CN217955706U - Insulation type active wire harness switch - Google Patents
Insulation type active wire harness switch Download PDFInfo
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- CN217955706U CN217955706U CN202221853597.0U CN202221853597U CN217955706U CN 217955706 U CN217955706 U CN 217955706U CN 202221853597 U CN202221853597 U CN 202221853597U CN 217955706 U CN217955706 U CN 217955706U
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- push rod
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- metal sheet
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Abstract
The utility model discloses an insulating formula initiative type pencil switch belongs to the switch technology field. The box mainly comprises a box body consisting of an upper shell and a lower shell, wherein a push rod is arranged in the lower shell, and an active metal sheet and a passive metal sheet which are arranged in opposite directions are also arranged in the lower shell; the active metal sheet comprises a first fixed connecting section and an elastic bending section; the passive metal sheet comprises a second fixed connecting section and a contact sheet, the contact sheet and the elastic bending section are arranged oppositely, and the elastic bending section can keep contact with the contact sheet by utilizing self deformation; the tail end of the push rod is fixedly provided with an insulator which can be inserted between the contact piece and the elastic bending section. The utility model provides a pencil switch project organization based on "active" design theory reduces the wearing and tearing phenomenon by a wide margin, effectively improves the durability and the life of product, can extensively popularize and apply in pencil switch technical field.
Description
Technical Field
The utility model belongs to the technical field of the switch, specifically speaking especially relates to an insulating formula initiative type pencil switch based on "active" design theory, difficult wearing and tearing, durability are strong, long service life.
Background
The wire harness switch is a circuit switch mainly used on a gas valve, and a push rod of the wire harness switch is fixed on a valve rod of the gas valve and keeps synchronous action with the valve rod. In other words, when the valve stem is depressed, the push-rod linkage is depressed, and when the valve stem is reset, the push-rod linkage is reset.
The applicant has applied 2016.08.31 a chinese patent with the patent name "a wire harness switch", the structure of the wire harness switch disclosed in this patent document is the structure of a traditional wire harness switch, the traditional wire harness switch can be understood as a structure based on the design concept of "passive", which mainly includes a "box body, two parallel elastic conductive sheets are arranged in the box body, the elastic conductive sheets are respectively connected with wires, one end of each elastic conductive sheet is fixed with the box body, the other end is a free end, a push rod is arranged on the top upper side of the free end, the push rod is connected with the box body in a sliding manner, the end surface of the push rod corresponding to the free end of the elastic conductive sheet is set to be an oblique section, the oblique section moves towards the elastic conductive sheets to extrude and communicate one of the elastic conductive sheets to one side of the other elastic conductive sheet, the oblique section leaves the elastic conductive sheets, the two elastic conductive sheets are separated after being restored, the included angle between the oblique section and the horizontal plane is 45 °", when the working process is "the working, the wires are firstly communicated with an external device, then the push rod is pressed, the push rod drives the oblique section to move downwards while driving the oblique section to drive the oblique section to move downwards, the free end of one of the elastic conductive sheet to return to the elastic conductive sheet to the open circuit, thereby form an elastic return circuit when the elastic sheet is contacted with the open circuit, the push rod, thereby forming an elastic circuit, the elastic circuit, and the elastic sheet, thereby forming a circuit.
The so-called "passive" design concept is mainly embodied in that: the metal sheet (active metal sheet) with a moving position needs to be electrically conducted with the metal sheet (passive metal sheet) with a fixed position under the action of external force.
Every use of traditional pencil switch, the oblique cross-section of push rod all will go to extrude elastic conducting strip free end, and elastic conducting strip sets up to standing, and at the extruded in-process, the power that elastic conducting strip lateral wall was used on the push rod oblique cross-section has the part to be the shearing force, will find after using certain frequency that push rod oblique cross-section wearing and tearing are very serious, and initiative sheetmetal can not well contact with passive sheetmetal, can appear the insensitive phenomenon of pencil switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an not enough to prior art exists, provide one kind based on "active" design theory, difficult wearing and tearing, durability is strong, long service life's insulating formula initiative type pencil switch.
The utility model discloses a realize through following technical scheme:
an insulation active wire harness switch comprises a box body consisting of an upper shell and a lower shell, wherein a push rod is arranged in the lower shell in a sliding connection mode, and an active metal sheet and a passive metal sheet which are arranged in opposite directions are further arranged in the lower shell;
the active metal sheet comprises a first fixed connecting section and an elastic bending section integrated with the first fixed connecting section, and the active metal sheet is fixedly connected with the lower shell through the first fixed connecting section;
the passive metal sheet comprises a second fixed connecting section and a contact sheet integrated with the second fixed connecting section, the contact sheet is arranged opposite to the elastic bending section, and the elastic bending section can keep contact with the contact sheet by utilizing self deformation;
and an insulator capable of being inserted between the contact piece and the elastic bending section is fixedly arranged at the tail end of the push rod.
Preferably, the insulator comprises an insulating support table and an insulating sheet body which is arranged at the free end of the insulating support table and is in a slope shape.
Preferably, the insulation sheet body and the insulation support platform are formed into a whole by adopting an injection molding process.
Preferably, a clearance space convenient for extrusion is reserved between the contact piece of the passive metal sheet and the inner wall of the lower shell.
Preferably, the lower shell is provided with a push rod groove, and a sliding body of the push rod slides up and down along the push rod groove; the sliding body is of a hollow structure, and an elastic body for driving the push rod to move upwards is arranged between the upper inner wall of the sliding body and the bottom surface of the lower shell; the insulator is fixed at the end position of the sliding body.
Preferably, the elastic body is a compression spring.
Preferably, the bottom surface of the lower shell is further provided with a guide post which is sleeved in the elastic body and prevents the elastic body from deviating.
Preferably, the upper shell and the lower shell are fixedly connected in a mode that a clamping groove is matched with a buckle.
Preferably, the first fixed connection section and the second fixed connection section are respectively and electrically connected with a lead electrically connected with an external circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pencil switch design structure based on "active" design theory, in other words, under no exogenic action, the initiative sheetmetal contacts and forms electrical continuity with passive sheetmetal through self deformation, only under exogenic intervention, the initiative sheetmetal can not contact with passive sheetmetal; the utility model avoids the phenomenon of shearing force generated by the active metal sheet in the process of extruding the active metal sheet, thereby greatly reducing the abrasion phenomenon and effectively improving the durability and the service life of the product;
the utility model discloses the practicality is strong, and it is also easy to manufacture and implement, can extensively popularize and apply in pencil switch technical field.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the top view of the present invention;
fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 4 according to the present invention;
FIG. 5 is a schematic structural view of the present invention after the upper case is hidden;
fig. 6 is a schematic view of the structure of the active metal sheet, the passive metal sheet and the push rod of the present invention.
In the figure: 1. a box body; 11. an upper housing; 12. a lower housing; 121. a push rod groove; 122. a guide post; 2. a push rod; 22. a sliding body; 23. an elastomer; 31. a card slot; 32. buckling; 4. an active metal sheet; 41. a first fixed connecting section; 42. an elastic bending section; 5. a passive metal sheet; 51. a second fixed connecting section; 52. a contact piece; 6. an insulator; 61. an insulating support table; 62. an insulating sheet body; 7. a clearance space.
Detailed Description
The present invention is further described with reference to the accompanying drawings:
in order to make the reader understand the design spirit of the present invention better, the technical solution of the present invention will be further described and explained with reference to the embodiments. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, back" and the like, and these terms are intended to correspond to the visual orientations shown in the drawings, and should not be construed as limiting the scope or spirit of the present invention, but are merely intended to facilitate those skilled in the art to better understand the technical solutions of the present invention.
In the description of the present specification, it should be noted that the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1:
an insulation active wire harness switch comprises a box body 1 consisting of an upper shell 11 and a lower shell 12, wherein the upper shell 11 and the lower shell 12 are fixedly connected in a mode that a clamping groove 31 is matched with a buckle 32. A push rod 2 is arranged in the lower shell 12 and is connected with the lower shell in a sliding way, and an active metal sheet 4 and a passive metal sheet 5 which are arranged oppositely are also arranged in the lower shell 12. The active metal sheet 4 comprises a first fixed connection section 41 and an elastic bending section 42 integrated with the first fixed connection section 41, and the active metal sheet 4 is fixedly connected with the lower shell 12 through the first fixed connection section 41; the passive metal sheet 5 comprises a second fixed connecting section 51 and a contact sheet 52 integrated with the second fixed connecting section 51, the passive metal sheet 5 is fixedly connected with the lower shell 12 through the second fixed connecting section 51, the contact sheet 52 is arranged opposite to the elastic bending section 42, and the elastic bending section 42 can keep contact with the contact sheet 52 by utilizing self deformation; the end position of the push rod 2 is fixedly provided with an insulator 6 which can be inserted between the contact piece 52 and the elastic bending section 42.
The wire harness switch is a circuit switch mainly used on a gas valve, and a push rod of the wire harness switch is fixed on a valve rod of the gas valve and keeps synchronous action with the valve rod. In other words, when the valve stem is depressed, the push-rod linkage is depressed, and when the valve stem is reset, the push-rod linkage is reset. In the initial state, the insulator 6 on the push rod is inserted between the contact piece 52 and the elastic bending section 42, and at this time, the contact piece 52 is not in contact with the elastic bending section 42.
In an actual use scene, the first fixed connection section 41 and the second fixed connection section 51 are respectively electrically connected with a lead electrically connected with an external circuit. That is, the first fixed connection section 41 is fixed to the first lead wire electrically connected therewith; the second fixed connecting end 51 is fixedly clamped with a second lead wire electrically connected with the second fixed connecting end, and the first lead wire and the second lead wire are connected with an external circuit to form a loop.
When the push rod is pressed, the insulator 6 fixed on the push rod moves downwards until the contact piece 52 contacts with the elastic bending section 42. Because the elastic bending section 42 has the deformation capability, when the insulator 6 is no longer dry, the elastic bending section 42 will approach and contact the contact piece 52 under the self deformation. After the contact piece 52 contacts with the elastic bending section 42, a loop formed by the first lead, the second lead and the external circuit is conducted. The push rod is pressed down to synchronize the valve rod of the gas valve, and the valve rod of the gas valve is reset to drive the push rod to reset.
When the push rod is not pressed down, the insulator is always clamped between the elastic bending section 42 and the contact piece 52, so that the whole loop is in an open circuit state.
In other words, under the action of no external force, the active metal sheet is contacted with the passive metal sheet through self deformation to form electrical conduction, and only under the intervention of the external force, the active metal sheet is not contacted with the passive metal sheet; the embodiment avoids the phenomenon of shearing force generated by the active metal sheet in the process of extruding the active metal sheet, thereby greatly reducing the abrasion phenomenon, effectively improving the durability of the product and prolonging the service life of the product;
the practical performance of this embodiment is strong, and it is also easy to manufacture and implement, can extensively popularize and apply in pencil switch technical field.
Example 2:
on the basis of embodiment 1, the present invention will be described in detail with reference to the technical features and functions thereof, so as to help those skilled in the art to fully understand the technical solution of the present invention and reproduce the same.
An insulation active wire harness switch comprises a box body 1 consisting of an upper shell 11 and a lower shell 12, wherein the upper shell 11 and the lower shell 12 are fixedly connected in a mode that a clamping groove 31 is matched with a buckle 32. A push rod 2 is arranged in the lower shell 12 and is connected with the lower shell in a sliding way, and an active metal sheet 4 and a passive metal sheet 5 which are arranged oppositely are also arranged in the lower shell 12. The active metal sheet 4 comprises a first fixed connection section 41 and an elastic bending section 42 integrated with the first fixed connection section 41, and the active metal sheet 4 is fixedly connected with the lower shell 12 through the first fixed connection section 41; the passive metal sheet 5 comprises a second fixed connecting section 51 and a contact sheet 52 integrated with the second fixed connecting section 51, the contact sheet 52 is arranged opposite to the elastic bending section 42, and the elastic bending section 42 can keep contact with the contact sheet 52 by utilizing self deformation; the end position of the push rod 2 is fixedly provided with an insulator 6 which can be inserted between the contact piece 52 and the elastic bending section 42. The lower shell 12 is provided with a push rod groove 121, the sliding body 22 of the push rod 2 slides up and down along the push rod groove 121, and the insulator 6 is fixed at the tail end position of the sliding body 22; the sliding body 22 is a hollow structure, an elastic body 23 for driving the push rod 2 to move upward is arranged between the upper inner wall of the sliding body 22 and the bottom surface of the lower shell 12, and the elastic body 23 is a compression spring. The bottom surface of the lower housing 12 of this embodiment is further provided with a guide post 122 which is sleeved in the elastic body 23 and prevents the elastic body 23 from deviating.
The wire harness switch is a circuit switch mainly used on a gas valve, and a push rod of the wire harness switch is fixed on a valve rod of the gas valve and keeps synchronous action with the valve rod. In other words, when the valve stem is depressed, the push-rod linkage is depressed, and when the valve stem is reset, the push-rod linkage is reset. In the initial state, the insulator 6 on the push rod is inserted between the contact piece 52 and the elastic bending section 42, and at this time, the contact piece 52 is not in contact with the elastic bending section 42.
Specifically, the insulator 6 includes an insulating support 61, and an insulating sheet 62 provided at a free end of the insulating support 61 and having a slope shape. The insulating sheet 62 and the insulating support 61 are formed as a single unit by injection molding.
The gap space 7 for facilitating the pressing is reserved between the contact piece 52 of the passive metal sheet 5 and the inner wall of the lower shell 12 in the present embodiment. Elastic deformation's of the section 42 of bending of elasticity effort is bigger, when the push rod needs to reset, need overcome great power and just can alternate between the section 42 of bending of elasticity and contact piece 52, and certain clearance space 7 is ingeniously reserved to this embodiment, extrudes contact piece 52 like this and extrudes the section 42 of bending of elasticity and will relax many, further reduces the wearing and tearing of sheetmetal to insulating piece body 62.
In an actual use scene, the first fixed connection section 41 and the second fixed connection section 51 are respectively electrically connected with a lead electrically connected with an external circuit. That is, the first fixed connection section 41 is fixed to the first lead wire electrically connected therewith; the second fixed connection end 51 is fixedly clamped with a second lead electrically connected with the second fixed connection end, and the first lead and the second lead are connected with an external circuit to form a loop.
When the push rod is pressed, the insulator 6 fixed on the push rod moves downwards until the contact piece 52 contacts with the elastic bending section 42. Because the elastic bending section 42 has the deformation capability, when the insulator 6 is no longer dry, the elastic bending section 42 will approach and contact the contact piece 52 under the self deformation. After the contact piece 52 contacts with the elastic bending section 42, a loop formed by the first lead, the second lead and the external circuit is conducted. The push rod is pressed down to synchronize the valve rod of the gas valve, the valve rod of the gas valve is reset to drive the push rod to reset, and the elastic body in the push rod can also play a certain reset role in the process.
When the push rod is not pressed down, the insulator is always clamped between the elastic bending section 42 and the contact piece 52, so that the whole circuit is in an open circuit state.
In other words, under the action of no external force, the active metal sheet is contacted with the passive metal sheet through self deformation to form electrical conduction, and only under the intervention of the external force, the active metal sheet is not contacted with the passive metal sheet; the embodiment avoids the phenomenon of shearing force generated by the active metal sheet in the process of extruding the active metal sheet, thereby greatly reducing the abrasion phenomenon, effectively improving the durability of the product and prolonging the service life of the product;
the practical performance of this embodiment is strong, and it is also easy to implement to produce manufacturing, can extensively popularize and apply in pencil switch technical field.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an insulating formula initiative type pencil switch, includes the box body that constitutes by last casing and lower casing, the internal sliding connection push rod that is equipped with it of inferior valve, its characterized in that: the lower shell is also internally provided with two driving metal sheets and two driven metal sheets which are oppositely arranged;
the active metal sheet comprises a first fixed connecting section and an elastic bending section integrated with the first fixed connecting section, and the active metal sheet is fixedly connected with the lower shell through the first fixed connecting section;
the passive metal sheet comprises a second fixed connecting section and a contact sheet integrated with the second fixed connecting section, the contact sheet is arranged opposite to the elastic bending section, and the elastic bending section can keep contact with the contact sheet by utilizing self deformation;
and an insulator capable of being inserted between the contact piece and the elastic bending section is fixedly arranged at the tail end of the push rod.
2. An insulated active type wire harness switch according to claim 1, wherein: the insulator comprises an insulating supporting table and an insulating sheet body which is arranged at the free end of the insulating supporting table and is in a slope shape.
3. An insulated active type wire harness switch according to claim 2, wherein: the insulating sheet body and the insulating supporting table are integrated into a whole by adopting an injection molding process.
4. An insulated active type wire harness switch according to claim 1, wherein: a gap space convenient for extrusion is reserved between the contact piece of the passive metal sheet and the inner wall of the lower shell.
5. An insulated active type wire harness switch according to claim 1, wherein: the lower shell is provided with a push rod groove, and a sliding body of the push rod slides up and down along the push rod groove; the sliding body is of a hollow structure, and an elastic body for driving the push rod to move upwards is arranged between the upper inner wall of the sliding body and the bottom surface of the lower shell; the insulator is fixed at the end position of the sliding body.
6. An insulated active type wire harness switch according to claim 5, wherein: the elastic body is a compression spring.
7. An insulated active type wire harness switch according to claim 6, wherein: the bottom surface of the lower shell is also provided with a guide post which is sleeved in the elastic body and used for preventing the elastic body from deviating.
8. An insulated active type wire harness switch according to claim 1, wherein: the upper shell and the lower shell are fixedly connected in a mode that a clamping groove is matched with a buckle.
9. An insulated active type wire harness switch according to claim 1, wherein: and the first fixed connection section and the second fixed connection section are respectively and electrically connected with a lead electrically connected with an external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221853597.0U CN217955706U (en) | 2022-07-18 | 2022-07-18 | Insulation type active wire harness switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221853597.0U CN217955706U (en) | 2022-07-18 | 2022-07-18 | Insulation type active wire harness switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217955706U true CN217955706U (en) | 2022-12-02 |
Family
ID=84223475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221853597.0U Active CN217955706U (en) | 2022-07-18 | 2022-07-18 | Insulation type active wire harness switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217955706U (en) |
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2022
- 2022-07-18 CN CN202221853597.0U patent/CN217955706U/en active Active
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