CN201672066U - High frequency gas-liquid switch valve - Google Patents
High frequency gas-liquid switch valve Download PDFInfo
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- CN201672066U CN201672066U CN2010201851944U CN201020185194U CN201672066U CN 201672066 U CN201672066 U CN 201672066U CN 2010201851944 U CN2010201851944 U CN 2010201851944U CN 201020185194 U CN201020185194 U CN 201020185194U CN 201672066 U CN201672066 U CN 201672066U
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- valve
- static seal
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- valve pocket
- liquid
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Abstract
The utility model relates to a high frequency gas-liquid switch valve, which comprises a valve core. The valve core is arranged inside a valve bush which is loaded into an inner cavity of a valve body, one end of the valve bush is arranged inside an end cover which is fixed on the valve body, a spray nozzle is fixed on the valve body, a static sealing groove of the valve body is internally provided with a fourth static seal, a dynamic sealing groove of the valve core is internally provided with a first dynamic seal and a second dynamic seal, and a static sealing groove of the valve bush is internally provided with a first static seal, a second static seal and a third static seal. When an air control port is accessed to the atmosphere, liquid with pressure enters the valve body through an inlet and only acts on a small-diameter end of the valve core after passing through an inlet hole and a small valve bush hole, the valve core moves upwards, the air control port is used for exhausting, and the liquid enters the spray nozzle through a connecting hole of the spray nozzle; and when the air control port is introduced with compressed air, the valve core moves downwards until the lower conical end surface of the valve core is in contact with the conical surface of the valve bush, and the liquid is cut off and flows to an outlet. The utility model has the advantages of long service life, high reliability on valve core actions, good sealing property, simple processing and low manufacturing cost.
Description
Technical field
The utility model belongs to cold rolling unit switch valve technical field, is specifically related to a kind of high-frequency gas-liquid switch valve.
Background technique
Existing cold rolling unit process lubrication system single-nozzle flow switching valve is divided into three kinds substantially both at home and abroad: first kind is the cartridge valve that directly drives spool type with electromagnet, the valve of this type, the manufacture cost height, the possibility of field maintenance is very low, if fault has only whole valve replacement; Second kind is the cartridge valve with the compressed air-driven spool type, because structural limitations, spool does not have relief hole, and along with the increase of service time, easily form the cavity pocketed oil, liquid easily leaks into air cavity, pollutes source of the gas, the reliability of spool action sharply reduces, simultaneously because the plug-in mounting form causes the valve plate fabricating cost height of its installation; The third is for driving the board-like installation valve of spool type with the pressurized air additional springs, the valve of this type requires height, this kind valve because of no valve pocket to air cavity air pressure, and the valve body difficulty of processing is big, and spool is stuck easily, seal spool only has together, is difficult to guarantee the real isolation in gas, liquid two chambeies.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of high-frequency gas-liquid switch valve, avoided cavity to be stranded pressing and liquid medium to the leakage of air cavity, have long service life, spool reliable in action height, good seal performance, processing is simple, fabricating cost is low advantage.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of high-frequency gas-liquid switch valve, comprise spool 1, spool 1 is installed in the valve pocket 4, spool 1 can slide in valve pocket 4, pack into the inner chamber of valve body 5 of valve pocket 4, one end of valve pocket 4 is contained in the end cap 6, end cap 6 is fixed on the valve body 5, nozzle 7 is fixed on the valve body 5, the 4th static seal 11 is housed in the static seal groove of valve body 5, dispose first motive sealing 2 and second motive sealing 3 in the first motive sealing groove 13 of spool 1 and the second motive sealing groove 14 respectively, the first static seal groove 21 of valve pocket 4, the second static seal groove 22 and the 3rd static seal groove 23 are equipped with first static seal 8 respectively, second static seal 9 and the 3rd static seal 10, second static seal 9, the 3rd static seal 10 is with pack into the inner chamber of valve body 5 of valve pocket 4, and first static seal 8 is contained in the end cap 6 with an end of valve pocket 4.
Described spool 1 adopts macromolecular material, and structure is the multidiameter shaft form, and axle is provided with balancing slit 12, the first motive sealing groove 13 and the second motive sealing groove 14, and miner diameter end is a bevel sealing surface 15, and the bigger diameter end face is provided with air inlet duct 16.
Described valve pocket 4 endoporus are the shoulder hole form, and aperture 17 bottoms are bevel sealing surface 18, and macropore 19 bottoms are provided with exhaust port 20, and valve pocket 4 cylindricals are the multidiameter shaft form, are provided with the first static seal groove 21, the second static seal groove 22 and the 3rd static seal groove 23.
Described valve body 5 is the shoulder hole form, and is radial seal between the valve pocket 4, and hole, liquid inlet 24 and nozzle attachment hole were located at bi-side in 25 minutes, and the end of valve body 5 is provided with air vent 26, and valve body 5 adopts board-like installation pattern, and valve body 5 is provided with liquid inlet A.
Be radial seal between described end cap 6 and the valve pocket 4, valve pocket 4 embeds in the end cap 6, and the side of end cap 6 is provided with gas control mouth C.
Described nozzle 7 adopts the ball-joint form, and spray angle is adjustable in ± 15 ° of scopes, and nozzle 7 is provided with liquid outlet B.
Working principle of the present utility model: spool 1, valve pocket 4, end cap 6, the cavity that second motive sealing 3 and first static seal 8 form is " air cavity ", spool 1, valve pocket 4, valve body 5, nozzle 7, first motive sealing 2, second static seal 9, the cavity that the 3rd static seal 10 and the 4th static seal 11 form is " liquid container ", spool 1, valve pocket 4, first motive sealing 2, second motive sealing 3, the cavity that first static seal 8 and second static seal 9 form is " cavity D ", when gas control mouth C inserts atmosphere, liquid with pressure enters valve body 5 by inlet A, liquid is through the inlet opening 24, only act on the miner diameter end of spool 1 behind valve pocket 4 apertures 17, spool 1 moves upward, cavity D is air-breathing, gas control mouth C exhaust, liquid enters nozzle 7 through the attachment hole 25 of nozzle 7, by outlet B ejection; When gas control mouth C fed pressurized air, gas only affacted spool 1 bigger diameter end after air inlet duct 16 enters air cavity, and spool 1 moves downward, air cavity continues air inlet, the cavity D exhaust contacts with the conical surface 18 of valve pocket 4 up to the spool 1 lower end conical surface 15, cuts off liquid flowing to outlet B.
Because spool adopts macromolecular material, movement inertia is low, and its structure adopts the design of low friction motive sealing, multidiameter shaft, balancing slit, thus the spool action the reliability height; Because the setting of air vent on valve pocket upper air-vent and the valve body, thus avoided cavity to be stranded pressing and liquid medium to the leakage of air cavity; Owing to adopt radial seal between end cap and the valve pocket, so good seal performance; Because it is simple that valve pocket makes that valve body structure becomes, nozzle angle is adjustable to increase the coverage area that this valve sprays, and adds board-like installation type structure, so have the advantage that processing is simple, fabricating cost is low.Under the air pressure of 4～6bar, during medium pressure liquid 3～7bar, can realize 5 times On/Off action each second during less than 1.5 times of air pressure when medium pressure liquid, the open and close life-span of valve reaches 10
5More than inferior.
Description of drawings
Fig. 1 is a structure sectional view of the present utility model.
Fig. 2-a is the sectional view of spool 1 of the present utility model.
The side view of Fig. 2-b spool 1 of the present utility model.
Fig. 3 is the sectional view of valve pocket 4 of the present utility model.
Fig. 4 is the sectional view of valve body 5 of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
With reference to Fig. 1, a kind of high-frequency gas-liquid switch valve, comprise spool 1, spool 1 is installed in the valve pocket 4, spool 1 can slide in valve pocket 4, pack into the inner chamber of valve body 5 of valve pocket 4, one end of valve pocket 4 is contained in the end cap 6, end cap 6 is fixed on the valve body 5, nozzle 7 is fixed on the valve body 5 by nozzle attachment hole 25, the 4th static seal 11 is housed in the static seal groove of valve body 5, dispose first motive sealing 2 and second motive sealing 3 in the first motive sealing groove 13 of spool 1 and the second motive sealing groove 14 respectively, the first static seal groove 21 of valve pocket 4, the second static seal groove 22 and the 3rd static seal groove 23 are equipped with first static seal 8 respectively, second static seal 9 and the 3rd static seal 10, the second static seals 9, the 3rd static seal 10 is with pack into the inner chamber of valve body 5 of valve pocket 4, and first static seal 8 is contained in the end cap 6 with an end of valve pocket 4.
With reference to Fig. 2-a and Fig. 2-b, described spool 1 adopts macromolecular material, low inertia is convenient to realize the high frequency action, structure is the multidiameter shaft form, be convenient to little air pressure and can overcome fluid pressure driving spool, axle is provided with balancing slit 12, the first motive sealing groove 13 and the second motive sealing groove 14, and balancing slit 12 is used to prevent spool 1 chucking, miner diameter end is a bevel sealing surface 15, and the bigger diameter end face is provided with air inlet duct 16.
With reference to Fig. 3, described valve pocket 4 endoporus are the shoulder hole form, to cooperate the motion of spool 1, aperture 17 bottoms are bevel sealing surface 18, macropore 19 bottoms are provided with exhaust port 20, valve pocket 4 cylindricals are the multidiameter shaft form, are provided with the first static seal groove 21, the second static seal groove 22 and the 3rd static seal groove 23.
With reference to Fig. 4, described valve body 5 is the shoulder hole form, and be radial seal between the valve pocket 4, hole, liquid inlet 24 and nozzle attachment hole were located at bi-side in 25 minutes, the end of valve body 5 is provided with air vent 26, and to cooperate air-breathing, the exhaust of cavity D, valve body 5 adopts board-like installation pattern, valve body 5 is provided with liquid inlet A, and liquid enters valve body 5 by inlet A.
Be radial seal between described end cap 6 and the valve pocket 4, guaranteed the sealing effect of air cavity, valve pocket 4 embeds in the end cap 6, makes whole valve arrangement compact more, and gas control mouth C is located at the side of end cap 6.
Described nozzle 7 adopts the ball-joint form, and spray angle is adjustable in ± 15 ° of scopes, and the sealing of ball pivot has the awl sealed characteristic, and nozzle 7 is provided with liquid outlet B, and when valve was opened, liquid was by outlet B ejection.
Working principle of the present utility model: spool 1, valve pocket 4, end cap 6, the cavity that second motive sealing 3 and first static seal 8 form is " air cavity ", spool 1, valve pocket 4, valve body 5, nozzle 7, first motive sealing 2, second static seal 9, the cavity that the 3rd static seal 10 and the 4th static seal 11 form is " liquid container ", spool 1, valve pocket 4, first motive sealing 2, second motive sealing 3, the cavity that first static seal 8 and second static seal 9 form is " cavity D ", " cavity D " is by the exhaust port 20 on the valve pocket 4, air vent 26 on the valve body 5 links to each other with atmosphere all the time, when gas control mouth C inserts atmosphere, liquid with pressure enters valve body 5 by inlet A, because the seal action of first motive sealing 2 on the spool 1, liquid is through the inlet opening 24, only act on the miner diameter end of spool 1 behind valve pocket 4 apertures 17, spool 1 moves upward, cavity D is air-breathing, gas control mouth C exhaust, at this moment, inlet A is communicated with outlet B, liquid enters nozzle 7 through the attachment hole 25 of nozzle 7, by outlet B ejection; When gas control mouth C feeds pressurized air, because the seal action of second motive sealing 3 on the spool 1, gas only affacts spool 1 bigger diameter end after air inlet duct 16 enters air cavity, because spool 1 bigger diameter end area is much larger than the miner diameter end area, the active force that the downward active force of air cavity will make progress greater than liquid container, spool 1 moves downward, air cavity continues air inlet, the cavity D exhaust contacts with the conical surface 18 of valve pocket 4 up to the spool 1 lower end conical surface 15, cuts off liquid flowing to outlet B.
In the accompanying drawing: 1 is spool; 2 is first movable sealing; 3 is second movable sealing; 4 is valve pocket; 5 is valve body; 6 is end cap; 7 is nozzle; 8 is first static seal; 9 is second static seal; 10 is the 3rd static seal; 11 is the 4th static seal; 12 is balancing slit; 13 is the first movable sealing groove; 14 is the second movable sealing groove; 15 is the spool bevel sealing surface; 16 is air inlet duct; 17 is aperture; 18 is the valve pocket bevel sealing surface; 19 is macropore; 20 is steam vent; 21 is the first static seal groove; 22 is the second static seal groove; 23 is the 3rd static seal groove; 24 is the ingate of liquid; 25 is the connecting hole of nozzle; 26 is air discharge duct; A is entrance; B is outlet; C is the gas control mouth; D is cavity.
Claims (6)
1. high-frequency gas-liquid switch valve, comprise spool (1), spool (1) is installed in the valve pocket (4), spool (1) can slide in valve pocket (4), pack into the inner chamber of valve body (5) of valve pocket (4), one end of valve pocket (4) is contained in the end cap (6), end cap (6) is fixed on the valve body (5), nozzle (7) is fixed on the valve body (5) by nozzle attachment hole (25), the 4th static seal (11) is housed in the static seal groove of valve body (5), it is characterized in that: dispose first motive sealing (2) and second motive sealing (3) respectively in the first motive sealing groove (13) of spool (1) and the second motive sealing groove (14), the first static seal groove (21) of valve pocket (4), the second static seal groove (22) and the 3rd static seal groove (23) are equipped with first static seal (8) respectively, second static seal (9) and the 3rd static seal (10), second static seal (9), the 3rd static seal (10) is with pack into the inner chamber of valve body (5) of valve pocket (4), and first static seal (8) is contained in the end cap (6) with an end of valve pocket (4).
2. a kind of high-frequency gas-liquid switch valve according to claim 1, it is characterized in that: described spool (1) adopts macromolecular material, structure is the multidiameter shaft form, axle is provided with balancing slit (12), the first motive sealing groove (13) and the second motive sealing groove (14), miner diameter end is bevel sealing surface (15), and the bigger diameter end face is provided with air inlet duct (16).
3. a kind of high-frequency gas-liquid switch valve according to claim 1, it is characterized in that: described valve pocket (4) endoporus is the shoulder hole form, aperture (17) bottom is bevel sealing surface (18), macropore (19) bottom is provided with exhaust port (20), valve pocket (4) cylindrical is the multidiameter shaft form, is provided with the first static seal groove (21), the second static seal groove (22) and the 3rd static seal groove (23).
4. a kind of high-frequency gas-liquid switch valve according to claim 1, it is characterized in that: described valve body (5) is the shoulder hole form, and be radial seal between the valve pocket (4), hole, liquid inlet (24) and nozzle attachment hole (25) branch are located at bi-side, the end of valve body (5) is provided with air vent (26), valve body (5) adopts board-like installation pattern, and valve body (5) is provided with liquid inlet (A).
5. a kind of high-frequency gas-liquid switch valve according to claim 1 is characterized in that: be radial seal between described end cap (6) and the valve pocket (4), valve pocket (4) embeds in the end cap (6), and the side of end cap (6) is provided with gas opening (C).
6. a kind of high-frequency gas-liquid switch valve according to claim 1 is characterized in that: described nozzle (7) adopts the ball-joint form, and spray angle is adjustable in ± 15 ° of scopes, and nozzle (7) is provided with liquid outlet (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201851944U CN201672066U (en) | 2010-05-10 | 2010-05-10 | High frequency gas-liquid switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201851944U CN201672066U (en) | 2010-05-10 | 2010-05-10 | High frequency gas-liquid switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672066U true CN201672066U (en) | 2010-12-15 |
Family
ID=43329478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201851944U Expired - Fee Related CN201672066U (en) | 2010-05-10 | 2010-05-10 | High frequency gas-liquid switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672066U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818819A (en) * | 2010-05-10 | 2010-09-01 | 中国重型机械研究院有限公司 | High-frequency gas-liquid switch valve |
| CN102506221A (en) * | 2011-09-28 | 2012-06-20 | 无锡锦和科技有限公司 | Closed self-suction large-aperture quick-release valve |
| CN108266562A (en) * | 2016-12-30 | 2018-07-10 | 华中科技大学 | A kind of high-pressure gas flow adjustable valve |
-
2010
- 2010-05-10 CN CN2010201851944U patent/CN201672066U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818819A (en) * | 2010-05-10 | 2010-09-01 | 中国重型机械研究院有限公司 | High-frequency gas-liquid switch valve |
| CN102506221A (en) * | 2011-09-28 | 2012-06-20 | 无锡锦和科技有限公司 | Closed self-suction large-aperture quick-release valve |
| CN102506221B (en) * | 2011-09-28 | 2014-07-09 | 无锡锦和科技有限公司 | Closed self-suction large-aperture quick-release valve |
| CN108266562A (en) * | 2016-12-30 | 2018-07-10 | 华中科技大学 | A kind of high-pressure gas flow adjustable valve |
| CN108266562B (en) * | 2016-12-30 | 2019-04-12 | 华中科技大学 | A kind of high-pressure gas flow amount control device |
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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: 20101215 Termination date: 20120510 |