A quick plug connector and car music headrest

CN224355581UActive Publication Date: 2026-06-12王成龙 +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
王成龙
Filing Date
2025-07-29
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The existing groove design on both sides of the headrest bar causes the male contact spring of the connector to be unable to engage stably, making it easy to slip out and causing unstable current or signal transmission.

Method used

A quick-plug connector is designed. By setting a square hole and a limiting groove at the lower end of the headrest rod, the spring contacts of the female and male ends of the connector are engaged in the square hole. Combined with the fixation of the bottom shell assembly and the rubber pad, the insertion is ensured to be in place and stable.

Benefits of technology

It achieves stable insertion between the female and male terminals of the connector, ensuring the stability and reliability of the electrical connection, preventing loosening and disconnection, and guaranteeing the normal operation of functional components inside the car headrest.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224355581U_ABST
    Figure CN224355581U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of automobile parts, especially relates to a quick plug -in connector and car music headrest, including headrest rod, the lower end of headrest rod is installed with the female end of connector, the lower end of headrest rod is equipped with two square holes symmetrically, the female end of connector is inserted with the male end of connector, the elastic sheet of male end of connector both sides is clamped in two square holes respectively, the male end of connector slides in the shell, the bottom of shell is fixed with bottom shell subassembly, the shell is installed in the car seat backrest, the upper end of headrest rod is connected with car headrest, realizes the plug -in fixed of car headrest through headrest rod in the shell, the electrical connection between the female end of connector and the male end of connector, realizes the electrification of functional device in car headrest, the female end of connector extrudes the lower end of male end of connector and leans on bottom shell subassembly, guarantees the female end of connector and the male end of connector and plug -in in place, the elastic sheet of male end of connector both sides is clamped in two square holes respectively, guarantees the stability of the female end of connector and the male end of connector connection.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, and in particular relates to a quick-plug connector and an automotive music headrest. Background Technology

[0002] The existing headrest rod has a groove design on both sides. The spring pieces on both sides of the male connector cannot be fully engaged in the groove. Even if they are engaged in the groove, they are easy to slip out of the groove, which causes the female connector and the male connector to not be fully engaged, resulting in unstable current or signal transmission. Utility Model Content

[0003] The purpose of this utility model is to provide a quick-plug connector and an automotive music headrest to solve the problems in the prior art. The specific technical solution is as follows:

[0004] A quick-plug connector includes a headrest rod with a female connector end installed at the lower end of the headrest rod. Two square holes are symmetrically provided at the lower end of the headrest rod. The female connector end is inserted into the male connector end. The spring clips on both sides of the male connector end are respectively engaged in the two square holes. The male connector end slides inside the housing. A bottom shell assembly is fixed at the bottom of the housing.

[0005] Furthermore, the connector female end includes a connector female end body, with a boss fixed at the lower end of the connector female end body. The connector female end body is inserted into the headrest rod, and the boss abuts against the lower edge of the headrest rod.

[0006] Furthermore, a limiting block is provided at the connection between the connector female end body and the boss, and the limiting block is engaged in the limiting groove provided at the lower end of the headrest rod.

[0007] Furthermore, the lower end of the headrest rod is symmetrically provided with mounting holes, and the mounting springs on both sides of the connector female end body are respectively engaged in the two mounting holes, with the lower end of the mounting springs abutting against the lower edge of the mounting holes.

[0008] Furthermore, the male connector includes a male connector body, which slides within the housing. A cylindrical terminal is fixed inside the male connector body, with its upper end connected to a plug. The plug is inserted into the female connector body.

[0009] Furthermore, spring tabs are fixed on both sides of the male end of the connector, and the upper ends of the two spring tabs are respectively engaged in two square holes.

[0010] Furthermore, the bottom shell assembly includes a bottom shell, inside which a rubber pad is provided, and the lower end of the male connector body abuts against the rubber pad.

[0011] Furthermore, both the bottom shell and the rubber pad have a circular hole at their center.

[0012] Furthermore, screw holes are provided on both sides of the bottom shell, and screws are used to fix the bottom shell to the bottom of the outer shell through the screw holes.

[0013] Furthermore, an automotive music headrest includes a headrest body that is mounted on a quick-plug connector as described in any of the preceding claims.

[0014] The advantages of this utility model are:

[0015] The outer casing is installed inside the car seat backrest. The upper end of the headrest rod is connected to the car headrest. When the car headrest is inserted into the outer casing through the headrest rod, the female connector end and the male connector end inside the headrest rod are inserted, which realizes the insertion and fixation of the car headrest in the outer casing through the headrest rod, and also realizes the electrical connection between the female connector end and the male connector end, so as to energize the functional devices inside the car headrest. The female connector end moves downward in the outer casing, pressing the lower end of the male connector end against the bottom shell assembly, ensuring that the female connector end and the male connector end are inserted in place. The spring pieces on both sides of the male connector end are respectively engaged in two square holes to ensure the stability of the connection between the female connector end and the male connector end. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is an exploded view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the male connector structure of this utility model. Figure 1 ;

[0019] Figure 4 for Figure 3 Enlarged view of a portion of point A in the middle;

[0020] Figure 5 This is a schematic diagram of the male connector structure of this utility model. Figure 2 ;

[0021] Figure 6 This is a schematic diagram of the connector female end structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the headrest rod structure of this utility model;

[0023] Figure 8 This is a schematic diagram of the bottom shell assembly structure of this utility model;

[0024] Explanation of markings in the diagram:

[0025] 1. Headrest rod; 2. Mounting hole; 3. Square hole; 4. Limiting groove; 5. Connector female end body; 6. Boss; 7. Limiting block; 8. Mounting spring; 9. Connector male end body; 10. Column terminal; 11. Plug; 12. Spring; 13. Bottom shell; 14. Rubber pad; 15. Round hole; 16. Screw hole. Detailed Implementation

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

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] Example 1

[0029] like Figures 1-8 As shown, a quick-plug connector includes a headrest rod 1, a female connector end installed at the lower end of the headrest rod 1, two square holes 3 symmetrically provided at the lower end of the headrest rod 1, the female connector end and the male connector end are plugged in, the spring pieces 12 on both sides of the male connector end are respectively snapped into the two square holes 3, the male connector end slides in the housing, and a bottom shell assembly is fixed at the bottom of the housing.

[0030] The working principle of the above technical solution is as follows: The outer shell is installed inside the backrest of the car seat. The upper end of the headrest rod 1 is connected to the car headrest. When the car headrest is inserted into the outer shell through the headrest rod 1, the female end of the connector inside the headrest rod 1 is inserted into the male end of the connector. This realizes the insertion and fixation of the car headrest in the outer shell through the headrest rod 1, and also realizes the electrical connection between the female end of the connector and the male end of the connector, so as to realize the power supply of the functional devices inside the car headrest. The female end of the connector moves downward in the outer shell, pressing the lower end of the male end of the connector against the bottom shell assembly, ensuring that the female end of the connector and the male end of the connector are inserted in place. The spring pieces 12 on both sides of the male end of the connector are respectively engaged in the two square holes 3 to ensure the stability of the connection between the female end of the connector and the male end of the connector.

[0031] Example 2

[0032] like Figures 1-8As shown, the female connector includes a female connector body 5, and a boss 6 is fixed at the lower end of the female connector body 5. The female connector body 5 is inserted into the headrest rod 1, and the boss 6 abuts against the lower edge of the headrest rod 1.

[0033] The connector female end body 5 is provided with a limiting block 7 at the connection between the connector female end body 5 and the boss 6. The limiting block 7 is engaged in the limiting groove 4 provided at the lower end of the headrest rod 1.

[0034] The working principle of the above technical solution is as follows: the boss 6 protects the lower edge of the headrest rod 1, and the limiting groove 4 and the limiting block 7 are engaged to prevent the headrest rod 1 from rotating freely between itself and the connector female body 5.

[0035] Example 3

[0036] like Figures 1-8 As shown, the lower end of the headrest rod 1 is symmetrically provided with mounting holes 2, and the mounting springs 8 on both sides of the connector female end body 5 are respectively engaged in the two mounting holes 2, with the lower end of the mounting spring 8 abutting against the lower edge of the mounting hole 2;

[0037] The working principle of the above technical solution is as follows: by installing the spring clips 8 into the mounting holes 2 respectively, the headrest rod 1 and the connector female body 5 are fixed. By squeezing the spring clips 8 to separate them from the mounting holes 2, the headrest rod 1 and the connector female body 5 can be separated. The spring clips 8 facilitate the quick installation and disassembly of the headrest rod 1 and the connector female body 5.

[0038] Example 4

[0039] like Figures 1-8 As shown, the male connector includes a male connector body 9, which slides inside the housing. A cylindrical terminal 10 is fixed inside the male connector body 9. The upper end of the cylindrical terminal 10 is connected to a plug 11, which is inserted into the female connector body 5.

[0040] Both sides of the male end body 9 of the connector are fixed with spring pieces 12, and the upper ends of the two spring pieces 12 are respectively engaged in the two square holes 3.

[0041] The working principle of the above technical solution is as follows: the upper end of the cylindrical terminal 10 is electrically connected to the connector female body 5 through the plug 11, and the lower end of the cylindrical terminal 10 can be connected to the wire harness;

[0042] The connector female body 5 and plug 11 both have 4-8 sections.

[0043] Example 5

[0044] like Figures 1-8 As shown, the bottom shell assembly includes a bottom shell 13, a rubber pad 14 is provided inside the bottom shell 13, and the lower end of the connector male end body 9 abuts against the rubber pad 14;

[0045] Both the bottom shell 13 and the rubber pad 14 are provided with a round hole 15 at their center positions;

[0046] The working principle of the above technical solution is as follows: the bottom shell 13 is fixed to the bottom of the outer shell by screws, the rubber pad 14 inside the bottom shell 13 plays a shock absorption role to prevent damage to the male body 9 of the connector, and the lower end of the cylindrical terminal 10 passes through the round hole 15 and is connected to the wire harness.

[0047] Example 6

[0048] like Figures 1-8 As shown, screw holes 16 are provided on both sides of the bottom shell 13, and screws are used to fix the bottom shell 13 to the bottom of the outer shell through the screw holes 16.

[0049] The working principle of the above technical solution is as follows: the screw passes through the screw hole 16 and fixes the bottom shell 13 to the bottom of the outer shell. The female connector body 5 presses the male connector body 9 onto the rubber pad 14 of the bottom shell 13, ensuring that the female connector body 5 and the male connector body 9 are properly inserted.

[0050] Example 7

[0051] like Figures 1-8 As shown, an automotive music headrest includes a headrest body, which is mounted on a quick-plug connector as described in any of the above claims;

[0052] The working principle of the above technical solution is as follows: The headrest body is fixed to the upper end of the headrest rod 1. The headrest body is inserted into the outer shell through the headrest rod 1. The female connector body 5 pushes the male connector body 9 to move down inside the outer shell. The lower end of the male connector body 9 abuts against the rubber pad 14, and the male connector body 9 cannot move down. The female connector body 5 moves down and is inserted into the male connector body 9. The spring pieces 12 at both ends of the male connector body are respectively engaged in the two square holes 3 to ensure the stability of the insertion of the female connector body 5 and the male connector body 9. The music device inside the headrest body can be connected to the car's internal power supply through the female connector body 5 and the male connector body 9 to realize the power-on playback of the music device.

[0053] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A quick-plug connector, characterized in that, Includes a headrest rod (1), with a female connector installed at the lower end of the headrest rod (1). Two square holes (3) are symmetrically provided at the lower end of the headrest rod (1). The female connector is inserted into the male connector. The spring pieces (12) on both sides of the male connector are respectively engaged in the two square holes (3). The male connector slides inside the outer shell. A bottom shell assembly is fixed at the bottom of the outer shell.

2. The quick-plug connector according to claim 1, characterized in that, The female connector includes a female connector body (5), and a boss (6) is fixed at the lower end of the female connector body (5). The female connector body (5) is inserted into the headrest rod (1), and the boss (6) abuts against the lower edge of the headrest rod (1).

3. A quick-plug connector according to claim 2, characterized in that, The connector female end body (5) is provided with a limiting block (7) at the connection between the connector female end body (5) and the boss (6), and the limiting block (7) is engaged in the limiting groove (4) provided at the lower end of the headrest rod (1).

4. A quick-plug connector according to claim 3, characterized in that, The headrest rod (1) is provided with symmetrical mounting holes (2) at the lower end. The mounting springs (8) on both sides of the connector female end body (5) are respectively engaged in the two mounting holes (2), and the lower end of the mounting springs (8) abuts against the lower edge of the mounting hole (2).

5. A quick-plug connector according to claim 4, characterized in that, The male connector includes a male connector body (9), which slides inside the housing. A cylindrical terminal (10) is fixed inside the male connector body (9). The upper end of the cylindrical terminal (10) is connected to a plug (11), which is inserted into the female connector body (5).

6. A quick-plug connector according to claim 5, characterized in that, Both sides of the male end body (9) of the connector are fixed with spring pieces (12), and the upper ends of the two spring pieces (12) are respectively engaged in two square holes (3).

7. A quick-plug connector according to claim 6, characterized in that, The bottom shell assembly includes a bottom shell (13), a rubber pad (14) is provided inside the bottom shell (13), and the lower end of the connector male end body (9) abuts against the rubber pad (14).

8. A quick-plug connector according to claim 7, characterized in that, Both the bottom shell (13) and the rubber pad (14) have a round hole (15) at their center.

9. A quick-plug connector according to claim 8, characterized in that, The bottom shell (13) has screw holes (16) on both sides, and the screws fix the bottom shell (13) to the bottom of the outer shell through the screw holes (16).

10. A car music headrest, characterized in that, It includes a headrest body, which is mounted on a quick-plug connector as described in any one of claims 1-9.