CN206685286U - A kind of high and low shift change-over switch - Google Patents
A kind of high and low shift change-over switch Download PDFInfo
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- CN206685286U CN206685286U CN201720388585.8U CN201720388585U CN206685286U CN 206685286 U CN206685286 U CN 206685286U CN 201720388585 U CN201720388585 U CN 201720388585U CN 206685286 U CN206685286 U CN 206685286U
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- sheath
- installation cavity
- push rod
- over switch
- shift change
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Abstract
A kind of high and low shift change-over switch is the utility model is related to, it includes shell, push rod, butt joint sheath, copper post, static contact and movable contact spring；Shell offers shoulder hole from the middle part of end face and is further opened with push rod installation cavity vertically along ladder bore end vertically, and shell offers sheath installation cavity vertically from the middle part of other end；Matching is embedded with flat shim and the O-ring seal made of heat-resisting oil resisting material in shoulder hole, and O-ring seal is to compress to be sealed in flat shim bottom by roll riveting closing in mode, is axially and radially sealed so that push rod installation cavity is formed；Butt joint sheath is socketed in sheath installation cavity, and it behind roll riveting technique progress riveting side with shell fit sealing by coupling；Pressing clip, which is gone back, between butt joint sheath is located at the stage casing end face of axial end face and the sheath installation cavity on the inside of sheath installation cavity is provided with sealing gasket.The utility model is reasonable in design, compact, and performance is more stable, and key breakthrough improves grease proofing grade, and cost substantially reduces, and operability is stronger.
Description
Technical field
It the utility model is related to a kind of switch, and in particular to a kind of high and low shift change-over switch.
Background technology
In automobile gearbox high and low shift change-over switch production, it is to be slidably matched that the switch, which is that shell and push rod coordinate,
Mode, hence it is evident that fit clearance be present, although coordinating shell the finish on endoporus and push rod surface to improve and reduce fit clearance,
Still it can't resolve and produced under the gearbox condition of high temperature inside mist of oil access switch, oil is produced to movable contact spring and stationary contact surface
Thing pollutes, and causes movable contact spring and stationary contact poor flow, although being internally equipped with insulated enclosure pad, sealing becomes by long-term use
Difference, cause internal micro oil-feed, cause product function to fail, this is the quality problems found by largely changing part after sale, is caused
Major quality hidden danger.
The presence of drawbacks described above, it is necessary to which improvement is designed to existing high and low shift change-over switch.
The content of the invention
In view of the above-mentioned problems, the utility model provides, one kind is reasonable in design, compact, and performance is more stable, emphasis
Break through and improve grease proofing grade, cost substantially reduces, the stronger high and low shift change-over switch of operability.
The technical solution of the utility model is as follows：
Above-mentioned high and low shift change-over switch, including shell, the push rod being installed on the shell, butt joint sheath and installing
Copper post, static contact and movable contact spring inside the butt joint sheath；The shell offers ladder vertically from the middle part of end face
Hole, the end of the shoulder hole are further opened with push rod installation cavity vertically, and the shell opens up vertically from the middle part of other end
There is sheath installation cavity；Matching is embedded with flat shim and the O-ring seal made of heat-resisting oil resisting material in the shoulder hole, described
O-ring seal is to compress to be sealed in the flat shim bottom by roll riveting closing in mode, so that the push rod installation cavity forms axle
To and radial seal；The butt joint sheath is socketed in the sheath installation cavity, its by roll riveting technique carry out behind riveting side with institute
State the connection of shell fit sealing；It is located at axial end face and the sheath on the inside of the sheath installation cavity in the butt joint sheath
Pressing clip is gone back between the stage casing end face of installation cavity and is provided with sealing gasket.
The high and low shift change-over switch, wherein：The bottom of chamber of the push rod installation cavity offers push-rod hole vertically, described to push away
Push rod installation cavity described in rod aperture UNICOM and sheath installation cavity.
The high and low shift change-over switch, wherein：Described push rod one end penetrates the push rod installation cavity through the flat shim
It is interior and stretched into through the push-rod hole in the sheath installation cavity；The push rod stretches into the sheath installation cavity one end radially
It is equiped with opening backing pin；Pre-compressed spring is also arranged with one section of body of rod that the push rod is located in the push rod installation cavity；It is described
Pre-compressed spring one end withstands on the bottom of chamber of the push rod installation cavity, and other end axial limiting is on the stage casing body of rod of the push rod.
The high and low shift change-over switch, wherein：The inner chamber stage casing of the butt joint sheath is separated to form sheath exocoel by retaining wall
And sheath lumen, the sheath lumen have horizontally outward extended into boss along in the middle part of bottom of chamber.
The high and low shift change-over switch, wherein：The copper post has a pair and level is embedded in the retaining wall and boss
Portion, its one end stretch into the sheath exocoel, and the other end stretches into the sheath lumen.
The high and low shift change-over switch, wherein：The static contact is installed in a pair of the sheath lumen for matching, described
Static contact schedules the sheath lumen by turning over rivet clasp；The radial outer wall of the static contact is close to the inwall of the sheath lumen,
The side wall that the retaining wall is located at the sheath lumen is close in axial one end, and axial other end riveting has stationary contact.
The high and low shift change-over switch, wherein：Insulation pin is crimped with the movable contact spring and outside the insulation pin
Portion is equipped with squeeze contact spring, and the squeeze contact spring is locked by jump ring；The movable contact spring, insulation pin and squeeze contact
Spring composition component loads between a pair of static contacts together, and the movable contact spring is compressed with the stationary contact on the static contact and pasted
Close.
Beneficial effect：
The utility model high and low shift change-over switch arrangement is reasonable in design, compact, operational stronger, the emphasis from structure design
The Integral Thought in source is first controlled in view of pollution treatment, is found out of problems true because in product design size, mounting structural mode, pass
On the premise of key performance parameter keeps constant, shoulder hole is set up and to the hole size tolerance of shell in one end of shell dress push rod
And surface smoothness can do appropriate adjustment and relax, after 0 type sealing ring and plain cushion that heat-resisting oil resistant is installed in shoulder hole, lead to
Cross roll riveting closing in（Carried out using three combination rollers）Mode extrudes the micro-deformation of O-ring seal after plain cushion is pressurized, can
Form push rod installation cavity axially and radially to seal, while a large amount of sufficiently experiments and checking have been done from design structure, reach
Expected design requirement, really embody the purpose that source is first controlled in pollution treatment；It is this that O is installed by adding shoulder hole on shell
Type sealing ring and plain cushion close up to prevent internal problem of oil inlet, more rationally careful in structure, improve interior quality, performance
It is more stable, upgrading of regenerating has been carried out on the basis of primary standard.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model high and low shift change-over switch；
Fig. 2 is the structural representation of the shell of the utility model high and low shift change-over switch.
Embodiment
As shown in Fig. 1 to 2, the utility model high and low shift change-over switch, including shell 1, push rod 2, butt joint sheath 3, copper post
4th, static contact 5, movable contact spring 6, squeeze contact spring 7 and sealing gasket 8.
The shell 1 is structure as a whole, and it offers shoulder hole 11 in the middle part of the end face and along the end of shoulder hole 11 vertically
Push rod installation cavity 12 axially is further opened with, the shell 1 offers sheath installation cavity 13 vertically from the middle part of other end；The sheath
Installation cavity 13 is connected from the hole of four sections of different-diameters to be formed and diameter is become larger from the inner terminal of shell 1 to the outermost end of shell 1,
The bottom of chamber of the push rod installation cavity 12 offers push-rod hole 14 vertically, the UNICOM's push rod installation cavity 12 of push-rod hole 14 and sheath installation
Chamber 13；Wherein, the shell 1 is further opened with screw thread in outer wall corresponding to push rod installation cavity 12, matches and is embedded with the shoulder hole 11
Flat shim 15 and O-ring seal 16, the O-ring seal 16 are to compress to be sealed in the bottom of flat shim 15 by roll riveting closing in mode,
So that push rod installation cavity 12 is formed and axially and radially sealed；The O-ring seal 16 uses heat-resisting oil resisting material（NBR）.
The push rod 2 is penetrated through flat shim 13 in push rod installation cavity 12 and sheath installation cavity is stretched into end through push-rod hole 14
In 13, while the end that the push rod 2 is stretched into sheath installation cavity 13 is radially equiped with opening backing pin 21, passes through opening backing pin 21
Bounced back to limit the end of push rod 2 into push rod installation cavity 12；Meanwhile the push rod 2 is located at one section of body of rod in push rod installation cavity 12
On be also arranged with pre-compressed spring 22；The one end of pre-compressed spring 22 withstands on the bottom of chamber of push rod installation cavity 12, other end axial limiting in
On the stage casing body of rod of push rod 2.
The butt joint sheath 3 is socketed in the sheath installation cavity 13 of shell 1, and it is to carry out riveting side and shell by roll riveting technique
1 fit sealing couples；Wherein, the stage casing of the butt joint sheath 3 is separated to form exocoel 31 and inner chamber 32 by retaining wall, the bottom of chamber of inner chamber 32
Middle part has been extended outward horizontally so as to form boss 33；Meanwhile it is located at the inner opposite end face of sheath installation cavity 13 and shell in butt joint sheath 3
Pressing clip, which is gone back, between the 1 stage casing end face of sheath installation cavity 13 is provided with sealing gasket 8.
The copper post 4 has a pair and the horizontal retaining wall for being embedded in butt joint sheath 3 and the middle part of boss 33, its one end are protected to docking
Stretched out in the exocoel 31 of set 3, the other end stretches out into the inner chamber 32 of butt joint sheath 3.
The static contact 5 has a pair, and a pair of static contacts 5 load in the inner chamber 32 of butt joint sheath 3 and carry out turning over riveting consolidates
It is fixed；The radial outer wall of a pair of static contacts 5 is close to the inwall of inner chamber 32, and the side block positioned at the inner side of inner chamber 32 is close in axial one end
On wall 31, the axial other end has riveted stationary contact 51.
Insulation pin 61 is crimped with the movable contact spring 6 and squeeze contact spring 7, the precompressed are housed outside insulation pin 61
Contact spring 7 prevents from releasing with jump ring locking；The movable contact spring 6, insulation pin 61 form component with squeeze contact spring 7 and load one
To between static contact 5, the movable contact spring 6 is compressed with a pair of stationary contacts 51 on a pair of static contacts 5 and is bonded.
The utility model is reasonable in design, compact, and performance is more stable, and emphasis improves sealing and coordinated and in high temperature ring
The oil mist prevention class of pollution under border, cost substantially reduce, and operability is stronger.
Claims (7)
1. a kind of high and low shift change-over switch, including shell, the push rod being installed on the shell, butt joint sheath and it is installed in institute
State copper post, static contact and the movable contact spring inside butt joint sheath；It is characterized in that：The shell opens up vertically from the middle part of end face
There is shoulder hole, the end of the shoulder hole is further opened with push rod installation cavity vertically, and the shell is from the middle part of other end along axle
To offering sheath installation cavity；Matching is embedded with flat shim and the O-shaped sealing made of heat-resisting oil resisting material in the shoulder hole
Circle, the O-ring seal is to compress to be sealed in the flat shim bottom by roll riveting closing in mode, so that the push rod installation cavity
Formation axially and radially seals；The butt joint sheath is socketed in the sheath installation cavity, and it carries out riveting side by roll riveting technique
Couple afterwards with the shell fit sealing；It is located at axial end face and the institute on the inside of the sheath installation cavity in the butt joint sheath
State and go back pressing clip between the stage casing end face of sheath installation cavity and be provided with sealing gasket.
2. high and low shift change-over switch as claimed in claim 1, it is characterised in that：Open vertically the bottom of chamber of the push rod installation cavity
Provided with push-rod hole, push rod installation cavity and sheath installation cavity described in the push-rod hole UNICOM.
3. high and low shift change-over switch as claimed in claim 2, it is characterised in that：Worn through the flat shim described push rod one end
Enter in the push rod installation cavity and stretched into through the push-rod hole in the sheath installation cavity；The push rod stretches into the sheath peace
Interior one end of behaveing affectedly radially is equiped with opening backing pin；Also it is arranged on one section of body of rod that the push rod is located in the push rod installation cavity
There is pre-compressed spring；Described pre-compressed spring one end withstands on the bottom of chamber of the push rod installation cavity, and other end axial limiting is in the push rod
The stage casing body of rod on.
4. high and low shift change-over switch as claimed in claim 1, it is characterised in that：The inner chamber stage casing of the butt joint sheath is by retaining wall
Separate to form sheath exocoel and sheath lumen, the sheath lumen has horizontally outward extended into boss along in the middle part of bottom of chamber.
5. high and low shift change-over switch as claimed in claim 4, it is characterised in that：The copper post has a pair and level is embedded in
In the middle part of the retaining wall and boss, its one end stretches into the sheath exocoel, and the other end stretches into the sheath lumen.
6. high and low shift change-over switch as claimed in claim 4, it is characterised in that：The static contact is that matching is installed in the shield
A pair of inner chamber are covered, the static contact schedules the sheath lumen by turning over rivet clasp；The radial outer wall of the static contact is close to institute
The inwall of sheath lumen is stated, the side wall that the retaining wall is located at the sheath lumen, axial other end riveting are close in axial one end
There is stationary contact.
7. high and low shift change-over switch as claimed in claim 1, it is characterised in that：Be crimped with the movable contact spring insulation pin and
Squeeze contact spring is housed outside the insulation pin, the squeeze contact spring is locked by jump ring；The movable contact spring, absolutely
Edge pin and squeeze contact spring composition component load between a pair of static contacts together, the movable contact spring and the static contact
On stationary contact compress fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388585.8U CN206685286U (en) | 2017-04-14 | 2017-04-14 | A kind of high and low shift change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388585.8U CN206685286U (en) | 2017-04-14 | 2017-04-14 | A kind of high and low shift change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685286U true CN206685286U (en) | 2017-11-28 |
Family
ID=60398781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720388585.8U Active CN206685286U (en) | 2017-04-14 | 2017-04-14 | A kind of high and low shift change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550483A (en) * | 2018-05-24 | 2018-09-18 | 温岭市富祥电子科技有限公司 | Motorcycle brake switching device |
-
2017
- 2017-04-14 CN CN201720388585.8U patent/CN206685286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550483A (en) * | 2018-05-24 | 2018-09-18 | 温岭市富祥电子科技有限公司 | Motorcycle brake switching device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 442013 No.1, Science Park Road, Shiyan economic and Technological Development Zone, Hubei Province Patentee after: Shiyan Tian Yun Automobile Electric Appliance Co., Ltd. Address before: 442013 No. 1, science and technology road, Shiyan Economic Development Zone, Hubei, China Patentee before: Hubei Tianyun Automotive Electric Systems Co., Ltd. |