CN203713853U - Manual valve - Google Patents
Manual valve Download PDFInfo
- Publication number
- CN203713853U CN203713853U CN201320839606.5U CN201320839606U CN203713853U CN 203713853 U CN203713853 U CN 203713853U CN 201320839606 U CN201320839606 U CN 201320839606U CN 203713853 U CN203713853 U CN 203713853U
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- CN
- China
- Prior art keywords
- valve body
- spool
- valve
- annular convex
- seal ring
- 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
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Abstract
The utility model belongs to the technical field of automobile valves, and particularly relates to a manual valve. The technical problems that the prior art is not reasonable and the like are solved. One side of a valve body is provided with an air inlet connected with a first air inlet passage radially arranged and a second air inlet passage axially arranged, the other side of the valve body is provided with an air outlet higher than the air inlet, the bottom of the valve body is provided with an exhaust hole, the air outlet is formed in a bottom cover connected with the valve body by a thread structure, the valve body is internally provided with a valve core, a first annular convex body is arranged between the bottom cover and the valve core and is connected with the bottom cover into a whole, the bottom of the valve core is provided with a first seal ring capable of being matched with the first annular convex body, the top of the valve core is provided with a second seal ring, and a second annular convex body is arranged between the second seal ring and the valve body. Compared with the prior art, the manual valve has the advantages that the design is reasonable, the structure is simple, the air control effect is good, the equipment cost is low, the sealing property is good, leakage is not easy to cause when the valve is used, and the air exhaust effect is good.
Description
Technical field
The utility model belongs to automobile valve technology field, especially relates to a kind of hand control valve (HCV).
Background technology
Along with social development, people's living standard is progressive constantly, and automobile obtains applying more and more widely as a kind of common transport facility.Automobile manual valve is to have the tractor truck of brake application by spring and the emergency braking of trailer and stopping brake for handling, and is used for only under the effect of tractor truck stopping brake, checking the common components of stopping slope ability of automobile, and it is directly connected to the safety of driving.Automobile manual valve is of a great variety at present, also exists some shortcomings, is mainly manifested in complex structure, easily damages, and exhaust effect is undesirable.
The problem existing in order to solve prior art, people have carried out long-term exploration, have proposed multi-form solution.For example, Chinese patent literature discloses a kind of hand control valve (HCV) [application number: 03212479.1], this valve is on the basis of prior art, improved the inside and outside structure of valve, connection end and spool design are integral, and joystick knock hole is opened on connection end, and spool oilhole changes two into by original three, and valve body on oilhole, set up high and low pressure adaptor union, in the circlip groove that the other end of spool has, be provided with circlip.
Such scheme has improved prior art to a certain extent, has reduced the productive costs of hand control valve (HCV), has improved production efficiency, and the stick position of hand control valve (HCV) is directly determined, it is more accurate to locate.But, this scheme still exist complex structure, sealing effectiveness poor, easily reveal the technical matters such as control gas effect is undesirable.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, simple in structure, the effective hand control valve (HCV) of control gas.
For achieving the above object, the utility model has adopted following technical proposal: this hand control valve (HCV), comprise valve body and be located at the handle on valve body, in described valve body, be provided with spool, described handle, at its lower end is arranged on spool, it is characterized in that, described valve body one side is provided with admission port, on described admission port, be connected with the first free air diffuser radially arranging and the second free air diffuser axially arranging, described valve body opposite side is provided with the air extractor duct higher than admission port, in valve body bottom, be provided with exhausr port, described air extractor duct is arranged on bottom, described bottom is connected with valve body by helicitic texture, in described valve body, be provided with spool, between described bottom and spool, be provided with the first annular convex, the first described annular convex is connected with bottom, described spool bottom is provided with first seal ring that can coordinate with the first annular convex, described spool top is provided with the second seal ring, between the second described seal ring and valve body, be provided with the second annular convex, the second described annular convex is connected with valve body, and the second annular convex is between admission port and air extractor duct, on spool, be also provided with spring.
Further, the gas that described poppet shaft can be blocked the second free air diffuser by the first seal ring and the first annular convex when declining enters exhausr port, and the first free air diffuser is communicated with air extractor duct; The gas that described poppet shaft can be blocked the first free air diffuser by the second seal ring and the second annular convex when rising enters air extractor duct, and the second free air diffuser is communicated with exhausr port, good seal performance.
In above-mentioned hand control valve (HCV), between described handle and valve body, be provided with baffle plate, described handle is provided with the circle that stops that can coordinate with baffle plate
In above-mentioned hand control valve (HCV), described handle is connected with spool by pressing structure.
Above-mentioned pressing structure is prior art, can switch and locate the axial location of spool by pressing handle.
In above-mentioned hand control valve (HCV), on described handle, be also provided with press section.
In above-mentioned hand control valve (HCV), on described spool, be also provided with circular groove, described circular groove can be communicated with the blind hole of spool bottom, and described blind hole and exhausr port concentric arrange.When poppet shaft is when rising, circular groove can be communicated with admission port.
Compared with prior art, the advantage of this hand control valve (HCV) is: reasonable in design, simple in structure, control gas is effective, and equipment cost is low, and good seal performance is not easy during use to produce and reveals, and good exhaust effect, can prevent that exhaust not in time by actv..
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram that the utility model provides.
In figure, valve body 1, handle 2, spool 3, admission port 11, the first free air diffuser 111, the second free air diffuser 112, air extractor duct 12, exhausr port 13, bottom 14, the first annular convex 141, the first seal ring 31, the second seal ring 32, the second annular convex 1a, circular groove 3a, blind hole 3b, baffle plate 21, stop circle 22, press section 2a.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, this hand control valve (HCV), comprise valve body 1 and be located at the handle 2 on valve body 1, in valve body 1, be provided with spool 3, handle 2 lower ends are arranged on spool 3, valve body 1 one sides are provided with admission port 11, on admission port 11, be connected with the first free air diffuser 111 radially arranging and the second free air diffuser 112 axially arranging, valve body 1 opposite side is provided with the air extractor duct 12 higher than admission port 11, in valve body 1 bottom, be provided with exhausr port 13, air extractor duct 12 is arranged on bottom 14, bottom 14 is connected with valve body 1 by helicitic texture, in valve body 1, be provided with spool 3, between bottom 14 and spool 3, be provided with the first annular convex 141, the first annular convex 141 is connected with bottom 14, spool 3 bottoms are provided with first seal ring 31 that can coordinate with the first annular convex 141, spool 3 tops are provided with the second seal ring 32, between the second seal ring 32 and valve body 1, be provided with the second annular convex 1a, the second annular convex 1a is connected with valve body 1, and the second annular convex 1a is between admission port 11 and air extractor duct 12.On spool 3, be also provided with circular groove 3a, circular groove 3a can be communicated with the blind hole 3b of spool 3 bottoms, blind hole 3b and exhausr port 13 concentric settings.Between handle 2 and valve body 1, be provided with baffle plate 21, handle 2 be provided with can coordinate with baffle plate 21 stop circle 22, handle 2 is connected with spool 3 by pressing structure, is also provided with press section 2a on handle 2.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used valve body 1, handle 2, spool 3, admission port 11, the first free air diffuser 111, the second free air diffuser 112, air extractor duct 12, exhausr port 13, bottom 14, the first annular convex 141, the first seal ring 31, the second seal ring 32, the second annular convex 1a, circular groove 3a, blind hole 3b, baffle plate 21 herein, stopped the terms such as circle 22, press section 2a, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model, they are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. a hand control valve (HCV), comprise valve body (1) and be located at the handle (2) on valve body (1), in described valve body (1), be provided with spool (3), described handle (2) lower end is arranged on spool (3), it is characterized in that, described valve body (1) one side is provided with admission port (11), on described admission port (11), be connected with the first free air diffuser (111) radially arranging and the second free air diffuser (112) axially arranging, described valve body (1) opposite side is provided with the air extractor duct (12) higher than admission port (11), in valve body (1) bottom, be provided with exhausr port (13), described air extractor duct (12) is arranged on bottom (14), described bottom (14) is connected with valve body (1) by helicitic texture, in described valve body (1), be provided with spool (3), between described bottom (14) and spool (3), be provided with the first annular convex (141), described the first annular convex (141) is connected with bottom (14), described spool (3) bottom is provided with first seal ring (31) that can coordinate with the first annular convex (141), described spool (3) top is provided with the second seal ring (32), between described the second seal ring (32) and valve body (1), be provided with the second annular convex (1a), described the second annular convex (1a) is connected with valve body (1), and the second annular convex (1a) is positioned between admission port (11) and air extractor duct (12).
2. hand control valve (HCV) according to claim 1, is characterized in that, between described handle (2) and valve body (1), is provided with baffle plate (21), described handle (2) be provided with can coordinate with baffle plate (21) stop circle (22).
3. hand control valve (HCV) according to claim 1 and 2, is characterized in that, described handle (2) is connected with spool (3) by pressing structure.
4. hand control valve (HCV) according to claim 1 and 2, is characterized in that, is also provided with press section (2a) on described handle (2).
5. hand control valve (HCV) according to claim 1 and 2, it is characterized in that, on described spool (3), be also provided with circular groove (3a), described circular groove (3a) can be communicated with the blind hole (3b) of spool (3) bottom, described blind hole (3b) and exhausr port (13) concentric setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839606.5U CN203713853U (en) | 2013-12-18 | 2013-12-18 | Manual valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320839606.5U CN203713853U (en) | 2013-12-18 | 2013-12-18 | Manual valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713853U true CN203713853U (en) | 2014-07-16 |
Family
ID=51153032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320839606.5U Expired - Fee Related CN203713853U (en) | 2013-12-18 | 2013-12-18 | Manual valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713853U (en) |
-
2013
- 2013-12-18 CN CN201320839606.5U patent/CN203713853U/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 |
Granted publication date: 20140716 Termination date: 20141218 |
|
| EXPY | Termination of patent right or utility model |