阅读说明：本技术 一种汽车座椅用超薄头枕 (Ultrathin headrest for automobile seat ) 是由 金然 吴晓青 于 2021-11-11 设计创作，主要内容包括：本发明公开了一种汽车座椅用超薄头枕,包括头枕本体和座椅靠背,所述头枕本体位于所述座椅靠背的顶部设置有一组连接附件,所述头枕本体通过所述连接附件的可调节结构远离或靠近所述座椅靠背。本发明定位牢固,结构紧凑合理,操作方便快捷,结合超薄的连接附件,头枕厚度可以控制在40mm以内,且实现了头枕的前后调节,导向组件的设计保证了调节移动过程中的稳定性,符合座椅靠背、头枕一体化及轻薄化的发展理念,该发明市场应用前景广阔。(The invention discloses an ultrathin headrest for an automobile seat, which comprises a headrest body and a seat backrest, wherein a group of connecting accessories are arranged on the headrest body and positioned at the top of the seat backrest, and the headrest body is far away from or close to the seat backrest through an adjustable structure of the connecting accessories. The invention has firm positioning, compact and reasonable structure and convenient and quick operation, combines the ultrathin connecting accessories, can control the thickness of the headrest within 40mm, realizes the front and back adjustment of the headrest, ensures the stability in the adjusting and moving process by the design of the guide assembly, accords with the development concept of integration and lightness and thinness of the backrest and the headrest, and has wide market application prospect.)

1. The utility model provides an ultra-thin headrest for car seat which characterized in that: including headrest body (1) and seat back (2), headrest body (1) is located the top of seat back (2) is provided with a set of attachment (5), headrest body (1) passes through the adjustable structure of attachment (5) is kept away from or is close to seat back (2).

2. The ultra-thin headrest for car seats according to claim 1, characterized in that: the thickness of the headrest body (1) is set to be H, and the H is less than or equal to 40 mm.

3. The ultra-thin headrest for car seats according to claim 1, characterized in that: seat back (2) set up to ultra-thin structure, headrest body (1) passes through attach fitting (5) are connected on the top leading flank of seat back (2).

4. The ultra-thin headrest for car seats according to claim 1, characterized in that: the seat backrest (2) is of an existing thick structure, a U-shaped groove is reserved in the top of the seat backrest (2), and the headrest body (1) is connected to the U-shaped groove through the connecting accessory (5).

5. The ultra-thin headrest for car seats according to claim 3 or 5, characterized in that: the connecting accessory comprises an unlocking mechanism (501) and a locking mechanism (502) which are matched with each other, the unlocking mechanism (501) is located on one side of the headrest body (1), the locking mechanism (502) is located on one side of the seat back (2), the unlocking mechanism (501) and the locking mechanism (502) are assembled together through a connecting support plate (503), the connecting support plate (503) is installed on the seat back (2), and the connecting support plate (503) is located on one side of the seat back (2) and the headrest body (1) in a fit mode.

6. The ultra-thin headrest for car seats according to claim 5, characterized in that: the unlocking mechanism (501) comprises an unlocking synchronous rod (501-1), an unlocking push rod (501-2) and a return spring (501-3), one end of the unlocking synchronous rod (501-1) is connected in a second sliding guide sleeve (506) in a penetrating mode and can rotate around the axis of the second sliding guide sleeve (506), and the second sliding guide sleeve (506) is connected to the upper portion of the connecting support plate (503) and is close to the center; the unlocking synchronous rod (501-1) is horizontally arranged and installed on the headrest body (1), a rotating gear head (501-11) at the other end of the unlocking synchronous rod (501-1) is matched with a translation rack (501-21) at the top of the inner side of the unlocking push rod (501-2), and the outer side of the unlocking push rod (501-2) is connected with an unlocking button (501-4); the center hole of the reset spring (501-3) is sleeved on the headrest body (1), one working end of the reset spring (501-3) abuts against the clearance platform of the headrest body (1), and the other working end of the reset spring (501-3) abuts against the spring limiting piece (501-22); a square through groove (501-23) for clearance is arranged on the outer side of the unlocking push rod (501-2);

the locking mechanism (502) comprises a locking pin (502-1) and a locking gear block (502-3), the locking pin (502-1) is installed in an installation groove of the side end of the seat back (2) through a connecting screw (502-2), the locking gear block (502-3) is connected to a framework of the seat back (2), a plurality of gear grooves distributed at equal intervals are formed in the locking gear block (502-3), and the locking pin (502-1) is driven to be embedded into the gear grooves to be locked and positioned when moving horizontally along the second sliding guide sleeve (506) by the locking synchronization rod (501-1).

7. The ultra-thin headrest for car seats according to claim 6, characterized in that: the unlocking synchronizing rod (501-1) comprises an axle core (501-12) and an axle sleeve (501-13), the axle core (501-12) and the rotary gear head (501-11) are integrally formed, the axle sleeve (501-13) is sleeved on the axle core (501-12), one end of the axle sleeve (501-13) is connected to the headrest body (1) in a positioning mode, and the periphery of the axle sleeve (501-13) is matched with an inner hole of the second sliding guide sleeve (506).

8. The ultra-thin headrest for car seats according to claim 6, characterized in that: the connecting accessory (5) further comprises two groups of guide assemblies, each guide assembly comprises a first sliding guide sleeve (504) and a sliding guide rod (505), the first sliding guide sleeve (504) is connected with the connecting support plate (503) in a positioning mode, one end of each sliding guide rod (505) is connected to the headrest body (1), the other end of each sliding guide rod (505) is connected to the inner hole of the corresponding first sliding guide sleeve (504) in a penetrating mode, and the other end of each sliding guide rod moves horizontally in the axial direction of the corresponding first sliding guide sleeve (504) during moving.

9. The ultra-thin headrest for car seats according to claim 8, characterized in that: two groups of mutually matched first sliding guide sleeves (504) and sliding guide rods (505) are positioned at two sides of the bottom of the connecting support plate (503).

10. The ultra-thin headrest for car seats according to claim 8, characterized in that: the second sliding guide sleeves (506) are connected to the upper portion of the connecting support plate (503) and are close to the center, and one of the second sliding guide sleeves (506) and two of the first sliding guide sleeves (504) are arranged in a triangular mode.

Technical Field

The invention relates to the technical field of automobile seats, in particular to an ultrathin headrest for an automobile seat.

Background

At present, traditional car seat headrest on the market, as shown in fig. 1, headrest body 1 is more independent of the top of seat, peg graft in headrest guide pin bushing 4 in the back of the seat 2 and lock through two pull connecting rods 3 that can reciprocate, specific unblock and locking structure all set up on the back, perhaps unblock and locking structure all set up on the headrest, in order to hold the inside motion of headrest, the most thickness of headrest body all exceeds 100mm, the big weight of thickness is big, rarely has the ultra-thin headrest of thickness control within 40 mm.

An L-shaped ultra-thin automobile seat headrest of Chinese utility model, with patent number 201721823718.6 and patent authorization time of 09 and 14 days in 2018, relates to an automobile accessory, comprising headrest foam and a headrest rod, wherein the headrest foam is in an inverted L shape, the headrest rod comprises an installation headrest rod and a reinforced headrest rod, the installation headrest rod comprises an installation vertical rod and a reinforced horizontal rod, the reinforced horizontal rod and a part of the installation vertical rod are arranged in the horizontal section of the headrest foam, the installation vertical rod vertically extends downwards and extends out of the lower side of the headrest foam horizontal section, the reinforced headrest rod comprises a reinforced vertical rod and a reinforced horizontal rod, the reinforced vertical rod and the reinforced horizontal rod are both arranged in the headrest foam vertical section, the upper ends of the two sections of reinforced vertical rods are also provided with reinforced diagonal rods which are inclined upwards and extend at the joint of the horizontal section and the vertical section of the headrest foam, and the mounting headrest rod and the reinforced headrest rod are of an integral structure which is integrally formed with the headrest foam in a mold. Compared with the prior art, the thickness of the headrest is reduced, the headrest is still connected with a seat in a plug-in rod type manner, the up-down position can be adjusted, and the adjustment of the front position and the rear position is difficult to realize.

With the continuous development of new energy automobile industry, energy conservation and weight reduction become the development direction of the whole interior decoration industry and even the whole automobile. In recent years, as an important component of automotive interiors, seat designs have been gradually becoming thinner and lighter. How to develop an ultra-thin headrest for an automobile seat, which can be adjusted in the front-back direction, and the thickness of the headrest can be controlled within 40mm, becomes a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide an ultrathin headrest for an automobile seat, which realizes the integrated, light and thin design of a seat back and the headrest, realizes the front-back adjustment function of the ultrathin headrest and better adapts to the development of the market.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention discloses an ultrathin headrest for an automobile seat, which comprises a headrest body and a seat backrest, wherein a group of connecting accessories are arranged on the headrest body and positioned at the top of the seat backrest, and the headrest body is far away from or close to the seat backrest through an adjustable structure of the connecting accessories.

Preferably, the thickness of the headrest body is set to be H, and H is less than or equal to 40 mm.

Preferably, the seat back is of an ultra-thin structure, and the headrest body is connected to the front side of the top of the seat back through the connecting accessory.

Preferably, the seat back adopts for current thick structure, a U font recess is reserved at the top of seat back, the headrest body passes through connecting fittings connects in U font recess.

Preferably, the connecting accessory comprises an unlocking mechanism and a locking mechanism which are matched with each other, the unlocking mechanism is located on one side of the headrest body, the locking mechanism is located on one side of the seat backrest, the unlocking mechanism and the locking mechanism are assembled together through a connecting support plate, the connecting support plate is installed on the seat backrest, and the connecting support plate is located on one side of the seat backrest and the headrest body.

Preferably, the unlocking mechanism comprises an unlocking synchronous rod, an unlocking push rod and a return spring, one end of the unlocking synchronous rod is connected in the second sliding guide sleeve in a penetrating manner and can rotate around the axis of the second sliding guide sleeve, and the second sliding guide sleeve is connected to the upper part of the connecting support plate and is close to the center; the unlocking synchronous rod is horizontally arranged and installed on the headrest body, a rotating tooth head at the other end of the unlocking synchronous rod is matched with a translation rack at the top of the inner side of the unlocking push rod, and the outer side of the unlocking push rod is connected with an unlocking button; the center hole of the reset spring is sleeved on the headrest body, one working end of the reset spring abuts against the clearance platform of the headrest body, and the other working end of the reset spring abuts against the spring limiting piece; a square through groove for space avoidance is formed in the outer side of the unlocking push rod;

locking mechanism includes locking round pin and locking gear piece, the locking round pin passes through connecting screw to be installed the unblock synchronizing lever is located in the mounting groove of seat back side end, the locking gear piece is connected on the skeleton of seat back, be provided with a plurality of equidistant distribution's gear groove on the locking gear piece, the unblock synchronizing lever is followed drive during second slip guide pin bushing horizontal migration the locking round pin is embedded into carry out the locking location in the gear groove.

Preferably, the unblock synchronizing bar includes axle core and axle sleeve, the axle core with rotatory tooth head integrated into one piece, the axle sleeve suit is in the axle core, the one end fixed connection of axle sleeve is in the headrest body, the periphery of axle sleeve with the hole phase-match of second slip guide pin bushing.

Preferably, the connecting accessory further comprises two groups of guide assemblies, each guide assembly comprises a first sliding guide sleeve and a sliding guide rod, the first sliding guide sleeve is connected with the connecting support plate in a positioning mode, one end of each sliding guide rod is connected to the headrest body, the other end of each sliding guide rod is connected to the inner hole of the corresponding first sliding guide sleeve in a penetrating mode, and the other end of each sliding guide rod moves horizontally in the axial direction of the corresponding first sliding guide sleeve when moving.

Preferably, two sets of the first sliding guide sleeves and the sliding guide rods, which are matched with each other, are located at two sides of the bottom of the connecting support plate 503.

Preferably, the second sliding guide sleeve is connected to the upper portion of the connecting support plate and close to the center, and one of the second sliding guide sleeve and two of the first sliding guide sleeves are arranged in a triangular shape.

Compared with the prior art, the invention has the beneficial technical effects that:

the invention relates to an ultrathin headrest for an automobile seat, which comprises a headrest body and a seat backrest, wherein the headrest body is far away from or close to the seat backrest through an adjustable structure of a connecting accessory, and the thickness H of the headrest body is less than or equal to 40 mm; the invention realizes the installation and connection of the ultrathin headrest and realizes the front and back position adjustment of the headrest through the design of the connecting accessories. The headrest adjusting mechanism is firm in positioning, compact and reasonable in structure and convenient and quick to operate, the thickness of the headrest can be controlled within 40mm by combining the ultrathin connecting accessories, the front and back adjustment of the headrest is realized, the stability in the adjusting and moving process is ensured by the design of the guide assembly, and the development concept of integration and lightness and thinness of the seat back and the headrest is met. The invention has wide market application prospect.

Drawings

The invention is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic view of a drawing headrest according to the prior art;

FIG. 2 is a schematic view of an ultra-thin headrest for an automobile seat according to the present invention;

FIG. 3 is a perspective view of the connection position of the ultra-thin headrest for car seats according to the present invention;

FIG. 4 is a front view of the release mechanism of the present invention;

FIG. 5 is a perspective view of the unlocking mechanism of the present invention;

FIG. 6 is a perspective view of the locking mechanism of the present invention;

FIG. 7 is an assembled view of the unlocking synchronizing bar of the present invention;

FIG. 8 is an exploded view of the unlocking synchronizing bar of the present invention;

FIG. 9 is an exploded view of the unlock button of the present invention;

description of reference numerals: 1. a headrest body; 2. a seat back; 3. drawing and pulling the connecting rod; 4. a headrest guide sleeve; 5. connecting accessories; 501. an unlocking mechanism; 502. a locking mechanism; 503. connecting the supporting plate; 504. a first sliding guide sleeve; 505. a sliding guide bar; 506. a second sliding guide sleeve;

501-1, unlocking a synchronous rod; 501-2, unlocking the push rod; 501-3; a return spring; 501-4, an unlocking button;

501-11, rotating the gear head; 501-12, an axis core; 501-13, shaft sleeve;

501-21, a translation rack; 501-22, a spring limit piece; 501-23, square through grooves;

501-41, a button shell; 501-42, button body; 501-43, a return spring;

502-1, a locking pin; 502-2, connecting screws; 502-3, a locking gear block.

Detailed Description

As shown in fig. 2 to 8, the ultrathin headrest for the automobile seat comprises a headrest body 1 and a seat back 2, wherein a group of connecting accessories 5 are arranged on the headrest body 1 at the top of the seat back 2, and the headrest body 1 is far away from or close to the seat back 2 through an adjustable structure of the connecting accessories 5. Specifically, the thickness of the headrest body 1 is set to be H, and the H is less than or equal to 40 mm.

In one embodiment, the seat back 2 is configured as a slim structure, and the headrest body 1 is attached to the top front side of the seat back 2 through the attachment 5.

According to another embodiment, the seat back 2 is of an existing thick structure, a U-shaped groove is reserved in the top of the seat back 2, and the headrest body 1 is connected to the U-shaped groove through the connecting accessory 5.

As shown in fig. 3 to 8, the attachment includes an unlocking mechanism 501 and a locking mechanism 502 that are engaged with each other, the unlocking mechanism 501 is located on the headrest body 1 side, the locking mechanism 502 is located on the seat back 2 side, the unlocking mechanism 501 and the locking mechanism 502 are assembled together by a connection support plate 503, the connection support plate 503 is mounted on the seat back 2, and the connection support plate 503 is located on the side where the seat back 2 is attached to the headrest body 1.

Specifically, as shown in fig. 4 and 5, the unlocking mechanism 501 includes an unlocking synchronization rod 501-1, an unlocking push rod 501-2 and a return spring 501-3, one end of the unlocking synchronization rod 501-1 is connected in the second sliding guide sleeve 506 in a penetrating manner and can rotate around the axis of the second sliding guide sleeve 506, and the second sliding guide sleeve 506 is connected to the upper portion of the connecting support plate 503 and is close to the center; the unlocking synchronous rod 501-1 is horizontally arranged and installed on the headrest body 1, a rotary tooth head 501-11 at the other end of the unlocking synchronous rod 501-1 is matched with a translation rack 501-21 at the top of the inner side of the unlocking push rod 501-2, teeth of the rotary tooth head 501-11 are meshed with teeth on the translation rack 501-21, and the outer side of the unlocking push rod 501-2 is connected with an unlocking button 501-4; the center hole of the return spring 501-3 is sleeved on the headrest body 1, one working end of the return spring 501-3 abuts against the clearance platform of the headrest body 1, and the other working end of the return spring 501-3 abuts against the spring limiting piece 501-22; the outer side of the unlocking push rod 501-2 is provided with a square through groove 501-23 for avoiding space, and the square through groove 501-23 is mainly formed for avoiding the installation of other parts at corresponding positions. The specific return spring 501-3 is a torsion spring, and is convenient and quick to install.

As shown in fig. 6 to 8, the locking mechanism 502 includes a locking pin 502-1 and a locking gear block 502-3, the locking pin 502-1 is installed in an installation groove of the unlocking synchronization rod 501-1 at the end of the seat back 2 side through a connection screw 502-2, the locking gear block 502-3 is welded or locked and connected to the frame of the seat back 2 through a bolt assembly, the locking gear block 502-3 is provided with a plurality of gear grooves distributed at equal intervals, and the unlocking synchronization rod 501-1 drives the locking pin 502-1 to be embedded into the gear grooves for locking and positioning when moving horizontally along the second sliding guide sleeve 506. Specifically, the locking gear block 502-3 cooperates with the locking pin 502-1 to form gear position limitation when the headrest moves back and forth at different distances.

As shown in fig. 7 and 8, the unlocking synchronization rod 501-1 includes a shaft core 501-12 and a shaft sleeve 501-13, the shaft core 501-12 and the rotary gear head 501-11 are integrally formed, the shaft sleeve 501-13 is sleeved on the shaft core 501-12, one end of the shaft sleeve 501-13 is riveted to the headrest body 1, the periphery of the shaft sleeve 501-13 is matched with an inner hole of the second sliding guide sleeve 506, and the shaft sleeve 501-13 moves along with the headrest body 1 during adjustment operation and the second sliding guide sleeve 506 plays a role in positioning and guiding the shaft sleeve 501-13 during movement.

Specifically, as shown in fig. 9, the unlocking button 501-4 includes a button housing 501-41, a button body 501-42 and a return spring 501-43, the button housing 501-41 is clamped and fixed in a reserved mounting groove of the headrest body 1, the button body 501-42 is movably mounted in a central groove of the button housing 501-41, a central column of the button body 501-42 penetrates through a central hole of the button housing 501-41 and then contacts with an outer end face of the unlocking push rod 501-2, the return spring 501-43 is sleeved on the central column of the button body 501-42, and two ends of the return spring 501-43 abut against the bottom face of the central groove of the button housing 501-41 and an inner side face of a pressing end face of the button body 501-42. During the distance adjustment, the unlocking push rod 501-2 is driven to move inwards after the button body 501-42 is manually pressed, so that the unlocking synchronous rod 501-1 and the locking pin 502-1 are driven to rotate through the rotating gear head 501-11, and the headrest body 1 can be pulled to move horizontally after unlocking is achieved. The improvement through the structure has realized the independent setting of unblock button, compares with prior art, realizes the separation of unblock button and seat back, and the operation is convenient and fast more, and occupation space is little, and the structure is compacter.

As shown in fig. 3, 5, and 6, the connecting accessory 5 further includes two sets of guiding components, each guiding component includes a first sliding guide sleeve 504 and a sliding guide rod 505, the first sliding guide sleeve 504 is connected to the connecting support plate 503 in a positioning manner, one end of the sliding guide rod 505 is connected to the headrest body 1, specifically, the sliding guide rod 505 is made of metal, one end of the sliding guide rod 505 is connected to the headrest body 1 by riveting or screwing, and the other end of the sliding guide rod 505 is connected to an inner hole of the first sliding guide sleeve 504 in a penetrating manner, and moves horizontally along the axial direction of the first sliding guide sleeve 504 during movement. Specifically, two sets of the first sliding guide sleeve 504 and the sliding guide rod 505 that are matched with each other are located on two sides of the bottom of the connecting support plate 503. The stable balance of location is improved in the setting of direction subassembly, plays the effect of direction simultaneously when position around the slide adjusting, avoids taking place the card stagnation problem of slope to the effectual smooth and easy degree that has improved this subassembly and adjusted.

The second sliding guide sleeve 506 is connected to the upper portion of the connection support plate 503 and is close to the center, and one of the second sliding guide sleeve 506 and two of the first sliding guide sleeves 504 are arranged in a triangular shape. This triangle-shaped structure of arranging can effectually keep the stability of this structure, guarantees the smooth and easy nature in the front and back adjustment process. In addition, in other embodiments, the guide assemblies are arranged in one or more groups, for example, three or four groups, the unlocking mechanism 501 is arranged in at least one group, or two groups, the installation positions of the guide assemblies and the unlocking mechanism 501 are adjusted according to the structures of the headrest body 1 and the seat back 2, and the arrangement layout is limited to one type of triangle, or may be a quadrilateral or other shapes.

The headrest body 1 of the invention is adjusted as follows:

firstly, when the headrest body 1 and the seat back 2 are fitted, as shown in fig. 3, the locking pin 502-1 is installed in the installation groove at the end of the unlocking synchronization rod 501-1 and is located outside the locking gear block 502-3;

when the headrest body 1 needs to move forward to be away from the seat back 2, as shown in fig. 4, the button body 501-42 on the unlocking button 501-4 is firstly pressed, the unlocking push rod 501-2 is pushed inward, and at the moment, the return spring 501-3 is in a compressed state; because the teeth of the rotary tooth head 501-11 are meshed with the teeth on the translation rack 501-21, the shaft core 501-12 and the rotary tooth head 501-11 are integrally formed, and the rotary tooth head 501-11 drives the shaft core 501-12 to rotate clockwise, so that the locking pin 502-1 at the other end is driven to rotate clockwise, and the locking pin rotates 90 degrees to achieve an unlocking effect; then the headrest body 1 is moved forwards to a proper position, when the headrest body 1 stops moving, the button bodies 501-42 are released, the button bodies 501-42 reset under the action of the return springs 501-43, the pushing force of the button bodies on the unlocking push rod 501-2 is relieved, the rotating gear heads 501-11 are driven to rotate reversely by the translation racks 501-21, and therefore the unlocking synchronous rod 501-1 and the locking pin 502-1 are driven to rotate reversely and slide into the closest gear groove on the locking gear block 502-3, and the locking positioning function is achieved. When the locking pin 502-1 is fitted into any one of the shift grooves, the position of the locking pin 502-1 in the circumferential rotation direction is the same as that in the initial state, and the unlocking push rod 501-2 moves outward in the reverse direction to the initial position.

By repeating the above operation procedure, the headrest body 1 can be horizontally moved, thereby achieving adjustment away from or close to the seat back 2. The realization of this regulatory function can satisfy the adaptation of different passengers to the headrest position, improves and takes the comfort level.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.