CN203962077U - A kind of changeable air valve for auxiliary braking - Google Patents
A kind of changeable air valve for auxiliary braking Download PDFInfo
- Publication number
- CN203962077U CN203962077U CN201420424064.XU CN201420424064U CN203962077U CN 203962077 U CN203962077 U CN 203962077U CN 201420424064 U CN201420424064 U CN 201420424064U CN 203962077 U CN203962077 U CN 203962077U
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- push rod
- control
- auxiliary braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007769 metal material Substances 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002828 fuel tank Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The utility model discloses a kind of changeable air valve for auxiliary braking, comprise camshaft, valve, valve rocker, push rod assembly, fluid power control assembly, hydraulic tappet and hydraulic connecting pipeline, described fluid power control assembly comprises two-position three way hydrovalve, accumulator, fuel tank.Magnetic switch and relief valve.Described hydraulic tappet is provided with oil inlet passage, drainback passage and piston.Described push rod assembly drives pushrod movement to control hydraulic tappet to realize the control of valve lift by being arranged on camshaft in cylinder head.The feature of this device is: reasonable in design, simple in structure, can continuous control for the timing of valve and lift, and improve the Security of driving and also discharging pollutants of motor reasonably controlled simultaneously.
Description
Technical Field
The utility model belongs to the technical field of vehicle engineering engine, a variable valve of electricity liquid control is related to.
Background
With the development of economy, the transportation industry develops rapidly; most transport vehicles are large diesel engine vehicles, and large braking force is needed due to the fact that the mass of cargos is large in the transportation process of the vehicles; drum brakes assembled on large vehicles are easy to generate heat to cause the reduction of braking performance, a driver can use the engine brake to assist the braking, and the power of the engine brake is limited, so an auxiliary braking device is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remedy foretell not enough, provide a because the variable valve of auxiliary brake.
The above technical problem of the present invention can be solved by the following technical solutions:
a variable valve for auxiliary braking, characterized in that: the hydraulic control device comprises a camshaft (6), a valve (1), a valve rocker (2), a push rod assembly (3), a hydraulic control assembly (4), a hydraulic tappet (5) and a hydraulic connecting pipeline, wherein the hydraulic control assembly comprises a two-position three-way hydraulic valve (7), an energy accumulator and an oil tank. An electromagnetic switch (8) and an overflow valve. The hydraulic tappet is provided with an oil inlet channel, an oil return channel and a piston. The push rod assembly drives the push rod to move through a cam shaft arranged on the cylinder cover to control the hydraulic tappet to realize control of the valve lift.
Preferably, the hydraulic tappet (5) is connected with the hydraulic control assembly (4) to control the position of a piston in the hydraulic tappet so as to realize the lift of the valve.
Preferably, the joint of the hydraulic connecting pipeline is made of metal materials, and the pipeline is made of flexible pipes.
Preferably, the hydraulic control assembly (4) controls the oil pressure of the system through an electromagnetic switch.
As a preferable technical scheme, one end of the push rod assembly (3) is connected with the camshaft, a hydraulic tappet is arranged in the middle of the push rod assembly, and the other end of the push rod assembly is connected with the valve rocker.
The utility model discloses a variable valve for auxiliary brake, its advantage: reasonable in design, simple structure can continuous control to the timing and the lift of valve, has improved the security of driving and has also carried out reasonable control to the pollutant discharge of engine simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a variable valve for auxiliary braking according to the present invention;
FIG. 2 is a valve structure diagram for auxiliary braking according to the present invention;
wherein,
1. an air valve; 2. a valve rocker arm; 3. a push rod assembly; 4. a hydraulic control assembly; 5. a hydraulic tappet; 6. a camshaft; 7. a two-position three-way valve; 8. an electromagnetic switch.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
The utility model provides a variable valve for auxiliary brake.
As shown in fig. 1 to 2, the inner bore turning tool cooling device comprises a camshaft (6), a valve (1), a valve rocker (2), a push rod assembly (3), a hydraulic control assembly (4), a hydraulic tappet (5) and a hydraulic connecting pipeline, wherein the hydraulic control assembly comprises a two-position three-way hydraulic valve (7), an energy accumulator and an oil tank. An electromagnetic switch (8) and an overflow valve. The hydraulic tappet is provided with an oil inlet channel, an oil return channel and a piston. The push rod assembly drives the push rod to move through a cam shaft arranged on the cylinder cover to control the hydraulic tappet to realize control of the valve lift.
Preferably, the hydraulic tappet (5) is connected with the hydraulic control assembly (4) to control the position of a piston in the hydraulic tappet so as to realize the lift of the valve.
Preferably, the joint of the hydraulic connecting pipeline is made of metal materials, and the pipeline is made of flexible pipes.
Preferably, the hydraulic control assembly (4) controls the oil pressure of the system through an electromagnetic switch.
As a preferable technical scheme, one end of the push rod assembly (3) is connected with the camshaft, a hydraulic tappet is arranged in the middle of the push rod assembly, and the other end of the push rod assembly is connected with the valve rocker.
The design idea of the present invention is described above with only one embodiment, and the present invention can be expanded to connect more function modules externally at the same time when the system allows, thereby expanding the functions thereof to the maximum.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. A variable valve for auxiliary braking, characterized in that: the hydraulic control system comprises a camshaft (6), a valve (1), a valve rocker (2), a push rod assembly (3), a hydraulic control assembly (4), a hydraulic tappet (5) and a hydraulic connecting pipeline, wherein the hydraulic control assembly comprises a two-position three-way hydraulic valve (7), an energy accumulator and an oil tank; an electromagnetic switch (8) and an overflow valve; the hydraulic tappet is provided with an oil inlet channel, an oil return channel and a piston; the push rod assembly drives the push rod to move through a cam shaft arranged on the cylinder cover to control the hydraulic tappet to realize control of the valve lift.
2. The variable valve for auxiliary braking according to claim 1, characterized in that: the hydraulic tappet (5) is connected with the hydraulic control assembly (4) to control the position of a piston in the hydraulic tappet so as to realize the lift of the valve.
3. The variable valve for auxiliary braking according to claim 1, characterized in that: the joint of the hydraulic connecting pipeline is made of metal materials, and the pipeline is made of flexible pipes.
4. The variable valve for auxiliary braking according to claim 1, characterized in that: the hydraulic control assembly (4) controls the oil pressure of the system through an electromagnetic switch.
5. The variable valve for auxiliary braking according to claim 1, characterized in that: one end of the push rod assembly (3) is connected with the camshaft, the middle of the push rod assembly is provided with a hydraulic tappet, and the other end of the push rod assembly is connected with the valve rocker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424064.XU CN203962077U (en) | 2014-07-30 | 2014-07-30 | A kind of changeable air valve for auxiliary braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424064.XU CN203962077U (en) | 2014-07-30 | 2014-07-30 | A kind of changeable air valve for auxiliary braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962077U true CN203962077U (en) | 2014-11-26 |
Family
ID=51922676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420424064.XU Expired - Fee Related CN203962077U (en) | 2014-07-30 | 2014-07-30 | A kind of changeable air valve for auxiliary braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019966A (en) * | 2015-08-03 | 2015-11-04 | 浙江师范大学 | High-power engine brake device and method |
| CN105464738A (en) * | 2015-12-30 | 2016-04-06 | 广西玉柴机器股份有限公司 | Oil inlet pipe assembly of engine in-cylinder brake |
| CN108487961A (en) * | 2018-03-27 | 2018-09-04 | 安徽江淮汽车集团股份有限公司 | A kind of variable air valve lift range mechanism |
| GB2617166A (en) * | 2022-03-31 | 2023-10-04 | Cummins Inc | Systems and methods for lash adjustment and cylinder deactivation for internal combustion engines |
-
2014
- 2014-07-30 CN CN201420424064.XU patent/CN203962077U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019966A (en) * | 2015-08-03 | 2015-11-04 | 浙江师范大学 | High-power engine brake device and method |
| CN105464738A (en) * | 2015-12-30 | 2016-04-06 | 广西玉柴机器股份有限公司 | Oil inlet pipe assembly of engine in-cylinder brake |
| CN108487961A (en) * | 2018-03-27 | 2018-09-04 | 安徽江淮汽车集团股份有限公司 | A kind of variable air valve lift range mechanism |
| GB2617166A (en) * | 2022-03-31 | 2023-10-04 | Cummins Inc | Systems and methods for lash adjustment and cylinder deactivation for internal combustion engines |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203962077U (en) | A kind of changeable air valve for auxiliary braking | |
| CN101571075B (en) | General multi-operating mode energy-saving system | |
| CN104442414A (en) | Brake energy recycling control method | |
| CN101586525B (en) | Hydraulic central control device for wind power generating set | |
| CN105065507A (en) | Belt brake of air cylinder | |
| CN107906060A (en) | Vehicle parallel type hydraulic hybrid power system and its method with energy regenerating release function | |
| Lu et al. | An evaluation of a 2/4-stroke switchable secondary expansion internal combustion engine | |
| CN202291180U (en) | Water pressure quick forging machine set | |
| CN202628286U (en) | Air inlet valve control mechanism of closing cylinder in multi-cylinder engine cylinder-stopping oil-saving system | |
| CN201786780U (en) | Control oil source system of hydraulic hybrid power energy converting unit | |
| CN102748141A (en) | Inlet valve control mechanism of shifter cylinder in multi-cylinder engine cylinder deactivation oil saving system | |
| CN102787878B (en) | Hydraulic drive engine air distributing mechanism | |
| CN104002673B (en) | Electric train Brake energy recovery hydraulic energy-saving emission reduction device | |
| CN203626910U (en) | Exhaust brake linking mechanism for engine | |
| CN104454158A (en) | Variable-stroke pneumatic internal combustion hybrid power engine and running method thereof | |
| CN104454071B (en) | A kind of engine decompression retarder | |
| CN204978626U (en) | Quick -witted auxiliary braking system is repaiied all to brill | |
| CN203285615U (en) | Integrated radial piston motor | |
| CN211009331U (en) | Sanitation car multi-oil-cylinder sequential control system | |
| CN202560378U (en) | Electronic-control flameout device | |
| CN204729134U (en) | The complete variable intake and exhaust mechanism of compressed air engine | |
| CN204900604U (en) | Cylinder band brake | |
| CN204488470U (en) | Hydraulic hybrid energy conserving system on a kind of loader | |
| CN212775049U (en) | Overflow valve device of automobile slow-lowering pneumatic control reversing valve | |
| CN204283607U (en) | Air assisted motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150730 |
|
| EXPY | Termination of patent right or utility model |