A connector with high connection stability

Abstract

The present application relates to a connector with high connection stability, belonging to the technical field of connectors. It includes a hole seat, a female pin and a fixing member. An insertion pin cavity for inserting and fixing the female pin is formed on one side of the hole seat. The female pin includes a wiring portion, a limiting portion and a pin connecting portion connected in sequence. The fixing member is installed on the hole seat, and the fixing member is installed on the side of the limiting portion close to the opening of the insertion pin cavity. An insertion hole communicating with the insertion pin cavity is formed on the side surface of the hole seat far from the fixing member. A positioning post inserted into the interior of the pin connecting portion is fixedly arranged on the opening edge of the insertion hole close to the insertion pin cavity, and a plurality of positioning bumps for limiting the outer side surface of the pin connecting portion are fixedly arranged on the inner wall of the insertion pin cavity. In the present application, after multiple insertions and extractions, the interference of the positioning bumps on the inner wall of the housing on the terminal makes the insertion and extraction force tend to be stable, thereby ensuring the insertion and extraction stability of the terminal and improving the overall performance of the connector.

Description

Technical Field

[0001] This application relates to the technical field of connectors, and in particular to a connector with high connection stability. Background Art

[0002] Connectors, especially those that include a pin socket and a hole socket and can be plugged into each other, are indispensable components in electronic devices. The working principle of a connector is based on physical contact and electrical principles. When the pins on the pin socket are inserted into the jacks or contacts of the hole socket, due to the good electrical conductivity and appropriate contact force between the pins and the jacks or contacts, a stable electrical connection can be formed. This connection allows current or signals to be transmitted between electronic devices.

[0003] In the related art, a utility model with the publication number CN117855921B, a connector, includes a hole socket, female pins, and a fixing member. One of the surfaces of the hole socket is provided with a pin insertion cavity, the female pins are inserted into the pin insertion cavity, and the female pins are used to connect with the wires of the branch line. The fixing member is detachably connected to the hole socket. The female pins include a limiting portion, the fixing member is located on one side of the limiting portion close to the opening of the pin insertion cavity, and the fixing member is used to abut against the female pins.

[0004] When this connector is applied to scenarios that require frequent plugging and unplugging, problems gradually emerge. Frequent plugging and unplugging often lead to loosening of the connection between the female pins and the hole socket, significantly reducing the holding force of the hole socket on the female pins, and further affecting the performance of the connector. This may not only affect the normal operation of the connector but also pose potential safety hazards, indicating room for improvement. Summary of the Invention

[0005] The purpose of this application is to provide a connector with high connection stability, solving the problem that after a period of plugging and unplugging in the above-mentioned related art, the holding force between the female pins and the pin socket decreases and loosening is likely to occur.

[0006] A connector with high connection stability provided by this application adopts the following technical solutions:

[0007] A connector with high connection stability includes a hole socket, female pins, and a fixing member. One side of the hole socket is provided with a pin insertion cavity for inserting and fixing the female pins. The female pins include a wiring portion, a limiting portion, and a pin receiving portion connected in sequence. The fixing member is installed on the hole socket, and the fixing member is installed on one side of the limiting portion close to the opening of the pin insertion cavity. An insertion hole communicating with the pin insertion cavity is provided on the side surface of the hole socket away from the fixing member; a positioning post inserted into the inside of the pin receiving portion is fixed on the edge of the opening of the insertion hole close to the pin insertion cavity, and a plurality of positioning protrusions for limiting the outer side surface of the pin receiving portion are fixed on the inner wall of the pin insertion cavity.

[0008] By adopting the above technical solution, a positioning post is fixedly arranged on the opening edge of the insertion hole close to the pin cavity. The positioning post can penetrate into the interior of the needle receiving part, playing a role in precise guiding and stable supporting. At the same time, a plurality of positioning bumps are fixedly arranged on the inner wall of the pin cavity. These positioning bumps form an effective limiting structure on the outer side surface of the needle receiving part. After multiple insertions and extractions, through the interference of the positioning bumps on the inner wall of the housing on the terminals, the insertion and extraction force tends to be stable, thus ensuring the insertion and extraction stability of the terminals and improving the overall performance of the connector.

[0009] Optionally, a swingable housing hook is arranged on one surface of the hole seat. One end of the housing hook is a pressing end. The fixing member includes a fixing seat, a retaining block corresponding to the number of female pins, a limiting block for controlling the pressing stroke of the housing hook, and a locking plate detachably connected to the housing hook. A locking notch for the upper protrusion on the pressing end to be inserted into is formed on the locking plate.

[0010] By adopting the above technical solution, the pressing end of the housing hook is convenient for users to operate, and the unlocking and locking states of the housing hook can be controlled by pressing. The locking notch on the locking plate cooperates with the upper protrusion on the pressing end, ensuring the stability of the housing hook in the locked state and also realizing the assembly locking of the fixing member and the hole seat. At the same time, the limiting block effectively controls the pressing stroke of the housing hook, preventing damage caused by excessive operation. This design not only improves the operation convenience of the connector, but also significantly enhances the stability and safety of the connection between the female pins and the hole seat, providing a strong guarantee for the stable signal transmission between electronic devices.

[0011] Optionally, an elastic clamping plate is fixedly arranged on the outer side surface of the needle receiving part, and a limiting clamping groove for the elastic clamping plate to be inserted into is formed on the inner wall of the pin cavity.

[0012] By adopting the above technical solution, an elastic clamping plate is added on the outer side surface of the needle receiving part of the connector and cooperates with the limiting clamping groove on the inner wall of the pin cavity to realize a further stable connection between the female pins and the hole seat. The elastic clamping plate has certain elasticity and restoring force, and can automatically be inserted into the limiting clamping groove during the process of inserting the female pins into the pin cavity, forming a reliable locking structure. This design not only simplifies the installation process of the connector, improves the installation efficiency, but also effectively prevents the accidental detachment of the female pins during the insertion and extraction process, enhancing the stability and safety of the connection. At the same time, the cooperation between the elastic clamping plate and the limiting clamping groove also has a certain tolerance, and can adapt to a certain degree of manufacturing tolerance and installation error, further improving the reliability and durability of the connector.

[0013] Optionally, several of the positioning bumps are symmetrically and fixedly arranged on the opposite inner walls of the pin cavity.

[0014] By adopting the above technical solution, the balance and accuracy of the female needle during insertion are ensured through symmetric distribution. This structural layout helps to reduce the connection looseness caused by improper installation or external force impact, improving the overall reliability and durability of the connector. At the same time, the symmetric positioning bump design also simplifies the manufacturing and assembly processes of the connector, reducing production costs and enhancing production efficiency. Therefore, this technical solution has significant advantages in improving the connection stability and production efficiency of the connector.

[0015] Optionally, a first inclined surface is provided on the edge of the positioning bump facing the opening of the pin cavity.

[0016] By adopting the above technical solution, the setting of the first inclined surface helps the smoothness of the female needle when inserting into the pin cavity. During the insertion process of the female needle, the first inclined surface can play a guiding role, guiding the female needle to gradually enter the interior of the pin cavity along the correct path, reducing the insertion difficulty caused by the deviation of the insertion angle or excessive resistance.

[0017] Optionally, a second inclined surface is provided on the edge of the positioning post facing the opening of the pin cavity.

[0018] By adopting the above technical solution, the existence of the second inclined surface helps the female needle, especially its pin contact part, to insert into the pin cavity more smoothly. During the insertion process, the second inclined surface can guide the pin contact part to gradually enter the interior of the pin cavity along the inclined surface, reducing the resistance and wear caused by direct collision, and at the same time reducing the potential damage risk to the structure of the pin contact part.

[0019] Optionally, a number of bubble points are fixedly provided on the two inner walls of the pin contact part opposite to each other, and a limiting groove corresponding to the bubble points is provided on the side of the pin contact part away from the bubble points.

[0020] By adopting the above technical solution, the setting of the bubble points increases the contact area and friction force between the pin contact part and the jack or contact, thereby improving the connection stability and reliability. When a male pin is inserted into the pin contact part, the bubble points can closely fit with the outer side surface of the male pin, forming an effective physical connection to prevent the connector from loosening or falling off during use.

[0021] Optionally, a fixing plate is provided inside the pin cavity, a fixing through hole for the positioning post to pass through is provided on the fixing plate, and two limiting plates are fixedly arranged side by side on one side of the fixing plate; a gap for the pin contact part to be placed is preset between the two limiting plates, and the side surfaces of the two limiting plates close to each other are in tight contact with the outer side surface of the pin contact part opposite to it, and the pin contact part is tightened inward under the extrusion of the two limiting plates.

[0022] By adopting the above technical solution, during the installation process, the pin - receiving part of the female pin can be pre - placed between the two limiting plates, and the inner side surfaces of the limiting plates tightly abut against the outer side surface of the pin - receiving part. This pre - setting method not only simplifies the installation steps of the female pin, but also, through the extrusion effect of the limiting plates, enables the pin - receiving part to be in a stable state before installation, greatly reducing the risk of deformation of the female pin during the installation process. When the female pin and the fixing component as a whole are installed into the pin - inserting cavity, the positioning post can smoothly penetrate through the fixing through - hole, and at the same time, the elastic clamping plate accurately snaps into the corresponding limiting card slot. This series of actions not only ensures the correct positioning of the female pin in the pin - inserting cavity, but also, through the combined action of the positioning post, the fixing plate, the limiting plates and the positioning bumps, realizes multiple limit and stable support for the female pin.

[0023] Optionally, limiting protrusions capable of being snapped into the limiting grooves are fixedly arranged on the mutually - approaching side surfaces of the two limiting plates.

[0024] By adopting the above technical solution, when the pin - receiving part is placed between the two limiting plates, the limiting protrusions can accurately snap into the limiting grooves to form an effective locking structure. This design not only restricts the shaking and misalignment of the pin - receiving part during the plugging and unplugging process, but also improves the overall connection strength and reliability of the connector.

[0025] Optionally, guiding convex plates are fixedly arranged on the mutually - distant side surfaces of the two limiting plates, and a guiding gap for the guiding convex plates to be snapped into is preset between adjacent positioning bumps on the inner wall of the pin - inserting cavity on the same side.

[0026] By adopting the above technical solution, when the pin - receiving part is placed between the two limiting plates, the limiting protrusions can accurately snap into the limiting grooves to form an effective locking structure. This design not only restricts the shaking and misalignment of the pin - receiving part during the plugging and unplugging process, but also improves the overall connection strength and reliability of the connector. In addition, the design of the limiting protrusions also simplifies the installation and disassembly process of the connector. The user only needs to align the pin - receiving part with the gap between the limiting plates and gently push to complete the installation. Similarly, during disassembly, the user only needs to apply an appropriate force to make the limiting protrusions disengage from the limiting grooves, realizing the quick disassembly of the connector.

[0027] In summary, the present application includes the following beneficial technical effects:

[0028] The connector fixedly sets a positioning post on the opening edge of the insertion hole close to the pin - inserting cavity, and this positioning post can penetrate into the inside of the pin - receiving part, playing a role of precise guidance and stable support. At the same time, a plurality of positioning bumps are fixedly arranged on the inner wall of the pin - inserting cavity, and these positioning bumps form an effective limiting structure on the outer side surface of the pin - receiving part; after multiple pluggings and unplugging, through the interference of the positioning bumps on the inner wall of the housing on the terminal, the plugging and unplugging force tends to be stable, thereby ensuring the plugging and unplugging stability of the terminal and improving the overall performance of the connector. Brief Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of the present application;

[0031] Figure 2 It is an exploded structure schematic diagram of Embodiment 1 of the present application;

[0032] Figure 3 It is a sectional structure schematic diagram showing the installation and cooperation of the mother needle in Embodiment 1 of the present application;

[0033] Figure 4 It is a structure schematic diagram showing the installation distribution of the wiring part, the limiting part and the needle receiving part in Embodiment 1 of the present application;

[0034] Figure 5 It is a partial sectional structure schematic diagram showing the installation distribution of the positioning column and the positioning convex block in Embodiment 1 of the present application;

[0035] Figure 6 It is a partial sectional structure schematic diagram showing the installation distribution of the positioning column and the positioning convex block in Embodiment 1 of the present application;

[0036] Figure 7 It is a sectional structure schematic diagram showing the installation and cooperation of the mother needle in Embodiment 2 of the present application;

[0037] Figure 8 It is a structure schematic diagram showing the assembly and cooperation of the fixing component and the mother needle in Embodiment 2 of the present application;

[0038] Figure 9 It is a structure schematic diagram showing the assembly and cooperation of the fixing plate and the limiting plate in Embodiment 2 of the present application;

[0039] Figure 10 It is a partial sectional structure schematic diagram showing the installation and cooperation of the limiting plate in Embodiment 2 of the present application.

[0040] In the figure, 1 is a hole seat; 11 is a pin insertion cavity; 111 is a guiding gap; 12 is an insertion hole; 13 is a shell catch; 131 is a pressing end; 14 is a limit card slot; 15 is a positioning post; 151 is a second inclined surface; 16 is a positioning bump; 161 is a first inclined surface; 2 is a female pin; 21 is a wiring part; 22 is a limiting part; 23 is a pin connecting part; 231 is an elastic clamping plate; 232 is a bubble point; 233 is a limiting groove; 3 is a fixing part; 31 is a fixing seat; 32 is an anti-back-off block; 33 is a limiting block; 34 is a locking plate; 341 is a locking notch; 4 is a fixing component; 41 is a fixing plate; 411 is a fixing through hole; 42 is a limiting plate; 421 is a limiting protrusion; 422 is a guiding convex plate. Detailed implementation mode

[0041] The following further elaborates on this application in conjunction with all the attached drawings.

[0042] Embodiment 1:

[0043] Refer to Figure 1 、 Figure 2 and Figure 3 A connector with high connection stability includes a hole seat 1, a female pin 2 and a fixing part 3. The number of female pins 2 is three, and three pin insertion cavities 11 for inserting and fixing the three female pins 2 are provided on one side of the pin seat; in other implementation modes, the number of female pins 2 can also be one, two, four or more.

[0044] The female pin 2 includes a wiring part 21, a limiting part 22 and a pin connecting part 23 that are connected in sequence. The three wiring parts 21, limiting parts 22 and pin connecting parts 23 are integrally processed; an insertion hole 12 communicating with the pin insertion cavity 11 is provided on the side surface of the hole seat 1 away from the fixing part 3. The fixing part 3 is installed on the hole seat 1, and the fixing part 3 is installed on the side of the limiting part 22 close to the opening of the pin insertion cavity 11 to prevent the female pin 2 from falling out of the pin insertion cavity 11.

[0045] Refer to Figure 2 and Figure 3 On one surface of the hole seat 1, a swingable shell catch 13 is integrally formed. The fixing part 3 includes a fixing seat 31, anti-back-off blocks 32 corresponding to the number of female pins 2, a limiting block 33 for controlling the pressing stroke of the shell catch 13, and a locking plate 34 detachably connected to the shell catch 13. The fixing seat 31, anti-back-off blocks 32, limiting block 33 and locking plate 34 are integrally injection molded;

[0046] One end of the housing catch 13 is a pressing end 131. By pressing the pressing end 131, the unlocking of the hole seat 1 and the corresponding pin seat is controlled; a locking notch 341 is formed on the locking plate 34 for the upper convex of the pressing end 131 to be inserted; when the fixing member 3 and the hole seat 1 are assembled, the anti-return block 32 is inserted into the pin insertion cavity 11, the limiting block 33 slides into the space between the pressing end 131 and the outer side surface of the hole seat 1, and the upper convex of the pressing end 131 is inserted into the locking notch 341.

[0047] Refer to Figure 3 and Figure 4 , an elastic clamping plate 231 is integrally formed on the outer side surface of the pin receiving portion 23, and a limiting card slot 14 for the elastic clamping plate 231 to be inserted is formed on the inner wall of the pin insertion cavity 11; after the female pin 2 is installed inside the pin insertion cavity 11, the elastic clamping plate 231 is inserted into the corresponding limiting card slot 14, and then the anti-return block 32 on the fixing member 3 is used to lock the pin receiving portion 23.

[0048] Refer to Figure 4 and Figure 5 , two bubble points 232 are fixedly provided on the opposite inner walls of the pin receiving portion 23, a limiting groove 233 corresponding to the bubble points 232 is formed on the side surface of the pin receiving portion 23 far from the bubble points 232, and the two bubble points 232 are formed by stamping with a stamping device; when the hole seat 1 of the connector is inserted and matched with the corresponding pin seat, the corresponding male pin penetrates through the insertion hole 12 and then is inserted into the pin receiving portion 23, and the outer side surface of the bubble point 232 abuts against the male pin, increasing the tightness and stability of the connection.

[0049] Refer to Figure 5 and Figure 6 , a positioning post 15 inserted into the pin receiving portion 23 is integrally formed on the opening edge of the insertion hole 12 close to the pin insertion cavity 11, and four positioning bumps 16 for limiting the outer side surface of the pin receiving portion 23 are integrally formed on the inner wall of the hole seat 1 in the pin insertion cavity 11, and two of the four positioning bumps 16 are in a group and are symmetrically and fixedly provided on the opposite inner walls of the pin insertion cavity 11 respectively;

[0050] A first inclined surface 161 is provided on the edge of the positioning bump 16 facing the opening of the pin insertion cavity 11, and a second inclined surface 151 is provided on the edge of the positioning post 15 facing the opening of the pin insertion cavity 11; during the process of inserting the female pin 2 into the pin insertion cavity 11, it can be installed more efficiently along the first inclined surface 161 and the second inclined surface 151;

[0051] After the female pin 2 is installed, the four positioning bumps 16 limit the outer side surface of the pin receiving portion 23, and the positioning post 15 is inserted into the pin receiving portion 23 for auxiliary positioning; during the application of this connector, after multiple insertions and extractions, the inner wall of the housing interferes with the terminals, making the insertion and extraction force tend to be stable and ensuring the stability of terminal insertion and extraction.

[0052] The implementation principle of the embodiment of the present application is as follows:

[0053] Through structures such as the positioning posts 15 on the insertion holes 12 and the positioning bumps 16 in the pin cavity 11, the connector optimizes the installation process of the female pins 2 and improves the installation efficiency. After multiple insertions and extractions, through the interference of the inner wall of the housing on the terminals, the insertion and extraction force of the connector tends to be stable, thereby ensuring the insertion and extraction stability of the terminals and enhancing the overall performance of the connector.

[0054] Embodiment 2:

[0055] Referring to Figure 7 、 Figure 8 Figure 9 and Figure 10 In this embodiment, the difference from Embodiment 1 is that a fixing component 4 is provided inside the pin cavity 11. The fixing component 4 includes a fixing plate 41 and two limiting plates 42 fixedly arranged side by side on one side of the fixing plate 41. A fixing through hole 411 is provided on the fixing plate 41 for the positioning post 15 to penetrate and communicate with the insertion hole 12. A gap for the needle connecting part 23 to be placed is preset between the two limiting plates 42;

[0056] On the side surfaces of the two limiting plates 42 close to each other, a limiting protrusion 421 that can be snapped into the limiting groove 233 is integrally formed; on the side surfaces of the two limiting plates 42 far from each other, a guiding convex plate 422 is integrally formed. A guiding gap 111 for the guiding convex plate 422 to be snapped into is preset between adjacent positioning bumps 16 on the inner wall of the same side;

[0057] When assembling the connector, the female pin 2 is pre-installed between the two limiting plates 42 first, so that the side surfaces of the two limiting plates 42 close to each other are in tight contact with the outer side surface of the needle connecting part 23 opposite thereto, and the limiting protrusion 421 is snapped into the corresponding limiting groove 233. At this time, the needle connecting part 23 is tightened inward under the extrusion of the two limiting plates 42, so as to pre-install the female pin 2 and the fixing component 4; during this process, the two limiting plates 42 can also tightly limit the needle connecting part 23, reducing the possibility of deformation of the female pin 2 during the subsequent installation process;

[0058] Then, the female pin 2 and the fixing component 4 are integrally installed into the pin cavity 11. During this process, the limiting convex plate slides into the pin cavity 11 along the guiding gap 111 until the positioning post 15 penetrates the fixing through hole 411, and the elastic clamping plate 231 is snapped into the corresponding limiting card slot 14; finally, the female pin 2 is further locked using the fixing member 3.

[0059] The implementation principle of the embodiment of the present application is as follows:

[0060] During assembly, first, by making use of the tight fit between the limit plate 42 and the needle - receiving part 23 of the female needle 2, with the limit protrusion 421 snapped into the limit groove 233, the female needle 2 is pre - installed and kept stable under the extrusion of the two limit plates 42. Subsequently, the pre - installed female needle 2 and the fixing component 4 are taken as a whole and slid into the guiding gap 111 on the inner wall of the needle - inserting cavity 11 until the positioning post 15 penetrates through the fixing through - hole 411 and the elastic clamping plate 231 is snapped into the limit clamping groove 14 to achieve preliminary fixation. Finally, the female needle 2 is further locked by the fixing member 3 to ensure the stability and reliability of the entire connector.

[0061] Unless otherwise defined, the terms or scientific terms used in this application shall have the ordinary meanings understood by those of ordinary skill in the field to which this application pertains. The words such as "first", "second", "third" and similar words used in the text of this application do not denote any order, quantity or importance, but are only used to distinguish different components. The words such as "a" or "an" do not denote a quantity limitation, but mean that there is at least one. The words such as "including" or "comprising" mean that the elements or objects appearing before "including" or "comprising" cover the elements or objects listed after "including" or "comprising" and their equivalents, and do not exclude other elements or objects. The terms such as "up", "down", "left", "right" are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationships may also change accordingly.

[0062] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape and principle of this application shall be covered within the protection scope of this application.

Claims

1. A connector with high connection stability, comprising a socket (1), a female pin (2) and a fixing member (3); a pin cavity (11) for inserting and fixing the female pin (2) is provided on one side of the socket (1); the female pin (2) comprises a wiring portion (21), a stop portion (22) and a pin receiving portion (23) connected in sequence; the fixing member (3) is mounted on the socket (1); the fixing member (3) is mounted on a side of the stop portion (22) close to an opening of the pin cavity (11); an insertion hole (12) communicating with the pin cavity (11) is provided on a side of the socket (1) away from the fixing member (3); It is characterized in that A positioning column (15) inserted into the interior of the pin contact part (23) is fixedly provided on the opening edge of the insertion hole (12) close to the pin insertion cavity (11); a plurality of positioning protrusions (16) for limiting the outer side surface of the pin contact part (23) are fixedly provided on the inner wall of the pin insertion cavity (11); a plurality of bubble points (232) are fixedly provided on two opposite inner walls of the pin contact part (23); A fixing plate (41) is provided inside the pin insertion cavity (11), and a fixing through hole (411) is provided on the fixing plate (41) for the positioning column (15) to pass through. Two limiting plates (42) are fixedly provided side by side on one side of the fixing plate (41); a gap is preset between the two limiting plates (42) for the needle receiving portion (23) to be inserted, and the side surfaces of the two limiting plates (42) that are close to each other are pressed against the outer side surfaces of the needle receiving portion (23), and the needle receiving portion (23) is tightened inwardly under the pressure of the two limiting plates (42); A limiting groove (233) corresponding to the bubble point (232) is provided on the side of the needle connection portion (23) away from the bubble point (232); a limiting protrusion (421) capable of being inserted into the limiting groove (233) is fixedly provided on the sides of the two limiting plates (42) close to each other; a guiding convex plate (422) is fixedly provided on the sides of the two limiting plates (42) away from each other; and a guiding gap (111) for the guiding convex plate (422) to be inserted is preset between adjacent positioning protrusions (16) on the inner wall of the needle insertion cavity (11) on the same side.

2. A connector with high connection stability according to claim 1, characterized in that: A shell hook (13) capable of swinging is arranged on one of the surfaces of the hole seat (1), and one end of the shell hook (13) is a pressing end (131); the fixing member (3) comprises a fixing seat (31), a stop block (32) corresponding to the number of the female needles (2), a limit block (33) for controlling the pressing stroke of the shell hook (13), and a locking plate (34) detachably connected to the shell hook (13), and the locking plate (34) is provided with a locking notch (341) for the upper protrusion of the pressing end (131) to be inserted.

3. A connector with high connection stability according to claim 1, characterized in that: An elastic clamping plate (231) is fixedly provided on the outer surface of the pin connection portion (23), and a limiting clamping groove (14) for the elastic clamping plate (231) to be clamped is provided on the inner wall of the pin insertion cavity (11).

4. A connector with high connection stability according to claim 1, characterized in that: A plurality of positioning protrusions (16) are symmetrically fixed on two opposite inner walls of the pin insertion cavity (11).

5. A connector with high connection stability according to claim 1, characterized in that: A first inclined surface (161) is provided on the edge of the positioning protrusion (16) facing the opening of the pin cavity (11).

6. A connector with high connection stability according to claim 1, characterized in that: A second inclined surface (151) is provided on the opening edge of the positioning column (15) facing the pin insertion cavity (11).

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