CN111619236B - Printer ink cartridge - Google Patents

Abstract

The invention relates to the technical field of printers, in particular to an ink box of a printer, which comprises a box body, a fixed plate, a piston rod, a first spring and a movable plate, wherein the fixed plate is arranged on the box body; the inner side surface of the box body is fixedly connected with two fixed plates, one of the fixed plates is connected with a piston in a sliding manner with the inner side of the upper plate of the box body, the other fixed plate is also connected with a piston in a sliding manner with the inner side of the lower plate of the box body, the middle ends of the two pistons are fixedly connected with piston rods, each piston rod penetrates through the side wall of the box body and is fixedly connected to a movable plate, the piston rods are connected with the side wall of the box body in a sliding manner, two springs are arranged between the movable plate and the side wall of the box body, and each spring is sleeved on the piston; the movable plate is repeatedly pressed to drive the piston to move, so that the volume of the interior of the box body is changed, and the effect of conveniently dredging the ink outlet of the box body is achieved.

Description

Printer ink cartridge

Technical Field

The invention relates to the technical field of printers, in particular to an ink box of a printer.

Background

With the development of commodity economy, there is an increasing demand for printers, which are one of the output devices of computers for printing computer processing results on relevant media. The indexes for measuring the quality of the printer comprise three items: print resolution, print speed and noise. There are many types of printers, and an impact printer and a non-impact printer are classified according to whether or not a printing element strikes paper. Dividing a full-font character printer and a dot matrix character printer according to a printing character structure; after the existing printer is stopped using for a long time, an ink outlet of the ink box can form an ink block, so that the ink outlet is blocked, a worker can only dredge the ink outlet again by using a tool, and the process is complicated and inconvenient.

Some printer ink cartridges have also appeared in the prior art, and a chinese patent with application number CN201911078046.4 discloses a printer ink cartridge, and it includes the ink horn body, the supporting cartridge lid that is provided with in ink horn body top, the cartridge lid passes through helicitic texture and this body coupling of ink horn, the inside bottom of ink horn body is middle low high pot-type structure all around.

This technical scheme can improve the closure of printer ink cartridge, and it is convenient to add the china ink, is difficult for producing the appearance of the scattered black condition, and simultaneously, the cost of manufacture is lower, occupation space is few, economy is durable, but this technical scheme still can not solve the printer ink cartridge and need not for a long time, and the phenomenon that the play china ink mouth of its ink horn can block up the death causes the limitation of this scheme.

In view of the above, in order to overcome the above technical problems, the present inventors have designed and developed an ink cartridge for a printer, which employs a special ink cartridge device to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the printer ink box provided by the invention changes the volume inside the box body by repeatedly pressing the movable plate to drive the piston to move, so that the effect of conveniently dredging the ink outlet of the box body is achieved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an ink box of a printer, which comprises a box body, a fixed plate, a piston rod, a first spring and a movable plate, wherein the fixed plate is fixed on the box body; the inner side surface of the box body is fixedly connected with two fixed plates, one of the fixed plates is connected with a piston in a sliding manner with the inner side of the upper plate of the box body, the other fixed plate is also connected with a piston in a sliding manner with the inner side of the lower plate of the box body, the middle ends of the two pistons are fixedly connected with piston rods, each piston rod penetrates through the side wall of the box body and is fixedly connected to a movable plate, the piston rods are connected with the side wall of the box body in a sliding manner, two springs are arranged between the movable plate and the side wall of the box body, and each spring is sleeved on the piston; when the printer works, after the printer is stopped for a long time and then is started again, ink on the ink outlet of the box body can be dried into ink blocks to block the ink outlet, and a worker can only dredge the ink outlet again by using a tool, so that the process is complicated and inconvenient; therefore, the working personnel only need to take out the ink box of the printer, press the movable plate by hand, drive the piston rod to slide along the side wall of the box body through the movable plate, at the moment, the piston rod drives the piston to slide along the fixed plate and the inner wall of the box body, so that the internal volume of the box body is reduced, ink in the ink box is extruded by extrusion to extrude ink blocks on the ink outlet, the first spring slides the movable plate along the side wall of the box body through elasticity, so that the internal volume of the box body is increased, and at the moment, the ink blocks at the ink outlet are brought into the box body under the action of atmospheric pressure; the movable plate is repeatedly pressed to drive the piston to move, so that the volume of the interior of the box body is changed, and the effect of conveniently dredging the ink outlet of the box body is achieved.

Preferably, the cross section of each of the two pistons is U-shaped; when the ink box works, after the piston slides along the fixed plate and the inner wall of the box body for a long time, the sliding part of the piston is seriously abraded, so that the piston fails to work, and the dredging of an ink outlet of the box body is influenced; therefore, after the worker presses the movable plate for a long time to drive the piston to move, the contact area between the piston and the inner walls of the fixed plate and the box body is increased due to the fact that the cross section of the piston is U-shaped, and therefore the sealing performance between the piston and the inner walls of the fixed plate and the box body is increased; according to the invention, the section of the piston is designed into a U shape, so that the sealing property between the piston and the inner walls of the fixed plate and the box body is improved.

Preferably, two ends of each piston are fixedly connected with a guide rod, one end of each guide rod sequentially penetrates through the side wall of the box body and the movable plate to be fixedly connected with a limiting block, each guide rod is in sliding connection with the side wall of the box body, and each guide rod is in sliding connection with the movable plate; when the box body is in work, due to the fact that the positions of the movable plates are different when workers press the movable plates, the directions of forces transmitted to the piston rod are different, the piston rod can be damaged after long-time pressing, after the movable plates are pressed each time, the first spring can pop the movable plates out through elastic force, force can be generated between the piston and the side wall of the box body at the moment, and the piston can be separated from the piston rod after long-time pressing; therefore, when a worker presses the movable plate, the force generated when the worker presses the movable plate is in one direction through the four guide rods, when the first spring ejects the movable plate through elasticity, the limiting block is used for limiting, and the force generated between the piston and the side wall of the box body is dispersed through the guide rods fixedly connected with the two ends of the piston, so that the piston is prevented from being separated from the piston rod after being pressed for a long time, and the use times of the piston are increased; the guide rods are arranged at the two ends of the piston and penetrate through the side wall of the box body and the limiting block fixed by the movable plate, so that the service lives of the piston rod and the piston are prolonged.

Preferably, a sponge is arranged inside the box body, and the sponge is mainly made of polyvinyl alcohol materials; when the ink box works, the volume inside the box body is limited due to the fact that the piston slides along the inner walls of the fixed plate and the box body, so that a worker needs to repeatedly press the movable plate to drive the piston to move to achieve the purpose of dredging the ink outlet, and the working efficiency of the worker is affected; therefore, in the invention, the worker presses the movable plate to drive the piston to move, the piston extrudes the sponge, so that ink in the sponge is extruded out quickly, the ink extruded out by the sponge impacts the ink outlet of the box body, and the aim of quickly dredging the ink outlet of the box body is fulfilled; according to the invention, the ink outlet is impacted by extruding the ink in the sponge by the piston, so that the efficiency of dredging the ink outlet by workers is improved.

Preferably, an ink injection port is formed in the side wall of the box body, a groove is formed in the upper end of the ink injection port, the groove is connected with an ink injection door in a sliding mode, first cylinders are arranged at two ends of the upper portion of the ink injection door, second cylinders are arranged at two ends of the bottom of the groove, the first cylinders correspond to the second cylinders in position one to one, and second springs are arranged between the first cylinders and the second cylinders; a rectangular opening is formed in the position, corresponding to the ink injection door, of the movable plate; when the ink box works, when workers inject ink, the ink injection hole needs to be opened firstly, and then ink is injected into the box body by the injector, so that the process is time-consuming and labor-consuming; therefore, when the ink box runs short of ink, the ink injection door only needs to be opened in a sliding mode along the groove, ink is directly poured into the box body, ink injection can be completed, after the ink injection is completed, the second spring slides the ink injection door along the groove by utilizing elasticity until the ink injection port is closed, and the first spring cannot cause position deviation under the condition of being pressed through the first cylinder and the second cylinder; the ink injection door is arranged on the ink injection port on the side wall of the box body, so that the ink injection efficiency of workers is improved.

Preferably, a first abutting block is arranged on the outer side wall of the ink injection door, and the cross section of the first abutting block is in the shape of a right-angled triangle; the rectangular opening is rotatably connected with a stop door, one end of the stop door is provided with an elastic buckle, the elastic buckle is used for fixing the stop door on a movable plate, the inner side of the stop door is provided with a second abutting block, the position of the second abutting block corresponds to that of the first abutting block, the cross section of the second abutting block is consistent with that of the first abutting block, and the inclined plane of the second abutting block is parallel to that of the first abutting block; when the ink injection box works, after workers inject ink, the second spring slides the ink injection door along the groove by using elasticity, the ink injection door cannot completely seal the ink injection port due to the limited elasticity of the spring, ink can fall to the outside of the box body along the gap, waste is caused, and the strength of the movable plate is reduced due to the fact that the rectangular port is formed in the position, corresponding to the ink injection door, of the movable plate; therefore, the shutter is rotatably connected to the rectangular opening, so that when a worker presses the movable plate, the contact area between the movable plate and the movable plate is increased, the strength of the movable plate is improved, when the worker loads the ink box into the printer, the movable plate is compressed and slides along the side wall of the box body through the piston rod, the movable plate is enabled to be close to the outer side wall of the base box, the inclined surface of the second resisting block on the shutter extrudes the inclined surface of the first resisting block on the ink injection door, and the ink injection door is locked; according to the invention, the inclined plane of the first abutting block on the ink injection door is extruded by the inclined plane of the second abutting block on the stop door to be matched with the elastic force of the second spring, so that the ink injection door seals the ink injection port, and the ink is prevented from spilling.

The invention has the following beneficial effects:

1. the movable plate is repeatedly pressed to drive the piston to move, so that the volume of the interior of the box body is changed, and the effect of conveniently dredging the ink outlet of the box body is achieved.

2. The guide rods are arranged at the two ends of the piston and penetrate through the side wall of the box body and the limiting block fixed by the movable plate, so that the service lives of the piston rod and the piston are prolonged.

3. The ink injection door is arranged on the ink injection port on the side wall of the box body, so that the ink injection efficiency of workers is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a state view of the present invention with the shutter open;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

in the figure: the ink filling device comprises a box body 1, afixed plate 2, a piston 3, a piston rod 4, a first spring 5, amovable plate 6, a guide rod 7, a limiting block 8, asponge 9, anink filling door 10, afirst cylinder 11, asecond spring 12, afirst abutting block 13, astop door 14, asecond abutting block 15 and asecond cylinder 16.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the ink cartridge for a printer according to the present invention comprises a cartridge body 1, afixing plate 2, a piston 3, a piston rod 4, a first spring 5 and amovable plate 6; the inner side surface of the box body 1 is fixedly connected with twofixed plates 2, one of thefixed plates 2 is connected with a piston 3 in a sliding manner with the inner side of the upper plate of the box body 1, the otherfixed plate 2 is also connected with the piston 3 in a sliding manner with the inner side of the lower plate of the box body 1, the middle ends of the two pistons 3 are fixedly connected with piston rods 4, each piston rod 4 penetrates through the side wall of the box body 1 and is fixedly connected onto amovable plate 6, the piston rods 4 are connected with the side wall of the box body 1 in a sliding manner, two springs 5 are arranged between themovable plate 6 and the side wall of the box body 1, and each spring 5 is sleeved on the piston rod; when the printer works, after the printer is stopped for a long time and then is started again, ink on the ink outlet of the box body 1 can be dried into ink blocks to block the ink outlet, and a worker can only dredge the ink outlet again by using a tool, so that the process is complicated and inconvenient; therefore, the working personnel only need to take out the ink box of the printer, press themovable plate 6 by hand, drive the piston rod 4 to slide along the side wall of the box body 1 through themovable plate 6, at the moment, the piston rod 4 drives the piston 3 to slide along thefixed plate 2 and the inner wall of the box body 1, so as to reduce the volume inside the box body 1, the ink in the ink box is extruded out of the ink blocks on the ink outlet under the extrusion, the first spring 5 slides themovable plate 6 along the side wall of the box body 1 through the elasticity, so as to increase the volume inside the box body 1, and at the moment, the ink blocks at the ink outlet bring the rest ink blocks into the box body 1 under the action; according to the invention, themovable plate 6 is repeatedly pressed to drive the piston 3 to move, so that the internal volume of the box body 1 is changed, and the effect of conveniently dredging the ink outlet of the box body 1 is achieved.

As an embodiment of the present invention, the cross-sectional shapes of both the pistons 3 are U-shaped; when the ink box works, after the piston 3 slides along thefixed plate 2 and the inner wall of the box body 1 for a long time, the sliding part is seriously abraded, so that the piston 3 fails to work, and the dredging of an ink outlet of the box body 1 is influenced; therefore, after a worker presses themovable plate 6 for a long time to drive the piston 3 to move, the contact area between the piston 3 and the inner walls of thefixed plate 2 and the box body 1 is increased due to the fact that the cross section of the piston 3 is U-shaped, and therefore the sealing performance between the piston 3 and the inner walls of thefixed plate 2 and the box body 1 is improved; the invention improves the sealing performance between the piston 3 and thefixed plate 2 and the inner wall of the box body 1 by setting the cross section of the piston 3 to be U-shaped.

As an embodiment of the invention, two ends of each piston 3 are fixedly connected with a guide rod 7, one end of each guide rod 7 sequentially penetrates through the side wall of the box body 1 and themovable plate 6 to be fixedly connected with a limit block 8, each guide rod 7 is in sliding connection with the side wall of the box body 1, and each guide rod 7 is also in sliding connection with themovable plate 6; when the box body 1 works, the directions of forces transmitted to the piston rod 4 are different due to different positions of themovable plate 6 pressed by a worker, the piston rod 4 can be damaged after long-time pressing, themovable plate 6 can be ejected out by the first spring 5 through elasticity after themovable plate 6 is pressed each time, force can be generated between the piston 3 and the side wall of the box body 1, and the piston 3 can be separated from the piston rod 4 after long-time pressing; therefore, when a worker presses themovable plate 6, the force generated when the worker presses themovable plate 6 is in one direction through the four guide rods 7, when the first spring 5 ejects themovable plate 6 through elasticity, the limiting block 8 is used for limiting, and the force generated between the piston 3 and the side wall of the box body 1 is dispersed through the guide rods 7 fixedly connected with the two ends of the piston 3, so that the piston 3 is prevented from being separated from the piston rod 4 after being pressed for a long time, and the use times of the piston 3 are increased; the guide rods 7 are arranged at the two ends of the piston 3 and penetrate through the side wall of the box body 1 and the limiting block 8 fixed by themovable plate 6, so that the service lives of the piston rod 4 and the piston 3 are prolonged.

As an embodiment of the present invention, asponge 9 is disposed inside the box body 1, and thesponge 9 is mainly made of polyvinyl alcohol material; when the ink box works, the piston 3 slides along thefixed plate 2 and the inner wall of the box body 1 to change the limited volume in the box body 1, so that a worker needs to repeatedly press themovable plate 6 to drive the piston 3 to move to achieve the purpose of dredging the ink outlet, and the working efficiency of the worker is influenced; therefore, in the invention, a worker presses themovable plate 6 to drive the piston 3 to move, the piston 3 extrudes thesponge 9, so that ink in thesponge 9 is extruded out quickly, the ink extruded out by thesponge 9 impacts the ink outlet of the box body 1, and the aim of quickly dredging the ink outlet of the box body 1 is fulfilled; according to the invention, the ink in thesponge 9 is extruded by the piston 3 to impact the ink outlet, so that the efficiency of dredging the ink outlet by workers is improved.

As an embodiment of the present invention, an ink injection port is arranged on a side wall of the box body 1, a groove is arranged at an upper end of the ink injection port, the groove is connected with anink injection door 10 in a sliding manner, afirst cylinder 11 is arranged at each of two ends of an upper part of theink injection door 10, asecond cylinder 16 is arranged at each of two ends of a bottom of the groove, eachfirst cylinder 11 corresponds to eachsecond cylinder 16 in position one to one, and asecond spring 12 is arranged between eachfirst cylinder 11 and eachsecond cylinder 16; a rectangular opening is formed in the position, corresponding to theink injection door 10, of themovable plate 6; when the ink box works, when workers inject ink, the ink injection hole needs to be opened firstly, and then ink is injected into the box body 1 by the injector, so that the process is time-consuming and labor-consuming; therefore, when the ink box runs in an ink shortage state, theink injection door 10 is opened along the groove in a sliding mode, ink is directly poured into the box body 1, the ink injection can be completed, after the ink injection is completed, thesecond spring 12 enables theink injection door 10 to slide along the groove by means of elasticity until an ink injection opening is closed, and the first spring 5 cannot cause position deviation under the condition that thefirst cylinder 11 and thesecond cylinder 16 are pressed; the invention improves the ink injection efficiency of workers through theink injection door 10 arranged on the ink injection port on the side wall of the box body 1.

As an embodiment of the invention, a first abuttingblock 13 is arranged on the outer side wall of theink injection door 10, and the cross section of thefirst abutting block 13 is in the shape of a right triangle; the rectangular opening is rotatably connected with astop door 14, one end of thestop door 14 is provided with an elastic buckle, the elastic buckle is used for fixing thestop door 14 on themovable plate 6, the inner side of thestop door 14 is provided with asecond abutting block 15, thesecond abutting block 15 corresponds to thefirst abutting block 13 in position, the cross section of thesecond abutting block 15 is consistent with that of thefirst abutting block 13, and the inclined plane of thesecond abutting block 15 is parallel to that of thefirst abutting block 13; when the ink injection box works, after a worker injects ink, thesecond spring 12 utilizes elasticity to slide theink injection door 10 along the groove, because the elasticity of the spring is limited, theink injection door 10 cannot completely seal the ink injection port, ink can fall to the outside of the box body 1 along the gap, waste is caused, and because the rectangular port is formed in the position, corresponding to theink injection door 10, of themovable plate 6, the strength of themovable plate 6 is reduced; therefore, theshutter 14 is rotatably connected to the rectangular opening, so that when a worker presses themovable plate 6, the contact area between themovable plate 6 and themovable plate 6 is increased, the strength of themovable plate 6 is improved, when the worker loads the ink cartridge into the printer, themovable plate 6 is compressed and slides along the side wall of the cartridge body 1 through the piston rod 4, so that themovable plate 6 is close to the outer side wall of the base cartridge, and the inclined surface of the first abuttingblock 13 on theink injection door 10 is extruded by the inclined surface of thesecond abutting block 15 on theshutter 14, so that theink injection door 10 is locked; according to the invention, the inclined plane of thefirst abutting block 13 on theink injection door 10 is extruded by the inclined plane of the second abuttingblock 15 on thestop door 14 to be matched with the elastic force of thesecond spring 12, so that theink injection door 10 seals the ink injection port, and ink is prevented from spilling.

When the ink box of the printer works, a worker takes out the ink box of the printer, presses themovable plate 6 with hands, and is connected with theshutter 14 through rotation at the rectangular opening, so that when the worker presses themovable plate 6, the contact area of themovable plate 6 is increased, the strength of themovable plate 6 is improved, the force generated when the worker presses themovable plate 6 is ensured to be in one direction through the four guide rods 7, themovable plate 6 drives the piston rod 4 to slide along the side wall of the box body 1, at the moment, the piston rod 4 drives the piston 3 to slide along the inner walls of thefixed plate 2 and the box body 1, and the contact area of the piston 3 with thefixed plate 2 and the inner wall of the box body 1 is increased due to the fact that the cross section of the piston 3 is in the U shape, and therefore the sealing performance between the; the piston 3 extrudes thesponge 9, so that the volume of thesponge 9 in the box body 1 is reduced, ink in thesponge 9 is extruded out quickly, the ink extruded out through thesponge 9 impacts an ink outlet of the box body 1, themovable plate 6 slides along the side wall of the box body 1 through the spring 5, so that the volume in the box body 1 is increased, when themovable plate 6 is ejected out through the spring 5, the limiting purpose is achieved through the limiting block 8, and the force generated between the piston 3 and the side wall of the box body 1 is dispersed through the guide rods 7 fixedly connected to the two ends of the piston 3, so that the piston 3 cannot be separated from the piston rod 4 after being pressed for a long time, and the use frequency of the piston 3 is improved; at the moment, the ink block at the ink outlet is under the action of atmospheric pressure to bring the residual ink block into the box body 1, so that the aim of rapidly dredging the ink outlet of the box body 1 is fulfilled; therefore, when the ink box works in the absence of ink, the elastic buckle is firstly pulled to rotate theshutter 14 along themovable plate 6, so that a rectangular opening is opened, theink injection door 10 is opened in a sliding mode along the groove, ink can be directly poured into the box body 1 to complete ink injection, and after the ink injection is completed, thesecond spring 12 utilizes elasticity to slide theink injection door 10 along the groove until the ink injection opening is closed; when a worker loads the ink box into the printer, themovable plate 6 is compressed and slides along the side wall of the box body 1 through the piston rod 4, so that themovable plate 6 is close to the outer side wall of the base box, and the inclined surface of the second abuttingblock 15 on theshutter 14 extrudes the inclined surface of thefirst abutting block 13 on theink injection door 10, so that theink injection door 10 is locked.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A printer cartridge, comprising a cartridge body (1), characterized in that: the piston type hydraulic cylinder further comprises a fixed plate (2), a piston (3), a piston rod (4), a first spring (5) and a movable plate (6); the inner side surface of the box body (1) is fixedly connected with two fixed plates (2), one of the fixed plates (2) is connected with a piston (3) in a sliding manner with the inner side of the upper plate of the box body (1), the other fixed plate (2) is connected with the piston (3) in a sliding manner with the inner side of the lower plate of the box body (1), the middle ends of the two pistons (3) are fixedly connected with piston rods (4), each piston rod (4) penetrates through the side wall of the box body (1) and is fixedly connected onto a movable plate (6), the piston rods (4) are connected with the side wall of the box body (1) in a sliding manner, two first springs (5) are arranged between the movable plate (6) and the side wall of the box body (1), and each first spring (5) is sleeved on the piston rod (4;

a sponge (9) is arranged inside the box body (1), and the sponge (9) is mainly made of polyvinyl alcohol materials;

an ink injection port is formed in the side wall of the box body (1), a groove is formed in the upper end of the ink injection port, the groove is connected with an ink injection door (10) in a sliding mode, first cylinders (11) are arranged at two ends of the upper portion of the ink injection door (10), second cylinders (16) are arranged at two ends of the bottom of the groove, the first cylinders (11) correspond to the second cylinders (16) in position one by one, and second springs (12) are arranged between the first cylinders (11) and the second cylinders (16); a rectangular opening is formed in the position, corresponding to the ink injection door (10), of the movable plate (6);

a first abutting block (13) is arranged on the outer side wall of the ink injection door (10), and the cross section of the first abutting block (13) is in the shape of a right-angled triangle; the rectangular opening is rotatably connected with a stop door (14), an elastic buckle is arranged at one end of the stop door (14), the elastic buckle is used for fixing the stop door (14) on a movable plate (6), a second abutting block (15) is arranged on the inner side of the stop door (14), the second abutting block (15) corresponds to the first abutting block (13), the cross section of the second abutting block (15) is consistent with that of the first abutting block (13), and the inclined plane of the second abutting block (15) is parallel to that of the first abutting block (13).

2. The printer cartridge of claim 1, wherein: the cross section of the two pistons (3) is U-shaped.

3. The printer cartridge of claim 2, wherein: every both ends of piston (3) have all linked firmly guide bar (7), every the lateral wall and fly leaf (6) fixedly connected with stopper (8), every of box body (1) are passed in proper order to the one end of guide bar (7) with be sliding connection between the lateral wall of box body (1), every guide bar (7) with also be sliding connection between fly leaf (6).

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