CN219711778U - Novel power valve for hydraulic pump - Google Patents
Novel power valve for hydraulic pump Download PDFInfo
- Publication number
- CN219711778U CN219711778U CN202321216223.2U CN202321216223U CN219711778U CN 219711778 U CN219711778 U CN 219711778U CN 202321216223 U CN202321216223 U CN 202321216223U CN 219711778 U CN219711778 U CN 219711778U
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- valve
- oil outlet
- port
- oil
- valve core
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- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 abstract description 68
- 239000010720 hydraulic oil Substances 0.000 abstract description 17
- 125000006850 spacer group Chemical group 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model relates to the field of power control of hydraulic plunger pumps, and discloses a novel power valve for a hydraulic pump, which comprises a valve sleeve, wherein an electromagnet is fixedly connected to one side of the interior of the valve sleeve, a valve core is slidably connected to the other side of the interior of the valve sleeve, a spring is sleeved on one side of the periphery of the valve core, a separation ring is fixedly connected to the middle of the valve core, the separation ring and the valve core are integrally cast and formed, an oil outlet C port, an oil inlet P port and an oil outlet T port are sequentially formed in the inner edge of the valve sleeve from left to right, an oil outlet groove I is formed in the left side of the periphery of the valve core, an oil outlet groove II is formed in the right side of the periphery of the valve core, the separation ring is arranged in the middle of the oil inlet P port, and the separation ring is positioned between the oil outlet groove I and the oil outlet groove II. According to the novel power valve, the position of the valve core in the valve sleeve can be conveniently and smoothly adjusted, so that the power valve can ensure the characteristics of smooth sliding, stable power curve and high repeatability when hydraulic oil enters the valve body.
Description
Technical Field
The utility model relates to the field of power control of hydraulic plunger pumps, in particular to a novel power valve for a hydraulic pump.
Background
The hydraulic pump is driven by an engine or a motor, and the mechanical energy is converted into hydraulic energy by the power element of the hydraulic system, and the hydraulic oil is sucked into the pump body and then pressurized and discharged to achieve the purpose of driving.
At present, when most power valves for hydraulic pumps are regulated, the valve core in the valve body is limited by the lengths of the valve core and the valve sleeve during movement regulation, the valve core is not smooth enough during movement switching in the valve sleeve, and at the same time, when the valve core is switched in a reciprocating mode, the valve core cannot stably move in the valve sleeve, so that the change of a power curve of the power valve during operation is not smooth enough, and therefore, the novel power valve for the hydraulic pump is provided.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a novel power valve for a hydraulic pump.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel power valve for hydraulic pump, includes the valve pocket, the inside one side fixedly connected with electro-magnet of valve pocket, the inside opposite side sliding connection of valve pocket has the case, case periphery one side cover is equipped with the spring, case middle part fixedly connected with spacer ring, integrative cast shaping between spacer ring and the case, valve pocket inside edge has from left to right set gradually out oily C mouth, advances oil P mouth and play oily T mouth, case periphery left side is provided with out oil groove one, case periphery right side is provided with out oil groove two.
As a further description of the above technical solution:
and two ends of the spring are respectively arranged between the right side of the valve core and the inner wall of the middle part of the valve sleeve.
As a further description of the above technical solution:
the separating ring is arranged in the middle of the oil inlet P port and is positioned between the first oil outlet groove and the second oil outlet groove.
As a further description of the above technical solution:
the oil inlet P port, the oil outlet C port and the oil outlet T port are communicated with the inside of the valve sleeve.
As a further description of the above technical solution:
the periphery of the separation ring is attached to the inner wall of the valve sleeve, and the periphery of the valve core is attached to the inner wall of the valve sleeve.
As a further description of the above technical solution:
the oil outlet C and the oil inlet P are communicated through an oil outlet groove I.
As a further description of the above technical solution:
and the oil outlet T port is communicated with the oil inlet P port through the oil outlet groove II.
The utility model has the following beneficial effects:
according to the novel power valve for the hydraulic pump, through the matching of the electromagnet, the valve core, the spring, the valve sleeve, the separation ring, the first oil outlet groove and the second oil outlet groove, the position of the valve core in the valve sleeve can be conveniently and smoothly adjusted, and when hydraulic oil enters the valve body, the power valve can ensure the characteristics of smooth sliding, stable power curve and high repeatability.
Drawings
FIG. 1 is a cross-sectional view of a valve housing of a novel power valve for a hydraulic pump according to the present utility model;
fig. 2 is a schematic diagram of a valve core structure of a novel power valve for a hydraulic pump according to the present utility model.
Legend description:
1. an electromagnet; 2. a spring; 3. a valve core; 4. a valve sleeve; 5. an oil inlet P port; 6. an oil outlet C; 7. an oil outlet T port; 8. a spacer ring; 9. an oil outlet groove I; 10. and a second oil outlet groove.
Detailed Description
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.
Referring to fig. 1-2, one embodiment provided by the present utility model is: the utility model provides a novel power valve for hydraulic pump, including valve pocket 4, valve pocket 4 inside one side fixedly connected with electro-magnet 1, valve pocket 4 inside opposite side sliding connection has case 3, case 3 periphery one side cover is equipped with spring 2, through electro-magnet 1 and the cooperation of spring 2, realize the position of quick stable switching case 3, make novel power valve switch more smooth, and repeated switching nature is higher, case 3 middle part fixedly connected with spacer ring 8, the integral casting shaping between spacer ring 8 and the case 3, valve pocket 4 inside edge has from left to right set gradually out oily C mouth 6 from left to right, advance oily P mouth 5 and play oily T mouth 7, when novel power valve is normally used, electro-magnet 1 is in the non-energized state, at this moment spring 2 resets and can promote the right side of case 3, thereby drive case 3 and slide to the right along the inner wall of valve pocket 4, the valve core 3 drives the separating ring 8 to move rightwards in the valve sleeve 4, so that the separating ring 8 can move to the right side in the oil inlet P port 5, at the moment, the right side of the separating ring 8 is in fit sealing with the inner wall of the valve sleeve 4, the left side of the separating ring 8 is positioned in the oil inlet P port 5, when hydraulic oil enters the valve sleeve 4 from the oil inlet P port 5, the hydraulic oil can be separated by the separating ring 8, so that the hydraulic oil can enter the first oil outlet groove 9 along a gap between the oil inlet P port 5 and the separating ring 8, then the hydraulic oil enters the first oil outlet groove 9 and is discharged from the first oil outlet groove 6, the left side of the periphery of the valve core 3 is provided with the first oil outlet groove 9, the right side of the periphery of the valve core 3 is provided with the second oil outlet groove 10, when the valve core 3 is switched, the electromagnet 1 can push the valve core 3 to move leftwards through a repulsive effect, so that the valve core 3 moves and compresses the spring 2, meanwhile, the separating ring 8 on the valve core 3 can move from the middle right side to the middle left side in the oil inlet P port 5, at the moment, the left side of the separating ring 8 is bonded and sealed with the inner wall of the valve sleeve 4, so that hydraulic oil entering from the oil inlet P port 5 can enter the oil outlet groove II 10 through the separating ring 8 and is discharged from the oil outlet groove II 10, when the working state of the power valve is switched, the position of the valve core 3 can be switched conveniently and smoothly only by controlling the opening and closing of the electromagnet 1 and then matching with the reset motion of the spring 2, and the power curve change stability of the novel power valve is ensured, and the repeated switching performance is higher.
The spring 2 both ends set up respectively between case 3 right side and valve pocket 4 middle part inner wall, the elasticity that is produced through the extrusion of spring 2, can realize quick convenient switch valve case 3, guarantee novel power valve's power curve change stability, spacer ring 8 sets up at oil feed P mouth 5 middle part, spacer ring 8 is located between oil groove one 9 and the oil groove two 10, through the position change between spacer ring 8 and the oil feed P mouth 5 of control hydraulic oil entering oil groove one 9 or get into the inside of oil groove two 10, realize the quick switch of power, oil feed P mouth 5, oil C mouth 6 and oil T mouth 7 inside all communicate with valve pocket 4 inside, hydraulic oil gets into valve pocket 4 inside through oil feed P mouth 5, afterwards control hydraulic oil is discharged from oil T mouth 7 or is discharged from oil C mouth 6 according to the operation control hydraulic pump, guarantee power valve operation's stability, spacer ring 8 periphery and valve pocket 4 inner wall laminating mutually, valve case 3 periphery and valve pocket 4 inner wall are linked together, make the inside hydraulic oil can be blocked by spacer ring 8, guarantee hydraulic oil and can only be towards the inside of oil groove one or get into the inside of oil groove one 7 to get into the oil groove one through the power C mouth 6, the power C mouth 7 is gone out through the power C mouth 6, the power is gone out through the valve is gone into to the power C mouth 6 to the power C mouth is gone into to the power C6, the steady state is gone out through the oil pump, thereby the power valve is guaranteed to the power between the oil valve is had, and the stability is discharged through the power C is had, the power between the valve is had, and the power is guaranteed to the power between the valve is stable, and the valve is opened.
Working principle: when the novel power valve is normally used, the electromagnet 1 is in a non-electrified state, the spring 2 resets and can push the right side of the valve core 3, thereby the valve core 3 is driven to slide rightwards along the inner wall of the valve sleeve 4, and then the separating ring 8 is driven to move rightwards inside the valve sleeve 4 by the valve core 3, so that the separating ring 8 can move to the right side inside the oil inlet P port 5, the right side of the separating ring 8 and the inner wall of the valve sleeve 4 are attached and sealed, the left side of the separating ring 8 is positioned inside the oil inlet P port 5, when hydraulic oil enters the valve sleeve 4 from the oil inlet P port 5, the hydraulic oil can be separated by the separating ring 8, so that the hydraulic oil can enter the first oil outlet groove 9 along a gap between the oil inlet P port 5 and the separating ring 8, then enters the first oil outlet groove 9, and is discharged, when the electromagnet 1 is started, the electromagnet 1 can push the valve core 3 to move leftwards by a repulsive effect, so that the valve core 3 moves and compresses the spring 2, meanwhile, the left side of the separating ring 8 can move rightwards inside the oil inlet P port 5, the left side of the separating ring 8 is positioned inside the oil inlet P port 5, when hydraulic oil enters the valve sleeve 4 from the inner wall 5, the inner wall is attached and the inner wall of the valve sleeve 4 is more stable, the power can be controlled by the two-phase change valve, and the power can be controlled by the two-change valve core 10, and the power can be more conveniently and the two-phase change valve is realized, and the power can be easily and the two-phase change valve is easily and the power-changed through the two-phase valve through the two-change valve, and the power valve through the switching valve and the two-phase valve.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a novel power valve for hydraulic pump, includes valve pocket (4), its characterized in that: the novel valve sleeve is characterized in that an electromagnet (1) is fixedly connected to one side of the interior of the valve sleeve (4), a valve core (3) is slidably connected to the other side of the interior of the valve sleeve (4), a spring (2) is sleeved on one side of the periphery of the valve core (3), a separation ring (8) is fixedly connected to the middle of the valve core (3), the separation ring (8) and the valve core (3) are integrally cast and formed, an oil outlet C port (6), an oil inlet P port (5) and an oil outlet T port (7) are sequentially formed in the inner edge of the valve sleeve (4) from left to right, an oil outlet groove I (9) is formed in the left side of the periphery of the valve core (3), and an oil outlet groove II (10) is formed in the right side of the periphery of the valve core (3).
2. The novel power valve for a hydraulic pump according to claim 1, wherein: the two ends of the spring (2) are respectively arranged between the right side of the valve core (3) and the inner wall of the middle part of the valve sleeve (4).
3. The novel power valve for a hydraulic pump according to claim 1, wherein: the separation ring (8) is arranged in the middle of the oil inlet P port (5), and the separation ring (8) is positioned between the first oil outlet groove (9) and the second oil outlet groove (10).
4. The novel power valve for a hydraulic pump according to claim 1, wherein: the oil inlet P port (5), the oil outlet C port (6) and the oil outlet T port (7) are communicated with the valve sleeve (4).
5. The novel power valve for a hydraulic pump according to claim 1, wherein: the periphery of the separation ring (8) is attached to the inner wall of the valve sleeve (4), and the periphery of the valve core (3) is attached to the inner wall of the valve sleeve (4).
6. The novel power valve for a hydraulic pump according to claim 1, wherein: the oil outlet C port (6) is communicated with the oil inlet P port (5) through the first oil outlet groove (9).
7. The novel power valve for a hydraulic pump according to claim 1, wherein: the oil outlet T port (7) is communicated with the oil inlet P port (5) through the oil outlet groove II (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321216223.2U CN219711778U (en) | 2023-05-19 | 2023-05-19 | Novel power valve for hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321216223.2U CN219711778U (en) | 2023-05-19 | 2023-05-19 | Novel power valve for hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711778U true CN219711778U (en) | 2023-09-19 |
Family
ID=87997493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321216223.2U Active CN219711778U (en) | 2023-05-19 | 2023-05-19 | Novel power valve for hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711778U (en) |
-
2023
- 2023-05-19 CN CN202321216223.2U patent/CN219711778U/en active Active
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