Pluggable electric connection structure of automobile seat headrest

Abstract

The utility model provides a pluggable electric connection structure of an automobile seat headrest, which comprises a first electric connection assembly arranged in a headrest rod and a second electric connection assembly arranged in a guide sleeve, the first electric connection assembly comprises a first connector, one end of the first connector is connected with a first wire, and the first connector is provided with an elastic sheet; the second electric connection assembly comprises a second connector, one end of the second connector is connected with a second wire, and the other end of the second connector extends into the first connector to be in contact with the elastic piece so as to supply power to devices in the headrest; by means of the structure, the headrest and the automobile seat are electrically connected through the built-in electric connection assembly, the first electric connection assembly and the second electric connection assembly can be disassembled and assembled in the inserting and pulling process of the headrest rod, connection is convenient, and disassembly and assembly are easy; meanwhile, the electric connection assembly is arranged in the headrest rod and the automobile seat, damage caused by environmental factors is not prone to occurring, and the reliability of electric connection is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application generally relates to the technical field of headrests, and particularly relates to a pluggable electrical connection structure of a headrest of a car seat. BACKGROUND

[0002] With the development of science and technology, people pay more and more attention to the improvement of life quality, and the requirement for the comfort of a car is also higher and higher; in the prior art, a headrest is arranged on the top of a backrest of a car seat to constrain the head of an occupant to recline relative to the torso and provide neck support.

[0003] However, in the prior art, the headrest of the car seat and the seat body are electrically connected through an external connector, which is inconvenient to connect and difficult to disassemble; and the connector is exposed, which increases the failure rate due to environmental factors and affects the reliability of the electrical connection. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a pluggable electrical connection structure of a headrest of a car seat.

[0005] The present application provides a pluggable electrical connection structure of a headrest of a car seat, the car seat comprising a headrest body, the bottom of the headrest body being provided with at least one headrest rod, the headrest rod being used to connect with a guide sleeve in the car seat, the pluggable electrical connection structure of the headrest being arranged in the headrest rod and the guide sleeve, comprising:

[0006] a first electrical connection assembly, the first electrical connection assembly being arranged in the headrest rod, the first electrical connection assembly comprising a first connector, the first connector having a first connection end and a second connection end, the first connection end being connected with a first wire, the inside of the first connector being hollow, and the second connection end having a first opening, the second connection end extending out of the headrest rod; at least one placement slot is arranged on the first connector, and a spring piece is arranged in the placement slot;

[0007] a second electrical connection assembly, the second electrical connection assembly being arranged in the guide sleeve, the second electrical connection assembly comprising a second connector, the second connector having a third connection end and a fourth connection end, the third connection end being connected with a second wire, and the fourth connection end being used to extend into the inside of the first connector from the first opening to contact the spring piece;

[0008] When the headrest rod extends into the guide sleeve, the first connector and the second connector are electrically connected.

[0009] According to the technical scheme provided in the application, the first electric connection assembly further comprises a first sleeve, the first sleeve is sleeved outside the second connection end, a first limiting portion is arranged on the first sleeve, and the first limiting portion is used for abutting against an end portion of the headrest rod to limit the first connector.

[0010] According to the technical scheme provided in the application, the first electric connection assembly further comprises a first protective sleeve, the first protective sleeve is sleeved outside the first connection end, the first protective sleeve is fixedly connected with the first sleeve, the first wire passes through the first protective sleeve and is connected with the first connection end, and the first protective sleeve is used for fixing the elastic sheet and protecting a connection position of the first wire and the first connection end.

[0011] According to the technical scheme provided in the application, the second electric connection assembly further comprises a second sleeve, the second sleeve is sleeved outside the second connector, and the second sleeve is used for clamping with the first sleeve.

[0012] According to the technical scheme provided in the application, the second electric connection assembly further comprises a second protective sleeve, the second protective sleeve is sleeved outside the third connection end, the second protective sleeve is connected with the second sleeve, the second wire passes through the second protective sleeve and is connected with the third connection end, and the second protective sleeve is used for protecting a connection position of the second wire and the third connection end.

[0013] According to the technical scheme provided in the application, one end of the second sleeve away from the first sleeve is provided with a buffer elastic member.

[0014] According to the technical scheme provided in the application, a second limiting portion is arranged on the second sleeve, the second limiting portion is used for abutting against one end of the guide sleeve close to the headrest body to limit the second connector.

[0015] According to the technical scheme provided in the application, at least one first clamping portion is arranged on the first sleeve, the first clamping portion is located on one side of the first limiting portion close to the first wire, a second clamping portion is arranged on an inner wall of the headrest rod and corresponds to the first clamping portion, and the first clamping portion is used for clamping with the second clamping portion.

[0016] According to the technical scheme provided in the application, at least one third clamping portion is arranged on the first sleeve, the third clamping portion is located on one side of the first limiting portion away from the first wire, a fourth clamping portion is arranged on an inner wall of the second sleeve and corresponds to the third clamping portion, and the fourth clamping portion clamps with the third clamping portion when the first sleeve is connected with the second sleeve.

[0017] According to the technical scheme provided in the application, the second sleeve is further provided with a third limiting portion located on the side of the second limiting portion close to the second wire, and the buffer elastic member is fixedly connected with the third limiting portion; the third limiting portion is used for abutting against the inner wall of the guide sleeve to prevent the second connector from deviating.

[0018] The application has the following beneficial effects:

[0019] The application provides a pluggable electrical connection structure of a headrest of an automobile seat, the automobile seat comprising a headrest body, the bottom of the headrest body being provided with at least one headrest rod, the headrest rod being used for being connected with a guide sleeve in the automobile seat, the pluggable electrical connection structure of the headrest being arranged in the headrest rod and the guide sleeve, comprising: a first electrical connection assembly and a second electrical connection assembly, the first electrical connection assembly being arranged in the headrest rod, the first electrical connection assembly comprising a first connector, the first connector being provided with at least one elastic sheet; the first connector having a first connecting end and a second connecting end, the first connecting end being connected with a first wire; the second electrical connection assembly being arranged in the guide sleeve, the second electrical connection assembly comprising a second connector, the second connector having a third connecting end and a fourth connecting end, the third connecting end being connected with a second wire; when the headrest is installed on the automobile seat, the headrest body is placed on the top of the backrest of the automobile seat, the headrest rod is aligned with the guide sleeve, then the headrest rod is inserted into the corresponding guide sleeve, so that the headrest rod is connected with the guide sleeve, at this time the fourth connecting end of the second connector is inserted into the first connector from the second connecting end, at this time the second connector is in contact with the elastic sheet to supply power to the devices in the headrest; it can be seen that the application realizes electrical connection between the headrest and the automobile seat through the built-in electrical connection assembly, during plugging and unplugging of the headrest rod, the first electrical connection assembly and the second electrical connection assembly can be disassembled, the connection is convenient, and the disassembly is simple; at the same time, the electrical connection assembly is arranged in the interior of the headrest rod and the automobile seat, and is not easy to be damaged due to environmental factors, thereby ensuring the reliability of electrical connection. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other characteristics, objects and advantages of the application will become more apparent from the following detailed description of non-restrictive embodiments, made with reference to the accompanying drawings:

[0021] Figure 1 is a front view of a pluggable electrical connection structure of a headrest of an automobile seat provided by the application;

[0022] Figure 2 is a rear side view of a pluggable electrical connection structure of a headrest of an automobile seat provided by the application;

[0023] Figure 3is a side sectional view of a headrest rod part of a plug-in electrical connection structure of a headrest of an automobile provided in the present application;

[0024] Figure 4 is Figure 3 is a schematic view of part A in the figure;

[0025] Figure 5 is Figure 4 is a schematic view of part B in the figure;

[0026] Figure 6 is a connection schematic view of the first electrical connection assembly and the second electrical connection assembly;

[0027] Figure 7 is an exploded schematic view of the first electrical connection assembly and the second electrical connection assembly;

[0028] Figure 8 is a connection schematic view of the second protective sleeve and the second connector;

[0029] Figure 9 is a connection schematic view of the plug-in electrical connection structure of the headrest and the heating module;

[0030] Figure 10 is Figure 9 is a schematic view of part C in the figure;

[0031] Figure 11 is a connection schematic view of the plug-in electrical connection structure of the headrest and the ventilation module.

[0032] In the figure: 1, headrest body; 2, headrest rod; 3, first wire; 4, second wire; 5, first connector; 6, placement groove; 7, spring piece; 8, first outer sleeve; 9, first protective sleeve; 10, second connector; 11, second outer sleeve; 12, second protective sleeve; 13, buffer elastic piece; 14, first limiting part; 15, second limiting part; 16, first clamping part; 17, third clamping part; 18, guide sleeve; 19, third limiting part; 20, heating module; 21, ventilation module; 22, fifth clamping part; 23, plug-in electrical connection structure of the headrest; 24, sliding groove; 25, fourth clamping part. DETAILED DESCRIPTION

[0033] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not a limitation on the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0034] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0035] Embodiment 1

[0036] Referring to Figures 1-8 The application provides a plug-in electric connection structure of a headrest of an automobile seat. The automobile seat comprises a headrest body, the bottom of the headrest body is provided with at least one headrest rod, the headrest rod is used for being connected with a guide sleeve in the automobile seat, and the plug-in electric connection structure 23 is arranged in the headrest rod and the guide sleeve and comprises:

[0037] A first electric connection assembly is arranged in the headrest rod 2, the first electric connection assembly comprises a first connector 5, the first connector 5 has a first connecting end and a second connecting end, the first connecting end is connected with a first wire 3, the first connector 5 is hollow in the inside, and the second connecting end has a first opening, the second connecting end extends out of the headrest rod 2; at least one placing groove 6 is arranged on the first connector 5, and a spring piece 7 is arranged in the placing groove 6;

[0038] A second electric connection assembly is arranged in the guide sleeve 18, the second electric connection assembly comprises a second connector 10, the second connector 10 has a third connecting end and a fourth connecting end, the third connecting end is connected with a second wire 4, and the fourth connecting end is used for extending into the inside of the first connector 5 from the first opening to contact the spring piece 7;

[0039] When the headrest rod 2 extends into the guide sleeve 18, the first connector 5 and the second connector 10 are electrically connected.

[0040] Specifically, as shown in Figures 1-2 In the embodiment, the bottom of the headrest body 1 is provided with two headrest rods 2 to ensure the stability of the headrest installation; therefore, two guide sleeves 18 are arranged in the automobile seat corresponding to the headrest rods 2; the headrest rods 2 and the guide sleeves 18 are arranged one by one;

[0041] In the embodiment, as shown in Figure 3 、 Figure 6 and Figure 7 The first connector 5 is a female head, the second connector 10 is a male head, the male head and the female head form a physical connection between the first wire 3 and the second wire 4, and the transmission of electric energy and the transmission of signals are realized;

[0042] Specifically, in the embodiment, the first connector 5 is a cylindrical structure, and the circumferential direction of the first connector 5 is provided with four placing grooves 6, and the spring piece 7 is arranged in each placing groove 6;

[0043] Specifically, the second connector 10 is provided with multiple copper electrodes; when the headrest body 1 is inserted into the guide sleeve 18, the fourth connection end extends into the first connector 5 through the first opening. At this time, the multiple copper electrodes contact the spring 7 to realize the transmission of current and signal between the first wire 3 and the second wire 4, thereby powering the devices inside the headrest.

[0044] Specifically, the elastic design of the spring 7 causes it to deform elastically when the second connector 10 is inserted, thereby generating a holding force and maintaining a tight connection; such as Figure 7 As shown, the lengths of the spring contacts 7 are not uniform to improve the stability of the electrical connection after insertion;

[0045] Specifically, such as Figures 9-10 As shown, in some embodiments, a heating module 20 is provided inside the headrest body 1, the end of the first wire 3 away from the first connector 5 is connected to the heating module 20, and the end of the second wire 4 away from the first connector 10 is connected to the power supply module in the car seat to supply power to the heating module 20.

[0046] In some embodiments, such as Figure 11 As shown, a ventilation module 21 or a speaker can also be installed inside the headrest body 1; both are connected to the first wire 3.

[0047] In some embodiments, the headrest rod 2 is provided with a first interface, and the end of the first wire 3 away from the first connector 5 is electrically connected to the first interface; at this time, the first interface is connected to an external power supply to power the electrical equipment.

[0048] In some embodiments, the headrest body 1 is provided with a first power connection component, which is connected to the first wire 3; at the same time, the headrest body 1 is provided with a soft pillow, which is provided with a heating module 20, a ventilation module 21 or an audio device, etc. The soft pillow is provided with a second power connection component, which is connected to the device, and the first power connection component and the second power connection component are electrically connected to each other to provide power to the device.

[0049] Working principle: when installing the headrest on the car seat, the headrest body 1 is placed on the top of the car seat backrest, and the headrest rod 2 is aligned with the guide sleeve 18, and then the headrest rod 2 is inserted into the corresponding guide sleeve 18, so that the headrest rod 2 is connected with the guide sleeve 18, at this time the fourth connecting end of the second connector 10 is inserted into the inside of the first connector 5, at this time the second connector 10 is in contact with the elastic sheet 7 to supply power to the devices inside the headrest; it can be seen from this that the application realizes electrical connection between the headrest and the car seat through the built-in electrical connection assembly, and the disassembly and assembly between the first electrical connection assembly and the second electrical connection assembly can be completed during the plugging and unplugging of the headrest rod 2, which is convenient to connect and simple to disassemble; at the same time, the electrical connection assembly is arranged inside the headrest rod 2 and the car seat, which is not easy to be damaged due to environmental factors, and the reliability of electrical connection is guaranteed.

[0050] In some embodiments, the first electrical connection assembly further comprises a first outer sleeve 8, the first outer sleeve 8 being sleeved outside the second connecting end, and the first outer sleeve 8 being provided with a first limiting portion 14, the first limiting portion 14 being used for abutting against the end of the headrest rod 2 to limit the first connector 5.

[0051] Specifically, as shown in Figure 4 the first electrical connection assembly further comprises a first outer sleeve 8, the first outer sleeve 8 being sleeved outside the second connecting end to protect and fix the first connector 5; at the same time, in this embodiment, the first outer sleeve 8 is a cylindrical structure, and the first outer sleeve 8 is provided with a first limiting portion 14 on the outside in the circumferential direction, the first limiting portion 14 abutting against the end of the headrest rod 2 to limit the first connector 5, preventing the first connector 5 from entering the inside of the headrest, so that the first connector 5 and the second connector 10 can be stably connected when the headrest is installed.

[0052] In some embodiments, the first electrical connection assembly further comprises a first protective sleeve 9, the first protective sleeve 9 being sleeved outside the first connecting end, and the first protective sleeve 9 being fixedly connected with the first outer sleeve 8, the first lead wire 3 passing through the first protective sleeve 9 to be connected with the first connecting end, the first protective sleeve 9 being used for fixing the elastic sheet 7 and protecting the connection position of the first lead wire 3 and the first connecting end.

[0053] Specifically, the first electrical connection assembly further comprises a first protective sleeve 9, the first protective sleeve 9 being sleeved outside the first connecting end, and the first protective sleeve 9 being fixedly connected with the first outer sleeve 8, so that the first protective sleeve 9 and the first outer sleeve 8 together cover the first connector 5 to protect the first connector 5; at the same time, the first lead wire 3 passes through the first protective sleeve 9 to be connected with the first connecting end, so that the first protective sleeve 9 protects the connection position of the first lead wire 3 and the first connecting end;

[0054] Specifically, in the embodiment, the first protective sleeve 9 is sleeved outside the first connecting end, and the first protective sleeve 9 is in close contact with the elastic sheet 7 in the placing groove 6 on the outer wall of the first connector 5 to fix the elastic sheet 7.

[0055] Specifically, in the embodiment, the first protective sleeve 9 is made of rubber, silica gel or soft plastic.

[0056] In some embodiments, the second electric connection assembly further comprises a second sleeve 11, the second sleeve 11 is sleeved outside the second connector 10, and the second sleeve 11 is used for clamping with the first sleeve 8.

[0057] Specifically, as shown in Figure 4 the second electric connection assembly further comprises a second sleeve 11, the second sleeve 11 is sleeved outside the second connector 10, the second sleeve 11 is used for protecting and fixing the second connector 10, and when the first connector 5 and the second connector 10 are connected, the second sleeve 11 clamps with the first sleeve 8 to improve the stability of the connection between the first connector 5 and the second connector 10.

[0058] In some embodiments, the second electric connection assembly further comprises a second protective sleeve 12, the second protective sleeve 12 is sleeved outside the third connecting end, the second protective sleeve 12 is connected with the second sleeve 11, the second wire 4 passes through the second protective sleeve 12 to connect with the third connecting end, and the second protective sleeve 12 is used for protecting the connection position of the second wire 4 and the third connecting end.

[0059] Specifically, the second electric connection assembly further comprises a second protective sleeve 12, the second protective sleeve 12 is sleeved outside the third connecting end, the second protective sleeve 12 is connected with the second sleeve 11, the second protective sleeve 12 is used for protecting and fixing the second connector 10; and the second wire 4 passes through the second protective sleeve 12 to connect with the third connecting end, so that the second protective sleeve 12 protects the connection position of the second wire 4 and the third connecting end, and prevents the second wire 4 from being separated from the third connecting end.

[0060] Specifically, in the embodiment, the second protective sleeve 12 is provided with a fifth clamping part 22 on the outside, and the second sleeve 11 is correspondingly provided with a sliding groove 24, the fifth clamping part 22 is connected with the sliding groove 24 to realize the connection between the second protective sleeve 12 and the second sleeve 11; in the embodiment, as shown in Figure 8 the fifth clamping part 22 is a protrusion.

[0061] In some embodiments, the second sleeve 11 is sleeved with a buffer elastic member 13 at an end away from the first sleeve 8.

[0062] Specifically, the end of the second outer sleeve 11 away from the first outer sleeve 8 is fitted with a buffer elastic element 13; when the headrest is installed on the car seat, the headrest rod 2 is inserted into the guide sleeve 18, thereby driving the first electrical connection assembly and the second electrical connection assembly to move to the bottom of the guide sleeve 18. At this time, the buffer elastic element 13 abuts against the bottom of the guide sleeve 18 to play a buffering role and prevent the first electrical connection assembly and the second electrical connection assembly from being damaged.

[0063] Specifically, the buffer elastic element 13 is a spring, high-elasticity sponge, sheet metal or other elastic structure or material.

[0064] In some embodiments, the second outer sleeve 11 is provided with a second limiting part 15. When the headrest is disassembled, the headrest body 1 is moved upward along with the headrest rod 2. When the second limiting part 15 abuts against the end of the guide sleeve 18 near the headrest body 1, the second connector 10 is limited and no longer moves. At this time, the first connector 5 continues to move upward with the headrest rod 2. At this time, the first electrical connection assembly and the second electrical connection assembly separate, completing the disassembly of the headrest body 1. In this embodiment, the second limiting part 15 is a protrusion with two protrusions respectively provided on both sides of the second outer sleeve 11 to limit the second connector 10. At the same time, using a single protrusion as the second limiting part 15 to limit the second connector 10 reduces the contact area between the second outer sleeve 11 and the guide sleeve 18, avoiding friction noise.

[0065] In some embodiments, the first outer sleeve 8 is provided with at least one first snap-fit ​​portion 16, which is located on the side of the first limiting portion 14 near the first guide wire 3; the inner wall of the headrest rod 2 is provided with a second snap-fit ​​portion corresponding to the first snap-fit ​​portion 16, and the first snap-fit ​​portion 16 is used to snap-fit ​​with the second snap-fit ​​portion.

[0066] Specifically, such as Figure 5 As shown, in this embodiment, a first snap-fit ​​portion 16 is provided on the first outer sleeve 8. The first snap-fit ​​portion 16 is a protrusion and is located on the side of the first limiting portion 14 near the first wire 3. A second snap-fit ​​portion is provided on the inner wall of the headrest corresponding to the first snap-fit ​​portion 16. The second snap-fit ​​portion is a groove. The first electrical connection component is disposed in the headrest rod 2, and the first snap-fit ​​portion 16 snaps into the second snap-fit ​​portion to connect the first electrical connection component and the headrest rod 2, preventing the first electrical connection component from falling out of the headrest rod 2.

[0067] Specifically, in some embodiments, the first latching part 16 is a groove, and the second latching part is a corresponding protrusion, and the first latching part and the second latching part are latched together.

[0068] In some embodiments, the first sleeve 8 is provided with at least one third clamping part 17, which is located on the side of the first limiting part 14 away from the first wire 3; the inner wall of the second sleeve 11 is provided with a fourth clamping part 25 corresponding to the third clamping part 17; when the first sleeve 8 is connected with the second sleeve 11, the fourth clamping part 25 clamps with the third clamping part 17.

[0069] Specifically, in the embodiment, the first sleeve 8 is provided with one third clamping part 17, which is a protrusion, and the third clamping part 17 is located on the side of the first limiting part 14 away from the first wire 3; the inner wall of the second sleeve 11 is provided with a fourth clamping part 25 corresponding to the third clamping part 17, which is a groove; when the first electric connection assembly and the second electric connection assembly are connected, the second sleeve 11 is inserted into the first sleeve 8 to be connected with the first sleeve 8, and at this time, the first clamping part 16 clamps with the third clamping part 17 to increase the stability of the connection between the first sleeve 8 and the second sleeve 11.

[0070] In some embodiments, the third clamping part 17 is a groove, and the fourth clamping part 25 is a protrusion, and the third clamping part 17 clamps with the fourth clamping part 25.

[0071] In some embodiments, the second sleeve 11 is further provided with a third limiting part 19, which is located on the side of the second limiting part 15 close to the second wire 4, and the buffer elastic member 13 is fixedly connected with the third limiting part 19; the third limiting part 19 is used for abutting with the inner wall of the guide sleeve 18 to prevent the second connector 10 from deviating.

[0072] Specifically, as shown in Figure 4 and Figure 7 , the second sleeve 11 is further provided with a third limiting part 19, which is located on the side of the second limiting part 15 close to the buffer elastic member 13; in the embodiment, the third limiting part 19 is a protrusion, and has two protrusions respectively arranged on the two sides of the second sleeve 11 to limit the second connector 10 and prevent the second connector 10 from deviating inside the guide sleeve 18; at the same time, a single protrusion is used as the third limiting part 19 to limit the second connector 10, which reduces the contact area between the second sleeve 11 and the guide sleeve 18 and avoids generating friction noise.

[0073] In addition, the third limiting part 19 is also used for connecting with the buffer elastic member 13 to provide support force for the buffer elastic member 13.

[0074] The above description is merely the preferred embodiments of the present application and the technical principles used. It should be understood by those skilled in the art that the scope of the utility model involved in the present application is not limited to the technical solutions formed by the specific combinations of the technical features described above, and should also cover other technical solutions formed by the combinations of the technical features described above or their equivalent features without departing from the concept of the utility model. For example, the technical solutions formed by the mutual replacement of the above features and the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A pluggable electrical connection structure for a car seat headrest, the car seat including a headrest body (1), the bottom of the headrest body (1) being provided with at least one headrest rod (2), the headrest rod (2) being used to connect with a guide sleeve (18) inside the car seat, the pluggable electrical connection structure (23) being disposed within the headrest rod (2) and the guide sleeve (18), characterized in that, include: A first electrical connection assembly is disposed within the headrest rod (2). The first electrical connection assembly includes a first connector (5), which has a first connection end and a second connection end. The first connection end is connected to a first wire (3). The interior of the first connector (5) is hollow, and the second connection end has a first opening. The second connection end extends out of the headrest rod (2). At least one placement groove (6) is provided on the first connector (5), and a spring piece (7) is provided in the placement groove (6). The second electrical connection assembly is disposed inside the guide sleeve (18). The second electrical connection assembly includes a second connector (10). The second connector has a third connection end and a fourth connection end. The third connection end is connected to a second wire (4). The fourth connection end is used to extend into the interior of the first connector (5) through the first opening to contact the spring piece (7). When the headrest rod (2) extends into the guide sleeve (18), the first connector (5) and the second connector (10) are electrically connected.

2. The pluggable electrical connection structure for a car seat headrest according to claim 1, characterized in that, The first electrical connection assembly further includes a first outer sleeve (8), which is sleeved on the outside of the second connection end. A first limiting part (14) is provided on the first outer sleeve (8), which is used to abut against the end of the headrest rod (2) to limit the first connector (5).

3. The pluggable electrical connection structure for a car seat headrest according to claim 2, characterized in that, The first electrical connection assembly further includes a first protective sleeve (9), which is sleeved on the outside of the first connection end and is fixedly connected to the first outer sleeve (8). The first wire (3) passes through the first protective sleeve (9) and is connected to the first connection end. The first protective sleeve (9) is used to fix the spring piece (7) and protect the connection position of the first wire (3) and the first connection end.

4. The pluggable electrical connection structure for a car seat headrest according to claim 2, characterized in that, The second electrical connection assembly further includes a second jacket (11), which is fitted over the outside of the second connector (10) and is used to engage with the first jacket (8).

5. The pluggable electrical connection structure for a car seat headrest according to claim 4, characterized in that, The second electrical connection assembly also includes a second protective sleeve (12), which is fitted over the outside of the third connection end. The second protective sleeve (12) is connected to the second outer sleeve (11). The second wire (4) passes through the second protective sleeve (12) and is connected to the third connection end. The second protective sleeve (12) is used to protect the connection position of the second wire (4) and the third connection end.

6. The pluggable electrical connection structure for a car seat headrest according to claim 5, characterized in that, The second outer jacket (11) is fitted with a cushioning elastic element (13) at the end away from the first outer jacket (8).

7. The pluggable electrical connection structure for a car seat headrest according to claim 6, characterized in that, The second outer sleeve (11) is provided with a second limiting part (15), which is used to abut against one end of the guide sleeve (18) near the headrest body (1) to limit the second connector (10).

8. The pluggable electrical connection structure for a car seat headrest according to claim 2, characterized in that, The first outer cover (8) is provided with at least one first snap-fit ​​part (16), the first snap-fit ​​part (16) is located on the side of the first limiting part (14) near the first wire (3); the inner wall of the headrest rod (2) is provided with a second snap-fit ​​part corresponding to the first snap-fit ​​part (16), the first snap-fit ​​part (16) is used to snap-fit ​​with the second snap-fit ​​part.

9. The pluggable electrical connection structure for a car seat headrest according to claim 4, characterized in that, The first outer jacket (8) is provided with at least one third snap-fit ​​portion (17), which is located on the side of the first limiting portion (14) away from the first wire (3); the inner wall of the second outer jacket (11) is provided with a fourth snap-fit ​​portion (25) corresponding to the third snap-fit ​​portion (17); when the first outer jacket (8) is connected to the second outer jacket (11), the fourth snap-fit ​​portion (25) snaps into the third snap-fit ​​portion (17).

10. A pluggable electrical connection structure for an automotive seat headrest according to claim 7, characterized in that, The second outer sleeve (11) is also provided with a third limiting part (19), which is located on the side of the second limiting part (15) near the second conductor (4). One end of the buffer elastic member (13) is fixedly connected to the third limiting part (19). The third limiting part (19) is used to abut against the inner wall of the guide sleeve (18) to prevent the second connector (10) from shifting.

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