CN213845163U - Novel electromagnetic type power master switch - Google Patents
Novel electromagnetic type power master switch Download PDFInfo
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- CN213845163U CN213845163U CN202023276878.8U CN202023276878U CN213845163U CN 213845163 U CN213845163 U CN 213845163U CN 202023276878 U CN202023276878 U CN 202023276878U CN 213845163 U CN213845163 U CN 213845163U
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- lower cover
- shell
- edge
- master switch
- electromagnetic
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Abstract
The utility model relates to a novel electromagnetic type power supply main switch, which comprises a shell, wherein an electromagnetic control assembly is arranged in the shell, a wiring port for supplying power to the electromagnetic control assembly is arranged outside the shell, a contact pin extending to the inside of the shell is arranged in the wiring port, the electromagnetic control assembly is provided with a circuit board and is also connected with a wiring mechanism, the shell is connected with a lower cover through a screw, a sealing ring is arranged between the shell and the lower cover, the contact pin penetrates through the shell, and the joint of the contact pin in the shell is connected with the circuit board through a connecting wire, the edge part of the lower cover is provided with a lower cover edge, the thickness of the lower cover edge is less than that of the lower cover, the lower cover edge is arranged in the middle of the side surface of the lower cover, a step structure is formed between the lower cover and the side surface of the lower cover, and a groove is formed among the lower cover, the lower cover edge and the shell; the utility model has the advantages of sealing performance is better, long service life and electrically conductive reliability.
Description
Technical Field
The utility model belongs to the technical field of, concretely relates to novel electromagnetic type power master switch.
Background
The electric system is one of essential components in modern automobiles, a power supply main switch plays a role in switching on or off a power supply of the whole automobile and preventing short circuit or electric leakage, and is a key device for ensuring the safety of the electric system of the whole automobile.
Traditional electromagnetic power switch is equipped with iron core subassembly and on-off mechanism including the compound shell that is equipped with the metal inner shell in the compound shell, and iron core subassembly includes coil, quiet iron core and moves the iron core, and the coil winding is on the sleeve of an "worker" shape, and the coil connection is used for the conductor wire of giving the coil circular telegram. The conductor wire runs through compound shell and extends to the outside of compound shell, and quiet iron core is established in metal sleeve with moving the iron core, is equipped with the magnetic conduction piece of strengthening the magnetic flux at metal sleeve's upper and lower terminal surface, inlays in the quiet iron core and is equipped with the ejector pin that can move about from top to bottom, and the upper portion of ejector pin is equipped with electrically conductive contact piece, is equipped with reset spring between the end cover of ejector pin upper end and shell, is fixed with two terminals on the end cover, and the lower extreme embedding of terminal cooperatees with the contact piece in the shell.
The patent number is CN201721020973.7, the patent name is the disclosure material of the electromagnetic power main switch, and by analyzing the disclosure material, the circuit board is connected with the contact pin through the inner connecting plate, namely the connecting lead on the circuit board is electrified after being contacted with the inner connecting plate, and after the structure is used for a long time, the elasticity is weakened and the contact is poor; in addition, although a sealing groove is arranged between the lower cover and the shell and a sealing ring is arranged in the sealing groove, the sealing structure has the defects that a gap is still left, and external dust can enter the shell through the gap to influence the operation of the switch; in view of these disadvantages, there is a need to develop a novel electromagnetic power main switch with better sealing performance, long service life and reliable conduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a sealing performance is better, long service life and electrically conductive reliability's novel electromagnetic type power master switch.
The purpose of the utility model is realized like this: a novel electromagnetic type power supply main switch comprises a shell, wherein an electromagnetic control assembly is arranged in the shell, a wiring port for supplying power to the electromagnetic control assembly is arranged outside the shell, a contact pin extending to the inside of the shell is arranged in the wiring port, the electromagnetic control assembly is provided with a circuit board and is also connected with a wiring mechanism, the shell is connected with a lower cover through a screw, a sealing ring is arranged between the shell and the lower cover, the contact pin penetrates through the shell, and the joint of the contact pin in the shell is connected with the circuit board through a connecting wire, the edge part of the lower cover is provided with a lower cover edge, the thickness of the lower cover edge is less than that of the lower cover, the lower cover edge is arranged in the middle of the side surface of the lower cover, and a step structure is formed between the lower cover and the side surface of the lower cover, and a groove is formed among the lower cover, the lower cover edge and the shell.
The opening end face of the shell is flush with the outer end face of the lower cover.
And the side surface of the lower cover edge is provided with a protruding strip, and the protruding strip is arranged on the side surface contacted with the sealing ring.
The protruding strips and the lower cover edge are integrally formed, and the cross section of the protruding strips and the cross section of the lower cover edge in the direction perpendicular to the axis are arc-shaped.
The cross-sectional shape of recess is one end open-ended rectangle, and the sealed glue of jar in the recess.
The lower cover edge and the lower cover are integrally formed, and the lower cover edge is formed by enabling the thickness of the edge part of the lower cover to be smaller than that of the middle part of the lower cover.
One end of the connecting wire is connected with the contact pin in a welding mode, and the other end of the connecting wire is connected with the wiring end on the circuit board.
The utility model has the advantages that: the utility model has the advantages that the hard connection between the connecting lead and the inner connecting plate is improved into the connection of the lead structure, namely the connecting lead in the application, and the connecting lead has the advantages that the good conductivity is still kept after long-time use, and the situation of elasticity weakening is avoided; in addition, a lower cover edge is designed, a groove is formed among the lower cover edge, the lower cover and the shell, sealant is filled into the groove, the sealant can fill the gap, the sealing effect is better, and other beneficial effects are detailed in the specific embodiment.
Drawings
Fig. 1 is a front view of the electromagnetic power main switch of the present invention.
Fig. 2 is a disassembled structure view of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 with the outer shell removed.
Fig. 4 is a front view of fig. 1.
Fig. 5 is a cross-sectional view a-a of fig. 4.
Fig. 6 is a partially enlarged view of fig. 5.
Fig. 7 is a schematic structural view of the lower cover of fig. 1.
In the figure: 1. a housing; 2. a lower cover; 3. a screw; 4. a groove; 5. an electromagnetic control assembly; 6. a wiring mechanism; 7. a circuit board; 8. connecting a lead; 9. a wiring port; 10. a lower cover edge; 11. a seal ring; 12. and (4) protruding strips.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein are for the purpose of describing particular embodiments only and are not intended to be limiting of the invention, and terms such as "and/or" as used herein include any and all combinations of one or more of the associated listed items; furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1-7, a novel electromagnetic power master switch comprises a housing 1, an electromagnetic control assembly 5 is arranged in the housing, a wiring port 9 for supplying power to the electromagnetic control assembly 5 is arranged outside the housing, a contact pin extending into the housing is arranged in the wiring port 9, a circuit board 7 is arranged on the electromagnetic control assembly 5, the electromagnetic control assembly 5 is further connected with a wiring mechanism 6, the housing 1 is connected with a lower cover 2 through a screw 3, a sealing ring 11 is arranged between the housing 1 and the lower cover 2, the contact pin penetrates through the housing 1, a connector on the contact pin in the housing 1 is connected with the circuit board 7 through a connecting wire 8, a lower cover edge 10 is arranged on an edge portion of the lower cover 2, the thickness of the lower cover edge 10 is smaller than that of the lower cover 2, and the lower cover edge 10 is arranged at the middle position of the side of the lower cover 2, form the stair structure between the side with lower cover 2, form recess 4 between lower cover 2, lower cover limit 10 and the shell 1, parallel and level between the outer terminal surface of the opening terminal surface of shell 1 and lower cover 2, be provided with protruding strip on the side of lower cover limit 10, protruding strip sets up the side with 11 contacts of sealing washer, integrated into one piece between protruding strip and the lower cover limit 10, and along being arc with axis vertical direction's cross sectional shape, the cross sectional shape of recess 4 is one end open-ended rectangle, and can sealed glue in recess 4, integrated into one piece between lower cover limit 10 and the lower cover 2, lower cover limit 10 is less than that the middle part thickness of lower cover 2 forms for the limit portion thickness of lower cover 2, connecting wire 8 is through the terminal on welded mode one end connecting pin, the wiring end on the circuit board 7.
Improved in two places in this embodiment, with the elastic connection between circuit board 7 and the inner connecting plate, change connecting wire 8 into and connect, connecting wire 8 in this application is the circuit, and connecting wire 8's both ends are respectively through the welding, connecting pin and circuit board 7, and this kind of improvement scheme has solved the long-time problem that leads to contact failure that opens and shuts of electromagnetic switch, can improve the reliability of connecting between the circuit.
The other improvement is the improvement of the structure of the lower cover 2, the edge part of the lower cover 2 is provided with a lower cover edge 10, the thickness of the lower cover edge 10 is designed to be smaller than the thickness of the middle part of the lower cover 2, in addition, the lower cover edge 10 is arranged at the middle position of the side surface, a step structure is formed between the lower cover edge and the bottom surface of the lower cover 2, namely a groove 4 shown in the figure, the groove 4 is formed by enclosing the lower cover 2, the lower cover edge 10 and the shell 1, after the shell 1 and the lower cover 2 are fixed through the screw 3, sealant can be filled in the groove 4, the gap is further plugged, and the sealing performance is improved.
In addition, the protruding strip is arranged on the side surface of the lower cover edge 10, the cross section of the protruding strip is of an arc-shaped structure, the movement of the sealing ring 11 is prevented, the sealing performance is improved, and the protruding strip and the lower cover edge 10 are integrally formed.
The present invention is further described in the detailed description, rather than in the limited form thereof, and it will be obvious to those skilled in the art that changes may be made in the structure without departing from the spirit and scope of the invention, and it is intended that all such changes be covered by the appended claims.
Claims (7)
1. The utility model provides a novel electromagnetic type power master switch, it includes the shell, be provided with the electromagnetic control assembly in the shell, the shell outside is provided with the wiring mouth that is used for supplying power for the electromagnetic control assembly, be provided with the contact pin that extends to the shell inside in the wiring mouth, be provided with the circuit board on the electromagnetic control assembly, the electromagnetic control assembly still is connected with wiring mechanism, the shell has the lower cover through screwed connection, be provided with sealing washer, its characterized in that between shell and the lower cover: the contact pin runs through the shell, and the joint in the shell on the contact pin passes through connecting wire and links to each other with the circuit board, the limit portion of lower cover is provided with the lower cover limit, the thickness on lower cover limit is less than the thickness of lower cover, and the lower cover limit sets up the middle part position in the lower cover side, and forms the stair structure between the side of lower cover, form the recess between lower cover, lower cover limit and the shell.
2. The electromagnetic power master switch of claim 1, wherein: the opening end face of the shell is flush with the outer end face of the lower cover.
3. The electromagnetic power master switch of claim 1, wherein: and the side surface of the lower cover edge is provided with a protruding strip, and the protruding strip is arranged on the side surface contacted with the sealing ring.
4. A novel electromagnetic power master switch as claimed in claim 3, wherein: the protruding strips and the lower cover edge are integrally formed, and the cross section of the protruding strips and the cross section of the lower cover edge in the direction perpendicular to the axis are arc-shaped.
5. The electromagnetic power master switch of claim 1, wherein: the cross-sectional shape of recess is one end open-ended rectangle, and the sealed glue of jar in the recess.
6. The electromagnetic power master switch of claim 1, wherein: the lower cover edge and the lower cover are integrally formed, and the lower cover edge is formed by enabling the thickness of the edge part of the lower cover to be smaller than that of the middle part of the lower cover.
7. The electromagnetic power master switch of claim 1, wherein: one end of the connecting wire is connected with the contact pin in a welding mode, and the other end of the connecting wire is connected with the wiring end on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276878.8U CN213845163U (en) | 2020-12-28 | 2020-12-28 | Novel electromagnetic type power master switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276878.8U CN213845163U (en) | 2020-12-28 | 2020-12-28 | Novel electromagnetic type power master switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213845163U true CN213845163U (en) | 2021-07-30 |
Family
ID=77000714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023276878.8U Active CN213845163U (en) | 2020-12-28 | 2020-12-28 | Novel electromagnetic type power master switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213845163U (en) |
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2020
- 2020-12-28 CN CN202023276878.8U patent/CN213845163U/en active Active
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