CN214533513U - Connecting structure of gear shaft and pump case of improved gear pump - Google Patents
Connecting structure of gear shaft and pump case of improved gear pump Download PDFInfo
- Publication number
- CN214533513U CN214533513U CN202120255131.XU CN202120255131U CN214533513U CN 214533513 U CN214533513 U CN 214533513U CN 202120255131 U CN202120255131 U CN 202120255131U CN 214533513 U CN214533513 U CN 214533513U
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- Prior art keywords
- pump
- gear
- block
- arc
- rotating shaft
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- Expired - Fee Related
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- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 6
- 239000013013 elastic material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a connecting structure of a gear shaft and a pump shell of an improved gear pump, which comprises a first pump shell and a clamping groove, wherein one side of the first pump shell is connected with a second pump shell; first pump case one side is fixed with the connecting block, one side of first arc piece is connected with the fixture block, connecting block one side is connected with the rotary rod, rotary rod one end is connected with rotatory piece, is close to first arc piece rotatory piece one side is connected with the second arc piece, is close to the fixture block the draw-in groove is seted up in one side of second arc piece. This gear shaft of improvement type gear pump and connection structure of pump case are provided with extrusion piece and rubber pad, and the installation is fixed the back between first pump case and second pump case, rotates the threaded rod, and the threaded rod rotates and drives the slider and slide along the guide bar, and the slider removes and drives the extrusion piece and remove, and the extrusion piece removes and can extrude the rubber pad, and the rubber pad is filled the gap between first pump case and the second pump case, is convenient for prevent the infiltration.
Description
Technical Field
The utility model relates to a gear pump technical field specifically is a connection structure of gear shaft and pump case of improvement type gear pump.
Background
Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. Two gears, pump body and front and back covers form two closed spaces, when the gears rotate, the space on the gear disengagement side becomes larger from smaller to larger to form vacuum to suck liquid, and the space on the gear engagement side becomes smaller from larger to smaller to squeeze liquid into the pipeline. The suction chamber and the discharge chamber are separated by a meshing line of two gears. The pressure of the discharge port of gear pump depends on the size of pump outlet department resistance completely, and along with the development of science and technology, the gear shaft of improvement type gear pump has had very big degree of development with the connection structure of pump case, and its development has brought very big facility when using to the gear pump for people, and its kind and quantity are also increasing day by day.
The gear shaft of the improvement type gear pump on the existing market and the connection structure of pump case are not convenient for use mostly, are not convenient for dock between gear shaft and the pump case, are not convenient for seal the leak protection, and the installation of not being convenient for is fixed, consequently will improve the connection structure of the gear shaft of present improvement type gear pump and pump case.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gear shaft of improvement type gear pump and connection structure of pump case to solve the most not convenient to use of connection structure of the gear shaft of the improvement type gear pump on the existing market that above-mentioned background art provided and pump case, the butt joint between gear shaft and the pump case of not being convenient for, the sealed leak protection of not being convenient for, the fixed problem of installation of not being convenient for.
In order to achieve the above object, the utility model provides a following technical scheme: a connecting structure of a gear shaft and a pump shell of an improved gear pump comprises a first pump shell and a clamping groove, wherein one side of the first pump shell is connected with a first rotating shaft, one side of the first rotating shaft is connected with a first gear, and one side of the first pump shell is connected with a second pump shell;
a motor is installed on one side of the second pump shell, a second rotating shaft is connected to one side of the motor, a second gear is connected to one side of the second rotating shaft, bearings are installed on one sides of the first pump shell and the second pump shell, a connecting groove is formed in one side of the bearing close to the first rotating shaft and the second rotating shaft, a limiting groove is formed in one side of the connecting groove, and limiting blocks are connected to one sides of the first rotating shaft and the second rotating shaft close to the limiting groove;
one side of the second pump shell is connected with a threaded rod, one side of the second pump shell, which is far away from the threaded rod, is connected with a guide rod, one sides of the guide rod and the threaded rod are both connected with sliding blocks, an extrusion block is connected between the sliding blocks, and one side of the first pump shell, which is close to the extrusion block, is connected with a rubber pad;
the improved pump comprises a first pump shell and a second pump shell, and is characterized in that a connecting block is fixed on one side of the first pump shell, a first arc-shaped block is connected to one side of the first pump shell and one side of the second pump shell, which is close to the connecting block, a clamping block is connected to one side of the first arc-shaped block, a rotary rod is connected to one side of the connecting block, one end of the rotary rod is connected with a rotary block, a second arc-shaped block is connected to one side of the rotary block, which is close to the first arc-shaped block, and a clamping groove is formed in one side of the second arc-shaped block.
Preferably, the first gear and the second gear have the same size, a meshing structure is formed between the first gear and the second gear, a rotating structure is formed between the first gear and the bearing through the first rotating shaft, and a rotating structure is formed between the second gear and the bearing through the second rotating shaft.
Preferably, four sets of limiting grooves are arranged, the four sets of limiting grooves are symmetrically distributed on two sides of the connecting groove in a pairwise and one set, and the internal size of each limiting groove is matched with the external size of each limiting block.
Preferably, structure as an organic whole between slider and the extrusion piece, and be threaded connection between slider and the threaded rod to be sliding connection between slider and the guide bar, extrusion piece and rubber pad are the annular shape.
Preferably, the overall dimension of the first arc-shaped block is matched with the inner side dimension of the second arc-shaped block, the first arc-shaped block and the fixture block are of an integrated structure, the fixture block is made of elastic rubber, and the overall dimension of the fixture block is matched with the inner dimension of the clamping groove.
Preferably, a rotating structure is formed between the rotating block and the connecting block through rotating rods, two groups of second arc-shaped blocks are arranged, and the two groups of second arc-shaped blocks are symmetrically distributed about the central line of the rotating block.
Compared with the prior art, the beneficial effects of the utility model are that: the gear shaft of this improvement type gear pump and the connection structure of pump case:
1. the motor is started, the motor drives the second rotating shaft to rotate with the second gear, and the second gear drives the first gear to rotate through meshing so as to be convenient for butting;
2. the first arc-shaped block and the second arc-shaped block are arranged, after the first pump shell and the second pump shell are in butt joint, the rotating block is rotated through the rotating rod, the rotating block rotates to drive the second arc-shaped block to rotate, when the second arc-shaped block rotates to one side of the first arc-shaped block, the clamping block made of elastic materials can be extruded and deformed until the clamping block moves to the clamping groove to recover deformation for clamping, the clamping block made of rubber materials can increase the friction force between the first arc-shaped block and the second arc-shaped block, and the first arc-shaped blocks on the two sides can be wrapped and fixed by the second arc-shaped block, so that the installation is facilitated;
3. be provided with extrusion piece and rubber pad, after the installation is fixed between first pump case and second pump case, rotate the threaded rod, the threaded rod rotates and drives the slider and slide along the guide bar, and the slider removes and drives the extrusion piece and remove, and the extrusion piece removes and can extrude the rubber pad, and the rubber pad is by extrusion deformation, fills the gap between first pump case and the second pump case, is convenient for prevent the infiltration.
Drawings
FIG. 1 is a schematic view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the rotary block of the present invention;
FIG. 4 is a schematic view of the bearing structure of the present invention;
FIG. 5 is a schematic view of the enlarged structure of the part A of the present invention;
fig. 6 is a schematic diagram of the local enlarged structure at the position B of the present invention.
In the figure: 1. a first pump casing; 2. a first rotating shaft; 3. a first gear; 4. a second pump casing; 5. a motor; 6. a second rotating shaft; 7. a second gear; 8. a bearing; 9. connecting grooves; 10. a limiting groove; 11. a limiting block; 12. a threaded rod; 13. a guide bar; 14. a slider; 15. extruding the block; 16. a rubber pad; 17. connecting blocks; 18. a first arc-shaped block; 19. a clamping block; 20. rotating the rod; 21. rotating the block; 22. a second arc-shaped block; 23. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a connecting structure of a gear shaft and a pump shell of an improved gear pump comprises a first pump shell 1, a first rotating shaft 2, a first gear 3, a second pump shell 4, a motor 5, a second rotating shaft 6, a second gear 7, a bearing 8, a connecting groove 9, a limiting groove 10, a limiting block 11, a threaded rod 12, a guide rod 13, a sliding block 14, an extrusion block 15, a rubber pad 16, a connecting block 17, a first arc-shaped block 18, a clamping block 19, a rotating rod 20, a rotating block 21, a second arc-shaped block 22 and a clamping groove 23, wherein one side of the first pump shell 1 is connected with the first rotating shaft 2, one side of the first rotating shaft 2 is connected with the first gear 3, the first gear 3 and the second gear 7 are same in size, a meshing structure is formed between the first gear 3 and the second gear 7, a rotating structure is formed between the first gear 3 and the bearing 8 through the first rotating shaft 2, and a rotating structure is formed between the second gear 7 and the bearing 8 through the second rotating shaft 6, after the motor 5 is started, the motor 5 can drive the second rotating shaft 6 and the second gear 7 to rotate, the second gear 7 drives the first gear 3 to rotate through meshing, the butt joint is facilitated, and one side of the first pump shell 1 is connected with a second pump shell 4;
one side of the second pump shell 4 is provided with a motor 5, one side of the motor 5 is connected with a second rotating shaft 6, one side of the second rotating shaft 6 is connected with a second gear 7, one sides of the first pump shell 1 and the second pump shell 4 are both provided with a bearing 8, one side of the bearing 8 close to the first rotating shaft 2 and the second rotating shaft 6 is provided with a connecting groove 9, one side of the connecting groove 9 is provided with four groups of limiting grooves 10, the four groups of limiting grooves 10 are symmetrically distributed on two sides of the connecting groove 9 in a pairwise and one group, the inner size of the limiting groove 10 is matched with the outer size of the limiting block 11, the first rotating shaft 2 and the second rotating shaft 6 are respectively inserted into the connecting grooves 9 at one sides of the first pump shell 1 and the second pump shell 4 to be butted, so that the first gear 3 and the second gear 7 are meshed, and the limiting block 11 is connected to one side of the first rotating shaft 2 and one side of the second rotating shaft 6, which are close to the limiting groove 10;
one side of the second pump shell 4 is connected with a threaded rod 12, one side of the second pump shell 4 far away from the threaded rod 12 is connected with a guide rod 13, one side of the guide rod 13 and one side of the threaded rod 12 are both connected with a sliding block 14, the sliding block 14 and the extrusion block 15 are of an integral structure, the sliding block 14 and the threaded rod 12 are in threaded connection, the sliding block 14 is in sliding connection with the guide rod 13, the extrusion block 15 and the rubber pad 16 are both in circular ring shapes, the threaded rod 12 is rotated, the threaded rod 12 rotates to drive the sliding block 14 to slide along the guide rod 13, the sliding block 14 moves to drive the extrusion block 15 to move, the extrusion block 15 moves to extrude the rubber pad 16, the rubber pad 16 is extruded and deformed, a gap between the first pump shell 1 and the second pump shell 4 is filled, water seepage is prevented conveniently, an extrusion block 15 is connected between the sliding blocks 14, and a rubber pad 16 is connected to one side of the first pump shell 1 close to the extrusion block 15;
a connecting block 17 is fixed on one side of the first pump shell 1, one side of the first pump shell 1 and one side of the second pump shell 4 close to the connecting block 17 are both connected with a first arc-shaped block 18, the overall dimension of the first arc-shaped block 18 is matched with the inside dimension of a second arc-shaped block 22, the first arc-shaped block 18 and the clamping block 19 are of an integral structure, the clamping block 19 is made of elastic rubber, the overall dimension of the clamping block 19 is matched with the inside dimension of the clamping groove 23, after the first pump shell 1 and the second pump shell 4 are butted, a rotating block 21 is rotated through a rotating rod 20, the rotating block 21 rotates to drive the second arc-shaped block 22 to rotate, the second arc-shaped block 22 rotates to one side of the first arc-shaped block 18, the second arc-shaped block 22 can wrap and fix the first arc-shaped blocks 18 on two sides, one side of the first arc-shaped block 18 is connected with the clamping block 19, one side of the connecting block 17 is connected with a rotating rod 20, one end of the rotating rod 20 is connected with the rotating block 21, rotating structure is formed between the rotating block 21 and the connecting block 17 through the rotating rod 20, and the second arc-shaped blocks 22 are provided with two groups, and the two groups of second arc-shaped blocks 22 are symmetrically distributed about the central line of the rotating block 21, after the first pump shell 1 is in butt joint with the second pump shell 4, the rotating block 21 is rotated through the rotating rod 20, the rotating block 21 rotates to drive the second arc-shaped blocks 22 to rotate, when the second arc-shaped blocks 22 rotate to one side of the first arc-shaped blocks 18, the clamping blocks 19 made of elastic materials can be extruded and deformed until the clamping blocks 19 move to the clamping grooves 23 to recover deformation for clamping, the clamping blocks 19 made of rubber materials can increase the friction force between the first arc-shaped blocks 18 and the second arc-shaped blocks 22, one side of the rotating block 21 close to the first arc-shaped blocks 18 is connected with the second arc-shaped blocks 22, and the clamping grooves 23 close to the clamping blocks 19 are arranged on one side of the second arc-shaped blocks 22.
The working principle is as follows: when the connecting structure of the gear shaft and the pump shell of the improved gear pump is used, firstly, the limiting blocks 11 at the two sides of the first rotating shaft 2 and the second rotating shaft 6 are aligned with the limiting grooves 10, then the first rotating shaft 2 and the second rotating shaft 6 are respectively inserted into the connecting grooves 9 at one sides of the first pump shell 1 and the second pump shell 4 for butt joint, so that the first gear 3 is meshed with the second gear 7, after the motor 5 is started, the motor 5 can drive the second rotating shaft 6 and the second gear 7 to rotate, the second gear 7 drives the first gear 3 to rotate through the meshing, the butt joint is convenient, after the first pump shell 1 is butted with the second pump shell 4, the rotating block 21 is rotated through the rotating rod 20, the rotating block 21 rotates to drive the second arc-shaped block 22 to rotate, when the second arc-shaped block 22 rotates to one side of the first arc-shaped block 18, the clamping block 19 made of elastic material can be extruded and deformed until the clamping block 19 moves to the clamping groove 23 for clamping, the fixture block 19 made of rubber can increase the friction between the first arc-shaped block 18 and the second arc-shaped block 22, the second arc-shaped block 22 can wrap and fix the first arc-shaped blocks 18 on the two sides, so that the installation is convenient, after the first pump shell 1 and the second pump shell 4 are fixedly installed, the threaded rod 12 is rotated, the threaded rod 12 rotates to drive the sliding block 14 to slide along the guide rod 13, the sliding block 14 moves to drive the extrusion block 15 to move, the extrusion block 15 moves to extrude the rubber pad 16, the rubber pad 16 is extruded and deformed, gaps between the first pump shell 1 and the second pump shell 4 are filled, so that the water seepage is prevented, and the content which is not described in detail in the description belongs to the prior art known by professionals in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a connection structure of gear shaft and pump case of improvement type gear pump, includes first pump case (1) and draw-in groove (23), its characterized in that: one side of the first pump shell (1) is connected with a first rotating shaft (2), one side of the first rotating shaft (2) is connected with a first gear (3), and one side of the first pump shell (1) is connected with a second pump shell (4);
a motor (5) is installed on one side of the second pump shell (4), a second rotating shaft (6) is connected to one side of the motor (5), a second gear (7) is connected to one side of the second rotating shaft (6), bearings (8) are installed on one sides of the first pump shell (1) and the second pump shell (4), a connecting groove (9) is formed in one side of each bearing (8) close to the first rotating shaft (2) and the second rotating shaft (6), a limiting groove (10) is formed in one side of each connecting groove (9), and limiting blocks (11) are connected to one sides of the first rotating shaft (2) and the second rotating shaft (6) close to the limiting grooves (10);
one side of the second pump shell (4) is connected with a threaded rod (12), one side of the second pump shell (4) far away from the threaded rod (12) is connected with a guide rod (13), one sides of the guide rod (13) and the threaded rod (12) are connected with sliding blocks (14), extrusion blocks (15) are connected between the sliding blocks (14), and one side of the first pump shell (1) close to the extrusion blocks (15) is connected with a rubber pad (16);
first pump case (1) one side is fixed with connecting block (17), is close to connecting block (17) first pump case (1) all is connected with first arc piece (18) with one side of second pump case (4), one side of first arc piece (18) is connected with fixture block (19), connecting block (17) one side is connected with rotary rod (20), rotary rod (20) one end is connected with rotatory piece (21), is close to first arc piece (18) rotatory piece (21) one side is connected with second arc piece (22), is close to fixture block (19) draw-in groove (23) are seted up in one side of second arc piece (22).
2. The improved gear shaft and pump casing connecting structure of the gear pump as claimed in claim 1, wherein: the first gear (3) and the second gear (7) are the same in size, a meshing structure is formed between the first gear (3) and the second gear (7), a rotating structure is formed between the first gear (3) and the bearing (8) through the first rotating shaft (2), and a rotating structure is formed between the second gear (7) and the bearing (8) through the second rotating shaft (6).
3. The improved gear shaft and pump casing connecting structure of the gear pump as claimed in claim 1, wherein: the limiting grooves (10) are provided with four groups, the four groups of limiting grooves (10) are symmetrically distributed on two sides of the connecting groove (9) in a pairwise mode, and the inner size of each limiting groove (10) is matched with the appearance size of the limiting block (11).
4. The improved gear shaft and pump casing connecting structure of the gear pump as claimed in claim 1, wherein: the sliding block (14) and the extrusion block (15) are of an integral structure, the sliding block (14) is in threaded connection with the threaded rod (12), the sliding block (14) is in sliding connection with the guide rod (13), and the extrusion block (15) and the rubber pad (16) are both in a circular ring shape.
5. The improved gear shaft and pump casing connecting structure of the gear pump as claimed in claim 1, wherein: the overall dimension of the first arc-shaped block (18) is matched with the inner side dimension of the second arc-shaped block (22), the first arc-shaped block (18) and the fixture block (19) are of an integrated structure, the fixture block (19) is made of elastic rubber, and the overall dimension of the fixture block (19) is matched with the inner dimension of the clamping groove (23).
6. The improved gear shaft and pump casing connecting structure of the gear pump as claimed in claim 1, wherein: rotating structure is formed between the rotating block (21) and the connecting block (17) through the rotating rods (20), two groups of second arc-shaped blocks (22) are arranged, and the two groups of second arc-shaped blocks (22) are symmetrically distributed about the center line of the rotating block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255131.XU CN214533513U (en) | 2021-01-29 | 2021-01-29 | Connecting structure of gear shaft and pump case of improved gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255131.XU CN214533513U (en) | 2021-01-29 | 2021-01-29 | Connecting structure of gear shaft and pump case of improved gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533513U true CN214533513U (en) | 2021-10-29 |
Family
ID=78347060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120255131.XU Expired - Fee Related CN214533513U (en) | 2021-01-29 | 2021-01-29 | Connecting structure of gear shaft and pump case of improved gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533513U (en) |
-
2021
- 2021-01-29 CN CN202120255131.XU patent/CN214533513U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |