CN102556037A - Novel three-bridge emergency relay valve - Google Patents

Novel three-bridge emergency relay valve Download PDF

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Publication number
CN102556037A
CN102556037A CN2011104264791A CN201110426479A CN102556037A CN 102556037 A CN102556037 A CN 102556037A CN 2011104264791 A CN2011104264791 A CN 2011104264791A CN 201110426479 A CN201110426479 A CN 201110426479A CN 102556037 A CN102556037 A CN 102556037A
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valve
valve body
novel
bridge
suction port
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CN2011104264791A
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CN102556037B (en
Inventor
李校良
屠少云
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Zhejiang Baili Machinery Co ltd
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ZHEJIANG ZHUJI DONGGANG HYDRAULIC PRESSUREMACHINERY CO Ltd
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Abstract

The invention discloses a novel three-bridge emergency relay valve, which comprises a valve body, a valve cover, a piston, a sealing valve, a reset spring, a valve seat, a check ring, a small spring, a sealing gasket, a check valve, a first air inlet connector, a multi-position valve rod, an adjusting rod, an adjusting connector, a clamping spring, a control handle, a fast-discharging film and a second air inlet connector. The sealing valve, the reset spring and the valve seat are sequentially installed in the valve body, and the check ring is used for fixing and positioning. The small spring, the sealing gasket and the check valve are sequentially filled in the valve body. The multi-position valve rod is installed in the valve cover, the adjusting rod is installed in the adjusting connector, the clamping spring is clamped on a clamping spring groove of the adjusting rod to perform route limiting on the adjusting rod, the control handle is further installed on the adjusting rod to form a sub-unit, and the installed sub-unit is filled in the valve cover where the multi-position valve rod is installed. The fast-discharging film is placed in a control opening end of the valve cover, the second air inlet connector is screwed on, and a third exhausting port is arranged on the second air inlet connector. The piston is arranged between the valve cover and the valve body and then the valve cover and the valve body are fixedly connected. The novel three-bridge emergency relay valve can perform exhausting fast, reduces abrasion between a braking pad and a tyre, is favorable for dragging moving of a trailer on site, simultaneously saves installation space and reduces production cost.

Description

Novel three bridge RE valves
[technical field]
The present invention relates to auto parts and components, especially a kind of novel three bridge RE valves.
[background technology]
Domestic trailer RE valve design generally all is the doctrine of bringing, and introduces and imitated external existing products, copies slavishly, lacks the autonomous innovation design, when causing opening the world market market, runs into a lot of patent barriers.
And all there is following shortcoming in general three bridge RE valves both domestic and external at present:
1. common three bridge RE valve control chamber volumes are big, need carry out exhaust through connecting line to trailer valve owing to gas during brake off, the exhaust line path length, and exhaust velocity is slow, causes vehicle start slow.Three bridge RE valve valve bodies are long simultaneously, also cause exhaust not fast, and brake facing and tire are worn and torn too early.
2. many bridges trailer is after breaking away from the traction headstock, breaking off main air supply source, and back air receiver atmospheric pressure acts on driving chamber, brake application by spring chamber through three bridge RE valves; Make the back trailer produce stopping brake, but trailer lack the brake off function after present this form, in case braking; Removing the emptying air receiver, under the prerequisite of unloading gas outlet pressure, is can't brake off under the situation of no external source of the gas; Cause losing efficacy, in the time of need moving the back trailer again, can't accomplish dragging at some drawing head source of the gas.
3. conventional three-axle relay valve, the structure relative complex; Weight is heavier, about 2.64Kg; Integral body takes up room greatly, and height is about 170mm; Overall accessory processing technology requires high, causes the cost of product own high.
4. properties of product are single, no additional function.
[summary of the invention]
The object of the invention solves the problems of the prior art exactly, proposes a kind of novel three bridge RE valves, exhaust fast; Reduce brake facing and Tyte Wear, and make things convenient for trailer mobile, simultaneously dragging away from of place; Can also practice thrift installing space, reduce production costs.
For realizing above-mentioned purpose; The present invention proposes a kind of novel three bridge RE valves; Comprise valve body, valve gap, piston, sealed valve, pull back spring, valve seat, back-up ring, little spring, packing seal, check valve, first inlet suction port, multidigit valve rod, adjust bar, adjusting joint, jump ring, control handle, arrange epithelium, second inlet suction port soon; Said valve body is provided with 1-1 interface, two 1-2 interfaces, some the 2nd interfaces, and valve gap is provided with the 3rd interface and second series gas port, and sealed valve, pull back spring, valve seat are packed in the valve body successively; With the back-up ring fixed limit, valve seat is provided with first exhausr port; Little spring, packing seal, unidirectional valve seat are packed in the valve body successively, are tightened with first inlet suction port, and first inlet suction port is provided with the 1st interface; The multidigit valve rod is packed in the valve gap; The adjust bar adjusting joint of packing into; And adopt jump ring to be stuck on the jump ring groove of adjust bar adjust bar is carried out stroke limit, control handle is installed to and forms a sub-unit on the adjust bar, and the sub-unit that installs is installed in the valve gap that installs the multidigit valve rod; Put into the control mouth end of valve gap with arranging epithelium soon, and second inlet suction port of screwing on, second inlet suction port is provided with the 3rd exhausr port; Be provided with piston between valve gap and the valve body, valve gap is captiveed joint with valve body.
As preferably, the quantity of said the 2nd interface is 6, and is effective.
As preferably, said first inlet suction port is tightened onto on the valve body through screw thread, and is simple in structure, good connecting effect.
As preferably, when installing on the valve gap, said sub-unit realizes fixed installation through regulating being threaded between joint and the valve gap, simple in structure, good connecting effect.
As preferably, said second inlet suction port adopts with valve gap and is threaded, and is simple in structure, good connecting effect.
As preferably, adopt hexagonal bar iron to achieve a fixed connection between said valve gap and the valve body, simple in structure, good fixing effect.
Beneficial effect of the present invention: the present invention is designed with multiple exhausr port, and exhaust fast is when removing trailer braking protection valve; Efficiently, not dilatory, the more old-fashioned three-axle relay valve of performance obviously promotes about 15%; But actv. reduces brake facing and Tyte Wear, and useful service life prolongs more than 7%.Do not force to install under the ABS antiblock device situation at present domestic trailer and semi-mounted, these novel three bridge RE valves are fit to continuous " point is stopped " of glancing impact very much, reduce the sideslip out-of-control phenomenon that the trailer braking protection valve locking causes.Possesses the manual removing function of trailer braking protection valve; The trailer that breaks away from tractor truck only needs control handle is threaded to the brake off state, just can make the trailer brake off that breaks away from tractor truck; Very convenient trailer is mobile dragging away from of place, has also improved the service efficiency of tractor truck simultaneously.Through designs simplification and integrated, the part processing operation reduces, and is few during the while assembler; Product is obtaining property height reliably; Overall weight has only 2.35Kg, descends obviously; Productive costs control is low; Product height is 103.5mm, reduces 66.5mm, has practiced thrift installing space.Can realize multi-functionally,, can also install hand valve, electrically-controlled valve and sense when needed additional and carry three kinds of additional functions of stepless time adjustment device except that itself newly adding the function.The enforcement of this product item; Properties of product have been significantly improved; Increased the product additional function; Especially the fast speed of response of product self, during not by external bleed pressure, function and the three bridge RE valve control chambers of removing the back trailer braking protection valve increase fast playing function mechanism can obviously promote added value of product.
Characteristic of the present invention and advantage will combine accompanying drawing to be elaborated through embodiment.
[description of drawings]
Fig. 1 is the structural representation of the novel three bridge RE valves of the present invention;
Fig. 2 is the assembly cutaway view of the novel three bridge RE valves of the present invention;
Fig. 3 is the structural representation of the 3rd exhausr port in the novel three bridge RE valves of the present invention;
Fig. 4 is the structural representation of multidigit valve rod in the novel three bridge RE valves of the present invention;
Fig. 5 is the front view of packing seal in the novel three bridge RE valves of the present invention;
Fig. 6 is a structure of piston scheme drawing in the novel three bridge RE valves of the present invention.
[specific embodiment]
Consult Fig. 1,2,3,4,5,6; Novel three bridge RE valves; Comprise valve body 1, valve gap 2, piston 3, sealed valve 13, pull back spring 14, valve seat 15, back-up ring 16, little spring 12, packing seal 11, check valve 10, first inlet suction port 9, multidigit valve rod 4, adjust bar 7, regulate joint 6, jump ring 5, control handle 8, arrange epithelium 17, second inlet suction port 18 soon; Said valve body 1 is provided with 1-1 interface J1-1, two 1-2 interface J1-2, some the 2nd interface J2; Valve gap 2 is provided with the 3rd interface J3 and second series gas port P2; Sealed valve 13, pull back spring 14, valve seat 15 are packed in the valve body 1 successively, and with back-up ring 16 fixed limits, valve seat 15 is provided with the first exhausr port P1; Little spring 12, packing seal 11, check valve 10 are packed in the valve body 1 successively, are tightened with first inlet suction port 9, and first inlet suction port is provided with the 1st interface; Multidigit valve rod 4 is packed in the valve gap 2; Adjust bar 7 is packed into and is regulated joint 6; And adopt jump ring 5 to be stuck on the jump ring groove of adjust bar 7 adjust bar 7 is carried out stroke limit; Control handle 8 is installed to and forms a sub-unit on the adjust bar 7, and the sub-unit that installs is installed in the valve gap 2 that installs multidigit valve rod 4; Put into the control mouth end of valve gap 2 with arranging epithelium 17 soon, and second inlet suction port, 18, the second inlet suction ports 18 of screwing on are provided with the 3rd exhausr port P3; Captive joint after establishing piston 3 between valve gap 2 and the valve body 1.Each interface annexation is: the 1st interface J1 connects admission line; 1-1 interface J1-1 connects trailer master air storage pipeline; 1-2 interface J1-2 connects trailer master air storage pipeline; The 2nd interface J2 connects brake repair room; The 3rd interface J3 connects pilot piping.In addition; For improving sealing property, also comprise 14 kinds of O RunddichtringOs (
Figure BDA0000121789010000041
is the O RunddichtringO among Fig. 2) in the system.
The gas that the traction headstock is come; Through connecting valve, trailer valve to entering into behind the admission line through the 1st interface J1; Promote multidigit valve rod 4 through via hole M on the one hand, make it to be moved to the left on earth, such the 3rd interface J3 communicates with the E chamber through G chamber, H chamber; I chamber and H chamber, E chamber are broken off simultaneously, make the gas of the 1st interface J1 enter into the E chamber through the H chamber.On the other hand, the gas that the traction headstock is come promotes packing seal 11 through the 1st interface J1, and check valve 10 is thrown off with packing seal 11.Gas just passes through to 1-1 interface J1-1 through the A1 chamber like this, enters into trailer master air storage pipeline and arrives main air reservoir.In like manner, gas also will enter into secondary air tank through 1-2 interface J1-2, make the major-minor air tank reach trailer and can use air pressure.
The trailer service brake.At this moment, the gas that service brake (master cylinder) is come enters the 3rd interface J3 through pilot piping; Reasons such as pressure reduction, gas gas at this moment can get into hole K and can not enter into hole J, and K enters into G, H chamber through the hole; Arrive the gas in E chamber again, promote piston 3 and move down, make 13 sealings of piston 3 and sealed valve; Continue to promote sealed valve 13 simultaneously and move down, valve body 1 and sealed valve 13 depressurizations, at this moment; The gas of the 1st interface J1 and 1-2 interface J1-2 enters into the B chamber through the A1 chamber, enters into brake repair room by the 2nd interface J2 again, accomplishes the service brake process.The gas in D chamber is discharged through the F chamber through the aperture on the piston 3 in the process that piston 3 moves down, and prevents that the compression of D cavity volume from forming high pressure, influences the speed that piston 3 moves down.
When trailer is removed service brake.At this moment, the 3rd interface J3 removes air feed, and the gas in E chamber gets into hole K through H, G chamber; Owing to reasons such as pressure reduction; The fast row's epithelium 17 and second inlet suction port 18 are fitted, make the gas of hole K can not enter into the 3rd interface J3 and enter into pilot piping, can only get into the J sky; With E chamber gas fast evacuation, Here it is controls outspoken row function through exhausr port 3.Simultaneously; The return-air of the brake repair room that comes with under the tension force effect of pull back spring 14 on the sealed valve 13, piston 3 is moved up; The B chamber is communicated with the F chamber; The brake repair room return-air through B chamber, F chamber by the first exhausr port P1 and second series gas port P2 Fast Dual in being discharged into atmosphere, piston 3, sealed valve 13, pull back spring 14 return to the preceding state of service brake.Brake off pressure.
The trailer braking of dying.At this moment, trailer breaks away from the traction headstock fully, the source of the gas that the 1st interface J1 and the 3rd interface J3 will provide less than next tractor truck.At this moment the gas of major and minor air tank can enter into the I chamber by hole N through 1-1 interface J1-1 and 1-2 interface J1-2, promotes multidigit valve rod 4 and moves right, and closes getting in touch of G chamber and H chamber; The I chamber is communicated with H chamber, E chamber, and the air tank gas of coming just gets into the E chamber like this, promotes piston 3 and moves down; Valve body 1 and 13 depressurizations of seal valve, at this moment, the gas of the 1st interface J1 and 1-2 interface J1-2 enters into the B chamber through the A1 chamber; Enter into brake repair room by the 2nd interface J2 again, accomplish trailer braking protection valve.
Trailer is died to brake and is removed.Turn control handle 8 drives adjust bar 7, makes adjust bar 7 along regulating the turn left of joint 6 screw threads, promotes multidigit valve rod 4 and also is moved to the left.I chamber and getting in touch at first of H chamber are closed, and the gas that air tank is come can't enter into the I chamber through hole N and enter into the E chamber again, and the H chamber is communicated with the G chamber then, and the gas in E chamber just through H chamber, G chamber, advances via hole K and carries out quick drain by exhausr port 3 like this.Simultaneously; The gas of the brake repair room that comes, through gas circuit mode the same when removing service brake, via the first exhausr port P1 and second series gas port P2 Fast Dual in being discharged into atmosphere; Piston 3, sealed valve 13, pull back spring 14 return to the state before the service brake, remove the brake-pressure of dying.
The foregoing description is to explanation of the present invention, is not to qualification of the present invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.

Claims (6)

1. novel three bridge RE valves; It is characterized in that: comprise valve body, valve gap, piston, sealed valve, pull back spring, valve seat, back-up ring, little spring, packing seal, check valve, first inlet suction port, multidigit valve rod, adjust bar, adjusting joint, jump ring, control handle, arrange the epithelium and second inlet suction port soon; Said valve body is provided with 1-1 interface, two 1-2 interfaces, some the 2nd interfaces; Valve gap is provided with the 3rd interface and second series gas port; Sealed valve, pull back spring, valve seat are packed in the valve body successively, and with the back-up ring fixed limit, valve seat is provided with first exhausr port; Little spring, packing seal, unidirectional valve seat are packed in the valve body successively, are tightened with first inlet suction port, and first inlet suction port is provided with the 1st interface; The multidigit valve rod is packed in the valve gap; The adjust bar adjusting joint of packing into; And adopt jump ring to be stuck on the jump ring groove of adjust bar adjust bar is carried out stroke limit, control handle is installed to and forms a sub-unit on the adjust bar, and the sub-unit that installs is installed in the valve gap that installs the multidigit valve rod; Put into the control mouth end of valve gap with arranging epithelium soon, and second inlet suction port of screwing on, second inlet suction port is provided with the 3rd exhausr port; Be provided with piston between valve gap and the valve body, valve gap is captiveed joint with valve body.
2. novel three bridge RE valves as claimed in claim 1, it is characterized in that: the quantity of said the 2nd interface is 6.
3. novel three bridge RE valves as claimed in claim 1, it is characterized in that: said first inlet suction port is tightened onto on the valve body through screw thread.
4. novel three bridge RE valves as claimed in claim 1 is characterized in that: realize fixed installation through regulating being threaded between joint and the valve gap when said sub-unit installs on the valve gap.
5. novel three bridge RE valves as claimed in claim 1 is characterized in that: said second inlet suction port adopts with valve gap and is threaded.
6. like each described novel three bridge RE valves in the claim 1 to 5, it is characterized in that: adopt hexagonal bar iron to achieve a fixed connection between said valve gap and the valve body.
CN201110426479.1A 2011-12-19 2011-12-19 Novel three-bridge emergency relay valve Active CN102556037B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104386056A (en) * 2014-12-03 2015-03-04 瑞立集团瑞安汽车零部件有限公司 Trailer relief valve
CN105501203A (en) * 2016-01-04 2016-04-20 瑞立集团瑞安汽车零部件有限公司 Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device
CN106274877A (en) * 2014-08-28 2017-01-04 陈仲明 There is the trailer brake valve of fourth gear output pressure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945690A (en) * 1973-12-06 1976-03-23 Jidosha Kiki Co., Ltd. Fluid-pressure regulating valve
US4181367A (en) * 1978-06-02 1980-01-01 Sealco Air Controls, Inc. Ratio relay emergency valve system for vehicles
JP2002002479A (en) * 2001-05-21 2002-01-09 Nabco Ltd Brake pressure control valve device for air brake system
CN201132525Y (en) * 2007-10-17 2008-10-15 浙江万安科技股份有限公司 Automobile relay valve
CN201703370U (en) * 2009-12-26 2011-01-12 梁传旺 Flow control type three-axle synchronous quick-release emergency relay valve
CN201951447U (en) * 2011-01-31 2011-08-31 淄博一伟汽车配件有限公司 Multi-axle automatic adjusting type emergency relay valve
CN202011391U (en) * 2011-01-31 2011-10-19 淄博一伟汽车配件有限公司 Multi-axle adjustable quick-release synchronous emergency relay valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3945690A (en) * 1973-12-06 1976-03-23 Jidosha Kiki Co., Ltd. Fluid-pressure regulating valve
US4181367A (en) * 1978-06-02 1980-01-01 Sealco Air Controls, Inc. Ratio relay emergency valve system for vehicles
JP2002002479A (en) * 2001-05-21 2002-01-09 Nabco Ltd Brake pressure control valve device for air brake system
CN201132525Y (en) * 2007-10-17 2008-10-15 浙江万安科技股份有限公司 Automobile relay valve
CN201703370U (en) * 2009-12-26 2011-01-12 梁传旺 Flow control type three-axle synchronous quick-release emergency relay valve
CN201951447U (en) * 2011-01-31 2011-08-31 淄博一伟汽车配件有限公司 Multi-axle automatic adjusting type emergency relay valve
CN202011391U (en) * 2011-01-31 2011-10-19 淄博一伟汽车配件有限公司 Multi-axle adjustable quick-release synchronous emergency relay valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106274877A (en) * 2014-08-28 2017-01-04 陈仲明 There is the trailer brake valve of fourth gear output pressure
CN106274877B (en) * 2014-08-28 2018-10-12 陈仲明 Trailer brake valve with fourth gear output pressure
CN104386056A (en) * 2014-12-03 2015-03-04 瑞立集团瑞安汽车零部件有限公司 Trailer relief valve
CN104386056B (en) * 2014-12-03 2018-02-13 瑞立集团瑞安汽车零部件有限公司 A kind of trailer relief valve
CN105501203A (en) * 2016-01-04 2016-04-20 瑞立集团瑞安汽车零部件有限公司 Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device

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Denomination of invention: Novel three-bridge emergency relay valve

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