CN210179000U - Valve rod mechanism of gas pressure regulating valve - Google Patents
Valve rod mechanism of gas pressure regulating valve Download PDFInfo
- Publication number
- CN210179000U CN210179000U CN201920866323.7U CN201920866323U CN210179000U CN 210179000 U CN210179000 U CN 210179000U CN 201920866323 U CN201920866323 U CN 201920866323U CN 210179000 U CN210179000 U CN 210179000U
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- Prior art keywords
- valve
- cover
- guide sleeve
- pressure regulating
- gas pressure
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a valve rod mechanism of a gas pressure regulating valve, which belongs to the field of gas pressure regulating valves, and comprises a valve body, wherein the upper end of the valve body is provided with an air inlet joint, the right end of the valve body is provided with an air outlet joint, the air inlet joint is internally connected with a circulation cover through threads, the lower end of the valve body is connected with a valve cover through threads, the middle part of the upper end of the valve cover is provided with a guide sleeve, the outer side of the guide sleeve is bonded with a corrugated pipe through glue, the upper end of the corrugated pipe is bonded with a sealing disc through glue, a valve rod is sleeved in the guide sleeve in a sliding way and guided by the guide sleeve, and a sealed space is formed between the sealing disc and the guide sleeve through the corrugated pipe, so that the inner part of the guide sleeve is not contacted with gas, when the valve rod and the spring need to be, avoid changing the influence that valve rod and spring caused to the pipeline.
Description
Technical Field
The utility model relates to a gas air-vent valve field, concretely relates to valve rod mechanism of gas air-vent valve.
Background
The gas pressure regulating valve is widely applied to a gas pipeline system, and different gas pressure regulating valves are adopted under a specific use environment so as to meet the use requirement of gas. The valve rod and the spring are installed in the common gas pressure regulating valve as main working components.
After a valve rod and a spring of the gas pressure regulating valve are used for a long time, the valve rod is easy to wear, and the spring can reach the fatigue limit and needs to be replaced regularly. However, when the gas pipeline needs to be closed and the gas pressure regulating valve needs to be detached, the gas pipeline is interrupted, the use of the gas pipeline is affected, and in most cases, the gas pressure regulating valve is directly replaced, so that waste is caused. Accordingly, there is a need for improvements in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a valve rod mechanism of gas air-vent valve, it adopts the uide bushing to lead to the valve rod, and makes to seal through the bellows and form airtight space between dish and the uide bushing for the uide bushing is inside not to contact with the gas, when valve rod and spring need be changed, only needs to take off the jam of design, can take off spring and valve rod, need not to change the air-vent valve, avoids changing the influence that valve rod and spring caused the pipeline.
In order to achieve the above object, an embodiment of the utility model provides a valve rod mechanism of gas air-vent valve, which comprises a valve body, the upper end of valve body is provided with air inlet joint, the right-hand member of valve body is provided with the joint of giving vent to anger, there is the circulation cover through threaded connection in the air inlet joint, there is the valve gap lower extreme of valve body through threaded connection, the upper end middle part of valve gap is provided with the uide bushing, there is the bellows in the outside of uide bushing through the glue bonding, the upper end of bellows has sealed the dish through the glue bonding, the valve rod has been cup jointed in the uide bushing in the slip, the upper end of valve rod is provided with the arch, install the spring in the uide bushing, there is the jam. It adopts the uide bushing to lead the valve rod, and makes to seal through the bellows and form airtight space between dish and the uide bushing for the uide bushing is inside not with the gas contact, when valve rod and spring need be changed, only need take off the jam of design, can take off spring and valve rod, need not to change the air-vent valve, avoids changing the influence that valve rod and spring led to the fact the pipeline.
Furthermore, the lower extreme of circulation cover is provided with the flange, the surface of flange and the inner wall contact of valve body, circulation cover have the water conservancy diversion effect, and the design of flange has the supporting role to sealing the dish.
Further, be provided with the runner in the circulation cover, the upper portion of runner is narrow, the lower part of runner is wide, wholly is the hopper form that falls, and the runner has the water conservancy diversion effect, and high-pressure gas is favorable to stepping down from narrow department flow direction wide department.
Furthermore, the outer side of the valve cover is sleeved with a sealing ring, the upper end of the sealing ring is tightly attached to the lower end of the valve body, the sealing ring is made of rubber materials, the rubber materials have elasticity and good sealing effect, and the valve body and the valve cover are sealed.
Furthermore, the corrugated pipe is corrugated, is made of rubber materials, has good elasticity, can generate elastic deformation, and can form a sealing structure with the sealing disc and the guide sleeve through the design of the corrugated pipe, so that the inside of the guide sleeve is isolated from gas.
Further, the upper end of the sealing plate contacts with the lower end of the circulation cover, the lower end of the sealing plate is provided with a groove, the groove is arranged at the center of the sealing plate, a protrusion is sleeved in the groove in a sliding mode, and the sealing plate can not swing randomly through the cooperation of the protrusion and the groove.
Further, the upper end of spring and the lower extreme contact of valve rod, the lower extreme and the jam contact of spring, the lower extreme that blocks up is provided with the hexagonal spiral head, and the jam has a supporting role to the spring, when needs take out the spring, will block up to take off and can take out the spring.
To sum up, the utility model has the advantages of it is following:
1. this scheme adopts the uide bushing to lead the valve rod, and makes to seal through the bellows and form airtight space between dish and the uide bushing for the uide bushing is inside not with the gas contact, when valve rod and spring need be changed, only need take off the jam of design, can take off spring and valve rod, need not to change the air-vent valve, avoids changing the influence that valve rod and spring led to the fact the pipeline.
2. The lower extreme of circulation cover is provided with the flange, and the surface of flange and the inner wall contact of valve body, circulation cover have the water conservancy diversion effect, and the design of flange has the supporting role to sealing the dish.
3. Be provided with the runner in the circulation cover, the upper portion of runner is narrow, and the lower part of runner is wide, wholly is the hopper form that falls, and the runner has the water conservancy diversion effect, and high-pressure gas is favorable to stepping down from narrow flow direction wide department.
4. The outer side of the valve cover is sleeved with a sealing ring, the upper end of the sealing ring is tightly attached to the lower end of the valve body, the sealing ring is made of rubber materials, the rubber materials have elasticity and good sealing effect, and the valve body and the valve cover are sealed.
5. The corrugated pipe is corrugated, is made of rubber materials, has good elasticity, can generate elastic deformation, and can form a sealing structure with the sealing disc and the guide sleeve through the design of the corrugated pipe, so that the inside of the guide sleeve is isolated from gas.
6. The upper end of the sealing plate is in contact with the lower end of the circulation cover, the lower end of the sealing plate is provided with a groove, a bulge is sleeved in the groove in a sliding mode, and the sealing plate can not swing randomly through the matching of the bulge and the groove.
7. The upper end of spring and the lower extreme contact of valve rod, the lower extreme and the jam contact of spring, the lower extreme of jam is provided with the hexagonal spiral head, and the jam has a supporting role to the spring, when the spring is taken out to needs, will block up to take off and can take out the spring.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
fig. 2 is a top view of the overall structure in an embodiment of the present invention;
fig. 3 is an enlarged view of a point a in an embodiment of the present invention.
Wherein, 1, a valve body; 2. an air inlet joint; 3. an air outlet joint; 4. a flow-through hood; 5. a flange; 6. a flow channel; 7. a valve cover; 8. a seal ring; 9. a guide sleeve; 10. a bellows; 11. sealing the disc; 12. a groove; 13. a valve stem; 14. a protrusion; 15. a spring; 16. blocking; 17. a hexagonal screw head; 18. a circular groove.
Detailed Description
Example 1:
referring to fig. 1-3, a valve rod mechanism of a gas pressure regulating valve comprises a valve body 1, referring to fig. 1-2, an air inlet connector 2 is arranged at the upper end of the valve body 1, the air inlet connector 2 is used for connecting an air inlet pipe, an air outlet connector 3 is arranged at the right end of the valve body 1, the air outlet connector 3 is used for connecting an air outlet pipe, a circulation cover 4 is connected in the air inlet connector 2 through threads, the circulation cover 4 is made of stainless steel, a valve cover 7 is connected at the lower end of the valve body 1 through threads, a guide sleeve 9 is arranged in the middle of the upper end of the valve cover 7, the valve cover 7 and the guide sleeve 9 are of an integral structure and are made of stainless steel materials, a corrugated pipe 10 is bonded at the outer side of the guide sleeve 9 through glue, a sealing disc 11 is bonded at the upper end of the corrugated pipe 10 through glue, the upper end of the valve rod 13 is provided with a bulge 14, a spring 15 is arranged in the guide sleeve 9, the spring 15 is in a compressed state and has the function of compression elasticity, the lower end of the guide sleeve 9 is connected with a plug 16 through threads, and the lower end of the valve cover 7 is provided with a circular groove 18.
Referring to fig. 1, a flange 5 is disposed at the lower end of the flow cover 4, the surface of the flange 5 contacts with the inner wall of the valve body 1, the flow cover 4 has a flow guiding function, and the flange 5 is designed to support the sealing plate 11. Be provided with runner 6 in the circulation cover 4, the upper portion of runner 6 is narrow, and the lower part of runner 6 is wide, wholly is the hopper form that falls, and runner 6 has the water conservancy diversion effect, and high-pressure gas is favorable to stepping down from narrow department flow direction wide department.
Referring to fig. 1, a sealing ring 8 is sleeved on the outer side of the valve cover 7, the upper end of the sealing ring 8 is tightly attached to the lower end of the valve body 1, the sealing ring 8 is made of rubber material, and the rubber material has elasticity and good sealing effect and seals between the valve body 1 and the valve cover 7. The corrugated pipe 10 is corrugated, the corrugated pipe 10 is made of rubber materials, the rubber materials have good elasticity and can be elastically deformed, and through the design of the corrugated pipe 10, the corrugated pipe, the sealing disc 11 and the guide sleeve 9 can form a sealing structure, so that the inside of the guide sleeve 9 is isolated from gas.
Referring to fig. 1 and 3, the upper end of the spring 15 contacts with the lower end of the valve rod 13, the lower end of the spring 15 contacts with the plug 16, the lower end of the plug 16 is provided with a hexagonal screw head 17, the plug 16 has a supporting function on the spring 15, and when the spring 15 needs to be taken out, the plug 16 is taken down, so that the spring 15 can be taken out. The upper end of the sealing plate 11 is in contact with the lower end of the circulation cover 4, a groove 12 is formed in the lower end of the sealing plate 11, the groove 12 is formed in the center of the sealing plate 11, a protrusion 14 is sleeved in the groove 12 in a sliding mode, and the sealing plate 11 can not swing randomly through the cooperation of the protrusion 14 and the groove 12.
When high-pressure gas is introduced into the gas inlet connector 2, the high-pressure gas enters the flow channel 6 in the circulation cover 4, then the sealing disc 11 is pushed downwards under the action of air pressure, the sealing disc 11 pushes the valve rod 13 downwards, the valve rod 13 slides in the guide sleeve 14 to extrude the spring 15, and the gas enters the cavity in the valve body 1 and enters a larger space from a smaller space, so that the gas pressure is reduced, and the pressure regulating effect is realized; after the voltage regulator used an end time, when valve rod 13 and spring 15 need to be changed, rotate hexagonal spiral head 17 with the spanner, hexagonal spiral head 17 drives and blocks up 16 rotations, make and block up 16 lower extreme that leaves uide bushing 9 through the screw action, can take off valve rod 13 and spring 15, owing to make through bellows 10 seal and form airtight space between dish 11 and the uide bushing 9, make uide bushing 9 inside not contact with the gas, so when valve rod 13 and spring 15 need be taken off, need not to change the air-vent valve, avoid changing the influence that valve rod 13 and spring 15 caused the pipeline.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (7)
1. The utility model provides a valve rod mechanism of gas air-vent valve, includes valve body (1), its characterized in that: the upper end of the valve body (1) is provided with an air inlet joint (2), the right end of the valve body (1) is provided with an air outlet joint (3), the inside of the air inlet joint (2) is connected with a circulating cover (4) through screw threads, the lower end of the valve body (1) is connected with a valve cover (7) through screw threads, a guide sleeve (9) is arranged in the middle of the upper end of the valve cover (7), a corrugated pipe (10) is bonded on the outer side of the guide sleeve (9) through glue, the upper end of the corrugated pipe (10) is bonded with a sealing disc (11) through glue, a valve rod (13) is sleeved in the guide sleeve (9) in a sliding manner, a bulge (14) is arranged at the upper end of the valve rod (13), a spring (15) is installed in the guide sleeve (9), the lower end of the guide sleeve (9) is connected with a plug (16) through threads, and a circular groove (18) is formed in the lower end of the valve cover (7).
2. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: the lower extreme of circulation cover (4) is provided with flange (5), the surface of flange (5) and the inner wall contact of valve body (1).
3. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: a flow channel (6) is arranged in the circulation cover (4), the upper part of the flow channel (6) is narrow, the lower part of the flow channel (6) is wide, and the whole body is in an inverted funnel shape.
4. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: the outer side of the valve cover (7) is sleeved with a sealing ring (8), the upper end of the sealing ring (8) is tightly attached to the lower end of the valve body (1), and the sealing ring (8) is made of rubber materials.
5. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: the corrugated pipe (10) is corrugated, and the corrugated pipe (10) is made of rubber materials.
6. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: the upper end of sealing dish (11) and the lower extreme contact of circulation cover (4), the lower extreme of sealing dish (11) is provided with recess (12), recess (12) set up in the central point of sealing dish (11) and put, it has arch (14) to slide the cover in recess (12).
7. The valve stem mechanism of a gas pressure regulating valve according to claim 1, wherein: the upper end of the spring (15) is in contact with the lower end of the valve rod (13), the lower end of the spring (15) is in contact with the plug (16), and the lower end of the plug (16) is provided with a hexagonal screw head (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866323.7U CN210179000U (en) | 2019-06-11 | 2019-06-11 | Valve rod mechanism of gas pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866323.7U CN210179000U (en) | 2019-06-11 | 2019-06-11 | Valve rod mechanism of gas pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210179000U true CN210179000U (en) | 2020-03-24 |
Family
ID=69836784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920866323.7U Expired - Fee Related CN210179000U (en) | 2019-06-11 | 2019-06-11 | Valve rod mechanism of gas pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210179000U (en) |
-
2019
- 2019-06-11 CN CN201920866323.7U patent/CN210179000U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |