CN202437016U - Connecting rod for dust collector - Google Patents

Abstract

The utility model relates to a connecting rod for a dust collector. The connecting rod comprises a tubular suction body (10) comprising a proximal end (11) connected with a flexible tube (3) connected with a suction unit (1), and a distal end where an air suction port (20) defined by a periphery (21) is formed and which is equipped with an assembling mechanism used for at least one dismountable suction accessory (6). The connecting rod further comprises a U-shaped handle (15). The U-shaped handle (5) comprises two branches (16, 17) connected together through a core part (18) and is connected with the tubular body (10) by the two branches (16, 17). The branches (16, 17) and the core part (18) each define an area for gripping the connecting rod (5), enabling the handle (15) to comprise three different gripping areas. The two branches (16, 17) are separated from and connected with each other to enable the connecting rod to be gripped simultaneously by three hands.

Description

The connecting rod that is used for dust catcher

Technical field

The utility model relates to the technical field that is used for walking to be positioned at through absorbing gas belt the dust catcher that near the air stream of dust and other refuse suction head cleans.The utility model relates more specifically to be used to make the technical field of the annex that suction head is connected with suction unit; This annex is connecting rod particularly for example; Connecting rod is guaranteed the connection between flexible pipe and rigid pipe, and flexible pipe is connected with suction unit, and rigid pipe carries suction head on the opposite of connecting rod.

Background technology

In above-mentioned field, be well known that; Accessory system as dust catcher; Use an assembly, this assembly comprises flexible pipe, and an end of flexible pipe is used for being connected with suction unit; Suction unit generally comprises electrically ventilating device and separating mechanism, and this separating mechanism is used between the refuse that air-breathing air and this air-breathing air comprise, separating.Accessory system comprises connecting rod in the other end of flexible pipe, and connecting rod guarantees that on the one hand the ventilation between flexible pipe and air-breathing annex (rigid pipe that for example has suction head) connects.Connecting rod forms user's hand on the other hand and uses grip zone, so that allow the user to operate air-breathing annex.The connecting rod of known dust catcher generally has arcuate shape; This arcuate shape allows to make air-breathing annex to move on the ground; But when air-breathing annex is long rigid pipe and hope uses it to arrive the eminence zone when (for example being used for air-breathing cobweb), this arcuate shape does not allow to have accurate motion.

Therefore, obviously need a kind of novel connecting rod that is used for dust catcher, the man-machine ergonomicity of this connecting rod allows the accurate motion in any position, particularly when the lengthening rigid pipe that is equipped with said connecting rod moves aloft.

The utility model content

In order to reach this purpose; The utility model relates to a kind of connecting rod that is used for dust catcher; Connecting rod comprises air-breathing tubular body, and air-breathing tubular body comprises close end and distal portion, and close end is connected with flexible pipe; Flexible pipe is connected with suction unit, and distal portion forms the air entry that is defined by periphery and is equipped with the assemble mechanism that is used at least one dismountable air-breathing annex.According to the utility model; Connecting rod also comprises the U-shaped handle; The U-shaped handle comprises that two branches connecting through core and the end through its two branches are connected with tubular body, and two branches and core limit the grip zone of connecting rod separately, make handle comprise three different grip zones; Two branches separate each other and are also connected, so that can be simultaneously with one hand grasping separately.

The air-breathing annex that uses this gripping handle to allow accurately to be operatively connected bar and more particularly allow its distal portion outfit of accurately operation.In fact, for by the rigid pipe cleaning ground that is equipped with the cleaning suction head, the branch of position handle backwards allows comfortable one hand to hold, and need not " bending " or folding handle, makes that the dangerous of pain significantly reduces under long-time situation about using.When needs passed through this suction head below furniture, the core of handle provided a kind of grip zone that moves up, and this has increased comfort.At last, when the end that needs move rigid pipe aloft, when for example being used for the cobweb in the air-breathing corner that is positioned at wall and ceiling, stop each branch of handle of enough different the holding in hand of ability.This both hands grip the motion of the end that allows to control fully rigid pipe, so as to arrive easily be positioned at eminence treat the dust suction district, and there is not the danger of untimely motion of the end of rigid pipe in this, the environment in dust suction district is treated in this untimely athletic meeting infringement.

According to an embodiment of the utility model, under getter action, keep being adjacent to cleaning the surface for fear of the distal portion of the connecting rod that uses as the suction nozzle of no complementary annex, the periphery of air entry is not positioned at a plane.Therefore, when air entry when plane surface is placed, the integral body of periphery can be against this plane surface, and always leaves one and be used to space that air is passed through.

Equally, implement modified example according to one of the utility model, distal portion possesses the substantial cylindrical shape with axis Δ, and the periphery of air entry is positioned on the cylindrical surface, this cylindrical axis Δ ' be orthogonal to the axis Δ.

According to an embodiment; In order to avoid damaging surface on the one hand by the air entry dust suction that is used as suction nozzle; And guarantee on the other hand to be tightly connected as much as possible with the air-breathing annex that is assemblied on the distal portion of connecting rod, the periphery of air entry comprises the flange that elastomeric material is processed, and flange is guaranteed the function of beam on the one hand; Guarantee the function of sealing gasket on the other hand, sealing gasket is used for and the detachable accessory cooperation that is assemblied on the distal portion.Therefore, the flange of processing than the softer elastomeric material of remainder of the main body of connecting rod avoids that the effect at pressure reduction takes place down to abrade or explosion under air entry and the situation of treating the dust suction surface collision.And flange is guaranteed and the sealing that can be assemblied in the detachable accessory on the distal portion, thereby restriction can consequent leakage and noise.

According to an embodiment of the utility model, connecting rod comprises brush, and brush is between retracted position and extended position, sliding on the tubular body, and at extended position, the hair of brush extends in the outside of air entry and around air entry.Use this slip brush to allow always to control to be suitable for the appendicle that dust suction is carried out on hidden corner or unmanageable surface (the for example hidden corner of armchair or surface hard to manage).In fact, according to the dust catcher of prior art, this suction nozzle brush generally is bulky detachable accessory, and being stored in of this detachable accessory carried out on the suction unit or on the accessory holder that the rigid pipe with suction head fuses, carried out.But, when this detachable accessory was on rigid pipe, the shortcoming that this annex has was to run into less collision to come off easily.For the storage on suction unit, this annex does not often in time come off from suction unit, and this makes that the storage in this position is inappropriate.According to prior art, therefore often make the user be independent of dust catcher and arrange suction nozzle brush annex, make the user can not this annex be kept on hand.

According to a modified example of this embodiment, the brush that slides comprises sleeve pipe, and sleeve pipe centers on the tubular body of connecting rod at least in part and comprises locking mechanism, and locking mechanism will be brushed and be locked in extended position at least.

According to this characteristic implementing modified example, locking mechanism comprises the elastically deformable portion of sleeve pipe, and elastically deformable portion comprises locking member, and locking member is used for the complementary locking member cooperation with tubular body.This locking-unlocking that the strain of the part through the brush that slides is carried out allows to realize at lower cost locking mechanism, is inlaid in the parts that slide and brush and need not to be provided with.

According to another embodiment of the connecting rod of the utility model, tubular body comprises:

The side air inlet, it is opened in the induction chamber, and induction chamber is configured in the branch of handle and has air-breathing opening; And

Air throttle, it slides between the closed position of side air inlet and enable possition.

Use allows to be adjusted in the air entry place easily or is being assemblied in the available air-breathing intensity in place, annex end on the connecting rod in addition at this side air inlet on the air-breathing connecting rod.Noise when in induction chamber, offering the side air inlet and allowing to be reduced in the side air inlet and open.

According to an enforcement modified example, in order to reduce noise to greatest extent, induction chamber accommodates gas permeable material, and gas permeable material is plugged between side air inlet and the air-breathing opening.

According to this another modified example of implementing modified example, air throttle and clip spare fuse, and clip spare centers on tubular body at least in part and comprises fixed mechanism, and fixed mechanism is fixed on air throttle the closed position of side air inlet at least.

According to a characteristic of this modified example, fixed mechanism comprises the elastically deformable portion of clip spare, and elastically deformable portion comprises retaining element, and retaining element is used for the complementary retaining element cooperation with tubular body.This locking-unlocking that the strain of the part through the slip joint valve is carried out allows to realize at lower cost locking mechanism, is inlaid in the laterostigmatal parts of slip joint and need not to be provided with.

According to the utility model, the tubular body of connecting rod has any suitable form.According to an embodiment, tubular body has straight shape.Use more easily when using this straight a kind of compact connecting rod of tubular body permission acquisition and the dust suction of this connecting rod below furniture being operated.And the straight form of tubular body makes the layout that is equipped with according to the air-breathing flexible pipe of the connecting rod of the utility model easier.

The utility model also relates to a kind of accessory system that is used for dust catcher, and accessory system comprises flexible pipe, and flexible pipe comprises the bindiny mechanism that is connected with suction unit and comprises the connecting rod according to the utility model at opposed end an end.

The utility model also relates to a kind of dust catcher, and this dust catcher comprises: suction unit, and according to the accessory system of the utility model, and air-breathing annex, this air-breathing annex is used for being assemblied in removably the distal portion of the connecting rod of accessory system.

Certainly, the different characteristic of the utility model, implement modified example and embodiment can they each other under compatibility or the nonexcludability situation according to the various combination couplet that is relative to each other.

Description of drawings

In addition, will understand the various further features of the utility model from the following explanation of carrying out with reference to accompanying drawing, these accompanying drawings illustrate the non-limiting embodiment according to the connecting rod that is used for dust catcher of the utility model.

Fig. 1 is the schematic perspective view of pull-alongs dust catcher, and this pull-alongs dust catcher comprises air-breathing accessory system, and this air-breathing accessory system uses the connecting rod according to the utility model.

Fig. 2 is the side view by the connecting rod of dust catcher use shown in Figure 1, and the brush that wherein slides is at retracted position.

Fig. 3 is the stereogram of connecting rod shown in Figure 2, and wherein, brush slides.

Fig. 4 is and the similar view of Fig. 2 that wherein, the brush that slides is at extended position.

Fig. 5 and Fig. 6 be adopt configuration shown in Figure 3 connecting rod dissect stereogram, be illustrated in the air throttle of closing the side air inlet of enable possition of closed position and Fig. 6 of Fig. 5.

The specific embodiment

As shown in Figure 1; Pull-alongs

dust catcher according to the utility model comprises suction unit 1; Suction unit 1 links to each other with accessory system 2; Accessory system 2 comprises flexible pipe 3, and flexible pipe 3 comprises the mechanism 4 that is connected with suction unit 1 an end.Bindiny mechanism 4 is suitable for detachably, so that allow suction unit 1 to separate with accessory system 2.Flexible pipe 3 comprises connecting rod 5 at itself and bindiny mechanism 4 relative places, end; Connecting rod 5 is used for taking in air-breathing annex with removably; For example telescopicrigid pipe 6,rigid pipe 6 can be taken in not shown dismountable suction head at itself and connecting rod 5 relative 7 places, end.The embodiment of suction unit 1, bindiny mechanism 4, flexible pipe 3 and telescopicrigid pipe 6 and not shown suction head is that those skilled in the art are well-known; Need not the more description in the scope of the utility model, the utility model relates more specifically to the embodiment of connecting rod 5 more.

As shown in Figures 2 and 3, comprisetubular body 10 according to the connecting rod that is used for dust catcher 5 of the utility model,tubular body 10 is used to guarantee that flexible pipe 3 is communicated with the ventilation of air-breathing annex 6.Therefore, air-breathingtubular body 10 comprises the close end 11 that is connected with flexible pipe 3.This connection can be adopted and well known to a person skilled in the art any way enforcement, and particularly implements with the counterrotating mode that allows flexible pipe 3 and connecting rod 5.Air-breathingtubular body 10 is comprising assemble mechanism with close end 11 relativedistal portion 12 places, this at least one dismountable air-breathing annex of assemble mechanism assembling, for example telescopic rigid pipe 6.These assemble mechanisms can be made up ofdistal portion 12 with example shown in any suitable method enforcement and the basis, anddistal portion 12 has a kind of rotational circle cylindricality shape, and dismountable air-breathing annex 6 is bonded on the distal portion 12.Assemble mechanism also comprisesgroove 13,groove 13 be configured in thetubular body 10 and neardistal portion 12 and the locking that is used to take in dismountable air-breathing annex 6 refer to.

According to shown in example,tubular body 10 comprises the straight wire shaped of extending along the axis Δ.

In order to allow with grasped easily and effectively, connecting rod 5 compriseshandle 15,handle 15 has roughly the U-shaped shape and has twobranches 16 and 17, and these twobranches 16 are connected throughcore 18 with 17.Back branch 16 is connected withtubular body 10 near close end 11 withcore 18 relative ends through it; And another branch promptly beforebranch 17 through the relative end of itself andcore 18, be connected withtubular body 10 from a distance with close end 11 with thedistal portion 12 of tubular body 10.Back branch 16,core 18 and precedingbranch 17limit window 19 with air-breathingtubular body 10, and the size ofwindow 19 is enough to make at least four fingers of a hand of adult to pass through.Therefore, can grasping afterbranch 16,core 18 or precedingbranch 17,back branch 16,core 18, precedingbranch 17 each self-forming grip zone makehandle 15 comprise three different grip zones.Being noted that can also be at thepart 200 places grasping connecting rod 5 betweenbranch 16 andbranch 17 oftubular body 10, and 200 of this parts limit the 4th grip zone.According to shown in example,tubular body 10 roughly is arranged in the same plane withhandle 15, perhaps or rather, middle part fiber of handle 15 (fibre moyenne) and longitudinal axis Δ coplane.

In addition,handle 15 is to allow confirming perhaps assembling of size with the mode of branch after the grasped 16 and precedingbranch 17 simultaneously with window 19.Therefore, be used to right-handed user can use after its righthand grasping branch 16 and use its left hand grasping simultaneously beforebranch 17, be used for guiding exactly the end 7 oftelescopic tube 6, come air-breathing cobweb for example to arrive the eminence zone.This double-grip to handle 15 guarantees the accurate motion of end 7, reduces the untimely bump danger on surface around or the object.

Connecting rod 5 can also be used under the situation that does not have dismountable air-breathingannex 6 treating the dust suction surface byair entry 20 direct cleanings thatair entry 20 is formed by thedistal portion 12 of air-breathing tubular body 10.Therefore,distal portion 12 forms suction nozzle, and suction nozzle allows easily to lead to hidden corner.Under differential pressure action, keep being adjacent to smooth crust for fear ofair entry 20; Theperiphery 21 ofair entry 20 can be shaped as and is not positioned at a plane; And according to shown in example; Be configured as and be positioned at a cylindrical surface, this cylindrical axis Δ ' perpendicular to or be orthogonal to the longitudinal axis Δ of tubular body 10.Therefore, whenair entry 20 when flat surfaces is placed,periphery 21 be not whole periphery against this surface, make to leave to be used to space that air is passed through.

For thedistal portion 12 of using connecting rod 5 as suction nozzle, it is also conceivable that to makeperiphery 21 be equipped with the periphery flange 23 that elastomeric materials are processed, 20 of effect and the restriction air entries that 23 of periphery flanges play beam against or the damage on the surface of friction dangerous.This flange 23 can also be guaranteed the remarkable sealed engagement with dismountable air-breathing annex 6.

In order to allow to use thedistal portion 12 of connecting rod 5 to clean pressure release surface (the for example tectal weaving surface of seat) or unsubstantial surface; Connecting rod 5 can also comprisebrush 25, andbrush 25 is sliding between retracted position R shown in Figure 2 and extended position E shown in Figure 4 on the tubular body 10.At this extended position E, thehair 26 ofbrush 25 is roughly parallel to the extension of longitudinal axis Δ in the outside ofair entry 20 and around air entry 20.26 in hair can be used to brush surface to be cleaned.It should be noted that at retracted position R, thedistal portion 12 oftubular body 10 is exposed to allow the air-breathingannex 6 of assembling fully.

Brush 25 comprises sleeve pipe 27, and sleeve pipe 27 is at least in part around tubular body 10.Sleeve pipe 27 compriseslocking mechanism 28,locking mechanism 28 with brush be locked in extended position E and according to shown in example also be locked in retracted position R.According to shown in example,locking mechanism 28 is by elastically deformable portion, for example arm forms, this arm is arranged in the sleeve pipe 27, but so that twotongue pieces 29 through elasticity of torsion distortion are connected with this sleeve pipe 27.Therefore, allow to makeopposed end 31 away fromtubular body 10 to end 30 applied pressures ofarm 28, so that unclamp the not shown pin that is carried byend 31 fromgroove 32,groove 32 is configured in the tubular body 10.10 of this tubular bodies comprisegroove 32 that is used for retracted position R and thegroove 33 that is used for extended position E.Onlygroove 32 is shown in Fig. 4, andgroove 32 is used forbrush 25 is locked in retracted position R.According to shown in example;Tubular body 10 also compriseslongitudinal fluting 34;Longitudinal fluting 34 is configured betweengroove 32 and thegroove 33 and to the pin that is carried by theend 31 ofarm 28 free space is provided; So that thebrush 25 that slides is moved between extended position E and retracted position R easily, and need not keep pressure to theend 30 ofarm 28.

According to shown in example,tubular body 10 also comprises more specifically like Fig. 5 andside air inlet 40 shown in Figure 6.Thisside air inlet 40 is opened in theinduction chamber 41, andinduction chamber 41 is configured in the precedingbranch 17 of handle 15.41 of induction chambers have air-breathing opening 41 ', and air-breathing opening 41 ' is configured in the branch 17.When needs reduced the air-breathing intensity atair entry 20 places,side air inlet 40 allowed to form additional air inlet.In order to regulate the aperture ofside air inlet 40, useslip joint valve 42,slip joint valve 42 is movable between the enable possition O of the closed position F ofside air inlet 40 shown in Figure 5 andside air inlet 40 shown in Figure 6.In this case,slip joint valve 42 fuses with clip spare 43, andclip spare 43 is at least in part around tubular body 10.Clip spare 43 also comprisesfixed mechanism 44, andfixed mechanism 44 is fixed on closed position F with slip joint valve 42.Thesefixed mechanisms 44 can adopt withlocking mechanism 28 identical modes and implement; And the elastically deformable portion that for example comprises clip spare 43; Elastically deformable portion comprises not shown retaining element, and retaining element is used for the not shown complementary retaining element cooperation withtubular body 10.

In order to limit suction noise, can ininduction chamber 41, gas permeable material be set, for example open honeycomb fashion foam block 45, this gas permeable material is plugged betweenside air inlet 40 and the air-breathing opening 41 '.

It should be noted, useslip brush 25 and/or 42 pairs of enforcements of slip joint valve optional according to the connecting rod 5 of the utility model.

Certainly, can implement various changes to this connecting rod that is used for dust catcher within the scope of the appended claims according to the utility model.

Claims (14)

1. connecting rod that is used for dust catcher; Said connecting rod comprises air-breathing tubular body (10); Said air-breathing tubular body (10) comprises close end (11) and distal portion (12); Said close end (11) is connected with flexible pipe (3); Said flexible pipe (3) is connected with suction unit (1), and said distal portion (12) forms the air entry (20) that is defined by periphery (21) and is equipped with the assemble mechanism that is used at least one dismountable air-breathing annex (6), it is characterized in that; Said connecting rod also comprises U-shaped handle (15); Said U-shaped handle (15) comprises that two branches (16,17) that connect through core (18) and the end of passing through its two branches (16,17) are connected with said tubular body (10), and said two branches (16,17) and said core (18) limit the grip zone of said connecting rod (5) separately, make said handle (15) comprise three different grip zones; Said two branches (16,17) separate each other and are connected, so that can be simultaneously with one hand grasping separately.

2. connecting rod according to claim 1 is characterized in that, the said periphery (21) of said air entry (20) is not positioned at a plane.

3. connecting rod according to claim 1 and 2; It is characterized in that; Said distal portion (12) possesses the substantial cylindrical shape with axis Δ; And the said periphery (21) of said air entry (20) is positioned on the cylindrical surface, this cylindrical axis Δ ' be orthogonal to said axis Δ.

4. connecting rod according to claim 1 and 2; It is characterized in that; The said periphery (21) of said air entry (20) comprises the flange (23) that elastomeric material is processed; Said flange (23) is guaranteed the function of beam on the one hand, guarantees the function of sealing gasket on the other hand, and said sealing gasket is used for and detachable accessory (6) cooperation that is assemblied on the said distal portion (12).

5. connecting rod according to claim 1 and 2; It is characterized in that; Said connecting rod comprises brush (25); Said brush (25) is gone up at said tubular body (10) and between retracted position R and extended position E, is slided, and at said extended position E, the hair (26) of said brush (25) extends in the outside of said air entry (20) and around said air entry (20).

6. connecting rod according to claim 5; It is characterized in that; The said brush (25) that slides comprises sleeve pipe (27); Said sleeve pipe (27) centers on the said tubular body (10) of said connecting rod at least in part and comprises locking mechanism (28), and said locking mechanism (28) is locked in said extended position E at least with said brush.

7. connecting rod according to claim 6; It is characterized in that; Said locking mechanism (28) comprises the elastically deformable portion (29) of said sleeve pipe (27); Said elastically deformable portion (29) comprises locking member, and said locking member is used for the complementary locking member cooperation with said tubular body (10).

8. connecting rod according to claim 1 and 2 is characterized in that, said tubular body (10) comprising:

Side air inlet (40), it is opened in the induction chamber (41), and said induction chamber (41) is configured in the branch of said handle and has air-breathing opening (41 '); And

Air throttle (42), it slides between the closed position F of said side air inlet (40) and enable possition O.

9. connecting rod according to claim 8 is characterized in that, said induction chamber (41) accommodates gas permeable material (45), and said gas permeable material (45) is plugged between said side air inlet (40) and the said air-breathing opening (41 ').

10. connecting rod according to claim 9; It is characterized in that; Said air throttle (42) fuses with clip spare (43); Said clip spare (43) centers on said tubular body (10) at least in part and comprises fixed mechanism (44), and said fixed mechanism (44) is fixed on said air throttle the closed position F of said side air inlet (40) at least.

11. connecting rod according to claim 10; It is characterized in that; Said fixed mechanism (44) comprises the elastically deformable portion of said clip spare (43), and this elastically deformable portion comprises retaining element, and this retaining element is used for the complementary retaining element cooperation with said tubular body (10).

12. connecting rod according to claim 1 and 2 is characterized in that, said tubular body (10) has straight shape.

13. accessory system (2) that is used for dust catcher; Said accessory system (2) comprises flexible pipe (3), and said flexible pipe (3) comprises the bindiny mechanism (4) that is connected with suction unit (1) and comprises according to each described connecting rod in the claim 1 to 12 at opposed end an end.

14. dust catcher; Said dust catcher comprises: suction unit (1); Accessory system according to claim 13 (2), and air-breathing annex (6), said air-breathing annex (6) are used for being assemblied in removably the distal portion (12) of the connecting rod (5) of said accessory system.

Images