CN202040388U - Improved pressure reducing valve structure - Google Patents
Improved pressure reducing valve structure Download PDFInfo
- Publication number
- CN202040388U CN202040388U CN2011201211317U CN201120121131U CN202040388U CN 202040388 U CN202040388 U CN 202040388U CN 2011201211317 U CN2011201211317 U CN 2011201211317U CN 201120121131 U CN201120121131 U CN 201120121131U CN 202040388 U CN202040388 U CN 202040388U
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- CN
- China
- Prior art keywords
- valve
- spring
- spool
- valve body
- diaphragm
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- 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
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Abstract
The utility model relates to the technical field of a gas pressure regulating device, in particular to an improved pressure reducing valve structure. The improved pressure reducing valve structure comprises a valve body, a valve cover and a lock cover, wherein the valve cover is fixedly connected onto the upper part of the valve body; the lock cover is fixedly connected onto the bottom part of the valve body; the valve body is provided with a gas inlet and a gas outlet; a valve core device is arranged between the gas inlet and the gas outlet; the valve cover is provided with a valve core regulating device; the valve core regulating device comprises a regulating handle; a push rod is formed at the center position inside the regulating handle; a spring 1 is sleeved on the push rod; the lower end of the spring 1 is abutted against a diaphragm; and the bottom of the diaphragm is abutted against a valve core device. In the utility model, by matching use of the valve core regulating device and a valve core, the up-and-down movement of the valve core is effectively realized. An upper cushion body of the valve core can move up and down along with the valve core. The gas flow is actually regulated, and the structure is simple and compact. The safety performance is higher.
Description
Technical field
The utility model relates to gas pressure controlling device technical field, particularly a kind of improvement structure of relief pressure valve.
Background technique
Be effectively to store a large amount of gases, save gas holder, generally deposit in the gas holder,, can reach tens even a hundreds of barometric pressure so the interior gas pressure of gas holder is higher with after the gas compression.But gas uses equipment desired gas pressure very little, generally about a barometric pressure, so just there are air delivery device and the bigger contradiction of gas equipment gas pressure difference, so need a kind of device that gas pressure is regulated, realize the safe gas of using, reduction valve has also just arisen at the historic moment.
Existing general bearing pin of reduction valve and lever linkage structure realize the adjusting of pressure, it is simple in structure, but Safety performance is not high, because in reduction valve, air delivery device and gas equipment gas pressure difference are big, and is higher to the requirement of strength of reduction valve inner piece, and bearing pin and lever construction under high pressure damage easily, influence integrated operation, so be necessary prior art is carried out architecture advances.
The model utility content
The purpose of this utility model is at the defective of prior art and deficiency, and a kind of simple and compact for structure, high improvement structure of relief pressure valve of peace totipotency is provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of improvement structure of relief pressure valve of the utility model, comprise valve body, be fixedly connected on the valve gap on valve body top, be fixedly connected on the tightening cover of valve body bottom, described valve body is provided with suction port and air outlet, be provided with the spool device between described suction port and the air outlet, described valve gap is provided with the spool controlling device, described spool controlling device comprises regulating handle, the central position forms push rod in the regulating handle, be arranged with spring one on the push rod, spring one lower end is supported and is located on the diaphragm, and top, diaphragm bottom is located on the spool device.
Wherein, described spool device comprises is located at spool and the pad that is fixed on the spool, and top, pad bottom is provided with spring two, and spring two lower ends are supported and are located on the tightening cover; Described spool top contacts mutually with the diaphragm bottom.
Further, form directional post on the described tightening cover, described spring two is sheathed on the directional post, and spring two lower ends are supported and are located at the bottom portion of groove that the directional post place encloses.
Further, described push rod is fixed with fixed tray, and spring one upper end is supported and is located at the fixed tray bottom.
Further, be provided with seal washer between described diaphragm bottom and the valve body.
Further, described valve body and periphery, valve gap joint are provided with the assembly cap.
The utility model beneficial effect is: the utility model is used by spool controlling device and spool, effectively realize moving up and down of spool, pad can move up and down with spool on the spool, and reality is regulated the size of air-flow, simple and compact for structure, Safety performance is higher.
Description of drawings
Fig. 1 is a sectional structure schematic representation of the present utility model.
Among the figure:
1, regulating handle; 2, push rod; 3, spring one; 4, piece together cap;
5, valve gap; 6, seal washer; 7, diaphragm; 8, suction port;
9, air outlet; 10, spool; 11, pad; 12, directional post;
13, valve body; 14, spring two; 15, tightening cover; 16 fixed trays.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of improvement structure of relief pressure valve of the utility model comprises valve body 13, valve gap 5 and tightening cover 15.Described valve gap 5 is fixedly connected on valve body 13 tops by screw thread, is provided with seal ring in addition between valve body 13 and the valve gap 5.Described tightening cover 15 screw threads are fixedly connected on valve body 13 bottoms, are provided with seal ring between described valve body 13 and the tightening cover 15.Described valve body 13, valve gap 5 and tightening cover 15 constitute the utility model agent structure, and for effectively strengthening intensity of the present utility model, above-mentioned three main body parts generally adopt metallic material to be made.
Described valve gap 5 is provided with the spool controlling device, described spool controlling device comprises regulating handle 1, the central position forms push rod 2 in the regulating handle 1, be arranged with spring 1 on the push rod 2,2 are fixed with fixed tray 16 on the preferred described push rod of the utility model, and spring one 3 upper ends are supported and are located at fixed tray 16 bottoms.Spring one 3 lower ends are supported and are located on the diaphragm 7, and top, diaphragm 7 bottoms is located on the spool device.Be provided with seal washer 6 between described diaphragm 7 bottoms and the valve body 13.
Described valve body 13 is provided with suction port 8 and air outlet 9, be provided with the spool device between described suction port 8 and the air outlet 9, described spool device comprises is located at spool 10 and the pad 11 that is fixed on the spool 10, and top, pad 11 bottoms is provided with spring 2 14, and spring 2 14 lower ends are supported and are located on the tightening cover 15; Described spool 10 tops contact mutually with diaphragm 7 bottoms.Form directional post 12 on the preferred described tightening cover 15 of the utility model, described spring 2 14 is sheathed on the directional post 12, and spring 2 14 lower ends are supported and are located at the bottom portion of groove that directional post 12 places enclose.
Described valve body 13 is provided with periphery, valve gap 5 joint pieces together cap 4, can effectively increase the force intensity that is subjected to of the present utility model like this.
The utility model working principle: originally, the utility model regulating handle 1 unscrews, and under the effect of spring 2 14, is in raised state by push rod 2, spool 10 and pad 11, this moment, pad 11 just in time was between suction port 8 and the air outlet 9, and the utility model is in closed condition.When need are opened the utility model, screw regulating handle 1, push rod 2 holddown springs 1, thereby make diaphragm 7 to pressing down, spool 10 and pad 11 move down, and open between suction port 8 and the air outlet 9, and the utility model is in opening state, when needing to regulate pressure, only needing to regulate the position of pad 11 between suction port 8 and air outlet 9 can realize.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (6)
1. one kind is improved structure of relief pressure valve, comprise valve body (13), be fixedly connected on the valve gap (5) on valve body (13) top, be fixedly connected on the tightening cover (15) of valve body (13) bottom, described valve body (13) is provided with suction port (8) and air outlet (9), it is characterized in that: be provided with the spool device between described suction port (8) and air outlet (9), described valve gap (5) is provided with the spool controlling device, described spool controlling device comprises regulating handle (1), the interior central position of regulating handle (1) forms push rod (2), be arranged with spring one (3) on the push rod (2), spring one (3) lower end is supported and is located on the diaphragm (7), and top, diaphragm (7) bottom is located on the spool device.
2. improvement structure of relief pressure valve according to claim 1, it is characterized in that: described spool device comprises to be located at spool (10) and to be fixed in pad (11) on the spool (10), top, pad (11) bottom is provided with spring two (14), and spring two (14) lower ends are supported and are located on the tightening cover (15); Described spool (10) top contacts mutually with diaphragm (7) bottom.
3. improvement structure of relief pressure valve according to claim 2, it is characterized in that: form directional post (12) on the described tightening cover (15), described spring two (14) is sheathed on the directional post (12), and spring two (14) lower ends are supported and are located at the bottom portion of groove that directional post (12) is located to enclose.
4. improvement structure of relief pressure valve according to claim 3 is characterized in that: described push rod (2) is fixed with fixed tray (16), and spring one (3) upper end is supported and is located at fixed tray (16) bottom.
5. according to the arbitrary described improvement structure of relief pressure valve of claim 1-4, it is characterized in that: be provided with seal washer (6) between described diaphragm (7) bottom and the valve body (13).
6. improvement structure of relief pressure valve according to claim 5 is characterized in that: described valve body (13) is provided with valve gap (5) periphery, joint pieces together cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211317U CN202040388U (en) | 2011-04-22 | 2011-04-22 | Improved pressure reducing valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201211317U CN202040388U (en) | 2011-04-22 | 2011-04-22 | Improved pressure reducing valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040388U true CN202040388U (en) | 2011-11-16 |
Family
ID=44967830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201211317U Expired - Fee Related CN202040388U (en) | 2011-04-22 | 2011-04-22 | Improved pressure reducing valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006178A (en) * | 2014-06-09 | 2014-08-27 | 宁波新佳行自动化工业有限公司 | Metal pressure adjusting valve |
| CN106168303A (en) * | 2016-08-26 | 2016-11-30 | 北京控制工程研究所 | A kind of micrometeor high accuracy lightweight miniaturization pressure maintaining valve |
-
2011
- 2011-04-22 CN CN2011201211317U patent/CN202040388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006178A (en) * | 2014-06-09 | 2014-08-27 | 宁波新佳行自动化工业有限公司 | Metal pressure adjusting valve |
| CN106168303A (en) * | 2016-08-26 | 2016-11-30 | 北京控制工程研究所 | A kind of micrometeor high accuracy lightweight miniaturization pressure maintaining valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140422 |