CN219017992U - Ultra-long travel waterproof spring needle connector - Google Patents
Ultra-long travel waterproof spring needle connector Download PDFInfo
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- CN219017992U CN219017992U CN202223108311.9U CN202223108311U CN219017992U CN 219017992 U CN219017992 U CN 219017992U CN 202223108311 U CN202223108311 U CN 202223108311U CN 219017992 U CN219017992 U CN 219017992U
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- waterproof
- accommodating cavity
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- needle
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Abstract
The utility model discloses an ultra-long travel waterproof spring needle connector, which comprises a needle tube, a needle shaft and a spring, wherein the needle tube is connected with the needle shaft through the spring; the needle tube is provided with a containing cavity with a frontward opening, and the containing cavity extends backwards; the needle shaft can be arranged in the accommodating cavity in a back-and-forth telescopic way, and the front end of the needle shaft extends out of the accommodating cavity forwards; the spring is arranged in the accommodating cavity and promotes the needle shaft to extend out of the accommodating cavity forwards and actively; the waterproof piece which can be installed in a waterproof sealing way with the outside through ultrasonic welding is formed on the outer peripheral side face of the front end of the needle tube in an injection molding way, so that the waterproof performance of a product can be effectively enhanced, the service life of the product is prolonged, and the quality of the product is improved; the back end face of the needle shaft is matched with the front concave groove hole, the groove hole is communicated with the accommodating cavity, two ends of the spring are respectively propped between the bottom face of the groove hole and the bottom face of the accommodating cavity, the stroke of the spring in the product is increased, the ultra-long stroke can be realized, the elasticity of the product is effectively enhanced, the compression is smoother during use, the user experience is improved, and the existing requirements are met.
Description
Technical Field
The utility model relates to the technical field of spring needle connectors, in particular to an ultra-long-stroke waterproof spring needle connector.
Background
The spring needle is also called POGO PIN, and is a spring type probe formed by riveting and prepressing three basic components of a needle shaft, a needle tube and a spring through a precise instrument, and the spring needle is internally provided with a precise spring structure. The types of needle tips are generally pointed needles, grasping needles, round-head needles, knife-type needles, and the like. The spring needle is generally applied to precise connection in mobile phones, portable electronic equipment, communication, automobiles, medical treatment, aerospace and other electronic products, can improve the corrosion resistance, stability and durability of the connectors, and has a plurality of advantages. Since the spring pin is a very fine probe, the spring pin can be applied to a precise connector to reduce the weight and the appearance volume of the connector, and can make the connector more fine and beautiful.
The existing spring needle connector is usually a structure composed of a needle shaft, a needle tube and a spring, the structure is simple, precise connection of electronic equipment can be basically realized, but if the spring needle connector is applied to external connection of waterproof equipment, dust, water vapor and the like can easily permeate into the equipment, the waterproof performance is poor, the service life of a product can be greatly shortened, the quality of the product is influenced, the service performance of the equipment is influenced, and even the equipment is damaged; moreover, the spring is generally directly abutted between the bottom surface of the needle shaft and the bottom surface of the accommodating cavity of the needle tube, the stroke of the spring is short, the elasticity of the spring needle is limited, the compression of the spring needle is not smooth enough, the user experience is poor, and the existing requirements cannot be met. Accordingly, there is a need for improvements over current pogo pin connectors.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide an ultra-long stroke waterproof spring pin connector, which can effectively solve the problems of poor waterproof performance, short service life, poor spring force caused by short stroke of the spring, and unsmooth compression of the spring pin during use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an ultra-long travel waterproof spring needle connector comprises a needle tube, a needle shaft and a spring; the needle tube is provided with a containing cavity with a frontward opening, and the containing cavity extends backwards; the needle shaft can be arranged in the accommodating cavity in a back-and-forth telescopic way, and the front end of the needle shaft extends out of the accommodating cavity forwards; the spring is arranged in the accommodating cavity and promotes the needle shaft to extend out of the accommodating cavity forwards and actively; the outer peripheral side surface of the front end of the needle tube is injection molded with a waterproof piece which can be waterproof and sealed with the outside through ultrasonic welding; the rear end face of the needle shaft is provided with a slot hole in a concave way, the slot hole is communicated with the accommodating cavity in a right opposite way, and two ends of the spring are respectively propped against the bottom face of the slot hole and the bottom face of the accommodating cavity.
As a preferable mode, the waterproof member includes a base plate portion and a boss portion integrally extending forward from a center of a front side surface of the base plate portion, and the needle tube passes through the center of the base plate portion and the center of the boss portion.
As a preferable mode, the boss part is a conical boss structure, and the outer diameter of the boss part gradually increases from front to back.
As a preferred solution, the rear side edge of the base plate part is provided with a welding collar backwards.
As a preferable scheme, a limit ring is convexly arranged on the lateral surface of the outer periphery of the needle tube, and the limit ring is buried in the waterproof piece.
As a preferable scheme, the rear end face of the needle tube is a sealing face, and a connecting foot extends backwards from the center of the sealing face.
As a preferable scheme, the opening of the accommodating cavity is provided with a first limiting part, the outer peripheral side surface of the rear end of the needle shaft is convexly provided with a second limiting part, and the second limiting parts are positioned behind the first limiting part and are matched with each other for limiting.
As a preferable scheme, the bottom surface of the accommodating cavity is in an inverted cone shape.
As a preferable scheme, the bottom surface of the slot hole is in an inverted cone shape.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
the waterproof piece which can be installed in a waterproof sealing way with the outside through ultrasonic welding is formed on the outer peripheral side face of the front end of the needle tube in an injection molding way, so that the waterproof performance of a product can be effectively enhanced, the service life of the product is prolonged, and the quality of the product is improved; the back end face of the needle shaft is matched with the front concave groove hole, the groove hole is communicated with the accommodating cavity, two ends of the spring are respectively propped between the bottom face of the groove hole and the bottom face of the accommodating cavity, the stroke of the spring in the product is increased, the ultra-long stroke can be realized, the elasticity of the product is effectively enhanced, the compression is smoother during use, the user experience is improved, and the existing requirements are met.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present utility model;
FIG. 2 is an assembled perspective view of another angle of the preferred embodiment of the present utility model;
FIG. 3 is an exploded view of a preferred embodiment of the present utility model;
FIG. 4 is an exploded view of another angle of the preferred embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. needle tube 11 and accommodating cavity
12. Stop collar 13, sealing surface
14. Connecting pin 15, first limit part
20. Needle shaft 21, slot
22. Second limit part 30, spring
40. Waterproof material 41 and base plate portion
42. Boss portion 401, welded bulge loop.
Detailed Description
Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present utility model is shown, which includes a needle tube 10, a needle shaft 20 and a spring 30.
The needle tube 10 is provided with a containing cavity 11 with a frontward opening, the containing cavity 11 extends backwards, and a waterproof piece 40 which can be installed with the outside in a waterproof sealing way through ultrasonic welding is formed on the outer circumferential side surface of the front end of the needle tube 10 in an injection molding way; in this embodiment, the waterproof member 40 includes a base plate portion 41 and a boss portion 42, the boss portion 42 integrally extends forward from the center of the front side of the base plate portion 41, and the needle tube 10 passes through the center of the base plate portion 41 and the center of the boss portion 42; a welding convex ring 401 is arranged at the rear side edge of the base plate 41 backwards, and the welding convex ring 401 is used for welding and fixing with external parts; the boss portion 42 is a conical boss structure, the outer diameter of which gradually increases from front to back; the limit ring 12 is convexly arranged on the outer peripheral side surface of the needle tube 10, and the limit ring 12 is buried in the waterproof piece 40, so that the structure is more stable, and the waterproof performance is better; the rear end face of the needle tube 10 is a sealing face 13, and a connecting foot 14 extends backwards from the center of the sealing face 13; a first limit part 15 is formed at the opening of the accommodating cavity 11; the bottom surface of the accommodating cavity 11 is in an inverted cone shape.
The needle shaft 20 can be arranged in the accommodating cavity 11 in a back-and-forth telescopic way, the front end of the needle shaft 20 extends out of the accommodating cavity 11 forwards, the rear end surface of the needle shaft 20 is provided with a slotted hole 21 in a concave way forwards, and the slotted hole 21 is communicated with the accommodating cavity 11 in a positive way; in this embodiment, the outer peripheral side of the rear end of the needle shaft 20 is convexly provided with a second limiting part 22, and the second limiting part 22 is located behind the first limiting part 15 and is matched and limited with each other; the bottom surface of the slot 21 is formed in an inverted cone shape.
The spring 30 is disposed in the accommodating cavity 11 and urges the needle shaft 20 to move forward to extend out of the accommodating cavity 11, and two ends of the spring 30 respectively prop against between the bottom surface of the slot 21 and the bottom surface of the accommodating cavity 11.
The manufacturing and assembling process of the embodiment is as follows:
firstly, the needle tube 10, the needle shaft 20 and the spring 30 are molded; then, one end of the spring 30 is propped against the bottom surface of the slotted hole 21, and the needle shaft 20 and the spring 30 are put into the accommodating cavity 11, so that the other end of the spring 30 is propped against the bottom surface of the accommodating cavity 11; then, a first limiting part 15 is formed at the opening of the accommodating cavity 11 through riveting, so that the first limiting part 15 and the second limiting part 22 are matched and limited; finally, the needle tube 10, the needle shaft 20 and the spring 30 which are assembled together are put into a mold to be injection molded into a waterproof piece 40, and the waterproof piece is finally installed with external parts in a waterproof sealing mode through ultrasonic welding.
The design focus of the utility model is that: the waterproof piece which can be installed in a waterproof sealing way with the outside through ultrasonic welding is formed on the outer peripheral side face of the front end of the needle tube in an injection molding way, so that the waterproof performance of a product can be effectively enhanced, the service life of the product is prolonged, and the quality of the product is improved; the back end face of the needle shaft is matched with the front concave groove hole, the groove hole is communicated with the accommodating cavity, two ends of the spring are respectively propped between the bottom face of the groove hole and the bottom face of the accommodating cavity, the stroke of the spring in the product is increased, the ultra-long stroke can be realized, the elasticity of the product is effectively enhanced, the compression is smoother during use, the user experience is improved, and the existing requirements are met.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (9)
1. An ultra-long travel waterproof spring needle connector comprises a needle tube, a needle shaft and a spring; the needle tube is provided with a containing cavity with a frontward opening, and the containing cavity extends backwards; the needle shaft can be arranged in the accommodating cavity in a back-and-forth telescopic way, and the front end of the needle shaft extends out of the accommodating cavity forwards; the spring is arranged in the accommodating cavity and promotes the needle shaft to extend out of the accommodating cavity forwards and actively; the method is characterized in that: the outer peripheral side surface of the front end of the needle tube is injection molded with a waterproof piece which can be waterproof and sealed with the outside through ultrasonic welding; the rear end face of the needle shaft is provided with a slot hole in a concave way, the slot hole is communicated with the accommodating cavity in a right opposite way, and two ends of the spring are respectively propped against the bottom face of the slot hole and the bottom face of the accommodating cavity.
2. The ultra-long travel waterproof spring pin connector of claim 1, wherein: the waterproof piece comprises a base plate part and a boss part, the boss part integrally extends forwards from the center of the front side surface of the base plate part, and the needle tube passes through the center of the base plate part and the center of the boss part.
3. The ultra-long travel waterproof pogo pin connector of claim 2, wherein: the boss part is a conical boss structure, and the outer diameter of the boss part gradually increases from front to back.
4. The ultra-long travel waterproof pogo pin connector of claim 2, wherein: the rear side edge of the base plate part is provided with a welding convex ring backwards.
5. The ultra-long travel waterproof spring pin connector of claim 1, wherein: and a limiting ring is convexly arranged on the lateral surface of the outer periphery of the needle tube, and the limiting ring is buried in the waterproof piece.
6. The ultra-long travel waterproof spring pin connector of claim 1, wherein: the rear end face of the needle tube is a sealing face, and a connecting pin extends backwards from the center of the sealing face.
7. The ultra-long travel waterproof spring pin connector of claim 1, wherein: the opening part of the accommodating cavity is provided with a first limiting part, the side surface of the periphery of the rear end of the needle shaft is convexly provided with a second limiting part, and the second limiting parts are positioned behind the first limiting part and are matched with each other to limit.
8. The ultra-long travel waterproof spring pin connector of claim 1, wherein: the bottom surface of the accommodating cavity is in an inverted cone shape.
9. The ultra-long travel waterproof spring pin connector of claim 1, wherein: the bottom surface of the slot hole is in an inverted cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108311.9U CN219017992U (en) | 2022-11-23 | 2022-11-23 | Ultra-long travel waterproof spring needle connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223108311.9U CN219017992U (en) | 2022-11-23 | 2022-11-23 | Ultra-long travel waterproof spring needle connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219017992U true CN219017992U (en) | 2023-05-12 |
Family
ID=86244251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223108311.9U Active CN219017992U (en) | 2022-11-23 | 2022-11-23 | Ultra-long travel waterproof spring needle connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219017992U (en) |
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2022
- 2022-11-23 CN CN202223108311.9U patent/CN219017992U/en active Active
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