CN112901466A - Peristaltic pump - Google Patents

Abstract

The invention provides a peristaltic pump which comprises a rotating frame, a motor, rollers, a shell, a connecting piece and a conveying pipe, wherein the motor is connected with the rotating frame to drive the rotating frame to rotate, the rollers are arranged on the periphery of the rotating frame in a rotating mode, the rotating axis of the rollers is parallel to the rotating axis of the rotating frame, the shell wraps the outside of the rotating frame and is connected with the motor, the connecting piece is movably arranged on the inner wall of the shell, the conveying pipe is arranged on the periphery of the rotating frame in a surrounding mode and is arranged between the roller surface of the rollers and the connecting piece in an extruding mode, the rotating frame rotates to enable the rollers to be extruded along the conveying pipe in a rolling mode, and then liquid in the conveying. According to the peristaltic pump, the connecting piece is movably arranged on the inner wall of the shell, and the connecting piece has a certain moving space, so that the conveying pipe can be easily arranged between the wheel surface of the roller and the connecting piece, and the peristaltic pump is convenient to disassemble and assemble.

Description

Peristaltic pump

Technical Field

The invention relates to the field of peristaltic pumps, in particular to a peristaltic pump convenient to disassemble and assemble.

Background

The pump tube of the peristaltic pump is pressed and displaced by the roller wheel in the working process, along with the displacement of the pressing wheel, the pump tube which is not pressed by the roller wheel can naturally rebound, the process is a peristaltic process, the peristaltic process can push out substances in the pump tube, and the elastic conveying hose is alternately extruded and released to pump fluid in the conveying hose. Wherein, in prior art, owing to need with the inseparable installation of conveyer pipe to between the inner wall of running roller and casing, lead to the dismouting of conveyer pipe all comparatively difficult.

It is therefore desirable to provide a peristaltic pump that solves the above mentioned problems.

Disclosure of Invention

The invention provides a peristaltic pump, which is characterized in that a connecting piece is movably arranged on the inner wall of a shell, and the connecting piece has a certain moving space, so that a conveying pipe can be more easily arranged between a wheel surface of a roller and the connecting piece, and the problem that the peristaltic pump in the prior art is difficult to assemble and disassemble is solved.

In order to solve the technical problems, the technical scheme of the invention is as follows: a peristaltic pump, comprising:

a rotating frame;

the motor is connected with the rotating frame to drive the rotating frame to rotate;

the roller is rotationally arranged on the periphery of the rotating frame, and the rotating axis of the roller is parallel to that of the rotating frame;

the shell is wrapped outside the rotating frame and connected with the motor;

the connecting piece is movably arranged on the inner wall of the shell;

the conveyer pipe encircles the setting and is in week side of rotating turret, and the extrusion setting is in the wheel face of running roller with between the link, the rotating turret rotates and makes the running roller is along establishing the conveyer pipe roll extrusion, and then the drive liquid in the conveyer pipe flows.

In the invention, the motor is provided with an extrusion block, and when the shell is connected with the motor to wrap the rotating frame, the extrusion block extrudes the joint piece to move, so that the joint piece is contacted with the conveying pipe.

Further, the link includes a plurality of arcs, arcs sliding connection be in on the inner wall of casing, the slip direction perpendicular to of arcs the axis of rotation of running roller is adjacent form the compartment between the arcs, work as the casing with when the motor is connected, the extrusion piece is located in the compartment and extrudees the arcs, makes a plurality ofly the arcs contact each other and form annular structure, and is a plurality of the arcs with conveyer pipe contact.

Further, the linking piece still includes solid fixed ring and traveller, the traveller is fixed to be set up gu fixed ring's inboard, the arc strip with traveller sliding connection, gu fixed ring joint is in on the inner wall of casing.

Furthermore, the connecting piece further comprises an elastic ring, the elastic ring is connected with the arc-shaped strips in series and comprises a fracture, jacks and terminals are arranged at two ends of the elastic ring respectively, the terminals are inserted into the jacks in a sliding mode, so that the elastic ring can contract or expand, the extrusion block is located in the interval area and extrudes the arc-shaped strips, and the elastic ring is located in a contraction state.

Furthermore, the elastic ring further comprises an elastic strip, the elastic strip is of a wavy structure and is located on the inner side of the elastic ring, and two ends of the elastic strip are fixedly connected with the elastic ring.

In addition, be provided with on the arc strip be used for with the joint spare that the elastic ring is connected, the joint spare includes snap ring body and guide body, the elastic ring joint is in two between the snap ring body, two the snap ring body is kept away from the one end of arc strip forms the opening at a distance of settlement distance, the opening is used for the elastic ring passes through, the guide body is connected the snap ring body is kept away from the one end of arc strip, be used for with the elastic ring is leading-in the opening.

In the invention, the peristaltic pump further comprises a positioning ring which is of a U-shaped structure, two ends of the conveying pipe are respectively connected with one positioning ring, a connecting port is arranged on the shell, one end of the connecting port, which is close to the motor, is communicated, and a positioning groove used for being connected with the positioning ring is arranged on the inner wall of the connecting port;

the motor is provided with a connecting hole, and two ends of the positioning ring are connected with the connecting hole.

Wherein, a peristaltic pump still includes transmission case, driving gear and driven gear, transmission case with motor fixed connection, be provided with gear portion on transmission case's the inner wall, the driving gear with driven gear sets up in the transmission case, be provided with the spliced pole on the rotating turret, the driving gear with the output shaft of motor, driven gear with the spliced pole rotates to be connected, driven gear transmission is connected gear portion with between the driving gear, and a plurality of driven gear distributes in week side of driving gear.

Furthermore, the connecting hole and the extrusion block are both arranged on the transmission case, a first elastic plate, a second elastic plate and a sliding block are respectively arranged on two circumferential sides of the transmission case, a first clamping block is arranged at one end of the first elastic plate, second clamping blocks used for being clamped with the first clamping blocks are respectively arranged on two circumferential sides of the transmission case, the first elastic plate comprises an initial position and a compression position on an elastic moving track, the first clamping block is clamped with the second clamping block when the first elastic plate is located at the initial position, and the first clamping block and the second clamping block are kept away when the first elastic plate is located at the compression position;

the slider slides and sets up all sides of casing, and is located the casing with between the first bullet board, be used for blockking first bullet board motion extremely compression position is provided with on first bullet board and keeps away a hole, the second bullet board sets up keep away downthehole, the second bullet board protrusion in first bullet board, the second bullet board is used for the extrusion the slider slides, makes the slider with first bullet board dislocation, and then makes first bullet board can move extremely compression position.

And before the second elastic plate moves to be flush with the first elastic plate, the slide block and the first elastic plate form a clearance.

Compared with the prior art, the invention has the beneficial effects that: according to the peristaltic pump, the connecting piece is movably arranged on the inner wall of the shell, and the connecting piece has a certain moving space, so that the conveying pipe can be easily arranged between the wheel surface of the roller and the connecting piece, and the peristaltic pump is convenient to disassemble and assemble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is a schematic structural view of a preferred embodiment of a peristaltic pump of the present invention.

Fig. 2 is a schematic diagram of an explosive structure of a peristaltic pump of the present invention.

FIG. 3 is a schematic view of the internal structure of the housing and transmission housing of the present invention.

Fig. 4 is an enlarged view of a portion a of fig. 2.

Fig. 5 is a schematic structural view of an engaging member of a peristaltic pump according to the present invention.

Fig. 6 is another view structure diagram of the engagement piece of the peristaltic pump of the present invention.

Fig. 7 is a schematic structural view of an elastic ring of a peristaltic pump according to the present invention.

FIG. 8 is a schematic structural view of the connection between the elastic ring and the clip member of the peristaltic pump of the present invention.

Fig. 9 is a schematic view of the matching structure of the first elastic plate, the second elastic plate and the sliding block of the peristaltic pump of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.

The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a detachable connection or a connection in a unitary structure; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In prior art, owing to need be with the inseparable installation of conveyer pipe to between the inner wall of running roller and casing, lead to the dismouting of conveyer pipe all comparatively difficult.

The following is a preferred embodiment of the peristaltic pump according to the present invention that solves the above technical problem.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic diagram showing a preferred embodiment of a peristaltic pump of the present invention, fig. 2 is a schematic diagram showing an exploded structure of the peristaltic pump of the present invention, and fig. 3 is a schematic diagram showing an internal structure of a housing and a transmission case of the present invention.

In the drawings, elements having similar structures are denoted by the same reference numerals.

The invention provides a peristaltic pump which comprises a rotatingframe 17, amotor 11, aroller 18, ashell 12, a connectingpiece 21 and aconveying pipe 13.

Wherein themotor 11 is connected with the rotatingframe 17 to drive the rotating frame to rotate.

Theroller 18 is rotatably arranged on the periphery of the rotatingframe 17, and the rotating axis of theroller 18 is parallel to the rotating axis of the rotatingframe 17.

Thehousing 12 is wrapped around the outside of theturret 17, and in this embodiment thehousing 12 is connected to themotor 11 through atransmission housing 14.

The connectingpiece 21 is movably arranged on the inner wall of theshell 12, the conveyingpipe 13 is arranged on the periphery of the rotatingframe 17 in a surrounding mode, the extrusion is arranged between the wheel surface of theroller 18 and the connectingpiece 21, the rotatingframe 17 rotates to enable theroller 18 to be extruded in a rolling mode along the conveyingpipe 13, and then the liquid in the conveyingpipe 13 is driven to flow.

In the invention, themotor 11 is provided with theextrusion block 141, wherein in the embodiment, the gearbox is connected between the rotatingframe 17 and themotor 11, so theextrusion block 141 is arranged on thegearbox shell 14, when theshell 12 is connected with themotor 11 to wrap the rotatingframe 17, theextrusion block 141 extrudes the connectingpiece 21 to move, so that the connectingpiece 21 is contacted with the conveyingpipe 13, the connectingpiece 21 has a certain moving space, so that the conveyingpipe 13 can be more easily arranged between the wheel surface of theroller 18 and the connectingpiece 21, and the disassembly and the assembly are more convenient.

Referring to fig. 4, 5 and 6, the connectingmember 21 includes a plurality of arc-shaped bars 212, the arc-shaped bars 212 are slidably connected to the inner wall of thehousing 12, the sliding direction of the arc-shaped bars 212 is perpendicular to the rotation axis of theroller 18, aspacing area 218 is formed between adjacent arc-shaped bars 212, when thehousing 12 is connected to themotor 11, thepressing block 141 is located in thespacing area 218 and presses the arc-shaped bars 212, so that the arc-shaped bars 212 contact with each other to form a ring structure, and the arc-shaped bars 212 can better press theconveying pipe 13.

Referring to fig. 4, the two sides of the upper end of theextrusion block 141 in this embodiment are inclined, and the size of the upper end is smaller than that of the lower end, so that the upper end of theextrusion block 141 can better enter thespace 218 between the arc-shaped bars 212.

Specifically, the linkingmember 21 further includes afixing ring 211 and asliding column 217, thesliding column 217 is fixedly disposed on the inner side of thefixing ring 211, the arc-shaped bar 212 is slidably connected with thesliding column 217, and thefixing ring 211 is clamped on the inner wall of thehousing 12. Wherein can adopt current multiple joint mode between solidfixed ring 211 and thecasing 12, be provided withjoint groove 216 on solidfixed ring 211's the lateral surface like this embodiment, be provided with the joint sand grip corresponding withjoint groove 216 on the corresponding inner wall ofcasing 12, joint sand grip andjoint groove 216 extrusion joint for link uppiece 21 andcasing 12 can form fixed connection.

When the arc-shaped strip 212 is contacted with theconveying pipe 13, thesliding column 217 is retracted inside the arc-shaped strip 212, and thesliding column 217 is not contacted with theconveying pipe 13.

Therefore, before thejoint piece 21 and theshell 12 are completely assembled in place, when the arc-shaped strip 212 is matched with the conveyingpipe 13, the arc-shaped strip 212 can slide along the sliding column to be far away from the conveyingpipe 13, the arc-shaped strip 212 and the conveyingpipe 13 are loose and easy to assemble, when thejoint piece 21 and theshell 12 are gradually connected in place, theextrusion block 141 can extrude the arc-shaped strip 212, the arc-shaped strip 212 slides along thesliding column 217 to the direction close to the conveyingpipe 13, and the arc-shaped strip 212 extrudes theconveying pipe 13, so that the purpose of quick assembly is achieved.

Referring to fig. 5 and 7, the connectingmember 21 further includes anelastic ring 213, theelastic ring 213 is connected in series with a plurality of arc-shaped strips 212, theelastic ring 213 includes a break, two ends of theelastic ring 213 are respectively provided with aplug 2132 and aterminal 2131, theterminal 2131 is inserted into theplug 2132 in a sliding manner, so that theelastic ring 213 can contract or expand, when theextrusion block 141 is located in thespacer 218 and extrudes the arc-shaped strips 212, theelastic ring 213 is located in a contracted state, so that the plurality of arc-shaped strips 212 are kept close to thehousing 12 in an initial state, and the subsequent matching assembly of the connectingmember 21 and theconveying pipe 13 is facilitated.

Preferably, theelastic ring 213 further includes anelastic strip 214, theelastic strip 214 is a wavy structure, theelastic strip 214 is located inside theelastic ring 213, and two ends of theelastic strip 214 are fixedly connected with theelastic ring 213, so as to enhance the elastic performance of theelastic ring 213 and improve the service life.

In addition, referring to fig. 8, the arc-shapedbar 212 is provided with a clampingmember 215 for connecting with theelastic ring 213, the clampingmember 215 includes aclamping ring body 2151 and aguide body 2152, theelastic ring 213 is clamped between the twoclamping ring bodies 2151, preferably, theelastic ring 213 and theclamping ring body 2151 form a gap clamping, an opening is formed at a distance from one end of the twoclamping ring bodies 2151 away from the arc-shapedbar 212, the opening is used for theelastic ring 213 to pass through, and theguide body 2152 is connected to one end of theclamping ring body 2151 away from the arc-shapedbar 212 and is used for guiding theelastic ring 213 into the opening, so that the connection between theelastic ring 213 and the plurality of arc-shapedbars 212.

Referring to fig. 1 and 2, in the present invention, the peristaltic pump further includes apositioning ring 19, thepositioning ring 19 is a U-shaped structure, two ends of the conveyingpipe 13 are respectively connected to onepositioning ring 19, a connection port 127 is disposed on thehousing 12, one end of the connection port 127 close to themotor 11 is through for thepositioning ring 19 to be installed into the connection port 127, and a positioning groove for connecting with thepositioning ring 19 is disposed on an inner wall of the connection port 127, so that thepositioning ring 19 can be positioned and connected in the connection port 127.

Themotor 11 is provided with a connectinghole 142, and two ends of thepositioning ring 19 are connected with the connectinghole 142, specifically, since the gearbox is connected between therotating frame 17 and themotor 11 in the embodiment, the connectinghole 142 in the embodiment is arranged on thegearbox shell 14, during installation, the conveyingpipe 13 can be surrounded on the periphery of theroller 18 arranged on therotating frame 17, and then the two ends of the conveyingpipe 13 are fixed by using thepositioning ring 19, so that the conveyingpipe 13 and therotating frame 17 form primary connection.

Referring to fig. 2, the peristaltic pump of the present embodiment further includes atransmission housing 14, adriving gear 161 and a drivengear 162, thetransmission housing 14 is fixedly connected to themotor 11, agear portion 143 is disposed on an inner wall of thetransmission housing 14, thedriving gear 161 and the drivengear 162 are disposed in thetransmission housing 14, a connecting column is disposed on therotating frame 17, thedriving gear 161 is connected to an output shaft of themotor 11, the drivengear 162 is rotatably connected to the connecting column, the drivengear 162 is connected between thegear portion 143 and thedriving gear 161 in a transmission manner, and the plurality of drivengears 162 are distributed on a peripheral side of thedriving gear 161.

In this embodiment, the plurality of drivengears 162 are connected to theturntable 163, and theturntable 163 is connected to therotating frame 17, so that the driving is smooth and stable, and the layout and connection of the drivengears 162 and therotating frame 17 are facilitated.

Referring to fig. 1 and 9, in the present embodiment, two circumferential sides of thehousing 12 are respectively provided with a firstelastic plate 121, a secondelastic plate 122 and aslider 123, one end of the firstelastic plate 121 is provided with afirst latch 1211, two circumferential sides of thetransmission case 14 are respectively provided with asecond latch 144 for being latched with thefirst latch 1211, the firstelastic plate 121 includes an initial position and a compression position on an elastic moving track, thefirst latch 1211 is latched with thesecond latch 144 when the firstelastic plate 121 is located at the initial position, and thefirst latch 1211 and thesecond latch 144 are away from each other when the firstelastic plate 121 is located at the compression position.

As shown in fig. 3, thefirst latch 1211 can be disengaged from thesecond latch 144 by pressing the upper end of the firstelastic plate 121 toward thehousing 12, but such engagement is prone to cause a mis-touch of the firstelastic plate 121, which causes thehousing 12 to separate from thetransmission case 14, thereby affecting the normal use of the peristaltic pump.

Therefore, in the present embodiment, theslider 123 is disposed on the peripheral side of thehousing 12, so that theslider 123 can be stopped inside the firstelastic plate 121, and the unlocking by mistake can be avoided.

Referring to fig. 3 and 9, in particular, abase block 124 is disposed on the periphery of thehousing 12, a transverse slidingslot 1241 and aradial sliding slot 1242 are disposed on thebase block 124, theslider 123 is slidably disposed in the transverse slidingslot 1241, and theslider 123 is disposed between thehousing 12 and the firstelastic plate 121 for blocking the firstelastic plate 121 from moving to the compressed position. The slidingblock 123 passes through the transverse slidinggroove 1241 to block the firstelastic plate 121, the slidingblock 123 can form a clearance with the firstelastic plate 121 when being retracted into the transverse slidinggroove 1241, an engaging block is slidably disposed on the slidingblock 123, and the slidingblock 123 is slidably connected with theradial sliding groove 1242 through the engaging block (as shown in fig. 9, the engaging block is located between the slidingblock 123 and the slidinggroove 1242, so that the engaging block is not labeled), so that when the slidingblock 123 is extruded by the secondelastic plate 122, the slidingblock 123 can move in a direction close to thehousing 12.

Wherein, be provided with onfirst diving board 121 and keep away the position hole,second diving board 122 sets up in keeping away the position hole, andsecond diving board 122 outwards protrusion infirst diving board 121, andsecond diving board 122 is used for extrudingslider 123 and slides for inslider 123 contracts tohorizontal spout 1241,slider 123 andfirst diving board 121 dislocation, and then makefirst diving board 121 can move to the compression position. The secondelastic plate 122 is provided with anoblique angle block 1221 for extruding the slidingblock 123, the slidingblock 123 is provided with anoblique angle groove 1231, theoblique angle block 1221 can simultaneously extrude the inner oblique planes of theoblique angle grooves 1231 on the slidingblocks 123 at two ends, so that the slidingblock 123 slides, aspring 125 is arranged between the slidingblock 123 and theshell 12, and thespring 125 is obliquely arranged and can simultaneously provide power for the slidingblock 123 to slide and reset along the transverse slidinggroove 1241 and theradial sliding groove 1242.

When thefirst latch 1211 is to be unlocked by pressing the firstelastic plate 121, the secondelastic plate 122 is pressed to press theslider 123 to retract into the transverse slidingslot 1241, and theslider 123 is misaligned with the firstelastic plate 121 before the secondelastic plate 122 moves to be flush with the firstelastic plate 121.

In this embodiment, afan 151 is connected to an end of themotor 11 away from theturret 17, and arotation speed sensor 152 is disposed at the end, and therotation speed sensor 152 senses the rotation of the blades of thefan 151, so that a chip connected to therotation speed sensor 152 can calculate the rotation speed of theturret 17, and thus the flow rate of thedelivery pipe 13.

The working principle of the invention is as follows: themotor 11 drives thedriving gear 161 to rotate, so as to drive the plurality of drivengears 162 to rotate along thegear portion 143, and drive therotating rack 17 to rotate through therotating disk 163, and then therotating rack 17 drives the plurality ofrollers 18 to rotate, and therollers 18 alternately extrude and release the elastic conveyingpipe 13 to pump the fluid in the conveyingpipe 13.

When the peristaltic pump is installed, the conveyingpipe 13 can firstly surround the periphery of theroller 18 arranged on therotating frame 17, and then the two ends of the conveyingpipe 13 are fixed by the positioning rings 19, so that the conveyingpipe 13 and therotating frame 17 form primary connection;

then, thejoint member 21 is clamped into thehousing 12, thehousing 12 is connected with thetransmission case 14, the plurality of arc-shapedstrips 212 are kept close to thehousing 12 under the action force of theelastic ring 213, so that a gap is formed between the arc-shapedstrips 212 and the conveyingpipe 13, and the matching assembly can be conveniently carried out, when thejoint member 21 and thehousing 12 are gradually connected in place, theextrusion block 141 can extrude the arc-shapedstrips 212, so that the arc-shapedstrips 212 slide along the slidingcolumns 217 towards the direction close to the conveyingpipe 13, and the arc-shapedstrips 212 extrude the conveyingpipe 13, so that the arc-shapedstrips 212 and therollers 18 can extrude the conveyingpipe 13 better to pump fluid.

The peristaltic pump of this preferred embodiment sets up the link piece through the activity on the inner wall of casing, and the link piece has certain activity space for the conveyer pipe can be easier set up to between the wheel face of running roller and the link piece, and the dismouting is more convenient.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (10)

Translated fromChinese

1.一种蠕动泵，其特征在于，包括：1. a peristaltic pump, is characterized in that, comprises:转动架；turret;电机，与所述转动架连接以驱动其转动；a motor, connected with the turret to drive it to rotate;辊轮，转动设置在所述转动架周侧，所述辊轮的转动轴线平行于所述转动架的转动轴线；a roller, which is rotatably arranged on the peripheral side of the turret, and the rotation axis of the roller is parallel to the rotation axis of the turret;壳体，包裹在所述转动架的外部，所述壳体与所述电机连接；a casing, wrapped around the outside of the turret, and the casing is connected to the motor;衔接件，活动设置在所述壳体的内壁上；The connecting piece is movably arranged on the inner wall of the casing;输送管，环绕设置在所述转动架的周侧，且挤压设置在所述辊轮的轮面和所述衔接件之间，所述转动架转动使得所述辊轮沿设所述输送管滚动挤压，进而驱动所述输送管内的液体流动。The conveying pipe is arranged around the circumference of the turret, and is squeezed and arranged between the wheel surface of the roller and the connecting piece. The rotation of the turret makes the roller along the conveying pipe. Roll and squeeze, and then drive the liquid flow in the delivery pipe.2.根据权利要求1所述的蠕动泵，其特征在于，在所述电机上设置有挤压块，当所述壳体与所述电机连接以包裹所述转动架时，所述挤压块挤压所述衔接件活动，使得所述衔接件与所述输送管接触。2 . The peristaltic pump according to claim 1 , wherein a pressing block is provided on the motor, and when the casing is connected to the motor to wrap the turret, the pressing block Squeeze the engaging piece to move so that the engaging piece is in contact with the delivery tube.3.根据权利要求2所述的蠕动泵，其特征在于，所述衔接件包括多个弧形条，所述弧形条滑动连接在所述壳体的内壁上，所述弧形条的滑动方向垂直于所述辊轮的转动轴线，相邻的所述弧形条之间形成间隔区，当所述壳体与所述电机连接时，所述挤压块位于所述间隔区内并挤压所述弧形条，使得多个所述弧形条互相接触形成环形结构，多个所述弧形条与所述输送管接触。3 . The peristaltic pump according to claim 2 , wherein the connecting piece comprises a plurality of arc-shaped strips, the arc-shaped strips are slidably connected to the inner wall of the housing, and the sliding of the arc-shaped strips The direction is perpendicular to the rotation axis of the roller, and a space is formed between the adjacent arc strips. When the casing is connected to the motor, the pressing block is located in the space and squeezes. The arc-shaped bars are pressed so that a plurality of the arc-shaped bars are in contact with each other to form an annular structure, and the plurality of the arc-shaped bars are in contact with the conveying pipe.4.根据权利要求3所述的蠕动泵，其特征在于，所述衔接件还包括固定环和滑柱，所述滑柱固定设置在所述固定环的内侧，所述弧形条与所述滑柱滑动连接，所述固定环卡接在所述壳体的内壁上。4 . The peristaltic pump according to claim 3 , wherein the connecting piece further comprises a fixing ring and a sliding column, the sliding column is fixedly arranged on the inner side of the fixing ring, and the arc-shaped strip is connected to the The sliding column is slidably connected, and the fixing ring is clamped on the inner wall of the housing.5.根据权利要求4所述的蠕动泵，其特征在于，所述衔接件还包括弹性环，所述弹性环串联多个所述弧形条，所述弹性环包括一断口，所述弹性环的两端分别设置有插孔和端子，所述端子滑动插接在所述插孔内，使得所述弹性环能收缩或扩张，所述挤压块位于所述间隔区内并挤压所述弧形条时，所述弹性环位于收缩状态。5 . The peristaltic pump according to claim 4 , wherein the connecting piece further comprises an elastic ring, the elastic ring is connected in series with a plurality of the arc-shaped strips, the elastic ring comprises a fracture, and the elastic ring The two ends of the ring are respectively provided with jacks and terminals, the terminals are slidably inserted into the jacks, so that the elastic ring can be contracted or expanded, and the pressing block is located in the spaced area and squeezes the When the strip is curved, the elastic ring is in a retracted state.6.根据权利要求5所述的蠕动泵，其特征在于，所述弹性环还包括弹性条，所述弹性条为波浪状结构，所述弹性条位于所述弹性环的内侧，所述弹性条的两端与所述弹性环固定连接。6 . The peristaltic pump according to claim 5 , wherein the elastic ring further comprises an elastic strip, the elastic strip is of a wave-like structure, the elastic strip is located inside the elastic ring, and the elastic strip Both ends of the elastic ring are fixedly connected.7.根据权利要求5所述的蠕动泵，其特征在于，在所述弧形条上设置有用于与所述弹性环连接的卡接件，所述卡接件包括卡环体和导向体，所述弹性环卡接在两个所述卡环体之间，两个所述卡环体远离所述弧形条的一端相距设定距离形成开口，所述开口用于所述弹性环通过，所述导向体连接在所述卡环体远离所述弧形条的一端，用于将所述弹性环导入所述开口。7 . The peristaltic pump according to claim 5 , characterized in that, a clamping member for connecting with the elastic ring is provided on the arc strip, and the clamping member comprises a clamping ring body and a guide body, 8 . The elastic ring is clamped between the two snap ring bodies, and one end of the two snap ring bodies away from the arc-shaped strip is separated by a set distance to form an opening, and the opening is used for the elastic ring to pass through, The guide body is connected to one end of the snap ring body away from the arc strip, and is used for guiding the elastic ring into the opening.8.根据权利要求1所述的蠕动泵，其特征在于，所述一种蠕动泵还包括定位环，所述定位环为U型结构，所述输送管的两端分别连接一个定位环，在所述壳体上设置有连接口，所述连接口靠近所述电机的一端贯通，所述连接口的内壁上设置有用于与所述定位环连接的定位槽；8. The peristaltic pump according to claim 1, characterized in that, the peristaltic pump further comprises a positioning ring, the positioning ring is a U-shaped structure, and the two ends of the conveying pipe are respectively connected with a positioning ring, The casing is provided with a connection port, one end of the connection port close to the motor is passed through, and the inner wall of the connection port is provided with a positioning groove for connecting with the positioning ring;所述电机上设置有连接孔，所述定位环的两端与所述连接孔连接。The motor is provided with a connecting hole, and both ends of the positioning ring are connected with the connecting hole.9.根据权利要求7所述的蠕动泵，其特征在于，所述一种蠕动泵还包括变速箱壳、主动齿轮和从动齿轮，所述变速箱壳与所述电机固定连接，所述变速箱壳的内壁上设置有齿轮部，所述主动齿轮和所述从动齿轮设置在所述变速箱壳内，所述转动架上设置有连接柱，所述主动齿轮与所述电机的输出轴连接，所述从动齿轮与所述连接柱转动连接，所述从动齿轮传动连接在所述齿轮部与所述主动齿轮之间，且多个所述从动齿轮分布在所述主动齿轮的周侧。9 . The peristaltic pump according to claim 7 , wherein the peristaltic pump further comprises a transmission case, a driving gear and a driven gear, the transmission case is fixedly connected with the motor, and the variable speed The inner wall of the casing is provided with a gear part, the driving gear and the driven gear are arranged in the gearbox casing, the turret is provided with a connecting column, the driving gear and the output shaft of the motor The driven gear is rotatably connected with the connecting column, the driven gear is drivingly connected between the gear part and the driving gear, and a plurality of the driven gears are distributed between the driving gear and the driving gear. peripheral side.10.根据权利要求9所述的蠕动泵，其特征在于，所述连接孔、所述挤压块均设置在所述变速箱壳上，所述壳体周向的两侧分别设置有第一弹板、第二弹板以及滑块，所述第一弹板的一端设置有第一卡块，所述变速箱壳的周向的两侧分别设置有用于与所述第一卡块卡接的第二卡块，所述第一弹板在弹性活动轨迹上包括初始位和压缩位，当所述第一弹板位于所述初始位时所述第一卡块与所述第二卡块卡接，当所述第一弹板位于所述压缩位时，所述第一卡块与所述第二卡块避位；10 . The peristaltic pump according to claim 9 , wherein the connecting hole and the pressing block are both arranged on the gearbox casing, and two sides in the circumferential direction of the casing are respectively provided with a first 10 . A spring plate, a second spring plate and a sliding block, one end of the first spring plate is provided with a first clamping block, and both sides of the transmission case in the circumferential direction are respectively provided with the first clamping block for clamping The second block, the first elastic plate includes an initial position and a compressed position on the elastic movement track, when the first elastic plate is in the initial position, the first block and the second block When the first elastic plate is located in the compressed position, the first clamping block and the second clamping block avoid positions;所述滑块滑动设置在所述壳体的周侧，且位于所述壳体和所述第一弹板之间，用于阻挡所述第一弹板运动至所述压缩位，在第一弹板上设置有避位孔，所述第二弹板设置在所述避位孔内，所述第二弹板凸出于所述第一弹板，所述第二弹板用于挤压所述滑块滑动，使得所述滑块与所述第一弹板错位，进而使得所述第一弹板能运动至所述压缩位。The sliding block is slidably arranged on the peripheral side of the casing, and is located between the casing and the first elastic plate, and is used for blocking the movement of the first elastic plate to the compression position. The elastic plate is provided with an escape hole, the second elastic plate is arranged in the escape hole, the second elastic plate protrudes from the first elastic plate, and the second elastic plate is used for pressing The sliding block slides so that the sliding block and the first elastic plate are dislocated, so that the first elastic plate can move to the compressed position.

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