Backoff extrusion type PogoPin elastic needle
The PogoPin spring pin, with its inverted, squeeze-in structure, utilizes a combination design of the needle tip and the needle tube to solve the problem of miniaturization in existing technologies, achieving stable fixation and cost savings on PCB boards with limited space.
Patent Information
- Application Number
- CN202423224383.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The existing PogoPin spring pins, with their riveting or dual-tube extrusion structures, cannot achieve product miniaturization and cannot be adapted for use on PCBs with limited space.
It adopts an inverted insertion structure, which uses the combination of the anti-retraction inverted clip of the needle tip and the inner ring of the needle tube. The needle tip is pressed into the needle tube and fixed by inverted clip through the stamping process. The toughness and rebound of the material are used to prevent it from falling off, and it can be adapted to PCB boards with limited space.
The PogoPin spring pin has been miniaturized, enabling it to be stably fixed on a PCB board with limited space, reducing the number of components and saving costs.
Smart Images
Figure CN223583278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to PogoPin technical field especially relates to a kind of PogoPin elastic needle of reverse buckle extrusion. BACKGROUND
[0002] In the PogoPin elastic needle product processing industry of prior art, riveting structure or double-tube extrusion structure is generally used.The two kinds of conventional assembly processes can meet the structure application of conventional PogoPin elastic needle.But when the structure and size of a small part of product are limited, assembly cannot be completed, which is not conducive to customer product design and affects PCB board space design. UTILITY MODEL CONTENT
[0003] The utility model aims at providing a kind of PogoPin elastic needle of reverse buckle extrusion, to solve the technical problem that riveting or double-tube extrusion structure PogoPin elastic needle in prior art cannot realize product miniaturization to adapt to be applied on the PCB board in limited space.
[0004] To achieve the above-mentioned purpose, the utility model embodiment provides a kind of PogoPin elastic needle of reverse buckle extrusion, including needle, needle tube and spring, the outer periphery of the needle is provided with needle head outer ring located above and the anti-backout reverse buckle located below, the anti-backout reverse buckle is provided with guide angle face, the inner periphery bottom of the needle tube is provided with needle tube inner ring, the spring is sleeved outside the needle, the needle is inserted into the top of the needle tube and until the anti-backout reverse buckle extrudes the needle tube inner ring and then reversely buckled on the outer bottom surface of the needle tube inner ring, the both ends of the spring are respectively abutted with the needle tube inner ring and the needle head outer ring.
[0005] Preferably, the inner periphery top of the needle tube is provided with inner chamfer.
[0006] Preferably, the needle and the needle tube are both brass material and are provided with gold plating layer on surface.
[0007] Preferably, the outer periphery of the needle tube is provided with needle tube outer ring.
[0008] Preferably, the outer periphery of the needle tube is further provided with inner shrinkage annular groove, and the inner shrinkage annular groove is located below the needle tube outer ring.
[0009] The technical scheme provided by the PogoPin elastic needle with reverse buckling extrusion of the utility model embodiment has at least one of the following technical effects: the needle, the spring and the needle tube are assembled in sequence, wherein, the stamping process is used to press the needle into the needle tube. At the anti-back-off reverse buckling of the needle, the diameter is greater than the hole diameter of the tail of the needle tube. When assembling, the needle is pressed downward by using the guide positioning. Because the material has certain toughness and rebound, after being pressed in, the hole diameter of the tail of the needle tube restores, the anti-back-off reverse buckling keeps the needle from rebounding and falling off, the needle is buckled in the outer bottom surface of the inner ring of the needle tube by using the toughness and rebound of the needle material after the anti-back-off reverse buckling of the needle extrudes the inner ring of the needle tube, so that the needle is fixed and formed, and the anti-falling function is achieved. In this way, even if the height of the inner periphery of the needle tube is not enough for riveting, the needle can be positioned and fixed without worrying about the inability to position and fix the needle, so that the PogoPin elastic needle with smaller size can be manufactured, and the product is suitable for being applied to the PCB board in limited space. BRIEF DESCRIPTION OF DRAWINGS
[0010] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0011] Fig. 1 The structure diagram of the PogoPin elastic needle with reverse buckling extrusion provided by the utility model embodiment.
[0012] Fig. 2 The sectional view of the PogoPin elastic needle with reverse buckling extrusion provided by the utility model embodiment.
[0013] Fig. 3 The structure exploded view of the PogoPin elastic needle with reverse buckling extrusion provided by the utility model embodiment.
[0014] In the drawings, various reference signs are as follows:
[0015] 10-needle 11-needle outer ring 12-anti-back-off reverse buckling
[0016] 20-needle tube 21-needle tube inner ring 22-inner chamfer
[0017] 23-needle tube outer ring 24-inner shrink annular groove 30-spring
[0018] 121-guide angle surface. DETAILED DESCRIPTION
[0019] Embodiments of the present application will be described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The following will be described by referring to the drawings, and the embodiments described are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application. Figs. 1-3 Embodiments described are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0020] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0021] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.
[0022] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0023] In one embodiment of the present application, as shown in Figs. 1-2 A reverse buckle extrusion type Pogo Pin is provided, which comprises a needle head 10, a needle tube 20 and a spring 30, the outer periphery of the needle head 10 is provided with a needle head outer ring 11 located above and a reverse buckle 12 located below, the reverse buckle 12 is provided with a guide angle surface 121, the inner periphery bottom of the needle tube 20 is provided with a needle tube inner ring 21, the spring 30 is sleeved outside the needle head 10, the needle head 10 penetrates into the top of the needle tube 20 and is buckled on the outer bottom surface of the needle tube inner ring 21 after being extruded out of the needle tube inner ring 21 by the reverse buckle 12, and the two ends of the spring 30 abut against the needle tube inner ring 21 and the needle head outer ring 11, respectively.
[0024] The finished needle 10, spring 30, needle tube 20 are assembled in sequence, wherein, the needle 10 is pressed into the needle tube 20 by using a stamping process. At the anti-back-off undercut 12 of the needle 10, the diameter is larger than the hole diameter of the tail of the needle tube 20. When assembling, the guide angle surface 121 provided on the anti-back-off undercut 12 is used to press downward. Due to the resilience and rebound of the material, after pressing in, the hole diameter of the tail of the needle tube 20 restores, and the anti-back-off undercut 12 keeps the needle 10 from rebounding and falling off due to the inner ring 21 of the needle tube, the resilience and rebound of the material of the needle 10 are used to extrude the anti-back-off undercut 12 of the needle 10 to the outer bottom surface of the inner ring 21 of the needle tube 20, so as to be fixed and formed, and have the anti-falling function. In this way, even if the height of the top of the inner periphery of the needle tube 20 is not enough for riveting, it is not necessary to worry about the positioning and fixing of the needle 10, and thus a PogoPin needle with smaller size can be manufactured, so as to adapt to the PCB board applied in limited space.
[0025] In an embodiment of the present application, the top of the inner periphery of the needle tube 20 is provided with an inner chamfer 22. The provision of the inner chamfer 22 is beneficial to guide the needle 10 to be pressed into the top of the needle tube 20, and facilitates assembly.
[0026] In an embodiment of the present application, the needle 10 and the needle tube 20 are both made of brass and are provided with a gold plating layer on the surface. Specifically, the needle 10 and the needle tube 20 made of brass and subjected to gold plating treatment on the surface can improve the anti-oxidation function of the product and reduce the contact impedance when conducting.
[0027] In an embodiment of the present application, the outer periphery of the needle tube 20 is provided with a needle tube outer ring 23. Specifically, the needle tube outer ring 23 is provided to fix the position thereof during assembly, and to ensure stability and reliability when the needle 10 is further extruded.
[0028] In an embodiment of the present application, the outer periphery of the needle tube 20 is further provided with an inner retraction annular groove 24, and the inner retraction annular groove 24 is located below the needle tube outer ring 23. The provision of the inner retraction annular groove 24 makes the outer diameter of the tail end of the needle tube 20 smaller, which is more beneficial to guiding.
[0029] The undercut extrusion type PogoPin needle of the present application reduces parts and saves cost compared with the extrusion type PogoPin needle product of the prior art, optimizes the size limitation of the PogoPin needle product in some scenes, and is beneficial to customer selection.
[0030] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A reverse extrusion Pogo Pin, characterized by: The needle, needle tube and spring are included, the outer periphery of the needle is provided with an upper needle outer ring and a lower anti-back-off reverse buckle, the anti-back-off reverse buckle is provided with a guide angle surface, the inner periphery bottom of the needle tube is provided with a needle tube inner ring, the spring is sleeved outside the needle, the needle penetrates into the top of the needle tube and is buckled on the outer bottom surface of the needle tube inner ring after the needle tube inner ring is extruded by the anti-back-off reverse buckle, and the two ends of the spring respectively abut against the needle tube inner ring and the needle outer ring.
2. The inverted extruded Pogo Pin spring according to claim 1, characterized in that: The inner periphery top of the needle tube is provided with an inner chamfer.
3. The inverted extruded Pogo Pin spring needle of claim 1, wherein: The needle and the needle tube are both made of brass and are provided with a gold plating layer on the surface.
4. The inverted extruded Pogo Pin spring needle of claim 1, wherein: The outer periphery of the needle tube is provided with a needle tube outer ring.
5. The inverted extruded Pogo Pin spring needle of claim 4, wherein: The outer periphery of the needle tube is also provided with a retracted annular groove, and the retracted annular groove is located below the needle tube outer ring.