CN103303296B - Novel trailer control valve - Google Patents
Novel trailer control valve Download PDFInfo
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- CN103303296B CN103303296B CN201310199891.3A CN201310199891A CN103303296B CN 103303296 B CN103303296 B CN 103303296B CN 201310199891 A CN201310199891 A CN 201310199891A CN 103303296 B CN103303296 B CN 103303296B
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The invention provides a novel trailer control valve which comprises a valve body and a valve deck mounted on the lower side of the valve body, wherein an air inlet port and an air outlet port are formed in the two opposite sides of the upper part of the valve body; an air inlet/outlet is formed in one side of the lower part of the valve body; an opening connected with an air outlet mechanism is formed in the middle upper part of the other side of the valve body opposite to the side of the lower part of the valve body; the air outlet mechanism is three groups of bi-pass check valves assembled in sequence; the openings in the two opposite sides of each bi-pass check valve are air inlets, an air outlet is formed in the side wall of each bi-pass check valve, and a seal ball capable of blocking the air inlets is further movably arranged inside each bi-pass check valve; a passage capable of being communicated with the air inlet port, the air outlet port and the air outlet mechanism is arranged inside the valve body; and an adjusting mechanism capable of adjusting the trend of the airflow inside the valve body is movably arranged inside the passage. Compared with the prior art, the novel trailer control valve has large ventilation flow, no retardation and few faults, the manufacturing cost is low, the reliability and the durability are greatly improved, and the popularization is facilitated.
Description
Technical field
The present invention relates to a kind of automobile brake technical field, the Novel trailer control valve that a kind of structure is simple, easy to use specifically.
Background technology
Along with China's express highway backbone network basically forms, there is the large-tonnage of obvious ton-kilomiter cost advantage, goods carrying vehicle and long wheelbase semi-trailer, trailer also increases year by year.Because the wheelbase of above-mentioned vehicle increases, brake piping also lengthens accordingly, and to the long wheelbase vehicle of running at high speed, the reflecting time of air braking system is delayed, braking force is not enough remains subject matter.And existing Double-pipeline trailer brake valve trailer braking protection valve time lag when there is heavy duty, braking is felt like jelly, the braking force needed for long wheelbase vehicle can not be met when point braking or semi-brake, there is trailer during braking and clash into main car phenomenon, add large trailer emergency relay valve unloaded, occur dragging tire serious phenomenon, wear on tyres is serious, cause braking effect not good simultaneously, when especially bad weather, road conditions are not good, easily occur traffic accident.
The Novel trailer control valve ubiquity of current widespread use manufacturing process complexity, and fault is many, and sensitivity is low, cold season easily freezes, and easily blocks, and the easy corrosion of piston causes retardance, braking retardation is made during operation, or not return, or leak air, hand brakingly be difficult to unclamp etc. not enough, above-mentioned drawback annoyings navigating mate, even if think the Wei Baike product of more advanced import, the sensitivity used, ventilation flow rate is on reliability and durability, still unsatisfactory.
Summary of the invention
Technical assignment of the present invention solves the deficiencies in the prior art, provides that a kind of structure is simple, Novel trailer control valve.
Technical scheme of the present invention realizes in the following manner, a kind of Novel trailer control valve, comprise valve body, be arranged on the valve gap on the downside of valve body, relative both sides, described valve body top offer intake interface and interface of giving vent to anger, the side of valve body middle and lower part offers air inlet/outlet, corresponding with this valve body side, the middle and upper part of valve body opposite side offers the opening connecting air-out mechanism, described air-out mechanism refers to three groups of double-way check valves of order assembling, described double-way check valve refers to that the opening of the relative both sides of this valve is admission port, air extractor duct is then arranged on sidewall, the ball sealer that admission port can be blocked also is movably set with in double-way check valve inside, this valve inner offers and can be communicated with intake interface, to give vent to anger interface, the passage of air inlet/outlet and air-out mechanism, the regulating mechanism of adjustable valve body internal gas flow trend is movably set with in this passage.In this technical scheme, valve inner forms a passage extended in all direction, the trend of each air-flow in this passage can be completed by regulating mechanism, the side of valve body is connected with three groups of double-way check valves, only establish an exhausr port, ensure that the unitarity of exhaust, each interface offered can be used for connecting the different stop mechanism of trailer simultaneously, and braking effect is good.
As preferably, described regulating mechanism comprise be fixed on valve body upper end gland, to be connected with gland elasticity by elastic component and the air-intake valve plate of this passage can be closed, be arranged on valve block under the valve rod of inner hollow, be socketed the diaphragm assembly be arranged on the downside of valve rod in wing passage, be movably set with elastic component between described diaphragm assembly and valve gap, the two ends up and down of valve rod all offer the deflation hole being communicated with stem cavity.In this technical scheme, adopt diaphragm assembly the gas through it can be carried out simple filtration, ensure the clean-up performance of gas, diaphragm assembly structure generally adopts rubber to make simultaneously, is easy to replace and alternative costs are cheap; Valve rod then can use flexibly, regulates the relation between air-intake valve plate and passage by the flowing of gas, makes it open or closes.
As preferably, the position that described valve interior wall contacts with diaphragm assembly is provided with packing ring.The setting of this packing ring is to play buffer action, extends the service life of diaphragm assembly further.
As preferably, the elastic component between described gland and air-intake valve plate, elastic component between diaphragm assembly and valve gap are Compress Spring or metal spring sheet.This general elastic component selects Compress Spring, this is because Compress Spring structure is simple, easy installation and removal, is easy to valve inner and safeguards.
As preferably, be provided with sealing member in the passage in described valve body between air inlet/outlet and air-out mechanism, the seal is socketed on valve rod and it is relative with valve interior wall fixing by circlip.This technical scheme is then for limiting channel inner chamber, and convenient valve rod controls air-intake valve plate.
As preferably, the assembling of described three groups of double-way check valves order refers to: an admission port of first group of double-way check valve connects valve body, an admission port of second group of double-way check valve connects the air extractor duct of first group, an admission port of the 3rd group of double-way check valve connects the air extractor duct of second group, and another admission port of these three groups of double-way check valves, the air extractor duct of the 3rd group of double-way check valve are connected to that air inlet connecting is first, inlet suction port two, inlet suction port three, air outlet adapter.Adopt the structure of this technical scheme, three groups of double-way check valves can be made all to discharge from the exhaust ports of the 3rd group of double-way check valve, greatly improve the sensitieness of whole control cock, prevent retardance from occurring.
As preferably, the junction of the first junction of described first group of junction between double-way check valve and valve body, first group of two-way one-way valve and air inlet connecting, second group of double-way check valve and the junction of first group of double-way check valve, second group of double-way check valve and the junction of inlet suction port two, the 3rd group of double-way check valve and the junction of second group of double-way check valve, the 3rd group of double-way check valve and the junction of inlet suction port three, the 3rd group of double-way check valve and air outlet adapter is provided with seal ring.
Further, described intake interface connects the air supply opening of emergency relay valve, and interface of giving vent to anger connects air receiver; The air inlet/outlet being arranged on valve body side connects the stopping brake lock control cock of trailer; The first auxiliary connection parking brake of air inlet connecting, inlet suction port two connects the first braking chamber of master brake cylinder, and inlet suction port three connects the second braking chamber of master brake cylinder.
The beneficial effect that the present invention is compared with prior art produced is:
A kind of Novel trailer control valve of the present invention has that structure is simple, compact, be skillfully constructed, sensitivity high, the ventilation flow rate of this trailer valve is large, do not block, fault is few, cheap for manufacturing cost, reliability and durability improve greatly, minor structure is compacter, and cold season not easily freezes, and does not have corrosion to cause retardance, easy maintenance, by mutually being combined by each double-way check valve, each detent diversity of trailer can be integrated by the control cock after combination, and braking is convenient, use more flexible, the automotive field such as trailer, superimposed trailer can be widely used in.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 be in Fig. 1 A to cross-sectional schematic diagram.
Mark in accompanying drawing represents respectively:
1, valve body, 2, gland, 3, intake interface, 4, valve block spring, 5, air-intake valve plate, 6, valve rod, 7, sealing member, 8, air inlet/outlet, 9, diaphragm assembly, 10, deflation hole, 11, Compress Spring, 12, valve gap, 13, packing ring, 14, circlip, 15, interface of giving vent to anger, 16, air inlet connecting is first, 17, ball sealer, 18, inlet suction port three, 19, air outlet adapter, 20, inlet suction port two, 21, double-way check valve, 22, seal ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of Novel trailer control valve of the present invention is described in detail below.
As accompanying drawing 1, shown in Fig. 2, this a kind of Novel trailer control valve, comprise valve body 1, be arranged on the valve gap 12 on the downside of valve body 1, relative both sides, described valve body 1 top offer intake interface 3 and interface 15 of giving vent to anger, the side of valve body 1 middle and lower part offers air inlet/outlet 8, corresponding with this valve body 1 side, the middle and upper part of valve body 1 opposite side offers the opening connecting air-out mechanism, described air-out mechanism refers to three groups of double-way check valves 21 of order assembling, described double-way check valve 21 refers to that the opening of the relative both sides of this valve is admission port, air extractor duct is then arranged on sidewall, the ball sealer 17 that admission port can be blocked also is movably set with in double-way check valve 21 inside, that is, the diameter of ball sealer 17 is far longer than the bore that admission port is offered, this valve body 1 inside offers and can be communicated with intake interface 3, to give vent to anger interface 15, the passage of air inlet/outlet 8 and air-out mechanism, the regulating mechanism of adjustable valve body 1 internal gas flow trend is movably set with in this passage.
Described regulating mechanism comprise be fixed on valve body 1 upper end gland 2, to be connected with gland 2 elasticity by valve block spring 4 and the air-intake valve plate 5 of this passage can be closed, be arranged on valve block under the valve rod 6 of inner hollow, be socketed the diaphragm assembly 9 be arranged on the downside of valve rod 6 in wing passage, be movably set with Compress Spring 11 between described diaphragm assembly 9 and valve gap 12, the two ends up and down of valve rod 6 all offer the deflation hole 10 being communicated with valve rod 6 inner chamber.
The position that described valve body 1 inwall contacts with diaphragm assembly 9 is provided with packing ring 13.
Be provided with sealing member 7 in passage in described valve body 1 between air inlet/outlet 8 and air-out mechanism, the seal 7 is socketed on valve rod 6 and it is relative fixing with valve body 1 inwall by circlip 14.
The assembling of described three groups of double-way check valves 21 order refers to: an admission port of first group of double-way check valve 21 connects valve body 1, an admission port of second group of double-way check valve 21 connects the air extractor duct of first group, an admission port of the 3rd group of double-way check valve 21 connects the air extractor duct of second group, and another admission port of these three groups of double-way check valves 21, the air extractor duct of the 3rd group of double-way check valve 21 are connected to that air inlet connecting is first 16, inlet suction port 2 20, inlet suction port 3 18, air outlet adapter 19.
Like this, when first 16 air feed of the air inlet connecting of first group of double-way check valve 21, ball sealer 17 moves and is blocked by the admission port of its opposite side, and gas enters second group of double-way check valve 21; When inlet suction port 2 20 air feed of second group of double-way check valve 21, ball sealer 17 moves and is blocked by the admission port be connected with first group of double-way check valve 21 exhausr port, and gas enters the 3rd group of double-way check valve 21; When inlet suction port 3 18 air feed of the 3rd group of double-way check valve 21, ball sealer 17 moves and is blocked by the admission port be connected with second group of double-way check valve 21 exhausr port, and last gas is discharged from air outlet adapter 19.
Junction between described first group of double-way check valve 21 and valve body 1, the junction of first group of double-way check valve 21 and air inlet connecting first 16, the junction of second group of double-way check valve 21 and first group of double-way check valve 21, the junction of second group of double-way check valve 21 and inlet suction port 2 20, the junction of the 3rd group of double-way check valve 21 and second group of double-way check valve 21, the junction of the 3rd group of double-way check valve 21 and inlet suction port 3 18, 3rd group of double-way check valve 21 is provided with seal ring 22 with the junction of air outlet adapter 19.
Described intake interface 3 connects the air supply opening of emergency relay valve, and interface 15 of giving vent to anger connects air receiver; The air inlet/outlet 8 being arranged on valve body 1 side connects the stopping brake lock control cock of trailer; The first 16 auxiliary connection parking brakes of air inlet connecting, inlet suction port 2 20 connects the first braking chamber of master brake cylinder, and inlet suction port 3 18 connects the second braking chamber of master brake cylinder.
When hand braking control cock air feed, air pressure promotes diaphragm assembly 9 and moves, overcome the pressure of Compress Spring 11, band ovable valve stem 6, air-intake valve plate 5 is closed, and the gas in the venting channels be connected with double-way check valve 21 by valve body 1 opposite side is discharged, remove hand braking, time not to air inlet/outlet 8 air feed, Compress Spring 11 promotes diaphragm assembly 9 and air-intake valve plate 5 is opened by valve rod 6, make the gas of intake interface 3 be flowed to the air outlet adapter of giving vent to anger by three groups of double-way check valves 21, supply trailer, emergency brake valve controls pore.
General, need to offer deflation hole on valve gap 12, in addition, diaphragm assembly 9 is integrated to be fixed on two compressing tablets, and two compressing tablets are socketed in outside valve rod 6, generally all arranges the pad that can play buffer action in the contact site of compressing tablet and valve gap 12, valve body 1 inwall.
In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of change, such as make diaphragm assembly into rubber piston structure, ball sealer makes sealing block etc. into also can make a lot of change, remodeling, interpolation or replacement in essential scope of the present invention.At this, should illustrate, any change made under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (8)
1. a Novel trailer control valve, it is characterized in that: comprise valve body, be arranged on the valve gap on the downside of valve body, relative both sides, described valve body top offer intake interface and interface of giving vent to anger, the side of valve body middle and lower part offers air inlet/outlet, corresponding with this valve body side, the middle and upper part of valve body opposite side offers the opening connecting air-out mechanism, described air-out mechanism refers to three groups of double-way check valves of order assembling, described double-way check valve refers to that the opening of the relative both sides of this valve is admission port, air extractor duct is then arranged on sidewall, the ball sealer that admission port can be blocked also is movably set with in double-way check valve inside, this valve inner offers and can be communicated with intake interface, to give vent to anger interface, the passage of air inlet/outlet and air-out mechanism, the regulating mechanism of adjustable valve body internal gas flow trend is movably set with in this passage.
2. a kind of Novel trailer control valve according to claim 1, it is characterized in that: described regulating mechanism comprise be fixed on valve body upper end gland, to be connected with gland elasticity by elastic component and the air-intake valve plate of this passage can be closed, be arranged on valve block under the valve rod of inner hollow, be socketed the diaphragm assembly be arranged on the downside of valve rod in wing passage, be movably set with elastic component between described diaphragm assembly and valve gap, the two ends up and down of valve rod all offer the deflation hole being communicated with stem cavity.
3. a kind of Novel trailer control valve according to claim 2, is characterized in that: the position that described valve interior wall contacts with diaphragm assembly is provided with packing ring.
4. a kind of Novel trailer control valve according to claim 2, is characterized in that: the elastic component between described gland and air-intake valve plate, elastic component between diaphragm assembly and valve gap are Compress Spring or metal spring sheet.
5. a kind of Novel trailer control valve according to claim 2, it is characterized in that: be provided with sealing member in the passage in described valve body between air inlet/outlet and air-out mechanism, the seal is socketed on valve rod and it is relative with valve interior wall fixing by circlip.
6. a kind of Novel trailer control valve according to claim 1, it is characterized in that: the assembling of described three groups of double-way check valves order refers to: an admission port of first group of double-way check valve connects valve body, an admission port of second group of double-way check valve connects the air extractor duct of first group, an admission port of the 3rd group of double-way check valve connects the air extractor duct of second group, and another admission port of these three groups of double-way check valves, the air extractor duct of the 3rd group of double-way check valve are connected to that air inlet connecting is first, inlet suction port two, inlet suction port three, air outlet adapter.
7. a kind of Novel trailer control valve according to claim 6, is characterized in that: the junction of the first junction of described first group of junction between double-way check valve and valve body, first group of double-way check valve and air inlet connecting, second group of double-way check valve and the junction of first group of double-way check valve, second group of double-way check valve and the junction of inlet suction port two, the 3rd group of double-way check valve and the junction of second group of double-way check valve, the 3rd group of double-way check valve and the junction of inlet suction port three, the 3rd group of double-way check valve and air outlet adapter is provided with seal ring.
8. a kind of Novel trailer control valve according to claim 6 or 7, is characterized in that: described intake interface connects the air supply opening of emergency relay valve, and interface of giving vent to anger connects air receiver; The air inlet/outlet being arranged on valve body side connects the stopping brake lock control cock of trailer; The first auxiliary connection parking brake of air inlet connecting, inlet suction port two connects the first braking chamber of master brake cylinder, and inlet suction port three connects the second braking chamber of master brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199891.3A CN103303296B (en) | 2013-05-27 | 2013-05-27 | Novel trailer control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199891.3A CN103303296B (en) | 2013-05-27 | 2013-05-27 | Novel trailer control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103303296A CN103303296A (en) | 2013-09-18 |
| CN103303296B true CN103303296B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310199891.3A Expired - Fee Related CN103303296B (en) | 2013-05-27 | 2013-05-27 | Novel trailer control valve |
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| CN (1) | CN103303296B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035065B (en) * | 2015-08-13 | 2018-08-10 | 山东康健汽车配件有限公司 | A kind of throttling stepless voltage transformation trailer control valve |
| CN105599741A (en) * | 2015-12-22 | 2016-05-25 | 芜湖恒坤汽车部件有限公司 | Brake master cylinder |
| EP3822522B1 (en) * | 2019-11-12 | 2024-09-04 | ZF CV Systems Europe BV | A trailer control valve for a vehicle |
| CN110803150B (en) * | 2019-11-27 | 2024-10-25 | 东风商用车有限公司 | Lightweight integrated trailer valve support assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58167249A (en) * | 1982-03-19 | 1983-10-03 | ヴアブコ・フア−ルツオイクブレムゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Control valve for braking pressure |
| CN1074183A (en) * | 1992-01-09 | 1993-07-14 | 张军 | The brake system of truck of band trailer |
| US5340203A (en) * | 1993-06-11 | 1994-08-23 | Westinghouse Air Brake Company | Variable load control valve with dual diaphragms reinforced by washers and spacer members |
| US5524662A (en) * | 1990-01-25 | 1996-06-11 | G.T. Products, Inc. | Fuel tank vent system and diaphragm valve for such system |
| DE102009053814A1 (en) * | 2009-11-18 | 2011-05-19 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Multi-stage switchable pilot operated valve arrangement |
| CN102089558A (en) * | 2008-07-11 | 2011-06-08 | 科万股份公司 | Pressure controlled three way valve device |
| CN202703571U (en) * | 2012-06-07 | 2013-01-30 | 郭绪辉 | Automatic brake valve for automobile braking |
| CN203246461U (en) * | 2013-05-27 | 2013-10-23 | 梁山康健汽车配件有限公司 | Novel trailer control valve |
-
2013
- 2013-05-27 CN CN201310199891.3A patent/CN103303296B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58167249A (en) * | 1982-03-19 | 1983-10-03 | ヴアブコ・フア−ルツオイクブレムゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Control valve for braking pressure |
| US5524662A (en) * | 1990-01-25 | 1996-06-11 | G.T. Products, Inc. | Fuel tank vent system and diaphragm valve for such system |
| CN1074183A (en) * | 1992-01-09 | 1993-07-14 | 张军 | The brake system of truck of band trailer |
| US5340203A (en) * | 1993-06-11 | 1994-08-23 | Westinghouse Air Brake Company | Variable load control valve with dual diaphragms reinforced by washers and spacer members |
| CN102089558A (en) * | 2008-07-11 | 2011-06-08 | 科万股份公司 | Pressure controlled three way valve device |
| DE102009053814A1 (en) * | 2009-11-18 | 2011-05-19 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Multi-stage switchable pilot operated valve arrangement |
| CN202703571U (en) * | 2012-06-07 | 2013-01-30 | 郭绪辉 | Automatic brake valve for automobile braking |
| CN203246461U (en) * | 2013-05-27 | 2013-10-23 | 梁山康健汽车配件有限公司 | Novel trailer control valve |
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| CN103303296A (en) | 2013-09-18 |
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Address after: 272613 Shandong city of Jining province Liangshan County boxing Town Industrial Park Huayu Road No. 8 Applicant after: The healthy Car assessories Co., Ltd in Shandong Address before: 272613, No. four, No. three, boxing Town, Liangshan County, Jining, Shandong Applicant before: Liangshan Kangjian Automotive Parts Co., Ltd. |
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