CN207474367U - A kind of Crankarm box - Google Patents
A kind of Crankarm box Download PDFInfo
- Publication number
- CN207474367U CN207474367U CN201721609889.9U CN201721609889U CN207474367U CN 207474367 U CN207474367 U CN 207474367U CN 201721609889 U CN201721609889 U CN 201721609889U CN 207474367 U CN207474367 U CN 207474367U
- Authority
- CN
- China
- Prior art keywords
- sealing strip
- sealing ring
- box body
- box
- crankarm
- 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
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- Gasket Seals (AREA)
Abstract
The utility model provides a kind of Crankarm box, including the first box body and the second box body, first box body is equipped with connecting lever installation sleeve, first box body is equipped with and takes the lead, and second box body is equipped with plug, and the inner wall shape of taking the lead matches with plug outer wall shape, the inner wall of taking the lead is equipped with female seat circle mounting groove, sealing ring is equipped in the sealing ring mounting groove, is arc on the outside of the sealing ring, the sealing ring is Y-shaped.By adopting the above-described technical solution, the utility model has the advantages that, processing technology is simple, easy for installation, the pressure of the sealing ring is enabled flexibly to be changed according to the pressure of tray interior in this way, so as to reduce the possibility of leakage.
Description
Technical field
The utility model is related to technical field of electricity.
More particularly to a kind of Crankarm box.
Background technology
High-pressure vacuum breaker is to have good arc quenching characteristic, suitable for frequent operation, the advantage that time between overhauls(TBO) is not grown,
In breaker, Crankarm box is the component for encapsulating the container class of sulfur hexafluoride gas, and Crankarm box is typically provided with connecting lever installation set
Cylinder, inflatable interface, such part is connected usually using ring flange, installation process is complicated, poor sealing.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above, provide it is a kind of it is simple in structure, easy for installation can
The Crankarm box leaned on.
To solve the above problems, technical solution is used by the utility model：
A kind of Crankarm box, including the first box body and the second box body, first box body is equipped with connecting lever installation sleeve, described
First box body is equipped with and takes the lead, and second box body is equipped with plug, inner wall shape and the plug outer wall shape kissing of taking the lead
It closes, the inner wall of taking the lead is equipped with sealing ring equipped with female seat circle mounting groove in the sealing ring mounting groove, outside the sealing ring
Side is arc, and the sealing ring is Y-shaped, and the sealing ring includes third sealing strip, and the third sealing strip tail end is equipped with the
One sealing strip and the second sealing strip, the third sealing strip inside are equipped with sealing ring, annular inflatable chamber are equipped in the sealing ring,
The inflatable chamber is communicated with conduit, and piston is movably set in the conduit, and the conduit bottom is connected with siphunculus, the first sealing
Gap between item and the second sealing strip is connected with siphunculus.
As an improvement：First sealing strip, the second sealing strip and third sealing strip from tail end to nose width according to
Secondary reduction.
As an improvement：The siphunculus is connect with conduit bottom sides.
As an improvement：The piston includes movable body, and the movable body bottom is equipped with pedestal, and the pedestal is equipped with
Hole is equipped with several connecting rods between the movable body and pedestal.
As an improvement：The conduit is metal tube.
As an improvement：The siphunculus is connected with the first sealing strip close to the side of the second sealing strip.
As an improvement：The head end is equipped with guide surface and positioning surface, the sealing ring mounting groove setting successively
Between guide surface and positioning surface.
As an improvement：The plug ends are equipped with inserting surface, and the inserting surface end is equipped with transition face, the transition
Face is obliquely installed.
As an improvement：Rotation is provided with casing on second box body, and described sleeve pipe inner wall is equipped with internal thread, described
Outer wall of taking the lead is equipped with external screw thread.
As an improvement：First box body is equipped with inflatable interface.
By adopting the above-described technical solution, the utility model has the advantages that, processing technology is simple, installation side
Just, if the pressure increase of tray interior can push the piston motion after installation, piston motion can increase the pressure in inflatable chamber
Power so that the pressing force of the sealing ring increases, if the pressure change valve piston of tray interior understands reverse slide and causes the sealing again
The pressing force of circle reduces, and the pressure of the sealing ring is enabled flexibly to be changed according to the pressure of tray interior in this way,
So as to reduce the possibility of leakage.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Description of the drawings
Attached drawing 1 is the structure diagram of sealing ring in a kind of Crankarm box of the utility model.
Attached drawing 2 is the structure diagram taken the lead in a kind of Crankarm box of the utility model.
Attached drawing 3 is the structure diagram of plug in a kind of Crankarm box of the utility model.
Attached drawing 4 is the structure diagram of sealing ring in a kind of Crankarm box of the utility model.
Attached drawing 5 is the enlarged diagram of part A in Fig. 4.
Attached drawing 6 is the structure diagram of conduit in a kind of Crankarm box of the utility model.
Attached drawing 7 is the structure diagram of piston in a kind of Crankarm box of the utility model.
In figure：The first sealing strips of 1-；The second sealing strips of 2-；3- third sealing strips；4- sealing rings；5- inflatable chambers；6- siphunculus；
7- conduits；8- pistons；9- movable bodies；10- pedestals；11- connecting rods；12- takes the lead；13- plugs；14- positioning surfaces；15- sealing rings are pacified
Tankage；16- guide surfaces；17- inserting surfaces；18- transition faces；19- circular arc mounting surfaces；20- circular cone mounting surfaces；The first box bodys of 21-；
The second box bodys of 22-；23- connecting lever installation sleeves；24- casings.
Specific embodiment
Embodiment：
As shown in Fig. 1 to 7, a kind of Crankarm box including the first box body 21 and the second box body 22, is set on first box body 21
There are connecting lever installation sleeve 23 and an inflatable interface, first box body 21, which is equipped with, takes the lead 12, and second box body 22, which is equipped with, to be inserted
First 13,12 inner wall shapes of taking the lead match with 13 outer wall shape of plug, and 12 inner walls of taking the lead are pacified equipped with female seat circle
Tankage 15, the sealing ring mounting groove 15 is interior to be equipped with sealing ring.
It is arc on the outside of the sealing ring, the sealing ring is Y-shaped, and the sealing ring includes third sealing strip 3, described
3 tail end of third sealing strip is equipped with the first sealing strip 1 and the second sealing strip 2, and 3 inside of third sealing strip is equipped with sealing ring 4, institute
It states and annular inflatable chamber 5 is equipped in sealing ring, the inflatable chamber 5 is communicated with conduit 7, piston 8 is movably set in the conduit 7,
7 bottom of conduit is connected with siphunculus 6, and the gap between the first sealing strip 1 and the second sealing strip 2 is connected with siphunculus 6.
First sealing strip 1, the second sealing strip 2 and third sealing strip 3 are sequentially reduced from tail end to nose width.It is described
First sealing strip 1, the second sealing strip 2 and third sealing strip 3 are rubber weather strip 2.
5 cross section of inflatable chamber is circle, and the inflatable chamber 5 is set to the first sealing strip 1, the second sealing strip 2 and the
Three sealing strips, 3 junction.
First sealing strip 1, the second sealing strip 2 and third sealing strip 3 are rubber.
The siphunculus 6 is connect with 7 bottom sides of conduit.
The piston 8 includes movable body 9, and 9 bottom of movable body is equipped with pedestal 10, and the pedestal 10 is equipped with hole,
Four connecting rods 11 are equipped between the movable body 9 and pedestal 10.The quantity of certain connecting rod 11 may be five or three.
The conduit 7 is metal tube.
The siphunculus 6 is connected with the first sealing strip 1 close to the side of the second sealing strip 2.
12 ends of taking the lead are equipped with guide surface 16 and positioning surface 14 successively, and the sealing ring mounting groove 15 is set to guiding
Between face 16 and positioning surface 14.
13 end of plug is equipped with inserting surface 17, and 17 end of inserting surface is equipped with transition face 18, the transition face 18
It is obliquely installed.The outer diameter of inserting surface 17 is more than the outer diameter of the second box body 22.Rotation is provided with casing 24 on second box body 22,
24 inner wall of described sleeve pipe is equipped with internal thread, and 12 outer walls of taking the lead are equipped with external screw thread.
Specifically, the second box body 22 is cylinder, casing 24 is socketed with the second box body 22.
The guide surface 16 is the gradually smaller circular conical surface of diameter from outside to inside, and the sealing ring mounting groove 15 is evagination
Groove specifically includes the circular arc mounting surface 19 of evagination and the circular cone mounting surface 20 tangent with the circular arc mounting surface 19；It is described fixed
Plane 14 is cylindrical surface, and certralizing ability is played to the plug 13 to installation.The transition face 18 gradually becomes for diameter from outside to inside
Big circular conical surface, the inserting surface 17 are cylindrical surface.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment, it is impossible to be construed as limiting the scope of the utility model.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of Crankarm box, including the first box body（21）With the second box body（22）, first box body（21）Connecting lever is equipped with to pacify
It is sleeved（23）, it is characterised in that：First box body（21）It is equipped with and takes the lead（12）, second box body（22）It is equipped with and inserts
Head（13）, it is described to take the lead（12）Inner wall shape and plug（13）Outer wall shape matches, described to take the lead（12）Inner wall is equipped with spill
Sealing ring mounting groove（15）, the sealing ring mounting groove（15）It is interior to be equipped with sealing ring, it is arc on the outside of the sealing ring, it is described close
Seal is Y-shaped, and the sealing ring includes third sealing strip（3）, the third sealing strip（3）Tail end is equipped with the first sealing strip
（1）With the second sealing strip（2）, the third sealing strip（3）Inside is equipped with sealing ring（4）, the sealing ring is interior to be filled equipped with annular
Air cavity（5）, the inflatable chamber（5）It is communicated with conduit（7）, the conduit（7）Inside it is movably set with piston（8）, the conduit（7）
Bottom is connected with siphunculus（6）, the first sealing strip（1）With the second sealing strip（2）Between gap and siphunculus（6）Connection.
2. Crankarm box according to claim 1, it is characterised in that：First sealing strip（1）, the second sealing strip（2）With
Third sealing strip（3）It is sequentially reduced from tail end to nose width.
3. Crankarm box according to claim 2, it is characterised in that：The siphunculus（6）With conduit（7）Bottom sides connect.
4. Crankarm box according to claim 3, it is characterised in that：The piston（8）Including movable body（9）, the movement
Body（9）Bottom is equipped with pedestal（10）, the pedestal（10）It is equipped with hole, the movable body（9）With pedestal（10）Between be equipped with
Several connecting rods（11）.
5. according to one of them described Crankarm box of claim 1 to 4, it is characterised in that：The conduit（7）For metal tube.
6. according to one of them described Crankarm box of claim 1 to 4, it is characterised in that：The siphunculus（6）With the first sealing strip
（1）Close to the second sealing strip（2）Side connection.
7. according to one of them described Crankarm box of claim 1 to 4, it is characterised in that：It is described to take the lead（12）End is set successively
There is guide surface（16）And positioning surface（14）, the sealing ring mounting groove（15）It is set to guide surface（16）And positioning surface（14）It
Between.
8. Crankarm box according to claim 7, it is characterised in that：The plug（13）End is equipped with inserting surface（17）, institute
State inserting surface（17）End is equipped with transition face（18）, the transition face（18）It is obliquely installed.
9. according to one of them described Crankarm box of claim 1 to 4, it is characterised in that：Second box body（22）Upper rotation
It is provided with casing（24）, described sleeve pipe（24）Inner wall is equipped with internal thread, described to take the lead（12）Outer wall is equipped with external screw thread.
10. according to one of them described Crankarm box of claim 1 to 4, it is characterised in that：First box body（21）It is equipped with
Inflatable interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721609889.9U CN207474367U (en) | 2017-11-28 | 2017-11-28 | A kind of Crankarm box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721609889.9U CN207474367U (en) | 2017-11-28 | 2017-11-28 | A kind of Crankarm box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474367U true CN207474367U (en) | 2018-06-08 |
Family
ID=62259870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721609889.9U Expired - Fee Related CN207474367U (en) | 2017-11-28 | 2017-11-28 | A kind of Crankarm box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474367U (en) |
-
2017
- 2017-11-28 CN CN201721609889.9U patent/CN207474367U/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: 20180608 Termination date: 20181128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |