CN103303297B - Two-way check valve easy to adjust - Google Patents
Two-way check valve easy to adjust Download PDFInfo
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- CN103303297B CN103303297B CN201310199946.0A CN201310199946A CN103303297B CN 103303297 B CN103303297 B CN 103303297B CN 201310199946 A CN201310199946 A CN 201310199946A CN 103303297 B CN103303297 B CN 103303297B
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- valve body
- valve
- way check
- joint
- movable film
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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, the double-way check valve of simple, easy to use, the easy adjustment of a kind of structure specifically.
Background technology
Compressed air brake cylinder also claims wheel cylinder, its effect changes compressed-air actuated pressure into mechanical force that brake camshaft is rotated, realizes braking maneuver.Compressed air brake cylinder is clip clamping 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 substantially identical.When automobile brake, air enters compressed air brake cylinder from admission port, and under air pressure effect, make diaphragm produce distortion, promote push rod, and drive braking adjusting arm, rolling brake cam, presses to brake wheel by brake shoe lining and produce braking.When automobile brake off, the pressurized air in compressed air brake cylinder enters air through dual-chamber brake or rapid release valve, and diaphragm and push rod recover virgin state under pull back spring effect.
The compressed air brake cylinder of current automobile brake application, charge flow rate can not adjust, when drag uses, due to many reasons such as brake wheel, brake plate and lock torques, be difficult to ensure that many wheel braking forces are balanced, cause wear on tyres to increase the weight of, after brake off, compressed air brake cylinder gas is discharged slowly, wastes energy, contaminated environment.
Summary of the invention
Technical assignment of the present invention solves the deficiencies in the prior art, provides a kind of structure double-way check valve that is simple, that easily regulate.
Technical scheme of the present invention realizes in the following manner, a kind of double-way check valve of easy adjustment, comprise valve body, valve body built-in vent passage, metering pin valve is provided with on the upside of valve body, this metering pin valve comprises part and inserts in exhaust passage, part stretches out the flow control rod of valve body, to be arranged on outside valve body and with flow control rod with the use of jam nut, by middle shell or be directly connected with joint on the downside of valve body, this joint offers the admission port or air extractor duct that are communicated with exhaust passage, corresponding, the sidewall of valve body offers the air extractor duct or admission port that are communicated with exhaust passage, when described valve body is connected with joint by middle shell, the port group that this middle shell is built-in to be regulated by metering pin valve and movable film, when described valve body is directly connected with joint, is provided with metering pin valve between described valve body and joint and regulates and the adjustment sheet be used in conjunction with each other and movable film.In this technical scheme, metering pin valve can realize the control to gas flow, and during air inlet, gas, by flow control rod regulable control, realizes current limliting; Then complete fast when giving vent to anger and give vent to anger, whole regulating valve structure is small and exquisite, and flexible adjustment is easy to use.
As preferably, described movable film offers in central authorities can air extractor vent discoid of connection traffic adjust bar, and the outer of movable film is evenly provided with 2 ~ 5 pieces of banking stops.This structure just can ensure that movable film can coordinate metering pin valve opened whole exhaust passage or close, and when air inlet, flow control rod is placed in air extractor vent and realizes current limliting, and during exhaust, flow control rod then leaves air extractor vent, realizes Quick air-discharge.
As preferably, described port group be arranged on to offer on middle shell and in central authorities can the breather hole of connection traffic adjust bar, evenly offer the porose disc shape of deflation hole outside breather hole, this breather hole is mutually corresponding with above-mentioned air extractor vent; Described adjustment sheet offer in central authorities can the breather hole of connection traffic adjust bar, evenly offer the porose disc shape of deflation hole outside breather hole, this breather hole is mutually corresponding with above-mentioned air extractor vent.Intake and exhaust sky group in this technical scheme and adjustment sheet are all in porose disc shape, and during air inlet, the breather hole at center enters mode of operation, and during exhaust, all through holes all enter mode of operation, realize air inlet current limliting, exhaust fast speed object.
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 coordinates air extractor duct to use, and thus is so set as the most reasonably setting in the position of movable film and adjustment sheet.
As preferably, when joint sets out gas port, body wall offer admission port time, to contact with movable film on the downside of valve body and the even evagination in its contact site is provided with boss.When boss in this technical scheme can make exhaust, movable film cannot seal with becoming exhaust passage by boss shape between valve body, and exhaust can be completed fast.
As preferably, when joint is offered admission port, body wall set out gas port time, to contact with movable film inside joint and the even evagination in its contact site is provided with boss.Boss in this technical scheme can make compressed air brake cylinder when being vented, and movable film cannot seal with becoming exhaust passage by boss shape between joint, and exhaust can be completed fast.
In addition, structure of the present invention can also be following structure: a kind of double-way check valve of easy adjustment, comprise valve body, valve body built-in vent passage, metering pin valve is provided with on the upside of valve body, this metering pin valve comprises part and inserts in exhaust passage, part stretches out the flow control rod of valve body, to be arranged on outside valve body and with flow control rod with the use of jam nut, compressed air brake cylinder is connected with on the downside of valve body, the sidewall of described valve body offers the admission port being communicated with exhaust passage, corresponding, the junction of compressed air brake cylinder and valve body evenly offers port group, the movable film that metering pin valve regulates is provided with between the port group of described valve body and compressed air brake cylinder.
As preferably, described port group comprise corresponding with air extractor vent position and can the breather hole of connection traffic adjust bar, breather hole periphery compressed air brake cylinder wall on evenly offer deflation hole.
Further, the even evagination in position contacted with movable film on the downside of described valve body is provided with boss.
The beneficial effect that the present invention is compared with prior art produced is:
The double-way check valve of a kind of easy adjustment of the present invention has that structure is simple, easy to use, the feature such as be skillfully constructed, and the present invention both can adjust suction quantity, made many wheel braking forces balanced, after having braked, braking indoor gas can be made again to discharge fast, energy-conserving and environment-protective; Simultaneously owing to adopting said structure, charge flow rate is adjusted by flow control rod, braking effect is good, and 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.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the embodiment of the present invention 1.
Accompanying drawing 2 is structural representations of the embodiment of the present invention 2.
Accompanying drawing 3 is structural representations of the embodiment of the present invention 3.
Accompanying drawing 4 is valve inner projection section schematic diagrams in the embodiment of the present invention 1.
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 schematic diagrams inside embodiments of the invention 2 center tap.
Mark in 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, exhaust passage, 11, banking stop, 12, air extractor vent, 13, deflation hole, 14, breather hole, 15, compressed air brake cylinder, 16, middle shell.
Detailed description of the invention
Be described in detail below below in conjunction with the double-way check valve of accompanying drawing to a kind of easy adjustment of the present invention.
Embodiment one: as accompanying drawing 1, Fig. 4, Fig. 5, shown in Fig. 6, the double-way check valve of this kind of easy adjustment, comprise valve body 1, valve body 1 built-in vent path 10, metering pin valve is provided with on the upside of valve body 1, this metering pin valve comprises part and inserts in exhaust passage 10, part stretches out the flow control rod 2 of valve body 1, to be arranged on outside valve body 1 and with flow control rod 2 with the use of jam nut 3, joint 8 is connected with by middle shell 16 on the downside of valve body 1, this joint 8 offers the air extractor duct 7 being communicated with exhaust passage 10, corresponding, the sidewall of valve body 1 offers the admission port 9 being communicated with exhaust passage 10, the movable film 5 that metering pin valve regulates is provided with in middle shell 16 between described valve body 1 and joint 8, the even evagination in position contacted with movable film 5 on the downside of valve body 1 is provided with four boss 4.
Described middle shell 16 offers in central authorities can air extractor vent 12 discoid of connection traffic adjust bar 2, the outer of movable film 5 is evenly provided with 3 pieces or polylith banking stop 11, further, middle shell 16 inwall offers with banking stop 11 with the use of position-limited trough, so movable film 5 just can rule up-and-down movement and can not occurrence positions skew, ensure its sealing property.
Embodiment two: as accompanying drawing 2, Fig. 5, Fig. 6, shown in Fig. 7, the double-way check valve of this kind of easy adjustment, comprise valve body 1, valve body 1 built-in vent path 10, metering pin valve is provided with on the upside of valve body 1, this metering pin valve comprises part and inserts in exhaust passage 10, part stretches out the flow control rod 2 of valve body 1, to be arranged on outside valve body 1 and with flow control rod 2 with the use of jam nut 3, joint 8 is connected with on the downside of valve body 1, this joint 8 offers the admission port 9 being communicated with exhaust passage 10, corresponding, the sidewall of valve body 1 offers the air extractor duct 7 being communicated with exhaust passage 10, described valve body 1 is provided with metering pin valve with the junction of joint 8 and regulates and the movable film 5 be used in conjunction with each other and adjustment sheet 6, wherein movable film 5 is arranged on joint 8 upper end near admission port 9, adjustment sheet 6 is arranged on the downside of the valve body 1 of air extractor duct 7, the even evagination in position contacted with adjustment sheet 6 inside joint 8 is provided with four boss 4.
Described movable film 5 offers in central authorities can air extractor vent 12 discoid of connection traffic adjust bar 2, the outer of movable film 5 is evenly provided with 3 pieces of banking stops 11, further, valve body 1 inwall offers with banking stop 11 with the use of position-limited trough, so movable film 5 just can rule up-and-down movement and can not occurrence positions skew, ensure its sealing property.
Described adjustment sheet 6 offer in central authorities can the breather hole 14 of connection traffic adjust bar 2, evenly offer the porose disc shape of deflation hole 13 outside breather hole 14, this breather hole 14 is mutual corresponding with above-mentioned air extractor vent 12.
During work, by atmospheric pressure effect, pressurized air enters air cavity by admission port 9, and at this moment adjustment activity film 5 is sealed by adjustment sheet 6 and its air inlet is regulated and controled by flow control rod 2, and then completes braking; Movable flow control rod 2 during exhaust, can be passed through all perforates of adjustment sheet 6 when gas is discharged in air cavity, exhaust pathway increases, and braking is removed rapidly.
Embodiment 3, as accompanying drawing 3, Fig. 5, shown in Fig. 6, a kind of compressed air brake cylinder air inlet and exhaust valve of easy adjustment, comprise valve body 1, valve body 1 built-in vent path 10, metering pin valve is provided with on the upside of valve body 1, this metering pin valve comprises part and inserts in exhaust passage 10, part stretches out the flow control rod 2 of valve body 1, to be arranged on outside valve body 1 and with flow control rod 2 with the use of jam nut 3, compressed air brake cylinder 15 is connected with on the downside of valve body 1, the sidewall of described valve body 1 offers the admission port 9 being communicated with exhaust passage 10, corresponding, compressed air brake cylinder 15 evenly offers port group with the junction of valve body 1, the adjustment sheet 5 that metering pin valve regulates is provided with between described valve body 1 and the port group of compressed air brake cylinder 15.
Described port group comprise corresponding with air extractor vent 12 position and can the breather hole 14 of connection traffic adjust bar 2, breather hole 14 periphery compressed air brake cylinder 15 wall on evenly offer deflation hole 13.
The even evagination in position contacted with adjustment sheet 5 on the downside of described valve body 1 is provided with boss 4.
General, admission port 9 connects can the air-source of input compressed-air, during work, by atmospheric pressure effect, pressurized air enters compressed air brake cylinder 15 by admission port 9, and at this moment deflation hole 13 seals and its air inlet is regulated and controled by flow control rod 2 by movable film 5, and then completes braking; Movable flow control rod 2 during exhaust, can be passed through breather hole 14 when gas is discharged in air cavity and deflation hole 13 is discharged, and 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 change, in essential scope of the present invention, also can make a lot of change, remodeling, interpolation or replacement.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 (10)
1. the double-way check valve easily regulated, it is characterized in that: comprise valve body, valve body built-in vent passage, metering pin valve is provided with on the upside of valve body, this metering pin valve comprises part and inserts in exhaust passage, part stretches out the flow control rod of valve body, to be arranged on outside valve body and with flow control rod with the use of jam nut, by middle shell or be directly connected with joint on the downside of valve body, this joint offers the admission port or air extractor duct that are communicated with exhaust passage, corresponding, the sidewall of valve body offers the air extractor duct or admission port that are communicated with exhaust passage, when described valve body is connected with joint by middle shell, the port group that this middle shell is built-in to be regulated by metering pin valve and movable film, when described valve body is directly connected with joint, is provided with metering pin valve between described valve body and joint and regulates and the adjustment sheet be used in conjunction with each other and movable film.
2. the double-way check valve of a kind of easy adjustment according to claim 1, is characterized in that: described movable film offers in central authorities can air extractor vent discoid of connection traffic adjust bar, and the outer of movable film is evenly provided with 2 ~ 5 pieces of banking stops.
3. the double-way check valve of a kind of easy adjustment according to claim 2, it is characterized in that: described port group to be arranged on middle shell and offer in central authorities can the breather hole of connection traffic adjust bar, evenly offer the porose disc shape of deflation hole outside breather hole, this breather hole is mutually corresponding with above-mentioned air extractor vent; Described adjustment sheet offer in central authorities can the breather hole of connection traffic adjust bar, evenly offer the porose disc shape of deflation hole outside breather hole, this breather hole is mutually corresponding with above-mentioned air extractor vent.
4. according to the double-way check valve of described a kind of easy adjustment arbitrary in claims 1 to 3, it 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 adjustment according to claim 4, is characterized in that: when joint sets out gas port, body wall offer admission port time, to contact with movable film on the downside of valve body and the even evagination in its contact site is provided with boss.
6. the double-way check valve of a kind of easy adjustment according to claim 4, is characterized in that: when joint is offered admission port, body wall set out gas port time, to contact with movable film inside joint and the even evagination in its contact site is provided with boss.
7. the double-way check valve easily regulated, it is characterized in that: comprise valve body, valve body built-in vent passage, metering pin valve is provided with on the upside of valve body, this metering pin valve comprises part and inserts in exhaust passage, part stretches out the flow control rod of valve body, to be arranged on outside valve body and with flow control rod with the use of jam nut, compressed air brake cylinder is connected with on the downside of valve body, the sidewall of described valve body offers the admission port being communicated with exhaust passage, corresponding, the junction of compressed air brake cylinder and valve body evenly offers port group, the movable film that metering pin valve regulates is provided with between the port group of described valve body and compressed air brake cylinder.
8. the double-way check valve of a kind of easy adjustment according to claim 7, is characterized in that: described movable film offers in central authorities can air extractor vent discoid of connection traffic adjust bar, and the outer of movable film is evenly provided with 2 ~ 5 pieces of banking stops.
9. the double-way check valve of a kind of easy adjustment according to claim 8, is characterized in that: described port group comprise corresponding with air extractor vent position and can the breather hole of connection traffic adjust bar, breather hole periphery compressed air brake cylinder wall on evenly offer deflation hole.
10. the double-way check valve of a kind of easy adjustment according to claim 8, is characterized in that: the even evagination in position contacted with movable film on the downside of described valve body 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 CN103303297A (en) | 2013-09-18 |
| CN103303297B true CN103303297B (en) | 2015-05-20 |
Family
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) |
Families Citing this family (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 |
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| Publication number | Publication date |
|---|---|
| CN103303297A (en) | 2013-09-18 |
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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 for 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 |