CN212318886U - Safety valve convenient to adjust - Google Patents
Safety valve convenient to adjust Download PDFInfo
- Publication number
- CN212318886U CN212318886U CN202021132267.3U CN202021132267U CN212318886U CN 212318886 U CN212318886 U CN 212318886U CN 202021132267 U CN202021132267 U CN 202021132267U CN 212318886 U CN212318886 U CN 212318886U
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- valve
- adjusting screw
- valve body
- wall
- air guide
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Abstract
The utility model relates to a relief valve convenient to adjust, the outside at the disk seat is established to the valve body cover, it is equipped with the air guide passageway to run through on the disk seat, establish respectively to air inlet and gas outlet air guide passageway's lower extreme and upper end, gas outlet department is equipped with the case, the case is kept away from and is equipped with the valve rod on one side of gas outlet, the cover is equipped with the spring on the valve rod, the upper end outside cover of valve rod is equipped with adjusting screw, the both ends of spring are contradicted respectively on case and adjusting screw, the inner wall of valve body and adjusting screw's outer wall pass through threaded connection, adjusting screw's upper end protrusion is equipped with the rotation post in the valve body, the cavity sets up in the. The utility model has the advantages that: the rotary column is rotated to drive the adjusting screw to rotate, so that the adjusting screw is moved up or down to achieve the purpose of adjusting the pressure value of the safety valve, the valve body is not required to be opened, and the rotary safety valve is easy and simple to operate and convenient to operate.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to relief valve convenient to adjust.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation.
The pressure numerical value of relief valve can change through adjusting screw, but adjusting screw generally establishes inside the valve body, need open the valve body when the adjustment and go on, and very trouble like this still reduces the leakproofness of valve body easily, reduces life.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a relief valve convenient to adjust to solve above-mentioned problem.
The technical scheme of the utility model is realized like this: the utility model provides a relief valve convenient to adjust, includes disk seat and valve body, the valve body cover is established in the outside of disk seat, it is equipped with the air guide passageway to run through on the disk seat, air guide passageway's lower extreme and upper end are established respectively to air inlet and gas outlet, gas outlet department is equipped with the case, the case is kept away from and is equipped with the valve rod on one side of gas outlet, the cover is equipped with the spring on the valve rod, the upper end outside cover of valve rod is equipped with adjusting screw, the both ends of spring are contradicted respectively on case and adjusting screw, the inner wall of valve body and adjusting screw's outer wall pass through threaded connection, adjusting screw's upper end protrusion is equipped with the rotation post in the valve body, rotate.
By adopting the technical scheme, when the pressure in the equipment or the pipeline is overlarge, the valve core originally sealed with the air outlet can be lifted, so that the air pressure is discharged from the air outlet, and when the pressure reaches a normal value, the spring can press the valve core downwards to close the valve core and seal the air outlet; the rotary column is rotated to drive the adjusting screw to rotate, so that the adjusting screw is moved up or down to achieve the purpose of adjusting the pressure value of the safety valve, the valve body is not required to be opened, and the rotary safety valve is easy and simple to operate and convenient to operate.
The utility model discloses further set up to: a plurality of insections are vertically arranged on the outer wall of the rotating column.
Through adopting above-mentioned technical scheme, improved the frictional force of rotating the post surface, made holding of rotating the post light, stable more.
The utility model discloses further set up to: a filter screen is arranged in the air guide channel and close to the air inlet.
By adopting the technical scheme, impurities in the pipeline or the equipment can be effectively prevented from entering the air guide channel to block the air guide channel, and the working performance is effectively guaranteed.
The utility model discloses further set up to: the valve body is fixedly connected with the valve seat through threads, and a sealing ring is arranged between the lower end of the valve body and the valve seat.
Through adopting above-mentioned technical scheme, effectual joint strength and the leakproofness that has improved between valve body and the disk seat.
The utility model discloses further set up to: and the valve core is provided with a corresponding lug towards the air outlet, and the lug is arranged in an arc shape.
By adopting the technical scheme, the valve core and the air outlet are closed more tightly, and the sealing performance is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a safety valve convenient for adjustment, which comprises a valve seat 1 and a valve body 2, the valve body 2 is sleeved outside the valve seat 1, an air guide channel 3 is arranged on the valve seat 1 in a penetrating way, the lower end and the upper end of the air guide channel 3 are respectively provided with an air inlet 4 and an air outlet 5, a valve core 6 is arranged at the air outlet 5, a valve rod 7 is arranged on one side of the valve core 6 far away from the air outlet 5, a spring 8 is sleeved on the valve rod 7, an adjusting screw 9 is sleeved on the outer side of the upper end of the valve rod 7, two ends of the spring 8 respectively abut against the valve core 6 and the adjusting screw 9, the inner wall of the valve body 2 is connected with the outer wall of the adjusting screw 9 through threads, the upper end of the adjusting screw 9 protrudes out of the valve body 2 and is provided with a rotating column 10, the rotating column 10 is arranged in a hollow mode, and a plurality of exhaust ports 11 are formed in the side wall of the valve body 2.
By adopting the technical scheme, when the pressure in the equipment or the pipeline is overlarge, the valve core originally sealed with the air outlet can be lifted, so that the air pressure is discharged from the air outlet, and when the pressure reaches a normal value, the spring can press the valve core downwards to close the valve core and seal the air outlet; the rotary column is rotated to drive the adjusting screw to rotate, so that the adjusting screw is moved up or down to achieve the purpose of adjusting the pressure value of the safety valve, the valve body is not required to be opened, and the rotary safety valve is easy and simple to operate and convenient to operate.
In the embodiment of the present invention, a plurality of insections are vertically disposed on the outer wall of the rotating column 10.
Through adopting above-mentioned technical scheme, improved the frictional force of rotating the post surface, made holding of rotating the post light, stable more.
In the embodiment of the present invention, a filter screen 12 is disposed in the air guide channel 3 near the air inlet 4.
By adopting the technical scheme, impurities in the pipeline or the equipment can be effectively prevented from entering the air guide channel to block the air guide channel, and the working performance is effectively guaranteed.
The embodiment of the utility model provides an in, valve body 2 and disk seat 1 pass through screw thread fixed connection, be equipped with sealing washer 13 between valve body 2's lower extreme and the disk seat 1.
Through adopting above-mentioned technical scheme, effectual joint strength and the leakproofness that has improved between valve body and the disk seat.
In the embodiment of the present invention, the valve core 6 is provided with a corresponding bump 14 toward the gas outlet 5, and the bump 14 is arc-shaped.
By adopting the technical scheme, the valve core and the air outlet are closed more tightly, and the sealing performance is better.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A relief valve convenient to adjust, includes disk seat (1) and valve body (2), its characterized in that: the valve body (2) is sleeved on the outer side of the valve seat (1), an air guide channel (3) penetrates through the valve seat (1), the lower end and the upper end of the air guide channel (3) are respectively provided with an air inlet (4) and an air outlet (5), the air outlet (5) is provided with a valve core (6), one side, away from the air outlet (5), of the valve core (6) is provided with a valve rod (7), the valve rod (7) is sleeved with a spring (8), the outer side of the upper end of the valve rod (7) is sleeved with an adjusting screw (9), two ends of the spring (8) respectively abut against the valve core (6) and the adjusting screw (9), the inner wall of the valve body (2) is in threaded connection with the outer wall of the adjusting screw (9), the upper end of the adjusting screw (9) protrudes out of the valve body (2) and is provided with a rotating column (10, the side wall of the valve body (2) is provided with a plurality of exhaust holes (11).
2. A safety valve to facilitate adjustment according to claim 1, wherein: the outer wall of the rotating column (10) is vertically provided with a plurality of insections.
3. A safety valve to facilitate adjustment according to claim 1, wherein: and a filter screen (12) is arranged in the air guide channel (3) and close to the air inlet (4).
4. A safety valve to facilitate adjustment according to claim 1, wherein: the valve body (2) is fixedly connected with the valve seat (1) through threads, and a sealing ring (13) is arranged between the lower end of the valve body (2) and the valve seat (1).
5. A safety valve to facilitate adjustment according to claim 1, wherein: the valve core (6) is provided with a corresponding bump (14) towards the air outlet (5), and the bump (14) is arranged in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132267.3U CN212318886U (en) | 2020-06-17 | 2020-06-17 | Safety valve convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132267.3U CN212318886U (en) | 2020-06-17 | 2020-06-17 | Safety valve convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318886U true CN212318886U (en) | 2021-01-08 |
Family
ID=74027298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021132267.3U Active CN212318886U (en) | 2020-06-17 | 2020-06-17 | Safety valve convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318886U (en) |
-
2020
- 2020-06-17 CN CN202021132267.3U patent/CN212318886U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |