CN214008151U - Multifunctional pneumatic control valve - Google Patents
Multifunctional pneumatic control valve Download PDFInfo
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- CN214008151U CN214008151U CN202022542453.0U CN202022542453U CN214008151U CN 214008151 U CN214008151 U CN 214008151U CN 202022542453 U CN202022542453 U CN 202022542453U CN 214008151 U CN214008151 U CN 214008151U
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Abstract
The utility model discloses a multifunctional pneumatic control valve, which comprises a valve body, wherein the interior of the valve body is a cavity, and a valve component, a valve seat, a gland, a valve rod and a sealing cover are arranged in the cavity of the valve body; the valve rod and the valve component form an input cavity A; the valve seat and the valve component form an exhaust cavity B; the valve rod, the valve seat and the gland form an output cavity C; the sealing cover and the valve rod form a control cavity D; a first ventilation port A1, a second ventilation port A2, a third ventilation port A3 and a fourth ventilation port A4 are arranged outside the valve body, and the four ventilation ports are relatively independent; the input cavity A, the exhaust cavity B, the output cavity C and the control cavity D are independently connected with a ventilation interface. The input port, the output port and the exhaust port of the multifunctional pneumatic control valve can be replaced mutually, so that various working conditions are met, and the waste of product type selection in the pneumatic brake system is effectively avoided. And the utility model discloses the case of multi-functional gas accuse valve adopts the piston, switches rapidly, and the reaction is sensitive.
Description
Technical Field
The utility model relates to a pneumatic system field especially relates to a multi-functional gas accuse valve.
Background
The existing air inlet, the output port and the exhaust port of the air control valve cannot be replaced with each other, only one air path hole can be used as the air inlet, the novel multifunctional air control valve can support any one air path hole to be used as the input port, various working conditions in an air path braking system are supported, and the universal type is strong.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at is not enough to prior art, provides a multi-functional gas accuse valve of plate-type installation, satisfies multiple operating mode, supports different gas circuit holes as the input port.
The purpose of the utility model is realized through the following technical scheme: a multifunctional pneumatic control valve comprises a valve body, wherein the interior of the valve body is a cavity, and a valve component, a valve seat, a gland, a valve rod and a seal cover are arranged in the cavity of the valve body;
the valve rod and the valve component form an input cavity A; the valve seat and the valve component form an exhaust cavity B; the valve rod, the valve seat and the gland form an output cavity C; the sealing cover and the valve rod form a control cavity D;
a first ventilation port A1, a second ventilation port A2, a third ventilation port A3 and a fourth ventilation port A4 are arranged outside the valve body, and the four ventilation ports are relatively independent; the input cavity A is connected with the first ventilation interface A1, the exhaust cavity B is connected with the second ventilation interface A2, the output cavity C is connected with the third ventilation interface A3, and the control cavity D is connected with the fourth ventilation interface A4.
Furthermore, a guide sleeve and a return spring are installed on the valve component.
Further, the cover is fixed in the cavity of the valve body through the first hole by using an elastic check ring.
Furthermore, the valve seat and the gland are fixed in the cavity of the valve body through the second hole by using an elastic retainer ring.
Further, the control chamber D is mounted with a first O-ring and a first k-ring.
Further, the output chamber C is mounted with a second k-ring, a second O-ring and a third O-ring.
Further, a fourth O-ring is mounted at each of the first ventilation port a1, the second ventilation port a2, and the third ventilation port A3.
Further, a fifth O-ring is mounted at the fourth air interface a 4.
Further, a pressure regulating spring is installed in the valve component and abuts against the valve rod.
Furthermore, a filter element is installed at the breathing hole of the valve body.
The utility model has the advantages that: the input port, the output port and the exhaust port of the multifunctional pneumatic control valve can be replaced mutually, different air path holes can be supported to serve as the input port when various working conditions are met, and waste of product type selection in the pneumatic brake system is effectively avoided. And the utility model discloses the case of multi-functional gas accuse valve adopts the piston, switches rapidly, and the reaction is sensitive.
Drawings
FIG. 1 is a schematic view of the gas crossing of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
in the figure, 1, a cover; 2. a circlip for the first hole; 3. a first O-ring; 4. a first k-ring; 5. a gland; 6. a circlip for the second hole; 7. a filter element; 8. a second k-ring; 9. a second O-ring; 10. a valve stem; 11. a valve seat; 12. a third O-ring; 13. a return spring; 14. a guide sleeve; 15. a valve assembly; 16. a fourth O-ring; 17. a pressure regulating spring; 18. a valve body; 19. a cylindrical pin; 20. a fifth O-ring; 21. and (5) steel balls.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model provides a multifunctional pneumatic control valve, which comprises a valve body 18 with a cavity inside, wherein a valve component 15, a valve seat 11, a gland 5, a valve rod 10 and a sealing cover 1 are arranged in the cavity of the valve body 18;
the valve stem 10 and the valve assembly 15 form an input chamber a; the valve seat 11 and the valve component 15 form an exhaust cavity B; the valve rod 10, the valve seat 11 and the gland 5 form an output cavity C; the sealing cover 1 and the valve rod 10 form a control cavity D;
a first ventilation port A1, a second ventilation port A2, a third ventilation port A3 and a fourth ventilation port A4 are arranged outside the valve body 18, and the four ventilation ports are relatively independent; the input cavity A, the exhaust cavity B, the output cavity C and the control cavity D are independently connected with a ventilation interface.
The valve assembly 15 is provided with a guide sleeve 14 and a return spring 13. The valve component 15 will not deflect under the action of the guide sleeve 14 and can effectively seal with the valve rod 10 or the valve seat 11 under the action of the return spring 13.
The cover 1 is fixed in the cavity of the valve body 18 through the first hole by the elastic collar 2.
The valve seat 11 and the gland 5 are fixed in the cavity of the valve body 18 through a second hole elastic retainer ring 6.
The control chamber D is fitted with a first O-ring 3 and a first k-ring 4. The sealing of the control cavity D is realized, and the leakage of the cavity of the control cavity D is prevented.
The output chamber C is fitted with a second k-ring 8, a second O-ring 9 and a third O-ring 12. Sealing of the output chamber C is achieved. Preventing the output chamber C chamber from leaking.
And the fourth O-shaped ring 16 is arranged at each of the first ventilation interface A1, the second ventilation interface A2 and the third ventilation interface A3 and is used for sealing between the pneumatic control valve and a working installation surface.
And a fifth O-shaped ring 20 is arranged at the fourth air interface A4. Used for sealing when connecting external pipelines. And the direction positioning between the pneumatic control valve and the working installation surface is realized through a cylindrical pin 19 riveted on the surface of the valve body 18.
The valve component 15 is provided with a pressure regulating spring 17, and the pressure regulating spring 17 is propped against the valve rod 10.
The breather hole of the valve body 18 is provided with a filter element 7. Can prevent the foreign matters from being sucked into the inner cavity of the valve body 18 through the breathing port when the valve rod 10 moves up and down.
The fabrication hole left by the control port channel 101 on the surface of the valve body 18 is blocked by riveting the steel ball 21
The utility model discloses working method as follows:
when the control port a4 is not filled with air, the valve stem 10 is pushed by the compression spring 13, the valve port 12a of the valve seat 11 and the vulcanized surface 13a of the valve component 15 are pressed to realize sealing, and the input chamber a and the output chamber C are communicated and are independent from the exhaust chamber B, as shown in fig. 1.
When the control port A4 is supplied, the gas from the port A4 enters the control chamber D through the control port channel 101, the valve rod 10 moves downward against the urging force of the spring 17 under the action of the gas in the control chamber D, and after the valve port 11a of the valve rod 10 contacts the vulcanization surface 13a of the valve component 15, the valve component 15 is pushed downward against the urging force of the compression spring 13. At the moment, the valve port 11a of the valve rod 10 and the vulcanization surface 13a of the valve component 15 are pressed to realize sealing, and the output cavity C is communicated with the exhaust cavity B and is independent from the input cavity A.
The utility model discloses can realize three kinds of operating modes:
working condition I
1) The input cavity A is connected with the first ventilation interface A1, and A1 is an input port and is used for connecting an air source air storage cylinder.
2) The output cavity C is connected with a third air interface A3, and A3 is an output port and is used for connecting an external pipeline.
3) The exhaust cavity B is connected with the second ventilation interface A2, and A2 is an exhaust port and is used for connecting external pipelines.
4) The control cavity D is connected with a fourth air interface A4 through a control port channel 101, and A4 is a control port and is used for connecting an external pipeline.
Working condition II
1) The exhaust cavity B is connected with the second ventilation port A2, and A2 is an input port and is used for connecting an air source air storage cylinder.
2) The input cavity A is connected with a first ventilation interface A1, and A1 is a vent used for connecting external pipelines.
3) The output cavity C is connected with a third air interface A3, and A3 is an output port and is used for connecting an external pipeline.
4) The control cavity D is connected with a fourth air interface A4 through a control port channel 101, and A4 is a control port and is used for connecting an external pipeline.
Operating mode III
1) The output cavity C is connected with a third air passing port A3, and A3 is an input port and is used for connecting an air source air storage cylinder.
2) The exhaust cavity B is connected with a second ventilation interface A2, and A2 is an output port (A2 has no output when A1 has the output) for connecting an external pipeline.
3) The input cavity A is connected with a first ventilation interface A1, and A1 is an output port (A1 has no output when A2 has an output) for connecting external pipelines.
4) The control cavity D is connected with a fourth air interface A4 through a control port channel 101, and A4 is a control port and is used for connecting an external pipeline.
The above-mentioned embodiments are provided for explaining the present invention, not for limiting the present invention, and any modifications and changes made to the present invention are within the spirit of the present invention and the scope of the claims and fall within the scope of the present invention.
Claims (10)
1. A multifunctional pneumatic control valve is characterized by comprising a valve body (18) with a cavity inside, wherein a valve component (15), a valve seat (11), a gland (5), a valve rod (10) and a sealing cover (1) are arranged in the cavity of the valve body (18);
the valve rod (10) and the valve component (15) form an input cavity A; the valve seat (11) and the valve component (15) form an exhaust cavity B; the valve rod (10), the valve seat (11) and the gland (5) form an output cavity C; the sealing cover (1) and the valve rod (10) form a control cavity D;
a first ventilation port A1, a second ventilation port A2, a third ventilation port A3 and a fourth ventilation port A4 are arranged outside the valve body (18), and the four ventilation ports are relatively independent; the input cavity A is connected with the first ventilation interface A1, the exhaust cavity B is connected with the second ventilation interface A2, the output cavity C is connected with the third ventilation interface A3, and the control cavity D is connected with the fourth ventilation interface A4.
2. A multifunctional pneumatic control valve according to claim 1, wherein the valve component (15) is provided with a guide sleeve (14) and a return spring (13).
3. A multifunctional pneumatic control valve according to claim 1, wherein the cover (1) is fixed in the cavity of the valve body (18) through the first hole by a circlip (2).
4. A multifunctional pneumatic control valve according to claim 1, characterized in that the valve seat (11) and the gland (5) are fixed in the cavity of the valve body (18) through a second hole with a circlip (6).
5. A multifunctional pneumatic control valve according to claim 1, characterized in that the control chamber D is fitted with a first O-ring (3) and a first k-ring (4).
6. A multifunctional pneumatic control valve according to claim 1, characterized in that the output chamber C is fitted with a second k-ring (8), a second O-ring (9) and a third O-ring (12).
7. The multifunctional pneumatic control valve as claimed in claim 1, wherein a fourth O-ring (16) is mounted at each of the first air port A1, the second air port A2 and the third air port A3.
8. The multifunctional pneumatic control valve as claimed in claim 1, wherein a fifth O-ring (20) is mounted at the fourth air port A4.
9. A multifunctional pneumatic control valve according to claim 1, characterized in that a pressure regulating spring (17) is installed in the valve component (15), and the pressure regulating spring (17) is abutted against the valve rod (10).
10. The multifunctional pneumatic control valve is characterized in that a filter element (7) is installed at a breathing hole of the valve body (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542453.0U CN214008151U (en) | 2020-11-06 | 2020-11-06 | Multifunctional pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542453.0U CN214008151U (en) | 2020-11-06 | 2020-11-06 | Multifunctional pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008151U true CN214008151U (en) | 2021-08-20 |
Family
ID=77303561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022542453.0U Active CN214008151U (en) | 2020-11-06 | 2020-11-06 | Multifunctional pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008151U (en) |
-
2020
- 2020-11-06 CN CN202022542453.0U patent/CN214008151U/en active Active
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