CN203854655U - Improved hand-operated valve - Google Patents
Improved hand-operated valve Download PDFInfo
- Publication number
- CN203854655U CN203854655U CN201420158581.7U CN201420158581U CN203854655U CN 203854655 U CN203854655 U CN 203854655U CN 201420158581 U CN201420158581 U CN 201420158581U CN 203854655 U CN203854655 U CN 203854655U
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- hcv
- valve
- control valve
- hand control
- rotary case
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Abstract
The utility model relates to an improved hand-operated valve which is used for solving the problems of high valve push rod blockage possibility of an existing hand-operated valve. The improved hand-operated valve comprises a hand-operated valve shell, an air inlet, an air outlet, an air vent and a rotary disc, wherein the rotary disc comprises two rotary disc bodies and a fixed column; the fixed column is provided with a poke rod; each rotary disc body is provided with a stripy hole; the stripy holes are opposite to one another; a sliding rod is inserted in the stripy holes; two ends of the sliding rods are respectively provided with a limit block; a guide structure is arranged between the limit block and the rotary disc; the sliding rod is provided with a valve push rod; the hand-operated valve shell is internally provided with a guide base; the valve push rod is slidably arranged in the guide base; a valve screw is inserted in the valve push rod; a first reset spring sleeves the valve push rod; the lower end of the valve screw is provided with an air vent screw; a second reset spring sleeves on the air vent screw. The improved hand-operated valve has the advantages of simple structure, good following capacity, less possibility of blockage phenomenon, stability in movement, labor-saving control in use and good control effect.
Description
Technical field
The utility model belongs to auto parts and components equipment technical field, especially relates to a kind of modified form hand control valve (HCV).
Background technology
Hand control valve (HCV) is one of vitals on automobile, be generally with operator's compartment in shift handle interlock, its role is to control emergency brake and the braking during standstill of the vehicle with brake application by spring function.Have the vehicle of brake application by spring function in motion, the handle of hand control valve (HCV) is in road location.Now, the valve push rods of hand control valve (HCV) is opened air intake valve, the inlet chamber of hand control valve (HCV) is communicated, exhaust close with outlet chamber.The output pressure of outlet chamber makes the spring in spring brake chamber be in brake off state, and vehicle is normally travelled.When vehicle stop, the handle of hand control valve (HCV) is in parking position, and now the air intake valve of hand valve is closed, and output pressure is zero, makes spring in spring brake chamber in braking mode of operation, and vehicle stop is safer reliable.In the emergency brake of vehicle, the output pressure of hand control valve (HCV) is along with the change in location of handle between road location and stop position, thereby realized the control to the brake application by spring power in spring brake chamber.
The effect of hand control valve (HCV) be mainly by valve push rods move back and forth realize, the valve push rods of tradition hand control valve (HCV) is to drive by an eccentric cam on handle assembly, use repeatedly after because of reasons such as parts depreciations, there will be feel to harden, handle effort, the servo-actuated property of valve is poor, there is valve push rods clamping stagnation, stuck phenomenon, the servo-actuated property missionary society that valve easily occurs causes output pressure unstable, and then cause automobile in the time of braking, to produce the mals such as car load shake, unsafe phenomenon, the serious vehicle that will cause cannot brake off, or brake off is fault and brake facing burning sheet phenomenon slowly.
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 automobile manual valve [application number: 200920228417.8], and it is made up of valve body, master control mechanism, handle assembly, Cam set assembly etc., and cover plate and handle assembly are equipped with in valve body upper end, one side is provided with blowing mouth and admission port, and lower end is provided with exhausr port; Master control mechanism is equipped with in the inside of valve body, and is connected with handle assembly by Cam set assembly, is provided with inlet chamber, gas transmission chamber and exhaust duct in master control mechanism.Such scheme has solved the unhandy problem of existing hand control valve (HCV) valve push rods to a certain extent, but this scheme still exists: complex structure, handle effort, valve push rods wears no resistance, the servo-actuated property of valve push rods is poor, valve push rods clamping stagnation, stuck phenomenon easily occur, and the servo-actuated property of valve push rods is poor, controls the problem of weak effect.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple and reasonable, and valve push rods is not prone to stuck, the modified form hand control valve (HCV) that servo-actuated property is good.
For achieving the above object, the utility model has adopted following technical proposal: this modified form hand control valve (HCV), comprise hand control valve (HCV) housing, on hand control valve (HCV) housing, be respectively equipped with and the admission port being connected in hand control valve (HCV) housing, air extractor duct and exhausr port, in described hand control valve (HCV) housing, be provided with the rolling disc that can circumferentially rotate, it is characterized in that, described rolling disc comprises that two are oppositely arranged and equal rotary cases in the form of annular discs, between described rotary case, be fixed with cylindrical fixed leg, on described fixed leg, be provided with by mounting structure the poke rod that extends to hand control valve (HCV) hull outside, on each rotary case, be equipped with bar hole curved and that extend gradually outward rotation disk body the inner, described bar hole is mutually opposed, in bar hole, be equipped with the slide bar that two ends extend to respectively bar hole outer end, described slide bar two ends are respectively equipped with and can prevent the axially movable limiting stopper of slide bar, described limiting stopper is against being arranged on described rotary case outside, and between described limiting stopper and rotary case, be also provided with guide frame, on described slide bar, be fixed with the valve push rods arranging between two rotary cases and to downward-extension, in described hand control valve (HCV) housing, be provided with guide holder, described valve push rods is slidably arranged in guide holder by axially directed structure, and the end of described valve push rods is inserted with the valve screw that can be communicated with or block admission port and air extractor duct in the time that valve push rods moves, in described valve push rods, be socketed with the first retracing spring, described valve screw lower end is provided with exhausr port screw, on described exhausr port screw, be arranged with the second retracing spring.Limiting stopper in this structure can prevent that slide bar from departing from bar hole, thereby in the time that rotary case rotates, slide bar moves and realizes moving up and down of valve push rods along bar hole, is not prone to stuck phenomenon, and servo-actuated property is good.
In above-mentioned modified form hand control valve (HCV), the diameter of described limiting stopper is greater than the width of bar hole.
In above-mentioned modified form hand control valve (HCV), described guide frame comprises some guiding deep-slotted chip breakers that arrange on rotary case and along bar hole distribution that are arranged on, described limiting stopper is provided with some clampings and is arranged on the sliding shoe in guiding deep-slotted chip breaker, and in described guiding deep-slotted chip breaker, is provided with some balls that are positioned at sliding shoe both sides.Prevent from producing and wearing and tearing between slide bar and bar hole.
In above-mentioned modified form hand control valve (HCV), the quantity of the guiding deep-slotted chip breaker on each rotary case is one, and the setting that is dislocatedly distributed of described guiding deep-slotted chip breaker.
In above-mentioned modified form hand control valve (HCV), described fixed leg is arranged on the center of rotary case, and described fixed leg and rotary case are connected as a single entity structure.
In above-mentioned modified form hand control valve (HCV), described mounting structure comprises two strip bulges that are radially arranged on respectively rotary case inner side, described strip bulge shifts to install and is spliced into the mounting hole inserting for poke rod, between described poke rod and strip bulge, is fixedly linked by hold-down bolt.
In above-mentioned modified form hand control valve (HCV), described axially directed structure comprises some guide chutes that are arranged on guide holder inner side, and described valve push rods is provided with some guide runners that are slidably arranged in guide chute.
In above-mentioned modified form hand control valve (HCV), on described poke rod, be socketed with anti-skidding body.
Compared with prior art, the advantage of this modified form hand control valve (HCV) is: simple in structure, servo-actuated property is good, is not prone to stuck phenomenon, mobile steadily when use, manipulates laborsavingly, controls effective.
Brief description of the drawings
The structural representation that Fig. 1 provides for the utility model.
The cutaway view of the rolling disc that Fig. 2 provides for the utility model.
In figure, hand control valve (HCV) housing 1, admission port 11, air extractor duct 12, exhausr port 13, guide holder 14, guide chute 141, guide runner 142, valve screw 15, the first retracing spring 16, exhausr port screw 17, the second retracing spring 18, rolling disc 2, rotary case 21, fixed leg 22, bar hole 211, slide bar 212, limiting stopper 213, guiding deep-slotted chip breaker 214, sliding shoe 215, ball 216, strip bulge 217, mounting hole 218, hold-down bolt 219, poke rod 3, anti-skidding body 31, valve push rods 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, this modified form hand control valve (HCV), comprise hand control valve (HCV) housing 1, on hand control valve (HCV) housing 1, be respectively equipped with and the admission port 11 being connected in hand control valve (HCV) housing 1, air extractor duct 12 and exhausr port 13, in hand control valve (HCV) housing 1, be provided with the rolling disc 2 that can circumferentially rotate, rolling disc 2 comprises that two are oppositely arranged and equal rotary cases 21 in the form of annular discs, between rotary case 21, be fixed with cylindrical fixed leg 22, on fixed leg 22, be provided with by mounting structure the poke rod 3 that extends to hand control valve (HCV) housing 1 outside, on each rotary case 21, be equipped with bar hole 211 curved and that extend gradually outward rotation disk body 21 the inners, bar hole 211 is mutually opposed, in bar hole 211, be equipped with the slide bar 212 that two ends extend to respectively bar hole 211 outer ends, slide bar 212 two ends are respectively equipped with and can prevent the axially movable limiting stopper 213 of slide bar 212, limiting stopper 213 is against being arranged on rotary case 21 outsides, and be also provided with guide frame between limiting stopper 213 and rotary case 21, on slide bar 212, be fixed with the valve push rods 4 arranging between two rotary cases 21 and to downward-extension, in hand control valve (HCV) housing 1, be provided with guide holder 14, valve push rods 4 is slidably arranged in guide holder 14 by axially directed structure, and the end of valve push rods 4 is inserted with the valve screw 15 that can be communicated with or block admission port 11 and air extractor duct 12 in the time that valve push rods 4 moves, in valve push rods 4, be socketed with the first retracing spring 16, valve screw 15 lower ends are provided with exhausr port screw 17, on exhausr port screw 17, be arranged with the second retracing spring 18, limiting stopper 213 in this structure can prevent that slide bar 212 from departing from bar hole 211, thereby slide bar 212 moves and realizes moving up and down of valve push rods 4 along bar hole 211 in the time that rotary case 21 rotates, be not prone to stuck phenomenon, servo-actuated property is good.
As preferred version, the diameter of the limiting stopper 213 in the present embodiment is greater than the width of bar hole 211.The guide frame here comprises some guiding deep-slotted chip breakers 214 that arrange on rotary case 21 and along bar hole 211 distributions that are arranged on, limiting stopper 213 is provided with some clampings and is arranged on the sliding shoe 215 of guiding in deep-slotted chip breaker 214, and in guiding deep-slotted chip breaker 214, is provided with some balls 216 in sliding shoe 215 both sides and prevents from like this producing and wearing and tearing between slide bar 212 and bar hole 211.
Further, the quantity of the guiding deep-slotted chip breaker 214 on each rotary case 21 is one, and the setting that is dislocatedly distributed of guiding deep-slotted chip breaker 214.The fixed leg 22 is here arranged on rotary case 21 center, and fixed leg 22 is connected as a single entity structure with rotary case 21.In addition, the mounting structure here comprises two strip bulges 217 that are radially arranged on respectively rotary case 21 inner sides, strip bulge 217 shifts to install and is spliced into the mounting hole 218 inserting for poke rod 3, between poke rod 3 and strip bulge 217, is fixedly linked by hold-down bolt 219.In addition, axially directed structure comprises some guide chutes 141 that are arranged on guide holder 14 inner sides, and valve push rods 4 is provided with some guide runners 142 that are slidably arranged in guide chute 141.On poke rod 3, be socketed with anti-skidding body 31.
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 amendments 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 hand control valve (HCV) housing 1 herein, admission port 11, air extractor duct 12, exhausr port 13, guide holder 14, guide chute 141, guide runner 142, valve screw 15, the first retracing spring 16, exhausr port screw 17, the second retracing spring 18, rolling disc 2, rotary case 21, fixed leg 22, bar hole 211, slide bar 212, limiting stopper 213, guiding deep-slotted chip breaker 214, sliding shoe 215, ball 216, strip bulge 217, mounting hole 218, hold-down bolt 219, poke rod 3, anti-skidding body 31, valve push rods 4 terms such as grade, but do not get rid of the possibility that uses 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 (8)
1. a modified form hand control valve (HCV), comprise hand control valve (HCV) housing (1), on hand control valve (HCV) housing (1), be respectively equipped with and the admission port (11) being connected in hand control valve (HCV) housing (1), air extractor duct (12) and exhausr port (13), in described hand control valve (HCV) housing (1), be provided with the rolling disc (2) that can circumferentially rotate, it is characterized in that, described rolling disc (2) comprises that two are oppositely arranged and equal rotary cases (21) in the form of annular discs, between described rotary case (21), be fixed with cylindrical fixed leg (22), the upper poke rod (3) that extends to hand control valve (HCV) housing (1) outside that is provided with by mounting structure of described fixed leg (22), on each rotary case (21), be equipped with the curved and inner bar hole (211) extending outward gradually of rotation disk body (21), described bar hole (211) is mutually opposed, in bar hole (211), be equipped with the slide bar (212) that two ends extend to respectively bar hole (211) outer end, described slide bar (212) two ends are respectively equipped with and can prevent the axially movable limiting stopper of slide bar (212) (213), described limiting stopper (213) is against being arranged on described rotary case (21) outside, and be also provided with guide frame between described limiting stopper (213) and rotary case (21), on described slide bar (212), be fixed with and be positioned at the valve push rods (4) arranging between two rotary cases (21) and to downward-extension, in described hand control valve (HCV) housing (1), be provided with guide holder (14), described valve push rods (4) is slidably arranged in guide holder (14) by axially directed structure, and the end of described valve push rods (4) is inserted with the valve screw (15) that can be communicated with or block admission port (11) and air extractor duct (12) in the time that valve push rods (4) is mobile, in described valve push rods (4), be socketed with the first retracing spring (16), described valve screw (15) lower end is provided with exhausr port screw (17), on described exhausr port screw (17), be arranged with the second retracing spring (18).
2. modified form hand control valve (HCV) according to claim 1, is characterized in that, the diameter of described limiting stopper (213) is greater than the width of bar hole (211).
3. modified form hand control valve (HCV) according to claim 2, it is characterized in that, described guide frame comprises some rotary case (21) guiding deep-slotted chip breakers (214) upper and that arrange along bar hole (211) distribution that are arranged on, described limiting stopper (213) is provided with some clampings and is arranged on the sliding shoe (215) in guiding deep-slotted chip breaker (214), and in described guiding deep-slotted chip breaker (214), is provided with some balls (216) that are positioned at sliding shoe (215) both sides.
4. modified form hand control valve (HCV) according to claim 3, is characterized in that, the quantity of the guiding deep-slotted chip breaker (214) on each rotary case (21) is one, and the setting that is dislocatedly distributed of described guiding deep-slotted chip breaker (214).
5. according to the modified form hand control valve (HCV) described in claim 1 or 2 or 3 or 4, it is characterized in that, described fixed leg (22) is arranged on the center of rotary case (21), and described fixed leg (22) is connected as a single entity structure with rotary case (21).
6. modified form hand control valve (HCV) according to claim 5, it is characterized in that, described mounting structure comprises two strip bulges (217) that are radially arranged on respectively rotary case (21) inner side, described strip bulge (217) shifts to install and is spliced into the mounting hole (218) inserting for poke rod (3), between described poke rod (3) and strip bulge (217), is fixedly linked by hold-down bolt (219).
7. modified form hand control valve (HCV) according to claim 1, it is characterized in that, described axially directed structure comprises some guide chutes (141) that are arranged on guide holder (14) inner side, and described valve push rods (4) is provided with some guide runners (142) that are slidably arranged in guide chute (141).
8. modified form hand control valve (HCV) according to claim 1, is characterized in that, on described poke rod (3), is socketed with anti-skidding body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158581.7U CN203854655U (en) | 2014-04-02 | 2014-04-02 | Improved hand-operated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420158581.7U CN203854655U (en) | 2014-04-02 | 2014-04-02 | Improved hand-operated valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203854655U true CN203854655U (en) | 2014-10-01 |
Family
ID=51604525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420158581.7U Expired - Fee Related CN203854655U (en) | 2014-04-02 | 2014-04-02 | Improved hand-operated valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203854655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
-
2014
- 2014-04-02 CN CN201420158581.7U patent/CN203854655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
| CN107554511B (en) * | 2017-09-22 | 2024-01-23 | 眉山中车制动科技股份有限公司 | Manual relief valve and pressure relief device |
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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: 20141001 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |