CN103303297A - Two-way check valve easy to adjust - Google Patents
Two-way check valve easy to adjust Download PDFInfo
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- CN103303297A CN103303297A CN2013101999460A CN201310199946A CN103303297A CN 103303297 A CN103303297 A CN 103303297A CN 2013101999460 A CN2013101999460 A CN 2013101999460A CN 201310199946 A CN201310199946 A CN 201310199946A CN 103303297 A CN103303297 A CN 103303297A
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- valve body
- valve
- way check
- joint
- exhaust passage
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Abstract
The invention provides a two-way check valve easy to adjust. The two-way check valve comprises a valve body, wherein an exhaust passage is arranged in the valve body; a metering pin valve is arranged on the upper side of the valve body and comprises a flow adjusting lever and a locknut; the flow adjusting lever is partially arranged in the exhaust passage and partially extends out of the valve body; the locknut is arranged on the outer side of the valve body and is used in coordination with the flow adjusting lever; the lower side of the valve body is connected with a connector through an intermediate housing or is directly connected with the connector; and an air inlet or an air outlet, which is communicated with the exhaust passage, is formed in the connector, and correspondingly, an air inlet or an air outlet, which is communicated with the exhaust passage, is formed in the side wall of the valve body. Compared with the prior art, the two-way check valve has the advantages that the air inflow can be adjusted; the braking forces of a number of wheels are balanced; after braking, air in a brake chamber can be exhausted quickly; and the two-way check valve is energy-saving and environment-friendly.
Description
Technical field
The present invention relates to a kind of automobile brake valve technology field, specifically a kind of double-way check valve of simple in structure, easy to use, easy adjusting.
Background technology
Compressed air brake cylinder claims that also wheel cylinder, its effect are to change compressed-air actuated pressure into mechanical force that brake camshaft is rotated, realize braking maneuver.Compressed air brake cylinder is that clip clamps diaphragm type, and its structure comprises former and later two air chambers, and forward and backward compressed air brake cylinder varies in size, but its structure is basic identical.When automobile brake, air enters compressed air brake cylinder from admission port, makes diaphragm produce distortion under the air pressure effect, promotes push rod, and drives braking adjusting arm, and the rolling brake cam presses to brake shoe lining brake wheel and produces braking.When the automobile brake off, the pressurized air in the compressed air brake cylinder enters atmosphere through dual-chamber brake or rapid release valve, and diaphragm and push rod recover virgin state under the pull back spring effect.
The compressed air brake cylinder of at present automobile brake application, charge flow rate can not be adjusted, when drag uses, owing to many reasons such as brake wheel, brake plate and lock torques, be difficult to guarantee that many wheel braking forces are balanced, cause wear on tyres to increase the weight of, behind the brake off, compressed air brake cylinder gas is discharged slowly, wastes energy contaminated environment.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, and a kind of double-way check valve of simple in structure, easy adjusting is provided.
Technical scheme of the present invention realizes in the following manner, a kind of double-way check valve of easy adjusting, comprise valve body, the built-in exhaust passage of valve body, be provided with metering pin valve at the valve body upside, this metering pin valve comprises partly inserts in the exhaust passage, part is stretched out the flow control rod of valve body, the jam nut that is arranged on the valve body outside and is used in conjunction with flow control rod, at the valve body downside by middle shell or directly be connected with joint, offer the admission port or the air extractor duct that are communicated with the exhaust passage on this joint, corresponding, offer the air extractor duct or the admission port that are communicated with the exhaust passage on the sidewall of valve body, when described valve body is connected with joint by middle shell, built-in port group and the movable film of regulating by metering pin valve of this middle shell; When described valve body directly is connected with joint, be provided with adjustment sheet and the movable film regulating and be used in conjunction with each other by metering pin valve between described valve body and the joint.In this technical scheme, metering pin valve can be realized the control to gas flow, and during air inlet, gas is regulated control by flow control rod, realizes current limliting; Then finish fast when giving vent to anger and give vent to anger, whole regulating valve structure is small and exquisite, flexible adjustment, the convenient use.
As preferably, but described movable film is air extractor vent discoid that central authorities offer the connection traffic adjust bar, evenly is provided with 2～5 banking stops on the outer of movable film.This structure just can cooperate metering pin valve that whole exhaust passage is opened or closed by assurance activity film, and when air inlet, flow control rod places realizes current limliting in the air extractor vent, and flow control rod then leaves air extractor vent during exhaust, realizes Quick air-discharge.
As preferably, but described port group be arranged on the middle shell and be the breather hole that central authorities offer the connection traffic adjust bar, the porose disc shape that deflation hole is evenly offered in the breather hole outside, this breather hole is mutually corresponding with above-mentioned air extractor vent; But described adjustment sheet is the breather hole that central authorities offer the connection traffic adjust bar, the porose disc shape that deflation hole is evenly offered in the breather hole outside, and this breather hole is mutually corresponding with above-mentioned air extractor vent.The empty group of intake and exhaust in this technical scheme and adjustment sheet all are the porose disc shape, and the breather hole at center enters mode of operation during air inlet, and all through holes all enter mode of operation during exhaust, realize air inlet current limliting, exhaust fast speed purpose.
As preferably, described movable film is arranged near between the valve body and joint of admission port; Adjustment sheet is arranged near between the valve body and joint of air extractor duct.Can be learnt by technique scheme, adjustment sheet cooperates air extractor duct to use, thereby the position of movable film and adjustment sheet so is set as the most reasonably setting.
As preferably, when offering admission port on setting out gas port, body wall on the joint, the valve body downside contacts with movable film and the even evagination in its contact site is provided with boss.Boss in this technical scheme can be so that during exhaust, becomes the exhaust passage by boss shape between movable film and the valve body and can't seal, so that exhaust can be finished fast.
As preferably, when setting out gas port on offering admission port, body wall on the joint, joint is inboard to contact with movable film and the even evagination in its contact site is provided with boss.Boss in this technical scheme can so that compressed air brake cylinder when exhaust, become the exhaust passage by boss shape between movable film and the joint and can't seal so that exhaust can be finished fast.
In addition, structure of the present invention can also be following structure: a kind of double-way check valve of easy adjusting, comprise valve body, the built-in exhaust passage of valve body, be provided with metering pin valve at the valve body upside, this metering pin valve comprises partly inserts in the exhaust passage, part is stretched out the flow control rod of valve body, the jam nut that is arranged on the valve body outside and is used in conjunction with flow control rod, be connected with compressed air brake cylinder at the valve body downside, offer the admission port that is communicated with the exhaust passage on the sidewall of described valve body, corresponding, the junction of compressed air brake cylinder and valve body evenly offers the port group, is provided with the movable film of regulating by metering pin valve between the port group of described valve body and compressed air brake cylinder.
As preferably, but comprising on the compressed air brake cylinder wall of breather hole, breather hole periphery of and connection traffic adjust bar corresponding with the air extractor vent position, described port group evenly offers deflation hole.
Further, the even evagination of described valve body downside and the contacted position of movable film is provided with boss.
The beneficial effect that the present invention compared with prior art produces is:
The characteristics such as that the double-way check valve of a kind of easy adjusting of the present invention has is simple in structure, easy to use, be skillfully constructed, the present invention both can adjust suction quantity, made many wheel braking forces balanced, after braking is finished, can make again the braking indoor gas discharge fast energy-conserving and environment-protective; Owing to adopting said structure, charge flow rate can be adjusted by flow control rod simultaneously, braking effect is good, and the brake off process is rapid simultaneously; The cost of manufacture of whole valve is low, and result of use is good, can be widely used in automotive field.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the invention 1.
Accompanying drawing 2 is structural representations of the embodiment of the invention 2.
Accompanying drawing 3 is structural representations of the embodiment of the invention 3.
Accompanying drawing 5 is movable film structure schematic diagrams of the present invention.
Accompanying drawing 6 is adjustment sheet structural representations of the present invention.
Accompanying drawing 7 is the inboard schematic diagrams of embodiments of the invention 2 center taps.
Mark in the accompanying drawing represents respectively:
1, valve body, 2, flow control rod, 3, jam nut, 4, boss, 5, movable film, 6, adjustment sheet, 7, air extractor duct, 8, joint, 9, admission port, 10, the exhaust passage, 11, banking stop, 12, air extractor vent, 13, deflation hole, 14, breather hole, 15, compressed air brake cylinder, 16, middle shell.
The specific embodiment
Be described in detail below below in conjunction with the double-way check valve of accompanying drawing to a kind of easy adjusting of the present invention.
Embodiment one: such as accompanying drawing 1, Fig. 4, Fig. 5, shown in Figure 6, the double-way check valve of this a kind of easy adjusting, comprise valve body 1, valve body 1 built-in exhaust passage 10, be provided with metering pin valve at valve body 1 upside, this metering pin valve comprises partly inserts in the exhaust passage 10, part is stretched out the flow control rod 2 of valve body 1, the jam nut 3 that is arranged on valve body 1 outside and is used in conjunction with flow control rod 2, be connected with joint 8 at valve body 1 downside by middle shell 16, offer the air extractor duct 7 that is communicated with exhaust passage 10 on this joint 8, corresponding, offer the admission port 9 that is communicated with exhaust passage 10 on the sidewall of valve body 1, be provided with the movable film 5 of regulating by metering pin valve in the middle shell 16 between described valve body 1 and the joint 8, be provided with four boss 4 at the even evagination of valve body 1 downside and movable film 5 contacted positions.
But described middle shell 16 is air extractor vent 12 discoid that central authorities offer connection traffic adjust bar 2, on the outer of movable film 5, evenly be provided with 3 or polylith banking stop 11, further, offer the position-limited trough that is used in conjunction with banking stop 11 on middle shell 16 inwalls, so movable film 5 just can rule up-and-down movement and can the occurrence positions skew, guarantee its sealing property.
Embodiment two: such as accompanying drawing 2, Fig. 5, Fig. 6, shown in Figure 7, the double-way check valve of this a kind of easy adjusting, comprise valve body 1, valve body 1 built-in exhaust passage 10, be provided with metering pin valve at valve body 1 upside, this metering pin valve comprises partly inserts in the exhaust passage 10, part is stretched out the flow control rod 2 of valve body 1, the jam nut 3 that is arranged on valve body 1 outside and is used in conjunction with flow control rod 2, be connected with joint 8 at valve body 1 downside, offer the admission port 9 that is communicated with exhaust passage 10 on this joint 8, corresponding, offer the air extractor duct 7 that is communicated with exhaust passage 10 on the sidewall of valve body 1, described valve body 1 is provided with movable film 5 and the adjustment sheet 6 of regulating and being used in conjunction with each other by metering pin valve with the junction of joint 8, wherein movable film 5 is arranged on joint 8 upper ends near admission port 9, adjustment sheet 6 is arranged on valve body 1 downside near air extractor duct 7, is provided with four boss 4 in joint 8 inboards with the even evagination in adjustment sheet 6 contacted positions.
But described movable film 5 is air extractor vent 12 discoid that central authorities offer connection traffic adjust bar 2, on the outer of movable film 5, evenly be provided with 3 banking stops 11, further, offer the position-limited trough that is used in conjunction with banking stop 11 on valve body 1 inwall, so movable film 5 just can rule up-and-down movement and can the occurrence positions skew, guarantee its sealing property.
But described adjustment sheet 5 is the breather hole 14 that central authorities offer connection traffic adjust bar 2, the porose disc shape that deflation hole 13 is evenly offered in breather hole 14 outsides, and this breather hole 14 is mutually corresponding with above-mentioned air extractor vent 12.
During work, the pressure-acting of being bullied, pressurized air enters air cavity by admission port 9, and at this moment adjusting activity film 5 is regulated and control adjustment sheet 6 sealings and its air inlet by flow control rod 2, and then finishes braking; Can be through all perforates of adjustment sheet 6 when movable flow control rod 2 during exhaust, gas are discharged in the air cavity, exhaust pathway increases, and braking is removed rapidly.
But comprising on compressed air brake cylinder 15 walls of breather hole 14, breather hole 14 peripheries of and connection traffic adjust bar 2 corresponding with air extractor vent 12 positions, described port group evenly offers deflation hole 13.
The even evagination of described valve body 1 downside and adjustment sheet 5 contacted positions is provided with boss 4.
General, but admission port 9 connects the air-source of input compressed-air, during work, the pressure-acting of being bullied, pressurized air enters compressed air brake cylinder 15 by admission port 9, and at this moment movable film 5 is regulated and control deflation hole 13 sealings and its air inlet by flow control rod 2, and then finishes braking; Can discharge through breather hole 14 and deflation hole 13 when movable flow control rod 2 during exhaust, gas are discharged in the air cavity, braking is removed rapidly.
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 variations, in essential scope of the present invention, also can make a lot of variations, remodeling, interpolation or replacement.At this, should illustrate, any change of making under inventive concept of the present invention all will fall within the scope of protection of the present invention.
Claims (10)
1. double-way check valve of easily regulating, it is characterized in that: comprise valve body, the built-in exhaust passage of valve body, be provided with metering pin valve at the valve body upside, this metering pin valve comprises partly inserts in the exhaust passage, part is stretched out the flow control rod of valve body, the jam nut that is arranged on the valve body outside and is used in conjunction with flow control rod, at the valve body downside by middle shell or directly be connected with joint, offer the admission port or the air extractor duct that are communicated with the exhaust passage on this joint, corresponding, offer the air extractor duct or the admission port that are communicated with the exhaust passage on the sidewall of valve body, when described valve body is connected with joint by middle shell, built-in port group and the movable film of regulating by metering pin valve of this middle shell; When described valve body directly is connected with joint, be provided with adjustment sheet and the movable film regulating and be used in conjunction with each other by metering pin valve between described valve body and the joint.
2. the double-way check valve of a kind of easy adjusting according to claim 1 is characterized in that: but described movable film is air extractor vent discoid that central authorities offer the connection traffic adjust bar, evenly is provided with 2～5 banking stops on the outer of movable film.
3. the double-way check valve of a kind of easy adjusting according to claim 2, it is characterized in that: but described port group be arranged on the middle shell and be the breather hole that central authorities offer the connection traffic adjust bar, the porose disc shape that deflation hole is evenly offered in the breather hole outside, this breather hole is mutually corresponding with above-mentioned air extractor vent; But described adjustment sheet is the breather hole that central authorities offer the connection traffic adjust bar, the porose disc shape that deflation hole is evenly offered in the breather hole outside, and this breather hole is mutually corresponding with above-mentioned air extractor vent.
4. the double-way check valve of arbitrary described a kind of easy adjusting according to claim 1～3 is characterized in that: described movable film is arranged near between the valve body and joint of admission port; Adjustment sheet is arranged near between the valve body and joint of air extractor duct.
5. the double-way check valve of a kind of easy adjusting according to claim 4, it is characterized in that: when offering admission port on setting out gas port, body wall on the joint, the valve body downside contacts with movable film and the even evagination in its contact site is provided with boss.
6. the double-way check valve of a kind of easy adjusting according to claim 4 is characterized in that: when setting out gas port on offering admission port, body wall on the joint, joint is inboard to contact with movable film and the even evagination in its contact site is provided with boss.
7. double-way check valve of easily regulating, it is characterized in that: comprise valve body, the built-in exhaust passage of valve body, be provided with metering pin valve at the valve body upside, this metering pin valve comprises partly inserts in the exhaust passage, part is stretched out the flow control rod of valve body, the jam nut that is arranged on the valve body outside and is used in conjunction with flow control rod, be connected with compressed air brake cylinder at the valve body downside, offer the admission port that is communicated with the exhaust passage on the sidewall of described valve body, corresponding, the junction of compressed air brake cylinder and valve body evenly offers the port group, is provided with the movable film of regulating by metering pin valve between the port group of described valve body and compressed air brake cylinder.
8. the double-way check valve of a kind of easy adjusting according to claim 7 is characterized in that: but described movable film is air extractor vent discoid that central authorities offer the connection traffic adjust bar, evenly is provided with 2～5 banking stops on the outer of movable film.
9. the double-way check valve of a kind of easy adjusting according to claim 8 is characterized in that: evenly offer deflation hole but described port group comprises on the compressed air brake cylinder wall of breather hole, breather hole periphery of and connection traffic adjust bar corresponding with the air extractor vent position.
10. the double-way check valve of a kind of easy adjusting according to claim 8, it is characterized in that: the even evagination of described valve body downside and the contacted position of movable film is provided with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199946.0A CN103303297B (en) | 2013-05-27 | 2013-05-27 | Two-way check valve easy to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199946.0A CN103303297B (en) | 2013-05-27 | 2013-05-27 | Two-way check valve easy to adjust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103303297A true CN103303297A (en) | 2013-09-18 |
| CN103303297B CN103303297B (en) | 2015-05-20 |
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ID=49129135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310199946.0A Expired - Fee Related CN103303297B (en) | 2013-05-27 | 2013-05-27 | Two-way check valve easy to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103303297B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730505A (en) * | 2016-04-18 | 2016-07-06 | 金龙联合汽车工业（苏州）有限公司 | Hydraulic two-way check valve for steering system of new-energy bus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966269A (en) * | 1975-09-12 | 1976-06-29 | General Signal Corporation | Fluid brake control system |
| CN2225405Y (en) * | 1995-05-29 | 1996-04-24 | 杨升光 | Pneumatic brake control valve for vehicles |
| DE3911866C2 (en) * | 1989-02-24 | 1997-03-27 | Goecking Ira Wilfriede | Adjustable quick exhaust valve |
| CN201300836Y (en) * | 2008-11-06 | 2009-09-02 | 东风汽车股份有限公司 | Two-way quick release valve |
| CN202294782U (en) * | 2011-09-27 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Quick release valve |
| CN203246458U (en) * | 2013-05-27 | 2013-10-23 | 梁山康健汽车配件有限公司 | Easily-adjusted double-pass check valve |
-
2013
- 2013-05-27 CN CN201310199946.0A patent/CN103303297B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966269A (en) * | 1975-09-12 | 1976-06-29 | General Signal Corporation | Fluid brake control system |
| DE3911866C2 (en) * | 1989-02-24 | 1997-03-27 | Goecking Ira Wilfriede | Adjustable quick exhaust valve |
| CN2225405Y (en) * | 1995-05-29 | 1996-04-24 | 杨升光 | Pneumatic brake control valve for vehicles |
| CN201300836Y (en) * | 2008-11-06 | 2009-09-02 | 东风汽车股份有限公司 | Two-way quick release valve |
| CN202294782U (en) * | 2011-09-27 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Quick release valve |
| CN203246458U (en) * | 2013-05-27 | 2013-10-23 | 梁山康健汽车配件有限公司 | Easily-adjusted double-pass check valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105730505A (en) * | 2016-04-18 | 2016-07-06 | 金龙联合汽车工业（苏州）有限公司 | Hydraulic two-way check valve for steering system of new-energy bus |
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| Publication number | Publication date |
|---|---|
| CN103303297B (en) | 2015-05-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
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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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: LIANGSHAN KANGJIAN AUTOMOTIVE PARTS CO., LTD. TO: SHANDONG KANGJIAN AUTO PARTS CO., LTD. |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20180527 |