CN219974982U - Anti-reverse valve plate of servo motor system - Google Patents
Anti-reverse valve plate of servo motor system Download PDFInfo
- Publication number
- CN219974982U CN219974982U CN202320249865.6U CN202320249865U CN219974982U CN 219974982 U CN219974982 U CN 219974982U CN 202320249865 U CN202320249865 U CN 202320249865U CN 219974982 U CN219974982 U CN 219974982U
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- Prior art keywords
- valve
- servo motor
- motor system
- valve sleeve
- sleeve
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 150000001768 cations Chemical class 0.000 claims abstract description 6
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses an anti-reversion valve plate of a servo motor system, which comprises a valve block main body, wherein two outer valve sleeves are arranged on the valve block main body, a sealing plug is connected to the opening of the head end of each outer valve sleeve, an inner valve sleeve is arranged inside each outer valve sleeve, and a plunger main body is arranged inside the upper end of each inner valve sleeve. This servo motor system prevents reverse rotation valve plate, through the valve core, when the case reciprocates like this, reset spring can reset the case, and the cation protective layer can avoid long-time friction to cause the damage to reset spring, play fine guard action, and make the plunger main part extremely small with the gap between the inner valve cover inner wall through the sealing washer, thereby make the plunger main part can not move the bullet easily inside the valve pocket, improve the fastness, not only can keep spacing to the inner valve cover through anti-sticking dead spring at last, simultaneously can be when dismantling the sealing plug, because exert thrust to the inner valve cover all the time, thereby play fine anti-sticking dead effect.
Description
Technical Field
The utility model relates to the technical field of anti-reversion, in particular to an anti-reversion valve plate of a servo motor system.
Background
The anti-reverse valve is an important component of the swing motor of the excavator, and has the main function of preventing the reverse rotation of the motor caused by inertial impact when the swing motor stops rotating, thereby ensuring the swing motor to work stably.
When the valve core in the existing anti-reverse valve operates for a long time, friction can be generated between the valve core and a conical spring, so that the spring is damaged irreversibly, normal operation of the valve core is affected, and connection tightness between the plunger and the inner valve sleeve is poor.
Accordingly, in view of the above, research and improvement have been made to solve the conventional structure and drawbacks, and a servo motor system anti-reverse valve plate has been proposed.
Disclosure of Invention
The utility model aims to provide an anti-reversion valve plate of a servo motor system, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the valve block comprises a valve block main body, two outer valve sleeves are arranged on the valve block main body, a sealing plug is connected to the opening of the head end of each outer valve sleeve, an inner valve sleeve is arranged inside each outer valve sleeve, a plunger main body is arranged inside the upper end of each inner valve sleeve, an anti-jamming spring is connected between each inner valve sleeve and each outer valve sleeve, and a valve core is arranged at the bottom end of each outer valve sleeve.
Preferably, the anti-seize spring always applies a pushing force to the inner valve sleeve, and the anti-seize spring is sleeved outside the inner valve sleeve.
Preferably, the sealing plug is in threaded engagement with the outer valve sleeve and the sealing plug is in intimate contact with the plunger body.
Preferably, the outer wall of the plunger main body is tightly adhered with a sealing ring, and the sealing ring is adhered with the inner wall of the inner valve sleeve.
Preferably, the valve core part comprises a valve core positioned in the outer valve sleeve, a return spring is sleeved outside the valve core main body, the return spring is fixedly butted with the inner wall of the valve block main body and the valve core, and the outer wall of the valve core is coated with a cation protective layer.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the valve core part, when the valve core moves up and down, the return spring can reset the valve core, and the cation protective layer can avoid damage to the return spring caused by long-time friction, so that a good protective effect is achieved.
2. The utility model can play a role in positioning the inner valve sleeve through the sealing plug, and the plunger main body is fixed in the inner valve sleeve and can play a role in dust prevention, so that the utility model is very good for use.
3. The anti-seizing spring can not only keep the limit on the inner valve sleeve, but also exert thrust force on the inner valve sleeve all the time when the sealing plug is disassembled, thereby playing a good role in anti-seizing.
Drawings
FIG. 1 is a schematic diagram of the overall internal structure of an anti-reverse valve plate of a servo motor system according to the present utility model;
FIG. 2 is a schematic diagram of a valve core of an anti-reverse valve plate of a servo motor system according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of the anti-reverse valve plate of the servo motor system in fig. 1 at a position a.
In the figure: 1. a valve block body; 2. an outer valve sleeve; 3. an inner valve sleeve; 4. an anti-seize spring; 5. a sealing plug; 6. a plunger body; 7. a seal ring; 8. a valve core; 801. a valve core; 802. a cationic protective layer; 803. and a return spring.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the valve block comprises a valve block main body 1, two outer valve sleeves 2 are arranged on the valve block main body 1, a sealing plug 5 is connected to the opening of the head end of each outer valve sleeve 2, an inner valve sleeve 3 is arranged inside each outer valve sleeve 2, a plunger main body 6 is arranged inside the upper end of each inner valve sleeve 3, an anti-blocking spring 4 is connected between each inner valve sleeve 3 and each outer valve sleeve 2, and a valve core 8 is arranged at the bottom end of each outer valve sleeve 2.
Specifically, the anti-jamming spring 4 always applies thrust to the inner valve sleeve 3, and the anti-jamming spring 4 is sleeved outside the inner valve sleeve 3, so that the inner valve sleeve 3 can be kept limited through the anti-jamming spring 4, and meanwhile, when the sealing plug 5 is detached, the inner valve sleeve 3 is always applied with thrust, so that a good anti-jamming effect is achieved.
Specifically, the sealing plug 5 is in threaded butt joint with the outer valve sleeve 2, and the sealing plug 5 is in close contact with the plunger main body 6, so that the inner valve sleeve 3 can be positioned through the sealing plug 5, the plunger main body 6 is fixed to the inner valve sleeve 3, and meanwhile, the dustproof effect can be achieved, and the novel valve is very good to use.
Specifically, the outer wall of the plunger main body 6 is tightly adhered with the sealing ring 7, the sealing ring 7 is adhered with the inner wall of the inner valve sleeve 3, and the gap between the plunger main body 6 and the inner wall of the inner valve sleeve 3 is extremely small through the sealing ring 7, so that the plunger main body 6 cannot easily flick in the inner valve sleeve 3, and the firmness is improved.
Specifically, the valve core portion 8 includes a valve core 801 located inside the outer valve sleeve 2, and a return spring 803 is sleeved outside the valve core 801, the return spring 803 is fixedly abutted with the inner wall of the valve block main body 1 and the valve core 801, and the outer wall of the valve core 801 is coated with a cation protection layer 802, so that when the valve core 801 moves up and down, the return spring 803 resets the valve core 801, and the cation protection layer 802 can avoid damage to the return spring 803 caused by long-time friction, so that a good protection effect is achieved.
Working principle: when the anti-reversion valve plate of the servo motor system is designed, when the valve core 801 moves up and down, the reset spring 803 can reset the valve core 801, the cationic protection layer 802 can avoid damage to the reset spring 803 caused by long-time friction, a good protection effect is achieved, the inner valve sleeve 3 can be kept limited through the anti-jamming spring 4, meanwhile, when the sealing plug 5 is detached, a good anti-jamming effect is achieved due to the fact that the inner valve sleeve 3 is always applied with thrust, the inner valve sleeve 3 can be positioned through the sealing plug 5, the plunger main body 6 is fixed to the inner portion of the inner valve sleeve 3, meanwhile, a dustproof effect is achieved, the anti-reversion valve plate is very good, finally, a gap between the plunger main body 6 and the inner wall of the inner valve sleeve 3 is extremely small through the sealing ring 7, so that the plunger main body 6 cannot easily bounce inside the inner valve sleeve 3, and firmness is improved.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. The utility model provides a servo motor system anti-reverse valve plate, includes valve piece main part (1), its characterized in that, be equipped with two outer valve pockets (2) on valve piece main part (1), the head end opening part of outer valve pockets (2) is connected with sealing plug (5), the inside interior valve pocket (3) that is equipped with of outer valve pocket (2), the inside plunger main part (6) that is equipped with of upper end of interior valve pocket (3), and be connected with anti-lock spring (4) between interior valve pocket (3) and outer valve pocket (2), the inside bottom position of outer valve pocket (2) is equipped with valve core (8), valve core (8) are including being located the inside case (801) of outer valve pocket (2), and the outside cover of case (801) has reset spring (803), reset spring (803) are fixed with valve piece main part (1) inner wall and case (801) and dock, and the outer wall of case (801) scribbles cation protective layer (802).
2. A servo motor system anti-reverse valve plate according to claim 1, characterized in that the anti-seize spring (4) always applies a pushing force to the inner valve sleeve (3), and the anti-seize spring (4) is sleeved outside the inner valve sleeve (3).
3. A servo motor system anti-reverse valve plate according to claim 1, characterized in that the sealing plug (5) is in threaded abutment with the outer valve sleeve (2) and the sealing plug (5) is in close contact with the plunger body (6).
4. A servo motor system anti-reverse valve plate according to claim 1, wherein the outer wall of the plunger body (6) is tightly adhered with a sealing ring (7), and the sealing ring (7) is adhered to the inner wall of the inner valve sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320249865.6U CN219974982U (en) | 2023-02-20 | 2023-02-20 | Anti-reverse valve plate of servo motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320249865.6U CN219974982U (en) | 2023-02-20 | 2023-02-20 | Anti-reverse valve plate of servo motor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974982U true CN219974982U (en) | 2023-11-07 |
Family
ID=88596603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320249865.6U Active CN219974982U (en) | 2023-02-20 | 2023-02-20 | Anti-reverse valve plate of servo motor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974982U (en) |
-
2023
- 2023-02-20 CN CN202320249865.6U patent/CN219974982U/en active Active
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