CN205859281U - A kind of air relief valve - Google Patents
A kind of air relief valve Download PDFInfo
- Publication number
- CN205859281U CN205859281U CN201620780506.3U CN201620780506U CN205859281U CN 205859281 U CN205859281 U CN 205859281U CN 201620780506 U CN201620780506 U CN 201620780506U CN 205859281 U CN205859281 U CN 205859281U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- spool
- screw press
- valve gap
- 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.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000036772 blood pressure Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Safety Valves (AREA)
Abstract
nullThis utility model relates to a kind of air relief valve，Including valve body、Valve gap、Tightening cover、Core assembly、Diaphragm、Pressure regulating device，Valve pocket it is provided with in valve body，Diaphragm arrangement is in the junction of valve gap Yu valve body，Packing ring it is provided with between diaphragm and valve gap，Pressure regulating device includes handwheel、Screw press、Look nut、Pressure spring，The bottom of screw press is arranged on the inner chamber of valve gap，The top of screw press is stretched out outside valve gap，Handwheel is connected with the top of screw press，Handwheel is arranged on the top of valve gap，Screw press is arranged on valve gap by look nut，Pressure spring is sleeved on screw press，Core assembly is arranged in valve pocket，Core assembly includes spool、Spring，Conflict on the lower surface of diaphragm in the upper end of spool，Sealing ring and the first trim ring it is provided with between top and the valve body of spool，The lower end of spool is installed in the draw-in groove of tightening cover.This utility model has simple in construction, stable and reliable for performance, blood pressure lowering precision advantage accurately.
Description
Technical field
This utility model relates to pneumatic element technical field, is specifically related to a kind of air relief valve.
Background technology
Air relief valve is by regulation, inlet pressure reduces to the outlet pressure of a certain needs, and relies on the energy of medium itself
Amount, makes outlet pressure automatically keep stable valve.But, the structure design of existing air relief valve is unreasonable, thus this decompression
Valve there is also that blood pressure lowering precision is inaccurate, structure is complicated, the defect of unstable properties.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple in construction, stable and reliable for performance,
Blood pressure lowering precision air relief valve accurately.
For achieving the above object, this utility model uses a kind of air relief valve, including valve body, the valve that is arranged on valve body upper end
Cover, be arranged on the tightening cover of valve body lower end, core assembly, diaphragm, pressure regulating device, in described valve body, be provided with valve pocket, valve body
One end be provided with the air inlet being connected with valve pocket, the other end of valve body is provided with the gas outlet being connected with valve pocket, diaphragm
Being arranged on the junction of valve gap and valve body, and be provided with packing ring between diaphragm and valve gap, described pressure regulating device includes handwheel, tune
Pressure screw rod, look nut, pressure spring, the bottom of screw press is arranged on the inner chamber of valve gap, and the top of screw press is stretched out
Outside valve gap, handwheel is connected with the top of screw press, and handwheel is arranged on the top of valve gap, and screw press is pacified by look nut
Being contained on valve gap, described pressure spring is sleeved on screw press, and conflict on look nut in one end of pressure spring, pressure regulation
The other end of spring is conflicted on the upper surface of diaphragm, and described core assembly is arranged in valve pocket, core assembly include spool,
Arranging the spring in tightening cover at corresponding spool, conflicts on the lower surface of diaphragm in the upper end of described spool, and spool is upper
Being provided with sealing ring and the first trim ring between portion and valve body, the lower end of spool is installed in the draw-in groove of tightening cover, described spring
Upper end conflict on the limited block of spool bottom, be provided with the second trim ring between described limited block and valve body, and on valve gap
It is provided with in mounting bracket, and mounting bracket and is provided with installing hole.
The beneficial effects of the utility model are: this air relief valve has simple in construction, stable and reliable for performance, blood pressure lowering precision is accurate
Advantage, and between spool and valve body, be provided with sealing ring, the first trim ring, the second trim ring, substantially increase the close of this air relief valve
It is provided with packing ring between sealing property, and diaphragm and valve gap, it is to avoid the valve gap damage to diaphragm, improves the reliable of air relief valve work
Property, and on valve gap, it is provided with mounting bracket, consequently facilitating the installation of this air relief valve.
Accompanying drawing explanation
Fig. 1 is this utility model example structure schematic diagram.
Detailed description of the invention
As it is shown in figure 1, this utility model embodiment is a kind of air relief valve, including valve body 10, it is arranged on valve body 10 upper end
Valve gap 11, it is arranged on the tightening cover 12 of valve body 10 lower end, core assembly 20, diaphragm 13, pressure regulating device 30, in described valve body 10
Being provided with valve pocket 101, one end of valve body 10 is provided with the air inlet 102 being connected with valve pocket 101, and the other end of valve body 10 is arranged
Having the gas outlet 103 being connected with valve pocket 101, diaphragm 13 is arranged on the junction of valve gap 11 and valve body 10, and diaphragm 13 and valve
Being provided with packing ring 14 between lid 11, described pressure regulating device 30 includes handwheel 31, screw press 32, look nut 33, pressure regulation bullet
Spring 34, the bottom of screw press 32 is arranged on the inner chamber of valve gap 11, and the top of screw press 32 is stretched out outside valve gap 11, handwheel
31 are connected with the top of screw press 32, and handwheel 31 is arranged on the top of valve gap 11, and screw press 32 is pacified by look nut 33
Being contained on valve gap 11, described pressure spring 34 is sleeved on screw press 32, conflicts at pressure regulation spiral shell in one end of pressure spring 34
On female 33, the other end of pressure spring 34 is conflicted on the upper surface of diaphragm 13, and described core assembly 20 is arranged on valve pocket 101
In, core assembly 20 includes the spring 22 arranging in tightening cover 12 at spool 21, corresponding spool 21, the upper end of described spool 21
Conflict on the lower surface of diaphragm 13, and between the top of spool 21 and valve body 10, be provided with sealing ring 23 and the first trim ring 24,
The lower end of spool 21 is installed in the draw-in groove 121 of tightening cover 12, the upper end conflict of described spring 22 limit in spool 21 bottom
On the block 211 of position, it is provided with the second trim ring 25 between described limited block 211 and valve body 10, and on valve gap 11, is provided with installation
Installing hole 41 it is provided with on frame 40, and mounting bracket 40.This air relief valve has simple in construction, stable and reliable for performance, blood pressure lowering precision
It is provided with sealing ring, the first trim ring, the second trim ring accurately between advantage, and spool and valve body, substantially increases this air relief valve
Sealing property, and between diaphragm and valve gap, be provided with packing ring, it is to avoid the valve gap damage to diaphragm, improve air relief valve work
Mounting bracket it is provided with in reliability, and valve gap, consequently facilitating the installation of this air relief valve.
Claims (1)
1. an air relief valve, the valve gap including valve body, being arranged on valve body upper end, is arranged on the tightening cover of valve body lower end, spool group
Part, diaphragm, pressure regulating device, it is characterised in that: being provided with valve pocket in described valve body, one end of valve body is provided with and is connected with valve pocket
Logical air inlet, the other end of valve body is provided with the gas outlet being connected with valve pocket, and diaphragm arrangement is in the connection of valve gap Yu valve body
Place, and between diaphragm and valve gap, it is provided with packing ring, described pressure regulating device includes handwheel, screw press, look nut, pressure regulation bullet
Spring, the bottom of screw press is arranged on the inner chamber of valve gap, and the top of screw press is stretched out outside valve gap, handwheel and screw press
Top connect, handwheel is arranged on the top of valve gap, and screw press is arranged on valve gap by look nut, described pressure regulation bullet
Spring is sleeved on screw press, conflicts on look nut in one end of pressure spring, and the other end of pressure spring is conflicted at diaphragm
Upper surface on, described core assembly is arranged in valve pocket, and core assembly includes arranging in tightening cover at spool, corresponding spool
Spring, conflict on the lower surface of diaphragm, and be provided with sealing between the top of spool and valve body in the upper end of described spool
Circle and the first trim ring, the lower end of spool is installed in the draw-in groove of tightening cover, conflicts in spool bottom in the upper end of described spring
On limited block, it is provided with the second trim ring between described limited block and valve body, and on valve gap, is provided with mounting bracket, and installation
Installing hole it is provided with on frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620780506.3U CN205859281U (en) | 2016-07-07 | 2016-07-07 | A kind of air relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620780506.3U CN205859281U (en) | 2016-07-07 | 2016-07-07 | A kind of air relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859281U true CN205859281U (en) | 2017-01-04 |
Family
ID=57648897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620780506.3U Expired - Fee Related CN205859281U (en) | 2016-07-07 | 2016-07-07 | A kind of air relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058535A (en) * | 2018-09-26 | 2018-12-21 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
| CN109538565A (en) * | 2018-11-29 | 2019-03-29 | 河南航天液压气动技术有限公司 | A kind of combination valve |
-
2016
- 2016-07-07 CN CN201620780506.3U patent/CN205859281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058535A (en) * | 2018-09-26 | 2018-12-21 | 百灵气动科技有限公司 | Pressure adjustable safety valve |
| CN109538565A (en) * | 2018-11-29 | 2019-03-29 | 河南航天液压气动技术有限公司 | A kind of combination valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Yueqing Economic Development Zone, Zhejiang, No. 387, No. eight Patentee after: Braun Pneumatic Technology Co., Ltd. Address before: 325600 Yueqing Economic Development Zone, Zhejiang, No. 387, No. eight Patentee before: Zhejiang BLCH Pneumatic Science & Technology Co., Ltd. |
|
| 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: 20170104 Termination date: 20210707 |