Four-piece type welding-free fisheye terminal for automobile
By adding four miniature shrapnel to the head of the fisheye terminal for automobiles, forming a blind hole elastic structure, the problem of ordinary fisheye terminals being high in soldering process and unstable in the use of automobiles is solved, and the firmness with the PCB board is achieved. Connection and signal transmission reliability achieves true solderless function.
Patent Information
- Application Number
- CN202420977800.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In the use of ordinary through-hole fish-eye terminals on the market in automobiles, due to the high cost and low efficiency of manual soldering process, and the non-soldered structure is prone to detachment due to the yield deformation of the fish-eye head, causing it to lose elasticity, resulting in functional failure. .
Design a four-piece welding-free fish-eye terminal for automobiles. By adding four micro shrapnels to the head of the fish-eye terminal, a blind hole elastic structure is formed, so that the micro shrapnel always supports both sides of the fish-eye terminal after the fish-eye terminal is inserted into the PCB, and maintains the Elastic deformation to avoid soldering.
It realizes a firm connection between the fisheye terminal and the PCB board, ensuring reliable signal transmission and avoiding disengagement, achieving a true solder-free function.
Smart Images
Figure CN222261440U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric connectors, in particular to a four-piece solder-free fisheye terminal for automobiles. Background Art
[0002] Ordinary through-hole fisheye terminals on the market need to be soldered after being inserted into the PCB board during actual use. The soldering process has high labor costs and low efficiency. Although some structures do not require soldering, the actual use environment of the car is that it is driven in waves and vibrations. The fisheye terminals on the market that do not use solder structures are because the fisheye head of the product itself yields and deforms, loses elasticity, and is easily separated from the PCB, resulting in product failure.
[0003] The four-piece solder-free fisheye terminal for automobiles has optimized the structure in the narrow space at the head of the fisheye terminal, and added four micro springs inside the traditional through-hole fisheye. After the fisheye terminal is inserted into the PCB, the four micro springs of the fisheye always firmly support the two sides of the fisheye, and the four micro springs of the fisheye are always in the elastic deformation stage, realizing the true solder-free function of the product. Utility Model Content
[0004] The utility model aims to provide a four-piece solder-free fisheye terminal for automobiles to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a four-piece solder-free fisheye terminal for automobiles, comprising a connecting part, a connecting section is fixedly connected to the top of the connecting part, an elastic part is fixedly connected to the top of the connecting section, a guide needle tip is fixedly connected to the top of the elastic part, a blind hole is opened inside the elastic part, and micro springs are fixedly connected to the left and right sides of the inner wall of the blind hole.
[0006] Preferably, both the front and rear sides of the blind hole are set as openings, and the blind hole is a fisheye hole with a shape that is wide in the middle and narrow at both ends.
[0007] Preferably, the number of the micro-springs is four, and the four micro-springs form a blind hole elastic structure. With the cooperation of the four micro-springs, the micro-springs can always firmly support the two sides of the fisheye, so that the fisheye terminal forms a good connection with the conductive socket after insertion and will not easily fall out of the conductive socket, making its connection with the conductive socket of the PCB board more firm and signal transmission more reliable, thereby realizing the true solder-free function of the product.
[0008] Preferably, the end of the guide needle tip is in a smooth arc shape, and the widest part of the guide needle tip is smaller than the narrowest part of the elastic part.
[0009] Preferably, the widest part of the connecting section is larger than the narrowest part of the outer diameter of the elastic part.
[0010] Compared with the prior art, the utility model provides a four-piece solder-free fisheye terminal for automobiles, which has the following beneficial effects:
[0011] 1. The four-piece solder-free fisheye terminal for automobiles has optimized the structure in the narrow space of the fisheye terminal head, and added four micro springs inside the traditional through-hole fisheye. After the fisheye terminal is inserted into the PCB, the four micro springs of the fisheye always firmly support the two sides of the fisheye, and the four micro springs of the fisheye are always in the elastic deformation stage, realizing the true solder-free function of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:
[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the structure of the utility model;
[0015] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;
[0016] Figure 4 This is a schematic diagram of the rear view of the structure of the utility model.
[0017] In the figure: 1, connecting part; 2, elastic part; 3, micro spring; 31, blind hole; 4, guide needle tip; 5, connecting section. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] The utility model provides the following technical solutions:
[0021] Combination Figures 1 to 4 A four-piece solder-free fisheye terminal for automobiles includes a connecting part 1, a connecting section 5 is fixedly connected to the top of the connecting part 1, an elastic part 2 is fixedly connected to the top of the connecting section 5, a guide needle tip 4 is fixedly connected to the top of the elastic part 2, a blind hole 31 is opened inside the elastic part 2, and micro springs 3 are fixedly connected to the left and right sides of the inner wall of the blind hole 31.
[0022] The front and rear sides of the blind hole 31 are both set to be openings. The blind hole 31 is a fisheye hole that is wide in the middle and narrow at both ends. There are four micro-shrapnel 3, and the four micro-shrapnel 3 form a blind hole elastic structure. The end of the guide needle tip 4 is a smooth arc shape, and the widest part of the guide needle tip 4 is smaller than the narrowest part of the elastic part 2. The widest part of the connecting section 5 is larger than the narrowest part of the outer diameter of the elastic part 2.
[0023] Furthermore, the four-piece solder-free fisheye terminal for automobiles has optimized the structure in the narrow space at the head of the fisheye terminal, and four micro springs 3 are added inside the traditional through-hole fisheye. After the fisheye terminal is inserted into the PCB, the four micro springs 3 always firmly support the two sides of the fisheye, and the four micro springs 3 of the fisheye are always in the elastic deformation stage.
[0024] During actual operation, when this device is used, the operator inserts the elastic part 2 and the guide needle tip 4 into the via hole of the PCB board. With the cooperation of the four micro springs 3, the micro springs 3 can always firmly support the two sides of the fisheye, and the four micro springs 3 of the fisheye are always in the elastic deformation stage, so that the fisheye terminal forms a good connection with the conductive socket after insertion and will not easily fall out of the conductive socket, making its connection with the conductive socket of the PCB board more firm and the signal transmission more reliable, realizing the true solder-free function of the product.
[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A four-piece solder-free fisheye terminal for automobiles, comprising a connecting portion (1), characterized in that: The top of the connecting portion (1) is fixedly connected to a connecting section (5), the top of the connecting section (5) is fixedly connected to an elastic portion (2), the top of the elastic portion (2) is fixedly connected to a guide needle tip (4), a blind hole (31) is provided inside the elastic portion (2), and micro springs (3) are fixedly connected to the left and right sides of the inner wall of the blind hole (31).
2. The four-piece solder-free fisheye terminal for automobiles according to claim 1, characterized in that: Both the front and rear sides of the blind hole (31) are arranged to be openings. The blind hole (31) is a fisheye hole, and the fisheye hole is wide in the middle and narrow at both ends.
3. The four-piece solder-free fisheye terminal for automobiles according to claim 1, characterized in that: The number of the micro-shrapnel (3) is four, and the four micro-shrapnel (3) form a blind hole elastic structure.
4. The four-piece solder-free fisheye terminal for automobiles according to claim 1, characterized in that: The end of the guide needle tip (4) is in a smooth arc shape, and the widest part of the guide needle tip (4) is smaller than the narrowest part of the elastic part (2).
5. The four-piece solder-free fisheye terminal for automobiles according to claim 1, characterized in that: The widest part of the connecting section (5) is larger than the narrowest part of the outer diameter of the elastic part (2).