Improved connector structure

By introducing elastic contacts and ball guide structures into the connector, the problem of unstable contact under the influence of environmental factors in traditional connectors is solved, achieving stable connection and low contact resistance, and improving the reliability and smoothness of the connection.

CN224123621UActive Publication Date: 2026-04-14JET MICRO (SHANGHAI) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520632186.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-04-14
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Traditional connectors are susceptible to relative displacement between pins and sockets under environmental factors such as vibration, temperature changes, and humidity. This leads to increased contact resistance, accelerated wear, and affects the stability and reliability of signal transmission.

Method used

The use of elastic contacts and ball guide structure ensures a stable connection between the pin and the slot. The elasticity of the elastic contacts and the ball guide sliding connection increase the contact area and adaptability, reduce contact resistance, and improve the stability and smoothness of the connection.

Benefits of technology

It achieves a stable connection between the pins and the slot, reduces contact resistance, improves connection stability and fault tolerance, and enhances the smoothness and reliability of the socket and plug connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of connectors, and discloses an improved connector structure, which comprises a socket and a plug, an inner groove is arranged in the socket, and a curved pin is arranged in the plug; and the inner groove is internally provided with four groups of elastic contact pieces. According to the improved connector structure, the stability of connection between the socket and the plug can be effectively enhanced, the sliding butt joint between the socket and the plug in the prior art is changed into rolling butt joint, the connection smoothness between the socket and the plug is improved, more labor is saved during butt joint or separation, and meanwhile, the guide rail type butt joint plays a role in guiding a path during butt joint; according to the utility model, the curved contact pin is prevented from being damaged due to improper angle during butt joint, meanwhile, the novel curved contact pin and the annular slot formed by the elastic contact element are adopted, stable contact pressure is guaranteed, the contact area is increased, the contact resistance is effectively reduced, certain self-adaptability to the insertion angle deviation of the contact pin is realized, and the fault-tolerant rate of connection is improved.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to an improved connector structure. Background Technology

[0002] As a key component in electronic devices that enables electrical connections and signal transmission, the performance of connectors directly affects the stability and reliability of the entire system.

[0003] Traditional connectors come in various types, such as circular connectors, rectangular connectors, and strip connectors. Their basic structure usually consists of a plug (male end) and a socket (female end). The plug part contains pins that are connected to the wires by soldering or crimping. The socket part has a socket to receive the pins and achieve electrical connection.

[0004] In practical use, the contact resistance between the pins and sockets of traditional connectors is easily affected by environmental factors such as vibration, temperature changes, and humidity, which can lead to relative displacement between the pins and sockets, causing wear and oxidation at the contact interface. This reduces the reliability of the connection and can cause faults such as signal transmission interruption or instability. At the same time, mechanical friction during the insertion and removal process can cause wear on the surface of the contact parts. As the number of insertion and removal cycles increases, the wear intensifies, the contact performance gradually declines, and eventually fails to meet the requirements for normal operation.

[0005] Therefore, it is necessary to propose an improved connector structure. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an improved connector structure that enables the pins to have stable contact pressure, ensuring a stable connection between the pins and the slot, and solving the problems mentioned in the background art.

[0007] This utility model provides the following technical solution: an improved connector structure, including a socket and a plug:

[0008] The socket has an internal groove, and the plug has a curved pin installed inside.

[0009] The inner groove is equipped with four sets of elastic contacts arranged in a ring around the center line of the inner groove. The four sets of elastic contacts form a ring slot, and the curved pin is inserted into the inside of the ring slot.

[0010] Preferably, the outer surface of the socket is provided with a guide groove, and a ball bearing is limited and rolled on the opposite side of the guide groove. A guide rail is fixedly connected to the inner wall of the plug. The outer surface of the guide rail is movably connected to the inside of the guide groove. Side grooves are provided on both sides of the guide rail, and the inside of the side grooves is rotatably connected to the outer surface of the ball bearing.

[0011] Preferably, the socket has slots on both sides, and the lower ends of the plug are fixedly connected to L-shaped blocks on both sides, with the outer surface of the end of the L-shaped block engaging with the inside of the slot.

[0012] Preferably, the curved pins are provided in four sets, and the four sets of curved pins are matched with the annular slots.

[0013] Preferably, the guide groove is provided in four sets, and the four sets of guide grooves are adapted to be equipped with four sets of guide rails.

[0014] Preferably, the inner sidewall of the guide groove is provided with multiple sets of balls, and the multiple sets of balls are evenly arranged.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In this improved connector structure, when the socket and plug are connected, a set of curved pins inside the plug inserts into an annular slot composed of four sets of elastic contacts. The elasticity of the contacts ensures a tight fit between the inner surface of the elastic contacts and the outer surface of the curved pins. Simultaneously, a guide rail inside the plug slides into a guide groove, and ball bearings on the opposite side of the guide groove roll into side grooves on both sides of the guide rail, ensuring stability during socket and plug mating. When the socket and plug are fully mated, L-shaped locking blocks on both sides of the plug end engage with the locking slots, completing the connection. The plug connection, with its unique structure, effectively enhances the stability of the socket and plug connection. It changes the existing sliding connection to a rolling connection, improving the smoothness of the connection and making connection or separation easier. The guide rail connection guides the connection path, preventing damage to the curved pins due to improper angles. The use of a new type of curved pin and an annular slot composed of elastic contacts ensures stable contact pressure, increases the contact area, effectively reduces contact resistance, and provides some adaptability to pin insertion angle deviations, thus improving the connection's fault tolerance. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0019] Figure 2 This is a schematic diagram of the socket part of this utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the socket of this utility model;

[0021] Figure 4 This is a schematic diagram of the plug part of this utility model;

[0022] Figure 5 This is a schematic diagram of the connection structure between the socket and the plug of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Socket; 110. Guide groove; 111. Ball bearing; 120. Slot; 130. Annular slot; 140. Resilient contact; 150. Inner groove;

[0025] 2. Plug; 210. Curved pin; 220. Guide rail; 221. Side groove; 230. L-shaped locking block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 An improved connector structure includes a socket 1 and a plug 2:

[0028] The socket 1 has an inner groove 150 inside, and the plug 2 has a curved pin 210 inside;

[0029] The inner groove 150 is equipped with four sets of elastic contact members 140, which are arranged in a ring around the center line of the inner groove 150. The four sets of elastic contact members 140 form a ring slot 130, and the curved pin 210 is inserted into the inside of the ring slot 130.

[0030] When making a connection, a set of curved pins 210 inside the plug 2 are inserted into the annular slot 130 composed of four sets of elastic contacts 140. Through the elastic action of the elastic contacts 140, the inner side of the elastic contacts 140 is tightly fitted with the outer surface of the curved pins 210.

[0031] The elastic contact 140 is made of beryllium copper alloy, which has high conductivity, high elasticity and wear resistance.

[0032] As a preferred technical solution of this utility model, the outer surface of the socket 1 is provided with a guide groove 110, and the opposite side of the guide groove 110 is limited by rolling balls 111. The inner wall of the plug 2 is fixedly connected with a guide rail 220, the outer surface of the guide rail 220 is movably connected to the inside of the guide groove 110, and both sides of the guide rail 220 are provided with side grooves 221, the inside of the side grooves 221 is rollingly connected to the outer surface of the balls 111.

[0033] The guide rail 220 inside the plug 2 slides into the guide groove 110, and the ball bearings 111 on the opposite side of the guide groove 110 are in rolling connection with the side grooves 221 on both sides of the guide rail 220, thereby ensuring the stability of the socket 1 and the plug 2 when they are connected.

[0034] As a preferred technical solution of this utility model, slots 120 are provided on both sides of the socket 1, and L-shaped blocks 230 are fixedly connected to both sides of the lower end of the plug 2. The outer surface of the end of the L-shaped block 230 is engaged with the inside of the slot 120.

[0035] When socket 1 and plug 2 are fully connected, the L-shaped locking blocks 230 installed on both sides of the end of plug 2 engage with the inside of the locking slot 120, completing the connection between socket 1 and plug 2.

[0036] The L-shaped locking block 230 is made of thermoplastic elastomer, which has both hardness and elasticity. When disconnecting the socket 1 and plug 2, the L-shaped locking block 230 is pushed outward to disengage it from the slot 120. This disconnects the socket 1 and plug 2, ensuring the stability of the connection between them and facilitating disassembly.

[0037] As a preferred technical solution of this utility model, four sets of curved pins 210 are provided, and the four sets of curved pins 210 are matched with the annular slots 130.

[0038] As a preferred technical solution of this utility model, the guide groove 110 is provided in four sets, and the four sets of guide grooves 110 are adapted to be matched with four sets of guide rails 220.

[0039] As a preferred technical solution of this utility model, the inner sidewall of the guide groove 110 is provided with multiple sets of balls 111, and the multiple sets of balls 111 are evenly arranged.

[0040] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An improved connector structure, comprising a socket (1) and a plug (2), characterized in that: The socket (1) has an inner groove (150) inside, and the plug (2) has a curved pin (210) inside; The inner groove (150) is equipped with an elastic contact (140), and four sets of elastic contact (140) are arranged in a ring around the center line of the inner groove (150). The four sets of elastic contact (140) form an annular slot (130), and the curved pin (210) is inserted into the annular slot (130).

2. The improved connector structure according to claim 1, characterized in that: The outer surface of the socket (1) is provided with a guide groove (110), and a ball bearing (111) is limited and rolled on the opposite side of the guide groove (110). The inner wall of the plug (2) is fixedly connected with a guide rail (220), and the outer surface of the guide rail (220) is movably connected to the inside of the guide groove (110). Side grooves (221) are provided on both sides of the guide rail (220), and the inside of the side grooves (221) is rolledly connected to the outer surface of the ball bearing (111).

3. The improved connector structure according to claim 1, characterized in that: The socket (1) has slots (120) on both sides, and the plug (2) has L-shaped blocks (230) fixedly connected to both sides of its lower end. The outer surface of the end of the L-shaped block (230) engages with the inside of the slot (120).

4. The improved connector structure according to claim 1, characterized in that: The curved pins (210) are provided in four sets, and the four sets of curved pins (210) are matched with the annular slots (130).

5. The improved connector structure according to claim 2, characterized in that: The guide groove (110) is provided in four sets, and the four sets of guide grooves (110) are adapted to be matched with four sets of guide rails (220).

6. The improved connector structure according to claim 2, characterized in that: The guide groove (110) has multiple sets of balls (111) arranged on its inner sidewall, and the multiple sets of balls (111) are evenly arranged.