CN214577668U - Hydraulic pump with high transmission efficiency - Google Patents
Hydraulic pump with high transmission efficiency Download PDFInfo
- Publication number
- CN214577668U CN214577668U CN202120384990.9U CN202120384990U CN214577668U CN 214577668 U CN214577668 U CN 214577668U CN 202120384990 U CN202120384990 U CN 202120384990U CN 214577668 U CN214577668 U CN 214577668U
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- Prior art keywords
- transmission shaft
- ball bearing
- hydraulic pump
- cylindrical gear
- supporting seat
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 112
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a high transmission efficiency's hydraulic pump relates to hydraulic pump technical field, comprising a base plate, the top of bottom plate is provided with baffle all around, the top of baffle all around is provided with the roof, and one side of baffle all around is provided with first transmission shaft, one side of baffle all around and the one side that is located first transmission shaft are provided with the secondary drive axle, one side of secondary drive axle is provided with the third transmission shaft, the one end of first transmission shaft is provided with first ball bearing. The variable displacement pump solves the problems that the conventional hydraulic pump generally has a variable displacement pump which can change the discharge amount of the pump by changing the inclination angle of a sloping plate, and is provided with a rotating shaft and a cylinder block which is connected with the rotating shaft and integrally rotates, pistons are accommodated in a plurality of cylinder holes formed in the cylinder block to be capable of reciprocating to provide power output, and the utilization rate of working oil of the conventional hydraulic pump is not high; the internal transmission part has complex process and higher cost; the transmission efficiency is low; the weight and the volume are large.
Description
Technical Field
The utility model relates to a hydraulic pump field especially relates to a high transmission efficiency's hydraulic pump.
Background
The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank, discharges pressure oil, and sends the pressure oil to an execution element, and is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure.
A conventional hydraulic pump is generally a variable displacement pump in which the discharge amount of the pump is variable by changing the inclination angle of a swash plate, and includes a rotary shaft and a cylinder block connected to the rotary shaft and rotating integrally therewith, wherein pistons are housed in a plurality of cylinder bores formed in the cylinder block so as to be capable of reciprocating to provide power output, and the utilization rate of hydraulic oil of the conventional hydraulic pump is not high; the internal transmission part has complex process and higher cost; the transmission efficiency is low; the weight and volume are large.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a high transmission efficiency's hydraulic pump, compare with general hydraulic pump on the present market, this hydraulic pump has adopted novel structural design, hydraulic motor recycles in drawing back the box of hydraulic pump with working fluid through extracting the external oil package of this hydraulic pump, the working oil of sub-hydraulic pump can realize recycling like this, the subassembly is few, the assembly is simple, the advantage that hydraulic pump's transmission efficiency is high, the utilization ratio of working oil of having solved present hydraulic pump is not high, inside transmission part technology is complicated, the cost is higher, transmission efficiency is low, weight and the great problem of volume.
(II) technical scheme
Can realize recycling for realizing the working oil of above-mentioned hydraulic pump, the subassembly is few, and the assembly is simple, the high purpose of transmission efficiency of hydraulic pump, the utility model provides a following technical scheme: a hydraulic pump with high transmission efficiency comprises a bottom plate, wherein a peripheral baffle is arranged at the top of the bottom plate, a top plate is arranged at the top of the peripheral baffle, a first transmission shaft is arranged at one side of the peripheral baffle, a second transmission shaft is arranged at one side of the peripheral baffle and positioned at one side of the first transmission shaft, a third transmission shaft is arranged at one side of the second transmission shaft, a first ball bearing is arranged at one end of the first transmission shaft, a second ball bearing is arranged at the other end of the first transmission shaft, a deep groove ball bearing is fixedly connected at the middle part of the first transmission shaft through a shaft shoulder, a third ball bearing is arranged at one end of the second transmission shaft, a fourth ball bearing is arranged at the other end of the second transmission shaft, a fifth ball bearing is arranged at one side of the second transmission shaft, and a sixth ball bearing is arranged at one end of the second transmission shaft, the top one side of bottom plate is provided with first supporting seat, the top of first supporting seat is provided with the second supporting seat, the top opposite side of bottom plate is provided with the third supporting seat, the top of third supporting seat is provided with the fourth supporting seat, outer wall one side of first transmission shaft is provided with first cylindrical gear, outer wall one side of second transmission shaft is provided with the second cylindrical gear, the one end of second transmission shaft is provided with the third cylindrical gear, the one end of third transmission shaft is provided with the fourth cylindrical gear, one side of first cylindrical gear is provided with the left cover that is partial, the opposite side of first cylindrical gear is provided with the right cover that is partial.
Preferably, one side of first transmission shaft is through thin tooth screw thread fixedly connected with plunger sleeve, spring and plunger have been placed to plunger sleeve's inside, the telescopic surface one side of plunger is provided with the adapter, there is the second check valve plunger sleeve's bottom through threaded connection, the top of adapter is provided with first check valve, one side of baffle is provided with first fixed block, second fixed block and third fixed block respectively all around, one side of second transmission shaft is provided with first sealing washer, one side of third transmission shaft is provided with second sealing washer and third sealing washer respectively, the inside of plunger is provided with seventh ball bearing.
Preferably, the first transmission shaft is rotatably connected with one side of the first support seat through a first ball bearing, and the first transmission shaft is rotatably connected with one side of the third support seat through a second ball bearing.
Preferably, the first cylindrical gear is meshed with the second cylindrical gear, and the third cylindrical gear is meshed with the fourth cylindrical gear.
Preferably, one side of a third fixing block at one end of the second transmission shaft is rotatably connected with one side of a peripheral baffle plate, and the third transmission shaft is rotatably connected with the peripheral baffle plate.
Preferably, be threaded connection between plunger sleeve and the adapter, be threaded connection between adapter and the first check valve.
(III) advantageous effects
Compared with the prior art, the utility model provides a high transmission efficiency's hydraulic pump possesses following beneficial effect:
compared with the prior art, the utility model, the hydraulic pump has simple structure, makes simple to operate, and the cyclic utilization rate of hydraulic oil is high, and the operation is stable, is difficult to damage, and transmission efficiency is high, advantages such as volume and weight are little.
Drawings
FIG. 1 is an overall oblique perspective view of a hydraulic pump;
FIG. 2 is a perspective view of the interior of the hydraulic pump;
FIG. 3 is a schematic view of a portion of the internal plunger of the hydraulic pump;
FIG. 4 is a detail view of the first cylindrical gear;
FIG. 5 is a detail view of the second driveshaft assembly;
FIG. 6 is a front oblique perspective view of the plunger assembly structure;
fig. 7 is a detail view of the first transmission shaft structure.
Illustration of the drawings:
1. a base plate; 2. a peripheral baffle plate; 3. a top plate; 4. a first drive shaft; 5. a second drive shaft; 6. a third drive shaft; 7. a first ball bearing; 8. a second ball bearing; 9. a deep groove ball bearing; 10. a third ball bearing; 11. a fourth ball bearing; 12. a fifth ball bearing; 13. a sixth ball bearing; 14. a first support base; 15. a second support seat; 16. a third support seat; 17. a fourth supporting seat; 18. a first cylindrical gear; 19. a second cylindrical gear; 20. a third cylindrical gear; 21. a fourth cylindrical gear; 22. a left deflection sleeve; 23. a right deviation sleeve; 24. a plunger; 25. a plunger sleeve; 26. an adapter; 27. a first check valve; 28. a first fixed block; 29. a second fixed block; 30. a third fixed block; 31. a first seal ring; 32. a second seal ring; 33. a third seal ring; 34. a spring; 35. a seventh ball bearing; 36. a second one-way valve.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-7, a hydraulic pump with high transmission efficiency comprises a bottom plate 1, a peripheral baffle 2 is arranged on the top of the bottom plate 1, a top plate 3 is arranged on the top of the peripheral baffle 2, a first transmission shaft 4 is arranged on one side of the peripheral baffle 2, the first transmission shaft 4 is specially designed in structure, a lubricating mode of capillary lubrication is adopted, 1mm of grooves are distributed on the first transmission shaft 4 to effectively lubricate a bearing on the first transmission shaft 4 and prevent oil leakage, a second transmission shaft 5 is arranged on one side of the peripheral baffle 2 and on one side of the first transmission shaft 4, a third transmission shaft 6 is arranged on one side of the second transmission shaft 5, a first ball bearing 7 is arranged at one end of the first transmission shaft 4, a second ball bearing 8 is arranged at the other end of the first transmission shaft 4, a deep groove ball bearing 9 is fixedly connected to the middle part of the first transmission shaft 4 through a shaft shoulder, one end of the second transmission shaft 5 is provided with a third ball bearing 10, the other end of the second transmission shaft 5 is provided with a fourth ball bearing 11, one side of the second transmission shaft 5 is provided with a fifth ball bearing 12, one end of the second transmission shaft 5 is provided with a sixth ball bearing 13, one side of the top of the bottom plate 1 is provided with a first supporting seat 14, the top of the first supporting seat 14 is provided with a second supporting seat 15, the other side of the top of the bottom plate 1 is provided with a third supporting seat 16, the top of the third supporting seat 16 is provided with a fourth supporting seat 17, one side of the outer wall of the first transmission shaft 4 is provided with a first cylindrical gear 18, one side of the outer wall of the second transmission shaft 5 is provided with a second cylindrical gear 19, one end of the second transmission shaft 5 is provided with a third cylindrical gear 20, one end of the third transmission shaft 6 is provided with a fourth cylindrical gear 21, one side of the first cylindrical gear 18 is provided with a left deviation sleeve 22, the opposite side of first cylindrical gear 18 is provided with right partial pressure cover 23, and two on the first transmission shaft 4 are partial pressure cover and are driven rotatoryly by the deep groove ball bearing on the first transmission shaft 4, and first transmission shaft 4 does not rotate simultaneously, and the structure rotational design of this kind compares with other hydraulic pumps on the market, and the advantage lies in can guaranteeing to avoid first transmission shaft 4 to rotate to generate heat and leads to the bearing to damage, reduces the vibration noise of first transmission shaft 4.
Furthermore, one side of the first transmission shaft 4 is fixedly connected with a plunger sleeve 25 through a fine thread, a spring 34 and a plunger 24 are placed in the plunger sleeve 25, an adapter 26 is arranged on one side of the outer surface of the plunger sleeve 25, a second check valve 36 is connected to the bottom end of the plunger sleeve 25 through a thread, a first check valve 27 is arranged at the top of the adapter 26, a first fixed block 28, a second fixed block 29 and a third fixed block 30 are respectively arranged on one side of the peripheral baffle 2, a first seal ring 31 is arranged on one side of the second transmission shaft 5, a second seal ring 32 and a third seal ring 33 are respectively arranged on one side of the third transmission shaft 6, a seventh ball bearing 35 is arranged in the plunger 24, and the seventh ball bearing 35 is designed to be different from other hydraulic pumps, so that the plunger 24 can be ensured to rotate along with the deflection sleeve while making up and down telescopic movement in the plunger sleeve 25, the structural design of this kind can effectual reduction the friction loss between each working member, can also further improve the availability factor of working fluid.
Furthermore, the first transmission shaft 4 is rotatably connected to one side of the first support seat 14 through the first ball bearing 7, and the first transmission shaft 4 is rotatably connected to one side of the third support seat 16 through the second ball bearing 8.
Further, the first cylindrical gear 18 is engaged with the second cylindrical gear 19, and the third cylindrical gear 20 is engaged with the fourth cylindrical gear 21.
Furthermore, one end of the second transmission shaft 5 is rotatably connected with one side of the third fixing block 30, and the third transmission shaft 6 is rotatably connected with the peripheral baffle 2.
Further, the plunger sleeve 25 is in threaded connection with the adapter 26, and the adapter 26 is in threaded connection with the first check valve 27.
The utility model discloses a theory of operation and use flow: the high-speed motor drives the third transmission shaft 6 to rotate, the fourth cylindrical gear 21 on the third transmission shaft 6 drives the third cylindrical gear 20 engaged with the third transmission shaft to rotate, the third cylindrical gear 20 drives the second transmission shaft 5 to rotate, the second cylindrical gear 19 on the second transmission shaft 5 drives the first cylindrical gear 18 to rotate, the first cylindrical gear 18 drives the left deviation sleeve and the right deviation sleeve to do circular motion together, the plunger sleeve 25 is fixed on the first transmission shaft 4 and keeps still, the seventh ball bearing 35 is driven to do circular motion through the eccentric circular motion of the left deviation sleeve 22 and the right deviation sleeve 23, and the seventh ball bearing 35 ensures that the plunger 24 does reciprocating motion in the plunger sleeve 25 along with the rotation of the left deviation sleeve and the right deviation sleeve. When the bottom of the plunger 24 telescopically moves to the top of the plunger sleeve 25, hydraulic oil enters the inner cavity of the plunger sleeve 25 from the first check valve 27 along the adapter 26, the second check valve 36 is in a closed state at the moment, the hydraulic oil enters the inside of the first transmission shaft 4 through the second check valve 36 when the first check valve 27 is in the closed state along with the telescopic movement of the bottom of the plunger 24 to the bottom of the plunger sleeve 25.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high transmission efficiency hydraulic pump, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a peripheral baffle (2), the top of the peripheral baffle (2) is provided with a top plate (3), one side of the peripheral baffle (2) is provided with a first transmission shaft (4), one side of the peripheral baffle (2) and one side of the first transmission shaft (4) are provided with a second transmission shaft (5), one side of the second transmission shaft (5) is provided with a third transmission shaft (6), one end of the first transmission shaft (4) is provided with a first ball bearing (7), the other end of the first transmission shaft (4) is provided with a second ball bearing (8), the middle part of the first transmission shaft (4) is fixedly connected with a deep groove ball bearing (9) through a shaft shoulder, one end of the second transmission shaft (5) is provided with a third ball bearing (10), the other end of the second transmission shaft (5) is provided with a fourth ball bearing (11), a fifth ball bearing (12) is arranged on one side of the second transmission shaft (5), a sixth ball bearing (13) is arranged at one end of the second transmission shaft (5), a first supporting seat (14) is arranged on one side of the top of the bottom plate (1), a second supporting seat (15) is arranged on the top of the first supporting seat (14), a third supporting seat (16) is arranged on the other side of the top of the bottom plate (1), a fourth supporting seat (17) is arranged on the top of the third supporting seat (16), a first cylindrical gear (18) is arranged on one side of the outer wall of the first transmission shaft (4), a second cylindrical gear (19) is arranged on one side of the outer wall of the second transmission shaft (5), a third cylindrical gear (20) is arranged on one end of the second transmission shaft (5), and a fourth cylindrical gear (21) is arranged on one end of the third transmission shaft (6), one side of the first cylindrical gear (18) is provided with a left deviation sleeve (22), and the other side of the first cylindrical gear (18) is provided with a right deviation sleeve (23).
2. A high transmission efficiency hydraulic pump as defined in claim 1, wherein: one side of the first transmission shaft (4) is fixedly connected with a plunger sleeve (25) through a fine thread, a spring (34) and a plunger (24) are arranged in the plunger sleeve (25), one side of the outer surface of the plunger sleeve (25) is provided with an adapter (26), the bottom end of the plunger sleeve (25) is connected with a second one-way valve (36) through threads, a first one-way valve (27) is arranged at the top of the adapter (26), a first fixed block (28), a second fixed block (29) and a third fixed block (30) are respectively arranged at one side of the peripheral baffle (2), a first sealing ring (31) is arranged on one side of the second transmission shaft (5), and a second sealing ring (32) and a third sealing ring (33) are respectively arranged on one side of the third transmission shaft (6), and a seventh ball bearing (35) is arranged in the plunger (24).
3. A high transmission efficiency hydraulic pump as defined in claim 1, wherein: first transmission shaft (4) are connected for rotating between the one side through first ball bearing (7) and first supporting seat (14), be connected for rotating between the one side of first transmission shaft (4) through second ball bearing (8) and third supporting seat (16).
4. A high transmission efficiency hydraulic pump as defined in claim 1, wherein: the first cylindrical gear (18) is meshed with the second cylindrical gear (19), and the third cylindrical gear (20) is meshed with the fourth cylindrical gear (21).
5. A high transmission efficiency hydraulic pump as defined in claim 1, wherein: one end of the second transmission shaft (5) is rotatably connected with one side of the third fixing block (30), and the third transmission shaft (6) is rotatably connected with the peripheral baffle plates (2).
6. A high transmission efficiency hydraulic pump as defined in claim 2, wherein: be threaded connection between plunger sleeve (25) and adapter (26), be threaded connection between adapter (26) and first check valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384990.9U CN214577668U (en) | 2021-02-20 | 2021-02-20 | Hydraulic pump with high transmission efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120384990.9U CN214577668U (en) | 2021-02-20 | 2021-02-20 | Hydraulic pump with high transmission efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577668U true CN214577668U (en) | 2021-11-02 |
Family
ID=78351149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120384990.9U Expired - Fee Related CN214577668U (en) | 2021-02-20 | 2021-02-20 | Hydraulic pump with high transmission efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198277A (en) * | 2021-12-14 | 2022-03-18 | 浙江工业大学 | Gear drive reciprocating piston pump |
-
2021
- 2021-02-20 CN CN202120384990.9U patent/CN214577668U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198277A (en) * | 2021-12-14 | 2022-03-18 | 浙江工业大学 | Gear drive reciprocating piston pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |