CN112319329B - Seat headrest adjusting mechanism and adjusting method thereof - Google Patents
Seat headrest adjusting mechanism and adjusting method thereof Download PDFInfo
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- CN112319329B CN112319329B CN202011295199.7A CN202011295199A CN112319329B CN 112319329 B CN112319329 B CN 112319329B CN 202011295199 A CN202011295199 A CN 202011295199A CN 112319329 B CN112319329 B CN 112319329B
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- adjusting
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- headrest
- seat
- clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors
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- Aviation & Aerospace Engineering (AREA)
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- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to a seat headrest adjusting mechanism and an adjusting method thereof, wherein the seat headrest adjusting mechanism comprises: the clamping grooves are arranged at the side part of the adjusting rod at intervals; the adjusting piece is arranged on the mounting seat in a position-adjustable manner and corresponds to the adjusting rod, and a clamping block clamped in the clamping groove is formed on the adjusting piece; the unlocking piece is rotatably arranged in the mounting seat and is in driving connection with the adjusting piece, one side of the unlocking piece is fixedly connected with one end of the rope, and the other end of the rope extends out of the mounting seat; the rope is pulled to drive the unlocking piece to rotate, so that the adjusting piece is driven to move, the clamping block is separated from the clamping groove, the constraint on the adjusting rod is removed, and the adjusting rod is completely fallen under the action of self gravity. The invention effectively solves the problem that the seat headrest is difficult to fall completely, optimizes the adjusting mechanism of the seat headrest, ensures that the seat headrest can fall completely, has simple and convenient operation, improves the use feeling of users, and has simple structure and easy realization.
Description
Technical Field
The invention relates to the field of automobile seats, in particular to a seat headrest adjusting mechanism and an adjusting method thereof.
Background
When the backrest of the rear seat needs to be turned forwards, the headrest of the rear seat is longer in extension length and can be abutted against the backrest or the headrest of the front seat in the turning process, so that the problem of interference between the headrest of the rear seat and the front seat occurs, and the problem of interference is usually avoided by completely dropping or entirely pulling out the headrest of the rear seat before the backrest is turned.
In the practical application process, when the whole pulling-out mode is adopted, the length of the adjusting rod of some headrests is longer (about 226mm), the whole pulling-out mode is inconvenient, the subsequent reinsertion is difficult, and the use feeling is poor; in the full-down mode, it is generally necessary to press a button to allow the headrest to fall, such button is generally disposed at a position of the backrest close to the headrest adjusting lever, the user's hand may be caught between the headrest and the backrest during the falling of the headrest, and the headrest cannot fall down to the lowest position because a certain manipulation space is required for the user to manipulate the button.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a seat headrest adjusting mechanism and an adjusting method thereof, solves the problem that the seat headrest is difficult to fall completely, optimizes the seat headrest adjusting mechanism, enables the seat headrest to fall completely, is simple and convenient to operate, improves the use feeling of a user, and is simple in structure and easy to realize.
The technical scheme for realizing the purpose is as follows:
the invention provides a seat headrest adjusting mechanism, wherein a seat back of a seat is fixedly provided with a mounting seat, an adjusting rod of a headrest is inserted in the mounting seat and can move up and down along the mounting seat, and the adjusting mechanism comprises:
the clamping grooves are arranged at the side part of the adjusting rod at intervals;
the adjusting piece is arranged on the mounting seat in a position-adjustable manner and corresponds to the adjusting rod, and a clamping block clamped in the clamping groove is formed on the adjusting piece; and
the unlocking piece is rotatably arranged in the mounting seat and is in driving connection with the adjusting piece, one side of the unlocking piece is fixedly connected with one end of the rope, and the other end of the rope extends out of the mounting seat;
the rope is pulled to drive the unlocking piece to rotate, so that the adjusting piece is driven to move, the clamping block is separated from the clamping groove, the constraint on the adjusting rod is removed, and the adjusting rod is completely fallen under the action of self gravity.
The invention adopts the seat headrest adjusting mechanism, the unlocking piece can be driven to rotate by pulling the rope, the adjusting piece is driven to move, the clamping block is separated from the clamping groove, and the restriction on the adjusting rod is released, so that the adjusting rod falls under the action of self gravity, namely, a user only needs to pull the rope, the operation is very simple, in the falling process of the headrest, the hand of the user cannot be clamped between the headrest and the top of the chair back, the headrest can completely fall down, the problem that the seat headrest is difficult to completely fall down is solved, the adjusting mechanism of the seat headrest is optimized, the headrest can completely fall down, the operation is simple and convenient, the use feeling of the user is improved, and the seat headrest adjusting mechanism is simple in structure and easy to realize.
The seat headrest adjusting mechanism is further improved in that an adjusting hole is formed in the position, close to the clamping block, of the adjusting piece;
the unlocking piece comprises a rotating block rotatably arranged in the mounting seat and a driving block which is rotatably connected to one side of the rotating block corresponding to the rope and penetrates through the adjusting hole;
the rope is pulled to drive the rotating block to rotate and drive the driving block to move downwards, so that the driving block pushes the adjusting piece and drives the clamping block to move towards the direction far away from the adjusting rod, and the clamping block is separated from the clamping groove.
The seat headrest adjusting mechanism is further improved in that the top of the driving block extends in the direction away from the clamping block and forms an extending part, the extending part is provided with an inclined surface which inclines upwards, and the inclined surface pushes against the adjusting part and drives the clamping block to move in the direction away from the adjusting rod by the downward movement of the driving block.
The seat headrest adjusting mechanism is further improved in that when the rotating block is located at the initial position, a protruding part clamped in the clamping groove is formed at the position, close to the adjusting rod, of the rotating block;
the rope is pulled to drive the rotating block to rotate, so that the protruding portion is separated from the clamping groove, and the constraint on the adjusting rod is relieved.
The seat headrest adjusting mechanism is further improved in that the seat headrest adjusting mechanism further comprises a fixing shaft which is fixed in the mounting seat and the axis of the fixing shaft is perpendicular to the seat back, and the rotating block is sleeved on the fixing shaft, so that the rotating block can rotate around the fixing shaft back and forth.
The seat headrest adjusting mechanism is further improved in that the seat headrest adjusting mechanism further comprises a torsion spring which is sleeved on the fixed shaft, one end of the torsion spring is fixedly connected with the mounting seat, and the rotating block is sleeved on the torsion spring and is fixedly connected with the other end of the torsion spring;
after the rope is loosened, the torsion spring drives the rotating block to rotate reversely so as to drive the driving block to move upwards, the adjusting piece is enabled to return to the original position, and the clamping block is clamped into the corresponding clamping groove.
The seat headrest adjusting mechanism is further improved in that the seat headrest adjusting mechanism further comprises a limiting rod which is fixedly arranged in the mounting seat corresponding to the rotating block and is parallel to the fixed shaft;
the rotating block is provided with a limiting hole corresponding to the limiting rod, the limiting hole is arc-shaped and extends along the rotating direction of the rotating block, and the limiting rod penetrates through the limiting hole;
the rotating block stops rotating by rotating until the corresponding end part of the limiting hole abuts against the limiting rod, so that the rotating angle of the rotating block is limited.
The seat headrest adjusting mechanism is further improved in that the adjusting piece comprises a sliding block and a through hole, the sliding block is arranged at the top of the mounting seat in a position-adjustable mode, the through hole is formed in the sliding block, the adjusting rod penetrates through the sliding block through the through hole, a clamping block is fixedly arranged on the inner wall of one side, corresponding to the clamping groove, of the through hole, and a set distance is reserved between the inner wall of the other side of the through hole and the adjusting rod;
the sliding block moves back and forth along the adjusting rod through the set distance, so that the clamping block is driven to be separated from or clamped into the clamping groove.
The seat headrest adjusting mechanism is further improved in that one end of the rope is fixedly connected to the bottom of the unlocking piece, and the other end of the rope stretches and retracts in a direction away from the headrest.
The invention also provides an adjusting method of the seat headrest adjusting mechanism, which comprises the following steps:
the rope is pulled to drive the unlocking piece to rotate, so that the adjusting piece is driven to move, the clamping block is separated from the clamping groove, the constraint on the adjusting rod is removed, and the adjusting rod is completely fallen under the action of self gravity.
Drawings
Fig. 1 is a schematic structural view of a seat headrest adjusting mechanism of the invention at an initial position.
Fig. 2 is a schematic structural view of the seat headrest adjusting mechanism in the unlocked state.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view showing a structure in which a headrest is completely dropped in the headrest adjusting mechanism of the seat of the present invention.
Fig. 5 is a schematic structural view of a mounting seat and a rotating block portion in the seat headrest adjusting mechanism of the invention.
Fig. 6 is a perspective view of a mounting seat portion of the seat headrest adjusting mechanism of the present invention.
Fig. 7 is an exploded view of an unlocking member, a mounting seat and an adjusting member of the headrest adjusting mechanism for a seat of the present invention.
Fig. 8 is an enlarged perspective view of the adjuster and drive block portion of the seat headrest adjusting mechanism of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
According to the seat headrest adjusting mechanism and the adjusting method thereof, the unlocking piece can be driven to rotate by pulling the rope, the adjusting piece is driven to move, the clamping block is separated from the clamping groove, and the restriction on the adjusting rod is removed, so that the adjusting rod falls under the action of self gravity, namely a user only needs to pull the rope, the operation is very simple, in the falling process of the headrest, the hand of the user cannot be clamped between the headrest and the top of the seat back, the headrest can completely fall down, the problem that the seat headrest is difficult to completely fall down is solved, the adjusting mechanism of the seat headrest is optimized, the headrest can completely fall down, the operation is simple and convenient, the use feeling of the user is improved, the structure is simple, and the realization is easy. The seat headrest adjusting mechanism of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural view of a headrest adjusting mechanism of a seat according to the present invention at an initial position. The seat headrest adjusting mechanism of the present invention will be explained with reference to fig. 1.
As shown in fig. 1, 2 and 4, in the headrest adjusting mechanism for a seat according to the present invention, a mounting seat 15 is fixedly disposed on a seat back of the seat, an adjusting lever 11 of the headrest is inserted into the mounting seat 15 and can move up and down along the mounting seat 15, the mounting seat 15 is hollow, and the adjusting mechanism includes:
a plurality of slots 111 spaced apart from each other and disposed at a side of the adjusting lever 11;
an adjusting member 12 which is mounted on the mounting seat 15 in a position-adjustable manner and is disposed corresponding to the adjusting rod 11, wherein the adjusting member 12 is formed with a clamping block 123 for being clamped in the clamping groove 111; and
an unlocking piece 13 which is rotatably arranged in the mounting seat 15 and is in driving connection with the adjusting piece 12, one side of the unlocking piece 13 is fixedly connected with one end of a rope 14, and the other end of the rope 14 extends out of the mounting seat 15;
the rope 14 is pulled to drive the unlocking piece 13 to rotate, so that the adjusting piece 12 is driven to move, the clamping block 123 is separated from the clamping groove 111, the restriction on the adjusting rod 11 is removed, and the adjusting rod 11 is completely fallen under the action of self gravity.
Preferably, one end of the cable 14 is fixedly attached to the bottom of the unlocking member and the other end of the cable 14 extends away from the headrest.
Specifically, as shown in fig. 8, the adjusting member 12 includes a sliding block 121 installed at the top of the mounting seat 15 in a position-adjustable manner, and a through hole 122 formed in the sliding block 121, the adjusting rod 11 penetrates through the sliding block 121 through the through hole 122, an inner wall of one side of the through hole 122 corresponding to the clamping groove 111 is attached to a side portion corresponding to the adjusting rod 11 and is fixedly provided with a clamping block 123, and a set distance is formed between an inner wall of the other side of the through hole 122 and the adjusting rod 11;
this slider 121 is through setting for the distance in order to realize following regulation pole 11 round trip movement, thereby drive fixture block 123 and deviate from or block in the draw-in groove 111, promptly through promoting slider 121, make one side inner wall that through-hole 122 kept away from draw-in groove 111 laminate in adjusting pole 11, and this through-hole 122 sets firmly one side inner wall that has fixture block 123 and adjusts and form between the pole 11 and set for the distance, thereby fixture block 123 deviates from in draw-in groove 111, the user both can use and take the mode that draws rope 14 to make the headrest reach the state that falls completely once, also can realize the height of narrow range adjustment headrest through pressing to push away regulating part 12 when using at ordinary times.
Preferably, the adjusting member 12 further includes a button 1211 formed on a side of the slider 121 away from the unlocking member 13 and protruding outward from the backrest, so that the user can conveniently press the adjusting member 12 to adjust the height of the headrest.
Preferably, the top of the mounting seat 15 is provided with a sliding rail corresponding to the sliding block 121, so that the sliding block 121 is slidably disposed in the sliding rail, and a spring is further disposed between the button 1211 and the mounting seat 15, so that the sliding block 121 can return to the original position under the action of the restoring force of the spring after the user releases the button 1211.
As a preferred embodiment of the present invention, referring to fig. 8, an adjusting hole 124 is further formed at a position of the adjusting member 12 close to the latch 123;
the unlocking member 13 comprises a rotating block 131 rotatably mounted in the mounting seat 15 and a driving block 132 rotatably connected to one side of the rotating block 131 corresponding to the rope 14 and penetrating through the adjusting hole 124, one side of the driving block 132 far away from the clamping block 123 is attached to the edge corresponding to the adjusting hole 124, and the other side of the driving block 132 has a set gap with the edge corresponding to the adjusting hole 124;
the rotating block 131 is driven to rotate by pulling the rope 14, and the driving block 132 is driven to move downwards, so that the extending portion 1321 pushes against the corresponding edge of the adjusting hole 124, and drives the fixture block 123 to move towards the direction away from the adjusting rod 11, and the fixture block 123 is disengaged from the clamping groove 111.
Specifically, the top of the driving block 132 extends in a direction away from the latch 123 to form an extending portion 1321, the extending portion 1321 forms an inclined surface inclined upward, and the inclined surface pushes against the corresponding edge of the adjusting hole 124 and drives the latch 123 to move in a direction away from the adjusting rod 11 by moving the driving block 132 downward.
Preferably, the driving block 132 and the rotating block 131 are rotatably connected by a pin.
Further, as shown in fig. 2 and fig. 3, when the rotating block 132 is located at the initial position, a protrusion 1312 for being engaged with the engaging groove 111 is formed at a position of the rotating block 132 close to the adjusting lever 11;
the cable 14 is pulled to rotate the rotating block 131, so that the protrusion 1312 is disengaged from the locking groove 111, thereby releasing the restriction on the adjusting lever 11.
Further, as shown in fig. 6, the seat further includes a fixing shaft 151 fixed in the mounting seat 15 and having an axis perpendicular to the seat back, and the rotating block 131 is sleeved on the fixing shaft 151, so that the rotating block 131 can rotate around the fixing shaft 151 back and forth.
Specifically, as shown in fig. 7, the device further includes a torsion spring 1511 sleeved on the fixed shaft 151 and having one end fixedly connected to the mounting seat 15, and the rotating block 131 is sleeved on the torsion spring 1511 and fixedly connected to the other end of the torsion spring 1511;
after the rope is loosened, the torsion spring 1511 drives the rotating block 131 to rotate reversely to drive the driving block 132 to move upward, so that the adjusting member 12 returns to the original position, and the latch 123 is latched into the corresponding latch slot 111.
Further, as shown in fig. 5 and fig. 6, the device further includes a limiting rod 152, which is fixed in the mounting base 15 corresponding to the rotating block 131 and is parallel to the fixed shaft 151;
the rotating block 131 is provided with a limiting hole 1311 corresponding to the limiting rod 152, the limiting hole is arc-shaped and extends along the rotating direction of the rotating block, and the limiting rod 152 is arranged in the limiting hole 1311 in a penetrating manner;
by rotating the rotating block 131 until the corresponding end of the stopper hole 1311 abuts against the stopper rod 152, the rotating block 131 stops rotating, thereby limiting the rotation angle of the rotating block 131.
The specific embodiment of the invention is as follows:
when a user needs to turn the chair back forward, the rope 14 is pulled downwards until the end part of the limiting hole 1311 abuts against the limiting rod 152, so that the rotating block 131 is driven to rotate around the fixing shaft 151, the driving block 132 is driven to move downwards, and in the process that the driving block 132 moves downwards, the inclined surface of the extending part 1321 pushes against the corresponding edge of the adjusting hole 124, so that the sliding block 121 moves, the fixture block 123 is driven to move in the direction away from the clamping groove 111, the fixture block 123 is separated from the clamping groove 111, the protruding part 1311 of the rotating block 131 is also separated from the clamping groove, the restriction on the adjusting rod 11 is removed, and the headrest completely falls under the action of self gravity at the moment;
the rope 14 is loosened, under the action of the torsion spring 1511, the rotating block 131 reversely rotates until the corresponding end of the limiting hole 1311 abuts against the limiting rod 152, at this time, the boss 1311 of the rotating block 131 is clamped into the corresponding clamping groove 111 again, and the rotating block 131 drives the driving block 132 to move upwards, and in the process that the driving block 132 moves upwards, because a set gap is formed between one side of the driving block 132 and the adjusting hole 124, namely the size of the adjusting hole 124 is larger than that of the driving block 132, when the extending portion 1321 moves upwards, the adjusting piece 12 is gradually moved towards the initial position by being attached to the inclined surface of the extending portion 1321, so that the clamping block 123 is clamped into the clamping groove 111 again, the adjusting rod 11 is restrained, and the position of the headrest is fixed;
when a user needs to finely adjust the height of the headrest, the button 1211 can be pressed to push the slider 121 to move, so that the fixture block 123 is separated from the clamping groove 111 to release the restriction on the adjusting rod 11, after the adjusting rod 11 is moved up and down, the button 1211 is released, the adjusting piece 12 returns to the original position under the action of the resilience force of the spring, and the fixture block 123 is clamped in the clamping groove 111, so that the position of the adjusting rod 11 is fixed;
when the adjusting mechanism is used, the headrest can completely fall down only by pulling the rope 14 downwards, the operation is convenient, the use feeling is good, the height of the headrest finely adjusted by the adjusting piece 12 is not influenced, namely the headrest height can be finely adjusted by the adjusting mechanism, the headrest can also quickly fall down, and convenience is brought to users.
The invention also provides an adjusting method of the seat headrest adjusting mechanism, which comprises the following steps:
the rope 14 is pulled to drive the unlocking piece 13 to rotate, so that the adjusting piece 12 is driven to move, the clamping block 123 is separated from the clamping groove 111, the restriction on the adjusting rod 11 is removed, and the adjusting rod 11 is completely fallen under the action of self gravity.
The specific operation mode of the practical implementation of the adjusting method provided by the invention is as follows:
when a user needs to turn the chair back forward, the rope 14 is pulled downwards until the end part of the limiting hole 1311 abuts against the limiting rod 152, so that the rotating block 131 is driven to rotate around the fixing shaft 151, the driving block 132 is driven to move downwards, and in the process that the driving block 132 moves downwards, the inclined surface of the extending part 1321 pushes against the corresponding edge of the adjusting hole 124, so that the sliding block 121 moves, the fixture block 123 is driven to move in the direction away from the clamping groove 111, the fixture block 123 is separated from the clamping groove 111, the protruding part 1311 of the rotating block 131 is also separated from the clamping groove, the restriction on the adjusting rod 11 is removed, and the headrest completely falls under the action of self gravity at the moment;
the rope 14 is loosened, under the action of the torsion spring 1511, the rotating block 131 reversely rotates until the corresponding end of the limiting hole 1311 abuts against the limiting rod 152, at this time, the boss 1311 of the rotating block 131 is clamped into the corresponding clamping groove 111 again, and the rotating block 131 drives the driving block 132 to move upwards, and in the process that the driving block 132 moves upwards, because a set gap is formed between one side of the driving block 132 and the adjusting hole 124, namely the size of the adjusting hole 124 is larger than that of the driving block 132, when the extending portion 1321 moves upwards, the adjusting piece 12 is gradually moved towards the initial position by being attached to the inclined surface of the extending portion 1321, so that the clamping block 123 is clamped into the clamping groove 111 again, the adjusting rod 11 is restrained, and the position of the headrest is fixed;
when the user needs to fine adjust the height of the headrest, the button 1211 may be pressed to push the slider 121 to move, so that the latch 123 is disengaged from the slot 111 to release the restriction on the adjustment lever 11, and after the adjustment lever 11 is moved up and down, the button 1211 is released, the adjustment member 12 is restored to the original position by the resilient force of the spring, and the latch 123 is latched into the slot 111 to fix the position of the adjustment lever 11.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a seat headrest adjustment mechanism, the back of the chair of seat has set firmly the mount pad, and the regulation pole of headrest is inserted and is located the mount pad just can be followed the mount pad reciprocates, its characterized in that, adjustment mechanism includes:
the clamping grooves are arranged on the side part of the adjusting rod at intervals;
the adjusting piece is arranged on the mounting seat in a position-adjustable manner and corresponds to the adjusting rod, a clamping block clamped in the clamping groove is formed on the adjusting piece, and an adjusting hole is formed in the position, close to the clamping block, of the adjusting piece;
the unlocking piece is rotatably arranged in the mounting seat and is in driving connection with the adjusting piece, one side of the unlocking piece is fixedly connected with one end of the rope, and the other end of the rope extends out of the mounting seat;
the rotating block is rotatably arranged in the mounting seat, and when the rotating block is located at an initial position, a protruding part clamped in the clamping groove is formed at the position, close to the adjusting rod, of the rotating block; and
the driving block is rotatably connected to one side of the rotating block, corresponding to the rope, and penetrates through the adjusting hole;
the rope is pulled to drive the rotating block to rotate and drive the driving block to move downwards, so that the driving block pushes against the adjusting piece and drives the clamping block to move towards the direction far away from the adjusting rod, the clamping block is separated from the clamping groove, the protruding portion is separated from the clamping groove, the restriction on the adjusting rod is removed, and the adjusting rod is completely fallen under the action of self gravity.
2. The headrest adjusting mechanism according to claim 1, wherein the top of the driving block extends away from the locking block and forms an extension, the extension forms an inclined surface inclined upward, and the driving block moves downward to push the inclined surface against the adjusting member and drive the locking block to move away from the adjusting lever.
3. The headrest adjusting mechanism according to claim 1, further comprising a fixing shaft fixed in the mounting seat and having an axis perpendicular to the seat back, wherein the rotating block is sleeved on the fixing shaft, so that the rotating block can rotate around the fixing shaft.
4. The headrest adjusting mechanism for seats of claim 3, further comprising a torsion spring sleeved on the fixed shaft and having one end fixedly connected to the mounting seat, wherein the rotating block is sleeved on the torsion spring and fixedly connected to the other end of the torsion spring;
after the rope is loosened, the torsion spring drives the rotating block to rotate reversely so as to drive the driving block to move upwards, the adjusting piece is made to return to the original position, and the clamping block is clamped into the corresponding clamping groove.
5. The headrest adjusting mechanism according to claim 3, further comprising a stopper rod fixed in the mounting seat corresponding to the rotation block and parallel to the fixed shaft;
the rotating block is provided with a limiting hole corresponding to the limiting rod, the limiting hole is arc-shaped and extends along the rotating direction of the rotating block, and the limiting rod penetrates through the limiting hole;
the rotating block is rotated until the end part corresponding to the limiting hole abuts against the limiting rod, so that the rotating block stops rotating, and the rotating angle of the rotating block is limited.
6. The seat headrest adjusting mechanism according to claim 1, wherein the adjusting member includes a slider mounted on the top of the mounting seat in a position-adjustable manner and a through hole formed in the slider, the adjusting rod is inserted into the slider through the through hole, the through hole is fixedly provided with the clamping block on an inner wall of one side corresponding to the clamping groove, and a set distance is provided between an inner wall of the other side of the through hole and the adjusting rod;
the sliding block moves back and forth along the adjusting rod through the set distance, so that the clamping block is driven to be separated from or clamped into the clamping groove.
7. The seat headrest adjusting mechanism according to claim 1, wherein one end of the cable is fixedly connected to a bottom of the unlocking member and the other end of the cable extends in a direction away from the headrest.
8. A method of adjusting a seat headrest adjusting mechanism according to claim 1, comprising the steps of:
the rope is pulled to drive the rotating block to rotate and drive the driving block to move downwards, so that the driving block pushes against the adjusting piece and drives the clamping block to move towards the direction far away from the adjusting rod, the clamping block is separated from the clamping groove, the protruding portion is separated from the clamping groove, the restriction on the adjusting rod is removed, and the adjusting rod is completely fallen under the action of self gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295199.7A CN112319329B (en) | 2020-11-18 | 2020-11-18 | Seat headrest adjusting mechanism and adjusting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011295199.7A CN112319329B (en) | 2020-11-18 | 2020-11-18 | Seat headrest adjusting mechanism and adjusting method thereof |
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| Publication Number | Publication Date |
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| CN112319329A CN112319329A (en) | 2021-02-05 |
| CN112319329B true CN112319329B (en) | 2021-12-31 |
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| CN202011295199.7A Active CN112319329B (en) | 2020-11-18 | 2020-11-18 | Seat headrest adjusting mechanism and adjusting method thereof |
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| DE102012005652A1 (en) * | 2012-03-22 | 2013-09-26 | Grammer Ag | Vehicle equipment e.g. headrest has metal strips that are provided to transmit train and/or pressure forces between adjusting element and support element |
| FR3017570A1 (en) * | 2014-02-17 | 2015-08-21 | Peugeot Citroen Automobiles Sa | DEVICE FOR ADJUSTING THE HEIGHT OF A HEADREST FOR A MOTOR VEHICLE SEAT |
| CN207345601U (en) * | 2017-09-08 | 2018-05-11 | 重庆延锋安道拓锋奥汽车部件系统有限公司 | With two to regulatory function push button chair headrest |
| CN208978692U (en) * | 2018-07-11 | 2019-06-14 | 重庆延锋安道拓汽车部件系统有限公司 | Facilitate the automotive seat for adjusting height of headrest |
| CN209008436U (en) * | 2018-09-29 | 2019-06-21 | 重庆延锋安道拓汽车部件系统有限公司 | Automobile headrest lockable mechanism and automotive seat |
| CN209573962U (en) * | 2018-11-29 | 2019-11-05 | 吉林省中凯宝创汽车技术有限公司 | A kind of Novel pillow lifting structure |
| CN109720255A (en) * | 2018-12-20 | 2019-05-07 | 延锋安道拓座椅有限公司 | One kind manually adjusting headrest |
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|---|---|
| CN112319329A (en) | 2021-02-05 |
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Address after: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Applicant after: Yanfeng international Seat System Co.,Ltd. Address before: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai, 200122 Applicant before: YANFENG ADIENT SEATING Co.,Ltd. |
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