CN203472845U - Lever valve - Google Patents
Lever valve Download PDFInfo
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- CN203472845U CN203472845U CN201320514888.1U CN201320514888U CN203472845U CN 203472845 U CN203472845 U CN 203472845U CN 201320514888 U CN201320514888 U CN 201320514888U CN 203472845 U CN203472845 U CN 203472845U
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Abstract
The utility model relates to a lever valve which comprises a valve body (20) provided with a valve cavity, wherein an input port (22), an output port (23) and an exhaust port (24) are communicated with one another through the valve cavity, a valve element is arranged in the valve cavity and comprises an ejector rod (14), a valve base (15), a threaded sleeve (12) and a valve vulcanization component (16), a lever support (11) is fixedly installed at the top end of the valve body (20) and fixedly hinged to one end of a lever (10) through a cylindrical pin (21), the other end of the lever (10) is connected with a turning wheel (3) in a hinged mode through a cylindrical pin (4), and the lever (10) is in sliding contact with the ejector rod (10) of the valve element. Because a quick-action switch is installed on the valve body, the quick-action switch can output corresponding electric signals according to the state of the lever, and the operating state of the lever valve can be conveniently known. The valve element moves relatively and gently.
Description
Technical field
The utility model relates to steam supply valve technical field, particularly relates to a kind of steam supply valve, that is, a kind of lever valve, it is particularly useful for guideway vehicle air whistle system.
Background technology
The patent No. is that the Chinese utility model patent of ZL87213543.8 discloses a kind of sequence starting formula bagpipe emergency brake valve; This brake activation valve is comprised of valve body, valve, valve reset spring, valve actuator, this valve body is the valve body of a threeway, during this valve body work, shunter pulls after valve bracing wire, first starting steam whistle warning pedestrian and vehicle gives way, while carrying out emergency braking by described valve bracing wire startup valve body, if overexerted, easily break valve bracing wire, the generation easily causing the accident.
Summary of the invention
For overcoming above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a kind of and switches rapidly, endurance life-span and the good lever valve of high-temperature behavior, and in addition, this lever valve adopts K shape circle to seal, and can alleviate the friction drag of sliding surface under low pressure; Can meet particularly guideway vehicle long-term requirement of using under harsh environment of vehicle.
For achieving the above object, the technical solution of the utility model is: lever valve, comprise the valve body with valve pocket, and input port, delivery port, exhausr port, by described valve pocket mutual conduction, are provided with spool in valve pocket; Described spool comprises push rod, valve seat, swivel nut, valve sulfuration assembly, and the top of valve body is installed with lever dolly, and lever dolly is fixedly hinged by straight pin and lever one end, and the other end of lever is hinged with runner by straight pin; The push rod moving contact of lever and described spool.
Preferably, along the circumferential inner wall of described valve pocket, offer in the radial direction step circle.
In above-mentioned arbitrary scheme, preferably, the bottom of described valve pocket offers spacing hole.
In above-mentioned arbitrary scheme, preferably, the described step circle of take is divided into valve pocket top and valve pocket bottom by described valve pocket as center line.
In above-mentioned arbitrary scheme, preferably, the interior diameter on described valve pocket top is greater than the interior diameter of described valve pocket bottom.
In above-mentioned arbitrary scheme, preferably, on the inwall on described valve pocket top, offer negative thread.
In above-mentioned arbitrary scheme, preferably, in the outer circumferential walls of described valve sulfuration assembly, cover has pull back spring A.
In above-mentioned arbitrary scheme preferably, one end of described pull back spring A and the locating bush movable contact being enclosed within on described valve sulfuration assembly, the other end vulcanizes the positive stop lug boss movable contact on assembly with described valve.
In above-mentioned arbitrary scheme, preferably, on the cylindrical center position of described valve sulfuration assembly, offer axial hole.
In above-mentioned arbitrary scheme, preferably, in described axial hole, be filled with pull back spring B.
In above-mentioned arbitrary scheme, preferably, one end of described pull back spring B is enclosed within the connection boss of offering on described lever center, and the other end is placed in described spacing hole.
In above-mentioned arbitrary scheme, preferably, in the outer circumferential walls of the valve sulfuration assembly between described locating bush and the bottom of described valve pocket, cover has K shape seal ring.
In above-mentioned arbitrary scheme, preferably, described valve seat is enclosed within on described push rod and is movable with the K shape seal ring being enclosed within on described push rod.
In above-mentioned arbitrary scheme, preferably, the outer circumferential walls of described push rod is provided with step circle.
In above-mentioned arbitrary scheme, preferably, on described push rod, cover has a swivel nut, and the screw-internal thread fit of offering on the inwall of described swivel nut by the outside thread on it and described valve pocket top is connected and fixes described push rod.
In above-mentioned arbitrary scheme, preferably, described push rod runs through described valve seat.
In above-mentioned arbitrary scheme, further preferably, described valve pocket top and described delivery port connect.
In above-mentioned arbitrary scheme, further preferably, described valve pocket bottom and described input port, described exhausr port connect.
In above-mentioned arbitrary scheme, preferably, along the circumferential inner wall of described valve pocket, offer in the radial direction radial groove.
In above-mentioned arbitrary scheme, preferably, described radial groove is in the round upper end of described step.
In above-mentioned arbitrary scheme, further preferably, in described radial groove, be filled with seal ring.
In above-mentioned arbitrary scheme, further preferably, described seal ring adopts elastomeric material to make.
In above-mentioned arbitrary scheme preferably, described push rod one end and described regulations and parameters movable contact, the other end has a valve seat through cover.
In above-mentioned arbitrary scheme, preferably, described valve seat and described step circle movable contact are also spacing by described step circle.
In above-mentioned arbitrary scheme, preferably, described valve sulfuration assembly and described valve seat block the described valve pocket of sealing.
In above-mentioned arbitrary scheme, preferably, described valve seat is by described swivel nut and the fastening location of described valve body.
In above-mentioned arbitrary scheme, preferably, described lever dolly is fixedly connected with the top of described valve body by screw.
In above-mentioned arbitrary scheme, preferably, described screw is hexagon socket cap head screw.
In above-mentioned arbitrary scheme preferably, described lever offer in the radial direction radial screw bore.
In above-mentioned arbitrary scheme, further preferably, in described radial screw bore endoporus, adjustment screw is installed.
In above-mentioned arbitrary scheme preferably, described adjustment screw and described push rod movable contact.Described adjustment screw and described quick action switch button contact movement.
In above-mentioned arbitrary scheme, further preferably, on described adjustment screw, screw and be connected with nut.
In above-mentioned arbitrary scheme, preferably, described nut is hexagonal nut.
In above-mentioned arbitrary scheme preferably, the displacement of the spacing described adjustment screw of described nut in described radial screw bore.
In above-mentioned arbitrary scheme, preferably, in described input port, filtering net is installed.Arranging of described filtering net can prevent that solid impurities from entering in valve body and air whistle system, improved the performance of bagpipe by actv..
In above-mentioned arbitrary scheme, preferably, the top of described valve body is installed with quick action switch.
In above-mentioned arbitrary scheme, preferably, described quick action switch is by button and the described adjustment screw movable contact installed on it.
In above-mentioned arbitrary scheme, preferably, described quick action switch is fixedly connected with by the pressing plate being arranged on described valve body.
In above-mentioned arbitrary scheme, preferably, described quick action switch is connected with signal receiving control device by circuit.When described regulations and parameters produces displacement, drive described adjustment screw to contact with the button of described quick action switch.Now, described quick action switch produces corresponding signal and passes to signal receiving device.
In above-mentioned arbitrary scheme, preferably, the outside of described circuit is coated with trunking, and described trunking is the protection circuit corroded by liquid of being corroded property not effectively.
In above-mentioned arbitrary scheme, preferably, the outside of described quick action switch is provided with waterproof jacket.Described waterproof jacket can avoid liquid to enter stability and the accuracy that affects signal output in quick action switch by actv..
In above-mentioned arbitrary scheme, preferably, on described valve seat, offer through hole.
In above-mentioned arbitrary scheme preferably, the inner chamber conducting of described through hole and described valve seat.
In above-mentioned arbitrary scheme preferably, described inner chamber is by the gap conducting forming between described through hole and described valve seat and described swivel nut, this through hole is for importing the pressurized air in described valve pocket the inside face of K shape seal ring, and the K shape seal ring that is produces to described swivel nut, described valve seat and described push rod the sealing that extruding realizes these three faces.
In above-mentioned arbitrary scheme, preferably, on described locating bush, offer through hole.
In above-mentioned arbitrary scheme, preferably, the gap forming between locating bush and described valve pocket bottom connects by described through hole and described valve pocket.
Referring to Figure of description 3, the principle of work of lever valve of the present utility model is: described input port is admission port; Described delivery port is air extractor duct; Described exhausr port is for controlling mouth; In the starting stage, under the effect of described return bullet A, described valve sulfuration assembly contacts with described valve seat 15.Now, between described input port and described delivery port, block sealing; Under the effect of described pull back spring B, the surface that described push rod departs from described valve sulfuration assembly forces described delivery port and described exhausr port conducting.Give described input port air inlet, now valve sulfuration assembly is under the effect of pull back spring A and atmospheric pressure, and described valve sulfuration assembly contacts sealing with described valve seat, and described input port and delivery port are blocked.Under the effect of pull back spring B, described push rod departs from the surface of described valve sulfuration assembly, makes described delivery port and described exhausr port conducting.Because described lever does not press down, so the button of described quick action switch is in releasing position or the corresponding signal of State-output.
When giving described input port air inlet, foot-operated described runner presses down described lever, and described push rod overcomes the atmospheric pressure of pull back spring A, pull back spring B and described valve sulfuration assembly, makes described valve sulfuration assembly contact sealing with described push rod.Described valve sulfuration assembly and described valve seat depart from, described input port and described delivery port conducting, described delivery port and the cut-off of described exhausr port.Because lever presses down the button that touches described quick action switch.Described quick action switch is exported the signal after corresponding switching.
Hold-off pressure again, described lever is back to initial position under the effect of described push rod, described valve sulfuration assembly is under the gentle pressure-acting of described pull back spring A, and described valve sulfuration assembly contacts sealing with described valve seat, and described input port and described delivery port are blocked; Under the effect of described pull back spring B, described push rod departs from the surface of described valve sulfuration assembly, makes described delivery port and described exhausr port conducting.Because described lever does not press down, so the button of described quick action switch, in releasing position, and is exported corresponding signal.
Compared with prior art the utility model has the advantage of: due to quick action switch being installed on valve body, described quick action switch can, according to the corresponding electric signal of the State-output of described regulations and parameters, can be known the mode of operation of this valve easily; Adopt K shape seal ring to seal described valve body, under low pressure can alleviate the friction drag of sliding surface relevant in described valve body, the motion of spool is comparatively mild; In addition, adopt the valve body of this kind of structure can be effectively and realize rapidly to air whistle system air feed.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram according to a preferred embodiment of lever valve of the present utility model.
Fig. 2 is according to the sectional structure schematic diagram of the middle section A-A embodiment illustrated in fig. 1 of lever valve of the present utility model.
Fig. 3 is according to the sectional structure schematic diagram of the middle section B-B embodiment illustrated in fig. 1 of lever valve of the present utility model.
Fig. 4 is according to the structural representation of lever valve of the present utility model middle valve seat embodiment illustrated in fig. 2.
Fig. 5 is according to the structural representation of lever valve of the present utility model middle valve sulfuration assembly embodiment illustrated in fig. 2.
In figure, Reference numeral is:
1: adjust screw, 2: nut, 3: runner, 4: straight pin, 5: waterproof jacket, 6: pressing plate, 7: quick action switch, 8: trunking, 9: screw, 10: lever, 11: lever dolly, 12: swivel nut, 13:K shape seal ring, 14: push rod, 15: valve seat, 16: valve sulfuration assembly, 17: pull back spring A, 18: pull back spring B, 19: filtering net, 20: valve body, 21: straight pin, 22: input port 23: delivery port, 24: exhausr port, 25: locating bush, 26: connect boss, 27: through hole, 28: through hole.
The specific embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is further elaborated to explanation;
Lever valve as Figure 1-3 comprises that valve body 20, the input port 22 by described valve pocket mutual conduction, delivery port 23, exhausr port 24, this valve body 20 with valve pocket are the valve body of three-port structure.Be placed in the spool in described valve pocket; Described spool comprises push rod 14, valve seat 15, swivel nut 12, valve sulfuration assembly 16.The top of described valve body 20 is installed with lever dolly 11, specifically: described lever dolly 11 is fixedly hinged by straight pin 21 and lever 10 one end, and the other end is hinged with runner 3 by straight pin 4; Described lever 10 and push rod 10 moving contacts that are placed in described spool in described valve pocket.The described regulations and parameters 10 that is by UFO cycle 3 contacts the effect of opening or blocking described valve body 20 that realizes with described push rod 10.
As in Figure 3-5, along the circumferential inner wall of described valve pocket, offer in the radial direction at least one step circle.Bottom at described valve pocket offers spacing hole, the dead in line of described spacing hole and described valve pocket, and the described step circle of take is divided into valve pocket top and valve pocket bottom as center line or center by described valve pocket.Described valve pocket top and described delivery port 23 connect, and described valve pocket bottom and described input port 22, described exhausr port 24 connect.The interior diameter on described valve pocket top is greater than the interior diameter of described valve pocket bottom.On the circumferential inner wall on the top of described valve pocket, offer negative thread.This negative thread Main Function is to connect described swivel nut 12.This valve pocket seals by described swivel nut, and described spool is fixing spacing in described valve pocket by described swivel nut.
Be arranged on cover in the outer circumferential walls of valve in described valve pocket sulfuration assembly 16 and have pull back spring A17.One end of described pull back spring A17 and locating bush 25 movable contacts that are enclosed within on described valve sulfuration assembly 16, positive stop lug boss 26 movable contacts on the other end and described valve sulfuration assembly 16.Pull back spring A17 fixes by described locating bush 25, described positive stop lug boss.On the cylindrical center position of described valve sulfuration assembly 16, offer axial hole.In described axial hole, be filled with pull back spring B18, one end of described pull back spring B18 is enclosed within the connection boss 26 of offering on described lever 10 centers, and the other end is placed in described spacing hole.Specifically: described pull back spring B18 is through the endoporus of described valve sulfuration assembly 16, and described pull back spring B18 one end fixed cover is on described connection boss, and the other end is placed in described spacing hole.Endoporus and the dead in line described spacing hole and described valve pocket of described valve sulfuration assembly 16.In the outer circumferential walls of the valve sulfuration assembly 16 between described locating bush 25 and the bottom of described valve pocket, cover has V-arrangement packing ring 13.Described valve seat 15 be enclosed within on described push rod 10 and with K shape seal ring 13 activities that are enclosed within on described push rod 10.Described K shape seal ring plays the effect of the described valve pocket of sealing, strengthens the air-tightness of described valve pocket.
Refer again to Fig. 3-5, the outer circumferential walls of described push rod 10 is provided with step circle.On described push rod 10, cover has a swivel nut 12, and the screw-internal thread fit of offering on the inwall of described swivel nut 12 by the outside thread on it and described valve pocket top is connected and fixes described push rod 10.Described push rod 10 runs through described valve seat 15.On described valve seat 15, offer through hole 27, the inner chamber conducting of through hole 27 and described valve seat 15.Described inner chamber is by the gap conducting forming between described through hole 27 and described valve seat 15 and described swivel nut 12.On described locating bush 25, offer through hole 28, this through hole, for the pressurized air of described inner chamber being imported to K shape seal ring inside face, makes K shape seal ring produce extruding to swivel nut 12, valve seat 15 and push rod 14, realizes the sealing of three faces.The gap forming between locating bush 25 and described valve pocket bottom connects with described valve pocket by described through hole 28.In order further to improve the sealing effectiveness of described valve pocket, along the circumferential inner wall of described valve pocket, offer in the radial direction radial groove, the upper end of described radial groove in described step circle.In described radial groove, be filled with seal ring, described seal ring adopts the material that elastomeric material is made or other have elastomeric characteristic to make.
Push rod 14 one end and described regulations and parameters 10 movable contacts, the other end is placed in the inner chamber of valve seat 15 in described valve pocket.Valve seat 15 and described step circle movable contact spacing fixing by described step circle.Valve sulfuration assembly 16 blocks the described valve pocket of sealing with described valve seat 15.Described valve seat 15 has the outstanding Rib of shape.The end face of valve sulfuration assembly 16 contacts sealing with described Rib.State valve seat 15 by described swivel nut 12 and described valve body 20 is fastening is positioned in described valve pocket.
As Figure 2-3, lever dolly 11 is fixedly connected with the top of described valve body 20 by screw 9 in institute.Specifically adopt hexagon socket cap head screw to strengthen the reliability connecting.Described lever 10 offer in the radial direction radial screw bore, in described radial screw bore endoporus, be provided with and adjust screw 1.On described adjustment screw 1, screw and be connected with hexagonal nut.The displacement of the spacing described adjustment screw 1 of described nut 2 in described radial screw bore.The benefit of doing so is just: in the time need to adjusting the length of described adjustment screw 1, can make described adjustment screw retractable by rotating described nut 2.Further can realize the distance that quick action switch button is opened.Described adjustment screw 1 contacts with the button activity on the quick action switch 7 being arranged on described valve body 20.Described quick action switch 7 pressing plates 6 are fixedly connected on described valve body 20.When stepping on described lever 10, adjust screw 1 and contact with described button, now described quick action switch 7 produces corresponding electric signal.This electric signal is connected with signal receiving device by circuit.Staff can clearly know the mode of operation of this lever valve.
Concrete principle of work is: the principle of work of lever valve of the present utility model is: described input port 22 is admission port; Described delivery port 23 is air extractor duct; Described exhausr port 24 is for controlling mouth; In the starting stage, under the effect of described return bullet A17, described valve sulfuration assembly 16 contacts with described valve seat 15.Now, between described input port 22 and described delivery port 23, block sealing; Under the effect of described pull back spring B18, the surface that described push rod 10 departs from described valve sulfuration assembly 16 forces described delivery port 23 and described exhausr port 24 conductings.Give described input port 22 air inlets, now valve sulfuration assembly 16 is under the effect of pull back spring A17 and atmospheric pressure or hydraulic pressure, and valve sulfuration assembly 16 contacts sealing with described valve seat 15, and described input port 22 and delivery port 23 are blocked.Under the effect of pull back spring B18, described push rod 14 departs from the axial surface of described valve sulfuration assembly 16, makes described delivery port 23 and described exhausr port 24 conductings.Because described lever 10 does not press down, so the button of described quick action switch 7 is in releasing position.Now, quick action switch 7 produces low level signal and passes to described signal receiving device by circuit.
When giving described input port 22 air inlets, foot-operated described runner 3 presses down described lever 10, described push rod 14 overcomes pull back spring A17, pull back spring B18 and outside atmospheric pressure or hydraulic coupling to described valve sulfuration assembly 16, makes described valve sulfuration assembly 16 contact sealing with described push rod 14.Described valve sulfuration assembly 16 departs from described valve seat 15, described input port 22 and described delivery port 23 conductings, described delivery port 23 and described exhausr port 24 cut-off blocking-up.Because lever 10 presses down the button that touches described quick action switch 7.High level signal after described quick action switch output is changed.
Hold-off pressure, described lever 10 is back to initial position under the effect of described push rod 14, described valve sulfuration assembly 16 is under the gentle pressure-acting of described pull back spring A17, and valve sulfuration assembly 16 contacts sealing with described valve seat 15, and input port 22 and described delivery port 23 are blocked; Under the effect of described pull back spring B18, described push rod 14 departs from the axial surface of described valve sulfuration assembly 16, makes described delivery port 23 and described exhausr port 24 conductings.Because described lever 10 does not press down, so the button of described quick action switch 7, in releasing position, and is exported corresponding signal.Realize the function of signal output.
In the outside of described circuit, be coated with trunking 8.Trunking 8 is the protection circuit corroded by liquid of being corroded property not effectively.Equally, in the outside of described quick action switch 7, waterproof jacket 5 is installed.Described waterproof jacket 5 can avoid liquid to enter interior stability and the accuracy that affects signal output of quick action switch 7 by actv..In the input port 22 of described valve body 20, filtering net 19 is installed, described filtering net plays the object of impurity screening.Arranging of described filtering net can prevent that solid impurities from entering in valve body and air whistle system, improved the performance of bagpipe by actv..
Above combination specific embodiment of the utility model is described in detail, but be not to restriction of the present utility model, every foundation technical spirit of the present utility model all belongs to technical scope of the present utility model to any simple modification made for any of the above embodiments, also it should be noted that: in embodiment not all matters, big and small list one by one associated components, but do not affect the understanding of those skilled in the art to related art scheme.According to the category of the technical solution of the utility model, comprise the combination in any between each part mentioned above.
Claims (46)
1. lever valve, comprises the valve body (20) with valve pocket, and input port (22), delivery port (23), exhausr port (24), by described valve pocket mutual conduction, are provided with spool in valve pocket; It is characterized in that: described spool comprises push rod (14), valve seat (15), swivel nut (12), valve sulfuration assembly (16), the top of valve body (20) is installed with lever dolly (11), lever dolly (11) is fixedly hinged by straight pin (21) and lever (10) one end, and the other end of lever (10) is hinged with runner (3) by straight pin (4); Push rod (10) moving contact of lever (10) and described spool.
2. lever valve as claimed in claim 1, is characterized in that: along the circumferential inner wall of described valve pocket, offer in the radial direction step circle.
3. lever valve as claimed in claim 2, is characterized in that: the bottom of described valve pocket offers spacing hole.
4. lever valve as claimed in claim 3, is characterized in that: the described step circle of take is divided into valve pocket top and valve pocket bottom by described valve pocket as center line.
5. lever valve as claimed in claim 4, is characterized in that: the interior diameter on described valve pocket top is greater than the interior diameter of described valve pocket bottom.
6. the lever valve as described in claim 4 or 5, is characterized in that: on the inwall on described valve pocket top, offer negative thread.
7. lever valve as claimed in claim 1, is characterized in that: in the outer circumferential walls of described valve sulfuration assembly (16), cover has pull back spring A(17).
8. lever valve as claimed in claim 7, it is characterized in that: one end described pull back spring A(17) and locating bush (25) movable contact being enclosed within on described valve sulfuration assembly (16), positive stop lug boss (26) movable contact on the other end and described valve sulfuration assembly (16).
9. the lever valve as described in any one in claim 1,7,8, is characterized in that: on the cylindrical center position of described valve sulfuration assembly (16), offer axial hole.
10. lever valve as claimed in claim 9, is characterized in that: in described axial hole, be filled with pull back spring B(18).
11. lever valves as claimed in claim 10, is characterized in that: one end described pull back spring B(18) is enclosed within the connection boss (26) of offering on described lever (10) center, and the other end is placed in described spacing hole.
12. lever valves as claimed in claim 8, is characterized in that: in the outer circumferential walls of the valve sulfuration assembly (16) between described locating bush (25) and the bottom of described valve pocket, cover has K shape seal ring (13).
13. lever valves as claimed in claim 12, is characterized in that: described valve seat (15) be enclosed within described push rod (10) upper and with K shape seal ring (13) activity being enclosed within on described push rod (10).
14. lever valves as described in claim 1 or 13, is characterized in that: the outer circumferential walls of described push rod (10) is provided with step circle.
15. lever valves as claimed in claim 14, is characterized in that: the upper cover of described push rod (10) has swivel nut, and the screw-internal thread fit of offering on the inwall of described swivel nut by the outside thread on it and described valve pocket top is connected and fixes described push rod (10).
16. lever valves as described in claim 1 or 15, is characterized in that: described push rod (10) runs through described valve seat (15).
17. lever valves as claimed in claim 4, is characterized in that: described valve pocket top and described delivery port (23) connect.
18. lever valves as claimed in claim 4, is characterized in that: described valve pocket bottom and described input port (22), described exhausr port (24) connect.
19. lever valves as claimed in claim 3, is characterized in that: along the circumferential inner wall of described valve pocket, offer in the radial direction radial groove.
20. lever valves as claimed in claim 19, is characterized in that: the upper end of described radial groove in described step circle.
21. lever valves as described in claim 19 or 20, is characterized in that: in described radial groove, be filled with seal ring.
22. lever valves as claimed in claim 21, is characterized in that: described seal ring adopts elastomeric material to make.
23. lever valves as claimed in claim 1, is characterized in that: described push rod (14) one end and described lever (10) movable contact, the other end is placed in the inner chamber of described valve seat (15).
24. lever valves as claimed in claim 23, is characterized in that: described valve seat (15) and described step circle movable contact spacing by described step circle.
25. lever valves as claimed in claim 1, is characterized in that: described valve sulfuration assembly (16) blocks the described valve pocket of sealing with described valve seat (15).
26. lever valves as claimed in claim 1, is characterized in that: described valve seat (15) is by described swivel nut (12) and the fastening location of described valve body (20).
27. lever valves as claimed in claim 1, is characterized in that: described lever dolly (11) is fixedly connected with the top of described valve body (20) by screw (9).
28. lever valves as claimed in claim 27, is characterized in that: described screw is hexagon socket cap head screw.
29. lever valves as claimed in claim 1, is characterized in that: described lever (10) offer in the radial direction radial screw bore.
30. lever valves as claimed in claim 29, is characterized in that: in described radial screw bore endoporus, be provided with and adjust screw (1).
31. lever valves as claimed in claim 30, is characterized in that: described adjustment screw (1) and described push rod (10) movable contact.
32. lever valves as claimed in claim 31, is characterized in that: on described adjustment screw (1), screw and be connected with nut (2).
33. lever valves as claimed in claim 32, is characterized in that: described nut is hexagonal nut.
34. lever valves as claimed in claim 32, is characterized in that: the displacement of the spacing described adjustment screw of described nut (2) (1) in described radial screw bore.
35. lever valves as claimed in claim 1, is characterized in that: filtering net (19) is installed in described input port (22).
36. lever valves as claimed in claim 32, is characterized in that: the top of described valve body (20) is installed with quick action switch (7).
37. lever valves as claimed in claim 36, is characterized in that: described quick action switch (7) is by button and described adjustment screw (1) movable contact installed on it.
38. lever valves as described in claim 36 or 37, is characterized in that: described quick action switch (7) is fixedly connected with by the pressing plate (6) being arranged on described valve body (20).
39. lever valves as claimed in claim 38, is characterized in that: described quick action switch (7) is connected with signal receiving control device by circuit.
40. lever valves as claimed in claim 39, is characterized in that: the outside of described circuit is coated with trunking (8).
41. lever valves as claimed in claim 39, is characterized in that: the outside of described quick action switch (7) is provided with waterproof jacket (5).
42. lever valves as claimed in claim 39, is characterized in that: on described valve seat (15), offer through hole (27).
43. lever valves as claimed in claim 42, is characterized in that: the inner chamber conducting of described through hole (27) and described valve seat (15).
44. lever valves as claimed in claim 43, is characterized in that: described inner chamber is by the gap conducting forming between described through hole (27) and described valve seat (15) and described swivel nut (12).
45. lever valves as claimed in claim 39, is characterized in that: on described locating bush (25), offer through hole (28).
46. lever valves as claimed in claim 45, is characterized in that: the gap forming between locating bush (25) and described valve pocket bottom connects by described through hole (28) and described valve pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514888.1U CN203472845U (en) | 2013-08-22 | 2013-08-22 | Lever valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514888.1U CN203472845U (en) | 2013-08-22 | 2013-08-22 | Lever valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472845U true CN203472845U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514888.1U Expired - Fee Related CN203472845U (en) | 2013-08-22 | 2013-08-22 | Lever valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203472845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407440A (en) * | 2013-08-22 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
| CN104386051A (en) * | 2014-11-10 | 2015-03-04 | 昌通科技有限公司 | HOWO braking main valve with filter net |
| CN108027084A (en) * | 2015-09-18 | 2018-05-11 | 费斯托股份有限两合公司 | Roller lever control equipment and the roller lever valve equipped with it |
-
2013
- 2013-08-22 CN CN201320514888.1U patent/CN203472845U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407440A (en) * | 2013-08-22 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
| CN103407440B (en) * | 2013-08-22 | 2016-03-16 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
| CN104386051A (en) * | 2014-11-10 | 2015-03-04 | 昌通科技有限公司 | HOWO braking main valve with filter net |
| CN108027084A (en) * | 2015-09-18 | 2018-05-11 | 费斯托股份有限两合公司 | Roller lever control equipment and the roller lever valve equipped with it |
| CN108027084B (en) * | 2015-09-18 | 2019-12-31 | 费斯托股份有限两合公司 | Roller lever operating device and roller lever valve equipped with same |
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Granted publication date: 20140312 Termination date: 20190822 |