CN219994400U - Hand-twisting type air exhaust valve cap - Google Patents
Hand-twisting type air exhaust valve cap Download PDFInfo
- Publication number
- CN219994400U CN219994400U CN202321340451.0U CN202321340451U CN219994400U CN 219994400 U CN219994400 U CN 219994400U CN 202321340451 U CN202321340451 U CN 202321340451U CN 219994400 U CN219994400 U CN 219994400U
- Authority
- CN
- China
- Prior art keywords
- rubber pad
- plate
- installation
- wall
- connecting mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a hand-screwed type air exhaust valve cap which comprises an installation thread sleeve, wherein a limiting plate is fixedly connected to the center of the outer wall of the installation thread sleeve, an installation ring plate is fixedly connected to the top of the outer wall of the limiting plate, two first sealing rings are clamped at the top of the installation ring plate, a connecting mechanism is installed at the top of the installation ring plate, a plurality of bolt assemblies are arranged between the installation ring plate and the connecting mechanism, a rubber pad assembly is arranged between the installation thread sleeve and the inner wall of the connecting mechanism, and a first adjusting rod and a plurality of second adjusting rods are respectively and spirally connected to the top of the connecting mechanism. According to the utility model, through the reinforced metal ring plate in the rubber pad assembly, when the air outlet through the porous rubber pad is completed, the reinforced metal ring plate plays a supporting role in the rubber pad assembly, so that the deformation of the whole rubber pad assembly under larger pressure is avoided, and the strength and the service life of the rubber pad assembly are greatly improved.
Description
Technical Field
The utility model relates to the technical field of extraction valves, in particular to a hand-twisting type extraction valve cap.
Background
The extraction valve is also called as an extraction check valve, and mainly used for protecting a quick-closing valve of a steam turbine generator unit, so that the internal pressure of a steam turbine is prevented from suddenly decreasing when the steam turbine generator unit suddenly throws load, steam in a steam extraction pipe and various heaters flows back into the steam turbine to cause that a turbine blade rotating at a high speed of 3000 times per minute suddenly breaks the turbine blade and damages a malignant accident of the steam turbine generator, and a pipeline of a heater system is prevented from leaking to enable water to enter the steam turbine from an extraction pipeline to generate a water hammer accident.
The traditional hand-screwed type air exhaust valve cap is disclosed in Chinese patent document with a patent publication number of CN217898789U3 as a hand-screwed type air exhaust valve cap with a pressure relief adjusting function, and comprises a main body, wherein an exhaust pipe is arranged in the main body, a top cover is arranged in the main body, a supporting plate is arranged in the main body, a rubber sealing gasket is arranged below the exhaust pipe in the main body, a first operating rod is arranged on the top cover, a second operating rod is arranged on the top cover and close to the first operating rod, a mounting end is arranged at the bottom end of the main body, and a threaded assembly piece is arranged at the mounting end. According to the utility model, the first air holes and the second air holes with different numbers are controlled to be opened through the first operating rod, the second operating rod and the rubber sealing gasket, so that the pressure release speed of the pipeline can be controlled, the practicability is improved, the threaded assembly parts and the fixing bolts are used, the threaded assembly parts share a plurality of groups, when the threads of the threaded assembly parts are worn for a long time, the threaded assembly parts can be directly replaced for normal use again, the service life is prolonged, and the installation stability is ensured; although the screw thread at the bottom of this bleed valve cap has been realized changing, but its inside rubber seal pad whole compressive capacity is lower, and when gassing was opened to whole or most first action bars and second action bars, rubber seal pad can receive great pressure deformation, caused the unable sealed condition of follow-up, and the leakproofness between first action bars and second action bars and the backup pad was not taken into consideration simultaneously.
It is therefore desirable to provide a manual bleed valve cap that addresses the above-described issues.
Disclosure of Invention
The technical problem to be solved by the utility model is that the whole pressure resistance of the rubber sealing gasket in the existing hand-screwed type air exhaust valve cap is low, when all or most of the first operating rod and the second operating rod are opened for air release, the rubber sealing gasket is subjected to larger pressure deformation, so that the subsequent sealing failure condition is caused, and meanwhile, the sealing performance between the first operating rod and the second operating rod and the supporting plate is not considered.
In order to solve the technical problems, the utility model adopts a technical scheme that: the manual screwing type air exhaust valve cap comprises an installation thread sleeve, wherein a limiting plate is fixedly connected to the center of the outer wall of the installation thread sleeve, and an installation annular plate is fixedly connected to the top of the outer wall of the limiting plate;
the top of the installation ring plate is clamped with two first sealing rings, the top of the installation ring plate is provided with a connecting mechanism, a plurality of bolt assemblies are arranged between the installation ring plate and the connecting mechanism, and a rubber pad assembly is arranged between the installation thread sleeve and the inner wall of the connecting mechanism;
the top of coupling mechanism is screwed respectively and is connected with first regulation pole and a plurality of second regulation pole, the bottom of first regulation pole and a plurality of second regulation pole is all fixedly connected with extrusion closing plate.
The utility model is further provided with: the connecting mechanism comprises a connecting sleeve arranged at the top of the mounting annular plate, a sealing support plate is fixedly connected to the center of the inner wall of the connecting sleeve, a plurality of second sealing rings are arranged on the sealing support plate, a plurality of adjusting threaded sleeves are fixedly connected to the top of the connecting sleeve, and an exhaust pipe is fixedly connected to one side of the connecting sleeve.
Through above-mentioned technical scheme, when using, first regulation pole and a plurality of second regulation pole extrusion rubber pad subassembly accomplish sealedly, rotate corresponding first regulation pole and a plurality of second regulation pole according to the speed of adjusting when needs are adjusted, can make the bottom release sealedly when corresponding regulation thread bush rotates, and then will get rid of gas from the blast pipe and realize the step-down.
The utility model is further provided with: and a plurality of through holes corresponding to the bolt assemblies are formed in the bottom of the connecting sleeve and the mounting ring plate.
Through above-mentioned technical scheme, accomplish the fixed between adapter sleeve and the installation annular plate through a plurality of bolt assemblies, and accomplish extrusion seal through two first sealing washer.
The utility model is further provided with: and a plurality of through holes corresponding to the first adjusting rods and the second adjusting rods are formed in the sealing supporting plate.
Through the technical scheme, the sealing between the first adjusting rod, the second adjusting rods and the sealing support plate can be completed through the second sealing rings on the sealing support plate.
The utility model is further provided with: the top of the connecting sleeve is provided with a plurality of through holes corresponding to the adjusting threaded sleeve.
Through the technical scheme, the sealing of the first adjusting rod, the plurality of second adjusting rods and the rubber pad assembly can be guaranteed through adjusting the threaded sleeve.
The utility model is further provided with: the rubber pad subassembly is including installing the porous rubber pad between installation thread bush and coupling mechanism inner wall, the inside of porous rubber pad is provided with the reinforcing metal annular plate.
Through above-mentioned technical scheme, strengthen the effect that the metal annular plate played the support in rubber pad subassembly's inside, avoid receiving great pressure whole rubber pad subassembly and take place deformation, and then improved rubber pad subassembly's intensity and life greatly.
The utility model is further provided with: grooves corresponding to the porous rubber pads are formed in the top of the inner wall of the installation thread sleeve and the bottom of the inside of the connecting mechanism, and through holes in the porous rubber pads correspond to the first adjusting rods and the second adjusting rods one by one.
Through the technical scheme, the groove can be used for clamping the rubber pad assembly, and the through hole can be in one-to-one correspondence with the first adjusting rod and the plurality of second adjusting rods to finish sealing.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through the reinforced metal ring plate in the rubber pad assembly, when the air outlet through the porous rubber pad is completed, the reinforced metal ring plate plays a supporting role in the rubber pad assembly, so that the deformation of the whole rubber pad assembly under larger pressure is avoided, and the strength and the service life of the rubber pad assembly are greatly improved;
2. according to the utility model, the detachable mounting annular plate and the connecting mechanism are designed, so that the later-stage convenient disassembly is realized, the sealing can be well finished through the first sealing ring, and the sealing supporting plate, the first adjusting rod and the plurality of second adjusting rods can be sealed through the second sealing ring.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an exploded view of the present utility model;
fig. 4 is a block diagram of a rubber pad assembly according to the present utility model.
In the figure: 1. installing a threaded sleeve; 2. a limiting plate; 3. installing a ring plate; 4. a first seal ring; 5. a connecting mechanism; 501. connecting sleeves; 502. a seal support plate; 503. a second seal ring; 504. adjusting the threaded sleeve; 505. an exhaust pipe; 6. a bolt assembly; 7. a rubber pad assembly; 71. a porous rubber pad; 72. reinforcing the metal ring plate; 8. a first adjusting lever; 9. a second adjusting lever; 10. and extruding the sealing plate.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1-3, a hand-screwed type air exhaust valve cap comprises a mounting thread sleeve 1, wherein a limiting plate 2 is fixedly connected to the center of the outer wall of the mounting thread sleeve 1, and a mounting annular plate 3 is fixedly connected to the top of the outer wall of the limiting plate 2;
as shown in fig. 1-3, two first sealing rings 4 are clamped at the top of the installation ring plate 3, a connecting mechanism 5 is installed at the top of the installation ring plate 3, the connecting mechanism 5 comprises a connecting sleeve 501 installed at the top of the installation ring plate 3, a sealing support plate 502 is fixedly connected to the center of the inner wall of the connecting sleeve 501, a plurality of second sealing rings 503 are installed on the sealing support plate 502, a plurality of adjusting thread sleeves 504 are fixedly connected to the top of the connecting sleeve 501, an exhaust pipe 505 is fixedly connected to one side of the connecting sleeve 501, when in use, a first adjusting rod 8 and a plurality of second adjusting rods 9 squeeze a rubber pad assembly 7 to finish sealing, when in need of adjustment, the corresponding first adjusting rod 8 and a plurality of second adjusting rods 9 are rotated according to the speed of adjustment, when in need of adjustment, the corresponding adjusting thread sleeves 504 can release sealing at the bottom, and then gas is discharged from the exhaust pipe 505 to realize depressurization, a plurality of through holes corresponding to the bolt assemblies 6 are formed in the bottom of the connecting sleeve 501 and the installation ring plate 3, fixing between the connecting sleeve 501 and the installation ring plate 3 is completed through the plurality of bolt assemblies 6, and sealing is completed through the two first sealing rings 4 to finish sealing, sealing is completed through the two first sealing rings 4, the sealing support plate 8 and the plurality of adjusting rods 8 and the corresponding second adjusting rods 9 are provided with the plurality of sealing support plates 9 and the corresponding to the second adjusting rods 9 through the plurality of adjusting rods 9, and the through the corresponding through the plurality of adjusting rods 9 and the first adjusting rods 9 are provided with the corresponding through the plurality of adjusting rods 9 and the sealing rings 9;
as shown in fig. 1-4, the rubber pad assembly 7 is placed between the installation thread bush 1 and the inner wall of the connecting mechanism 5, the rubber pad assembly 7 comprises a porous rubber pad 71 installed between the installation thread bush 1 and the inner wall of the connecting mechanism 5, a reinforced metal ring plate 72 is arranged in the porous rubber pad 71, the reinforced metal ring plate 72 plays a supporting role in the rubber pad assembly 7, the whole rubber pad assembly 7 is prevented from being deformed under larger pressure, the strength and the service life of the rubber pad assembly 7 are greatly improved, grooves corresponding to the porous rubber pad 71 are formed in the top of the inner wall of the installation thread bush 1 and the inner bottom of the connecting mechanism 5, through holes in the porous rubber pad 71 are in one-to-one correspondence with the first adjusting rods 8 and the second adjusting rods 9, the grooves can be used for realizing the clamping of the rubber pad assembly 7, the through holes can be in one-to-one correspondence with the first adjusting rods 8 and the second adjusting rods 9, the tops of the connecting mechanism 5 are respectively in spiral connection with the first adjusting rods 8 and the second adjusting rods 9, and the bottoms of the first adjusting rods 8 and the second adjusting rods 9 are fixedly connected with the extrusion sealing plates 10.
When the pressure reducing valve is used, the installation thread sleeve 1 is installed on the extraction valve, the rubber pad assembly 7 is clamped at the top of the inner wall of the installation thread sleeve 1, the fixing between the connecting sleeve 501 and the installation ring plate 3 is completed through the plurality of bolt assemblies 6, the extrusion sealing is completed through the two first sealing rings 4, when the pressure reducing valve is used, the rubber pad assembly 7 is extruded by the first adjusting rod 8 and the plurality of second adjusting rods 9, when the pressure reducing valve is required to be adjusted, the corresponding first adjusting rod 8 and the plurality of second adjusting rods 9 are rotated according to the adjusting speed, when the corresponding adjusting thread sleeve 504 is rotated, the bottom can be unsealed, and then gas is discharged from the exhaust pipe 505 to realize pressure reducing.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a hand is twisted formula bleed valve cap, includes installation thread bush (1), its characterized in that: the center of the outer wall of the mounting thread sleeve (1) is fixedly connected with a limiting plate (2), and the top of the outer wall of the limiting plate (2) is fixedly connected with a mounting annular plate (3);
the top of the installation ring plate (3) is clamped with two first sealing rings (4), the top of the installation ring plate (3) is provided with a connecting mechanism (5), a plurality of bolt assemblies (6) are arranged between the installation ring plate (3) and the connecting mechanism (5), and a rubber pad assembly (7) is arranged between the installation thread bush (1) and the inner wall of the connecting mechanism (5);
the top of coupling mechanism (5) is screwed connection respectively has first regulation pole (8) and a plurality of second regulation pole (9), the bottom of first regulation pole (8) and a plurality of second regulation pole (9) is all fixedly connected with extrusion closing plate (10).
2. The manual air extraction bonnet as defined in claim 1, wherein: the connecting mechanism (5) comprises a connecting sleeve (501) arranged at the top of the mounting annular plate (3), a sealing support plate (502) is fixedly connected to the center of the inner wall of the connecting sleeve (501), a plurality of second sealing rings (503) are arranged on the sealing support plate (502), a plurality of adjusting threaded sleeves (504) are fixedly connected to the top of the connecting sleeve (501), and an exhaust pipe (505) is fixedly connected to one side of the connecting sleeve (501).
3. The hand-wrung bleed valve cap according to claim 2, wherein: the bottom of the connecting sleeve (501) and the mounting annular plate (3) are provided with a plurality of through holes corresponding to the bolt assemblies (6).
4. The hand-wrung bleed valve cap according to claim 2, wherein: the sealing support plate (502) is provided with a plurality of through holes corresponding to the first adjusting rods (8) and the second adjusting rods (9).
5. The hand-wrung bleed valve cap according to claim 2, wherein: the top of the connecting sleeve (501) is provided with a plurality of through holes corresponding to the adjusting threaded sleeve (504).
6. The manual air extraction bonnet as defined in claim 1, wherein: the rubber pad assembly (7) comprises a porous rubber pad (71) arranged between the installation thread sleeve (1) and the inner wall of the connecting mechanism (5), and a reinforced metal annular plate (72) is arranged inside the porous rubber pad (71).
7. The manual air extraction bonnet as defined in claim 6, wherein: grooves corresponding to the porous rubber pads (71) are formed in the top of the inner wall of the installation thread sleeve (1) and the inner bottom of the connecting mechanism (5), and through holes in the porous rubber pads (71) are in one-to-one correspondence with the first adjusting rods (8) and the plurality of second adjusting rods (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321340451.0U CN219994400U (en) | 2023-05-30 | 2023-05-30 | Hand-twisting type air exhaust valve cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321340451.0U CN219994400U (en) | 2023-05-30 | 2023-05-30 | Hand-twisting type air exhaust valve cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219994400U true CN219994400U (en) | 2023-11-10 |
Family
ID=88617568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321340451.0U Active CN219994400U (en) | 2023-05-30 | 2023-05-30 | Hand-twisting type air exhaust valve cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219994400U (en) |
-
2023
- 2023-05-30 CN CN202321340451.0U patent/CN219994400U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219994400U (en) | Hand-twisting type air exhaust valve cap | |
| CN209444830U (en) | A kind of pipe valve switch | |
| CN102853155B (en) | Adjustable pressure reducing valve with high pressure reducing ratio | |
| CN212028863U (en) | Water knockout drum with filtering capability | |
| CN214036904U (en) | Filtering decompression automatic valve | |
| CN210890162U (en) | Low-temperature pressure reduction regulating valve | |
| WO2021114900A1 (en) | Vector sealing valve | |
| CN106969176A (en) | A kind of automatic decompression valve | |
| CN211175461U (en) | Novel ball valve | |
| CN215568229U (en) | Safety back pressure valve | |
| CN208457295U (en) | Dovetail groove type soft seal cutting type regulating valve | |
| CN109751419B (en) | Double-balance type corrugated pipe pressure reducing valve | |
| CN207989836U (en) | A kind of high-performance pressure reducing valve | |
| CN208686974U (en) | Integral type multi-step pressure reduction attemperator | |
| CN112145775A (en) | Valve device convenient for on-line conversion | |
| CN211501663U (en) | Hydraulic cone valve with lifting type valve core structure | |
| CN109506023A (en) | A kind of quasi- regulator of portable small-flow precise | |
| CN215410397U (en) | Automatic pressure regulating valve for sewage treatment | |
| CN212616541U (en) | Return valve | |
| CN221075386U (en) | Pressure reducing valve | |
| CN202301974U (en) | Hydraulic control valve with filtering device | |
| CN218991851U (en) | High-pressure plunger pump valve body | |
| CN207750551U (en) | A kind of easy-to-dismount dynamic balance valve valve courage | |
| CN220016239U (en) | Pressure regulating valve convenient to assemble | |
| CN211231755U (en) | Deluge alarm valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |