Array type multi-signal transmission vibrating needle with good contact

Abstract

The utility model relates to the technical field of transmission vibrating needles, in particular to an array type multi-signal transmission vibrating needle with good contact performance, which comprises a base station, a needle seat penetrating through the interior of the base station is arranged on the surface of the base station, a via hole penetrating through the interior of the needle seat is arranged on the surface of the needle seat, and a vibrating needle main body is arranged in the via hole. The outer wall face of the vibrating needle body is attached to the inner wall face of the via hole in a sliding mode, the surface of the vibrating needle body penetrates through the via hole and extends outwards, a needle tail is arranged at one end of the vibrating needle body, and the needle tail and the vibrating needle body are of an integrated structure. The plurality of pin seats are embedded and fixed in the base station, and the elastic pin main bodies are inserted and butted with the corresponding pin seats, so that the plurality of groups of elastic pin main bodies can form a signal transmission elastic pin group in an array form, and when the single elastic pin main body is butted with the pin seat, the single elastic pin main body is compressed and reset through the first spring; the arc-shaped pin and the arc-shaped groove slide, bounce in, abut against and abut against each other, and it can be guaranteed that the bouncing needle body and the needle base are positioned and fixed.

Description

Technical Field

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

[0002] A spring probe is a precision connector used in electronic products such as mobile phones. The spring probe usually includes a needle shaft, a needle tube, and a spring. The spring is arranged in the needle tube, and the needle shaft is inserted in the needle tube.

[0003] When the needle shaft is squeezed by the components, the spring is compressed and moves axially, the outer surface of the needle shaft contacts the inner surface of the needle tube, and the electrical signal is transmitted from the needle shaft to the needle tube.

[0004] The spring probe is a carrier for transmitting signals and currents. It is hardware for achieving power supply or conduction. Most of the time, the spring probe needle contacts the copper wall obliquely downward. The spring of the spring probe bears a small amount of gravity, so the inner wall of the copper sleeve is required to be smooth.

[0005] At present, when assembling multiple groups of array-distributed signal transmission pins, most of the time, the pins are placed on an insulating plastic base during installation. The two penetrate each other and are fixed by resin glue. However, when a problem occurs with a single pin, such as failure to retract or local corrosion, it is necessary to disassemble and replace one or more pins. The above installation method is cumbersome to disassemble and easily damages other pins without problems. Utility Model Content

[0006] The purpose of the utility model is to solve the above-mentioned shortcomings in the prior art and to propose an array-type multi-signal transmission spring needle with good contact performance.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An array-type multi-signal transmission spring needle with good contact is designed, including a base, a needle seat penetrating the interior of the base is provided on the surface of the base, a through hole penetrating the interior of the needle seat is provided on the surface of the needle seat, a spring needle body is provided inside the through hole, and the outer wall surface of the spring needle body is slidably pressed against the inner wall surface of the through hole, the surface of the spring needle body extends outward through the through hole, and a needle tail is provided at one end of the spring needle body, the needle tail and the spring needle body are an integrated structure, and one end surface of the needle tail is tightly pressed against a side surface of the needle seat, a groove is provided inside the needle seat, and the grooves are symmetrically distributed along the inner wall of the through hole, an arc-shaped pin is provided inside the groove, and the surface of the arc-shaped pin is slidably pressed against the inner wall of the groove, a first spring is provided inside the groove, and the two ends of the first spring are respectively welded and fixed to the arc-shaped pin and the inner wall of the groove, an arc-shaped groove is provided on the outer wall surface of the spring needle body, and the arc-shaped groove interacts and presses against the arc surface of the arc-shaped pin.

[0009] In detail, a built-in groove is formed at the end of the elastic needle body, a needle head is arranged inside the built-in groove, and the outer wall surface of the needle head and the inner wall surface of the built-in groove are slidably connected with each other.

[0010] In detail, a second spring is arranged inside the built-in groove, and two ends of the second spring are respectively welded and fixed to the surface of the needle head and the inner wall surface of the built-in groove.

[0011] In detail, a limiting block is arranged on the surface of the needle, and the end surface of the limiting block is bonded and fixed to the outer wall of the needle. The number of the limiting blocks is at least two and they are evenly distributed.

[0012] In detail, a limiting groove is provided on the inner wall of the built-in groove, the limiting groove is a strip-shaped structure, and the inner wall surface of the limiting groove and the outer wall surface of the limiting block are slidably and tightly arranged with each other.

[0013] In detail, a conductive sleeve is slidably sleeved on the outer wall of the elastic needle body, and the ends of several conductive sleeves are commonly connected to the same conductive plate. The outer wall of the conductive sleeve is provided with notches, and the number of the notches is at least two and evenly distributed.

[0014] In detail, the needle tail, the elastic needle body, the arc pin, the first spring, the needle head, the second spring, the limit block, the conductive sleeve and the conductive plate are all made of copper-nickel alloy material.

[0015] In detail, the base and the needle seat are both made of high-temperature resistant and high-strength plastic material.

[0016] The design scheme proposed by the utility model has the following beneficial effects during application:

[0017] 1. Multiple needle seats are embedded and fixed in the base, and then the elastic needle body is inserted and docked with the corresponding needle seat, so that multiple groups of elastic needle bodies can form an array-shaped signal transmission elastic needle group. When a single elastic needle body is docked with the needle seat, it is compressed and reset by the first spring, so that the arc pin and the arc groove slide and bounce into the docking, which can ensure the position of the elastic needle body and the needle seat. At the same time, when the elastic needle body needs to be replaced and disassembled, the elastic needle body can be pulled to squeeze the arc pin and compress the first spring into the groove to complete the separation of the elastic needle body and the needle seat.

[0018] 2. The extension and retraction of the second spring can ensure the stable extension and retraction of the needle and the elastic needle body. The sliding setting of the limit block and the limit groove can avoid the needle and the elastic needle body from slipping when the second spring is extended and disengaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the bottom of the overall structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the internal structure of the overall structure of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of point a of the utility model;

[0023] Figure 5 It is an enlarged schematic diagram of point b of the utility model.

[0024] In the figure: 10, base; 11, needle seat; 12, through hole; 13, needle tail; 14, spring needle body; 15, groove; 16, arc pin; 17, first spring; 18, arc groove; 20, built-in groove; 21, needle head; 22, second spring; 23, limit block; 24, limit groove; 30, conductive sleeve; 31, conductive plate; 32, notch. DETAILED DESCRIPTION

[0025] 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 of the embodiments.

[0026] Reference Figure 1-Figure 5The invention discloses an array-type multi-signal transmission spring needle with good contact performance, comprising a base 10, a needle seat 11 penetrating the inside of the base 10 is arranged on the surface of the base 10, a through hole 12 penetrating the inside of the needle seat 11 is opened on the surface of the needle seat 11, a spring needle body 14 is arranged inside the through hole 12, and the outer wall surface of the spring needle body 14 is slidably attached to the inner wall surface of the through hole 12, the surface of the spring needle body 14 extends outward through the through hole 12, and a needle tail 13 is arranged at one end of the spring needle body 14, the needle tail 13 and the spring needle body 14 are an integrated structure, and one end of the needle tail 13 is A surface is tightly arranged with a surface of one side of the needle seat 11, a groove 15 is opened inside the needle seat 11, and the grooves 15 are symmetrically distributed along the inner wall of the through hole 12, an arc pin 16 is arranged inside the groove 15, and the surface of the arc pin 16 is tightly slidably fitted with the inner wall of the groove 15, a first spring 17 is arranged inside the groove 15, and the two ends of the first spring 17 are respectively welded and fixed to the arc pin 16 and the inner wall of the groove 15, an arc groove 18 is arranged on the outer wall surface of the elastic needle body 14, and the arc groove 18 interacts and tightly fits with the arc surface of the arc pin 16.

[0027] It should be further explained that a built-in groove 20 is formed at the end of the elastic needle body 14 , a needle head 21 is disposed inside the built-in groove 20 , and the outer wall surface of the needle head 21 and the inner wall surface of the built-in groove 20 are slidably connected to each other.

[0028] It should be further explained that a second spring 22 is disposed inside the built-in groove 20 , and two ends of the second spring 22 are respectively welded and fixed to the surface of the needle 21 and the inner wall surface of the built-in groove 20 .

[0029] It should be further explained that a limit block 23 is provided on the surface of the needle 21, and the end face of the limit block 23 is bonded and fixed to the outer ring wall of the needle 21. There are at least two limit blocks 23 and they are evenly distributed, which can ensure the telescopic balance of the needle 21.

[0030] It should be further explained that a limiting groove 24 is provided on the inner wall of the built-in groove 20, and the limiting groove 24 is a strip structure. The inner wall surface of the limiting groove 24 and the outer wall surface of the limiting block 23 are slidingly arranged in close contact with each other, which can prevent the needle 21 and the built-in groove 20 from slipping off.

[0031] It should be further explained that a conductive sleeve 30 is slidably sleeved on the outer wall of the elastic needle body 14, and the ends of several conductive sleeves 30 are commonly connected to the same conductive plate 31. A notch 32 is opened on the outer wall of the conductive sleeve 30, and the number of the notches 32 is at least two and evenly distributed. The conductive plate 31 can be installed with the power-on component to form a transitional power-on structure.

[0032] It should be further explained that the needle tail 13, the elastic needle body 14, the arc pin 16, the first spring 17, the needle head 21, the second spring 22, the limit block 23, the conductive sleeve 30 and the conductive plate 31 are all made of copper-nickel alloy material, which has sufficient hardness and ensures the power-on effect.

[0033] It should be further explained that the base 10 and the needle seat 11 are both made of high-temperature resistant and high-strength plastic materials, and have good insulation and protection effects.

[0034] Working method: When the elastic needle body 14 needs to be installed, the elastic needle body 14 is inserted into the through hole 12 reserved in the needle seat 11. When the outer wall of the elastic needle body 14 is constantly in contact with the through hole 12, it will synchronously contact the arc surface part of the arc pin 16. Through the form of extrusion, the arc pin 16 compresses the first spring 17 into the groove 15, so that the elastic needle body 14 can completely pass through the through hole 12. When the position of the arc pin 16 corresponds to the position of the arc groove 18, the reset effect of the first spring 17 causes the arc pin 16 to bounce into the through hole arc groove 18, thereby completing the fixation of the elastic needle body 14 and the needle seat 11.

[0035] By embedding and fixing a plurality of needle seats 11 in the base 10, and then cooperating with the elastic needle body 14 to be inserted and docked with the corresponding needle seat 11, the plurality of elastic needle bodies 14 can form an array-shaped signal transmission elastic needle group. When a single elastic needle body 14 docks with the needle seat 11, it is reset by the compression of the first spring 17, so that the arc pin 16 and the arc groove 18 slide and bounce into the docking, which can ensure that the position of the elastic needle body 14 and the needle seat 11 is positioned and fixed. At the same time, when the elastic needle body 14 needs to be replaced and disassembled, the elastic needle body 14 can be pulled to squeeze the arc pin 16 and compress the first spring 17 into the groove 15, so that the elastic needle body 14 and the needle seat 11 can be separated.

[0036] The extension and retraction of the second spring 22 can ensure the stable extension and retraction of the needle 21 and the elastic needle body 14. The sliding arrangement of the limit block 23 and the limit groove 24 can prevent the needle 21 and the elastic needle body 14 from slipping when the second spring 22 is extended and disengaged.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An array-type multi-signal transmission spring needle with good contact performance, comprising a base (10), characterized in that: The surface of the base (10) is provided with a needle seat (11) penetrating therein, the surface of the needle seat (11) is provided with a through hole (12) penetrating therein, the interior of the through hole (12) is provided with a spring needle body (14), and the outer wall surface of the spring needle body (14) is slidably and tightly attached to the inner wall surface of the through hole (12), the surface of the spring needle body (14) extends outward through the through hole (12), and a needle tail (13) is provided at one end of the spring needle body (14), the needle tail (13) and the spring needle body (14) are an integrated structure, and one end surface of the needle tail (13) is tightly attached to a side surface of the needle seat (11). A groove (15) is provided inside the needle seat (11), and the grooves (15) are symmetrically distributed along the inner wall of the through hole (12); an arc-shaped pin (16) is provided inside the groove (15), and the surface of the arc-shaped pin (16) is slidably in close contact with the inner wall of the groove (15); a first spring (17) is provided inside the groove (15), and the two ends of the first spring (17) are respectively welded and fixed to the arc-shaped pin (16) and the inner wall of the groove (15); an arc-shaped groove (18) is provided on the outer wall surface of the elastic needle body (14), and the arc-shaped groove (18) is interactively and closely contacted with the arc surface of the arc-shaped pin (16).

2. The array-type multi-signal transmission spring pin with good contact performance according to claim 1, characterized in that: The end of the elastic needle body (14) is provided with a built-in groove (20), the interior of the built-in groove (20) is provided with a needle head (21), and the outer wall surface of the needle head (21) and the inner wall surface of the built-in groove (20) are slidably sleeved with each other.

3. The array-type multi-signal transmission spring pin with good contact performance according to claim 2, characterized in that: A second spring (22) is arranged inside the built-in groove (20), and two ends of the second spring (22) are respectively welded and fixed to the surface of the needle head (21) and the inner wall surface of the built-in groove (20).

4. The array-type multi-signal transmission spring pin with good contact performance according to claim 3, characterized in that: A limiting block (23) is arranged on the surface of the needle (21), and the end surface of the limiting block (23) is bonded and fixed to the outer wall of the needle (21), and the number of the limiting blocks (23) is at least two and they are distributed.

5. The array-type multi-signal transmission spring pin with good contact performance according to claim 4, characterized in that: A limiting groove (24) is provided on the inner wall of the built-in groove (20), the limiting groove (24) is a strip-shaped structure, and the inner wall surface of the limiting groove (24) and the outer wall surface of the limiting block (23) are arranged to slide and closely contact each other.

6. The array-type multi-signal transmission spring pin with good contact performance according to claim 5, characterized in that: A conductive sleeve (30) is slidably sleeved on the outer wall of the elastic needle body (14), the ends of a plurality of conductive sleeves (30) are commonly connected to a same conductive plate (31), and a notch (32) is provided on the outer wall surface of the conductive sleeve (30), and the number of the notches (32) is at least two and is evenly distributed.

7. The array-type multi-signal transmission spring pin with good contact performance according to claim 6, characterized in that: The needle tail (13), the elastic needle body (14), the arc pin (16), the first spring (17), the needle head (21), the second spring (22), the limit block (23), the conductive sleeve (30) and the conductive plate (31) are all made of a copper-nickel alloy material.

8. The array-type multi-signal transmission spring pin with good contact performance according to claim 7, characterized in that: The base (10) and the needle seat (11) are both made of high-temperature resistant and high-strength plastic material.

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