CN213711969U - Hydraulic control gas reversing valve - Google Patents
Hydraulic control gas reversing valve Download PDFInfo
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- CN213711969U CN213711969U CN202022665968.XU CN202022665968U CN213711969U CN 213711969 U CN213711969 U CN 213711969U CN 202022665968 U CN202022665968 U CN 202022665968U CN 213711969 U CN213711969 U CN 213711969U
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Abstract
The utility model discloses a gaseous switching-over valve of hydraulic control contains the valve body, is equipped with piston movable cavity in the valve body to and set up in the valve body: the first piston and the second piston are arranged in the piston movable cavity; the first oil inlet is arranged at the rear end of the first piston, and the second oil inlet is arranged at the rear end of the second piston; one end of the air inlet is arranged on the surface of the valve body, and the other end of the air inlet is communicated with the piston movable cavity; the first air outlet and the second air outlet are respectively positioned at two sides of the air inlet; when the first piston moves towards the direction of the second piston, the first piston seals the first air inlet, and the air inlet is communicated with the second air outlet; when the second piston moves towards the direction of the first piston, the second piston seals the second air inlet, and the air inlet is communicated with the first air outlet. The utility model is suitable for a need atmospheric pressure to need not the scene of new atmospheric pressure source when changing along with the oil pressure, the structure is exquisite, easy operation can take a breath fast.
Description
Technical Field
The utility model relates to a gaseous switching-over valve technical field, in particular to gaseous switching-over valve of hydraulic control.
Background
Among the prior art, gaseous switching-over valve generally adopts the mode of changing the air flue to carry out gaseous switching-over, and under this kind of mode, different air flues generally adopt different air supplies, not only can lead to the complicacy of gas piping, can cause the cost-push moreover.
Disclosure of Invention
According to the embodiment of the utility model provides a gaseous switching-over valve of hydraulic control contains the valve body, is equipped with piston activity cavity in the valve body to and set up in the valve body:
the first piston and the second piston are arranged in the piston movable cavity, the front end of the first piston and the front end of the second piston are oppositely arranged, and the first piston and the second piston can mutually push to reciprocate;
the first oil inlet is arranged at the rear end of the first piston, the second oil inlet is arranged at the rear end of the second piston, the first oil inlet pushes the first piston and the second piston to move towards the rear end of the second piston, and the second oil inlet pushes the first piston and the second piston to move towards the rear end of the first piston;
one end of the air inlet is arranged on the surface of the valve body, and the other end of the air inlet is communicated with the piston movable cavity;
the first air outlet and the second air outlet are respectively positioned at two sides of the air inlet; when the first piston moves towards the direction of the second piston, the first piston seals the first air outlet, and the air inlet is communicated with the second air outlet; when the second piston moves towards the direction of the first piston, the second piston seals the second air outlet, and the air inlet is communicated with the first air outlet.
Further, the first air outlet, the second air outlet and the air inlet are parallel to each other.
Further, the first oil inlet, the second oil inlet, the first air outlet, the second air outlet and the air inlet are parallel to each other.
Furthermore, first O-shaped sealing rings are respectively arranged on the first piston and the second piston.
Furthermore, second O-shaped sealing rings are respectively arranged at the joints of the first oil inlet, the second oil inlet, the first air outlet, the second air outlet, the air inlet and the valve body.
Further, the method also comprises the following steps: and the pair of screw plugs are respectively arranged at two sides of the valve body and are respectively used for plugging the rear ends of the first piston and the second piston.
According to the utility model discloses gaseous switching-over valve of hydraulic control is applicable to the scene that need not new atmospheric pressure source when needing atmospheric pressure to change along with the oil pressure, and the structure is exquisite, and easy operation can take a breath fast.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
Fig. 1 is a top view of a hydraulically controlled gas reversing valve according to an embodiment of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The present invention will be further described with reference to the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.
First, will be described with reference to fig. 1-2 according to the embodiment of the present invention, a hydraulic control gas reversing valve for gas reversing is used in a wide range of applications.
As shown in figures 1-2, the utility model discloses gaseous switching-over valve of hydraulic control has valve body 1, is equipped with piston activity cavity 11 in the valve body 1 to and set up first piston 2, second piston 3, first oil inlet 4, second oil inlet 5, air inlet 6, first gas outlet 7 and the second gas outlet 8 in valve body 1.
Specifically, as shown in fig. 1 to 2, a first piston 2 and a second piston 3 are arranged in a piston movable cavity 11, a front end of the first piston 2 and a front end of the second piston 3 are arranged oppositely, and the first piston 2 and the second piston 3 can mutually push and reciprocate.
Specifically, as shown in fig. 1 to 2, a first oil inlet 4 is disposed at the rear end of a first piston 2, a second oil inlet 5 is disposed at the rear end of a second piston 3, the first oil inlet 4 pushes the first piston 2 and the second piston 3 to move towards the rear end of the second piston 3, and the second oil inlet 5 pushes the first piston 2 and the second piston 3 to move towards the rear end of the first piston 2.
Specifically, as shown in fig. 1-2, one end of the air inlet 6 is disposed on the surface of the valve body 1, and the other end of the air inlet 6 is communicated with the piston movable cavity 11.
Specifically, as shown in fig. 1-2, the first air outlet 7 and the second air outlet 8 are respectively located at two sides of the air inlet 6; when the first piston 2 moves towards the second piston 3, the first piston 2 seals the first air outlet 7, and the air inlet 6 is communicated with the second air outlet 8; when the second piston 3 moves towards the first piston 2, the second piston 3 seals the second air outlet 8, and the air inlet 6 is communicated with the first air outlet 7. In the present embodiment, the first air outlet 7, the second air outlet 8 and the air inlet 6 are parallel to each other.
Further, in the present embodiment, the first oil inlet 4, the second oil inlet 5, the first air outlet 7, the second air outlet 8 and the air inlet 6 are parallel to each other.
Further, as shown in fig. 2, the first piston 2 and the second piston 3 are respectively provided with a first O-ring 12.
Further, as shown in fig. 2, the joints of the first oil inlet 4, the second oil inlet 5, the first air outlet 7, the second air outlet 8, the air inlet 6 and the valve body 1 are also respectively provided with a second O-ring 13.
Further, specifically, as shown in fig. 1~2, the utility model discloses hydraulic control gas reversing valve still has: and the pair of screw plugs 9 are respectively arranged at two sides of the valve body 1 and used for plugging the rear ends of the first piston 2 and the second piston 3.
When the oil tank works, the air inlet 6 is communicated with the first air outlet 7 or the second air outlet 8, the first oil inlet 4 and the second oil inlet 5 cannot supply oil pressure at the same time, and when one port supplies oil pressure, the other port is communicated with the oil tank; as shown in fig. 2, when oil enters the first oil inlet 4, the first piston 2 is pushed, the first piston 2 pushes the second piston 3 to move, and at this time, the air inlet 6 is communicated with the second air outlet 8; when the oil is fed into the second oil inlet 5, the second piston 3 is pushed to move in the reverse direction of the first piston 2, the air inlet 6 is communicated with the first air outlet 7, the air pressure changing device is suitable for a scene that a new air pressure source is not needed when the air pressure is required to be changed along with the oil pressure, the structure is exquisite, the operation is simple, and quick air exchange can be realized.
Above, having described with reference to fig. 1~2 and having been according to the utility model discloses the gaseous switching-over valve of hydraulic control is applicable to the scene that need not new atmospheric pressure source when needing atmospheric pressure to change along with the oil pressure, and the structure is exquisite, and easy operation can take a breath fast.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (6)
1. The utility model provides a gaseous switching-over valve of hydraulic control which characterized in that contains the valve body, be equipped with piston activity cavity in the valve body, and set up in the valve body:
the first piston and the second piston are arranged in the piston movable cavity, the front end of the first piston and the front end of the second piston are oppositely arranged, and the first piston and the second piston can mutually push and reciprocate;
the first oil inlet is arranged at the rear end of the first piston, the second oil inlet is arranged at the rear end of the second piston, the first oil inlet pushes the first piston and the second piston to move towards the rear end of the second piston, and the second oil inlet pushes the first piston and the second piston to move towards the rear end of the first piston;
one end of the air inlet is arranged on the surface of the valve body, and the other end of the air inlet is communicated with the piston movable cavity;
the first air outlet and the second air outlet are respectively positioned at two sides of the air inlet; when the first piston moves towards the second piston, the first piston closes the first air outlet, and the air inlet is communicated with the second air outlet; when the second piston moves towards the direction of the first piston, the second piston seals the second air outlet, and the air inlet is communicated with the first air outlet.
2. A hydraulically controlled gas diverter valve as defined in claim 1 wherein said first outlet port, said second outlet port and said inlet port are parallel to one another.
3. The hydraulically controlled gas diverter valve according to claim 2, wherein said first oil inlet, said second oil inlet, said first gas outlet, said second gas outlet, and said gas inlet are parallel to one another.
4. A hydraulically controlled gas diverter valve as defined in claim 1 wherein said first and second pistons have respective first O-rings thereon.
5. The hydraulically controlled gas diverter valve according to claim 1, wherein the first oil inlet, the second oil inlet, the first gas outlet, the second gas outlet, and the connection between the gas inlet and the valve body are provided with second O-ring seals, respectively.
6. A hydraulically controlled gas diverter valve as defined in claim 1, further comprising: the pair of screw plugs are respectively arranged on two sides of the valve body and are respectively used for plugging the rear ends of the first piston and the second piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665968.XU CN213711969U (en) | 2020-11-18 | 2020-11-18 | Hydraulic control gas reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665968.XU CN213711969U (en) | 2020-11-18 | 2020-11-18 | Hydraulic control gas reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711969U true CN213711969U (en) | 2021-07-16 |
Family
ID=76807020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022665968.XU Active CN213711969U (en) | 2020-11-18 | 2020-11-18 | Hydraulic control gas reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711969U (en) |
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2020
- 2020-11-18 CN CN202022665968.XU patent/CN213711969U/en active Active
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