CN205984739U - Gearbox switch - Google Patents
Gearbox switch Download PDFInfo
- Publication number
- CN205984739U CN205984739U CN201620967944.0U CN201620967944U CN205984739U CN 205984739 U CN205984739 U CN 205984739U CN 201620967944 U CN201620967944 U CN 201620967944U CN 205984739 U CN205984739 U CN 205984739U
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- China
- Prior art keywords
- switch
- push
- mold insert
- rod assembly
- switch base
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- Manufacture Of Switches (AREA)
Abstract
The utility model discloses a gearbox switch, it includes metal casing, push rod spare, switch cover and switch seat, push rod spare, switch seat are all installed in metal casing, and on the switch seat was located to the switch cover lid, the switch cover was located between push rod spare and the switch seat, form a cavity between switch seat and the switch cover, be equipped with movable contact spring, static contact, ejector pin and spring in the cavity, movable contact spring and static contact activity contact under the promotion of ejector pin, spring one end is installed and is served at ejector pin no. 1, and its other end is installed on the switch seat, injection moulding has two mold insert copper posts on the switch seat, and two mold insert copper posts are cylindrical, and its one end sectional area in the switch seat of moulding plastics is greater than the sectional area of the other end, and the one end that mold insert copper post was moulded plastics in the switch seat evenly sets up a plurality of annulars, and the surface of annular is equipped with the annular knurl. The utility model provides the high firmness of mold insert copper post, make its under extreme rugged environment also difficult the pine take off.
Description
Technical field
This utility model is related to a kind of anti-rotation loose structure and in particular to a kind of TS Transmission Switch.
Background technology
Existing transmission switch socket, two mold insert copper posts thereon are to be moulded on switch base, and switch base is plastic cement
Make, such as run into the environment of extreme or because expanding with heat and contract with cold, transmission switch socket in use, because pullling or being subject to
Power makes two mold insert copper posts easily split away off from switch base, therefore the firmness of mold insert copper post is not high, thus affecting speed change
The normal use of device combined socket and switch.
Therefore to sum up prior art can not fundamentally solve this difficult problem, need to design a kind of TS Transmission Switch to make up on
State defect.
Utility model content
The utility model proposes a kind of TS Transmission Switch, for solving the mold insert copper of TS Transmission Switch socket in prior art
The defect that post easily gets loose in the environment of extreme.This utility model structure is simple, easy to operate, improves mold insert copper post
Firmness so as to be not easy to get loose in the environment of extreme.
The technical solution of the utility model is realized in：
A kind of TS Transmission Switch, it includes metal shell, push-rod assembly, switch cover and switch base；Described push-rod assembly,
Described switch base is installed in described metal shell, and described push-rod assembly protrudes from the leading section of described metal shell, institute
State the rearward end that switch base protrudes from described metal shell, described switch cover is covered on described switch base, described switch cover position
Between described push-rod assembly and described switch base；Form a cavity, described cavity between described switch base and described switch cover
Inside it is provided with movable contact spring, static contact, push rod and spring, the activity under the promotion of described push rod of described movable contact spring and described static contact connects
Touch；Described spring one end is arranged on described push rod one end, and its other end is arranged on described switch base；The described push rod other end
Abut to described push-rod assembly；It is provided with first " O " type sealing ring, described switch cover between described switch cover and described push-rod assembly
It is provided with second " O " type sealing ring and described switch base between；It is provided with film between described first " O " type sealing ring and described switch cover
Piece；The face that described metal shell is contacted with described first " O " type sealing ring is inclined-plane, described switch cover and described film contact
Face is inclined-plane；Described metal shell, described switch cover, described push rod and described push-rod assembly form an inclined-plane avoidance space, institute
State diaphragm, described first " O " type sealing ring all in described inclined-plane avoidance space；It is injection molded with two on described switch base
Mold insert copper post, two described mold insert copper posts are cylinder, and its end cross-sectional area being moulded in switch base is more than the other end
Sectional area, one end that described mold insert copper post is molded in switch base is uniformly arranged multiple annular grooves, and the outer surface of annular groove is provided with rolling
Flower.
Wherein, described annular groove is provided with two, and the depth of two described annular grooves is 0.2-0.3mm.
Wherein, it is equipped with inclined-plane above the end face of described push-rod assembly and described ejector pin contact and below end face.
Wherein, described static contact is provided with two, and two described stationary contact chip architectures are identical, and two described static contacts are in all
" L " shape is arranged, and described static contact includes vertical portion and the horizontal part being extended vertically by described vertical portion one end, described level
It is provided with gap between portion and described movable contact spring；Described vertical portion center is provided with through hole, and described static contact is pacified by described through hole
It is contained on described switch base.
Wherein, it is equipped with gap between described movable contact spring and two described static contacts.
Wherein, two described mold insert copper posts are further provided with indenture, and two described mold insert copper posts are near described indenture
End face be cambered surface.
Compared with prior art, this utility model has the advantage that：
This utility model passes through to arrange annular groove in mold insert copper post, and the outside table of annular groove sets annular knurl, improves mold insert copper post
Anti-loose performance and firmness after injection mo(u)lding, are not easy to get loose in the environment of extreme.
This utility model passes through to arrange inclined-plane avoidance space, improves the Free Transform amount of diaphragm, reduces diaphragm and bear
Shearing force, improve diaphragm physical life.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model TS Transmission Switch.
Fig. 2 is the structural representation of this utility model mold insert copper post.
Fig. 3 is another structural representation of this utility model mold insert copper post.
Fig. 4 is another structural representation of this utility model mold insert copper post.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Referring to figs. 1 to Fig. 4, a kind of TS Transmission Switch 1, it includes metal shell 2, push-rod assembly 3, switch cover 4 and opens
Close seat 5；Push-rod assembly 3, switch base 5 are installed in metal shell 2, and push-rod assembly 3 protrudes from the front end of metal shell 2
Portion, switch base 5 protrudes from the rearward end of metal shell 2, and switch cover 4 is covered on switch base 5, and switch cover 4 is located at push-rod assembly 3
And switch base 5 between；Form a cavity (not shown) between switch base 5 and switch cover 4, in cavity, be provided with movable contact spring 6, static contact
7th, push rod 8 and spring 9, movable contact spring 6 and static contact 7 movable contact under the promotion of push rod 8；Spring 9 one end is arranged on push rod 8 one
On end, its other end is arranged on switch base 5；Push rod 8 other end abuts to push-rod assembly 3；Switch cover 4 and push-rod assembly 3 it
Between be provided with first " O " type sealing ring 10, be provided with second " O " type sealing ring 11 between switch cover 4 and switch base 5；First " O " type is close
It is provided with diaphragm 12 between seal 10 and switch cover 4；The face that metal shell is contacted with first " O " type sealing ring 10 is inclined-plane, switch
The face that lid 4 is contacted with diaphragm 12 is inclined-plane；Metal shell 2, switch cover 4, push rod 8 and push-rod assembly 3 form an inclined-plane and avoid sky
Between 13, diaphragm 12, first " O " type sealing ring 10 is all in inclined-plane avoidance space 13；Two edges are injection molded with switch base 5
Part copper post 14, two mold insert copper posts 14 are cylinder, and its end cross-sectional area being moulded in switch base is more than cutting of the other end
Area, one end that mold insert copper post 14 is molded in switch base is uniformly arranged multiple annular grooves 141, and the outer surface of annular groove 141 is provided with
Annular knurl 142.This utility model first " O " type sealing ring and the setting of second " O " type sealing ring, increased the anti-of TS Transmission Switch
Aqueouss energy.
Wherein, annular groove 141 is provided with two, and the depth of two annular grooves 141 is 0.2-0.3mm.This utility model annular groove
Quantity and depth are set according to the actual requirements by those skilled in the art, only need to reach under severe conditions, by this utility model
When TS Transmission Switch comes out of the socket, it is difficult to get loose.
It is further provided with indenture 143 in two mold insert copper posts 14 of this utility model, and two mold insert copper posts 143 are near indenture
End face be arc, this utility model is arc near the end face of indenture, and the setting of indenture facilitates this utility model change speed gear box
Switch smoothly inserts in butt-joint socket.
It is equipped with inclined-plane, it is to avoid push rod group above the end face of this utility model push-rod assembly and ejector pin contact and below end face
Part, when promoting push rod, touches diaphragm or first " O " type sealing ring, thus affecting both property above end face and below end face
Energy and service life.
Wherein, static contact 7 is provided with two, and two stationary contact chip architectures are identical；Two static contacts are arranged all in " L " shape, quiet
Contact 7 includes vertical portion (not shown) and the horizontal part (not shown) being extended vertically by vertical portion one end, horizontal part with dynamic
It is provided with gap (not shown) between contact；Vertical portion center is provided with through hole (not shown), and static contact is arranged on out by through hole
Close on seat.
This utility model, when using, switch base one end is inserted into socket, that is, two mold insert copper posts are inserted into socket
In jack, by push-rod assembly penetrator ram, push rod promotes movable contact spring to move toward the direction of switch base, thus by movable contact spring and two
Static contact all contacts, and realizes the conducting of TS Transmission Switch；Push-rod assembly toward opposite direction promote push rod, movable contact spring with push rod toward away from
The direction of switch base is moved, so that movable contact spring is all disconnected with two static contacts, so that TS Transmission Switch disconnects.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of TS Transmission Switch is it is characterised in that it includes metal shell, push-rod assembly, switch cover and switch base；
Described push-rod assembly, described switch base are installed in described metal shell, and described push-rod assembly protrudes from described gold
Belong to the leading section of shell, described switch base protrudes from the rearward end of described metal shell, and described switch cover is covered on described switch
On seat, described switch cover is located between described push-rod assembly and described switch base；
Form a cavity between described switch base and described switch cover, in described cavity, be provided with movable contact spring, static contact, push rod and bullet
Spring, described movable contact spring and described static contact movable contact under the promotion of described push rod；Described spring one end is arranged on described top
On bar one end, its other end is arranged on described switch base；The described push rod other end abuts to described push-rod assembly；
Be provided with first " O " type sealing ring between described switch cover and described push-rod assembly, described switch cover and described switch base it
Between be provided with second " O " type sealing ring；It is provided with diaphragm between described first " O " type sealing ring and described switch cover；Outside described metal
The face that shell is contacted with described first " O " type sealing ring is inclined-plane, and described switch cover is inclined-plane with the face of described film contact；Described
Metal shell, described switch cover, described push rod and described push-rod assembly form an inclined-plane avoidance space, described diaphragm, described the
One " O " type sealing ring is all in described inclined-plane avoidance space；
Two mold insert copper posts are injection molded with described switch base, two described mold insert copper posts are cylinder, and it is moulded in out
Close the sectional area that the end cross-sectional area in seat is more than the other end, one end that described mold insert copper post is molded in switch base is uniformly arranged
Multiple annular grooves, and the outer surface of annular groove is provided with annular knurl.
2. TS Transmission Switch as claimed in claim 1 is it is characterised in that described annular groove is provided with two, and two described annular grooves
Depth be 0.2-0.3mm.
3. TS Transmission Switch as claimed in claim 2 is it is characterised in that the end face of described push-rod assembly and described ejector pin contact
It is equipped with inclined-plane below top and end face.
4. TS Transmission Switch as claimed in claim 3 is it is characterised in that described static contact is provided with two, and two described quiet
Contact plate structure is identical, and two described static contacts are arranged all in " L " shape, and described static contact includes vertical portion and by described vertical portion one
Hold the horizontal part extending vertically, between described horizontal part and described movable contact spring, be provided with gap；Described vertical portion center sets
There is through hole, described static contact is arranged on described switch base by described through hole.
5. TS Transmission Switch as claimed in claim 4 it is characterised in that between described movable contact spring and two described static contacts all
It is provided with gap.
6. the TS Transmission Switch as any one of claim 1-5 is it is characterised in that two described mold insert copper posts enterprising
Step is provided with indenture, and two described mold insert copper posts are cambered surface near the end face of described indenture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967944.0U CN205984739U (en) | 2016-08-26 | 2016-08-26 | Gearbox switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620967944.0U CN205984739U (en) | 2016-08-26 | 2016-08-26 | Gearbox switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984739U true CN205984739U (en) | 2017-02-22 |
Family
ID=58038415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620967944.0U Active CN205984739U (en) | 2016-08-26 | 2016-08-26 | Gearbox switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146725A (en) * | 2017-05-27 | 2017-09-08 | 东风商用车有限公司 | Neutral-reverse gear switch structure in gearbox |
| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
-
2016
- 2016-08-26 CN CN201620967944.0U patent/CN205984739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146725A (en) * | 2017-05-27 | 2017-09-08 | 东风商用车有限公司 | Neutral-reverse gear switch structure in gearbox |
| CN114220685A (en) * | 2021-11-26 | 2022-03-22 | 陕西航空电气有限责任公司 | High-low gear switch of air pressure resistant structure for gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |