CN214998054U - Hydraulic pump with self-cleaning device - Google Patents
Hydraulic pump with self-cleaning device Download PDFInfo
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- CN214998054U CN214998054U CN202121061819.0U CN202121061819U CN214998054U CN 214998054 U CN214998054 U CN 214998054U CN 202121061819 U CN202121061819 U CN 202121061819U CN 214998054 U CN214998054 U CN 214998054U
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- cleaning device
- hydraulic pump
- sealing plug
- plunger
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Abstract
The utility model relates to a hydraulic pump with automatically cleaning device, include: the self-cleaning device is a self-cleaning device which can clean metal particles in a medium in an inner cavity by changing the original sealing plug into the self-cleaning device, the self-cleaning device consists of a strong magnet and a modified sealing plug, and the strong magnet is arranged in the inner cavity of the modified sealing plug. When metal particles exist in oil liquid in an inner cavity of the hydraulic pump shell, the metal particles are adsorbed when reaching the adsorption range of the strong magnetic magnet along with the flowing of the oil liquid, so that the cleanliness of a working medium of the hydraulic pump is higher, and the self-cleaning of the hydraulic pump is realized. The self-cleaning device is simple to process, easy to realize and stable in performance, can well protect the hydraulic pump, avoids abnormal abrasion of matching surfaces, bearings and the like in the hydraulic pump and blockage of plunger damping holes, improves the effect and prolongs the service life.
Description
Technical Field
The utility model relates to an oblique shaft type plunger hydraulic pump in hydraulic pressure field especially relates to a hydraulic pump with automatically cleaning device.
Background
The inclined plunger hydraulic pump is a pump which changes the volume in a plunger cylinder to suck and discharge liquid by means of the reciprocating motion of a plunger, and is one of positive displacement hydraulic pumps. Compared with other positive displacement hydraulic pumps, gear pumps and vane pumps, the plunger pump has the advantages of high parameter, high efficiency, long service life, more variable forms, capability of using different media, light weight per unit power and the like, and is more and more widely used.
As shown in fig. 1, the conventional oblique plunger hydraulic pump mainly includes a housing 10, a rear cover 20, a main shaft 30, an oil seal 40, a first bearing 50, a second bearing 60, a central shaft 70, a plunger 80, a return plate 90, a port plate 100, a cylinder 110, and a sealing plug 120. In the working process, the valve plate is fixed, the cylinder body is pressed on the valve plate through a mechanical device, the main shaft drives the cylinder body, the plunger and the return plate to rotate together, and the plunger is fixed on the main shaft by the return plate. Because the cylinder body and the main shaft have an angle, and the length of the plunger extending out of the cylinder body is different, when the main shaft rotates, the plunger can have a cycle of extending out of and pushing in the plunger hole every time the main shaft rotates, and the action of absorbing and pressing oil at one time is realized through the change of the sealed cavity. The inclination angle of the valve plate is changed, so that the inclination angle of the cylinder body relative to the main shaft is changed, the working stroke of the plunger can be changed, and the variable of the pump is realized.
The matching precision of the matching surfaces of the parts of the inclined plunger hydraulic pump is high, so the cleanliness of the working medium has great influence on the performance and the reliability of the inclined plunger hydraulic pump. Among various pollutants, solid particles are the most common and most harmful pollutants, especially metal particles, which can cause serious abrasion of a matching surface, blockage occurs between parts with relative displacement, a plunger damping hole is extremely easy to block, and the main sources of the metal particles are as follows: parts are not cleaned completely before assembly, burrs are not removed completely, welding slag in pipelines, pollutants brought by carelessness during repair and the like.
In view of the above-mentioned defects that present oblique axis type plunger hydraulic pump exists, this designer is through continuous research, design to after trial run and improvement repeatedly, establish the utility model discloses that really possesses practical value finally.
Disclosure of Invention
An object of the utility model is to overcome the defect that current oblique axis formula plunger hydraulic pump exists, and provide a hydraulic pump with automatically cleaning device of novel structure, the technical problem that solve makes it can clear away all kinds of pollutants, avoids the part card of relative displacement to pause, thereby the operation is normally suitable for the practicality more.
Another object of the utility model is to overcome the defect that current oblique axis formula plunger hydraulic pump exists, and provide a hydraulic pump that has automatically cleaning device of novel structure, the technical problem that solve makes its working medium's cleanliness higher, and working property is more reliable to be suitable for the practicality more.
Another object of the present invention is to provide a hydraulic pump with a self-cleaning device, which is simple in structure, easy to machine, efficient, and long in service life.
The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. According to the utility model provides a hydraulic pump with self-cleaning device includes casing, back lid, main shaft, oil blanket, first bearing, second bearing, center pin, plunger, return stroke board, valve plate, cylinder body, and it is the self-cleaning device that can clean metal particle in the inner chamber medium with original sealed plug changes into.
The purpose of the utility model and the technical problem to be solved can be further realized by adopting the following technical measures.
The hydraulic pump with the self-cleaning device comprises a strong magnetic magnet and a modified sealing plug, wherein the strong magnetic magnet is arranged in the inner cavity of the modified sealing plug.
In the hydraulic pump with the self-cleaning device, the modified sealing plug is internally provided with a round hole capable of being provided with a strong magnetic magnet.
The hydraulic pump with the self-cleaning device is characterized in that the strong magnetic magnet is composed of two parts, one part is a cylinder which is matched with a round hole of the modified sealing plug, the other part is a disc with the diameter larger than that of the cylinder, and the surface of the disc is not contacted with the surface of the modified sealing plug.
Compared with the prior art, the utility model obvious advantage and beneficial effect have. It has at least the following advantages:
1. the utility model discloses self-cleaning device adopts strong magnetism magnet can adsorb the metal particle in the casing inner chamber fluid, has realized the automatically cleaning of hydraulic pump.
2. The utility model discloses a self-cleaning device realizes self-cleaning function, and the stable performance can play fine guard action to the hydraulic pump, has avoided the jam of unusual wearing and tearing, plunger damping hole of fitting surface and bearing etc. has prolonged life, has improved work efficiency.
3. The utility model discloses processing is simple, simple structure.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is an assembly view of a plunger type hydraulic pump according to the related art.
Fig. 2 is an assembly view of the plunger type hydraulic pump of the present invention.
Fig. 3 is a schematic view of the self-cleaning device of the present invention.
Fig. 4 is a schematic diagram of the strong magnet of the present invention.
Wherein:
10: a housing 20: back cover
30: main shaft 40: oil seal
50: first bearing 60: second bearing
70: center axis 80: plunger piston
90: the return plate 100: valve plate
110: cylinder body
12: self-cleaning device
12-1: strong magnetic magnet 12-2: improved sealing plug
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the hydraulic pump with a self-cleaning device, the specific embodiments, structures, features and effects thereof according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 2, 3 and 4, a hydraulic pump with a self-cleaning device according to a preferred embodiment of the present invention mainly includes: the self-cleaning device comprises a shell 10, a rear cover 20, a main shaft 30, an oil seal 40, a first bearing 50, a second bearing 60, a central shaft 70, a plunger 80, a return plate 90, a valve plate 100, a cylinder body 110 and a self-cleaning device 12 which changes an original sealing plug 120 into a medium capable of cleaning metal particles in an inner cavity, wherein the self-cleaning device 12 consists of a strong magnet 12-1 and a modified sealing plug 12-2, and the strong magnet 12-1 is arranged in the inner cavity of the modified sealing plug 2.
The modified sealing plug 12-2 is internally provided with a round hole which can be provided with a strong magnetic magnet. The strong magnetic magnet 12-1 is composed of two parts, one part is a cylinder which is matched with the round hole of the modified sealing plug 12-2, the other part is a disc with the diameter larger than that of the cylinder, and the surface of the disc is not contacted with the surface of the modified sealing plug 12-2.
When metal particles exist in oil in the inner cavity of the shell, the metal particles are adsorbed when contacting the strong magnetic magnet 12-1 along with the flowing of the oil, so that the self-cleaning of the hydraulic pump is realized.
Therefore, the utility model discloses an inclined shaft formula plunger hydraulic pump can realize self-cleaning function, realizes that self-cleaning function's device processing is simple, easily realize, the stable performance, can play fine guard action to the hydraulic pump, has avoided the unusual wearing and tearing of fitting surface and bearing etc., the jam of plunger damping hole etc..
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a hydraulic pump with self-cleaning device includes casing (10), back lid (20), main shaft (30), oil blanket (40), first bearing (50), second bearing (60), center pin (70), plunger (80), return stroke board (90), valve plate (100), cylinder body (110), its characterized in that: the self-cleaning device (12) is capable of cleaning metal particles in a medium in the cavity, the self-cleaning device (12) is composed of a strong magnetic magnet (12-1) and a modified sealing plug (12-2), and the strong magnetic magnet (12-1) is arranged in the cavity of the modified sealing plug (12-2).
2. A hydraulic pump with self-cleaning device, as claimed in claim 1, wherein said modified sealing plug (12-2) has a circular hole therein capable of holding a strong magnetic magnet (12-1).
3. A hydraulic pump with self-cleaning device according to any one of claims 1-2, wherein the strong magnetic magnet (12-1) is formed of a cylindrical body which is fitted into the circular hole of the modified sealing plug (12-2), and a disc having a diameter larger than that of the cylindrical body which is not in contact with the surface of the modified sealing plug (12-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061819.0U CN214998054U (en) | 2021-05-18 | 2021-05-18 | Hydraulic pump with self-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061819.0U CN214998054U (en) | 2021-05-18 | 2021-05-18 | Hydraulic pump with self-cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214998054U true CN214998054U (en) | 2021-12-03 |
Family
ID=79132391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121061819.0U Active CN214998054U (en) | 2021-05-18 | 2021-05-18 | Hydraulic pump with self-cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214998054U (en) |
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2021
- 2021-05-18 CN CN202121061819.0U patent/CN214998054U/en active Active
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