High-stability spring needle connector

Abstract

The utility model relates to the technical field of connectors, in particular to a high-stability spring needle connector which comprises a needle cylinder, a needle head and a spring, an insertion port is formed in the upper end of the needle cylinder, the spring is arranged in the insertion port, and the needle head is inserted into the needle cylinder through the insertion port. Contact assemblies used for reducing friction between the needle and the needle cylinder are arranged on the two opposite sides of the inner wall of the needle cylinder, through the arrangement of the contact assemblies, when the needle moves in the axial direction of the needle cylinder, the circumferential face of the needle rubs against the contact assemblies, but the friction force of the needle can be reduced in the friction process due to the characteristics of the contact assemblies, and therefore the needle is prevented from being damaged. Therefore, friction between the needle head and the needle cylinder is reduced, and the service life of the spring needle connector is prolonged.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of connectors, in particular to a spring pin connector with high stability. BACKGROUND

[0002] The spring pin connector is also called a pogopin connector, is a special connector formed by three basic components, namely a needle, a needle tube and a spring, through precise instrument riveting. The connector has the characteristics of long service life and convenient docking, and can realize the transmission of electric energy from one system to another system through the connecting part, and is the main node of electric energy transmission.

[0003] In the prior art, in order to keep the electric signal transmission process stable, it is required that the needle tube and the needle head must always maintain electrical contact, otherwise the electric signal transmission impedance will increase, and even the signal will be interrupted, which leads to the fact that the circumferential surface of the needle head inserted into the needle tube needs to maintain contact with the inner wall of the needle tube at all times. However, such contact also leads to relatively large friction between the circumferential surface of the needle head and the inner wall of the needle tube when the needle head moves along the axial direction of the needle tube, which leads to relatively serious friction between the needle head and the needle tube, and reduces the service life of the spring pin connector. Therefore, the application provides a spring pin connector with high stability, which is used for reducing the friction between the needle head and the needle tube, and thereby prolonging the service life of the spring pin connector. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the application aims to provide a spring pin connector with high stability, which is used for reducing the friction between the needle head and the needle tube, and thereby prolonging the service life of the spring pin connector.

[0005] The above-mentioned purpose of the application is achieved by the following technical scheme: a spring pin connector with high stability, comprising a needle tube, a needle head and a spring, wherein the upper end of the needle tube is provided with a plug-in port, the spring is arranged in the plug-in port, the needle head is plugged into the needle tube through the plug-in port, and the inner wall of the needle tube is provided with a contact assembly for reducing the friction between the needle head and the needle tube on the opposite sides.

[0006] Further, the contact assembly comprises a plug-in groove arranged on the inner wall of the needle tube and arranged along the height direction of the needle tube, a plug-in block plugged into the plug-in groove and covering the plug-in groove, and a plurality of rolling balls arranged on the side of the plug-in block away from the plug-in groove, wherein the rolling balls are embedded in the plug-in block and rotationally connected to the plug-in block, and the circumferential surface of the needle head inserted into the needle tube abuts against the rolling balls.

[0007] By adopting the technical scheme, when the needle head moves along the needle cylinder in the axial direction, the peripheral surface of the needle head rubs against the balls, but because the balls are rotationally connected to the plug-in block, the needle head pushes the balls to rotate in the rubbing process, and the rotating balls can reduce the friction of the needle head, thereby achieving the purpose of reducing the friction between the needle head and the needle cylinder and improving the service life of the spring needle connector.

[0008] Further, the plug-in groove penetrates the upper end surface of the needle cylinder.

[0009] By adopting the technical scheme, it is more convenient for the staff to install the plug-in block in the needle cylinder, which only needs to be inserted into the plug-in groove from the upper end surface of the needle cylinder.

[0010] Further, the plug-in interface is provided with a plugging structure.

[0011] Further, the plugging structure comprises a plug-in groove provided on the upper end surface of the needle cylinder and a plugging plate provided with a plug-in piece on the bottom surface, the plug-in piece is transitionally matched with the plug-in groove, and the plugging plate is provided with a through hole penetrating the plugging plate, and the diameter of the through hole is smaller than that of the plug-in interface.

[0012] By adopting the technical scheme, when the staff inserts the plug-in block into the plug-in groove, the plugging plate can be lifted, the plug-in piece is aligned with the plug-in groove, and then the plugging plate is pressed on the needle cylinder, so that the plugging plate blocks the upper end surface of the needle cylinder to prevent the plug-in block from sliding out of the plug-in groove.

[0013] Further, the balls are provided in multiple along the height direction of the plug-in block.

[0014] By adopting the technical scheme, multiple balls can keep the needle head in contact with the balls at all times, prevent the needle head from being disconnected from the needle cylinder, and improve the stability of the needle cylinder and the needle head.

[0015] Further, the plug-in groove on the upper end surface of the needle cylinder is provided with multiple plug-in grooves, and the number of plug-in pieces is the same as that of the plug-in grooves.

[0016] By adopting the technical scheme, the plugging plate is installed more stably.

[0017] Further, the components of the contact assembly are made of copper.

[0018] By adopting the technical scheme, copper has good electrical conductivity to ensure that the contact assembly can transmit the electrical signal of the needle cylinder to the needle head.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. By the arrangement of the contact assembly, when the needle moves axially along the needle cylinder, the circumferential surface of the needle rubs the ball, but because the ball is rotationally connected to the plug-in block, the needle will push the ball to rotate in the process of rubbing, and the rotating ball can reduce the friction of the needle, thereby achieving the purpose of reducing the friction between the needle and the needle cylinder, thereby prolonging the service life of the spring needle connector. And because of the arrangement of the ball, the contact between the needle and the ball is point contact, so the contact area between the needle and the ball is small, further reducing the friction between the needle and the ball, and the needle cylinder can always be in contact with the needle through the plug-in block and the ball. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the embodiment;

[0022] Figure 2 is a sectional view along Figure 1 line A-A in the middle;

[0023] Figure 3 is an enlarged view of part A in the middle. Figure 2

[0024] Reference signs: 1, needle cylinder; 10, needle; 11, spring; 12, plug-in port; 2, contact assembly; 20, plug-in slot; 21, plug-in block; 22, ball; 3, sealing structure; 30, plug-in groove; 31, plug-in piece; 32, sealing plate; 33, through hole. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below in conjunction with the drawings.

[0026] Embodiment, refer to Figure 1 , Figure 2 , Figure 3 ​The utility model provides a kind of high-stability spring needle connector, including needle cylinder 1, needle 10 and spring 11, needle cylinder 1 upper end is provided with insertion interface 12, spring 11 is arranged in insertion interface 12, needle 10 is inserted in needle cylinder 1 by insertion interface 12, the inner wall of needle cylinder 1 opposite two sides are equipped with the contact component 2 for reducing the friction of needle 10 and needle cylinder 1, contact component 2 includes insertion slot 20 being provided on the inner wall of needle cylinder 1 and being arranged along the height direction of needle cylinder 1, insertion block 21 being inserted in insertion slot 20 and being covered with insertion slot 20 and the ball 22 being arranged on the side of insertion block 21 away from insertion slot 20, ball 22 is embedded in insertion block 21 and is rotatably connected to insertion block 21, the circumferential surface of needle 10 is inserted in needle cylinder 1 abuts ball 22, by the arrangement of ball 22, when needle 10 moves along the axial direction of needle cylinder 1, the circumferential surface of needle 10 rubs ball 22, but because ball 22 is rotatably connected to insertion block 21, needle 10 will push ball 22 to rotate in the process of rubbing, and rotating ball 22 can reduce the friction of needle 10, so as to realize the purpose of reducing the friction of needle 10 and needle cylinder 1, thereby improving the service life of spring 11 needle connector, and because the setting of ball 22, the contact between needle 10 and ball 22 is point contact, so the contact area between needle 10 and ball 22 is less, further reducing the friction between needle 10 and ball 22, and needle cylinder 1 can keep contact with needle 10 through insertion block 21 and ball 22.

[0027] In the embodiment, the insertion slot 20 penetrates the upper end surface of the needle cylinder 1, so that it is more convenient for the worker to install the insertion block 21 in the needle cylinder 1, which only needs to insert the insertion block 21 into the insertion slot 20 from the upper end surface of the needle cylinder 1.

[0028] In the embodiment, the insertion interface 12 is provided with a plugging structure 3, the plugging structure 3 includes an insertion groove 30 provided on the upper end surface of the needle cylinder 1 around the insertion interface 12 and a plugging plate 32 provided with an insertion piece 31 on the bottom surface, the insertion piece 31 is transitionally matched with the insertion groove 30, the plugging plate 32 is provided with a through hole 33 penetrating the plugging plate 32, and the diameter of the through hole 33 is smaller than that of the insertion interface 12. After the worker inserts the insertion block 21 into the insertion slot 20, the plugging plate 32 can be lifted, the insertion piece 31 is aligned with the insertion groove 30, and then the plugging plate 32 is pressed on the needle cylinder 1, so that the plugging plate 32 blocks the upper end surface of the needle cylinder 1 to prevent the insertion block 21 from sliding out of the insertion slot 20.

[0029] In the embodiment, a plurality of balls 22 are arranged along the height direction of the insertion block 21, which can keep the needle 10 in contact with the balls 22 at all times, prevent the needle 10 from being disconnected with the needle cylinder 1, and improve the stability of the needle cylinder 1 and the needle 10.

[0030] In the embodiment, the plurality of insertion grooves 30 are arranged on the upper end surface of the needle cylinder 1, and the number of the insertion pieces 31 is the same as that of the insertion grooves 30, so that the installation of the blocking plate 32 is more stable.

[0031] In the embodiment, the components of the contact assembly 2 are all made of copper, which has good conductivity, so as to ensure that the contact assembly 2 can transmit the electrical signal of the needle cylinder 1 to the needle head 10.

[0032] Specific implementation process: first, insert the insertion block 21 into the insertion groove 20 from the upper end surface of the needle cylinder 1, then insert the needle head 10 into the needle cylinder 1 through the insertion port 12, so that the circumferential surface of the needle head 10 abuts against the ball 22, then pick up the blocking plate 32, align the insertion pieces 31 with the insertion grooves 30, and then press the blocking plate 32 on the needle cylinder 1.

[0033] The embodiments of the specific implementation are the preferred embodiments of the application, and are not limited to the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A high-stability pogo pin connector, characterized in that, The utility model relates to a needle cylinder (1), needle head (10) and spring (11), the needle cylinder (1) upper end is equipped with the insertion interface (12), the spring (11) is arranged in insertion interface (12), the needle head (10) is inserted in needle cylinder (1) through insertion interface (12), the opposite two sides of needle cylinder (1) inner wall are equipped with the contact subassembly (2) for reducing the friction of needle head (10) and needle cylinder (1).

2. The high stability pogo pin connector according to claim 1, wherein, The contact subassembly (2) includes the insertion slot (20) being set on the inner wall of needle cylinder (1) and along the height direction of needle cylinder (1), the insertion block (21) being inserted in insertion slot (20) and covering insertion slot (20) and the ball (22) being set on the side of insertion block (21) away from insertion slot (20), the ball (22) is embedded in insertion block (21) and is rotatably connected to insertion block (21), and the needle head (10) is inserted in the circumferential surface of needle cylinder (1) and abuts against the ball (22).

3. The high stability pogo pin connector of claim 2, wherein, The insertion slot (20) penetrates the upper end surface of needle cylinder (1).

4. The high stability pogo pin connector of claim 1, wherein, The insertion interface (12) is provided with a plugging structure (3) around the perimeter.

5. The high stability pogo pin connector of claim 4, wherein, The plugging structure (3) includes the insertion groove (30) being set on the upper end surface of needle cylinder (1) around the perimeter of the insertion interface (12) and the plugging plate (32) being fixedly provided with the insertion piece (31) on the bottom surface, the insertion piece (31) is transitionally matched with the insertion groove (30), the plugging plate (32) is provided with the through hole (33) penetrating the plugging plate (32) on the plugging plate (32), and the diameter of the through hole (33) is less than that of the insertion interface (12).

6. The high stability pogo pin connector of claim 2, wherein, The ball (22) is provided with a plurality of balls along the height direction of the insertion block (21).

7. The high stability pogo pin connector of claim 5, wherein, The insertion groove (30) is provided with a plurality of insertion grooves on the upper end surface of the needle cylinder (1), and the number of the insertion piece (31) is the same as that of the insertion groove (30).

8. The high stability pogo pin connector of claim 1, wherein, The components of the contact subassembly (2) are all made of copper.

Images