CN205136694U - High leakproofness pressure valve - Google Patents
High leakproofness pressure valve Download PDFInfo
- Publication number
- CN205136694U CN205136694U CN201520860442.3U CN201520860442U CN205136694U CN 205136694 U CN205136694 U CN 205136694U CN 201520860442 U CN201520860442 U CN 201520860442U CN 205136694 U CN205136694 U CN 205136694U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- leak tightness
- connector
- high leak
- 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
Abstract
The utility model discloses a high leakproofness pressure valve, which comprises the following components: a valve body, install the valve gap on the valve body, install the valve head in the valve body, install the slider on the valve head, install first spring on the slider between top surface and the valve gap, sealed recess has been seted up to the valve head bottom surface, install the sealing washer in the sealed recess, install the lug on the valve body, just lug and sealing washer line contact. A high leakproofness pressure valve, its simple structure, the leakproofness is good, it is sensitive to drive the valve, effectively improves life.
Description
Technical field
The utility model relates to a kind of high leak tightness pressure valve.
Background technique
Because of need of production, air-cooled heat pump unit, the freezing unit (cryogenic system) that all will run throughout the year, handpiece Water Chilling Units (air-conditioning system), often can run into cold start-up situation because of reasons such as weather conditions.During cold start-up, because the condensing temperature of system is too low, after compressor start, the high voltage terminal pressure of system does not increase, and compressor high and low pressure side can not set up enough height pressure reduction, and compressor can be caused to load; Compressor oil-supplying is not enough, compressor may because lubrication, cooling is not enough and badly damaged compressor.As system uses constant pressure valve, after compressor start, compressor can be made at short notice to set up rapidly enough height pressure reduction, and then it being smooth and easy to ensure that compressor displacement regulating loads, ensureing that compressor does not cause harmful effect because losing oil.Constant pressure valve, with safety check effect, when the compressor is shut down, can cut off rapidly compressor and be connected with gas exhaust piping, prevent pressurized gas from passing back into compressor, effectively avoid compressor to reverse for a long time.But current used pressure valve due to the sealing between valve head and valve body, slide block poor, along with pressure valve service time increase its easily there is the problems such as leakage.
Model utility content
The purpose of this utility model is to provide a kind of high leak tightness pressure valve, and its structure is simple, and good airproof performance, valve opening is sensitive, effectively improves working life.
In order to achieve the above object, the technical solution of the utility model is:
A kind of high leak tightness pressure valve, comprise valve body, described valve body is provided with valve gap, in described valve body, valve head is installed, described valve head is provided with slide block, described slide block is provided with the first spring between end face and valve gap, described valve head bottom surface offers sealed groove, in described sealed groove, seal ring is installed, described valve body is provided with projection, and described projection and seal ring linear contact lay.
Described valve body is separately installed with the first valve body connector, the second valve body connector, described valve gap is provided with valve head connection.
Described first valve body connector is provided with the first nut, between described first valve body connector and the first nut, the first sealing cap is installed; Described second valve body connector is provided with the second nut, between described second nut and the second valve body connector, the second bonnet is installed; Described valve head connection is provided with valve gap nut, between described valve gap nut and valve head connection, valve gap sealing cap is installed.
Described projection comprises base, wedge angle jacking block, and described base is connected with wedge angle jacking block, the top of described wedge angle jacking block and seal ring linear contact lay.
On described slide block, end face offers spring groove, installs the first spring, be provided with pad in the spring groove below described first spring in described spring groove.
Second spring is installed between described valve head and slide block.
Described valve head bottom surface offers arcuation groove.
Described valve body is connected with lower female connector by the first bolt, and is socketed with first method orchid outside described lower female connector; Described valve body is connected with female connector by the second bolt, is socketed with the second flange outside described female connector.
Between described lower female connector and valve body, the first paper gasket is installed, the second paper gasket is installed between described female connector and valve body.
The beneficial effects of the utility model are: a kind of high leak tightness pressure valve, and its structure is simple, and good airproof performance, valve opening is sensitive, effectively improves working life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
Embodiment
Embodiment 1
A high leak tightness pressure valve as shown in Figure 1 and Figure 2, comprises valve body 1, and described valve body 1 is provided with valve gap 2, is provided with valve head 3 in described valve body 1, and described valve head 3 is provided with slide block 4, and described slide block 4 is provided with the first spring 5 between end face and valve gap 2.
Described valve body 1 is separately installed with the first valve body connector 8, second valve body connector 9, described valve gap 2 is provided with valve head connection 10.Described first valve body connector 8 is provided with the first nut 16, between described first valve body connector 8 and the first nut 16, first sealing cap 17 is installed; Described second valve body connector 9 is provided with the second nut 18, between described second nut 18 and the second valve body connector 9, second bonnet 19 is installed; Described valve head connection 10 is provided with valve gap nut 20, between described valve gap nut 20 and valve head connection 10, valve gap sealing cap 21 is installed.
Described valve head 3 bottom surface offers sealed groove 11, is provided with seal ring 12 in described sealed groove 11, and described valve body 1 is provided with projection 13, and described projection 13 and seal ring 12 linear contact lay.Described projection 13 comprises base 14, wedge angle jacking block 15, and described base 14 is connected with wedge angle jacking block 15, the top of described wedge angle jacking block 15 and seal ring 12 linear contact lay.The valve head 3 used at present contacts with all adopting face between valve body 1, and it is low that face contact exists sealing, along with the increase of service time is easily revealed.Projection 13 and seal ring 12 linear contact lay effectively can improve the sealing between valve head 3 and valve body 1, thus improve working life.
On described slide block 4, end face offers spring groove 22, installs the first spring 5, be provided with pad 23 in the spring groove 22 below described first spring 5 in described spring groove 22.Second spring 25 is installed between described valve head 3 and slide block 4.
Described valve head 3 bottom surface offers arcuation groove 24.The setting of arcuation groove 24 makes valve head 3 lifting surface area increase, thus effectively improves the valve opening sensitivity of pressure valve.
Described valve body 1 is connected with lower female connector 27 by the first bolt 26, and is socketed with first method orchid 28 outside described lower female connector 27; Described valve body 1 is connected with female connector 30 by the second bolt 29, is socketed with the second flange 31 outside described female connector 30.First paper gasket 32 is installed between described lower female connector 27 and valve body 1, the second paper gasket 33 is installed between described female connector 30 and valve body 1.
A kind of high leak tightness pressure valve of the present embodiment, its structure is simple, and good airproof performance, valve opening is sensitive, effectively improves working life.
Claims (9)
1. a high leak tightness pressure valve, it is characterized in that: comprise valve body (1), described valve body (1) is provided with valve gap (2), valve head (3) is installed in described valve body (1), described valve head (3) is provided with slide block (4), described slide block (4) is upper is provided with the first spring (5) between end face and valve gap (2), described valve head (3) bottom surface offers sealed groove (11), seal ring (12) is installed in described sealed groove (11), described valve body (1) is provided with projection (13), and described projection (13) and seal ring (12) linear contact lay.
2. a kind of high leak tightness pressure valve according to claim 1, is characterized in that: described valve body (1) is separately installed with the first valve body connector (8), the second valve body connector (9), described valve gap (2) is provided with valve head connection (10).
3. a kind of high leak tightness pressure valve according to claim 2, is characterized in that: described first valve body connector (8) is provided with the first nut (16), is provided with the first sealing cap (17) between described first valve body connector (8) and the first nut (16); Described second valve body connector (9) is provided with the second nut (18), between described second nut (18) and the second valve body connector (9), the second bonnet (19) is installed; Described valve head connection (10) is provided with valve gap nut (20), between described valve gap nut (20) and valve head connection (10), valve gap sealing cap (21) is installed.
4. a kind of high leak tightness pressure valve according to claim 1, it is characterized in that: described projection (13) comprises base (14), wedge angle jacking block (15), described base (14) is connected with wedge angle jacking block (15), the top of described wedge angle jacking block (15) and seal ring (12) linear contact lay.
5. a kind of high leak tightness pressure valve according to claim 1, it is characterized in that: the upper end face of described slide block (4) offers spring groove (22), in described spring groove (22), the first spring (5) is installed, in the spring groove (22) of described first spring (5) below, pad (23) is installed.
6. a kind of high leak tightness pressure valve according to claim 1, is characterized in that: be provided with the second spring (25) between described valve head (3) and slide block (4).
7. a kind of high leak tightness pressure valve according to claim 1, is characterized in that: described valve head (3) bottom surface offers arcuation groove (24).
8. a kind of high leak tightness pressure valve according to claim 1, is characterized in that: described valve body (1) is connected with lower female connector (27) by the first bolt (26), and is socketed with first method orchid (28) outside described lower female connector (27); Described valve body (1) is connected with female connector (30) by the second bolt (29), is socketed with the second flange (31) outside described female connector (30).
9. a kind of high leak tightness pressure valve according to claim 8, is characterized in that: be provided with the first paper gasket (32) between described lower female connector (27) and valve body (1), be provided with the second paper gasket (33) between described female connector (30) and valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860442.3U CN205136694U (en) | 2015-11-02 | 2015-11-02 | High leakproofness pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520860442.3U CN205136694U (en) | 2015-11-02 | 2015-11-02 | High leakproofness pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136694U true CN205136694U (en) | 2016-04-06 |
Family
ID=55622489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520860442.3U Expired - Fee Related CN205136694U (en) | 2015-11-02 | 2015-11-02 | High leakproofness pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136694U (en) |
-
2015
- 2015-11-02 CN CN201520860442.3U patent/CN205136694U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160406 Termination date: 20191102 |