CN211287927U - Shell of vacuum mechanical exhaust gas recirculation valve - Google Patents
Shell of vacuum mechanical exhaust gas recirculation valve Download PDFInfo
- Publication number
- CN211287927U CN211287927U CN201922204220.7U CN201922204220U CN211287927U CN 211287927 U CN211287927 U CN 211287927U CN 201922204220 U CN201922204220 U CN 201922204220U CN 211287927 U CN211287927 U CN 211287927U
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- China
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- fixing part
- exhaust gas
- connecting lug
- gas recirculation
- positioning step
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Abstract
The utility model relates to a shell of vacuum machine exhaust gas recirculation valve, including lid and valve casing, characterized by: be equipped with first connection lug on the valve casing, be equipped with the second on the lid and connect the lug, connect through dismantling fixing device between first connection lug and the second connection lug, the utility model provides a shell of vacuum machinery exhaust gas recirculation valve has sealed effectual advantage.
Description
Technical Field
The utility model relates to an auto-parts technical field, concretely relates to shell of vacuum machine exhaust gas recirculation valve.
Background
Currently, Exhaust Gas Recirculation (EGR) systems are commonly utilized to reduce harmful emissions from engines. Engine systems without exhaust gas recirculation may have difficulty meeting EU4 emission standards, while engine systems with exhaust gas recirculation may meet EU5 emission standards. In an exhaust gas recirculation system, an exhaust gas recirculation valve (namely, an EGR valve) is usually arranged, the basic principle of the EGR valve is to guide exhaust gas of an engine to an air inlet end, and the exhaust gas is mixed with fresh air and then enters a combustion chamber, so that the state during combustion is changed to reduce the generation of nitrogen oxides, the existing exhaust gas recirculation valve has different types such as electric control and machinery, the requirement on the vacuum mechanical exhaust gas recirculation valve is that the sealing is good, the existing sealing effect is not good, and the disassembly and the maintenance are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the not enough to above-mentioned prior art is located, the utility model provides a shell of vacuum machine exhaust gas recirculation valve has sealed effectual advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a shell of vacuum machine exhaust gas recirculation valve, includes lid and valve casing, characterized by: the valve shell is provided with a first connecting lug, the cover body is provided with a second connecting lug, the first connecting lug and the second connecting lug are connected through a detachable fixing device, the detachable fixing device comprises a supporting arm, a first fixing part and a second fixing part, the first fixing part and the second fixing part are vertically arranged at two ends of the supporting arm, the first connecting lug is fixedly connected with the first fixing part through a first connecting piece, the second connecting lug is fixedly connected with the second fixing part through a second connecting piece, the first connecting lug is provided with a first mounting hole for mounting a first connecting piece, a first positioning step is arranged inside the first mounting hole close to the end connected with the first fixing part, the first positioning step is provided with a first elastic part, and two ends of the first elastic part are respectively abutted against the first positioning step and the first fixing part.
Adopt above-mentioned technical scheme: the arrangement of the first elastic piece can play a role in buffering, the sealing effect is improved, the structure is simple, and the design is reasonable.
The utility model discloses further setting is: the second connecting lug is provided with a second mounting hole for mounting a second connecting piece, a second positioning step is arranged in the second mounting hole close to the end connected with the second fixing part, a second elastic piece is arranged on the second positioning step, and two ends of the second elastic piece are respectively abutted against the second positioning step and the second fixing part.
Adopt above-mentioned technical scheme: the second elastic piece can play a role in buffering, the sealing effect is improved, the structure is simple, and the design is reasonable
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention;
fig. 2 is an explosion structure diagram of the embodiment of the present invention.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
The housing of a vacuum mechanical exhaust gas recirculation valve as shown in fig. 1-2 comprises a cover body 1 and a valve housing 2, a sealing element 3 is arranged between the valve housing 2 and the cover body 1, a first annular groove 21 is arranged on the valve housing 2, a second annular groove 31 is arranged on the sealing element 3, the second annular groove 31 comprises a first side wall 32 and a second side wall 33, the first side wall 32 is located at the outermost side in the radial direction, the first side wall 32 is arranged in the first annular groove 21, the axial height of the first side wall 32 is higher than that of the first annular groove 21, the cover body 1 is arranged outside the first side wall 32 and is abutted against the valve housing 2, an annular protrusion 34 is arranged on the other end face of the sealing element 3 opposite to one end face of the second annular groove 31, a first connecting lug 22 is arranged on the valve housing 2, a second connecting lug 11 is arranged on the cover body 1, the first connecting lug 22 and the second connecting lug 11, the detachable fixing device comprises a supporting arm 4, a first fixing part 5 and a second fixing part 6, the first fixing part 5 and the second fixing part 6 are vertically arranged at two ends of the supporting arm 4, a first connecting lug 22 is fixedly connected with the first fixing part 5 through a first connecting piece 7, a second connecting lug 11 is fixedly connected with the second fixing part 6 through a second connecting piece 8, a first mounting hole 221 for mounting the first connecting piece 7 is arranged on the first connecting lug 22, a first positioning step 2211 is arranged in the first mounting hole 221 close to the end connected with the first fixing part 5, a first elastic piece 9 is arranged on the first positioning 2211, two ends of the first elastic piece 9 are respectively abutted against the first positioning step 2211 and the first fixing part 5, a second mounting hole 111 for mounting the second connecting piece 8 is arranged on the second connecting lug 11, a second positioning step 1111 is arranged in the second mounting hole 111 close to the end connected with the second fixing part 6, the second positioning step 1111 is provided with a second elastic member 10, and two ends of the second elastic member 10 respectively contact with the second positioning step 1111 and the second fixing portion 6.
Claims (2)
1. The utility model provides a shell of vacuum machine exhaust gas recirculation valve, includes lid and valve casing, characterized by: the valve shell is provided with a first connecting lug, the cover body is provided with a second connecting lug, the first connecting lug and the second connecting lug are connected through a detachable fixing device, the detachable fixing device comprises a supporting arm, a first fixing part and a second fixing part, the first fixing part and the second fixing part are vertically arranged at two ends of the supporting arm, the first connecting lug is fixedly connected with the first fixing part through a first connecting piece, the second connecting lug is fixedly connected with the second fixing part through a second connecting piece, the first connecting lug is provided with a first mounting hole for mounting a first connecting piece, a first positioning step is arranged inside the first mounting hole close to the end connected with the first fixing part, the first positioning step is provided with a first elastic part, and two ends of the first elastic part are respectively abutted against the first positioning step and the first fixing part.
2. A housing for a vacuum mechanical exhaust gas recirculation valve according to claim 1, wherein: the second connecting lug is provided with a second mounting hole for mounting a second connecting piece, a second positioning step is arranged in the second mounting hole close to the end connected with the second fixing part, a second elastic piece is arranged on the second positioning step, and two ends of the second elastic piece are respectively abutted against the second positioning step and the second fixing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204220.7U CN211287927U (en) | 2019-12-10 | 2019-12-10 | Shell of vacuum mechanical exhaust gas recirculation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204220.7U CN211287927U (en) | 2019-12-10 | 2019-12-10 | Shell of vacuum mechanical exhaust gas recirculation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211287927U true CN211287927U (en) | 2020-08-18 |
Family
ID=72015539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204220.7U Active CN211287927U (en) | 2019-12-10 | 2019-12-10 | Shell of vacuum mechanical exhaust gas recirculation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211287927U (en) |
-
2019
- 2019-12-10 CN CN201922204220.7U patent/CN211287927U/en active Active
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