CN204011131U - Normally closed type Reverse lamp switch - Google Patents
Normally closed type Reverse lamp switch Download PDFInfo
- Publication number
- CN204011131U CN204011131U CN201420256599.0U CN201420256599U CN204011131U CN 204011131 U CN204011131 U CN 204011131U CN 201420256599 U CN201420256599 U CN 201420256599U CN 204011131 U CN204011131 U CN 204011131U
- Authority
- CN
- China
- Prior art keywords
- assembly
- push rod
- push
- normally closed
- lamp switch
- 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
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
Normally closed type Reverse lamp switch, comprise shell, end-cap assembly, contact assembly, push-rod assembly, shell is connected with end-cap assembly, the inner wall surface of contact package shell and offseting with end-cap assembly, and be provided with sealing gasket between contact assembly and outer casing inner wall, push-rod assembly is located in seal cavity and is offseted with conflict chip module, between push-rod assembly and contact assembly, is provided with back-moving spring, and push-rod assembly can promote contact assembly in the inner slip of seal cavity; The phenomenon of the loose contact that the utility model can effectively be avoided contact and causes because of friction, thereby ensured the transmission of signal, and also can well prevent extraneous greasy dirt, impurity or moisture invades innerly, and then causes the situation of switch failure, and simple in structure, easy to assembly.
Description
Technical field
The utility model relates to a kind of automobile component, specifically be a kind of normally closed type Reverse lamp switch.
Background technology
Reverse lamp switch is one of of paramount importance safety member on automobile, and its quality can directly affect the use of automobile.At present, the Reverse lamp switch of general automobile is to adopt mechanical contact mostly, and internal structure is mainly to carry out conducted signal by the conductivity of copper sheet, but the resistance to wear of copper sheet is poor, easily occurs the situation of loose contact.Concerning some normally closed type Reverse lamp switch, because the state that this Reverse lamp switch is connected in closure under normal condition, so inner sealing is had to very strict requirement, or thereby to prevent that greasy dirt impurity from invading the inside and causing poor contact of contacts, makes switch failure.
Summary of the invention
In order to overcome above-mentioned problem, the utility model provides a kind of normally closed type Reverse lamp switch, or can solve the problem that causes switch failure because loose contact inner sealing is not good.
The utility model solves the technical scheme that its technical problem adopts: a kind of normally closed type Reverse lamp switch, comprise shell, end-cap assembly with shell formation seal cavity, be located at the contact assembly of enclosure space inside, the push-rod assembly offseting with contact assembly, described shell and end-cap assembly are tightly connected, contact assembly is arranged at the inner wall surface of the shell inside seal cavity and offsets with end-cap assembly, and be provided with sealing gasket between contact assembly and outer casing inner wall, push-rod assembly is located in seal cavity and is offseted with conflict chip module, between push-rod assembly and contact assembly, be provided with back-moving spring, and push-rod assembly can promote contact assembly in the inner slip of seal cavity.
Described end-cap assembly is made up of end cap, binding post and static contact, end cap is fixed on outer cover body, the surface of end cap body is provided with side by side and is symmetrical hole, binding post passes and is fixed on the inside, hole from hole, and one end of binding post is exposed at outside seal cavity, other end end is in the inside of seal cavity, and static contact is fixed on one end that end cap inner wall surface and binding post be arranged at seal cavity inside and offsets.
Described contact assembly is made up of movable contact spring, positioning sleeve and movable contact spring holder nail, and positioning sleeve is fixed on the inner wall surface of shell and offsets with end cap, and the direction that movable contact spring holder is followed closely along shell to end cap is passed positioning sleeve, and movable contact spring is arranged on the tip of movable contact spring holder nail.
Described push-rod assembly is made up of push rod, push rod cup and push rod spring, and push rod cup is enclosed within one end of push rod, and the other end of push rod is exposed at outside seal cavity, and the inner chamber of push rod and the inner chamber of push rod cup between be fixed with push rod spring.
Described shell is four-part form solution body structure, be respectively from top to bottom first, second and third and quadravalence bench, wherein the diameter of first and second and three ladder sections once increases, and the diameter of quadravalence bench is slightly less than second-order bench, first and the outer surface of quadravalence bench be provided with screw thread.
Described back-moving spring one end is against on the outer surface of push rod cup, and the other end is against on sealing gasket admittedly.
Described push rod body surface is provided with projecting block, and push rod draught animals end is provided with the reducing of carrying out axial limiting with projecting block.
The surface of described movable contact spring is provided with the hole corresponding with binding post tail end external diameter size, and binding post passes movable contact spring by hole and is against static contact surface.
Described static contact is two, and is horizontally set on respectively in the same level on side of movable contact spring holder nail, and does not touch with movable contact spring holder nail joint.
In use, only need to make it movable contact spring holder nail upwards promote by push-rod assembly, movable contact spring and static contact are disconnected reliably, the push rod that then comes loose, under the effect of back-moving spring, push-rod assembly is got back to initial position.
The phenomenon of the loose contact that the utility model can effectively be avoided contact and causes because of friction, thereby ensured the transmission of signal, and also can well prevent extraneous greasy dirt, impurity or moisture invades innerly, and then causes the situation of switch failure, and simple in structure, easy to assembly.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the overall structure schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation of the utility model push-rod assembly.
Fig. 3 is the structural representation of the utility model contact assembly and end-cap assembly.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of normally closed type Reverse lamp switch, comprise shell 1, form the end-cap assembly 4 of seal cavity with shell 1, be located at the contact assembly 3 of enclosure space inside, the push-rod assembly 2 offseting with contact assembly 3, described shell 1 is tightly connected with end-cap assembly 4, contact assembly 3 is arranged at the inner wall surface of the shell 1 inside seal cavity and offsets with end-cap assembly 4, between contact assembly 3 and shell 1 inwall, be provided with sealing gasket 5, push-rod assembly 2 is located in seal cavity and is offseted with conflict chip module 3, between push-rod assembly 2 and contact assembly 3, be provided with back-moving spring 6, back-moving spring 6 one end are against on the outer surface of push rod cup 22, the other end is against on sealing gasket 5 admittedly, and push-rod assembly 2 can promote contact assembly 3 in the inner slip of seal cavity, shell 1 is four-part form solution body structure, be respectively from top to bottom first, second and third and quadravalence bench, wherein the diameter of first and second and three ladder sections once increases, and the diameter of quadravalence bench is slightly less than second-order bench, first and the outer surface of quadravalence bench be provided with screw thread.
As shown in Figure 2, push-rod assembly 2 is made up of push rod 21, push rod cup 22 and push rod spring 23, push rod cup 22 is enclosed within the tip of push rod 21, the other end of push rod 21 is exposed at outside seal cavity, push rod 21 body surfaces are provided with projecting block 24,22 mouthfuls of ends of push rod cup are provided with the reducing 25 of carrying out axial limiting with projecting block 24, and the inner chamber of the inner chamber of push rod 21 and push rod cup 22 between be fixed with push rod spring 23.
As shown in Figure 3, described end-cap assembly 4 is made up of end cap 41, binding post 42 and static contact 43, end cap 41 is fixed on outer cover body, the surface of end cap 41 bodies is provided with side by side and is symmetrical hole, binding post 42 passes and is fixed on the inside, hole from hole, and binding post 42 one end are exposed at outside seal cavity, the other end is in the inside of seal cavity, and static contact 43 is fixed on one end that end cap 41 inner wall surface and binding post 42 be arranged at seal cavity and offsets.
Described contact assembly 3 is by movable contact spring 31, positioning sleeve 32 and movable contact spring holder nail 33 compositions, positioning sleeve 32 is fixed on the inner wall surface of shell 1 and offsets with end cap 41, the direction of movable contact spring holder nail 33 along shell 1 to end cap 41 is through positioning sleeve 32, movable contact spring 31 is arranged on the tip of movable contact spring holder nail 33, movable contact spring 31 faces are provided with the hole corresponding with binding post 42 sizes, binding post 42 passes movable contact spring 31 by hole and is against static contact 43 surfaces, static contact 43 is two, and be horizontally set on respectively in the same level on side of movable contact spring holder nail 33, and do not contact with movable contact spring holder nail 33.
In use, only need to make it movable contact spring holder nail 33 upwards promote by push-rod assembly 2, movable contact spring 31 and static contact 43 are disconnected reliably, the push rod 21 that then comes loose, under the effect of back-moving spring 6, push-rod assembly 2 is got back to initial position.
The phenomenon of the loose contact that the utility model has effectively been avoided in use contact and caused because of friction, thereby ensured the transmission of signal, and also can well prevent extraneous greasy dirt, impurity or moisture invades innerly, and then causes the situation of switch failure, and simple in structure, easy to assembly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a normally closed type Reverse lamp switch, comprise shell, end-cap assembly with shell formation seal cavity, be located at the contact assembly of enclosure space inside, the push-rod assembly offseting with contact assembly, it is characterized in that: described shell and end-cap assembly are tightly connected, contact assembly is arranged at the inner wall surface of the shell inside seal cavity and offsets with end-cap assembly, and be provided with sealing gasket between contact assembly and outer casing inner wall, push-rod assembly is located in seal cavity and is offseted with conflict chip module, between push-rod assembly and contact assembly, be provided with back-moving spring, and push-rod assembly can promote contact assembly in the inner slip of seal cavity.
2. a kind of normally closed type Reverse lamp switch according to claim 1, it is characterized in that: described end-cap assembly is made up of end cap, binding post and static contact, end cap is fixed on outer cover body, the surface of end cap body is provided with side by side and is symmetrical hole, binding post passes and is fixed on the inside, hole from hole, and one end of binding post is exposed at outside seal cavity, other end end is in the inside of seal cavity, and static contact is fixed on one end that end cap inner wall surface and binding post be arranged at seal cavity inside and offsets.
3. a kind of normally closed type Reverse lamp switch according to claim 1, it is characterized in that: described contact assembly is made up of movable contact spring, positioning sleeve and movable contact spring holder nail, positioning sleeve is fixed on the inner wall surface of shell and offsets with end cap, the direction that movable contact spring holder is followed closely along shell to end cap is passed positioning sleeve, and movable contact spring is arranged on the tip of movable contact spring holder nail.
4. a kind of normally closed type Reverse lamp switch according to claim 1, it is characterized in that: described push-rod assembly is made up of push rod, push rod cup and push rod spring, push rod cup is enclosed within one end of push rod, the other end of push rod is exposed at outside seal cavity, and the inner chamber of push rod and the inner chamber of push rod cup between be fixed with push rod spring.
5. a kind of normally closed type Reverse lamp switch according to claim 1, it is characterized in that: described shell is four-part form solution body structure, be respectively from top to bottom first, second and third and quadravalence bench, wherein the diameter of first and second and three ladder sections once increases, the diameter of quadravalence bench is slightly less than second-order bench, and first and the outer surface of quadravalence bench be provided with screw thread.
6. according to a kind of normally closed type Reverse lamp switch described in claim 1 or 3 or 4, it is characterized in that: described back-moving spring one end is against on the outer surface of push rod cup, and the other end is against on sealing gasket admittedly.
7. a kind of normally closed type Reverse lamp switch according to claim 1 and 2, is characterized in that: described end cap is inverted peviform structure.
8. a kind of normally closed type Reverse lamp switch according to claim 3, is characterized in that: the surface of described movable contact spring is provided with the hole corresponding with binding post tail end external diameter size, and binding post passes movable contact spring by hole and is against static contact surface.
9. a kind of normally closed type Reverse lamp switch according to claim 2, is characterized in that: described static contact is two, and is horizontally set on respectively in the same level on side of movable contact spring holder nail, and does not touch with movable contact spring holder nail joint.
10. a kind of normally closed type Reverse lamp switch according to claim 1, is characterized in that: described push rod body surface is provided with projecting block, push rod draught animals end is provided with the reducing of carrying out axial limiting with projecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256599.0U CN204011131U (en) | 2014-05-20 | 2014-05-20 | Normally closed type Reverse lamp switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256599.0U CN204011131U (en) | 2014-05-20 | 2014-05-20 | Normally closed type Reverse lamp switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011131U true CN204011131U (en) | 2014-12-10 |
Family
ID=52051094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256599.0U Expired - Fee Related CN204011131U (en) | 2014-05-20 | 2014-05-20 | Normally closed type Reverse lamp switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011131U (en) |
-
2014
- 2014-05-20 CN CN201420256599.0U patent/CN204011131U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204011132U (en) | Reverse lamp switch | |
| CN204088660U (en) | A kind of big current contact | |
| CN204011131U (en) | Normally closed type Reverse lamp switch | |
| CN206067880U (en) | Drag link dustproof construction assembly | |
| JP2014007116A5 (en) | ||
| CN203553419U (en) | Spring needle rectangular connector | |
| CN204141073U (en) | A kind of submerged pump cable sealing structure | |
| CN203127381U (en) | Vacuum cover and vacuum container | |
| CN205478877U (en) | Spherical joint hinge | |
| CN207995582U (en) | A kind of electric elements sealing structure | |
| CN206370739U (en) | The waterproof structure for motor of electronic strut | |
| CN204433079U (en) | The quick coupling of a kind of double-layer folding formula plane draw bar | |
| CN205752749U (en) | A kind of waterproof electrical connector | |
| CN205106736U (en) | Inclined plane seal positioning mechanism | |
| CN203386987U (en) | Vibration-proof connector structure | |
| CN204011938U (en) | A kind of network panel | |
| CN203633022U (en) | Sealed threading plate | |
| CN203135038U (en) | Contact element structure of wire spring hole structure | |
| CN204289869U (en) | Waterproof sealing bolt | |
| CN204300071U (en) | The rivet of riveting with metalwork for rubber parts and the gate controlled switch adopting this rivet | |
| CN203423288U (en) | Socket insertion sleeve structure | |
| CN203850219U (en) | Relay pin | |
| CN204304709U (en) | A kind of electric machine controller of flexible glue sealing | |
| CN205565006U (en) | Copper aluminium terminal | |
| CN203218606U (en) | Plug with solid joint inserted link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210520 |