CN210164585U - Long service life's swash plate pump - Google Patents
Long service life's swash plate pump Download PDFInfo
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- CN210164585U CN210164585U CN201920880108.2U CN201920880108U CN210164585U CN 210164585 U CN210164585 U CN 210164585U CN 201920880108 U CN201920880108 U CN 201920880108U CN 210164585 U CN210164585 U CN 210164585U
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- swash plate
- pump
- installation shell
- servo motor
- service life
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Abstract
The utility model discloses a long service life's swash plate pump, including the installation shell, fixed mounting has servo motor in the installation shell, servo motor's output fixed mounting has the drive shaft, and servo motor's one end fixed mounting is kept away from to the drive shaft has the swash plate, and the one end fixed mounting of installation shell has the pump body, is connected with into oil pipe and play oil pipe on the pump body, and the one end that the pump body is close to the installation shell is connected with the hydraulic block, and the hydraulic block keeps away from the one end of the pump body and inserts and establish in the installation shell, evenly is connected with the plunger of three and the mutual complex of swash. The utility model discloses in all be connected with thrust bearing of mutually supporting on drive shaft and swash plate, the axial effort that can be used for bearing the production when the swash plate is rotatory and the plunger inhales, extrudes to can prevent that swash plate and drive shaft from being damaged, not only improve the result of use of swash plate pump, also prolonged the life of swash plate pump.
Description
Technical Field
The utility model relates to a swash plate pump technical field especially relates to a long service life's swash plate pump.
Background
The high-pressure cleaning machine pump body in the market at present is various in variety, mainly comprises a single plunger and a plurality of plungers, and the multi-plunger structure has started to gradually replace the single plunger structure to become the market leading product due to the characteristics of high pressure, large flow, stable pressure and the like.
The swash plate pump is characterized in that a plunger applies pressure on a single point of a swash plate, so that the swash plate and a driving shaft bear large axial force, the swash plate and the driving shaft are easily damaged, the service life of the swash plate pump is shortened, and the swash plate pump needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the swash plate and the drive shaft of the swash plate pump are damaged easily due to bearing large axial acting force in the prior art, and providing a swash plate pump with long service life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a long-service life swash plate pump comprises an installation shell, a servo motor is fixedly installed in the installation shell, the output end of the servo motor is fixedly provided with a driving shaft, one end of the driving shaft far away from the servo motor is fixedly provided with a swash plate, one end of the mounting shell is fixedly provided with a pump body, the pump body is connected with an oil inlet pipe and an oil outlet pipe, one end of the pump body close to the mounting shell is connected with a hydraulic block, and one end of the hydraulic block far away from the pump body is inserted in the installation shell, the hydraulic block is uniformly connected with three plungers matched with the swash plate, the three plungers are all detachably provided with movable blocks matched with the swash plate, one ends of the three plungers close to the swash plate are commonly connected with a sliding gasket, and one side of the hydraulic block, which is close to the sliding washer, is provided with a positioning device which is matched with the sliding washer.
Preferably, a first thrust bearing is fixedly installed in the servo motor, and one end of the driving shaft close to the servo motor is fixedly connected to the first thrust bearing.
Preferably, a second thrust bearing matched with the swash plate is fixedly installed in the installation shell, and one end, far away from the driving shaft, of the swash plate is fixedly connected to the second thrust bearing.
Preferably, the three movable blocks are respectively in threaded connection with the three plungers, and one ends of the movable blocks, which are close to the swash plate, are all spherical surfaces.
Preferably, the positioning device comprises a movable rod movably inserted on the hydraulic block, a return spring is uniformly wound on the outer side wall of the movable rod, two ends of the return spring are respectively and fixedly mounted on the outer side walls of the hydraulic block and the movable rod, a steel ball is fixedly mounted at the position of an axle center of the sliding gasket, which is close to one side of the movable rod, and the steel ball is rotatably mounted on the movable rod.
Compared with the prior art, the utility model discloses there is following beneficial effect:
1. the driving shaft and the swash plate are connected with thrust bearings which are matched with each other, and the thrust bearings can be used for bearing axial acting force generated when the swash plate rotates and a plunger sucks and extrudes, so that the swash plate and the driving shaft can be prevented from being damaged, the using effect of the swash plate pump is improved, and the service life of the swash plate pump is prolonged;
2. simple structure, convenient operation, the equal demountable installation of one end that is close to the swash plate at three plunger has the movable block of mutually supporting with the swash plate, can be convenient when wearing and tearing appear in the movable block change the movable block, reasonable in design, excellent in practical effect.
Drawings
FIG. 1 is a side sectional view of a swash plate pump with a long service life according to the present invention;
fig. 2 is a schematic front structural view of a partial structure of a swash plate pump with a long service life according to the present invention;
fig. 3 is an enlarged view of a portion a of the swash plate pump of the present invention.
In the figure: the device comprises a mounting shell 1, a servo motor 2, a driving shaft 3, a swash plate 4, a first thrust bearing 5, a second thrust bearing 6, a pump body 7, an oil inlet pipe 8, an oil outlet pipe 9, a hydraulic block 10, a plunger 11, a movable block 12, a sliding gasket 13, a movable rod 14, a return spring 15 and a steel ball 16.
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.
Referring to fig. 1-3, a swash plate pump with long service life includes an installation housing 1, a servo motor 2 is fixedly installed in the installation housing 1, a drive shaft 3 is fixedly installed at an output end of the servo motor 2, a swash plate 4 is fixedly installed at one end of the drive shaft 3 far away from the servo motor 2, a first thrust bearing 5 is fixedly installed in the servo motor 2, one end of the drive shaft 3 near the servo motor 2 is fixedly connected to the first thrust bearing 5, the first thrust bearing 5 is installed in the servo motor 2 and can be used for supporting an axial load generated by the swash plate 4 during rotation, a second thrust bearing 6 mutually matched with the swash plate 4 is fixedly installed in the installation housing 1, one end of the swash plate 4 far away from the drive shaft 3 is fixedly connected to the second thrust bearing 6 and can be used for bearing the rotation of the swash plate 4, and a plunger 11 sucks in and extrudes to generate an axial thrust, thereby preventing the swash plate 4 and the driving shaft 3 from being damaged, not only improving the use effect of the swash plate pump, but also prolonging the service life of the swash plate pump.
The one end fixed mounting of installation shell 1 has the pump body 7, be connected with on the pump body 7 and advance oil pipe 8 and go out oil pipe 9, the one end that the pump body 7 is close to installation shell 1 is connected with hydraulic block 10, and hydraulic block 10 keeps away from the one end of the pump body 7 and inserts and establish in installation shell 1, evenly be connected with three plunger 11 with 4 mutually supporting of swash plate on the hydraulic block 10, all demountable installation has the movable block 12 with 4 mutually supporting of swash plate on the three plunger 11, three movable block 12 is threaded connection respectively on three plunger 11, and the one end that movable block 12 is close to 4 of swash plate is the sphere, avoid plunger 11 direct and 4 mutually supporting of swash plate, and can be convenient when wearing and tearing appear at movable block 12 change movable block 12, and reasonable design, good practical effect.
One end of each plunger 11, which is close to the swash plate 4, is connected with a sliding gasket 13, so that the three plungers 11 can be connected to move simultaneously, and the working stability of the swash plate pump is improved.
One side that hydraulic block 10 is close to slip packing ring 13 is equipped with the positioner who mutually supports with slip packing ring 13, positioner is including the movable rod 14 that movably inserts and establish on hydraulic block 10, the lateral wall mountain of movable rod 14 evenly is around being equipped with reset spring 15, and reset spring 15's both ends respectively fixed mounting on the lateral wall of hydraulic block 10 and movable rod 14, slip packing ring 13 is close to axle center department fixed mounting on one side of movable rod 14 has steel ball 16, and steel ball 16 rotates and installs on movable rod 14, reset spring 15 can use promotion movable rod 14 to compress tightly steel ball 16 and slip packing ring 13 all the time owing to resume self elasticity, thereby make slip packing ring 13 keep central point all the time when swash plate 4 rotates, reasonable in design, swash plate pump job stabilization, long service life.
The utility model discloses in, during the horizontal straight reciprocating motion of three plunger 11, sliding washer 13 can drive three plunger 11 and remove jointly, has promoted the stability of sloping cam plate pump work, and reset spring 15 can use promotion movable rod 14 to compress tightly steel ball 16 and sliding washer 13 all the time owing to resume self elasticity to make sliding washer 13 remain throughout at central point when swash plate 4 rotates and put.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A long service life's swash plate pump, includes installation shell (1), its characterized in that: the hydraulic oil pump is characterized in that a servo motor (2) is fixedly installed in the installation shell (1), a drive shaft (3) is fixedly installed at the output end of the servo motor (2), a swash plate (4) is fixedly installed at one end, far away from the servo motor (2), of the drive shaft (3), a pump body (7) is fixedly installed at one end of the installation shell (1), an oil inlet pipe (8) and an oil outlet pipe (9) are connected onto the pump body (7), a hydraulic block (10) is connected to one end, close to the installation shell (1), of the pump body (7), one end, far away from the pump body (7), of the hydraulic block (10) is inserted into the installation shell (1), three plungers (11) matched with the swash plate (4) are uniformly connected onto the hydraulic block (10), and movable blocks (12) matched with the swash plate (4) are detachably installed on the plungers (11), and one ends of the three plungers (11) close to the swash plate (4) are connected with sliding gaskets (13) together, and one side of the hydraulic block (10) close to the sliding gaskets (13) is provided with a positioning device matched with the sliding gaskets (13).
2. A swash plate pump having a long service life according to claim 1, wherein: a first thrust bearing (5) is fixedly mounted in the servo motor (2), and one end, close to the servo motor (2), of the driving shaft (3) is fixedly connected to the first thrust bearing (5).
3. A swash plate pump having a long service life according to claim 1, wherein: and a second thrust bearing (6) matched with the swash plate (4) is fixedly arranged in the mounting shell (1), and one end of the swash plate (4) far away from the driving shaft (3) is fixedly connected onto the second thrust bearing (6).
4. A swash plate pump having a long service life according to claim 1, wherein: the three movable blocks (12) are respectively in threaded connection with the three plungers (11), and one ends, close to the swash plate (4), of the movable blocks (12) are spherical surfaces.
5. A swash plate pump having a long service life according to claim 1, wherein: the positioning device comprises a movable rod (14) movably inserted on the hydraulic block (10), the outer side wall mountain of the movable rod (14) is uniformly wound with a return spring (15), two ends of the return spring (15) are respectively and fixedly installed on the outer side walls of the hydraulic block (10) and the movable rod (14), a steel ball (16) is fixedly installed at the position, close to the axis of one side of the movable rod (14), of the sliding gasket (13), and the steel ball (16) is rotatably installed on the movable rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920880108.2U CN210164585U (en) | 2019-06-12 | 2019-06-12 | Long service life's swash plate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920880108.2U CN210164585U (en) | 2019-06-12 | 2019-06-12 | Long service life's swash plate pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164585U true CN210164585U (en) | 2020-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920880108.2U Active CN210164585U (en) | 2019-06-12 | 2019-06-12 | Long service life's swash plate pump |
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| Country | Link |
|---|---|
| CN (1) | CN210164585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032009A (en) * | 2020-09-17 | 2020-12-04 | 上海交通大学 | Valve flow distribution axial plunger pump |
-
2019
- 2019-06-12 CN CN201920880108.2U patent/CN210164585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032009A (en) * | 2020-09-17 | 2020-12-04 | 上海交通大学 | Valve flow distribution axial plunger pump |
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