Signal transmission vibrating needle with good contact

Abstract

The utility model relates to the technical field of signal transmission vibrating needles, in particular to a signal transmission vibrating needle with good contact performance, which comprises a needle cylinder, a telescopic groove is arranged in the needle cylinder, a spring is connected in the telescopic groove, a mounting column is mounted at the port of the needle cylinder, and a mounting hole is arranged in the middle of the mounting column. The beneficial effects of the utility model lie in that the vibrating needle is stably positioned, mounted and connected with the mounting column through the limiting plate and the connecting rod, is convenient to disassemble, mount, replace and maintain, reduces the frictional wear of the vibrating needle, and keeps the good and stable contact of the vibrating needle; the extending length of the elastic needle can be flexibly adjusted by adjusting the length of the elastic needle extending out of the cylinder cover, so that the insertion contact of the elastic needle is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of signal transmission spring pins, in particular to a signal transmission spring pin with good contact performance. Background Art

[0002] A spring probe is a spring-type probe formed by riveting three basic components: a needle, a needle tube, and a spring through precision equipment. The tail end of the needle is inserted into the needle tube, and under the action of the spring thrust, the needle can move axially along the needle tube.

[0003] Spring-loaded probes are commonly used for precision connections in electronic products such as mobile phones, telecommunications, automobiles, medical devices, and aerospace. These probes connect to circuits and transmit electrical signals. To ensure stable signal transmission, constant electrical contact between the probe tube and the needle is essential.

[0004] For example, the prior art Chinese patent publication number "CN109787012A" provides a spring probe, which includes a needle tube, a needle with its tail end stuck in the needle tube and capable of moving axially along the needle tube, and a spring arranged between the front end of the needle and the bottom of the needle tube and applying thrust to the needle. The open end of the needle tube is circumferentially provided with a plurality of elastic elastic sheets, and the inner side of the elastic sheet is provided with a first flange to prevent the needle from detaching from the needle tube.

[0005] Under the elastic force of the elastic sheet, the first flange of the device is pressed tightly against the outer wall of the needle. A second flange is provided on the outer wall of the needle's tail end, and the second flange is pressed against the first flange under the action of a spring. The spring probe of the present invention has low impedance, stable electrical contact between the needle and the needle tube, and is suitable for high-frequency, high-current signal transmission. It is also easy to assemble, which helps improve assembly efficiency.

[0006] The existing signal transmission spring pins with good contact performance are not stable enough in installation and are prone to shaking and rotating, which causes friction and wear on the spring pins, fails to maintain good and stable contact of the spring pins, and is inconvenient to disassemble, replace and maintain. At the same time, the extension length of the spring pins is relatively fixed, and the extension length of the spring pins cannot be flexibly adjusted to facilitate flexible plug-in contact of the spring pins. Utility Model Content

[0007] The purpose of the utility model is to solve the shortcomings of the prior art, such as the unstable installation of the signal transmission spring pin, the easy shaking and rotation, which leads to friction and wear of the spring pin, the failure to maintain good and stable contact of the spring pin, and the inconvenience of disassembly, replacement and maintenance, and to propose a signal transmission spring pin with good contact.

[0008] To achieve the above objectives, the present invention provides the following technical solutions:

[0009] A signal transmission spring needle with good contact performance is designed, comprising a syringe, a telescopic slot is provided inside the syringe, a spring is connected inside the telescopic slot, a mounting post is installed at the port of the syringe, a mounting hole is opened in the middle of the mounting post, a spring needle passes through the inside of the mounting hole, a limit plate is fixed at the position where the inner end of the spring needle abuts against the outer end of the spring, a connecting rod is fixed on the outside of the limit plate, a connecting hole is opened on the surface of the mounting post, the connecting rod slides through the connecting hole, a nut is fixed on the outer end of the connecting hole, the open end of the syringe is threadedly connected to a cylinder cover, a guide hole is opened in the middle of the cylinder cover, a protective sleeve is bonded to the inner wall of the guide hole, and the protective sleeve is wrapped around the surface of the spring needle.

[0010] Furthermore, there are slide grooves on both sides of the syringe, and positioning holes on both sides of the mounting column. A bolt passes through the inside of the slide groove, and the inner end of the bolt is inserted into the positioning hole. A pad is sleeved on the top of the bolt and located at the top of the slide groove.

[0011] Furthermore, the needle cylinder is a cylindrical knot with one end open, and the spring is arranged horizontally.

[0012] Furthermore, the mounting column is a cylindrical structure and is slidably installed, and the mounting hole is horizontally arranged and aligned with the guide hole.

[0013] Furthermore, the spring pin is a round rod structure and is horizontally arranged, and the limiting plate is a circular plate structure and is located on the inner side of the mounting column and is vertically arranged.

[0014] Furthermore, the connecting rod is a threaded rod structure and is horizontally arranged around the elastic pin. The connecting holes are evenly distributed around the mounting hole. The connecting rod is fastened to the mounting column through the nut.

[0015] Furthermore, the outer side of the open end of the syringe is an external threaded surface, the inner wall of the barrel cover is an internal threaded structure, and they are threadedly connected to each other, and the protective sleeve is made of rubber.

[0016] Furthermore, the length of the slide groove is smaller than the length of the syringe, the positioning hole is a threaded hole structure, and is connected to the inner side of the slide groove by threaded cooperation with the bolt, and the pad is a circular plate structure, and covers the outer side of the slide groove.

[0017] The utility model provides a signal transmission spring needle with good contact performance, which has the following beneficial effects:

[0018] 1. The utility model elastically installs the spring needle inside the syringe through the spring and the mounting column, and the spring needle is stably positioned and installed and connected to the mounting column through the limit plate and the connecting rod, and is convenient for disassembly, installation, replacement and maintenance. Therefore, during the insertion and use process, the spring needle can maintain a stable setting, is not prone to shaking and rotation, reduces the friction and wear of the spring needle, and maintains good and stable contact of the spring needle.

[0019] 2. The utility model provides slide grooves on both sides of the syringe. According to the plug-in condition of the spring needle, the mounting post can be moved along the slide groove inside the telescopic groove to adjust the length of the cylinder cover through which the spring needle extends. The mounting post and the syringe are fastened together by bolts. Therefore, the length of the spring needle extending can be flexibly adjusted to facilitate the plug-in contact of the spring needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of the syringe part structure;

[0022] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the mounting column;

[0023] Figure 4 For this utility model Figure 1 sectional view of

[0024] Figure 5 For this utility model Figure 4 Enlarged view of point A.

[0025] In the figure: 1. Syringe; 2. Telescopic slot; 3. Slide slot; 4. Syringe cover; 5. Protective sleeve; 6. Spring pin; 7. Guide hole; 8. Connecting rod; 9. Bolt; 10. Limit plate; 11. Mounting column; 12. Pad; 13. Positioning hole; 14. Nut; 15. Connecting hole; 16. Mounting hole; 17. Spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Example 1

[0028] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The figure shows a signal transmission spring needle with good contact performance, including a syringe 1, a telescopic slot 2 is provided inside the syringe 1, a spring 17 is connected to the inside of the telescopic slot 2, a mounting post 11 is installed at the end of the syringe 1, a mounting hole 16 is opened in the middle of the mounting post 11, a spring needle 6 passes through the inside of the mounting hole 16, a limit plate 10 is fixed at the inner end of the spring needle 6 and abuts against the outer end of the spring 17, a connecting rod 8 is fixed to the outside of the limit plate 10, a connecting hole 15 is opened on the surface of the mounting post 11, the connecting rod 8 slides through the connecting hole 15, and a nut 14 is fixed to the outer end of the connecting hole 15.

[0029] In the telescopic slot 2 inside the syringe 1, the spring pin 6 is elastically installed by the spring 17 and the mounting column 11, and the spring pin 6 is stably positioned and installed with the mounting column 11 through the limiting plate 10 and the connecting rod 8, and is convenient for disassembly, installation, replacement and maintenance.

[0030] The open end of the syringe 1 is threadedly connected to a cylinder cover 4, a guide hole 7 is opened in the middle of the cylinder cover 4, and a protective sleeve 5 is bonded to the inner wall of the guide hole 7, and the protective sleeve 5 is wrapped around the surface of the elastic needle 6; the outer side of the open end of the syringe 1 is an external threaded surface, and the inner wall of the cylinder cover 4 is an internal threaded structure, and they are threadedly connected to each other, and the protective sleeve 5 is made of rubber.

[0031] During the plugging and use process, the spring pin 6 can be kept stably arranged, not easily shaken or rotated, thereby reducing the friction and wear of the spring pin 6 and maintaining good and stable contact performance of the spring pin 6.

[0032] The syringe 1 is a cylindrical knot with one end open, and the spring 17 is arranged horizontally; the mounting column 11 is a cylindrical structure and is slidably installed, and the mounting hole 16 is arranged horizontally and aligned with the guide hole 7.

[0033] The spring pin 6 is a round rod structure and is horizontally arranged. The limiting plate 10 is a circular plate structure and is located on the inner side of the mounting column 11 and is vertically arranged.

[0034] The connecting rod 8 is a threaded rod structure and is horizontally arranged around the elastic pin 6. The connecting holes 15 are evenly distributed around the mounting hole 16. The connecting rod 8 is fastened to the mounting column 11 through the nut 14.

[0035] Example 2

[0036] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The figure shows a signal transmission spring needle with good contact performance, including a syringe 1, a telescopic slot 2 is provided inside the syringe 1, a spring 17 is connected to the inside of the telescopic slot 2, a mounting post 11 is installed at the end of the syringe 1, a mounting hole 16 is opened in the middle of the mounting post 11, a spring needle 6 passes through the inside of the mounting hole 16, the inner end of the spring needle 6 is fixed to a limit plate 10 at a position abutting the outer end of the spring 17, a connecting rod 8 is fixed to the outside of the limit plate 10, a connecting hole 15 is opened on the surface of the mounting post 11, the connecting rod 8 slides through the connecting hole 15, a nut 14 is fixed to the outer end of the connecting hole 15, the open end of the syringe 1 is threadedly connected to a cylinder cover 4, a guide hole 7 is opened in the middle of the cylinder cover 4, a protective sleeve 5 is bonded to the inner wall of the guide hole 7, and the protective sleeve 5 is wrapped around the surface of the spring needle 6.

[0037] In the telescopic slot 2 inside the syringe 1, the spring pin 6 is elastically installed by the spring 17 and the mounting post 11, and the spring pin 6 is stably positioned and installed and connected to the mounting post 11 through the limit plate 10 and the connecting rod 8, and is convenient for disassembly, installation, replacement and maintenance. Therefore, during the plug-in use process, the spring pin 6 can be kept stably set, and is not prone to shaking and rotation, thereby reducing the friction and wear of the spring pin 6 and maintaining good and stable contact of the spring pin 6.

[0038] There are slide grooves 3 on both sides of the syringe 1, and positioning holes 13 on both sides of the mounting column 11. A bolt 9 passes through the interior of the slide groove 3, and the inner end of the bolt 9 is inserted into the positioning hole 13. A pad 12 is sleeved on the top of the bolt 9 and located at the top of the slide groove 3.

[0039] Slide grooves 3 are provided on both sides of the syringe 1. According to the insertion condition of the spring needle 6, the mounting post 11 can be moved along the slide groove 3 inside the telescopic groove 2 to adjust the length of the cylinder cover 4 extending from the spring needle 6. The mounting post 11 is fastened to the syringe 1 by the bolt 9. Therefore, the extension length of the spring needle 6 can be flexibly adjusted to facilitate the insertion and contact of the spring needle 6.

[0040] The length of the slide groove 3 is smaller than the length of the syringe 1 , the positioning hole 13 is a threaded hole structure, and is threadedly connected to the inner side of the slide groove 3 , and is threadedly connected to the bolt 9 , and the pad 12 is a circular plate structure, and covers the outer side of the slide groove 3 .

[0041] Working method: In the telescopic slot 2 inside the syringe 1, the spring 17 and the mounting column 11 are elastically installed with the spring 6, and the spring needle 6 is stably positioned and installed and connected to the mounting column 11 through the limit plate 10 and the connecting rod 8, and is convenient for disassembly, installation, replacement and maintenance. Therefore, during the plug-in use process, the spring needle 6 can maintain a stable setting, is not prone to shaking and rotation, reduces the friction and wear of the spring needle 6, and maintains good and stable contact of the spring needle 6.

[0042] Slide grooves 3 are provided on both sides of the syringe 1. According to the insertion condition of the spring needle 6, the mounting post 11 can be moved along the slide groove 3 inside the telescopic groove 2 to adjust the length of the cylinder cover 4 extending from the spring needle 6. The mounting post 11 is fastened to the syringe 1 by the bolt 9. Therefore, the extension length of the spring needle 6 can be flexibly adjusted to facilitate the insertion and contact of the spring needle 6.

[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A signal transmission spring needle with good contact performance, comprising a needle barrel (1), characterized in that: The interior of the syringe (1) is provided with a telescopic slot (2), the interior of the telescopic slot (2) is connected with a spring (17), a mounting post (11) is installed at the end of the syringe (1), a mounting hole (16) is opened in the middle of the mounting post (11), a spring pin (6) is passed through the interior of the mounting hole (16), the inner end of the spring pin (6) is fixed with a limit plate (10) at a position abutting against the outer end of the spring (17), a connecting rod (8) is fixed on the outer side of the limit plate (10), a connecting hole (15) is opened on the surface of the mounting post (11), the connecting rod (8) slides through the connecting hole (15), a nut (14) is fixed to the outer end of the connecting hole (15), the open end of the syringe (1) is threadedly connected with a cylinder cover (4), a guide hole (7) is opened in the middle of the cylinder cover (4), a protective sleeve (5) is bonded to the inner wall of the guide hole (7), and the protective sleeve (5) is wrapped around the surface of the spring pin (6).

2. The signal transmission spring pin with good contact performance according to claim 1, characterized in that: Slide grooves (3) are provided on both sides of the syringe (1), and positioning holes (13) are provided on both sides of the mounting column (11). A bolt (9) passes through the interior of the slide groove (3), and the inner end of the bolt (9) is inserted into the positioning hole (13). A pad (12) is sleeved on the top end of the bolt (9) and located at the top end of the slide groove (3).

3. The signal transmission spring pin with good contact performance according to claim 1, characterized in that: The needle cylinder (1) is a cylindrical knot with one end open, and the spring (17) is arranged horizontally.

4. The signal transmission spring pin with good contact performance according to claim 1, characterized in that: The mounting column (11) is a cylindrical structure and is slidably mounted. The mounting hole (16) is horizontally arranged and aligned with the guide hole (7).

5. The signal transmission spring pin with good contact performance according to claim 1, characterized in that: The spring pin (6) is a round rod structure and is arranged horizontally, and the limiting plate (10) is a circular plate structure and is located on the inner side of the mounting column (11) and is arranged vertically.

6. The signal transmission spring pin with good contact performance according to claim 1, characterized in that: The connecting rod (8) is a threaded rod structure and is horizontally arranged around the elastic pin (6). The connecting holes (15) are evenly distributed around the mounting hole (16). The connecting rod (8) is fastened to the mounting column (11) via the nut (14).

7. The signal transmission spring needle with good contact performance according to claim 1, characterized in that: The outer side of the open end of the syringe (1) is an external threaded surface, and the inner wall of the cylinder cover (4) is an internal threaded structure, and they are threadedly connected to each other, and the protective sleeve (5) is made of rubber material.

8. The signal transmission spring needle with good contact performance according to claim 2, characterized in that: The length of the slide groove (3) is smaller than the length of the syringe (1); the positioning hole (13) is a threaded hole structure and is connected to the inner side of the slide groove (3) by threaded cooperation with the bolt (9); the pad (12) is a circular plate structure and covers the outer side of the slide groove (3).

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