Male end connector

Abstract

The present application relates to the technical field of electrical connections, and relates in particular to a male end connector, which comprises a fixed body, a floating body arranged within the fixed body, and elastic terminals arranged on the fixed body and the floating body; the male end connector further comprises: an engagement portion, the engagement portion being located between a first holding portion and a second elastic arm, and the engagement portion being arranged at an incline; and a third elastic arm, the third elastic arm being located between the engagement portion and the second elastic arm, one end of the third elastic arm being fixedly connected to the engagement portion, the other end being fixedly connected to the second elastic arm, and a gap being present between the third elastic arm and the fixed body. The present application has the effects of increasing the floating range of male end connectors and reducing the possibility of floating connector failure.

Description

A male connector Technical Field

[0001] The present application relates to the technical field of electrical connectors, and in particular to a male connector. Background Art

[0002] As cars develop toward new energy vehicles and autonomous driving features, automotive electronic systems are becoming increasingly complex, quantized, and integrated. Therefore, the PCBs in electronic modules are becoming increasingly important. To achieve better connections between PCBs, more diverse connectors are needed. Due to errors in the assembly of PCBs in the X / Y / Z directions, the male connector parts float. To minimize damage to these parts, they need to be able to float freely in the X / Y / Z directions.

[0003] The existing male connector includes a fixed body, a floating body located within the fixed body, an elastic terminal snap-fitted to the fixed body and the floating body, and a welding reinforcement plate fixed to the fixed body. The ends of the elastic terminal are welded to the outer wall of the PCB board, and the ends of the welding reinforcement plate are welded to the side wall of the PCB board. With the support of the elastic terminal, the fixed body and the floating body are kept in relative floating relationship. Referring to FIG5 , the elastic terminal includes a fixed portion 20, a first retaining portion 5 integrally fixed to the fixed portion 20, a second elastic arm 6 integrally fixed to an end of the first retaining portion 5 away from the fixed portion 20, a first elastic arm 21 integrally fixed to the second elastic arm 6, a second retaining portion 22 integrally fixed to the first elastic arm 21, and a contact portion 23 integrally fixed to the second retaining portion 22. The fixed portion 20 is welded to the side wall of the PCB board, the first retaining portion 5 is fixedly connected to the fixed body, the second retaining portion 22 is fixedly connected to the floating body, a gap exists between the first elastic arm 21 and the floating body, and the second elastic arm 6 is located between the fixed body and the floating body, so that the fixed body and the floating body are kept in relative floating relationship.

[0004] In the male connector, the gap between the portion between the first retaining portion and the second elastic arm on the elastic terminal and the fixed body is small, which makes the floating range of the male connector small, and there is room for improvement.

[0005] Summary of the Invention

[0006] In order to increase the floating range of the male connector, the present application provides a male connector.

[0007] This application provides a male connector, which adopts the following technical solution:

[0008] A male end connector comprises a fixed body, a floating body arranged inside the fixed body, and elastic terminals arranged on the fixed body and the floating body, wherein the elastic terminal is provided with a first elastic arm and a second elastic arm, and further comprising:

[0009] a connecting portion, the connecting portion being located between the first holding portion and the second elastic arm, the connecting portion being arranged at an angle;

[0010] A third elastic arm is located between the connecting portion and the second elastic arm, one end of the third elastic arm is fixedly connected to the connecting portion, and the other end is fixedly connected to the second elastic arm, and there is a gap between the third elastic arm and the fixed body.

[0011] By adopting the above technical solution, the floating body is located inside the fixed body under the support of the elastic terminal, and the floating body is able to float in the fixed body under the support of the first elastic arm and the second elastic arm; the setting of the connecting part makes a gap between the third elastic arm and the fixed body, and in the process of plugging the female connector onto the male connector, the floating body floats in the fixed body, and the third elastic arm swings, thereby increasing the floating range of the floating connector and making it easier for the floating connector to connect the two PCB boards.

[0012] Optionally, a buffer portion is provided on the elastic terminal, the buffer portion is wavy, the buffer portion is located between the second retaining portion and the first elastic arm, the buffer portion is inclined, and the angle between the length direction of the buffer portion and the length direction of the second retaining portion is an obtuse angle.

[0013] By adopting the above technical solution, since the floating body floats in the fixed body, the connection part between the first elastic arm and the first holding part is subjected to greater stress. The setting of the buffer part has the function of reducing deformation and absorbing stress, reducing the deformation of the connection between the first elastic arm and the first holding part, separating the first holding part from the first elastic arm, and making the first elastic arm bend more freely, thereby making the floating body float more freely.

[0014] Optionally, a limiting piece is fixed on the side wall of the second elastic arm, and an end of the limiting piece can abut against the side wall of the floating body.

[0015] By adopting the above technical solution, the staff can adjust the angle between the limiting plate and the second elastic arm according to the floating degree of the floating body, and adjust the distance between the limiting plate and the floating body. During the floating process of the floating body, the end of the limiting plate can contact the outer wall of the floating body. The setting of the limiting plate facilitates the adjustment of the floating degree of the floating body. When the floating body needs to have a larger floating gap, it is only necessary to set the side wall of the limiting plate to be flush with the side wall of the second elastic arm.

[0016] Optionally, a mounting groove is provided on the side wall of the floating body, a driving frame is hinged on the inner wall of the mounting groove, the driving frame and the limiting piece are arranged in a one-to-one correspondence, and the end of the limiting piece can abut against the side wall of the driving frame.

[0017] By adopting the above technical solution, in the process of plugging the female connector onto the male connector, it is necessary to control the plugging angle of the female connector, so that the floating amplitude of the floating body is large, so it is necessary to make the floating body have a large floating gap; after the female connector is plugged onto the male connector, in order to make the plugging of the male connector and the female connector more stable, it is necessary to limit the floating of the floating body. After the female connector is plugged onto the floating body, the female connector abuts against the driving frame, driving the driving frame to rotate, and the end of the driving frame abuts against the end of the limiting plate, which limits the elastic deformation of the second elastic arm, thereby making the connection between the male connector and the female connector more stable.

[0018] Optionally, an abutment portion is fixed to the end of the limiting piece, and the abutment portion can abut against the side wall of the driving frame, and the abutment portion is arranged in an arc shape on one side facing the driving frame.

[0019] By adopting the above technical solution, when the second elastic arm needs to be supported, the abutment portion is abutted against the outer wall of the floating body, or the abutment portion is abutted against the side wall of the driving frame. The abutment portion arranged in a circular arc reduces the friction between the limiting plate and the driving frame, making the abutment between the limiting plate and the driving frame smoother.

[0020] Optionally, an elastic member for returning the drive frame to its original position is provided on the inner wall of the mounting groove, one end of the elastic member is fixedly connected to the inner wall of the mounting groove, and the other end is fixedly connected to the outer wall of the drive frame.

[0021] By adopting the above technical solution, when the limiting plate is separated from the floating body, the driving frame is located in the installation groove under the traction of the elastic member, reducing the possibility of interference with the swing of the elastic terminal; in the process of the female connector driving the driving frame to rotate, the elastic member is stretched, and the setting of the elastic member pulls the driving frame, which facilitates the resetting of the driving frame.

[0022] Optionally, a plurality of positioning grooves are provided on the side wall of the first holding portion, and a plurality of positioning grooves are also provided on the side wall of the second holding portion.

[0023] By adopting the above technical solution, the opening of the positioning groove makes the side wall of the first holding part serrated, thereby increasing the contact area between the first holding part and the floating body, and limiting the relative position between the first holding part and the floating body, thereby making the fixation between the first holding part and the floating body more stable.

[0024] Optionally, the elastic terminal further includes a support plate, which is fixed to the end of the contact portion away from the first elastic arm, and a limiting hole is provided on the inner wall of the floating body, and the end of the support plate away from the contact portion abuts against the inner wall of the limiting hole.

[0025] By adopting the above technical solution, after the elastic terminal is fixed on the fixed body and the floating body, the end of the support piece abuts against the inner wall of the limiting hole, and the opening of the limiting hole limits the support piece, making the support of the support piece and the floating body more stable; under the support of the support piece, the outer wall of the contact part protrudes, thereby making the connection contact between the female connector and the male connector more stable, reducing the possibility of failure of the connection between the male connector and the female connector

[0026] Optionally, a plurality of fixing grooves are provided on the outer wall of the fixing body, and solder feet are clamped and fixed on the inner walls of the fixing grooves, and the ends of the solder feet are fixed to the side walls of the PCB board by welding.

[0027] By adopting the above technical solution, the fixing groove is opened to fix the soldering foot, and the staff welds and fixes the end of the soldering foot to the side wall of the PCB board, thereby fixing the position of the fixed body.

[0028] Optionally, a plurality of limiting grooves are provided on the outer wall of the welding foot, and the outer wall of the welding foot is stepped.

[0029] By adopting the above technical solution, the opening of the limiting groove makes the welding foot step-shaped, which increases the contact area between the welding foot and the fixed body, better fixes the welding foot, and thus makes the connection between the welding foot and the fixed body more stable.

[0030] In summary, this application includes at least one of the following beneficial technical effects:

[0031] 1. The setting of the connecting part creates a gap between the second elastic arm, the second retaining part and the fixed body, and a gap between the third elastic arm and the fixed body. This allows the third elastic arm to swing during the floating process of the floating body, thereby increasing the floating range of the male connector and improving the reliability of the floating connector.

[0032] 2. The staff can adjust the angle between the limit plate and the second elastic arm according to the floating range requirements of the male connector. When it is necessary to reduce the floating range of the male connector, pull the limit plate to increase the angle between the limit plate and the second elastic arm. The limit plate can contact the outer wall of the floating body, and the limit plate limits the swing of the second elastic arm, thereby reducing the floating range of the male connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] FIG1 is a schematic diagram of the overall structure of the male connector in an embodiment of the present application.

[0034] FIG2 is an exploded view of the fixed body in the male connector in the embodiment of the present application.

[0035] FIG3 is a schematic structural diagram of the floating body portion in an embodiment of the present application.

[0036] FIG4 is a schematic diagram of the overall structure of the elastic terminal in an embodiment of the present application.

[0037] FIG5 is a schematic diagram of the overall structure of an elastic terminal in the prior art.

[0038] Figure markings: 1. Fixed body; 2. Floating body; 3. Elastic terminal; 4. Connecting portion; 5. First holding portion; 6. Second elastic arm; 7. Third elastic arm; 8. Buffer portion; 9. Limiting plate; 10. Mounting groove; 11. Driving frame; 12. Abutting portion; 14. Positioning groove; 15. Supporting plate; 16. Limiting hole; 17. Fixing groove; 18. Welding foot; 19. Limiting groove; 20. Fixing portion; 21. First elastic arm; 22. Second holding portion; 23. Contact portion. DETAILED DESCRIPTION

[0039] The present application is further described in detail below with reference to Figures 1-4.

[0040] An embodiment of the present application discloses a male end connector.

[0041] Referring to Figure 1, a male connector includes a fixed body 1, and a plurality of fixing grooves 17 are formed on the side wall of the fixed body 1. In the present application, four fixing grooves 17 are preferably formed, and the four fixing grooves 17 are respectively located at the four corners of the fixed body 1. Solder legs 18 are clamped and fixed in the fixing grooves 17. The ends of the solder legs 18 are welded and fixed to the side wall of the PCB board. The fixed body 1 is fixed to the side wall of the PCB board under the traction and fixation of the solder legs 18.

[0042] Referring to Figure 2, a number of limiting grooves 19 are provided on the side wall of the welding foot 18. The opening of the limiting grooves 19 makes the outer wall of the welding foot 18 present a stepped shape. A number of clamping grooves are provided on the inner wall of the fixing groove 17, and the welding foot 18 is clamped in the fixing groove 17. The clamping and fixing of the clamping grooves makes the fixation of the welding foot 18 to the fixed body 1 more stable, thereby making the support of the welding foot 18 to the fixed body 1 more stable.

[0043] Referring to Figures 2 and 3, the male end connector also includes a floating body 2, and an elastic terminal 3 is arranged between the fixed body 1 and the floating body 2. With the support of the elastic terminal 3, the floating body 2 is suspended in the inner cavity of the fixed body 1. The floating body 2 is hollow. The staff plugs the female end connector into the floating body 2, thereby connecting the two PCB boards together.

[0044] Referring to Figure 4 , the elastic terminal 3 includes a fixing portion 20, a first retaining portion 5 integrally fixed to the end of the fixing portion 20, a connecting portion 4 integrally fixed to the end of the first retaining portion 5 facing away from the fixing portion 20, and a third elastic arm 7 integrally fixed to the connecting portion 4 facing away from the first retaining portion 5. The fixing portion 20 is welded to the side wall of the PCB, and the first retaining portion 5 is clipped and fixed to the fixing body 1. With the support of the fixing portion 20, the fixing body 1 is fixed to the side wall of the PCB. The connecting portion 4 is arranged at an angle, so that a gap exists between the third elastic arm 7 and the fixing body 1, allowing the third elastic arm 7 to swing freely.

[0045] Referring to Figures 3 and 4 , the sidewalls of the first retaining portion 5 are provided with a plurality of positioning grooves 14, giving the outer wall of the first retaining portion 5 a serrated shape. The first retaining portion 5 is fixedly connected to the floating body 2 via injection molding. The positioning grooves 14 define the position between the first retaining portion 5 and the floating body 2, thereby further stabilizing the connection between the first retaining portion 5 and the floating body 2. The sidewalls of the second retaining portion 22 are also provided with a plurality of positioning grooves 14, further stabilizing the fixation between the second retaining portion 22 and the floating body 2.

[0046] 4 , the elastic terminal 3 further includes a second elastic arm 6 integrally fixed to an end of the third elastic arm 7 away from the first holding portion 5, a first elastic arm 21 integrally fixed to an end of the second elastic arm 6 away from the third elastic arm 7, a buffer portion 8 integrally fixed to an end of the first elastic arm 21 away from the second elastic arm 6, a second holding portion 22 integrally fixed to an end of the buffer portion 8 away from the first elastic arm 21, and a contact portion 23 integrally fixed to an end of the second holding portion 22 away from the first elastic arm 21. The second holding portion 22 is clamped and fixed to the floating body 2 so that the contact portion 23 is located on the inner wall of the floating body 2.

[0047] 3 and 4 , a support piece 15 is integrally fixed to the end of the contact portion 23 away from the first elastic arm 21. A limiting hole 16 is provided on the inner wall of the floating body 2. The end of the support piece 15 is clipped and fixed to the inner wall of the limiting hole 16. Supported by the support piece 15, the contact portion 23 is tilted, limiting the position of the female connector and ensuring a more stable connection between the terminal on the female connector and the contact portion 23. The provision of the limiting hole 16 limits the support piece 15, reducing the possibility of the support piece 15 slipping along the inner wall of the floating body 2.

[0048] Referring to Figure 4, a limiting piece 9 is welded and fixed on the side wall of the second elastic arm 6, and an abutment portion 12 is integrally fixed to the end of the limiting piece 9. The side wall of the abutment portion 12 is arranged in a circular arc, and the abutment portion 12 can abut against the inner wall of the floating body 2. The staff can pull the limiting piece 9 during the assembly of the male connector as needed, so that the distance between the limiting piece 9 and the outer wall of the floating body 2 is reduced. The limiting piece 9 limits the swing of the second elastic arm 6, making the connection between the male connector and the female connector more reliable without affecting the connection between the male connector and the female connector.

[0049] 3 and 4, a plurality of mounting grooves 10 are provided on the side wall of the floating body 2, and a driving frame 11 is hinged on the inner wall of the mounting groove 10. An elastic member for returning the driving frame 11 is provided on the outer wall of the driving frame 11. One end of the elastic member is fixedly connected to the inner wall of the mounting groove 10, and the other end is fixedly connected to the outer wall of the driving frame 11. In the process of plugging the female connector onto the floating body 2, the floating degree of the floating body 2 is relatively large at the beginning due to the misalignment of the plugging angle. When the female connector is fully plugged into the male connector, the female connector drives the driving frame 11 to rotate so that the outer wall of the driving frame 11 abuts against the abutment portion 12, which limits the swing of the second elastic arm 6, thereby making the connection between the male connector and the female connector more stable; after the female connector is pulled out of the male connector, the driving frame 11 is snapped into the mounting groove 10 under the action of the elastic member's own rebound force, reducing the possibility of interference with the swing of the second elastic arm 6.

[0050] The implementation principle of a male end connector in an embodiment of the present application is: the fixed part 20 and the end of the welding foot 18 are welded and fixed on the PCB board, the fixed body 1 and the floating body 2 are fixed on the PCB board with the support of the welding foot 18 and the fixed part 20, and the female end connector is plugged into the male end connector. The setting of the first elastic arm 21, the second elastic arm 6 and the third elastic arm 7 increases the swing range of the elastic terminal 3, so that the floating amount of the floating body 2 is increased, thereby making the connection between the male end connector and the female end connector more reliable.

[0051] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A male connector, comprising a fixed body (1), a floating body (2) arranged inside the fixed body (1), and an elastic terminal (3) arranged on the fixed body (1) and the floating body (2), wherein the elastic terminal (3) is provided with a first elastic arm (21) and a second elastic arm (6), characterized in that: Also includes, A connecting portion (4), the connecting portion (4) being located between the first holding portion (5) and the second elastic arm (6), and the connecting portion (4) being arranged in an inclined manner; A third elastic arm (7), the third elastic arm (7) is located between the connecting portion (4) and the second elastic arm (6), one end of the third elastic arm (7) is fixedly connected to the connecting portion (4), and the other end is fixedly connected to the second elastic arm (6), and a gap exists between the third elastic arm (7) and the fixed body (1).

2. A male connector according to claim 1, characterized in that: The elastic terminal (3) is provided with a buffer portion (8), the buffer portion (8) is wavy, the buffer portion (8) is located between the second retaining portion (22) and the first elastic arm (21), the buffer portion (8) is inclined, and the angle between the length direction of the buffer portion (8) and the length direction of the second retaining portion (22) is an obtuse angle.

3. A male connector according to claim 1, characterized in that: A limiting plate (9) is fixed on the side wall of the second elastic arm (6), and the end of the limiting plate (9) can abut against the side wall of the floating body (2).

4. A male connector according to claim 3, characterized in that: A mounting groove (10) is provided on the side wall of the floating body (2), a driving frame (11) is hinged on the inner wall of the mounting groove (10), the driving frame (11) and the limiting plate (9) are arranged in a one-to-one correspondence, and the end of the limiting plate (9) can abut against the side wall of the driving frame (11).

5. A male connector according to claim 4, characterized in that: An abutment portion (12) is fixed to the end of the limiting piece (9), and the abutment portion (12) can abut against the side wall of the driving frame (11), and the abutment portion (12) is arranged in an arc shape toward one side of the driving frame (11).

6. A male connector according to claim 5, characterized in that: An elastic member for returning the drive frame (11) to its original position is arranged on the inner wall of the installation groove (10); one end of the elastic member is fixedly connected to the inner wall of the installation groove (10), and the other end is fixedly connected to the outer wall of the drive frame (11).

7. A male connector according to claim 1, characterized in that: A plurality of positioning grooves (14) are provided on the side wall of the first holding portion (5), and a plurality of positioning grooves (14) are also provided on the side wall of the second holding portion (22).

8. The male connector according to claim 1, characterized in that: The elastic terminal (3) also includes a support sheet (15), which is fixed to one end of the contact portion (23) away from the first elastic arm (21), and a limiting hole (16) is provided on the inner wall of the floating body (2), and one end of the support sheet (15) away from the contact portion (23) abuts against the inner wall of the limiting hole (16).

9. The male connector according to claim 1, characterized in that: A plurality of fixing grooves (17) are provided on the outer wall of the fixing body (1), and welding feet (18) are clamped and fixed on the inner walls of the fixing grooves (17), and the ends of the welding feet (18) are fixed to the side walls of the PCB board by welding.

10. A male connector according to claim 9, characterized in that: A plurality of limiting grooves (19) are provided on the outer wall of the welding foot (18), and the outer wall of the welding foot (18) is in a stepped shape.

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