CN209233001U - A kind of resistance to high-strength vibration contact pin contacting piece with double-contact - Google Patents
A kind of resistance to high-strength vibration contact pin contacting piece with double-contact Download PDFInfo
- Publication number
- CN209233001U CN209233001U CN201821863765.8U CN201821863765U CN209233001U CN 209233001 U CN209233001 U CN 209233001U CN 201821863765 U CN201821863765 U CN 201821863765U CN 209233001 U CN209233001 U CN 209233001U
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- China
- Prior art keywords
- contact
- shell portion
- contact pin
- contacting piece
- resistance
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Abstract
The utility model provides a kind of resistance to high-strength vibration contact pin contacting piece with double-make contact, solves the problems, such as that the resistance to high-strength vibration performance of existing contact pin contacting piece is poor, product reliability is low.The contact pin contacting piece of the utility model includes contact pin ontology, the contact pin ontology is sequentially connected with including axial direction and integrally formed first shell portion, changeover portion, the second shell portion, converging transition, thin neck section, divergent segment, third shell portion and cup head contact head.The utility model is resistant to high-intensity oscillation, impact, big gun vibration, improves connector product reliability.
Description
Technical field
The utility model belongs to connector contact technical field, is related to a kind of resistance to high-strength vibration contact pin with double-contact and connects
Contact element is applied to field of signal transmissions between the inside and outside portion's electronic equipment of aircraft, precision instrument.
Background technique
For contact pin contacting piece in connector when being impacted by high-intensity oscillation, contact pin contacting piece is due to resistance to high-strength vibration performance
Difference, thus phenomena such as often will appear plastic deformation, open circuit, the reliability of product is low, influences the normal transmission of connector signal.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides one kind and is resistant to high-intensity oscillation, impact, big gun vibration, improves
The resistance to high-strength vibration contact pin contacting piece with double-make contact of connector product reliability.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of resistance to high-strength vibration with double-contact
Contact pin contacting piece, the contact pin contacting piece include contact pin ontology, and the contact pin ontology includes axial is sequentially connected with and integrally formed
First shell portion, changeover portion, the second shell portion, converging transition, thin neck section, divergent segment, third shell portion and cup head connect
Contact；The outer diameter of second shell portion is less than the outer diameter of the first shell portion, and thin neck section is cylindrical structure, and thin neck section
Outer diameter less than the outer diameter of the second shell portion, the outer diameter of third shell portion is equal with the outer diameter of the second shell portion；Third
The outer peripheral surface of shell portion is as first contact point, and the front end outer peripheral surface of thin neck section is as the second contact point；
Further, the changeover portion is arcuate structure.
Further, blind hole is offered inside the first shell portion tail end.
Compared with prior art, the utility model has the following beneficial effects: the utility model passes through contact pin contacting piece
The design of double-make contact structure when being jack contact docking, makes contact be not in that plasticity becomes with jack contact cooperation
Phenomena such as shape, open circuit, increase the anti shock and vibration ability of contact, to meet user's high-strength vibration impact requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of contact pin contacting piece；
Fig. 2 is the structural schematic diagram of jack contact；
Fig. 3 is the mounting structure schematic diagram of jack contact and protection sleeve pipe；
Fig. 4 is the structural schematic diagram of contact pin contacting piece and jack contact docking；
In figure: the first shell portion of 1-；1-1- blind hole；2- changeover portion；The second shell portion of 3-；4- converging transition；The thin neck of 5-
Section；6- divergent segment；7- third shell portion；8- cup head contact head；9- jack ontology；9-1- second annular groove；9-2-
Second ring boss；9-3- third annular convex platform；9-4- stepped hole；9-5- through-hole；10- first annular groove；11- jack；11-1-
The first cylinder body；11-2- dumbbell shaped cylinder；11-3- the second cylinder body；11-4- bellmouth；12- protection sleeve pipe；12-1- first
Annular convex platform.
Specific embodiment mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1, a kind of resistance to high-strength vibration contact pin contacting piece with double-make contact, which includes contact pin sheet
Body, the contact pin ontology is sequentially connected with including axial direction and integrally formed first shell portion 1, changeover portion 2, the second shell portion
3, converging transition 4, thin neck section 5, divergent segment 6, third shell portion 7 and cup head contact head 8；Outside second shell portion 3
Diameter is less than the outer diameter of the first shell portion 1, and thin neck section 5 is cylindrical structure, and the outer diameter of thin neck section 5 is less than the second shell portion
3 outer diameter, the outer diameter of third shell portion 7 are equal with the outer diameter of the second shell portion 3；The outer peripheral surface of third shell portion 7 is made
For first contact point, the front end outer peripheral surface of thin neck section 5 is as the second contact point；
Blind hole 1-1 is offered inside first shell portion, 1 tail end.
The changeover portion 2 is arcuate structure.
Referring to Fig. 2, the jack contact with the utility model cooperation includes jack ontology 9, and the jack ontology 9 is cylinder
Body offers jack 11 in 9 inside head end of jack ontology, and the jack 11 includes axial is sequentially connected with and integrally formed first
Cylinder 11-1, dumbbell shaped cylinder 11-2 and the second cylinder body 11-3；The tail end of the second cylinder body 11-3 is additionally provided with bellmouth 11-
4, when contact pin contacting piece and jack contact dock, cup head contact head 8 is protruded into the second cylinder body 11-3 of jack, third circle
The outer peripheral surface of column body segment 3 is in contact with the inner peripheral surface of the second cylinder body 11-3, the outer peripheral surface and dumbbell shaped cylinder of 5 front end of thin neck section
The flat segments inner circumferential face contact of 11-2 forms double contact structures.
It is equipped with second annular groove 9-1 in 9 periphery of jack ontology, makes the first cylinder body 11-1 and the second cylinder body
The wall thickness of 11-3 formation thin-wall construction, the first cylinder body 11-1 and the second cylinder body 11-3 are respectively 0.2-0.3mm, described
The both ends second annular groove 9-1 form the second annular convex platform 9-2 and third annular convex platform 9-3.
Referring to Fig. 3, the jack contact further includes protection sleeve pipe 12, and the protection sleeve pipe 12 is the hollow cylinder bodily form
Shape, the right end of hollow cylinder it is inward-facing week protrusion be equipped with first annular boss 12-1, the first annular boss 12-1 and insert
The first annular groove 10 that ontology 9 periphery in hole opens up matches, and the front end inner circumferential of protection sleeve pipe 12 is with the second annular convex platform 9-2
Clearance fit is interference fit between the rear end inner circumferential and third annular convex platform 9-3 of protection sleeve pipe 12, and protection sleeve pipe 12 is in jack
The rotation of 9 peripheral, axial of ontology.
Stepped hole 9-4 is offered inside 9 tail end of jack ontology, and has offered through-hole on 9 rear end of the 4th cylindrical body
9-5, and be connected to stepped hole 9-4.
Referring to Fig. 4, when docking, the axial jack for protruding into jack contact of the cup head contact head 8 of contact pin contacting piece front end
Interior, the outer peripheral surface (first contact point) of third shell portion 3 is in contact with the inner peripheral surface of the second cylinder body 11-3, before thin neck section 5
The flat segments inner circumferential face contact in the middle position of the outer peripheral surface (the second contact point) and dumbbell shaped cylinder 11-2 at end forms double contacts
Structure.The first cylinder body 11-1 and the second cylinder body 11-3 forms thin-wall construction, the first cylinder body 11-1 and the second cylinder
The wall thickness of body 11-3 is respectively 0.2-0.3mm, which can guarantee the first cylinder body 11-1 inner wall and of jack contact
Two cylinder 11-3 inner walls are fully able to increase with the first contact point of contact pin contacting piece and the second contact point contact, thin-walled design
The elasticity of contact, enabling the contact, double contact structures being capable of reliable contacts in high-intensity oscillation.In addition protective case
Pipe 12 can protect jack contact, it is made to avoid occurring being plastically deformed during high-intensity oscillation that jack is made to follow the string
Danger, while the protective case can also play the role of conducting.The design of above structure can make the contact in connector by
To phenomena such as when high-intensity oscillation impact, contact is not in plastic deformation, open circuit, increase product reliability, to realize
Product resistance to high-intensity oscillation performance.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of resistance to high-strength vibration contact pin contacting piece with double-make contact, which is characterized in that the contact pin contacting piece includes contact pin
Ontology, the contact pin ontology is sequentially connected with including axial direction and integrally formed first shell portion, changeover portion, the second cylindrical body
Section, converging transition, thin neck section, divergent segment, third shell portion and cup head contact head；The outer diameter of second shell portion is less than
The outer diameter of first shell portion, thin neck section are cylindrical structure, and the outer diameter of thin neck section is less than the outer diameter of the second shell portion,
The outer diameter of three shell portions is equal with the outer diameter of the second shell portion；The outer peripheral surface of third shell portion as first contact point,
The front end outer peripheral surface of thin neck section is as the second contact point.
2. a kind of resistance to high-strength vibration contact pin contacting piece with double-make contact as described in claim 1, which is characterized in that the mistake
Crossing section is arcuate structure.
3. a kind of resistance to high-strength vibration contact pin contacting piece with double-make contact as described in claim 1, which is characterized in that described
Blind hole is offered inside first shell portion tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863765.8U CN209233001U (en) | 2018-11-13 | 2018-11-13 | A kind of resistance to high-strength vibration contact pin contacting piece with double-contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863765.8U CN209233001U (en) | 2018-11-13 | 2018-11-13 | A kind of resistance to high-strength vibration contact pin contacting piece with double-contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233001U true CN209233001U (en) | 2019-08-09 |
Family
ID=67502876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863765.8U Active CN209233001U (en) | 2018-11-13 | 2018-11-13 | A kind of resistance to high-strength vibration contact pin contacting piece with double-contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233001U (en) |
-
2018
- 2018-11-13 CN CN201821863765.8U patent/CN209233001U/en active Active
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