CN211901127U - Explosion-proof hydraulic valve - Google Patents
Explosion-proof hydraulic valve Download PDFInfo
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- CN211901127U CN211901127U CN201922464434.8U CN201922464434U CN211901127U CN 211901127 U CN211901127 U CN 211901127U CN 201922464434 U CN201922464434 U CN 201922464434U CN 211901127 U CN211901127 U CN 211901127U
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- pressure relief
- inner cylinder
- explosion
- hydraulic valve
- stop ball
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Abstract
The utility model relates to an explosion-proof hydrovalve, include: the liquid inlet pipe and the liquid outlet pipe are arranged on the main body; a pressure relief pipe is arranged on the liquid inlet pipe, a pressure relief pipe joint is arranged on one side of the pressure relief pipe, and an inner cylinder is detachably fixed and sleeved in the pressure relief pipe; the inner cylinder is provided with a pressure relief hole corresponding to the pressure relief pipe joint, a stop ball is arranged inside the inner cylinder, the bottom of the inner cylinder is provided with a stop ring matched with the stop ball, the top of the inner cylinder is provided with an adjusting mechanism, and the adjusting mechanism applies elastic force acting on the stop ring to the stop ball; through the adjusting mechanism, the elasticity borne by the stop ball can be changed, namely the hydraulic threshold value borne by the opening of the stop ball can be changed, and the adjustment can be carried out according to the pressure environments of different liquids; the inner cylinder can be detached from the pressure relief cylinder, so that the inner cylinder is convenient to clean and replace and maintain.
Description
Technical Field
The utility model belongs to the technical field of hydraulic pressure is sent out, concretely relates to explosion-proof hydrovalve.
Background
The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type.
In the prior art, chinese utility model patent with application number CN201820151591.6 discloses a non-return hydraulic valve with stable opening and closing, which comprises an oil inlet pipe and a main oil pipe, wherein a pressure stabilizing column is arranged on the top of the oil inlet pipe, the oil inlet pipe is communicated with the pressure stabilizing column, the oil inlet pipe is welded with the main oil pipe, a pressure stabilizing oil outlet is arranged on the side surface of the pressure stabilizing column, and the pressure stabilizing oil outlet is communicated with the pressure stabilizing column, when hydraulic oil passes through, the pressure of the hydraulic oil entering from the oil inlet pipe is insufficient, the hydraulic oil can not enter the main oil pipe through an extrusion spring seat, the ball can reach non-return hydraulic oil by increasing the hydraulic oil extrusion, the inlet is provided with a rubber gasket to stabilize the hydraulic oil to prevent oil leakage, the hydraulic oil reaches pressure stabilization and pressure regulation when exiting from the pressure stabilizing oil outlet of the pressure stabilizing column, and the first spring and the second spring are stressed to stably; the ball is subjected to the elastic force of the first spring and cannot adjust the pressure of the first spring on the ball body according to different hydraulic environments; and the pressure stabilizing column is of an integrated structure, and is not easy to clean and replace after the inside is blocked.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides an explosion-proof hydrovalve that can be applicable to multiple hydraulic pressure environment, be convenient for maintain.
The technical scheme of the utility model is that: an explosion-proof hydraulic valve comprising: the liquid inlet pipe and the liquid outlet pipe are arranged on the main body; a pressure relief pipe is arranged on the liquid inlet pipe, a pressure relief pipe joint is arranged on one side of the pressure relief pipe, and an inner cylinder is detachably fixed and sleeved in the pressure relief pipe; the inner cylinder is provided with a pressure relief hole corresponding to the pressure relief pipe joint, a stop ball is arranged inside the inner cylinder, the bottom of the inner cylinder is provided with a stop ring matched with the stop ball, the top of the inner cylinder is provided with an adjusting mechanism, and the adjusting mechanism applies elastic force acting on the stop ring to the stop ball.
The adjusting mechanism is provided with an adjusting plate matched with the inner part of the inner barrel, the outer side of the adjusting plate is in threaded connection with the inner side of the inner barrel, a spring is arranged between the adjusting plate and the stop ball, and an adjusting rod is arranged at the top of the adjusting plate.
The top of inner tube is provided with the mounting panel, the mounting panel is fixed in through mounting bolt the top of a pressure release section of thick bamboo.
The middle part of the mounting plate is provided with a hole, the top end of the adjusting rod extends upwards from the hole, and the top end of the adjusting rod is provided with a handle.
And a sealing ring is rotationally matched between the mounting plate and the pressure relief cylinder.
And a sealing ring is assembled on the inner side of the baffle ring.
The utility model has the advantages that:
(1) through the adjusting mechanism, the elasticity borne by the stop ball can be changed, namely the hydraulic threshold value borne by the opening of the stop ball can be changed, and the adjustment can be carried out according to the pressure environments of different liquids;
(2) the inner cylinder can be detached from the pressure relief cylinder, so that the inner cylinder is convenient to clean and replace and maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is a second partial schematic view of the present invention.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
Referring to fig. 1, 2 and 3, there is shown an explosion proof hydraulic valve comprising: a main body 1, and a liquid inlet pipe 3 and a liquid outlet pipe 2 which are arranged on the main body 1; a pressure relief tube 4 is arranged on the liquid inlet tube 3, a pressure relief tube joint 5 is arranged on one side of the pressure relief tube 4, and an inner tube 7 is detachably fixed and sleeved in the pressure relief tube 4; the inner cylinder 7 is provided with a pressure relief hole 8 corresponding to the pressure relief pipe joint 5, a stop ball 16 is arranged inside the inner cylinder 7, the bottom of the inner cylinder 7 is provided with a stop ring 17 matched with the stop ball 16, the top of the inner cylinder 7 is provided with an adjusting mechanism, and the adjusting mechanism applies elastic force acting on the stop ring 17 to the stop ball 16; in this embodiment, when the liquid in the hydraulic valve is in a normal pressure state, the liquid enters the main body 1 from the liquid inlet pipe 3, and the main body 1 controls whether the liquid is discharged from the liquid outlet pipe 2, when the liquid in the liquid inlet pipe 3 is instantly raised, the acting force of the liquid on the stop ball 16 is higher than the elastic force applied to the stop ball 16, so that the liquid can open the space between the stop ball 16 and the baffle ring 17, the liquid enters the inner cylinder and is discharged through the pressure relief hole 8 and the pressure relief pipe joint 5, and in order to avoid spilling the liquid, the connecting pipeline at the pressure relief pipe joint 5 can recover the sprayed and discharged liquid; through adjustment mechanism, can change the elasticity that receives by ball 16, can change the hydraulic pressure threshold value that can bear that opens by ball 16, can adjust according to the pressure environment of different liquid to, inner tube 7 can be followed and dismantled out in the pressure release section of thick bamboo 4, conveniently washs, replaces inner tube 7, is convenient for maintain.
As shown in fig. 4, the adjusting mechanism has an adjusting plate 14 matching with the inside of the inner cylinder 7, the outer side of the adjusting plate 14 is in threaded connection with the inner side of the inner cylinder 7, a spring 15 is arranged between the adjusting plate 14 and the stop ball 16, an adjusting rod 19 is arranged at the top of the adjusting plate 14, specifically, an internal thread 13 is arranged at the upper part of the inner side of the inner cylinder 7, an external thread matching with the internal thread 13 is arranged on the outer side surface of the adjusting plate 14, the adjusting plate 14 is rotated by the adjusting rod 9 to move up and down in the inside of the inner cylinder 7, the spring 15 is further compressed or some elastic force is released on the premise of keeping the compression state of the spring 15, so that the elastic force applied to the stop ball 16 is changed, that is, the hydraulic threshold value that the stop ball 16 can be opened.
As shown in fig. 1 and 2, the top of the inner cylinder 7 is provided with a mounting plate 6, the mounting plate 6 is fixed on the top of the pressure relief cylinder 4 through a mounting bolt 12, specifically, a mounting hole 11 has been uniformly opened on the mounting plate 6 around the center of circle thereof, an internal thread hole has been opened on the top of the pressure relief cylinder 4 corresponding to the mounting hole 11, the mounting bolt 12 is assembled inside the mounting hole 11, and the mounting bolt 12 is rotatably arranged in the internal thread hole.
In order to rotate the adjusting rod 9 conveniently, the middle of the mounting plate 6 is provided with a hole, the top end of the adjusting rod 9 extends upwards from the hole, the top end of the adjusting rod 9 is provided with a handle 10, the handle 10 and the adjusting rod 9 are perpendicular to each other and are connected into an integral structure, and the adjusting rod 9 can be rotated conveniently by hands through the handle 10.
In order to increase the sealing performance of the hydraulic valve, a sealing ring is rotatably arranged between the mounting plate 6 and the pressure relief cylinder 4, and a sealing ring 18 is arranged on the inner side of the blocking ring.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. An explosion-proof hydraulic valve, comprising:
the liquid inlet pipe and the liquid outlet pipe are arranged on the main body;
a pressure relief pipe is arranged on the liquid inlet pipe, a pressure relief pipe joint is arranged on one side of the pressure relief pipe, and an inner cylinder is detachably fixed and sleeved in the pressure relief pipe;
the inner cylinder is provided with a pressure relief hole corresponding to the pressure relief pipe joint, a stop ball is arranged inside the inner cylinder, the bottom of the inner cylinder is provided with a stop ring matched with the stop ball, the top of the inner cylinder is provided with an adjusting mechanism, and the adjusting mechanism applies elastic force acting on the stop ring to the stop ball.
2. The explosion-proof hydraulic valve of claim 1, wherein: the adjusting mechanism is provided with an adjusting plate matched with the inner part of the inner barrel, the outer side of the adjusting plate is in threaded connection with the inner side of the inner barrel, a spring is arranged between the adjusting plate and the stop ball, and an adjusting rod is arranged at the top of the adjusting plate.
3. The explosion-proof hydraulic valve of claim 2, wherein: the top of inner tube is provided with the mounting panel, the mounting panel is fixed in through mounting bolt the top of a pressure release section of thick bamboo.
4. The explosion-proof hydraulic valve of claim 3, wherein: the middle part of the mounting plate is provided with a hole, the top end of the adjusting rod extends upwards from the hole, and the top end of the adjusting rod is provided with a handle.
5. The explosion-proof hydraulic valve of claim 3, wherein: and a sealing ring is rotationally matched between the mounting plate and the pressure relief cylinder.
6. The explosion-proof hydraulic valve of claim 1, wherein: and a sealing ring is assembled on the inner side of the baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464434.8U CN211901127U (en) | 2019-12-31 | 2019-12-31 | Explosion-proof hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922464434.8U CN211901127U (en) | 2019-12-31 | 2019-12-31 | Explosion-proof hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901127U true CN211901127U (en) | 2020-11-10 |
Family
ID=73295986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922464434.8U Active CN211901127U (en) | 2019-12-31 | 2019-12-31 | Explosion-proof hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443669A (en) * | 2020-12-14 | 2021-03-05 | 陈明书 | Hydraulic pump change-over valve |
| CN112984141A (en) * | 2021-03-05 | 2021-06-18 | 新达泵阀股份有限公司 | Flow self-adjusting hydraulic device |
-
2019
- 2019-12-31 CN CN201922464434.8U patent/CN211901127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443669A (en) * | 2020-12-14 | 2021-03-05 | 陈明书 | Hydraulic pump change-over valve |
| CN112984141A (en) * | 2021-03-05 | 2021-06-18 | 新达泵阀股份有限公司 | Flow self-adjusting hydraulic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 3011, A2 / F, Jianghai Zhihui garden, 266 New Century Avenue, high tech Zone, Nantong City, Jiangsu Province, 226000 Patentee after: Sipage (Nantong) electro hydraulic control technology Co.,Ltd. Address before: Room 3011, A2 / F, Jianghai Zhihui garden, 266 New Century Avenue, high tech Zone, Nantong City, Jiangsu Province, 226000 Patentee before: Xipaige industrial intelligent equipment (Nantong) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |