KR20100034555A - Apparatus for moving an automotive headrest - Google Patents

Apparatus for moving an automotive headrest Download PDF

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Publication number
KR20100034555A
KR20100034555A KR1020080093756A KR20080093756A KR20100034555A KR 20100034555 A KR20100034555 A KR 20100034555A KR 1020080093756 A KR1020080093756 A KR 1020080093756A KR 20080093756 A KR20080093756 A KR 20080093756A KR 20100034555 A KR20100034555 A KR 20100034555A
Authority
KR
South Korea
Prior art keywords
slider
headrest
guide frame
guide
toenail
Prior art date
Application number
KR1020080093756A
Other languages
Korean (ko)
Inventor
최순봉
Original Assignee
최순봉
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 최순봉 filed Critical 최순봉
Priority to KR1020080093756A priority Critical patent/KR20100034555A/en
Publication of KR20100034555A publication Critical patent/KR20100034555A/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/38—Support for the head or the back for the head
    • 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
    • B60N2/865—Head-rests movable or adjustable providing a fore-and-aft movement with respect to the occupant's head
    • 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
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/05—Reducing production costs, e.g. by redesign

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

PURPOSE: A headrest transport unit for a vehicle is provided to minimize the impact to the head of a passenger and prevent the neck of a passenger from bending back by automatically moving a headrest back and forth. CONSTITUTION: A headrest transport unit for a vehicle comprises a headrest, a guide frame(120), a slide(130), a movement support unit(170) and a returning spring. The guide frame is fixed to a headrest stay expanded from a seat back. The slide is connected to the headrest and moves along with the headrest. The slide glides through a guide space of the guide frame. The movement support unit is inserted in between the slider and guide frame. The movement support unit supports the movement of the slider. The returning spring returns the slider to the original position.

Description

Headrest mover for vehicle {APPARATUS FOR MOVING AN AUTOMOTIVE HEADREST}

The present invention relates to a head restraint for a vehicle, and more particularly, a head restraint for a vehicle that prevents fatal human injury by minimizing impact pressure applied to a human body of a driver or a passenger when a front or rear collision accident of a vehicle occurs. It is about.

In general, a crash of a vehicle is likely to lead to a large accident, which causes a fatal danger to the driver or passenger.

Accordingly, the present applicant has filed a Korean Patent Application No. 10-2006-100600 (hereinafter referred to as 'first application'), which is the back part of the upper body by the body being flipped back by the repulsive force during a vehicle collision. When it hits the seat back first, the headrest moves in front of it in a straight line and stops, thereby supporting the head to prevent neck bending and minimizing the impact of the head to prevent brain damage. Disclosed is a safety device for a vehicle seat that can greatly reduce impact and human damage.

However, the applicant of the present application is that the size of the device is complicated as the structure for implementing the movement of the headrest is very complicated, thereby increasing the manufacturing cost and the disadvantage that the replacement and repair is not easy. there was.

The present invention was created in order to solve the problems of the prior art as described above, and an object of the present invention is to provide a neck or head portion of a user that is flipped back by a repulsive force during a collision of a vehicle (particularly, a rear collision of the vehicle). It provides a headrest moving device for vehicles that automatically prevents head bending by minimizing head shock and greatly reduces shock and human damage, such as preventing brain damage, by automatically moving the headrest forward to support it. The purpose is.

Another object of the present invention is to provide an improved headrest moving device for a vehicle, the structure of which is very simple, which can reduce the manufacturing cost, and the replacement and repair thereof are easy.

In order to realize the above object, the present invention, the headrest; A guide frame fixedly installed in the headrest stay extending from the seatback and having a guide space; A slider connected to the headrest and integrally moving with the headrest, sliding through the guide space of the guide frame, the slider having a plurality of teeth on the top; A toenail having a catch portion caught by the teeth of the slider to lock and release movement of the slider; A moving support unit interposed between the slider and the guide frame to support the movement of the slider, the plurality of rolling elements being rotatably installed; And a return spring for returning the slider to its original position.

Here, the claw is provided with a release projection on the other side, the The slider has a protruding jaw at an upper portion thereof, and the release protrusion of the toenail may selectively contact the protruding jaw of the slider in response to the movement of the slider.

A moving support unit is provided between the slider and the guide space of the guide frame, and the moving support unit is preferably provided with a plurality of rolling elements.

The guide space and the slider of the guide frame may be formed in a horizontal direction.

In addition, the guide space and the slider of the guide frame may be formed to be inclined.

A driving unit installed at the side of the guide frame to drive a slider by an external impact, wherein the driving unit comprises: a cylinder installed under the guide frame; A piston movably installed in the cylinder, the piston having a piston rod for pressing the actuating projection of the slider; An air chamber installed in the seatback; And an air supply pipe communicating with the cylinder from the air chamber.

The air chamber has a wrinkle portion on the outer circumferential surface to facilitate its contraction and extension, and air is filled therein, and a fastening portion is provided at one side of the air chamber, and the fastening portion is fastened to a mounting block installed in the seat back. The mounting block has an air supply hole and an air inlet hole, the air supply pipe communicates with the air supply hole, and the air inlet hole is preferably provided with a check valve.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to this, the terms or words used in this specification and claims are not to be interpreted in a conventional and dictionary sense, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

The headrest moving device for a vehicle according to the present invention automatically moves the headrest forward to support the user's neck and / or head portion which is flipped back by the repulsive force in the event of a vehicle crash (especially during a rear collision of the vehicle). By moving, the neck is prevented from being bent, and the impact of the head is minimized, and the effect of greatly reducing the shock and human damage such as brain damage is expected.

In addition, since the structure is very simple, the manufacturing cost can be greatly reduced, and economical dissemination is possible, as well as improved and easy replacement and repair.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the vehicle headrest moving device according to the present invention.

First, it should be noted that like elements or parts in the drawings are denoted by the same reference numerals as much as possible. In the following description of the present invention, detailed descriptions of well-known functions or configurations will be omitted in order not to obscure the subject matter of the present invention.

1 and 2 are views illustrating a headrest moving apparatus for a vehicle according to a first embodiment of the present invention.

As shown, the vehicle headrest moving device according to the first embodiment of the present invention is largely the headrest 100, the guide frame 120 installed in the headrest stay 110 extending from the seatback, and the headrest A slider 130 which is connected to the slide 100 and slides through the guide frame 120, a toenail 140 that fixes and releases the movement of the slider 130, a pawl, the guide frame 120, and Interposed between the slider 130 includes a movement support unit 170 for supporting the movement of the slider 130 and a return spring 150 for returning the slider 130 to its original position.

As shown in FIG. 2, the headrest 100 includes a cushioning material 101 such as a cushion in the interior thereof, and an inner cover 102 is provided in the buffering material 101, and in the inner cover 102. A guide frame 120, a slider 130, a claw 140, and the like are provided, and an inner cover 102 is equipped with a mounting bracket 190, and the slider 130 is covered by the mounting bracket 190. An opening 103 is fixedly connected to the 102 and the headrest stay 110 passes through the bottom of the inner cover 102. Alternatively, the slider 130 may be integrally injection molded with the mounting bracket 190, and the slider 130 may be integrally injected with one side of the inner cover 102 in a state where the mounting bracket 190 is omitted. It may be made of a molded structure.

The headrest stay 110 is composed of a vertical portion 112 and a horizontal portion 111, the end of the vertical portion 112 is installed in the seat back of the vehicle, the guide frame 120 is fixed to the horizontal portion 111 Is installed.

The guide frame 120 is installed in the inner cover 102 to guide the movement of the slider 130.

The guide frame 120 has a bottom surface 121 which is fixed to the horizontal portion 111 of the headrest stay 100, and a pair of vertical wall surfaces 122 upward from both ends of the bottom surface 121. Is extended. The guide space 125 is horizontally or inclined between the pair of vertical wall surfaces 122.

A pair of narrow wall surfaces 124 are bent and extended on each vertical wall surface 122, and the claws 140 are rotatably installed between the narrow wall surfaces 124 through the hinge pins 143.

Slider 130 is coupled to the mounting bracket 190, one end of which is mounted to the inner cover 102, the mounting bracket 190 is coupled to the inner cover 102, the slider 130 is the headrest 100 Is fixedly connected thereto, whereby the slider 130 and the headrest 100 move integrally.

The slider 130 has a polyhedral structure having a plurality of sliding surfaces 132 extending horizontally or inclined, and the plurality of sliding surfaces 132 slide while passing through the guide space 125 of the guide frame 120. Move. When the guide space 125 of the guide frame 120 and the sliding surface 132 of the slider 130 are formed horizontally, the slider 130 may move in the horizontal direction and the headrest 100 may move in the horizontal direction. When the guide space 125 of the guide frame 120 and the sliding surface 132 of the slider 130 are formed to be inclined, the slider 130 may move in an inclined direction so that the headrest 100 may be inclined. .

In addition, the top of the slider 130 has a plurality of teeth (131a, 131b, 131c, 131d, 131e), the pitch between each of the teeth (131a, 131b, 131c, 131d, 131e) is a regular or irregular Can be formed. In addition, a protruding jaw 133 may be formed at an upper portion of the slider 130 in contact with the release protrusion 142 of the toenail 140, which will be described later, in response to the movement of the slider 130. In addition, a plurality of sliding grooves 132a may be formed long in the longitudinal direction between the plurality of sliding surfaces 132. That is, the sliding groove 132a guides the rolling movement of the rolling element 172 of the moving support unit 170. In addition, one or more stoppers 134 may be provided at the bottom of the slider 130 to limit the movement of the slider 130.

Toenail 140 is hinged rotatably on the narrow wall surface 124 of the guide frame 120, the engaging portion 141 is formed at one end thereof teeth of the slider 130 (131a, 131b, 131c, 131d, and 131e are selectively engaged and released.

Then, the toenail 140 is connected to a tension spring 145 for imparting tension tension, and the tension spring 145 has both ends thereof coupled to the narrow wall surface 124 and the toenail 140 to the toenail 140. This elastically rotates, and provides tension tension so that the engaging portion 141 is caught by the teeth 131a, 131b, 131c, 131d, and 131e of the slider 130.

The moving support unit 170 is interposed between the slider 130 and the guide space 125 of the guide frame 120, and the moving support unit 170 has a plurality of mounting portions 171. The portion 171 adjacent to the slider 130 and the guide space 125 is open. And, each mounting portion 171 is provided with a rolling element 172, such as a ball, roller, etc., the rolling element 172 by rolling motion in the sliding groove 132a of the guide space 125 and the slider 130 Support the movement of the slider 130.

4, when the release protrusion 142 of the toenail 140 contacts the protruding jaw 133 as the slider 130 moves forward, the toenail 140 rotates upward (clockwise). As a result, the locking portion 141 is released from the state caught by the fifth tooth 131e of the slider 130, and the locking between the claw 140 and the slider 130 is released. As such, when the latch is released, the headrest 100 is retracted by the return spring 150 as a whole, and the locking portion 141 of the toenail is pressed against the pressing wall 135 formed on the teeth of the slider. At the same time, the toenail is caught by the first tooth 131a while rotating in the counterclockwise direction.

Both ends of the return spring 150 are fixedly connected to the guide frame 120 and the slider 130 to return the slider 130 to its original position by its elastic force. The return spring 150 has one end thereof engaged with the engaging protrusion 128 formed at one side of the guide frame 120, and the other end thereof is mounted to the mounting bracket 190 coupled to the front side of the slider 130. It is engaged, the mounting bracket 190 is coupled to the inner cover 102 through a fastener (not shown).

The operation relationship of the headrest moving device for a vehicle according to the first embodiment of the present invention configured as described above will be described in detail as follows.

As shown in FIG. 2, the slider 130 coupled to be interlocked with the headrest 100 by the mounting bracket 190 is horizontally moved in all directions (move left in the drawing), and at the same time, the guide frame 120 The toenail 140 rotatably coupled to the slide slips from the first tooth form 131a of the slider 130 and passes over to the second tooth form 131b, at which time the toenail 140 is moved by the tension spring 145. The elastically rotated downward while being inserted into the second tooth 131b of the slider 130 to be caught to maintain the position of the headrest 100, this process is the tooth of the slider 130 ( The headrest 100 is moved and fixed while repeating as many as 131a, 131b, 131c, 131d, and 131e.

In addition, when the headrest 100 is moved to its original position, when the headrest 100 is continuously pushed to the left side, the protrusion jaw 133 of the slider 130 is fifth tooth type 131e. Slide the release protrusion 142 of the toenail 140, which is slipping away from the rotation, and when the toenail 140 is rotated for a certain period of time, the tension spring (pushing the toenail 140 downward) As the elastic force of the 145 reversely acts upward, the toenail 140 is pushed upward so as to be caught by the stopper protrusion 126 installed on the narrow wall surface 124 of the guide frame 120. Each of the teeth 130, 131b, 131c, 131d, and 131e of the slider 130 is completely deviated. Then, when the pressing force pushing the headrest 100 in the front direction (left direction in the drawing) is released, the slider 130 is moved backward by the elastic force of the return spring 150 and the headrest 100 Is returned to its original position.

5 and 6 illustrate a headrest moving device according to a second embodiment of the present invention. The second embodiment includes a headrest stay 110 extending from the headrest 100 and the seatback 500. A guide frame 120 fixedly installed, a slider 130 connected to the headrest body 100 and sliding through the guide frame 120, and a toenail 140 fixing and releasing the movement of the slider 130. ), And a driving unit 200 for moving the slider 130.

The driving unit 200 includes a cylinder 250 installed under the guide frame 120, a piston 260 installed in the cylinder 250 so as to be movable, an air chamber 210 installed in the seatback 300, and an air chamber And an air supply pipe 240 communicating with the cylinder 250 from 210.

The air chamber 210 has wrinkles on its outer circumferential surface to facilitate contraction and extension thereof, and air is filled therein. A fastening part 220 is provided at one side of the air chamber 210, and the fastening part 220 is fastened to a mounting block 230 installed in the seatback 300. The mounting block 230 has a first air supply hole 231 and a second air inlet hole 232, the air supply pipe 240 communicates with the first air supply hole 231, and the second air inlet hole. A check valve 233 is provided at 232, and the check valve 233 allows only the flow of air introduced from the outside of the air chamber 210.

The air supply pipe 240 penetrates through the inside of the vertical part 112 of the headrest stay 110, and an end thereof is connected to one side of the cylinder 250. A portion of the air supply pipe 240 introduced into the headrest stay 110 may be provided with a connector 241 for implementing ease of assembly thereof.

The piston 260 has a piston rod 265, the operation protrusion 135 is protruded in the lower portion of the slider 130, the piston 260 toward the front by the air supplied through the air supply pipe 210 When moved, the piston rod 265 also moves forward to press the actuating projection 135 of the slider 130, thereby moving the slider 130 forward.

The operation relationship of this second embodiment will be described in detail as follows.

In other words, if another vehicle collides in the rear of the vehicle, even if the driver or the passenger wears the seat belt, the collision pressure causes the driver or the passenger's body to be momentarily tilted to the rear and to be shocked.

In particular, the body that is leaned back is shocked as the upper back of the upper body hits the seat back first and the neck is bent backwards by this impact, and the head restrains the head restraint, which is a fatal damage to the human body. Will be given.

At this time, when the impact is applied to the seat back 300 by the second operation, the air chamber 210 is contracted by this impact force, whereby the air in the air chamber 210 through the air supply pipe 240 the cylinder ( 250 is supplied to the air, and thus the supplied air pushes the piston 260 forward, whereby the piston rod 265 moves the slider 130 by pressing the actuating projection 135 of the slider 130 forward. And the engaging portion 141 of the toenail 140 is selectively caught by the teeth 131a, 131b, 131c, 131d, and 131e of the slider 130 thus moved.

The rest of the configuration and operation relations are the same as or similar to those of the first embodiment, so detailed description thereof will be omitted.

7 and 8 show a headrest moving device according to a third embodiment of the present invention.

As shown, the third embodiment of the present invention is the headrest 100, the guide frame 120 fixedly installed in the headrest stay 110 extending from the seatback 300, the headrest body 100 A slider 130 connected to be slidably inclined through the guide frame 120, a toenail 140 fixing and releasing the movement of the slider 130, and a driving unit 200 to move the slider 130. It includes.

The guide frame 120 of the third embodiment is characterized in that the guide space 125 is formed to be inclined, and the slider 130 and the moving support unit 170 are inclined through the inclined guide space 125. .

Accordingly, in the third embodiment, the headrest 100 and the inner cover 102 are also moved in the inclined direction by moving the slider 130 in the inclined direction, so that the user's head can be supported more safely. There is this.

The configuration and operation of the guide frame 120, the slider 130, and the claw 140 are the same as those of the first and second embodiments, and the configuration and operation of the drive unit 200 are the second embodiment. Since it is the same as an example, the detailed description is abbreviate | omitted.

On the other hand, the present invention is not limited to the described embodiments, it is obvious to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

1 is an exploded perspective view showing a headrest moving device for a vehicle according to a first embodiment of the present invention;

2 is a side cross-sectional view of FIG.

3 and 4 is a step showing a state in which the claw of the present invention operates between the entry step and the release step of the moving support unit,

5 is a view showing a headrest moving device for a vehicle according to a second embodiment of the present invention;

FIG. 6 is an enlarged detailed view of a portion 'A' of FIG. 5;

7 is a view showing a headrest moving device for a vehicle according to a third embodiment of the present invention;

FIG. 8 is an enlarged detail view of a portion 'B' of FIG. 7.

Brief description of symbols for the main parts of the drawings

100: headrest 110: headrest stay

120: guide frame 130: slider

140: toenail 150: return spring

170: moving support unit 200: drive unit

Claims (7)

Headrest; A guide frame fixedly installed in the headrest stay extending from the seatback and having a guide space; A slider connected to the headrest and integrally moving with the headrest, sliding through the guide space of the guide frame, the slider having a plurality of teeth on the top; A toenail having a catch portion caught by the teeth of the slider to lock and release movement of the slider; A moving support unit interposed between the slider and the guide frame to support the movement of the slider, the plurality of rolling elements being rotatably installed; And And a return spring for returning the slider to its original position. The method of claim 1, The toenail is provided with a release projection on the other side, the slider And a protruding jaw at an upper portion thereof, wherein the release protrusion of the toenail selectively contacts the protruding jaw of the slider in response to the movement of the slider. The method of claim 1, A moving support unit is provided between the slider and the guide space of the guide frame, and the moving support unit is a vehicle headrest moving device, characterized in that a plurality of rolling elements are installed. The method of claim 1, The guide space and the slider of the guide frame is a vehicle headrest moving device, characterized in that formed in the horizontal direction. The method of claim 1, The guide space and the slider of the guide frame is a vehicle headrest moving device, characterized in that formed inclined. The method of claim 1, It is further provided with a drive unit installed on the guide frame to drive the slider by an external impact, The drive unit, A cylinder installed under the guide frame; A piston movably installed in the cylinder, the piston having a piston rod for pressing the actuating projection of the slider; An air chamber installed in the seatback; And And an air supply pipe communicating with the cylinder from the air chamber. The method of claim 6, The air chamber has a wrinkle portion on the outer circumferential surface to facilitate its contraction and extension, and air is filled therein, and a fastening portion is provided at one side of the air chamber, and the fastening portion is fastened to a mounting block installed in the seat back. The mounting block has an air supply hole and an air inlet hole, the air supply pipe is in communication with the air supply hole, the air inlet hole is a vehicle headrest moving device, characterized in that the check valve is provided.
KR1020080093756A 2008-09-24 2008-09-24 Apparatus for moving an automotive headrest KR20100034555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080093756A KR20100034555A (en) 2008-09-24 2008-09-24 Apparatus for moving an automotive headrest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080093756A KR20100034555A (en) 2008-09-24 2008-09-24 Apparatus for moving an automotive headrest

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020110051958A Division KR20110066128A (en) 2011-05-31 2011-05-31 Apparatus for moving an automotive headrest

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KR20100034555A true KR20100034555A (en) 2010-04-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102087002B1 (en) * 2019-07-04 2020-03-10 주식회사 현대공업 Semiautomatic slide apparatus for haedrest of car
CN113212272A (en) * 2021-06-21 2021-08-06 诺创汽车科技(上海)有限公司 Seat headrest assembly and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102087002B1 (en) * 2019-07-04 2020-03-10 주식회사 현대공업 Semiautomatic slide apparatus for haedrest of car
CN113212272A (en) * 2021-06-21 2021-08-06 诺创汽车科技(上海)有限公司 Seat headrest assembly and vehicle

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