Adjustable headrest for automobile seat

Abstract

The utility model provides an adjustable headrest for an automobile seat, which relates to the technical field of automobile expansion accessories and comprises a mounting component, a headrest component and a height adjusting mechanism. The mounting assembly comprises a fixed base, two mounting holes are formed in the fixed base, and the two mounting holes correspond to headrest rods on an automobile seat and are used for being connected with the headrest rods; the headrest assembly comprises a headrest supporting mechanism and a headrest body fixed to the headrest supporting mechanism. The headrest supporting mechanism comprises a main supporting piece and auxiliary supporting pieces arranged on the two sides of the main supporting piece, and the auxiliary supporting pieces are rotationally connected with the main supporting piece. The height adjusting mechanism comprises a fixed part connected with the installation assembly and a movable part connected with the main supporting piece, and the fixed part is movably connected with the movable part. The headrest is fixed to the headrest rod through the installation assembly, multi-angle supporting is provided through the main supporting piece and the auxiliary supporting piece, and the height of the headrest can be adjusted through the height adjusting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile extension accessories, in particular to an adjustable headrest for automobile seats. Background Art

[0002] As people's demands for car comfort and safety continue to rise, long-distance travel often requires rest or sleep. Without effective head support, the neck hangs suspended for extended periods, which can easily lead to neck pain and even injury. This problem is particularly acute on bumpy roads.

[0003] In order to solve the above problems, the prior art provides additional head support through accessories such as U-shaped pillows and neck pillows.

[0004] U-shaped pillows are usually large in size, inconvenient to carry, and difficult to fix on the seat. They are prone to slipping or shifting while the vehicle is moving, affecting the use effect and safety.

[0005] An elastic band is set on the back of the neck pillow, which is hung on the headrest of the car seat and fixed by the elastic band. The fixing effect is poor and it is easy to move. At the same time, the comfort during use is poor, the head support effect is not obvious, and it is easy to cause neck pain.

[0006] Therefore, it is necessary to improve the existing headrest for automobile seats to overcome the defects of the prior art. Utility Model Content

[0007] In order to overcome the problems existing in the related art, the purpose of the present invention is to provide an adjustable headrest for a car seat to solve the problems of poor fixing effect and poor comfort existing in the prior art.

[0008] An adjustable headrest for a car seat, comprising:

[0009] A mounting assembly, the mounting assembly comprising a fixed base having two mounting holes formed thereon, the two mounting holes corresponding to the headrest rods on the car seat for connecting to the headrest rods;

[0010] A headrest assembly, the headrest assembly comprising a headrest support mechanism and a headrest body fixed to the headrest support mechanism;

[0011] The headrest support mechanism includes a main support member and auxiliary support members provided on both sides of the main support member, and the auxiliary support members are rotatably connected to the main support member;

[0012] A height adjustment mechanism includes a fixed portion connected to the mounting assembly and a movable portion connected to the main support member, wherein the fixed portion is movably connected to the movable portion.

[0013] The mounting assembly secures the headrest to the vehicle seat's headrest rod, completing its basic installation and securing functions. The headrest's support mechanism, comprised of a main support member and a pivotable secondary support member, provides multi-angle support, adapting to different passenger head shapes and seating positions. Furthermore, a height adjustment mechanism allows the headrest's height to be adjusted based on the passenger's height, further enhancing comfort and adaptability.

[0014] Preferably, the height adjustment mechanism further includes a locking component, and the locking component is used to limit the relative movement between the fixed part and the movable part.

[0015] By adding locking components, the adjusted headrest height can be fixed to prevent accidental sliding or loosening, thereby improving the stability and safety of the headrest. It also makes it convenient for passengers to lock the height after finding a suitable support position to avoid repeated adjustments.

[0016] Preferably, it further includes a rotating shaft assembly, through which the secondary support member is connected to the main support member, and the fixing portion is connected to the mounting assembly.

[0017] Through the rotating shaft assembly, the rotation of the secondary support member relative to the main support member and the rotation of the fixed part relative to the mounting assembly are realized, so that the headrest can be adjusted at multiple angles, thereby better adapting to the head shape and sitting posture of different passengers and providing a more comfortable support experience.

[0018] Preferably, the headrest body includes a main headrest and a side headrest, the main headrest is fixed on the main support member, and the side headrest is fixed on the secondary support member.

[0019] Dividing the headrest body into a main headrest and side headrests, and fixing them on the main support and auxiliary support respectively, can achieve three-dimensional wrapping of the headrest, better fit the head contour, and provide more comfortable and stable support. Especially when the vehicle turns or bumps, it can effectively prevent the head from shaking and improve safety.

[0020] Preferably, the locking component includes a drive control component and a stop block, the fixed part is slidably connected to the movable part, and along the sliding direction of the fixed part and the movable part, a first locking area is provided on the fixed part, and a second locking area is provided on the movable part. The stop block is selectively clamped between the first locking area and the second locking area, and the drive control component is connected to the stop block to make the stop block leave the first locking area or the second locking area.

[0021] The drive control assembly and stop block enable precise adjustment and locking of the headrest height. The stop block selectively engages the fixed and movable parts, allowing for fine adjustment of the headrest height. The drive control assembly also controls the movement of the stop block, facilitating unlocking and height adjustment, improving user convenience and comfort.

[0022] Preferably, the drive control component includes a first working chamber, in which a drive block is provided. One end of the drive block is connected to the stop block, and a first return spring is provided on the other opposite end. One end of the first return spring abuts the drive block, and the other end abuts the first working chamber.

[0023] By providing a first working chamber, a drive block, and a first return spring within the drive control assembly, the stop block achieves automatic reset. When the user unlocks the headrest height, the stop block stops engaging between the first and second locking zones to adjust the headrest height. The first return spring pushes the stop block back to its initial position, locking the headrest height, improving operational convenience and efficiency.

[0024] Preferably, the drive control assembly further comprises a second working chamber, wherein a control button is provided in the second working chamber, one end of the control button passes through the second working chamber, and a second return spring is provided on the other opposite end, wherein one end of the second return spring abuts against the control button, and the other end abuts against the second working chamber;

[0025] A transmission platform is provided between the control button and the driving block, one end of the transmission platform abuts the control button, and the other end is slidably connected to the driving block. A guide rail is provided on the driving block, and along the compression direction of the second return spring, the guide rail extends along the extension direction of the first return spring. A transmission block is provided on the transmission platform, and the transmission block slides in the guide rail.

[0026] By integrating a second working chamber, a control button, a second return spring, and a transmission mechanism, the user can conveniently control the headrest height. Pressing the control button compresses the second return spring, causing the transmission platform to simultaneously move linearly. Simultaneously, the transmission block slides within the guide rail, driving the driver block to compress the first return spring, unlocking the stop block and allowing for convenient adjustment of the headrest height. Furthermore, the second return spring ensures the control button returns to its original position, improving operational reliability.

[0027] Preferably, the rotating shaft assembly includes at least two rotating columns hinged to each other, the rotating columns are coaxially distributed, and adjacent end faces of two adjacent rotating columns are respectively provided with a toothed disc and a spring column, the toothed disc includes a plurality of latching teeth arranged along the radial direction of the rotating column, and the plurality of latching teeth are arranged at intervals to form a plurality of latching grooves, the spring column is arranged perpendicular to the end face of the rotating column, the spring column abuts the toothed disc, and the latching groove is used to accommodate the spring column.

[0028] The headrest's angle is adjusted and locked by using at least two coaxially arranged rotating columns, with toothed discs and spring columns positioned on the end faces of adjacent rotating columns. The teeth and slots work together to achieve precise angular positioning, while the spring columns provide reliable locking force, ensuring the headrest remains stable after adjustment.

[0029] Preferably, the drive control component is arranged on the fixing portion.

[0030] The drive control component is arranged on the fixed part, so that the operation of the drive control component can be more stable and convenient for users to operate.

[0031] Preferably, the fixed base also includes an elastic top claw, which includes a claw head, a claw body and a third return spring connected in sequence. A top claw channel is opened perpendicular to the inner wall of the mounting hole. The third return spring is arranged in the top claw channel. The claw body is slidably connected to the top claw channel, and the claw head is used to abut the headrest rod.

[0032] By adding an elastic top claw to the mounting assembly, the connection strength and stability between the headrest and the headrest rod are enhanced. The claw's tip firmly abuts the headrest rod, while the third return spring provides reliable rebound force, ensuring the headrest will not loosen or fall off during use, enhancing product safety.

[0033] The beneficial effects of the utility model are:

[0034] The utility model provides an adjustable headrest for a car seat, comprising a mounting assembly, a headrest assembly, and a height adjustment mechanism. The mounting assembly secures the headrest to the car seat's headrest rod, achieving the basic installation and securing functions of the headrest. Furthermore, the headrest support mechanism, comprising a main support member and a rotatable secondary support member, provides multi-angle support for the headrest, adapting it to different passenger head shapes and seating postures. Furthermore, the height adjustment mechanism allows the headrest's height to be adjusted according to the passenger's height, further enhancing comfort and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1This is a perspective view of an installation of an adjustable headrest for a car seat provided in an embodiment of the present application;

[0036] Figure 2 This is a side view of an installation of an adjustable headrest for a car seat provided in an embodiment of the present application;

[0037] Figure 3 is a perspective view of the front side of an adjustable headrest for a car seat provided in an embodiment of the present application;

[0038] Figure 4 is a perspective view of the back side of an adjustable headrest for a car seat provided in an embodiment of the present application;

[0039] Figure 5 This is an internal view of the height adjustment mechanism provided in an embodiment of the present application.

[0040] Figure 6 is a cross-sectional view of a height adjustment mechanism provided in an embodiment of the present application;

[0041] Figure 7 is a perspective view of another adjustable headrest for a car seat provided in an embodiment of the present application;

[0042] Figure 8 is a schematic diagram of a rotating shaft assembly provided in an embodiment of the present application;

[0043] Figure 9 It is a partial structural cross-sectional view of the shaft assembly provided in an embodiment of the present application.

[0044] Reference numerals:

[0045] 100, mounting assembly; 110, fixed base; 111, mounting hole; 120, elastic top claw; 121, claw head; 122, claw body;

[0046] 200, headrest assembly; 210, headrest support mechanism; 211, main support member; 212, secondary support member; 220, headrest body; 221, main headrest; 222, side headrest;

[0047] 300, height adjustment mechanism; 310, fixed portion; 311, first locking area; 320, movable portion; 321, second locking area; 330, locking member; 331, drive control assembly; 3311, first working chamber; 3312, drive block; 33121, guide rail; 3313, first return spring; 3314, second working chamber; 3315, control button; 3316, second return spring; 3317, transmission platform; 3318, transmission block; 332, stop block;

[0048] 400, rotating shaft assembly; 410, rotating column; 411, gear plate; 4111, latching teeth; 4112, latching slot; 412, spring column. DETAILED DESCRIPTION

[0049] The following describes preferred embodiments of the present invention in more detail with reference to the accompanying drawings. Although preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0050] Example 1

[0051] like Figures 1-9 As shown, this embodiment provides an adjustable headrest for a car seat, the adjustable headrest for a car seat comprising:

[0052] The mounting assembly 100 includes a fixed base 110 having two mounting holes 111 formed therein. The two mounting holes 111 correspond to the headrest rods on the car seat and are used to connect to the headrest rods;

[0053] Specifically, the fixed base 110 also includes an elastic top claw 120, which includes a claw head 121, a claw body 122 and a third return spring connected in sequence. A top claw channel is opened perpendicular to the inner wall of the mounting hole 111, and the third return spring is arranged in the top claw channel. The claw body 122 is slidably connected to the top claw channel, and the claw head 121 is used to abut the headrest rod.

[0054] A headrest assembly 200 , comprising a headrest support mechanism 210 and a headrest body 220 fixed to the headrest support mechanism 210 ;

[0055] The headrest support mechanism 210 includes a main support member 211 and auxiliary support members 212 provided on both sides of the main support member 211, and the auxiliary support members 212 are rotatably connected to the main support member 211;

[0056] Specifically, the main support member 211 and the auxiliary support member 212 are both plate-shaped structures.

[0057] More specifically, the headrest body 220 includes a main headrest 221 and a side headrest 222 . The main headrest 221 is fixed to the main support member 211 , and the side headrest 222 is fixed to the secondary support member 212 .

[0058] More specifically, the material of the headrest body 220 can be selected as needed, for example, memory foam, sponge, latex or other comfortable materials can be used, and the shape and size of the side headrest 222 can be adjusted as needed, for example, arc, square, rounded rectangle or other shapes can be used.

[0059] The height adjustment mechanism 300 includes a fixed portion 310 connected to the mounting assembly 100 and a movable portion 320 connected to the main support member 211 . The fixed portion 310 and the movable portion 320 are movably connected.

[0060] Furthermore, the height adjustment mechanism 300 further includes a locking component 330 , and the locking component 330 is used to limit the relative movement between the fixed portion 310 and the movable portion 320 .

[0061] Specifically, the locking component 330 includes a drive control component 331 and a stop block 332. The fixed part 310 is slidably connected to the movable part 320. Along the sliding direction of the fixed part 310 and the movable part, a first locking area 311 is provided on the fixed part 310, and a second locking area 321 is provided on the movable part 320. The stop block 332 is selectively clamped between the first locking area 311 and the second locking area 321. The drive control component 331 is connected to the stop block 332 to make the stop block 332 leave the first locking area 311 or the second locking area 321.

[0062] More specifically, the drive control component 331 can be electrically controlled or manually controlled.

[0063] More specifically, the drive control component 331 is disposed on the fixing portion 310 .

[0064] More specifically, the drive control component 331 includes a first working chamber 3311, in which a drive block 3312 is provided. One end of the drive block 3312 is connected to the stop block 332, and a first return spring 3313 is provided on the other opposite end. One end of the first return spring 3313 abuts against the drive block 3312, and the other end abuts against the first working chamber 3311.

[0065] More specifically, the drive control assembly 331 further includes a second working chamber 3314, in which a control button 3315 is disposed. One end of the control button 3315 protrudes from the second working chamber 3314, and a second return spring 3316 is disposed on the other end thereof. One end of the second return spring 3316 abuts against the control button 3315, and the other end abuts against the second working chamber 3314.

[0066] A transmission platform 3317 is provided between the control button 3315 and the driving block 3312. One end of the transmission platform 3317 abuts the control button 3315, and the other end is slidably connected to the driving block 3312. A guide rail 33121 is provided on the driving block 3312. Along the compression direction of the second return spring 3316, the guide rail 33121 extends along the extension direction of the first return spring 3313. A transmission block 3318 is provided on the transmission platform 3317, and the transmission block 3318 slides in the guide rail 33121.

[0067] Furthermore, in this embodiment, the movable part 320 is symmetrically provided with two square columns, and correspondingly, the first working chamber 3311, the driving block 3312, the first return spring 3313, the second return spring 3316, the transmission platform 3317, the transmission block 3318 and the stop block 332 are all symmetrically provided with two, and two square channels are correspondingly provided on the fixed part 310, the first locking area 311 and the second locking area 321 are both cylindrical through holes, and correspondingly, the stop block 332 is also cylindrical.

[0068] Furthermore, it further includes a rotating shaft assembly 400 , through which the secondary support member 212 and the main support member 211 are connected, and the fixing portion 310 and the mounting assembly 100 are connected.

[0069] Specifically, the rotating shaft assembly 400 includes at least two rotating columns 410 hinged to each other, and the rotating columns 410 are coaxially distributed. Adjacent end faces of two adjacent rotating columns 410 are respectively provided with a toothed disc 411 and a spring column 412. The toothed disc 411 includes a plurality of latching teeth 4111 arranged along the radial direction of the rotating column 410. Several of the latching teeth 4111 are arranged at intervals to form a plurality of latching grooves 4112. The spring column 412 is arranged perpendicular to the end face of the rotating column 410, and the spring column 412 abuts the toothed disc 411. The latching groove 4112 is used to accommodate the spring column 412.

[0070] Usage process:

[0071] Slide the mounting hole 111 of the mounting assembly 100 onto the headrest rod of the car seat, and the claw head 121 of the elastic top claw 120 abuts against the headrest rod to achieve a fixed connection. Adjust the height of the headrest through the height adjustment mechanism 300 to find a comfortable support position. Press the control button 3315, drive the control assembly 331 to drive the stop block 332 out of the locking area, and unlock the height adjustment mechanism 300. After adjusting the height of the headrest, release the control button 3315, and the stop block 332 will be re-engaged in the locking area under the action of the return spring to lock the height of the headrest. Adjust the angle of the auxiliary support member 212 through the shaft assembly 400, and adjust the angle of the side headrest 222 to adapt to different head postures.

[0072] Beneficial effects:

[0073] This embodiment achieves adjustable height and angle of the headrest through the coordination of the mounting assembly 100, the height adjustment mechanism 300, and the rotating shaft assembly 400, and can be reliably fixed to the car seat. The design of the elastic top claw 120 enhances the stability of the connection between the mounting assembly 100 and the headrest rod, while the introduction of the locking component 330 effectively prevents accidental sliding of the headrest, improving safety. The plate-like structure of the support member and the headrest body 220 has a stable structure and a strong load-bearing capacity, meeting the needs of different users. At the same time, the control button 3315 is easy to operate, making it easy to adjust and lock the height of the headrest, enhancing the user experience.

[0074] Example 2

[0075] like Figures 1-9 As shown, this embodiment provides an adjustable headrest for a car seat, the adjustable headrest for a car seat comprising:

[0076] The mounting assembly 100 includes a fixed base 110 having two mounting holes 111 formed therein. The two mounting holes 111 correspond to the headrest rods on the car seat and are used to connect to the headrest rods;

[0077] Specifically, the inner diameter of the mounting hole 111 is slightly larger than the outer diameter of the headrest rod. A flexible layer can be provided on the inner side of the mounting hole 111 to increase the mutual friction with the headrest rod. The flexible layer can be made of rubber, silicone, TPE / TPU or other materials with elasticity and friction.

[0078] A headrest assembly 200 , comprising a headrest support mechanism 210 and a headrest body 220 fixed to the headrest support mechanism 210 ;

[0079] The headrest support mechanism 210 includes a main support member 211 and auxiliary support members 212 provided on both sides of the main support member 211, and the auxiliary support members 212 are rotatably connected to the main support member 211;

[0080] Specifically, the main support member 211 and the auxiliary support member 212 are both frame structures.

[0081] More specifically, the headrest body 220 wraps the main support member 211 and the auxiliary support member 212 .

[0082] The height adjustment mechanism 300 includes a fixed portion 310 connected to the mounting assembly 100 and a movable portion 320 connected to the main support member 211 . The fixed portion 310 and the movable portion 320 are movably connected.

[0083] The height adjustment mechanism 300 may adopt a damping self-locking structure, for example:

[0084] A friction plate is added between the fixed portion 310 and the movable portion 320 and preloaded by a spring. The preload provided by the spring generates sufficient friction between the friction plate and the fixed portion 310 and the movable portion 320, thereby achieving damping and self-locking.

[0085] A long rack with evenly distributed teeth is fixed on the movable part 320 , and a small gear meshing with the rack is provided on the fixed part 310 . The rack is driven up and down by rotation, thereby achieving height adjustment of the headrest.

[0086] Usage process:

[0087] Slide mounting hole 111 of mounting assembly 100 onto the headrest rod of the car seat, ensuring the flexible layer fits snugly against the rod. Adjust the headrest's height, and the damping self-locking mechanism automatically locks the headrest's height. Adjust the angle of secondary support member 212 and, consequently, the side headrest 222, using shaft assembly 400.

[0088] Beneficial effects:

[0089] This embodiment utilizes a height adjustment mechanism 300 with a damping, self-locking structure, simplifying the structure and reducing costs while achieving stepless adjustment and automatic locking. The introduction of a flexible layer enhances the stability of the connection between the mounting assembly 100 and the headrest rod, while the frame-structured support and the wrapped headrest body 220 improve the integrity and aesthetics of the headrest. Without the need for a locking mechanism, adjustment is more convenient and quick, enhancing the user experience.

[0090] Example 3

[0091] like Figures 1-9 As shown, this embodiment provides an adjustable headrest for a car seat, the adjustable headrest for a car seat comprising:

[0092] The mounting assembly 100 includes a fixed base 110 having two mounting holes 111 formed therein. The two mounting holes 111 correspond to the headrest rods on the car seat and are used to connect to the headrest rods;

[0093] A headrest assembly 200 , comprising a headrest support mechanism 210 and a headrest body 220 fixed to the headrest support mechanism 210 ;

[0094] The headrest support mechanism 210 includes a main support member 211 and auxiliary support members 212 provided on both sides of the main support member 211, and the auxiliary support members 212 are rotatably connected to the main support member 211;

[0095] Specifically, the headrest body 220 includes a main headrest 221 and a side headrest 222 . The main headrest 221 is fixed to the main support member 211 , and the side headrest 222 is fixed to the secondary support member 212 .

[0096] The height adjustment mechanism 300 includes a fixed portion 310 connected to the mounting assembly 100 and a movable portion 320 connected to the main support member 211 . The fixed portion 310 and the movable portion 320 are movably connected.

[0097] Furthermore, the height adjustment mechanism 300 further includes a locking component 330 , and the locking component 330 is used to limit the relative movement between the fixed portion 310 and the movable portion 320 .

[0098] Specifically, the locking component 330 includes a drive control component 331 and a stop block 332. The fixed part 310 is slidably connected to the movable part 320. Along the sliding direction of the fixed part 310 and the movable part, a first locking area 311 is provided on the fixed part 310, and a second locking area 321 is provided on the movable part 320. The stop block 332 is selectively clamped between the first locking area 311 and the second locking area 321. The drive control component 331 is connected to the stop block 332 to make the stop block 332 leave the first locking area 311 or the second locking area 321.

[0099] More specifically, the drive control component 331 is disposed on the fixing portion 310 .

[0100] More specifically, the drive control component 331 includes a first working chamber 3311, in which a drive block 3312 is provided. One end of the drive block 3312 is connected to the stop block 332, and a first return spring 3313 is provided on the other opposite end. One end of the first return spring 3313 abuts against the drive block 3312, and the other end abuts against the first working chamber 3311.

[0101] More specifically, the drive control assembly 331 further includes a second working chamber 3314, in which a control button 3315 is disposed. One end of the control button 3315 protrudes from the second working chamber 3314, and a second return spring 3316 is disposed on the other end thereof. One end of the second return spring 3316 abuts against the control button 3315, and the other end abuts against the second working chamber 3314.

[0102] A transmission platform 3317 is provided between the control button 3315 and the driving block 3312. One end of the transmission platform 3317 abuts the control button 3315, and the other end is slidably connected to the driving block 3312. A guide rail 33121 is provided on the driving block 3312. Along the compression direction of the second return spring 3316, the guide rail 33121 extends along the extension direction of the first return spring 3313. A transmission block 3318 is provided on the transmission platform 3317, and the transmission block 3318 slides in the guide rail 33121.

[0103] Furthermore, in this embodiment, the movable portion 320 is symmetrically provided with two cylindrical bars, and the fixed portion 310 is correspondingly provided with two cylindrical channels. The first locking area 311 is a cylindrical through-hole, and the second locking area 321 is a notch provided in the cylinder. The lower side of the notch extends inward perpendicular to the sidewall of the cylindrical bar and then gradually becomes flush with the cylindrical sidewall. Correspondingly, the stop block 332 is cylindrical and located near one end of the cylinder. It is tilted from bottom to top, eliminating the need to operate the control button 3315 when raising the headrest height.

[0104] Specifically, a locking component 330 is provided for locking one of the cylindrical bars of the movable part 320, a spring ball locking structure is provided corresponding to the other cylindrical bar, and a circular groove is provided on the other cylindrical bar at a position corresponding to the second locking area 321, and the groove cooperates with the spring ball.

[0105] More specifically, in this embodiment, the fixing portion 310 is fixedly connected to the mounting assembly 100 .

[0106] Furthermore, a heating function may be provided on the headrest body 220, such as a built-in heating wire or heating sheet.

[0107] Usage process:

[0108] Slide the mounting hole 111 of the mounting assembly 100 onto the headrest rod of the car seat. Adjust the height of the headrest using the height adjustment mechanism 300 to find a comfortable support position. There's no need to operate the control button 3315 to raise the headrest height. To lower the headrest height, press the control button 3315, which drives the control assembly 331 to move the stop block 332 out of the locking zone, unlocking the height adjustment mechanism 300. After adjusting the headrest height, release the control button 3315. The stop block 332 reengages the locking zone under the action of the return spring, locking the headrest height. Adjust the angle of the secondary support member 212 using the shaft assembly 400 to adjust the angle of the side headrest 222.

[0109] Beneficial effects:

[0110] The locking member 330 of this embodiment cooperates with the cylindrical bar to achieve precise adjustment and secure locking of the headrest height. The control button 3315 is easy to operate, making it easy to adjust and lock the headrest height. The spring-loaded ball locking structure and the fixed connection to the fixing portion 310 enhance the stability of the headrest. Furthermore, the built-in heating function provides users with a more comfortable driving experience.

[0111] Example 4

[0112] like Figures 1-9 As shown, this embodiment provides an adjustable headrest for a car seat, the adjustable headrest for a car seat comprising:

[0113] The mounting assembly 100 includes a fixed base 110 having two mounting holes 111 formed therein. The two mounting holes 111 correspond to the headrest rods on the car seat and are used to connect to the headrest rods;

[0114] A headrest assembly 200 , comprising a headrest support mechanism 210 and a headrest body 220 fixed to the headrest support mechanism 210 ;

[0115] The headrest support mechanism 210 includes a main support member 211 and auxiliary support members 212 provided on both sides of the main support member 211, and the auxiliary support members 212 are rotatably connected to the main support member 211;

[0116] Specifically, the headrest body 220 includes a main headrest 221 and a side headrest 222 . The main headrest 221 is fixed to the main support member 211 , and the side headrest 222 is fixed to the secondary support member 212 .

[0117] The height adjustment mechanism 300 includes a fixed portion 310 connected to the mounting assembly 100 and a movable portion 320 connected to the main support member 211 . The fixed portion 310 and the movable portion 320 are movably connected.

[0118] Furthermore, the height adjustment mechanism 300 further includes a locking component 330 , and the locking component 330 is used to limit the relative movement between the fixed portion 310 and the movable portion 320 .

[0119] Specifically, the locking component 330 includes a drive control component 331 and a stop block 332. The fixed part 310 is slidably connected to the movable part 320. Along the sliding direction of the fixed part 310 and the movable part, a first locking area 311 is provided on the fixed part 310, and a second locking area 321 is provided on the movable part 320. The stop block 332 is selectively clamped between the first locking area 311 and the second locking area 321. The drive control component 331 is connected to the stop block 332 to make the stop block 332 leave the first locking area 311 or the second locking area 321.

[0120] More specifically, the drive control component 331 includes a first working chamber 3311, in which a drive block 3312 is provided. One end of the drive block 3312 is connected to the stop block 332, and a first return spring 3313 is provided on the other opposite end. One end of the first return spring 3313 abuts against the drive block 3312, and the other end abuts against the first working chamber 3311.

[0121] Furthermore, in this embodiment, the movable portion 320 is symmetrically provided with two cylindrical bars, and the fixed portion 310 is correspondingly provided with two cylindrical channels. The first locking area 311 is a cylindrical through-hole, and the second locking area 321 is a notch provided in the cylinder. The upper side of the notch extends inward perpendicular to the sidewall of the cylindrical bar and then gradually becomes flush with the cylindrical sidewall. Correspondingly, the stop block 332 is cylindrical and located near one end of the cylinder. It is tilted from top to bottom, eliminating the need to operate the shifter when lowering the headrest height.

[0122] Specifically, a locking component 330 is provided for locking one of the cylindrical bars of the movable part 320, a spring ball locking structure is provided corresponding to the other cylindrical bar, and a circular groove is provided on the other cylindrical bar at a position corresponding to the second locking area 321, and the groove cooperates with the spring ball.

[0123] More specifically, in this embodiment, the drive control assembly 331 is disposed above the fixing portion 310 , and the drive block 3312 is a shifting block, and the movement of the stop block 332 is controlled by shifting the drive block 3312 .

[0124] Furthermore, a Bluetooth speaker can be provided on the headrest body 220 to facilitate the user to listen to music or answer calls while traveling.

[0125] Usage process:

[0126] Mounting hole 111 of mounting assembly 100 is inserted into the headrest rod of the vehicle seat. To lower the headrest, there's no need to operate the shifter. To raise the headrest, shift the shifter of drive control assembly 331, which drives stopper 332 out of the locking zone, unlocking height adjustment mechanism 300. After adjusting the headrest height, release the shifter. Stopper 332, activated by the return spring, reengages the locking zone, locking the headrest height. The angle of the secondary support member 212 is adjusted using the shaft assembly 400, thereby adjusting the angle of the side headrest 222.

[0127] Beneficial effects:

[0128] The paddle-type drive control assembly 331 of this embodiment works in conjunction with the cylindrical bar to facilitate headrest height adjustment and secure locking. The spring-ball locking mechanism enhances headrest stability. Furthermore, the built-in Bluetooth audio system provides a richer entertainment experience, enhancing the driving experience.

[0129] Example 5

[0130] like Figures 1-9 As shown, this embodiment provides an adjustable headrest for a car seat, the adjustable headrest for a car seat comprising:

[0131] The mounting assembly 100 includes a fixed base 110 having two mounting holes 111 formed therein. The two mounting holes 111 correspond to the headrest rods on the car seat and are used to connect to the headrest rods;

[0132] A headrest assembly 200 , comprising a headrest support mechanism 210 and a headrest body 220 fixed to the headrest support mechanism 210 ;

[0133] The headrest support mechanism 210 includes a main support member 211 and auxiliary support members 212 provided on both sides of the main support member 211, and the auxiliary support members 212 are rotatably connected to the main support member 211;

[0134] Specifically, the headrest body 220 includes a main headrest 221 and a side headrest 222 . The main headrest 221 is fixed to the main support member 211 , and the side headrest 222 is fixed to the secondary support member 212 .

[0135] The height adjustment mechanism 300 includes a fixed portion 310 connected to the mounting assembly 100 and a movable portion 320 connected to the main support member 211 . The fixed portion 310 and the movable portion 320 are movably connected.

[0136] Furthermore, the height adjustment mechanism 300 further includes a locking component 330 , and the locking component 330 is used to limit the relative movement between the fixed portion 310 and the movable portion 320 .

[0137] More specifically, in this embodiment, the locking component 330 includes a tightening device arranged on the side of the fixed part 310, the tightening device includes a rotating handle and a threaded rod, and two square bars are symmetrically arranged on the movable part 320. By rotating the rotating handle, the threaded rod abuts the square bar, thereby realizing the adjustment and locking of the fixed part 310 and the movable part 320.

[0138] Furthermore, a storage bag can be provided on the headrest body 220 to facilitate users to store small items.

[0139] Usage process:

[0140] Put the mounting hole 111 of the mounting assembly 100 on the headrest rod of the car seat, turn the rotating handle of the tightening device to loosen the threaded rod, adjust the height of the headrest, turn the rotating handle of the tightening device to make the threaded rod abut the square bar, and lock the headrest height.

[0141] Beneficial effects:

[0142] The tightening device of this embodiment allows for stepless adjustment and secure locking of the headrest height. The handle is easily operated, making it easy to adjust and lock the headrest height. The simple structure of the tightening device facilitates manufacturing and assembly, reducing costs. Furthermore, a built-in storage pocket provides additional storage space, enhancing practicality.

[0143] Unless otherwise specifically stated, the relative arrangement, numerical expression and numerical value of the parts and steps set forth in these embodiments do not limit the scope of the application. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a restriction. Therefore, other examples of exemplary embodiments can have different values. It should be noted that: similar reference numerals and letters represent similar items in the accompanying drawings below, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in the accompanying drawings subsequently.

[0144] In addition, it should be noted that the use of terms such as "first" and "second" for limitation is only for the convenience of distinction. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0145] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An adjustable headrest for a car seat, characterized in that: include: A mounting assembly (100), the mounting assembly (100) comprising a fixed base (110), the fixed base (110) being provided with two mounting holes (111), the two mounting holes (111) corresponding to headrest rods on a car seat, and being used for connecting the headrest rods; A headrest assembly (200), the headrest assembly (200) comprising a headrest support mechanism (210) and a headrest body (220) fixed to the headrest support mechanism (210); The headrest support mechanism (210) includes a main support member (211) and auxiliary support members (212) provided on both sides of the main support member (211), wherein the auxiliary support members (212) are rotatably connected to the main support member (211); A height adjustment mechanism (300) includes a fixed portion (310) connected to the mounting assembly (100) and a movable portion (320) connected to the main support member (211), wherein the fixed portion (310) and the movable portion (320) are movably connected.

2. The adjustable headrest for a car seat according to claim 1, characterized in that: The height adjustment mechanism (300) further includes a locking component (330), and the locking component (330) is used to limit the relative movement between the fixed portion (310) and the movable portion (320).

3. The adjustable headrest for a car seat according to claim 1 or 2, characterized in that: It also includes a rotating shaft assembly (400), the auxiliary support member (212) and the main support member (211) are connected through the rotating shaft assembly (400), and the fixing portion (310) and the installation assembly (100) are connected through the rotating shaft assembly (400).

4. The adjustable headrest for a car seat according to claim 3, characterized in that: The headrest body (220) comprises a main headrest (221) and a side headrest (222); the main headrest (221) is fixed on the main support member (211); and the side headrest (222) is fixed on the secondary support member (212).

5. The adjustable headrest for a car seat according to claim 2, characterized in that: The locking component (330) includes a drive control assembly (331) and a stop block (332). The fixed portion (310) is slidably connected to the movable portion (320). Along the sliding direction of the fixed portion (310) and the movable portion, a first locking area (311) is provided on the fixed portion (310), and a second locking area (321) is provided on the movable portion (320). The stop block (332) is selectively clamped between the first locking area (311) and the second locking area (321). The drive control assembly (331) is connected to the stop block (332) to enable the stop block (332) to leave the first locking area (311) or the second locking area (321).

6. The adjustable headrest for a car seat according to claim 5, characterized in that: The drive control assembly (331) includes a first working chamber (3311), a drive block (3312) is provided in the first working chamber (3311), one end of the drive block (3312) is connected to the stop block (332), and a first return spring (3313) is provided on the other opposite end, one end of the first return spring (3313) abuts against the drive block (3312), and the other end abuts against the first working chamber (3311).

7. The adjustable headrest for a car seat according to claim 6, characterized in that: The drive control assembly (331) further comprises a second working chamber (3314), wherein a control button (3315) is provided in the second working chamber (3314), wherein one end of the control button (3315) passes through the second working chamber (3314), and a second return spring (3316) is provided on the other opposite end, wherein one end of the second return spring (3316) abuts against the control button (3315), and the other end abuts against the second working chamber (3314); A transmission platform (3317) is provided between the control button (3315) and the driving block (3312), one end of the transmission platform (3317) abuts against the control button (3315), and the other end is slidably connected to the driving block (3312), and a guide rail (33121) is provided on the driving block (3312), and along the compression direction of the second return spring (3316), the guide rail (33121) extends along the extension direction of the first return spring (3313), and a transmission block (3318) is provided on the transmission platform (3317), and the transmission block (3318) slides in the guide rail (33121).

8. The adjustable headrest for a car seat according to claim 3, characterized in that: The rotating shaft assembly (400) includes at least two rotating columns (410) hinged to each other. The rotating columns (410) are coaxially distributed. Adjacent end surfaces of two adjacent rotating columns (410) are respectively provided with a toothed disc (411) and a spring column (412). The toothed disc (411) includes a plurality of latching teeth (4111) arranged along the radial direction of the rotating column (410). The plurality of latching teeth (4111) are arranged at intervals to form a plurality of latching grooves (4112). The spring column (412) is arranged perpendicular to the end surface of the rotating column (410). The spring column (412) abuts against the toothed disc (411), and the latching groove (4112) is used to accommodate the spring column (412).

9. The adjustable headrest for a car seat according to any one of claims 5 to 7, characterized in that: The drive control component (331) is arranged on the fixing portion (310).

10. The adjustable headrest for a car seat according to claim 1, characterized in that: The fixed base (110) further includes an elastic top claw (120), the elastic top claw (120) including a claw head (121), a claw body (122) and a third return spring connected in sequence, a top claw channel is opened perpendicular to the inner wall of the mounting hole (111), the third return spring is arranged in the top claw channel, the claw body (122) is slidably connected to the top claw channel, and the claw head (121) is used to abut the headrest rod.

Images