Seat headrest capable of being adjusted in four directions and automobile
By designing a seat headrest that includes a linkage adjustment component and a trigger, four-way adjustment is achieved, which solves the problem of simultaneous four-way adjustment in the existing technology and provides a more comfortable and safer riding experience.
Patent Information
- Application Number
- CN202420505002.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The existing seat headrests cannot be adjusted in four directions at the same time, and need to be distributed and adjusted, which cannot meet the body shape and posture needs of different occupants.
Design a seat head pillow that includes headrest rods, front pillow lids, head pillow cover, linked adjustment components and trigger parts. The linked adjustment component includes a linkage base, upper and lower unlocking parts, and front and rear unlock parts. Through the trigger parts of the trigger parts, unlocking is unlocked simultaneously, and the linkage base moves along the upper and lower sliders along the head pillow rod to achieve four -way adjustment.
The four -way adjustment of the seat headrest can better adapt to the body shape and posture needs of different occupants, provide a more comfortable ride experience, alleviate the fatigue and protect the occupant's head and neck.
Smart Images
Figure CN222388041U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seat headrest equipment, in particular to a seat headrest adjustable in four directions and a car. Background Art
[0002] With the development of the times, people have higher and higher requirements for cars, and seat headrests are playing an increasingly important role. Ordinary fixed headrests and up and down adjustable headrests can no longer meet market demand. In order to cope with the different body shapes and postures of different passengers, in addition to being able to adjust up and down, the front and back position also needs to be able to be adjusted so that the headrest can always be in a more comfortable position, better support the passenger's head, relieve riding fatigue, and protect the passenger's head and neck.
[0003] The four-way adjustable headrests currently on the market are not perfect in many aspects, especially during the adjustment process. The headrests of existing products cannot be adjusted in four directions at the same time and require distributed adjustment. Utility Model Content
[0004] The utility model aims to provide a seat headrest and a car which can be adjusted in four directions, so as to alleviate the technical problem that the four directions cannot be adjusted simultaneously in the prior art.
[0005] In a first aspect, an embodiment of the utility model provides a four-way adjustable seat headrest, comprising a headrest rod, a headrest front cover, a headrest rear cover, a linkage adjustment assembly and a trigger member;
[0006] The headrest front cover and the headrest rear cover are connected to each other and form an active cavity, the linkage adjustment component is arranged in the active cavity, and one end of the headrest rod is inserted in the active cavity;
[0007] The linkage adjustment assembly includes a linkage base, an upper and lower unlocking member and a front and rear unlocking member, the upper and lower unlocking member and the front and rear unlocking member are all installed on the linkage base, the linkage base is slidably arranged on the headrest rod, a front and rear sliding rod is arranged in the activity cavity, and the linkage base is slidably arranged on the front and rear sliding rod;
[0008] The trigger member includes a trigger push rod and a trigger button, the trigger button is installed on the back cover of the headrest, the trigger push rod is inserted in the trigger member, and the trigger push rod is provided with a trigger driving member for synchronously driving the upper and lower unlocking members and the front and rear unlocking members.
[0009] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein a trigger guide groove is provided on the linkage base, and the trigger push rod is slidably disposed in the trigger guide groove.
[0010] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the upper and lower unlocking members include a torsion spring unlocking rod, and one end of the headrest rod is provided with a plurality of locking grooves adapted to the torsion spring unlocking rod;
[0011] The trigger push rod is provided with a pushing portion which abuts against the torsion spring unlocking rod.
[0012] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein a pushing groove is provided on the trigger push rod, and the pushing groove forms the pushing portion.
[0013] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein the above-mentioned torsion spring unlocking rod includes a transverse mounting rod, a vertical connecting rod and a transverse locking rod, and a mounting seat for installing the transverse mounting rod is provided at the top of the linkage base, and a locking transverse hole is provided on the side wall of the linkage base for the transverse locking rod to pass through.
[0014] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein upper and lower guide slots are provided on the linkage base, and the ends of the headrest rods are pivotally connected in the upper and lower guide slots through pins.
[0015] In combination with the first aspect, the embodiment of the utility model provides a possible implementation of the first aspect, wherein the front and rear unlocking members include unlocking sliding teeth, a floating unlocking seat and a floating seat return spring;
[0016] The two ends of the unlocking sliding tooth are respectively fixedly arranged on the headrest front cover and the headrest rear cover, and the two ends of the front and rear sliding rods are respectively fixedly arranged on the headrest front cover and the headrest rear cover;
[0017] The unlocking sliding tooth passes through the linkage base and the floating unlocking seat, and the floating unlocking seat is provided with a blocking rod capable of cooperating with the unlocking sliding tooth, and the tooth surface of the unlocking sliding tooth is opposite to the blocking rod;
[0018] The linkage base is provided with a floating groove, and the floating unlocking seat is slidably installed in the floating groove;
[0019] The floating unlocking seat is provided with an inclined platform seat, and the trigger push rod is provided with an inclined platform protrusion adapted to the inclined platform seat, so that the floating unlocking seat can be driven to move downward when the trigger push rod is translated;
[0020] When the ramp protrusion triggers the ramp seat, the pusher can pull the torsion spring unlocking rod to synchronously unlock the upper and lower unlocking members and the front and rear unlocking members;
[0021] The floating seat return spring is arranged between the linkage base and the floating unlocking seat, and the compression direction of the floating seat return spring is consistent with the moving direction of the floating unlocking seat.
[0022] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein the above-mentioned floating groove includes a main groove body and a plurality of stabilizing grooves, a plurality of stabilizing claws are arranged around the floating unlocking seat, and the stabilizing claws are slidably arranged in the stabilizing grooves.
[0023] In combination with the first aspect, an embodiment of the utility model provides a possible implementation of the first aspect, wherein the above-mentioned linkage base is provided with an anti-drop slot hole located in the floating slot, and an anti-drop slide plate adapted to the anti-drop slot hole is provided on one side of the floating unlocking seat, and the anti-drop slide plate is L-shaped.
[0024] In a second aspect, an embodiment of the utility model provides a car, comprising the four-way adjustable seat headrest.
[0025] Beneficial effects:
[0026] The utility model provides a seat headrest adjustable in four directions, comprising a headrest rod, a headrest front cover, a headrest rear cover, a linkage adjustment component and a trigger member; the headrest front cover and the headrest rear cover are connected to each other and form an active cavity, the linkage adjustment component is arranged in the active cavity, and one end of the headrest rod is inserted in the active cavity; the linkage adjustment component comprises a linkage base, an upper and lower unlocking member and a front and rear unlocking member, the upper and lower unlocking member and the front and rear unlocking member are all installed on the linkage base, the linkage base is slidably arranged on the headrest rod, a front and rear sliding rod is arranged in the active cavity, and the linkage base is slidably arranged on the front and rear sliding rod; the trigger member comprises a trigger push rod and a trigger button, the trigger button is installed on the headrest rear cover, the trigger push rod is inserted in the trigger member, and the trigger push rod is provided with a trigger driving member for synchronously driving the upper and lower unlocking member and the front and rear unlocking member.
[0027] Specifically, when the user needs to adjust the seat headrest, the user presses and holds the trigger button on the back cover of the headrest, and the trigger button can push the trigger push rod to move. When the trigger push rod moves, the trigger driving part on the trigger push rod can simultaneously unlock the upper and lower unlocking parts and the front and rear unlocking parts, so that the user can operate the headrest so that the linkage base inside it can move up and down along the headrest rod, and at the same time, the linkage base can move forward and backward along the front and rear sliding rods, and the user can adjust the seat headrest in four directions of up, down, left and right at the same time.
[0028] The utility model provides a car, comprising a seat headrest that can be adjusted in four directions. Compared with the prior art, the car has the above advantages, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0030] Figure 1 A schematic diagram of a four-way adjustable seat headrest provided in an embodiment of the utility model;
[0031] Figure 2 A schematic diagram of the structure of a linkage adjustment assembly in a four-way adjustable seat headrest provided by an embodiment of the utility model;
[0032] Figure 3 A cross-sectional view of the front and rear unlocking members of the linkage adjustment assembly in the four-way adjustable seat headrest provided by the embodiment of the utility model;
[0033] Figure 4 A schematic diagram of the structure of a linkage base in a seat headrest that can be adjusted in four directions provided by an embodiment of the utility model;
[0034] Figure 5 A schematic diagram of the upper and lower unlocking members of a four-way adjustable seat headrest provided by an embodiment of the utility model;
[0035] Figure 6 A schematic diagram of the structure of a floating unlocking seat in a four-way adjustable seat headrest provided by an embodiment of the utility model;
[0036] Figure 7 An oblique view of a floating unlocking seat in a four-way adjustable seat headrest provided by an embodiment of the utility model;
[0037] Figure 8 An exploded schematic diagram of a trigger button in a four-way adjustable seat headrest provided by an embodiment of the utility model;
[0038] Fig. 9 A schematic diagram of an unlocking sliding tooth in a four-way adjustable seat headrest provided in an embodiment of the utility model.
[0039] icon:
[0040] 100 - headrest rod; 110 - locking groove; 120 - pin;
[0041] 210 - headrest front cover; 220 - headrest rear cover; 230 - activity cavity; 231 - front and rear slide bars;
[0042] 300- linkage adjustment assembly; 310- linkage base; 311- trigger guide slot; 312- mounting seat; 313- locking horizontal hole; 314- upper and lower guide slide slots; 315- floating slot; 3151- main slot body; 316- stable slot; 317- anti-drop slot hole; 320- upper and lower unlocking parts; 321- torsion spring unlocking rod; 3211- horizontal mounting rod; 3212- vertical connecting rod; 3213- horizontal locking rod; 330- front and rear unlocking parts; 331- unlocking sliding teeth; 332- floating unlocking seat; 333- floating seat return spring; 334- blocking rod; 335- inclined platform seat; 336- stable claw; 337- anti-drop slide plate;
[0043] 400 - trigger member; 410 - trigger push rod; 411 - push groove; 412 - ramp protrusion; 413 - push rod return spring; 420 - trigger button; 421 - button seat; 422 - button spring; 423 - button push rod cover. DETAILED DESCRIPTION
[0044] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0047] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0048] The present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0049] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the present embodiment provides a four-way adjustable seat headrest, including a headrest rod 100, a headrest front cover 210, a headrest rear cover 220, a linkage adjustment component 300 and a trigger 400; the headrest front cover 210 and the headrest rear cover 220 are connected to each other and form an active cavity 230, the linkage adjustment component 300 is arranged in the active cavity 230, and one end of the headrest rod 100 is inserted in the active cavity 230; the linkage adjustment component 300 includes a linkage base 310, an upper and lower unlocking member 320 and a front and rear unlocking member 330, and the upper and lower unlocking member 320 and the front and rear unlocking member 330 are connected to each other and form an active cavity 230. The parts 330 are all installed on the linkage base 310, the linkage base 310 is slidably set on the headrest rod 100, the front and rear slide bars 231 are set in the active cavity 230, and the linkage base 310 is slidably set on the front and rear slide bars 231; the trigger part 400 includes a trigger push rod 410 and a trigger button 420, the trigger button 420 is installed on the headrest back cover 220, the trigger push rod 410 is inserted in the trigger part 400, and the trigger push rod 410 is provided with a trigger driving part for synchronously driving the upper and lower unlocking parts 320 and the front and rear unlocking parts 330.
[0050] Specifically, when the user needs to adjust the seat headrest, the user presses the trigger button 420 on the headrest back cover 220, and the trigger button 420 can push the trigger push rod 410 to move. When the trigger push rod 410 moves, the trigger driving member on the trigger push rod 410 can simultaneously unlock the upper and lower unlocking members 320 and the front and rear unlocking members 330, so that the user can operate the headrest so that the internal linkage base 310 can move up and down along the headrest rod 100, and at the same time, the linkage base 310 can move forward and backward along the front and rear slide rods 231, and the user can adjust the seat headrest in four directions of up, down, left and right at the same time.
[0051] A push rod return spring 413 is provided between the trigger push rod 410 and the linkage base 310 .
[0052] The trigger driving member includes a ramp protrusion 412 and a pushing groove 411 .
[0053] See also Figure 1 - Fig. 9 As shown, in an optional solution of this embodiment, a trigger guide groove 311 is opened on the linkage base 310, and the trigger push rod 410 is slidably set in the trigger guide groove 311.
[0054] Specifically, a trigger guide groove 311 is opened on the linkage base 310 , and the trigger push rod 410 can be slidably set in the trigger guide groove 311 , so that when the user presses the trigger button 420 , the trigger button 420 can push the trigger push rod 410 to move in the trigger guide groove 311 .
[0055] Among them, the trigger button 420 includes a button seat 421, a button spring 422 and a button push rod cover 423. The button seat 421 is fixedly set on the headrest rear cover 220. One end of the button spring 422 abuts against the button seat 421, and the other end abuts against the button push rod cover 423. The button spring 422 is sleeved on the button push rod of the button push rod cover 423. When the user presses the button push rod cover 423, the button push rod of the button push rod cover 423 can pass through the button seat 421 and abut against the trigger push rod 410, so that the button push rod can push the trigger push rod 410 to move.
[0056] See also Figure 1 - Fig. 9 As shown, in an optional scheme of this embodiment, the upper and lower unlocking members 320 include a torsion spring unlocking rod 321, and one end of the headrest rod 100 is provided with multiple locking grooves 110 adapted to the torsion spring unlocking rod 321; the trigger push rod 410 has a pushing portion abutting against the torsion spring unlocking rod 321.
[0057] A pushing groove 411 is formed on the trigger push rod 410 , and the pushing groove 411 forms a pushing portion.
[0058] Specifically, the torsion spring unlocking rod 321 is installed on the linkage base 310, and in the initial state, the torsion spring unlocking rod 321 can be engaged with the locking groove 110 on the headrest rod 100, so that the headrest rod 100 cannot move relative to the linkage base 310. When the user pushes the trigger push rod 410 through the trigger button 420, the trigger push rod 410 can abut against the torsion spring unlocking rod 321 and drive the torsion spring unlocking rod 321 to separate from the locking groove 110 of the headrest rod 100, so that the headrest rod 100 can move relative to the linkage base 310.
[0059] A plurality of locking grooves 110 are formed on the headrest rod 100 , and the plurality of locking grooves 110 may be distributed at equal intervals.
[0060] See also Figure 1 - Fig. 9 As shown, in an optional scheme of this embodiment, the torsion spring unlocking rod 321 includes a transverse mounting rod 3211, a vertical connecting rod 3212 and a transverse locking rod 3213, and a mounting seat 312 for mounting the transverse mounting rod 3211 is provided on the top of the linkage base 310, and a locking transverse hole 313 is provided on the side wall of the linkage base 310 for the transverse locking rod 3213 to pass through.
[0061] Specifically, the torsion spring unlocking rod 321 includes three parts: a transverse mounting rod 3211, a vertical connecting rod 3212 and a transverse locking rod 3213. The transverse mounting rod 3211, the vertical connecting rod 3212 and the transverse locking rod 3213 are an integrated structure, and there is a certain torsional force between the transverse mounting rod 3211, the vertical connecting rod 3212 and the transverse locking rod 3213. Therefore, when the trigger push rod 410 does not push the transverse locking rod 3213 to move, the elastic potential energy between the transverse locking rod 3213 and the vertical connecting rod 3212 can keep the transverse locking rod 3213 and the locking groove 110 of the headrest rod 100 locked.
[0062] The pushing groove 411 on the trigger push rod 410 can drive the transverse locking rod 3213 to move, thereby unlocking the transverse locking rod 3213 and the locking groove 110 on the headrest rod 100 .
[0063] See also Figure 1 - Fig. 9 As shown, in an optional solution of this embodiment, an upper and lower guide slots 314 are provided on the linkage base 310 , and the ends of the headrest rod 100 are pivotally connected in the upper and lower guide slots 314 through the pin shaft 120 .
[0064] Specifically, the pin shaft 120 can slide in the upper and lower guide slots 314 , thereby limiting the sliding adjustment range of the headrest rod 100 .
[0065] See also Figure 1 - Fig. 9As shown, in the optional scheme of this embodiment, the front and rear unlocking members 330 include an unlocking sliding tooth 331, a floating unlocking seat 332 and a floating seat return spring 333; the two ends of the unlocking sliding tooth 331 are respectively fixedly arranged on the headrest front cover 210 and the headrest rear cover 220, and the two ends of the front and rear sliding rods 231 are respectively fixedly arranged on the headrest front cover 210 and the headrest rear cover 220; the unlocking sliding tooth 331 passes through the linkage base 310 and the floating unlocking seat 332, and the floating unlocking seat 332 is provided with a stopper 334 that can cooperate with the unlocking sliding tooth 331, and the tooth surface of the unlocking sliding tooth 331 is opposite to the stopper 334; the linkage base 310 is provided with a floating groove 315, and the floating unlocking seat 332 is slidably installed in the floating groove 315; a ramp seat 335 is arranged on the floating unlocking seat 332, and a ramp protrusion 412 adapted to the ramp seat 335 is arranged on the trigger push rod 410, so that the floating unlocking seat 332 can be driven to move downward when the trigger push rod 410 translates; when the ramp protrusion 412 triggers the ramp seat 335, the pushing part can pull the torsion spring unlocking rod 321, so that the upper and lower unlocking parts 320 and the front and rear unlocking parts 330 are unlocked synchronously; the floating seat reset spring 333 is arranged between the linkage base 310 and the floating unlocking seat 332, and the compression direction of the floating seat reset spring 333 is consistent with the moving direction of the floating unlocking seat 332.
[0066] Specifically, when the user presses the trigger button 420 to push the trigger push rod 410, the ramp protrusion 412 on the trigger push rod 410 can abut against the ramp seat 335 on the floating unlocking seat 332, and the trigger push rod 410 slides in the trigger guide groove 311 and cannot move up and down, so that the ramp protrusion 412 drives the ramp seat 335 to move up and down. In the scheme of this embodiment, the ramp seat 335 moves downward, so that the floating unlocking seat 332 moves downward with the ramp seat 335, and the blocking rod 334 on the floating unlocking seat 332 moves downward synchronously, so that the blocking rod 334 is disengaged from the unlocking sliding tooth 331. At this time, the user can move the linkage base 310 forward and backward. When the user releases the trigger button 420, the blocking rod 334 will rise and lock with the unlocking sliding tooth 331.
[0067] Among them, the floating seat reset spring 333 is arranged between the linkage base 310 and the floating unlocking seat 332. When the floating unlocking seat 332 moves downward relative to the linkage base 310, the floating unlocking seat 332 will compress the floating seat reset spring 333. Therefore, when the user releases the trigger button 420, the floating seat reset spring 333 can drive the floating unlocking seat 332 to rise, thereby locking the blocking rod 334 with the unlocking sliding tooth 331.
[0068] Among them, the linkage base 310 is provided with an anti-drop slot hole 317 in the floating slot 315, and one side of the floating unlocking seat 332 is provided with an anti-drop slide plate 337 adapted to the anti-drop slot hole 317, and the anti-drop slide plate 337 is L-shaped.
[0069] See also Figure 1 - Fig. 9 As shown, in an optional solution of this embodiment, the floating slot 315 includes a main slot body 3151 and a plurality of stabilizing slots 316 , and a plurality of stabilizing claws 336 are arranged around the floating unlocking seat 332 , and the stabilizing claws 336 are slidably arranged in the stabilizing slots 316 .
[0070] Specifically, the floating groove 315 includes a main groove body 3151 and a plurality of stabilizing grooves 316. A plurality of stabilizing claws 336 are arranged around the floating unlocking seat 332. The floating unlocking seat 332 is slidably arranged in the main groove body 3151. The plurality of stabilizing claws 336 are slidably arranged in the stabilizing groove 316, thereby ensuring that the floating unlocking seat 332 can slide up and down stably, and ensuring that the blocking rod 334 and the unlocking sliding tooth 331 are stably separated and locked.
[0071] This embodiment provides a car, including a seat headrest that can be adjusted in four directions.
[0072] Specifically, the automobile provided in this embodiment has the advantage of the above-mentioned four-way adjustable seat headrest compared with the prior art, which will not be described in detail here.
[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A four-way adjustable seat headrest, characterized in that: include: A headrest rod (100), a headrest front cover (210), a headrest rear cover (220), a linkage adjustment component (300) and a trigger member (400); The headrest front cover (210) and the headrest rear cover (220) are connected to each other to form an active cavity (230), the linkage adjustment component (300) is arranged in the active cavity (230), and one end of the headrest rod (100) is inserted into the active cavity (230); The linkage adjustment component (300) comprises a linkage base (310), an upper and lower unlocking member (320) and a front and rear unlocking member (330), wherein the upper and lower unlocking member (320) and the front and rear unlocking member (330) are both mounted on the linkage base (310), the linkage base (310) is slidably arranged on the headrest rod (100), a front and rear sliding rod (231) is arranged in the movable cavity (230), and the linkage base (310) is slidably arranged on the front and rear sliding rod (231); The trigger member (400) comprises a trigger push rod (410) and a trigger button (420), wherein the trigger button (420) is mounted on the headrest rear cover (220), the trigger push rod (410) is inserted into the trigger member (400), and the trigger push rod (410) is provided with a trigger driving member for synchronously driving the upper and lower unlocking members (320) and the front and rear unlocking members (330).
2. The four-way adjustable seat headrest according to claim 1, characterized in that: The linkage base (310) is provided with a trigger guide groove (311), and the trigger push rod (410) is slidably disposed in the trigger guide groove (311).
3. The four-way adjustable seat headrest according to claim 1, characterized in that: The upper and lower unlocking members (320) include a torsion spring unlocking rod (321), and one end of the headrest rod (100) is provided with a plurality of locking grooves (110) adapted to the torsion spring unlocking rod (321); The trigger push rod (410) has a pushing portion that abuts against the torsion spring unlocking rod (321).
4. The four-way adjustable seat headrest according to claim 3, characterized in that: The trigger push rod (410) is provided with a pushing groove (411), and the pushing groove (411) forms the pushing portion.
5. The four-way adjustable seat headrest according to claim 3, characterized in that: The torsion spring unlocking rod (321) comprises a transverse mounting rod (3211), a vertical connecting rod (3212) and a transverse locking rod (3213); a mounting seat (312) for mounting the transverse mounting rod (3211) is arranged on the top of the linkage base (310); and a locking transverse hole (313) for the transverse locking rod (3213) to pass through is provided on the side wall of the linkage base (310).
6. The four-way adjustable seat headrest according to claim 3, characterized in that: The linkage base (310) is provided with upper and lower guide slots (314), and the ends of the headrest rod (100) are pivotally connected in the upper and lower guide slots (314) via a pin shaft (120).
7. The four-way adjustable seat headrest according to claim 3, characterized in that: The front and rear unlocking members (330) include unlocking sliding teeth (331), a floating unlocking seat (332) and a floating seat return spring (333); The two ends of the unlocking sliding tooth (331) are respectively fixedly arranged on the headrest front cover (210) and the headrest rear cover (220), and the two ends of the front and rear sliding rods (231) are respectively fixedly arranged on the headrest front cover (210) and the headrest rear cover (220); The unlocking sliding tooth (331) passes through the linkage base (310) and the floating unlocking seat (332); a blocking rod (334) capable of cooperating with the unlocking sliding tooth (331) is provided on the floating unlocking seat (332); and a tooth surface of the unlocking sliding tooth (331) is opposite to the blocking rod (334); The linkage base (310) is provided with a floating groove (315), and the floating unlocking seat (332) is slidably installed in the floating groove (315); The floating unlocking seat (332) is provided with an inclined platform seat (335), and the trigger push rod (410) is provided with an inclined platform protrusion (412) adapted to the inclined platform seat (335), so that the trigger push rod (410) can drive the floating unlocking seat (332) to move downward when the trigger push rod (410) moves in translation; When the ramp protrusion (412) triggers the ramp seat (335), the push portion can pull the torsion spring unlocking rod (321) so that the upper and lower unlocking members (320) and the front and rear unlocking members (330) are unlocked synchronously; The floating seat return spring (333) is arranged between the linkage base (310) and the floating unlocking seat (332), and the compression direction of the floating seat return spring (333) is consistent with the movement direction of the floating unlocking seat (332).
8. The four-way adjustable seat headrest according to claim 7, characterized in that: The floating groove (315) comprises a main groove body (3151) and a plurality of stabilizing grooves (316); a plurality of stabilizing claws (336) are arranged around the floating unlocking seat (332); and the stabilizing claws (336) are slidably arranged in the stabilizing grooves (316).
9. The four-way adjustable seat headrest according to claim 8, characterized in that: The linkage base (310) is provided with an anti-drop slot hole (317) in the floating slot (315), and one side of the floating unlocking seat (332) is provided with an anti-drop slide plate (337) adapted to the anti-drop slot hole (317), and the anti-drop slide plate (337) is L-shaped.
10. An automobile, characterized in that: The invention comprises the four-way adjustable seat headrest as claimed in any one of claims 1 to 9.