CN213809345U - Sealing structure of EGR valve - Google Patents
Sealing structure of EGR valve Download PDFInfo
- Publication number
- CN213809345U CN213809345U CN202022535368.1U CN202022535368U CN213809345U CN 213809345 U CN213809345 U CN 213809345U CN 202022535368 U CN202022535368 U CN 202022535368U CN 213809345 U CN213809345 U CN 213809345U
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- China
- Prior art keywords
- valve body
- pipeline
- tip
- sealing
- egr valve
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- 239000007769 metal material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a seal structure of EGR valve belongs to the EGR valve field, which comprises a valve body, the equal sliding connection in both ends of valve body has the pipeline, the equal fixed mounting in the inside side in both ends of valve body has the sealing ring, the side contact of sealing ring is connected in the tip side of pipeline, the both ends of valve body and the equal crisscross fixed mounting of tip of pipeline have sealed piece, sealed piece difference sliding connection is in the inside of the seal groove that valve body both ends and pipeline tip seted up, the both ends side fixed mounting of valve body has the go-between, the side contact of go-between is connected in the side of pipeline tip fixed mounting's fixed plate, the standing groove has evenly been seted up to the side of go-between, the through-hole has been seted up to the tip of standing groove, the inside sliding connection of through-hole has the bolt. This EGR valve's seal structure can carry out double sealing to the junction between valve body and the pipeline through sealing ring and sealed piece, avoids taking place to reveal, improves sealed effect.
Description
Technical Field
The utility model relates to a EGR valve field, more specifically say, relate to a seal structure of EGR valve.
Background
The EGR valve is an integrated electromechanical product mounted on a gasoline engine for controlling the amount of exhaust gas recirculation fed back to an intake system.
Conventional EGR valves typically only seal with a single sealing ring. The sealing structure is simple, leakage is easy to occur, the sealing effect is poor, the traditional EGR valve is connected in the process, the bolt for connection is easy to loosen and fall off when being vibrated, the valve is caused to fall off, and the installation effect is poor.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a seal structure of EGR valve can carry out double sealing to the junction between valve body and the pipeline through sealing ring and sealed piece, avoids taking place to reveal, improves sealed effect, under resilient gasket's effect, can avoid the bolt to take off in the connection process pine, improves the installation effect.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a seal structure of EGR valve, includes the valve body, the equal sliding connection in both ends of valve body has the pipeline, the equal fixed mounting in the inside side in both ends of valve body has the sealing ring, the side contact of sealing ring is connected in the tip side of pipeline, the both ends of valve body and the equal crisscross fixed mounting of tip of pipeline have sealed piece, sealed piece difference sliding connection is in the inside of the seal groove that valve body both ends and pipeline tip were seted up, can carry out double sealing to the junction between valve body and the pipeline through sealing ring and sealed piece, avoids taking place to reveal, improves sealed effect, under elastic gasket's effect, can avoid the bolt to take off in the pine of connecting process, improves the installation effect.
Furthermore, the sealing ring is made of sealing rubber materials, and can be used for initially sealing the connecting part of the valve body and the pipeline, so that leakage is avoided.
Further, both ends side fixed mounting of valve body has the go-between, the side contact of go-between is connected in the side of pipeline tip fixed mounting's fixed plate, the standing groove has evenly been seted up to the side of go-between, can accomodate the bolt through the standing groove to it is fixed to avoid influencing.
Furthermore, the through-hole has been seted up to the tip of standing groove, the inside sliding connection of through-hole has the bolt, the tip screw thread of bolt connects soon in the inside of the screw thread recess that the fixed plate side was seted up, through the cooperation of bolt and screw thread recess, can be in the same place valve body and pipeline are fixed, and is fixed comparatively stable.
Further, the equal fixed mounting in both sides that the tip of standing groove is located the through-hole has an elastic gasket, elastic gasket's side contact is connected in the tip side of bolt, and elastic gasket makes for elasticity U-shaped metal material, avoids the bolt pine to take off in connection process, improves fixed effect.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can carry out double sealing to the junction between valve body and the pipeline through sealing ring and sealed piece, avoids taking place to reveal, improves sealed effect, under resilient gasket's effect, can avoid the bolt pine to take off in the connection, improves the installation effect.
(2) The sealing ring is made of sealing rubber materials, and can be used for initially sealing the connecting part of the valve body and the pipeline, so that leakage is avoided.
(3) The both ends side fixed mounting of valve body has the go-between, and the side contact of go-between is connected in the side of pipeline tip fixed mounting's fixed plate, and the standing groove has evenly been seted up to the side of go-between, can accomodate the bolt through the standing groove to it is fixed to avoid influencing.
(4) The through-hole has been seted up to the tip of standing groove, and the inside sliding connection of through-hole has the bolt, and the tip screw thread of bolt connects soon in the inside of the screw thread recess that the fixed plate side was seted up, through the cooperation of bolt and screw thread recess, can be in the same place valve body and pipeline are fixed, and is fixed comparatively stable.
(5) The equal fixed mounting in both sides that the tip of standing groove is located the through-hole has elastic gasket, and elastic gasket's side contact is connected in the tip side of bolt, and elastic gasket makes for elasticity U-shaped metal material, avoids the bolt pine to take off in the connection process, improves fixed effect.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is a side view of the valve body of the present invention;
fig. 3 is an enlarged view of the position a of the present invention.
The reference numbers in the figures illustrate:
the sealing device comprises a valve body 1, a pipeline 2, a sealing ring 3, a sealing block 4, a sealing groove 5, a connecting ring 6, a fixing plate 7, a placing groove 8, a through hole 9, a bolt 10, a thread groove 11 and an elastic gasket 12.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, a sealing structure of an EGR valve includes a valve body 1, referring to fig. 1, 2 and 3, both ends of the valve body 1 are slidably connected with a pipe 2, both inner sides of both ends of the valve body 1 are fixedly installed with a sealing ring 3, a side surface of the sealing ring 3 is in contact connection with a side surface of an end portion of the pipe 2, the sealing ring 3 is made of a sealing rubber material, and can primarily seal a connection portion of the valve body 1 and the pipe 2 to prevent leakage, both ends of the valve body 1 and an end portion of the pipe 2 are fixedly installed with a sealing block 4 in a staggered manner, the sealing blocks 4 are respectively slidably connected with the inner portions of sealing grooves 5 formed at both ends of the valve body 1 and an end portion of the pipe 2, through cooperation between the sealing blocks 4 and the sealing grooves 5, secondary sealing can be performed on the connection portion of the valve body 1 and the pipe 2, further improving the sealing effect, both end sides of the valve body 1 are fixedly installed with a connecting ring 6, the side contact of go-between 6 is connected in the side of 2 tip fixed mounting's of pipeline fixed mounting's fixed plate 7, standing groove 8 has evenly been seted up to the side of go-between 6, bolt 10 can be accomodate through standing groove 8, in order to avoid influencing fixedly, through-hole 9 has been seted up to the tip of standing groove 8, the inside sliding connection of through-hole 9 has bolt 10, the tip screw thread of bolt 10 connects soon in the inside of the thread groove 11 that the fixed plate 7 side was seted up, cooperation through bolt 10 and thread groove 11, can be in the same place valve body 1 and pipeline 2 are fixed, it is fixed comparatively stable, the equal fixed mounting in both sides that the tip of standing groove 8 is located the through-hole has elastic gasket 12, elastic gasket 12's side contact is connected in the tip side of bolt 10, elastic gasket 12 is made for elasticity U-shaped metal material, avoid bolt 10 to loosen in the connection process and take off, fixed effect is improved.
When the sealing device is installed, the end part of the pipeline 2 is contacted with the end part of the valve body 1, so that the side surface of the sealing ring 3 is contacted with the side surface of the end part of the pipeline 2, the connection part of the valve body 1 and the pipeline 2 can be primarily sealed, meanwhile, the sealing block 4 is moved into the sealing groove 5, the connection part of the valve body 1 and the pipeline 2 can be secondarily sealed, the sealing property is further improved, the leakage is avoided, the sealing effect is improved, when the end part of the valve body 1 is contacted with the end part of the pipeline 2, the position of the pipeline 2 is adjusted, so that the through hole 9 is aligned with the thread groove 11, then the bolt 10 is inserted into the through hole 9, the screw and the bolt 10 are rotated, so that the end part of the bolt 10 is moved into the thread groove 11, when the end part side surface of the bolt 10 tightly extrudes the elastic gasket 12, the installation can be completed, under the elastic action of the elastic gasket 12, the bolt 10 can be prevented from being loosened in the connection process, the installation effect is improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. A sealing structure of an EGR valve comprises a valve body (1), and is characterized in that: the equal sliding connection in both ends of valve body (1) has pipeline (2), the equal fixed mounting in both ends inside side of valve body (1) has sealing ring (3), the side contact of sealing ring (3) is connected in the tip side of pipeline (2), the both ends of valve body (1) and the tip of pipeline (2) all crisscross fixed mounting have sealed piece (4), inside in seal groove (5) that valve body (1) both ends and pipeline (2) tip were seted up is sliding connection respectively in sealed piece (4).
2. A sealing structure of an EGR valve according to claim 1, characterized in that: the sealing ring (3) is made of sealing rubber materials.
3. A sealing structure of an EGR valve according to claim 1, characterized in that: the side surfaces of two ends of the valve body (1) are fixedly provided with connecting rings (6), the side surfaces of the connecting rings (6) are in contact connection with the side surfaces of fixed plates (7) fixedly arranged at the end parts of the pipelines (2), and the side surfaces of the connecting rings (6) are uniformly provided with placing grooves (8).
4. A sealing structure of an EGR valve according to claim 3, characterized in that: the end part of the placing groove (8) is provided with a through hole (9), a bolt (10) is connected inside the through hole (9) in a sliding mode, and the end part of the bolt (10) is screwed inside a threaded groove (11) formed in the side face of the fixing plate (7).
5. A sealing structure of an EGR valve according to claim 3, characterized in that: elastic gaskets (12) are fixedly mounted on two sides of the end part of the placing groove (8) which are positioned in the through hole, and the side surfaces of the elastic gaskets (12) are in contact connection with the side surfaces of the end parts of the bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022535368.1U CN213809345U (en) | 2020-11-05 | 2020-11-05 | Sealing structure of EGR valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022535368.1U CN213809345U (en) | 2020-11-05 | 2020-11-05 | Sealing structure of EGR valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213809345U true CN213809345U (en) | 2021-07-27 |
Family
ID=76965265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022535368.1U Expired - Fee Related CN213809345U (en) | 2020-11-05 | 2020-11-05 | Sealing structure of EGR valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213809345U (en) |
-
2020
- 2020-11-05 CN CN202022535368.1U patent/CN213809345U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |