CN219570327U - Gear pump convenient to dismantle and maintain - Google Patents
Gear pump convenient to dismantle and maintain Download PDFInfo
- Publication number
- CN219570327U CN219570327U CN202320156522.5U CN202320156522U CN219570327U CN 219570327 U CN219570327 U CN 219570327U CN 202320156522 U CN202320156522 U CN 202320156522U CN 219570327 U CN219570327 U CN 219570327U
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- pump
- gear
- pump cover
- pump body
- connecting pipe
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model relates to a gear pump convenient to detach and maintain, which comprises a pump body, wherein a positioning device, a filtering device and a telescopic device are arranged on the pump body, the positioning device comprises a front pump cover, a rear pump cover and a plurality of positioning pins, the positioning pins are respectively arranged on two sides of the pump body, first positioning holes matched with the positioning pins are respectively arranged on two sides of the pump body, second positioning holes matched with the positioning pins are respectively arranged on the front pump cover, third positioning holes matched with the positioning pins are respectively arranged on the rear pump cover, air grooves are respectively arranged on the positioning pins, and the front pump cover, the pump body and the rear pump cover are detachably connected through bolts.
Description
Technical Field
The utility model relates to the technical field of gear pumps, in particular to a gear pump convenient to detach and maintain.
Background
The gear pump is characterized in that two gears meshed with each other are arranged in the pump body, and pumping and draining are realized through rotation of the two meshed gears. When the existing gear pump is assembled, the pump body and the pump cover are directly connected and fixed through bolts, a positioning mechanism is lacked, the position precision between the pump body and the pump cover is poor, positioning pins are arranged between some pump bodies and pump covers for positioning, but when the pump cover is taken down, the sealing performance between the positioning pins and the pump cover is good, air cannot enter when the pump cover is pulled out, the air pressure between the pump cover and the positioning pins is gradually reduced along with the continuous pulling out of the pump cover, and the pump cover is in a negative pressure state, so that the pump cover is not easy to pull out of the positioning pins; in addition, when the gear pump is used for transporting liquid containing impurities, the impurities are easy to clamp between the two gears, and the meshing surfaces of the two gears are worn, so that the gears are required to be overhauled and replaced frequently, and the labor cost and the material cost are high.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a gear pump convenient to detach and maintain, so as to solve the technical problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear pump convenient to dismantle and maintain, includes the pump body, be equipped with positioner, filter equipment and telescoping device on the pump body, positioner includes preceding pump cover, back pump cover and locating pin, and the locating pin is provided with a plurality of, and sets up respectively in the both sides of the pump body, the both sides of the pump body all are provided with locating pin complex first locating hole, be provided with on the preceding pump cover with locating pin complex second locating hole, be provided with on the back pump cover with locating pin complex third locating hole, be equipped with the air tank on the locating pin, be connected through bolt detachably between preceding pump cover, the pump body and the back pump cover, filter equipment includes first connecting pipe and filter pulp, one side of the pump body is equipped with the inlet tube, is equipped with first flange on the inlet tube, is equipped with the second flange on the first connecting pipe, first flange and second flange pass through bolted connection, filter pulp sets up between first connecting pipe and inlet tube, all be provided with on first flange and the second flange with filter pulp complex mounting groove.
Preferably, the telescopic device comprises a second connecting pipe, the outer edge of the first connecting pipe is provided with a limiting groove, one side of the first connecting pipe, which is far away from the pump body, is slidably arranged in the second connecting pipe, one side of the second connecting pipe, which is close to the pump body, is provided with a limiting plate, the limiting plate is slidably sleeved outside the limiting groove, and when the filter cotton is disassembled, the positions of the pump body and an external pipeline are not required to be adjusted.
In a further preferred embodiment, a water outlet pipe is arranged on the other side of the pump body away from the water inlet pipe, and a third flange is arranged on the water outlet pipe, so that water is discharged conveniently.
In a further preferred embodiment, the first connecting pipes and the telescopic devices are provided with two groups, the two first connecting pipes are respectively in sliding fit with the two second connecting pipes, the two second flanges on the first connecting pipes are respectively detachably connected with the first flanges and the third flanges through bolts, and when the pump body is installed between the two hard fixed pipelines, the distance between the pipelines is not required to be adjusted, so that the pump body is convenient to install and detach.
In a further preferred embodiment, the pump body is provided with a first gear and a second gear, the first gear is meshed with the second gear, a driving shaft is arranged in the first gear, one end of the driving shaft penetrates through the rear pump cover and is rotationally connected with the rear pump cover, and the other end of the driving shaft is rotationally connected with the front pump cover, so that water absorption and water drainage are facilitated.
In a further preferred embodiment, a rotating shaft is disposed in the second gear, one end of the rotating shaft is rotatably connected with the rear pump cover, and the other end of the rotating shaft is rotatably connected with the front pump cover, so that the second gear is convenient to install.
In a further preferred embodiment, the first connecting pipe is sleeved with a sealing ring, and the sealing ring is attached to the inner wall of the second connecting pipe, so that sealing performance is improved.
Compared with the prior art, the utility model provides the gear pump convenient to detach and maintain, which has the following beneficial effects:
the positioning device is arranged in the utility model, when the front pump cover and the rear pump cover are installed, the positioning device is convenient for positioning the front pump cover and the rear pump cover, the position precision of the front pump cover and the rear pump cover is improved, the positioning pin is provided with the air groove, and the air can be freely positioned in the second positioning hole when the front pump cover is installed and detached, so that the smoothness of installation is improved, and the installation and the detachment are convenient;
the filter device is arranged in the utility model, so that liquid entering the pump body is conveniently filtered, and the filter cotton is arranged between the first connecting pipe and the water inlet pipe, so that the filter cotton is conveniently detached for cleaning or replacement;
the telescopic device is arranged in the utility model, when the pump body is arranged between two hard fixed pipelines, the distance between the pipelines is not required to be adjusted, the installation and the disassembly of the pump body are convenient, and when the filter cotton is disassembled, the positions of the pump body and the external pipelines are not required to be adjusted.
Drawings
FIG. 1 is a schematic view of the whole structure of a gear pump which is convenient to disassemble and maintain;
FIG. 2 is a schematic view of the overall structure of another angle of the present utility model;
FIG. 3 is a schematic view of an exploded view of a positioning device according to the present utility model;
FIG. 4 is a schematic view of an exploded view of the telescopic device of the present utility model;
fig. 5 is a schematic structural view of a front pump cover in the present utility model.
In the figure: 1. a pump body; 2. a front pump cover; 3. a rear pump cover; 4. a positioning pin; 5. a first positioning hole; 6. a second positioning hole; 7. a third positioning hole; 8. an air tank; 9. a first connection pipe; 10. filtering cotton; 11. a water inlet pipe; 12. a first flange; 13. a second flange; 14. a mounting groove; 15. a second connection pipe; 16. a limit groove; 17. a limiting plate; 18. a water outlet pipe; 19. a third flange; 20. a first gear; 21. a second gear; 22. a drive shaft; 23. a rotation shaft; 24. and (3) a sealing ring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, a gear pump convenient to disassemble and maintain comprises a pump body 1, wherein a positioning device, a filtering device and a telescopic device are arranged on the pump body 1, the positioning device comprises a front pump cover 2, a rear pump cover 3 and a positioning pin 4, the positioning pins 4 are respectively arranged on two sides of the pump body 1, first positioning holes 5 matched with the positioning pins 4 are respectively arranged on two sides of the pump body 1, second positioning holes 6 matched with the positioning pins 4 are respectively arranged on the front pump cover 2, third positioning holes 7 matched with the positioning pins 4 are respectively arranged on the rear pump cover 3, an air groove 8 is arranged on the positioning pins 4, the front pump cover 2, the pump body 1 and the rear pump cover 3 are detachably connected through bolts, the filtering device comprises a first connecting pipe 9 and a filtering cotton 10, a water inlet pipe 11 is arranged on one side of the pump body 1, a first flange 12 is arranged on the water inlet pipe 11, a second flange 13 is arranged on the first connecting pipe 9, the first flange 12 and the second flange 13 are connected through bolts, a filtering cotton 10 is arranged between the first connecting pipe 9 and the water inlet pipe 11, and a filter cotton 10 is respectively arranged on the first flange 12 and the second flange 13.
Referring to fig. 1-5, the telescopic device includes a second connecting pipe 15, a limiting groove 16 is provided at an outer edge of the first connecting pipe 9, one side of the first connecting pipe 9 far away from the pump body 1 is slidably disposed in the second connecting pipe 15, a limiting plate 17 is provided at one side of the second connecting pipe 15 near the pump body 1, and the limiting plate 17 is slidably sleeved outside the limiting groove 16. The other side of the pump body 1, which is far away from the water inlet pipe 11, is provided with a water outlet pipe 18, and the water outlet pipe 18 is provided with a third flange 19. The first connecting pipes 9 and the telescopic devices are respectively provided with two groups, the two first connecting pipes 9 are respectively in sliding fit with the two second connecting pipes 15, and the second flanges 13 on the two first connecting pipes 9 are respectively detachably connected with the first flanges 12 and the third flanges 19 through bolts. The first connecting pipe 9 is sleeved with a sealing ring 24, and the sealing ring 24 is attached to the inner wall of the second connecting pipe 15. When in use, the two first connecting pipes 9 are respectively connected with the water inlet pipe 11 and the water outlet pipe 18, the two second connecting pipes 15 are respectively sleeved outside the two first connecting pipes 9 in a sliding way, the limiting plate 17 is sleeved outside the limiting groove 16 in a sliding way, the second connecting pipes 15 are prevented from falling off from the first connecting pipes 9, the second connecting pipes 15 are pushed to slide outside the first connecting pipes 9, and the total length of the first connecting pipes 9 and the second connecting pipes 15 is adjusted to adapt to the distance between the pump body 1 and an external pipeline.
Referring to fig. 1-5, a first gear 20 and a second gear 21 are disposed in the pump body 1, the first gear 20 and the second gear 21 are meshed, a driving shaft 22 is disposed in the first gear 20, one end of the driving shaft 22 penetrates the rear pump cover 3 and is rotationally connected with the rear pump cover 3, and the other end is rotationally connected with the front pump cover 2. A rotating shaft 23 is arranged in the second gear 21, one end of the rotating shaft 23 is rotatably connected with the rear pump cover 3, and the other end of the rotating shaft is rotatably connected with the front pump cover 2. When in use, one end of the driving shaft 22 penetrating through the rear pump cover 3 is connected with an external motor, when the motor drives the driving shaft 22 to rotate, the driving gear 20 is driven to rotate, the first gear 20 is meshed with the second gear 21, and then the driving gear 21 is driven to rotate together, so that water at the water inlet pipe 11 is sucked and discharged from the water outlet pipe 18.
Examples
In summary, when in use, the positioning pin 4 is inserted into the first positioning hole 5 in the pump body 1, in the insertion process, air in the first positioning hole 5 is discharged through the air groove 8, so that the positioning pin 4 is convenient to insert, the front pump cover 2 is placed on one side of the pump body 1, the second positioning hole 6 is sleeved outside the positioning pin 4, air in the second positioning hole 6 is discharged through the air groove 8, the rear pump cover 3 is installed on one side of the pump body 1 in the same way, the front pump cover 2, the pump body 1 and the rear pump cover 3 are fixedly connected through bolts, when the front pump cover 2 needs to be disassembled, the bolts are removed, the front pump cover 2 is directly pulled out, and in the pulling-out process, the air enters into the second positioning hole 6 through the air groove 8, so that the front pump cover 2 is prevented from being pulled out easily due to negative pressure; the filter cotton 10 is placed in the mounting groove 14 at the water inlet pipe 11, the two first connecting pipes 9 are respectively connected with the water inlet pipe 11 and the water outlet pipe 18, the two second connecting pipes 15 are respectively sleeved outside the two first connecting pipes 9 in a sliding manner, the limiting plate 17 is sleeved outside the limiting groove 16 in a sliding manner, the second connecting pipes 15 are prevented from falling off from the first connecting pipes 9, the second connecting pipes 15 are pushed to slide outside the first connecting pipes 9, the total length of the first connecting pipes 9 and the second connecting pipes 15 is adjusted, the distance between the pump body 1 and an external pipeline is adapted, the second connecting pipes 15 and the external pipeline are connected and fixed, and the connection and the fixation between the gear pump and the external pipeline are completed.
Examples
In summary, when using, with drive shaft 22 run through the one end and the external motor connection of back pump cover 3, when the motor drives drive shaft 22 rotation, drive first gear 20 rotation, first gear 20 and second gear 21 meshing, and then drive second gear 21 and rotate together, inhale the water of inlet tube 11 department to discharge from outlet pipe 18, when carrying liquid through cotton filter 10, impurity is intercepted by cotton filter 10, prevents that it from entering into in the pump body 1 and causes wearing and tearing to first gear 20 and second gear 21.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a gear pump convenient to dismantle and maintain, includes the pump body (1), its characterized in that: the utility model discloses a filter device, including pump body (1), pump body (1) is equipped with positioner, filter equipment and telescoping device, positioner includes preceding pump cover (2), back pump cover (3) and locating pin (4), locating pin (4) are provided with a plurality of, and set up respectively in the both sides of pump body (1), both sides of pump body (1) all are provided with first locating hole (5) with locating pin (4) complex, be provided with on preceding pump cover (2) with locating pin (4) complex second locating hole (6), be provided with on back pump cover (3) with locating pin (4) complex third locating hole (7), be equipped with air groove (8) on locating pin (4), be connected through bolt detachably between preceding pump cover (2), pump body (1) and the back pump cover (3), filter equipment includes first connecting pipe (9) and filter pulp (10), one side of pump body (1) is equipped with inlet tube (11), be equipped with first flange (12) on inlet tube (11), be equipped with second flange (13) on first connecting pipe (9), first flange (12) and second flange (13) are through setting up between first connecting pipe (11) and filter pulp (10), all be provided with on first flange (12) and second flange (13) with filter pulp (10) complex mounting groove (14), telescoping device includes second connecting pipe (15), the outer fringe of first connecting pipe (9) is equipped with spacing groove (16), one side that pump body (1) was kept away from to first connecting pipe (9) slides and sets up in second connecting pipe (15), one side that second connecting pipe (15) is close to pump body (1) is equipped with limiting plate (17), limiting plate (17) slip cap is established outside spacing groove (16).
2. The gear pump of claim 1, wherein the gear pump is easy to disassemble and maintain, and is characterized in that: the other side of the pump body (1) far away from the water inlet pipe (11) is provided with a water outlet pipe (18), and the water outlet pipe (18) is provided with a third flange (19).
3. The gear pump of claim 2, wherein the gear pump is easy to disassemble and maintain, and further characterized by: the first connecting pipes (9) and the telescopic devices are respectively provided with two groups, the two first connecting pipes (9) are respectively in sliding fit with the two second connecting pipes (15), and the second flanges (13) on the two first connecting pipes (9) are respectively detachably connected with the first flanges (12) and the third flanges (19) through bolts.
4. The gear pump of claim 1, wherein the gear pump is easy to disassemble and maintain, and is characterized in that: be equipped with first gear (20) and second gear (21) in the pump body (1), first gear (20) and second gear (21) meshing, and be equipped with drive shaft (22) in first gear (20), the one end of drive shaft (22) runs through back pump cover (3) and rotates with back pump cover (3) to be connected, and the other end rotates with preceding pump cover (2) to be connected.
5. The gear pump of claim 4, wherein the gear pump is easy to disassemble and maintain, and further comprising: a rotating shaft (23) is arranged in the second gear (21), one end of the rotating shaft (23) is rotationally connected with the rear pump cover (3), and the other end of the rotating shaft is rotationally connected with the front pump cover (2).
6. The gear pump of claim 1, wherein the gear pump is easy to disassemble and maintain, and is characterized in that: the first connecting pipe (9) is sleeved with a sealing ring (24), and the sealing ring (24) is attached to the inner wall of the second connecting pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156522.5U CN219570327U (en) | 2023-02-08 | 2023-02-08 | Gear pump convenient to dismantle and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156522.5U CN219570327U (en) | 2023-02-08 | 2023-02-08 | Gear pump convenient to dismantle and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219570327U true CN219570327U (en) | 2023-08-22 |
Family
ID=87663630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320156522.5U Active CN219570327U (en) | 2023-02-08 | 2023-02-08 | Gear pump convenient to dismantle and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219570327U (en) |
-
2023
- 2023-02-08 CN CN202320156522.5U patent/CN219570327U/en active Active
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| GR01 | Patent grant |