CN216698788U - Freely stretch out and draw back and contact pin that reliability is high - Google Patents
Freely stretch out and draw back and contact pin that reliability is high Download PDFInfo
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- CN216698788U CN216698788U CN202122615331.4U CN202122615331U CN216698788U CN 216698788 U CN216698788 U CN 216698788U CN 202122615331 U CN202122615331 U CN 202122615331U CN 216698788 U CN216698788 U CN 216698788U
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- push rod
- contact pin
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Abstract
The utility model relates to a contact pin that freely stretches out and draws back and reliability is high, include: the needle body is internally provided with a hollow cavity; bear in the needle body is used for adapting to the elastic contact subassembly of different jack sizes, the elastic contact subassembly includes: the elastic sheet is arranged along the axial direction of the needle body and has a backward inclination angle with the head of the needle body, and the first spring is connected with the elastic sheet at one end and abutted against the needle body at the other end; and the adjusting mechanism is arranged on the needle body and used for adjusting the tightness of the elastic sheet. Through rotating the thread bush for thereby the thread bush forms the screw thread transmission with the external screw thread of needle body and can move about from top to bottom on the needle body, thereby drives the guide pillar and moves about from top to bottom, and the guide pillar passes through the first spring of push rod push-and-pull, and then can control the elasticity degree of flexure strip, the condition of contact failure can not appear, thereby the jack in the different apertures of adaptation that can be better.
Description
Technical Field
The utility model relates to the technical field of contact pins, in particular to a contact pin which can freely stretch and retract and is high in reliability.
Background
If the aperture of the conductor in the plug jack is smaller than the specified size, the jack can be enlarged when the contact pin enters the jack, so that the jack is subjected to plastic deformation, the conductor or the medium support in the jack is deformed or damaged, the fatigue strength of the jack is reduced, and the service life of the connector is shortened; if the pin diameter is too small. When the traditional contact pin is matched with the jack, the gap between the contact pin and the jack wall can be increased, the inner conductor is difficult to be in close contact, the electrical performance index of the plug is reduced, the condition of contact failure is easy to occur, and the discontinuity of a transmission line is enhanced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the freely telescopic pin with high reliability, which has the advantage of being capable of adapting to jacks with different sizes, and improves the applicability of the pin.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a contact pin capable of freely telescoping and high in reliability comprises:
the needle body is internally provided with a hollow cavity;
bear in the needle body is used for adapting to the elastic contact subassembly of different jack sizes, the elastic contact subassembly includes: the elastic sheet is arranged along the axial direction of the needle body and has a backward inclination angle with the head of the needle body, and the first spring is connected with the elastic sheet at one end and abutted against the needle body at the other end; and the number of the first and second groups,
locate the needle body is used for adjusting the guiding mechanism of flexure strip elasticity, guiding mechanism includes: the lifting groove is arranged on two sides of the needle body, the lifting rod is arranged in the hollow cavity, two ends of the lifting rod penetrate through the lifting groove and extend outwards, the external thread of the needle body, the thread sleeve is in threaded connection with the external thread and positioned above the lifting rod, the guide pillar is connected with the lifting rod, one end of the push rod is rotatably connected with the guide pillar, the other end of the push rod is rotatably connected with the push rod of the first spring, and the needle body is provided with a sliding hole for the push rod to pass through.
Realize above-mentioned technical scheme, when inserting the contact pin to the jack in, the flexure strip is pressed to the needle body direction by the inner wall extrusion of jack and is pasted tight shrink, and paste the inner wall at the jack tightly, make the contact pin have abundant contact with the jack all the time, through rotating the thread bush, thereby it can be on the needle body upper and lower activity to make the thread bush form the screw thread transmission with the external screw thread of needle body, thereby it moves about from top to bottom to drive the guide pillar, the guide pillar passes through the first spring of push rod push-and-pull, and then can control the elasticity degree of flexure strip, thereby the jack in the different apertures of adaptation that can be better.
As a preferable scheme of the present invention, the top of the push rod and the bottom of the guide post are respectively connected with a second spring, and the other end of the second spring is respectively connected with the top inner wall and the bottom inner wall of the hollow cavity.
According to the technical scheme, the contact area of the guide pillar and the needle body is increased by the second spring, the conductive area is increased, and the guide pillar is more stable.
As a preferable scheme of the utility model, the number of the elastic pieces is four, and the four elastic pieces are uniformly arranged around the needle body.
By the technical scheme, the contact points of the elastic sheet and the jack are more, and the resistance of the contact pin is reduced.
As a preferable scheme of the utility model, the two ends of the push rod are annularly provided with snap rings, the bottom of the threaded sleeve is provided with a slide block, and the threaded sleeve is connected to the push rod in a sliding manner through the slide block.
According to the technical scheme, the threaded sleeve can drive the push rod to move up and down more smoothly.
As a preferable scheme of the utility model, a limit ring is arranged in the hollow cavity, the limit ring is positioned between the lifting groove and the sliding hole, and the guide pillar is connected to the inner ring of the limit ring in a sliding manner.
Realize above-mentioned technical scheme, increased holistic structural strength, guide pillar and spacing ring contact very big increase the area that switches on of guide pillar and needle body simultaneously.
As a preferable aspect of the present invention, a washer is rotatably connected to an end of the push rod, and the first spring is connected to the washer.
Realize above-mentioned technical scheme, can relative slip between gasket and the needle body to avoid first spring direct slip on the needle body to lead to the crumpling, make first spring more reliable.
In a preferred embodiment of the present invention, the elastic sheet, the first spring, the second spring, the guide post, and the push rod are all made of copper.
By implementing the technical scheme, the conductivity can be increased.
In a preferred embodiment of the present invention, the bottom of the needle body is provided with an arc-shaped contact.
In conclusion, the utility model has the following beneficial effects:
according to the freely telescopic pin with high reliability, when the pin is inserted into the jack, the elastic sheet is pressed by the inner wall of the jack to be tightly attached to the needle body and is tightly attached to the inner wall of the jack, so that the pin can be fully contacted with the jack all the time, the threaded sleeve is rotated to form threaded transmission with the external thread of the needle body, the threaded sleeve can move up and down on the needle body, the guide pillar is driven to move up and down, the guide pillar pushes and pulls the first spring through the push rod, the tightness degree of the elastic sheet can be controlled, the situation of contact failure cannot occur, and therefore the pin can be better suitable for jacks with different apertures.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention.
FIG. 2 is an enlarged view of the utility model at A in FIG. 1.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a needle body; 2. an elastic sheet; 3. a first spring; 4. a slide hole; 5. a second spring; 6. a guide post; 7. a push rod; 8. a limiting ring; 9. a threaded sleeve; 10. a contact; 11. a lifting rod; 12. a lifting groove; 13. a snap ring; 14. a slider; 15. and (4) external threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 2, a pin capable of freely extending and retracting and having high reliability includes:
the needle body 1 is provided with a hollow cavity inside; the elastic contact component is borne on the needle body 1 and is used for adapting to different jack sizes; and an adjusting mechanism arranged on the needle body 1 and used for adjusting the tightness of the elastic sheet 2.
Specifically, the elastic contact assembly includes: the needle comprises an elastic sheet 2 which is arranged along the axial direction of a needle body 1 and has a backward inclination angle with the head of the needle body 1, and a first spring 3 of which one end is connected with the elastic sheet 2 and the other end is abutted against the needle body 1; the adjustment mechanism includes: set up in the lift groove 12 of 1 both sides of needle body, set up in the cavity and both ends run through lift groove 12 and outside extension's lifter 11, set up in the external screw thread 15 of needle body 1, threaded connection is in external screw thread 15 and lie in the thread bush 9 of lifter 11 top, connect in the guide pillar 6 of lifter 11, and one end rotates to be connected in guide pillar 6 and the other end and rotates and connect in the push rod 7 of first spring 3, needle body 1 sets up the slide opening 4 that supplies push rod 7 to pass.
Furthermore, the top of the push rod 7 and the bottom of the guide post 6 are respectively connected with a second spring 5, the other end of the second spring 5 is respectively connected with the inner wall of the top and the inner wall of the bottom of the hollow cavity, the second spring 5 increases the contact area between the guide post 6 and the needle body 1, increases the conductive area, and makes the guide post 6 more stable, the number of the elastic sheets 2 is four, the four elastic sheets 2 are uniformly arranged around the needle body 1, so that the contact points between the elastic sheets 2 and the jacks are more, the resistance of the contact pin is reduced, the snap rings 13 are annularly arranged at the two ends of the push rod 7, the bottom of the thread sleeve 9 is provided with a slide block 14, the slide block 14 is slidably connected with the snap rings 13, the thread sleeve 9 is slidably connected to the push rod 7 through the slide block 14, so that the thread sleeve 9 can more smoothly drive the push rod 7 to move up and down, the limiting ring 8 is arranged in the hollow cavity, the limiting ring 8 is positioned between the lifting groove 12 and the sliding hole 4, 6 sliding connection of guide pillar in spacing ring 8's inner circle, holistic structural strength has been increased, simultaneously guide pillar 6 and the very big conduction area who increases guide pillar 6 and needle body 1 of 8 contact of spacing ring, the tip of push rod 7 rotates and is connected with the gasket, first spring 3 is connected in the gasket, can relative slip between gasket and the needle body 1, thereby avoid first spring 3 directly to slide on needle body 1 and lead to the kink, make first spring 3 more reliable, the flexure strip 2, first spring 3, second spring 5, the material of guide pillar 6 and push rod 7 is copper, can increase electric conductivity, the bottom of needle body 1 is provided with curved contact 10.
During the use, when inserting the contact pin to the jack in, flexure strip 2 receives the inner wall extrusion of jack to paste tight shrink to needle body 1 direction, and paste the inner wall at the jack tightly, make the contact pin have abundant contact with the jack all the time, through rotating thread bush 9, thereby it can be on needle body 1 upper and lower activity to make thread bush 9 form the screw thread transmission with the external screw thread 15 of needle body 1, thereby it is movable from top to bottom to drive guide pillar 6, guide pillar 6 passes through push rod 7 push-and-pull first spring 3, and then can control the elasticity degree of flexure strip 2.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a contact pin that freely stretches out and draws back and reliability is high, its characterized in that includes:
the needle body is internally provided with a hollow cavity;
bear in the needle body is used for adapting to the elastic contact subassembly of different jack sizes, the elastic contact subassembly includes: the elastic sheet is arranged along the axial direction of the needle body and has a backward inclination angle with the head of the needle body, and the first spring is connected with the elastic sheet at one end and abutted against the needle body at the other end; and the number of the first and second groups,
locate the needle body is used for adjusting the guiding mechanism of flexure strip elasticity, guiding mechanism includes: set up in the lift groove of needle body both sides, set up in the cavity and both ends run through the lift groove and outside the lifter that extends, set up in the external screw thread of needle body, threaded connection in the external screw thread just is located the thread bush of lifter top, connect in the guide pillar of lifter and one end rotate connect in guide pillar and other end rotate connect in the push rod of first spring, the needle body is seted up the confession the sliding hole that the push rod passed.
2. The freely telescopic and reliable contact pin according to claim 1, wherein the top of the push rod and the bottom of the guide post are respectively connected with a second spring, and the other end of the second spring is respectively connected with the top inner wall and the bottom inner wall of the hollow cavity.
3. The contact pin of claim 1, wherein the number of the elastic pieces is four, and four of the elastic pieces are uniformly arranged around the pin body.
4. The contact pin capable of freely telescoping and high in reliability as claimed in claim 1, wherein snap rings are annularly arranged at two ends of the push rod, a sliding block is arranged at the bottom of the threaded sleeve, and the threaded sleeve is slidably connected to the push rod through the sliding block.
5. The freely retractable and reliable inserting needle as claimed in claim 1, wherein a spacing ring is disposed in the hollow cavity, the spacing ring is located between the lifting groove and the sliding hole, and the guide post is slidably connected to an inner ring of the spacing ring.
6. The contact pin capable of freely stretching and retracting and high in reliability as claimed in claim 1, wherein a gasket is rotatably connected to an end of the push rod, and the first spring is connected to the gasket.
7. The contact pin capable of freely telescoping and having high reliability as claimed in claim 3, wherein the elastic sheet, the first spring, the second spring, the guide post and the push rod are all made of copper.
8. The contact pin capable of freely stretching and having high reliability as claimed in claim 1, wherein the bottom of the pin body is provided with an arc-shaped contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615331.4U CN216698788U (en) | 2021-10-28 | 2021-10-28 | Freely stretch out and draw back and contact pin that reliability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615331.4U CN216698788U (en) | 2021-10-28 | 2021-10-28 | Freely stretch out and draw back and contact pin that reliability is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698788U true CN216698788U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615331.4U Active CN216698788U (en) | 2021-10-28 | 2021-10-28 | Freely stretch out and draw back and contact pin that reliability is high |
Country Status (1)
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| CN (1) | CN216698788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365271A (en) * | 2023-05-26 | 2023-06-30 | 合肥中恒微半导体有限公司 | Fisheye terminal and connector adopting fisheye terminal |
-
2021
- 2021-10-28 CN CN202122615331.4U patent/CN216698788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365271A (en) * | 2023-05-26 | 2023-06-30 | 合肥中恒微半导体有限公司 | Fisheye terminal and connector adopting fisheye terminal |
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