CN203703293U - Novel pressure reducing valve - Google Patents
Novel pressure reducing valve Download PDFInfo
- Publication number
- CN203703293U CN203703293U CN201420066542.4U CN201420066542U CN203703293U CN 203703293 U CN203703293 U CN 203703293U CN 201420066542 U CN201420066542 U CN 201420066542U CN 203703293 U CN203703293 U CN 203703293U
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- China
- Prior art keywords
- hole
- valve
- valve body
- pressure regulation
- jacket casing
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Abstract
The utility model relates to the technical field of pneumatic elements, in particular to a novel pressure reducing valve. The novel pressure reducing valve comprises a valve body and a valve deck, wherein an air inlet and an air outlet communicated with an inner cavity of the valve body are formed in the two sides of the valve body, a guiding hole is formed in the upper end of the valve body, a partition board separated from the inner cavity of the valve body is arranged at the bottom end of the guiding hole, a pressure regulating tube sleeve is arranged in the valve body, the upper end of the pressure regulating tube sleeve is connected with the partition board, the upper end and lower end of a setting spring abut against an adjusting nut and a valve block respectively, a bottom cover is arranged at the lower end of a pressure regulating hole, the upper end of a round-head ejector pin penetrates through the pressure regulating tube sleeve and a first through hole and abuts against a port of a pressure relief hole, and a reset spring is arranged outside a plug sleeve. According to the novel pressure reducing valve, the structure is reasonable, air pressure acts on the valve block directly through a connection hole after entering the inner cavity of the valve body, a response can be made faster due to the fact that the lower end of the setting spring abuts against the valve block, and therefore air pressure can be better regulated and adaptation to air pressure fluctuation can be better achieved; the structure is stable and reliable, and the service life is longer; the structural design is reasonable, machining is convenient, production efficiency can be improved effectively, and cost is reduced.
Description
Technical field
The utility model relates to pneumatic element technical field, particularly Depressure valve.
Background technique
Reduction valve is the pneumatic element of the stable output of a kind of adjustable pressure, in the time of input end air pressure fluctuation, can automatically regulate the position that is arranged at the diaphragm in valve body, and then pressurized air is carried out to throttling adjusting, to guarantee the stable gas pressure of output terminal.The common most complex structure of reduction valve at present, its internal structure arranges reasonable not, and degree of regulation is lower, and processing difficulties cost is higher.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of rational in infrastructure, regulate Depressure valve accurate, easy to process.
For achieving the above object, the utility model is by the following technical solutions:
Depressure valve described in the utility model, comprises valve body and valve gap, and described valve body both sides are provided with the inlet hole and the exhaust port that are communicated with its inner chamber, and valve body upper end is provided with pilot hole, and valve body lower end is provided with the regulator hole being communicated with its inner chamber; The bottom of pilot hole is provided with the dividing plate separating with body cavity, is provided with pressure regulation jacket casing in valve body, and pressure regulation jacket casing upper end is connected with dividing plate, and pressure regulation jacket casing one side offers the attachment hole connecting with inlet hole, and pressure regulation jacket casing lower end mouth just arranges with one heart to regulator hole and its; On dividing plate in pressure regulation jacket casing, have through hole one, on the sidewall of attachment hole, have the through hole two that is communicated with pilot hole; Described valve gap is arranged at valve body upper end, in valve gap, be provided with adjusting bolt, valve piece and definite value spring, valve piece is movably set in pilot hole, valve piece outer rim is provided with the y-shaped ring with the laminating of pilot hole inwall, adjusting bolt top is provided with limited ring, and the inner side of being located at valve gap upper end-hole is supported through valve gap upper end-hole and limited ring in adjusting bolt upper end; Adjusting bolt bottom is bolted with lifting in valve gap but non-rotatable adjusting nut, and the upper and lower end of described definite value spring supports and is located on adjusting nut and valve piece respectively; Described regulator hole lower end is provided with bottom, bottom inboard is provided with spool, spool upper end is arranged with can be along the plug cover of spool lifting, plug set upper side is provided with round end thimble, valve piece is provided with the relief hole of connecting valve cover cavity, round end thimble upper end is supported and is located on the port of relief hole in the lump through pressure regulation jacket casing and through hole, and the outside of plug cover is provided with Returnning spring, and Returnning spring two ends are supported respectively and are located on plug cover and bottom.
Further, the outer rim of described spool upper end is provided with O shape circle, the inwall of plug cover and O shape circle close contact.
Further, described relief hole inner end is provided with slot, and the sidewall of slot is provided with the flexible gaskets coordinating with round end thimble, and the bottom surface of slot is provided with the ring washer coordinating with round end thimble top.
Further, described plug puts end face and outer edge is arranged with stuffing box gland, and the interior edge of pressure regulation jacket casing lower end surface is provided with projecting ring section, and the diameter of projecting ring section is less than the maximum diameter of stuffing box gland and is greater than the minimum diameter of stuffing box gland.
The utility model beneficial effect is: the utility model is rational in infrastructure, and air pressure directly acts on valve piece by attachment hole after entering body cavity, and definite value spring lower end supports that to be located on valve piece response faster, can better regulate and adapt to air pressure fluctuation; Round end thimble coordinates plug cover to coordinate with valve piece by Returnning spring, and structural stability is reliable, and working life is higher; Structure arranges rationally, easy to process, can effectively enhance productivity, and reduces costs.
Accompanying drawing explanation
Fig. 1 is whole interior structural representation of the present utility model.
In figure:
1, valve body; 2, valve gap; 3, bottom; 11, inlet hole;
12, exhaust port; 13, pilot hole; 14, regulator hole; 15, dividing plate;
16, pressure regulation jacket casing; 21, adjusting bolt; 22, definite value spring; 23, valve piece;
31, spool; 32, plug cover; 33, round end thimble; 34, Returnning spring;
35, O shape circle; 151, through hole one; 152, through hole two; 161, projecting ring section;
162, attachment hole; 211, limited ring; 212, regulator hole; 231, y-shaped ring;
232, relief hole; 233, slot; 234, flexible gaskets; 235, ring washer;
321, stuffing box gland.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Depressure valve described in the utility model, comprises valve body 1 and valve gap 2, and described valve body 1 both sides are provided with the inlet hole 11 and the exhaust port 12 that are communicated with its inner chamber, and valve body 1 upper end is provided with pilot hole 13, and valve body 1 lower end is provided with the regulator hole 14 being communicated with its inner chamber; The bottom of pilot hole 13 is provided with the dividing plate 15 separating with valve body 1 inner chamber, in valve body 1, be provided with pressure regulation jacket casing 16, pressure regulation jacket casing 16 upper ends are connected with dividing plate 15, and pressure regulation jacket casing 16 1 sides offer the attachment hole 162 connecting with inlet hole 11, and pressure regulation jacket casing 16 lower end mouth just arrange with one heart to regulator hole 14 and its; On dividing plate 15 in pressure regulation jacket casing 16, have through hole 1, on the sidewall of attachment hole 162, have the through hole 2 152 that is communicated with pilot hole 13; Described valve gap 2 is arranged at valve body 1 upper end, in valve gap 2, be provided with adjusting bolt 21, valve piece 23 and definite value spring 22, valve piece 23 is movably set in pilot hole 13, valve piece 23 outer rims are provided with the y-shaped ring 231 with pilot hole 13 inwall laminatings, adjusting bolt 21 tops are provided with limited ring 211, and the inner side of being located at valve gap 2 upper end-hole is supported through valve gap 2 upper end-hole and limited ring 211 in adjusting bolt 21 upper ends; Adjusting bolt 21 bottoms are bolted with at the interior lifting of valve gap 2 but non-rotatable adjusting nut 212, and the upper and lower end of described definite value spring 22 supports and is located on adjusting nut 212 and valve piece 23 respectively; Described regulator hole 14 lower ends are provided with bottom 3, bottom 3 inboards are provided with spool 31, spool 31 upper ends are arranged with can be along the plug cover 32 of spool 31 liftings, plug overlaps 32 upper ends and is provided with round end thimble 33, valve piece 23 is provided with the relief hole 232 that is communicated with valve gap 2 inner chambers, round end thimble 33 upper ends are also supported and are located on the port of relief hole 232 through pressure regulation jacket casing 16 and through hole 1, and the outside of plug cover 32 is provided with Returnning spring 34, and Returnning spring 34 two ends are supported respectively and are located on plug cover 32 and bottom 3.
The outer rim of above-mentioned spool 31 upper ends is provided with O shape circle 35, and inwall and the O shape of plug cover 32 are enclosed 35 close contacts.
Above-mentioned relief hole 232 inner ends are provided with slot 233, and the sidewall of slot 233 is provided with the flexible gaskets 234 coordinating with round end thimble 33, and the bottom surface of slot 233 is provided with the ring washer 235 coordinating with round end thimble 33 tops.
Above-mentioned plug overlaps 32 upper-end surfaces and outer edge is arranged with stuffing box gland 321, and the interior edge of pressure regulation jacket casing 16 lower end surfaces is provided with projecting ring section 161, and the diameter of projecting ring section 161 is less than the maximum diameter of stuffing box gland 321 and is greater than the minimum diameter of stuffing box gland 321.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (4)
1. Depressure valve, comprise valve body (1) and valve gap (2), it is characterized in that: described valve body (1) both sides are provided with the inlet hole (11) and the exhaust port (12) that are communicated with its inner chamber, valve body (1) upper end is provided with pilot hole (13), and valve body (1) lower end is provided with the regulator hole (14) being communicated with its inner chamber, the bottom of pilot hole (13) is provided with the dividing plate (15) separating with valve body (1) inner chamber, in valve body (1), be provided with pressure regulation jacket casing (16), pressure regulation jacket casing (16) upper end is connected with dividing plate (15), pressure regulation jacket casing (16) one sides offer the attachment hole (162) connecting with inlet hole (11), and pressure regulation jacket casing (16) lower end mouth just arranges with one heart to regulator hole (14) and its, on dividing plate (15) in pressure regulation jacket casing (16), have through hole one (151), on the sidewall of attachment hole (162), have the through hole two (152) that is communicated with pilot hole (13), described valve gap (2) is arranged at valve body (1) upper end, in valve gap (2), be provided with adjusting bolt (21), valve piece (23) and definite value spring (22), valve piece (23) is movably set in pilot hole (13), valve piece (23) outer rim is provided with the y-shaped ring (231) with the laminating of pilot hole (13) inwall, adjusting bolt (21) top is provided with limited ring (211), and the inner side of being located at valve gap (2) upper end-hole is supported through valve gap (2) upper end-hole and limited ring (211) in adjusting bolt (21) upper end, adjusting bolt (21) bottom is bolted with lifting in valve gap (2) but non-rotatable adjusting nut (212), and the upper and lower end of described definite value spring (22) supports and is located on adjusting nut (212) and valve piece (23) respectively, described regulator hole (14) lower end is provided with bottom (3), bottom (3) inboard is provided with spool (31), spool (31) upper end is arranged with can be along the plug cover (32) of spool (31) lifting, plug cover (32) upper end is provided with round end thimble (33), valve piece (23) is provided with the relief hole (232) that is communicated with valve gap (2) inner chamber, round end thimble (33) upper end is also supported and is located on the port of relief hole (232) through pressure regulation jacket casing (16) and through hole one (151), the outside of plug cover (32) is provided with Returnning spring (34), Returnning spring (34) two ends are supported and are located on plug cover (32) and bottom (3) respectively.
2. Depressure valve according to claim 1, is characterized in that: the outer rim of described spool (31) upper end is provided with O shape circle (35), the inwall of plug cover (32) and O shape circle (35) close contact.
3. Depressure valve according to claim 1, it is characterized in that: described relief hole (232) inner end is provided with slot (233), the sidewall of slot (233) is provided with the flexible gaskets (234) coordinating with round end thimble (33), and the bottom surface of slot (233) is provided with the ring washer (235) coordinating with round end thimble (33) top.
4. Depressure valve according to claim 1, it is characterized in that: described plug cover (32) upper-end surface and outer edge are arranged with stuffing box gland (321), the interior edge of pressure regulation jacket casing (16) lower end surface is provided with projecting ring section (161), and the diameter of projecting ring section (161) is less than the maximum diameter of stuffing box gland (321) and is greater than the minimum diameter of stuffing box gland (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066542.4U CN203703293U (en) | 2014-02-14 | 2014-02-14 | Novel pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066542.4U CN203703293U (en) | 2014-02-14 | 2014-02-14 | Novel pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703293U true CN203703293U (en) | 2014-07-09 |
Family
ID=51053738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066542.4U Expired - Fee Related CN203703293U (en) | 2014-02-14 | 2014-02-14 | Novel pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321916A (en) * | 2016-11-08 | 2017-01-11 | 玉环江林水暖管业有限公司 | Flow safety valve |
-
2014
- 2014-02-14 CN CN201420066542.4U patent/CN203703293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321916A (en) * | 2016-11-08 | 2017-01-11 | 玉环江林水暖管业有限公司 | Flow safety valve |
| CN106321916B (en) * | 2016-11-08 | 2018-07-20 | 玉环江林水暖管业有限公司 | A kind of flow safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315500 Zhejiang Province, Ningbo city Fenghua District Xikou Zhen Ge Cun Da Ao Patentee after: Ningbo Chengguang weiteng Automation Machinery Co. Ltd. Address before: 315500 Zhejiang Province, Fenghua Xikou Zhen Hou Ge Cun Da Ao No. 44 Patentee before: FENGHUA CHENGUANG WEITENG AUTOMATION MACHINERY 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: 20140709 Termination date: 20200214 |