CN201381901Y - Engine brake device - Google Patents
Engine brake device Download PDFInfo
- Publication number
- CN201381901Y CN201381901Y CN200920085068U CN200920085068U CN201381901Y CN 201381901 Y CN201381901 Y CN 201381901Y CN 200920085068 U CN200920085068 U CN 200920085068U CN 200920085068 U CN200920085068 U CN 200920085068U CN 201381901 Y CN201381901 Y CN 201381901Y
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- Prior art keywords
- valve
- cylinder
- air
- electromagnetic
- air valve
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The engine braking device comprises an air storage tank, an electromagnetic air valve, a manual air valve and an air cylinder, and is characterized in that a piston push rod of the air cylinder is connected with an engine oil supply valve, and a return spring is arranged on the piston push rod in the air cylinder; the cylinder is connected with the gas storage tank through a pipeline and a normally-open electromagnetic gas valve and a manual gas valve; the control end of the electromagnetic air valve is connected with an automobile electrical system; when the vehicle is powered off, the electromagnetic air valve is in an open state, and the air cylinder is directly communicated with the air storage tank through the electromagnetic air valve through a pipeline; when the vehicle is powered on, the air inlet (9) and the air outlet (10) of the electromagnetic air valve are disconnected, the connection between the air cylinder and the air storage tank is disconnected, the manual air valve is opened, the air cylinder is connected with the air storage tank through the electromagnetic air valve and the manual air valve through pipelines, the manual air valve is closed, and the connection between the air cylinder and the air storage tank is disconnected. The utility model discloses simple structure, low cost, control is convenient, and it stops to the engine fuel feeding through control engine fuel feeding valve, and then realizes the engine braking, and this kind of braking mode can make the engine fully absorb car inertia, has improved the power utilization of engine.
Description
Technical field
The utility model belongs to the motor car engine field, especially relates to a kind of engine braking apparatus.
Background technique
The motor complemental brake system of existing automobile is more, as No. 93231149.0 disclosed auto trailer brake application magnet valves of Chinese utility model patent, No. 93236735.6 disclosed diesel car braking interlock control valves of China's utility model patent, China's utility application 03233405.2 disclosed exhaust braking valve etc., the brake valve that these structures are different, according to function separately, cooperate some auxiliary devices, utilization realizes their auxiliary braking to automobile to the method that motor produces back pressure reduction engine speed, but their braking effect all is not very desirable, and can cause the loss of engine power, and complex structure, cost is higher.
The model utility content
The purpose of this utility model is in order to solve the deficiency that the above-mentioned background technology exists, a kind of engine braking apparatus simple in structure, lower-cost is provided, make it can make the motor oil-break flame-out moment, fundamentally reduce engine speed, and do not influence engine power.
For achieving the above object, the utility model adopts following technological scheme: engine braking apparatus, comprise gas holder, electromagnetic gas valve, hand air valve and cylinder, it is characterized in that the piston push rod of described cylinder links to each other with the engine oil valve, is equipped with Returnning spring on the piston push rod; Described cylinder links to each other with gas holder with hand air valve by the pipeline magnetism valve of often switching on; The control end of electromagnetic gas valve links to each other with automotive electrical system; When vehicle cut off the power supply, electromagnetic gas valve was in opening state, and cylinder is by pipeline direct and gas holder connection through electromagnetic gas valve; When vehicle was switched on, electromagnetic gas valve suction port 9 disconnected with air outlet 10, was connected disconnection between cylinder and the gas holder, open hand air valve, cylinder is connected through electromagnetic gas valve, hand air valve and gas holder by pipeline, closes hand air valve, is connected disconnection between cylinder and the gas holder.
In such scheme, described electromagnetic gas valve is preferably the two-bit triplet electromagnetic gas valve, and described hand air valve is the two-bit triplet hand air valve; The intake interface 5 of two-bit triplet hand air valve links to each other with gas holder, and intake interface 6 leads to atmosphere, and the interface 7 of giving vent to anger links to each other with the intake interface 8 of two-bit triplet electromagnetic gas valve; The intake interface 9 of two-bit triplet electromagnetic gas valve links to each other with gas holder, and the interface 10 of giving vent to anger links to each other with cylinder; When pipeline between gas holder and the cylinder is connected, the engine oil valve closing; When pipeline between gas holder and the cylinder disconnects, the engine oil valve open.
The utility model working principle is as follows: when needing to open engine braking in the vehicle traveling process, electromagnetic gas valve is in closed condition, connecting passage between electromagnetic gas valve and the gas holder disconnects, and the driver can open the hand air valve switch, makes hand air valve be in opening state, at this moment, gas holder to the cylinder air feed, promotes the cylinder piston motion by hand air valve and electromagnetic gas valve, and oil-supply valve kills engine, stop engine oil being made engine misses.This mode of braking can more fully absorb the inertia of automobile, reaches the purpose of braking; When need not to brake, the driver can close the hand air valve switch, makes hand air valve be in closed state, this moment, cylinder interior air-flow row was to atmosphere, and under the effect of cylinder Returnning spring, cylinder piston resets, engine oil valve open, motor utilize automobile inertial moment startup.
The utility model is simple in structure, and is with low cost, and control is convenient, it stops to be engine oil by control engine oil valve, and then realizes engine braking, this mode of braking can make motor fully absorb automobile inertial, has improved the power utilization of motor.The utility model is applicable to the automobile of all size, model, has stronger practicability.
Content of the present utility model is done further explanation with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is an example structure schematic representation described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the utility model is described further.The described engine braking apparatus of present embodiment mainly comprises two-bit triplet electromagnetic gas valve 1, two-bit triplet hand air valve 13, cylinder 2 and gas holder 4.The intake interface 5 of two-bit triplet hand air valve 13 links to each other with gas holder 4, and intake interface 6 leads to atmosphere, and the interface 7 of giving vent to anger links to each other with the intake interface 8 of two-bit triplet electromagnetic gas valve 1; The intake interface 9 of two-bit triplet electromagnetic gas valve 1 directly links to each other with gas holder 4, and the interface 10 of giving vent to anger links to each other with cylinder 2; The piston push rod 11 of described cylinder 2 links to each other with engine oil valve 3, and Returnning spring 12 is housed on piston push rod 11; The control end of two-bit triplet electromagnetic gas valve 1 links to each other with automotive electrical system; When pipeline between gas holder and the cylinder was connected, engine oil valve 3 was closed; When pipeline between gas holder and the cylinder disconnected, Returnning spring 12 forced engine oil valve 3 to be opened.
When automobile is not switched on, two-bit triplet electromagnetic gas valve 1 is in the normally open position, the intake interface 9 of two-bit triplet electromagnetic gas valve 1 directly links to each other with gas holder 4, intake interface 8 disconnects the interface 7 of giving vent to anger of two-bit triplet hand air valve 13, the air communication that gas holder 4 is supplied with is crossed two-bit triplet electromagnetic gas valve 1 and is flowed into cylinder 2 inner chambers, promote 11 motions of steam-cylinder piston push rod, engine oil valve 3 is in closed condition;
After the vehicle energising, two-bit triplet electromagnetic gas valve 1 obtains the triggering of automotive electrical system electric current, two-bit triplet electromagnetic gas valve 1 is in closed condition, the intake interface 9 of two-bit triplet electromagnetic gas valve 1 disconnects with gas holder 4, the intake interface 8 of two-bit triplet electromagnetic gas valve 1 is connected the interface 7 of two-bit triplet hand air valve 13 with cylinder 2, and two-bit triplet hand air valve 13 is in closed state at this moment, the intake interface 6 that promptly leads to atmosphere is connected with the interface 7 of giving vent to anger, gas in the cylinder 2 leads to atmosphere through the intake interface 6 of two-bit triplet hand air valve 13, this moment, cylinder piston push rod 11 resetted under the effect of Returnning spring 12, drive engine oil valve 3 and be in open position, to engine oil, vehicle can normally start and travel;
When needing to open engine braking in the vehicle driving process, the driver can open the switch of two-bit triplet hand air valve 13, make two-bit triplet hand air valve 13 be in opening state, the intake interface 5 that promptly links to each other with gas holder 4 is connected with the interface 7 of giving vent to anger, gas holder 4 gas supplied are by the intake interface 5 of two-bit triplet hand air valve 13, and by interface 7 outflows of giving vent to anger, enter cylinder 2 inner chambers through two-bit triplet electromagnetic gas valve 1, promote 11 motions of cylinder piston push rod, oil-supply valve 3 kills engine, stop to engine oil, make motor fully absorb automobile inertial, reach the purpose of effective auxiliary braking;
When vehicle need not to brake, the driver can close the switch of hand air valve 13, make two-bit triplet hand air valve 13 be in closed state, be the intake interface 6 and interface 7 connections of giving vent to anger that two-bit triplet hand air valve 13 leads to atmosphere, this moment, the cylinder interior air-flow was discharged through electromagnetic gas valve and hand control valve, and under the effect of cylinder Returnning spring 12, cylinder piston push rod 11 resets, engine oil valve 3 reopens, and motor utilizes automobile inertial moment startup.
Claims (2)
1, engine braking apparatus comprises gas holder, electromagnetic gas valve, hand air valve and cylinder, it is characterized in that the piston push rod of described cylinder links to each other with the engine oil valve, is equipped with Returnning spring on the piston push rod; Described cylinder links to each other with gas holder with hand air valve by the pipeline magnetism valve of often switching on; The control end of electromagnetic gas valve links to each other with automotive electrical system; When vehicle cut off the power supply, electromagnetic gas valve was in opening state, and cylinder is by pipeline direct and gas holder connection through electromagnetic gas valve; When vehicle was switched on, electromagnetic gas valve suction port (9) and air outlet (10) disconnected, and were connected disconnection between cylinder and the gas holder, open hand air valve, cylinder is connected through electromagnetic gas valve, hand air valve and gas holder by pipeline, closes hand air valve, is connected disconnection between cylinder and the gas holder.
2, engine braking apparatus according to claim 1 is characterized in that described electromagnetic gas valve is the two-bit triplet electromagnetic gas valve, and described hand air valve is the two-bit triplet hand air valve; The intake interface of two-bit triplet hand air valve (5) links to each other with gas holder, and intake interface (6) leads to atmosphere, and the interface of giving vent to anger (7) links to each other with the intake interface (8) of two-bit triplet electromagnetic gas valve; The intake interface of two-bit triplet electromagnetic gas valve (9) links to each other with gas holder, and the interface of giving vent to anger (10) links to each other with cylinder; When pipeline between gas holder and the cylinder is connected, the engine oil valve closing; When pipeline between gas holder and the cylinder disconnects, the engine oil valve open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920085068U CN201381901Y (en) | 2009-04-17 | 2009-04-17 | Engine brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920085068U CN201381901Y (en) | 2009-04-17 | 2009-04-17 | Engine brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381901Y true CN201381901Y (en) | 2010-01-13 |
Family
ID=41525378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920085068U Expired - Lifetime CN201381901Y (en) | 2009-04-17 | 2009-04-17 | Engine brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201381901Y (en) |
-
2009
- 2009-04-17 CN CN200920085068U patent/CN201381901Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130926 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100113 |
|
| CX01 | Expiry of patent term |