Blind-mating follow-up headrest connector

By using the design of long stuck and short stuck hooks in the headrest connector, the design of limited sliding and twist spring is solved. The effect of insertion depth and stable insertion.

CN222422617UActive Publication Date: 2025-01-28DONGGUAN LINJVE IND INVESTMENTS
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Patent Information

Application Number
CN202421146435.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-28
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

In the high-frequency plug-in and unplugging scenarios, existing headrest connectors are difficult to achieve the need for blind plug-in, adjustable plug-in and unplugging depth and plug-in stability, resulting in poor user experience and stability.

Method used

A blind insert is designed with a dynamic head pillow connector, which uses long stuck hooks and short -stalled hooks to combine limited sliding and twist spring to achieve the limited lock, deep adjustment and stable card connection of the plug.

Benefits of technology

Through the limited lock and depth adjustment of the long card hook, combined with the supporting effect of the short hook, the reliability of the stable card connection of the plug and the electrical connection is realized, and the instantaneous phenomenon of the connector is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a blind-mating follow-up headrest connector which comprises a plug assembly installed at the first end of a rod body and provided with a plug, and the plug is provided with a limiting clamping groove; a first limiting sliding groove and a supporting groove are formed in the inner side wall of the female head sleeve shell, an unlocking step is arranged at the upper end of the first limiting sliding groove, a second limiting sliding groove is formed in the lower end of the supporting groove, and the female head sleeve shell is provided with a base; the female head support is mounted in the female head sleeve shell, the upper end of the female head support is a female head terminal block, the female head support is provided with two mounting parts, and torsional springs are arranged in the mounting parts; the long clamping hook is rotationally mounted in the mounting part, and the two ends of the long clamping hook are a buckling end and a first connecting end respectively; the short clamping hook is rotationally mounted in the other mounting part, and the two ends of the short clamping hook are a supporting end and a second connecting end respectively; the upper end of the female head sleeve shell can be provided with a sleeve piece in a clamping mode. The blind plugging and follow-up functions of the plug are provided, and the reliability of the connector is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of headrest connectors, in particular to a blind-plug follow-up headrest connector. Background Art

[0002] In order to provide users with a better experience, the existing car seat headrests have introduced multifunctional modules, which can provide massage, heating / cooling, ventilation and multimedia functions. The current connection structures between the headrest and the seat include fixed and plug-in types. Among them, the plug-in type can provide up and down position adjustment function, so the plug-in type structure is also the most widely used.

[0003] In daily use, headrests often need to be adjusted up and down, especially for the front passenger and rear seats. Therefore, the connector must not only meet the requirements of easy disassembly, but also meet the requirements of stable plugging, high reliability and long service life. Most existing plug-in connectors are single snap-on structures, which are often easy to press all the way to the bottom when pressed for plugging, resulting in difficulty in controlling the depth and strength of the plugging, and poor user experience and stability. In scenarios where the connector is plugged in and out frequently, it must meet the requirements of blind plugging, adjustable plugging and unplugging depth and stable plugging to provide a good user experience.

[0004] Therefore, there is an urgent need for a blind-plug follow-up headrest connector that can solve one or more of the above problems. Utility Model Content

[0005] In order to solve one or more problems existing in the prior art, the utility model provides a blind-plug follow-up headrest connector. The utility model adopts the following technical solutions to solve the above problems: a blind-plug follow-up headrest connector, comprising: a plug assembly, the plug assembly is installed at the first end of the rod body, the plug assembly is provided with a plug, the plug is provided with a terminal for electrical connection, and the outer side wall of the plug is provided with a limit slot;

[0006] A female head shell, wherein the inner side wall of the female head shell is provided with a first limiting slide groove and a supporting groove, the upper end of the first limiting slide groove is provided with an unlocking step, the lower end of the supporting groove is provided with a second limiting slide groove, and the lower end of the female head shell is provided with a base;

[0007] A female head support, the female head support is installed in the female head housing, the upper end of the female head support is a female head terminal block, a female head conductive member is installed in the female head terminal block, the female head support is provided with two mounting parts, a mounting cavity is formed in the mounting part, a torsion spring is arranged in the mounting cavity, and the first end of the torsion spring abuts against the inner wall of the mounting cavity;

[0008] Optionally, a reset component is provided between the female head support and the base, and the reset component is used for moving and resetting the female head support;

[0009] A long hook, wherein the long hook is rotatably mounted in the mounting portion, wherein the upper end of the long hook is a buckle end, wherein the buckle end is used to be buckled with the limit slot, and the lower end of the long hook is a first connecting end, wherein the first connecting end is connected to the second end of the torsion spring, and the first connecting end enters into the first limit slot;

[0010] A short hook is rotatably installed in another installation part, the upper end of the short hook is a supporting end, the lower end of the short hook is a second connecting end, the second connecting end is connected to the second end of the torsion spring, and the second connecting end enters into the supporting groove.

[0011] When the second connection end abuts against the support groove, the support end provides a supporting force to the plug, the second connection end can slide from the support groove into the second limiting sliding groove, and the first connection end can slide from the first limiting sliding groove onto the unlocking step;

[0012] Under the action of the torsion spring, the support end is close to the female terminal block, and the second connection end is close to the support groove;

[0013] Under the action of the torsion spring, the buckling end is close to the female terminal block, and the first connecting end is close to the first limiting sliding groove.

[0014] In order to facilitate unlocking of the buckling end and the limiting slot, a guiding slope is provided on one side of the unlocking step facing the first limiting sliding slot.

[0015] In some embodiments, the reset component is a spring, or a reset component composed of two magnets, wherein the two magnets are respectively arranged on the base and the female head support, and provide repulsive magnetic forces.

[0016] Furthermore, in order to ensure the sealing after the plug is connected to the female terminal block, a sealing member is installed on the outer side wall of the female terminal block.

[0017] In some embodiments, a first groove is provided at the first end of the rod body; a connecting portion is provided at the rear end of the plug, and the connecting portion is respectively provided with a second groove and a third groove; a male terminal seat is installed in the inner hole of the plug, and the terminal is installed in the male terminal seat, and the male terminal seat is provided with a first protrusion and a second protrusion; the first protrusion is inserted into the first groove and the second groove, and the second protrusion is inserted into the third groove.

[0018] Furthermore, the inner hole of the plug is provided with a first guide groove, and the female terminal block is provided with a first guide protrusion matched with the first guide groove.

[0019] In some embodiments, the inner side wall of the female head housing is provided with a second guide groove, and the female head support is provided with a second guide protrusion that cooperates with the second guide groove.

[0020] In some embodiments, the female head support is installed with a locking card, and the locking card limits and fixes the female head conductive part in the female head support.

[0021] In some embodiments, it also includes: a kit, which is snap-connected with the upper end of the female head shell, a mounting flange is provided on the outer side wall of the kit, and an avoidance groove is provided on the mounting flange, and the avoidance groove is used to avoid the long hook, and the plug passes through the kit and enters into the female head shell.

[0022] Furthermore, the outer side wall of the kit is provided with a first clamping protrusion, the upper end of the female head shell is provided with a first clamping groove, and the first clamping protrusion is clamped with the first clamping groove.

[0023] The beneficial value achieved by the utility model is that the long hook is used to achieve the limit locking of the plug after the plugging is completed, and at the same time, the first limit sliding groove and the unlocking step are used to achieve the unlocking and longitudinal movement adjustment of the long hook, and the elastic force of the torsion spring is used to achieve the insertion depth adjustment of the plug after the plugging is completed;

[0024] By means of the above-mentioned short hook cooperating with the supporting groove, the support of the plug during the insertion process is achieved, thereby ensuring that the long hook and the plug are stably clamped and fixed, and that the plug terminal and the female conductive part in the female terminal block are stably plugged in / abutted against each other, avoiding instantaneous disconnection of the connector and ensuring the reliability and stability of the electrical connection; wherein, the second connecting end of the short hook can slide from the supporting groove into the second limiting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the utility model;

[0026] Figure 2 It is an exploded schematic diagram of the rod body and the plug assembly of the utility model;

[0027] Figure 3 It is a cross-sectional view of the plug assembly of the utility model;

[0028] Figure 4 It is a schematic diagram of the combination of the female head housing and the kit of the utility model;

[0029] Figure 5It is an exploded schematic diagram of the female head housing and the female head support of the utility model;

[0030] Figure 6 It is a cross-sectional view of the female head housing of the utility model;

[0031] Figure 7 It is a schematic diagram of the female head support of the utility model;

[0032] Figure 8 It is an exploded schematic diagram of the female head support of the utility model;

[0033] Fig. 9 It is a cross-sectional view of the female head support of the utility model;

[0034] Fig.10 It is a cross-sectional view of the female head housing and the female head support of the utility model after being combined;

[0035] Fig.11 This is implementation status 1 of the utility model;

[0036] Fig.12 This is implementation status 2 of the utility model;

[0037] Fig.13 This is implementation status 3 of the utility model;

[0038] Fig.14 This is implementation status 4 of the utility model;

[0039] Fig.15 This is implementation status 5 of the utility model;

[0040] Fig.16 This is embodiment 2 of the kit of the present utility model.

[0041] [Reference Signs]

[0042] 1…rod 10…first groove 2…plug assembly 20…plug 200…connecting portion 201…second groove 202…third groove 203…friction surface 204…limiting groove 205…first guide groove 21…male terminal seat 210…first protrusion 211…second protrusion 22…terminal 3…female housing 30…first groove 300…first spring sheet 31…installation groove 32…first limiting slide groove 33…unlocking step 330…guide slope 34…support groove 35…second guide groove 36…bottom Seat 37…second limiting slide groove 4…kit 40…first snap-fit ​​protrusion 41…installing flange 42…avoidance groove 43…second spring sheet 5…spring 6…female support 60…female terminal block 61…first guide protrusion 62…second guide protrusion 63…installation portion 630…installation cavity 64…long hook 640…snap-fit ​​end 641…first connection end 65…short hook 650…support end 651…second connection end 66…female conductive member 67…locking card 68…torsion spring 69…rotating shaft 7…seal. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the utility model more understandable, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from this description, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed below.

[0044] The utility model discloses a blind plug follow-up headrest connector, which comprises: a plug assembly 2, combined with Figure 1-Figure 3 As shown, the plug assembly 2 is mounted on the first end of the rod body 1, and the plug assembly 2 is provided with a plug 20, the outer surface of the plug 20 is a conical surface, the plug 20 is provided with a terminal 22 for electrical connection, and the outer side wall of the plug 20 is provided with a limit slot 204;

[0045] Female head cover 3, combined Figure 6 As shown, the inner side wall of the female head housing 3 is provided with a first limiting sliding groove 32 and a supporting groove 34, the upper end of the first limiting sliding groove 32 is provided with an unlocking step 33, the lower end of the supporting groove 34 is provided with a second limiting sliding groove 37, and the lower end of the female head housing 3 is provided with a base 36;

[0046] Female support 6, combined Figure 5 , Figure 7-Figure 9As shown, the upper end of the female support 6 is a female terminal block 60, a female conductive member 66 is installed in the female terminal block 60, the female support 6 is provided with two mounting portions 63, a mounting cavity 630 is formed in the mounting portion 63, a torsion spring 68 is arranged in the mounting cavity 630, and a first end of the torsion spring 68 abuts against the inner wall of the mounting cavity 630;

[0047] Combination Figure 4-Figure 5 As shown, the female head support 6 is installed in the female head housing 3;

[0048] Optionally, combined Fig.10 As shown, a reset component is provided between the female support 6 and the base 36, and the reset component is used for moving and resetting the female support 6. The reset component can be a spring 5 or two magnets, wherein the two magnets are respectively provided on the base 36 and the female support 6, and provide repulsive magnetic forces. By providing the reset component (spring 5), a second repositioning insurance is provided for the female support 6 (the first repositioning insurance is the torsion of the torsion spring 68. Under the torsion of the torsion spring 68, the lower ends of the long and short hooks tend to be stretched outward, thereby forcing the female support 6 to move up and reset. The second repositioning insurance is the elastic force of the spring 5);

[0049] Combination Figure 7 , Figure 8 As shown, the long hook 64 is rotatably mounted in the mounting portion 63 via a rotating shaft 69, the upper end of the long hook 64 is a buckle end 640, and the buckle end 640 is used to engage with the limiting slot 204, and the lower end of the long hook 64 is a first connecting end 641, and the first connecting end 641 is connected to the second end of the torsion spring 68, and the first connecting end 641 enters the first limiting slot 32;

[0050] Combination Figure 7 , Figure 8 As shown, the short hook 65 is rotatably mounted in another mounting portion 63 via a rotating shaft 69, the upper end of the short hook 65 is a supporting end 650, and the lower end of the short hook 65 is a second connecting end 651, the second connecting end 651 is connected to the second end of the torsion spring 68, and the second connecting end 651 enters the supporting groove 34;

[0051] Furthermore, the long hook 64 and the short hook 65 can be symmetrically arranged, and each of them is provided with one; or the long hook 64 is provided with three, and the short hook 65 is provided with one, and the arrangement manner is a symmetrical array distribution.

[0052] It should be pointed out that the movement and reset of the female head support 6 can also be achieved by relying solely on the torque of the torsion spring 68, wherein the torsion spring 68 pushes the long and short hooks outward, and they provide a damping force to limit the movement after being stretched. Therefore, after the plug 20 is inserted, the insertion depth can be adjusted; after the plug 20 is pulled out, the damping force will be smaller than the reset torque provided by the torsion spring 68, and therefore, the female head support 6 can be reset.

[0053] It should be noted that when the second connection end 651 abuts against the support groove 34, the support end 650 provides a supporting force to the plug 20, the second connection end 651 can slide from the support groove 34 into the second limiting groove 37, and the first connection end 641 can slide from the first limiting groove 32 into the unlocking step 33; under the action of the torsion spring 68, the support end 650 is close to the female terminal block 60, and the second connection end 651 is close to the support groove 34; under the action of the torsion spring 68, the buckling end 640 is close to the female terminal block 60, and the first connection end 641 is close to the first limiting groove 32.

[0054] It should be noted that the female conductive member 66 may be a plug-in terminal or an abutment terminal, the terminal 22 may be an elastic ejector pin, and the base 36 may be provided with a through hole for threading.

[0055] Combination Figure 6 As shown, in order to facilitate the unlocking of the buckling end 640 and the limiting slot 204, a guide slope 330 is provided on one side of the unlocking step 33 facing the first limiting slot 32. Figure 7 As shown, a seal 7 is installed on the outer wall of the female terminal block 60 to ensure the sealing after the plug 20 is connected to the female terminal block 60.

[0056] Specifically, combined Figure 1-Figure 3 As shown, the first end of the rod body 1 is provided with a first groove 10; the rear end of the plug 20 is provided with a connecting portion 200, and the connecting portion 200 is respectively provided with a second groove 201 and a third groove 202; the inner hole of the plug 20 is installed with a male terminal seat 21, and the terminal 22 is installed in the male terminal seat 21, and the male terminal seat 21 is provided with a first protrusion 210 and a second protrusion 211; the first protrusion 210 is installed in the first groove 10 and the second groove 201, and the second protrusion 211 is installed in the third groove 202. The male terminal seat 21 is locked by this structure to ensure that the male terminal seat 21 will not slip during the docking process.

[0057] Again, combined Figure 3As shown, the outer wall of the connecting portion 200 may be provided with a friction surface, and the connection between the connecting portion 200 and the rod body 1 may be an interference fit. Figure 3 , Figure 7 As shown, the inner hole of the plug 20 is provided with a first guide groove 205 , and the female terminal block 60 is provided with a first guide protrusion 61 that cooperates with the first guide groove 205 .

[0058] Specifically, combined Figure 6 , Figure 7 and Fig.10 As shown, the inner side wall of the female housing 3 is provided with a second guide groove 35, and the female support 6 is provided with a second guide protrusion 62 that cooperates with the second guide groove 35. Figure 8 As shown, the female head support 6 is installed with a locking card 67, and the locking card 67 limits and fixes the female head conductive member 66 in the female head support 6.

[0059] Specifically, combined Figure 1 , Figure 4 and Figure 5 As shown, it also includes: a set 4, the set 4 is clamped with the upper end of the female head shell 3, the outer wall of the set 4 is provided with a mounting flange 41, the mounting flange 41 is provided with an escape groove 42, the escape groove 42 is used to avoid the long hook 64, the plug 20 passes through the set 4 and enters the female head shell 3; the outer wall of the set 4 is provided with a first clamping protrusion 40, the upper end of the female head shell 3 is provided with a first clamping groove 30, the first clamping protrusion 40 is clamped with the first clamping groove 30. The set 4 can be used as a rod sleeve and used to connect with an external component.

[0060] Combination Fig.16 As shown, the kit 4 also has an embodiment 2. In the embodiment 2, the kit 4 is provided with a second spring piece 43, and the first clamping protrusion 40 is arranged in the second spring piece 43; the female head shell 3 is also provided with a first spring piece 300, and the first clamping groove 30 is arranged on the first spring piece 300, and the first clamping protrusion 40 is elastically clamped with the first clamping groove 30; the purpose is to avoid direct hard connection during the plug-in process, and ensure that the kit 4 can still provide reliable clamping after multiple plug-ins.

[0061] When the plug 20 is not inserted, refer to Fig.11As shown, under the action of the torsion spring 68, the short hook 65 and the long hook 64 limit the female head support 6 in the female head shell 3, that is, the first connecting end 641 abuts against the inner wall of the first limiting slide groove 32 and the upper end is engaged with the unlocking step 33, and the second connecting end 651 is engaged with the supporting groove 34, wherein the torsion force of the torsion spring 68 and / or the elastic force of the reset assembly (spring 5) push the female head support 6 to the initial position.

[0062] When the plug 20 is initially inserted, refer to Fig.12 As shown, the female support 6 moves downward, the torsion spring 68 and / or the reset assembly (spring 5) store energy, and the long hook 64 and the short hook 65 are initially pushed open, wherein the lower end of the second connecting end 651 of the short hook 65 abuts against the supporting groove 34, and the supporting end 650 of the short hook 65 abuts against the plug 20, thereby providing a supporting force, so that the plugging of the plug 20 with the female terminal block 60 is more stable, and the plugging or abutting of the terminal 22 with the female conductive member 66 is more stable.

[0063] When the plug 20 is connected, refer to Fig.13 As shown, the buckling end 640 of the long hook 64 is snap-fitted and fixed to the limiting slot 204 of the plug 20, so that the plug 20 is locked with the female head support 6 to achieve follow-up movement, wherein the short hook 65 is further pushed open, and the second connecting end 651 of the short hook 65 is also further moved downward and partially disengaged from the supporting slot 34.

[0064] When the insertion depth of the plug 20 is adjusted, refer to Fig.14 As shown, the short hook 65 is further pushed open, and the second connecting end 651 of the short hook 65 is disengaged from the supporting groove 34 under the action of the downward pressure, and enters into the second limiting slide groove 37. At this time, the plug 20 and the female head support 6 can be further inserted into the female head shell 3 to adjust the insertion depth; wherein, the abutment between the first connecting end 641 and the first limiting slide groove 32, and the abutment between the second connecting end 651 and the second limiting slide groove 37, will provide a certain damping force.

[0065] When the plug 20 is unlocked, refer to Fig.15As shown, the plug 20 moves up with the female head support 6, the second connection end 651 of the short hook 65 enters the support groove 34 from the second limiting slide groove 37, and the upper end of the second connection end 651 is ready to or has been engaged with the upper end of the support groove 34, the first connection end 641 of the long hook 64 enters the unlocking step 33, and the first connection end 641 is pushed inward, which makes the buckling end 640 of the long hook 64 escape from the limiting groove 204 of the plug 20, and finally makes the plug 20 unlocked from the female head support 6, and then the plug 20 can be directly pulled out; after the plug 20 is pulled out, under the action of the torsion spring 68 and / or the reset component (spring 5), the component is restored Fig.11 The initial state is shown.

[0066] In summary, the above-mentioned long hook is used to realize the limit locking of the plug after the plugging is completed. At the same time, the first limit sliding groove and the unlocking step are used to realize the unlocking and longitudinal movement adjustment of the long hook. Then, the elastic force of the torsion spring is used to realize the insertion depth adjustment of the plug after the plugging is completed.

[0067] By means of the above-mentioned short hook cooperating with the supporting groove, the support of the plug during the insertion process is achieved, thereby ensuring that the long hook and the plug are stably clamped and fixed, and that the plug terminal and the female conductive part in the female terminal block are stably plugged in / abutted against each other, avoiding instantaneous disconnection of the connector and ensuring the reliability and stability of the electrical connection; wherein, the second connecting end of the short hook can slide from the supporting groove into the second limiting groove.

[0068] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0069] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] The above-described embodiments only express one or more implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as a limitation of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the attached claims.

Claims

1. A blind-plug follow-up headrest connector, characterized in that: include: A plug assembly, the plug assembly is mounted on the first end of the rod body, the plug assembly is provided with a plug, the plug is provided with a terminal for electrical connection, and an outer side wall of the plug is provided with a limit slot; A female head shell, wherein the inner side wall of the female head shell is provided with a first limiting slide groove and a supporting groove, the upper end of the first limiting slide groove is provided with an unlocking step, the lower end of the supporting groove is provided with a second limiting slide groove, and the lower end of the female head shell is provided with a base; A female head support, the female head support is installed in the female head housing, the upper end of the female head support is a female head terminal block, a female head conductive member is installed in the female head terminal block, the female head support is provided with two mounting parts, a mounting cavity is formed in the mounting part, a torsion spring is arranged in the mounting cavity, and the first end of the torsion spring abuts against the inner wall of the mounting cavity; A long hook, wherein the long hook is rotatably mounted in the mounting portion, wherein the upper end of the long hook is a buckle end, wherein the buckle end is used to be buckled with the limit slot, and the lower end of the long hook is a first connecting end, wherein the first connecting end is connected to the second end of the torsion spring, and the first connecting end enters into the first limit slot; A short hook is rotatably installed in another installation part, the upper end of the short hook is a supporting end, the lower end of the short hook is a second connecting end, the second connecting end is connected to the second end of the torsion spring, and the second connecting end enters into the supporting groove.

2. The blind-mate follow-up headrest connector according to claim 1, characterized in that: A guide slope is arranged on one side of the unlocking step facing the first limiting sliding groove.

3. The blind-mating follow-up headrest connector according to claim 1, characterized in that: A reset component is arranged between the female head support and the base, and the reset component is used for moving and resetting the female head support.

4. The blind-mate follow-up headrest connector according to claim 1, characterized in that: A sealing member is installed on the outer side wall of the female terminal block.

5. The blind-mate follow-up headrest connector according to claim 1, characterized in that: The first end of the rod body is provided with a first groove; A connecting portion is provided at the rear end of the plug, and the connecting portion is respectively provided with a second groove and a third groove; The inner hole of the plug is provided with a male terminal seat, the terminal is installed in the male terminal seat, and the male terminal seat is provided with a first protrusion and a second protrusion; The first protrusion is inserted into the first groove and the second groove, and the second protrusion is inserted into the third groove.

6. The blind-mating follow-up headrest connector according to claim 1 or 5, characterized in that: The inner hole of the plug is provided with a first guide groove, and the female terminal block is provided with a first guide protrusion matched with the first guide groove.

7. The blind-mate follow-up headrest connector according to claim 1, characterized in that: The inner side wall of the female head housing is provided with a second guide groove, and the female head support is provided with a second guide protrusion matched with the second guide groove.

8. The blind-mate follow-up headrest connector according to claim 1, characterized in that: The female head support is provided with a locking card, and the locking card limits and fixes the female head conductive part in the female head support.

9. The blind-mate follow-up headrest connector according to claim 1, characterized in that: Also includes: The kit is snap-connected with the upper end of the female head shell, a mounting flange is arranged on the outer side wall of the kit, an avoidance groove is arranged on the mounting flange, the avoidance groove is used to avoid the long hook, and the plug passes through the kit and enters into the female head shell.

10. The blind-mate follow-up headrest connector according to claim 9, characterized in that: The outer side wall of the kit is provided with a first clamping protrusion, the upper end of the female head shell is provided with a first clamping groove, and the first clamping protrusion is clamped with the first clamping groove.