KR102445563B1 - Chair Headrest with Height Adjustment Function - Google Patents

Abstract

The present invention relates to a headrest for a chair having a height adjustment function, and more particularly, it is connected to a frame of the backrest of a chair, and the user can conveniently raise the headrest to a height suitable for the body simply by raising and lowering the headrest by hand. can be adjusted, so it is easy to use and handle. In particular, since the configuration for height adjustment is not exposed to the outside, it is possible to prevent deterioration of the design of the chair, thereby maintaining a luxurious appearance, and assembling the chair frame and headrest It relates to a headrest for a chair having a new type of height adjustment function that can maintain the height of the headrest stably and firmly without being shaken even when the height of the headrest is frequently manipulated.

Description

Chair Headrest with Height Adjustment Function

The present invention relates to a headrest for a chair having a height adjustment function, and more particularly, it is connected to a frame of the backrest of a chair, and the user can conveniently raise the headrest to a height suitable for the body simply by raising and lowering the headrest by hand. can be adjusted, so it is easy to use and handle. In particular, since the configuration for height adjustment is not exposed to the outside, it is possible to prevent deterioration of the design of the chair, thereby maintaining a luxurious appearance, and assembling the chair frame and headrest It relates to a headrest for a chair having a new type of height adjustment function that can maintain the height of the headrest stably and firmly without being shaken even when the height of the headrest is frequently manipulated.

In general, a chair includes a seat plate, a leg supporting the seat plate, a backrest coupled to the seat plate to support the user's back, and a headrest installed on the backrest to support the user's head.

In addition, cushions for user convenience are installed on the backrest and headrest of the chair, and recently, chairs using a seat that provides great convenience to users by providing good ventilation in an environment with high temperature and humidity as cushions are being manufactured.

In addition, the headrest of the chair supports the user's head during work or rest, and a chair with improved convenience by allowing the height of the headrest to be adjusted according to the user's operation is being manufactured.

As a prior art related to the prior art technology for adjusting the height of the headrest of a chair, the device for adjusting the height of the headrest of a chair is disclosed in Patent Publication No. 10-1015416 (Registration date: February 10, 2011). A height adjusting device capable of adjusting the height of a headrest supporting a user's head on the upper part of the backrest of a chair to be used in such a way as to recline It has a holder housing to be fastened, and a protrusion that is installed inside the holder housing and is selectively caught in the grooves for height adjustment of several stages in the pedestal frame through an opening communicating with the hole, and is bent and supported while receiving elastic support by a spring. It includes a retractable holder, and is characterized in that the user can adjust the height of the headrest by raising and lowering the headrest by hand.

In another prior art, Registered Patent Publication No. 10-1515164 (registration date: April 20, 2015) for a chair headrest includes a support post that is detachably coupled to a back plate frame of a chair, and an upper portion coupled to the support post. A support cover having a shape bent forward, a cushion member made of an elastic material for supporting the head of a seated person, the cushion member is seated and connected to the support cover, A first coupling part detachably coupled to an inner shell that supports the left and right sides and a lower portion of the cushion member so as to induce rear elastic support and has an upper middle portion open, and a first fastening groove formed in the rear lower portion of the inner shell. and a second coupling part detachably coupled to a second fastening groove formed on the lower surface of the bent upper part of the support cover, and comprising a frame for connecting the inner shell and the support cover via the middle. .

However, the configurations for adjusting the height of the headrest of the above configuration have a problem in that the configuration for adjusting the height is exposed to the outside of the chair, thereby impairing the design of a luxurious chair and lowering the purchase desire of consumers, especially , The frequent headrest height adjustment often caused the headrest to swing back and forth easily.

Moreover, the shape and design of the connection part between the headrest and the chair frame is limited by the configuration for adjusting the height of the headrest, or there is a limit to the design that is difficult to manufacture with a sophisticated aesthetic, and at the same time the assembly state is easily damaged. In fact, it became the main cause of the head restraint shaking.

Registered Patent Publication No. 10-1015416 (Registration date: February 10, 2011) "Headrest height adjustment device for chair" Registered Patent Publication No. 10-1515164 (Registration Date: April 20, 2015) "Headrest for Chair"

The present invention has been made in consideration of the above circumstances, and an object of the present invention is a new form in which the height adjustment of the headrest can be easily adjusted to a height suitable for the body through a simple operation of raising and lowering the headrest by hand. It is to provide a headrest for a chair having a height adjustment function.

In addition, another object of the present invention is to provide a chair with a luxurious aesthetic by preventing the deterioration of the overall aesthetics of the chair by providing a configuration for adjusting the height of the headrest that is formed inside the headrest without being exposed to the outside. An object of the present invention is to provide a headrest for a chair having a height adjustment function that can improve purchase desire.

The problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. will be.

The headrest for a chair having a height adjustment function according to the object of the present invention includes a connection frame in which a pair of coupling protrusions and a plurality of reinforcing ribs are formed on the upper portion, and a plurality of assembling holes coupled to the chair frame are integrally formed on the lower portion; The locking projection of the connection frame is fitted in the lower part, and a pair of height adjustment grooves having a plurality of locking clamps formed on the inside, a male frame integrally formed with a plurality of engaging clamps on the edge, and the step formed in the central part of the outer side as the center on one side A fitting part having a coupling protrusion accommodating groove inserted into the height adjustment groove and fitted with a coupling protrusion on the inside, and a fixing part in close contact with the outer surface of the height control groove on the other side and having a bolt accommodating groove and a through hole on the inside are integrally formed. A member, an arm frame having a plurality of coupling grooves having locking protrusions formed at positions corresponding to the coupling chain group and coupled to an edge side surrounding the male frame, and one side is attached to the surface of the arm frame and has elasticity and breathability It can be achieved by a headrest for a chair having a height adjustment function, characterized in that it includes a cushion made of a material having a.

It is formed between the coupling projections of the connection frame and is formed between the guide protruding to the front side, and the height adjustment groove of the male frame, characterized in that it further comprises a guide groove into which the guide is fitted in a vertically movable form.

It characterized in that it further comprises a sealing cap formed on the outer peripheral surface of the assembly hole of the connection frame to prevent exposure of the bolt when connected to the chair frame.

It is characterized in that it further comprises a protruding jaw formed at the lower end of the connecting frame to connect to the surrounding chair frame to be coupled.

The step adjustment member is formed to communicate vertically with the engaging projection accommodating groove formed in the fitting portion, and further comprises a pair of fitting grooves fitted to the reinforcing ribs.

As described above, the headrest for a chair having a height adjustment function according to the present invention makes it possible to adjust the height of the headrest according to the height of the user's head according to the user's body type, thereby providing a comfortable and stable fit for the neck and head of the seated person. It not only can support the seated person, but also corrects the posture of the seated person, and has the effect of taking a sleep by using the rest time.

Moreover, as the height adjustment of the headrest is adjusted to a height suitable for the body through a simple movement of raising and lowering the headrest by hand, anyone, regardless of age or gender, can easily adjust the height of the headrest to suit their body, resulting in satisfaction of the occupant. has the effect of maximizing

In addition, the configuration for adjusting the height of the headrest is formed inside the headrest without being exposed to the outside, thereby preventing the overall aesthetics of the chair from being inhibited. there is

The effects of the present invention are not limited to the above-mentioned effects, and various effects may be included within the range apparent to those skilled in the art from the description below.

1 is a rear perspective view of a headrest for a chair having a height adjustment function according to a first embodiment of the present invention;
2 is an exploded perspective view of a headrest for a chair having a height adjustment function according to a first embodiment of the present invention;
3 is an exploded perspective view of a male frame and a connecting frame part of a headrest for a chair having a height adjustment function according to a first embodiment of the present invention;
Figure 4 is a front view of the combined state of the male frame and the connecting frame portion of the headrest for a chair having a height adjustment function according to the first embodiment of the present invention;
5 is a cross-sectional view of a combined state of the headrest for a chair having a height adjustment function according to the first embodiment of the present invention;
6 is an enlarged view of part B of FIG. 5
7 is an enlarged view of part C of FIG. 5

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art to which the present invention pertains can easily implement them. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text.

That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms.

For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the specified feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in a commonly used dictionary should be interpreted as having the meaning consistent with the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Now, with reference to the drawings for a convenient wheelchair bag according to the first embodiment of the present invention will be described in detail.

1 of the accompanying drawings is a rear perspective view of a chair headrest having a height adjustment function according to a first embodiment of the present invention, and FIG. 2 is a chair head having a height adjustment function according to the first embodiment of the present invention. An exploded perspective view of the rest, Figure 3 is an exploded perspective view of the male frame and the connecting frame portion of the headrest for a chair having a height adjustment function according to the first embodiment of the present invention, Figure 4 is a first embodiment of the present invention A front view of the coupled state of the male frame and the connecting frame among the chair headrests having a height adjustment function according to the present invention, and FIG. 5 is a combined state of the chair headrest having a height adjustment function according to the first embodiment of the present invention. , FIG. 6 is an enlarged view of part B of FIG. 5 , and FIG. 7 is an enlarged view of part C of FIG. 5 .

The present invention relates to a headrest for a chair having a height adjustment function, and more particularly, it is connected to a frame of the backrest of a chair, and the user can conveniently raise the headrest to a height suitable for the body simply by raising and lowering the headrest by hand. can be adjusted, so it is easy to use and handle. In particular, since the configuration for height adjustment is not exposed to the outside, it is possible to prevent deterioration of the design of the chair, thereby maintaining a luxurious appearance, and assembling the chair frame and headrest It relates to a headrest for a chair having a new type of height adjustment function that can maintain the height of the headrest stably and firmly without being shaken even when the height of the headrest is frequently manipulated.

As shown, the headrest 100 for a chair having a height adjustment function according to the present invention includes a connection frame 10 connecting the headrest 100 and the chair frame 200, and the connection frame 10. A male frame 20 connected to one side in a vertically movable form, and an arm that is coupled to the male frame 20 and covers the protrusion of the male frame 20 and provides a smooth surface to which the cushion 40 is attached. It is composed of a frame 30 and a cushion 40 attached to the surface of the arm frame 30 .

The connection frame 10 has a guide 11 fitted to the male bracket 20 at the upper portion, a pair of coupling protrusions 12 and a plurality of reinforcing ribs 13 are formed, and is coupled to the chair frame 200 at the lower portion. A plurality of assembling holes 14 to be formed integrally.

" 형태로 구성된다.In addition, the side of the connection frame 10 is approximately “

" is made in the form of

In addition, on the outer peripheral surface of the assembly hole 14 of the connection frame 10, a sealing cap 15 and a chair frame 200 at the lower end to prevent external exposure of bolts (not shown) used in connection with the chair frame 200 . A protrusion 16 connected in a shape surrounding the is formed.

The male frame 20 has a guide groove 21 in which the guide 11 is fitted in a movable form in the lower central portion, and is formed on both sides of the guide groove 21 and has a plurality of locking devices 22 inside. A pair of height adjustment grooves 23 and a plurality of coupling chains 24 formed at the edges are integrally formed.

In addition, the guide 11 of the connection frame 10 is inserted into the guide groove 21 to induce vertical movement of the male frame 20 without shaking, and at the same time, step adjustment is made in the height adjustment grooves 23 on both sides. The member 25 passes through and is coupled to the coupling protrusion 12 of the connection frame 10 , and the coupled state with the bolt 26 is fixed.

The step adjustment member 25 has a fitting portion 252 inserted into the height adjustment groove 23 on one side around the stepped 251 formed in the outer central portion, and on the outer surface of the height adjustment groove 23 on the other side. It is composed of a fixed part 253 to be in close contact, and a coupling protrusion receiving groove 254 into which the coupling protrusion 12 and the reinforcing rib 13 are fitted is communicated with the fitting groove 255 on the inside of the fitting part 252 . A bolt receiving groove 256 in which the head of the bolt is accommodated is formed on the inside of the fixing part 253 , and a through hole 257 penetrating the inside is integrally formed.

The female frame 30 is formed with a plurality of coupling grooves 32 having a locking protrusion 31 at a position corresponding to the coupling cleaver 24 on the edge, and the edge side is coupled in a manner that surrounds the male frame 20 . do.

The cushion 40 is formed in a form in which an inner surface of the arm frame 30 is attached to the arm frame 30 with an adhesive or the like on the surface of the arm frame 30 , and may be formed of a material having elasticity and breathability.

On the other hand, the male frame 20 is connected to the connection frame 10 in a vertically movable form.

Specifically, the connection frame 10 is closely adhered to the rear surface of the male frame 20 so that the guide 11 is fitted into the guide groove 21, and the coupling protrusions 12 are formed in the height adjustment grooves 23 on both sides. The fitting groove 255 is inserted into the reinforcing rib 13 connected up and down of the coupling protrusion 12 at the same time as the coupling protrusion receiving groove 254 of the step adjusting member 25 is fitted on the outer peripheral surface of the fitted coupling protrusion 12. ) is inserted, the fitting portion 252 of the step adjustment member 25 is inserted into the height adjustment groove 23, the inserted position is fixed by the locking device 22, and the male frame 20 is a fixed portion ( In a state in which the 253) is in close contact with the outer surface of the height adjustment groove 23, the bolt 26 passes through the through hole 257 and is screwed to the coupling protrusion 12, so that the coupled state is firmly maintained without shaking.

That is, by the configuration of the fitting groove 255 formed in the fitting portion 252 of the step adjusting member 25, the step adjusting member 25 is physically prevented from rotating naturally due to vibration or shaking, so that the male frame 20 is always ) of the height adjustment groove 23, there is a feature that can firmly maintain the state in close contact with the outer surface.

As described above, in a state in which the male frame 20 is coupled in a vertically movable form from the connection frame 10, the coupling cleaver 24 protruding toward the front is inserted into the coupling groove 32 of the female frame 30, and the locking jaw The male frame 20 and the female frame 30 are coupled in such a manner that the edge of the female frame 30 surrounds the male frame 20 by being caught by the (31).

In addition, a cushion 40 is attached to the surface of the arm frame 30 .

As described above, in the state in which the male frame 20 and the arm frame 30 to which the cushion 40 is attached are assembled, the user lifts it upward or presses it downward to adjust the height of the headrest (A). 23), the fitting part 252, which is caught in the locking device 22 and has a fixed position, moves upward or downward by the load over the state caught in the locking device 22, and the position is changed and formed at a variable position. The position deformed by the jamming device 22 is fixed again.

Furthermore, the lower part of the connection frame 10 connected to the male frame 20 is fastened to the chair frame 200 with bolts, and the protruding jaw 16 formed at the lower end is in close contact with the chair frame 200 in a shape surrounding the chair frame 200 and bolts. is coupled to the chair frame 200 through the assembly hole 14, so that the headrest 100 is prevented from shaking in the process of moving up and down by the user's manipulation, and the connection frame 10 can be securely assembled. .

In particular, the bolt in which the connection frame 10 is located in the assembly hole 14 can prevent the bolt from being exposed through the sealing cap 15 sealing the assembly hole 14, thereby inhibiting the aesthetic feeling of the coupling part of the headrest. can be prevented from becoming

As described above, the headrest for a chair having a height adjustment function according to the present invention makes it possible to adjust the height of the headrest according to the height of the user's head according to the user's body type, thereby providing a comfortable and stable fit for the neck and head of the seated person. In addition to being able to support the occupant, it corrects the posture of the occupant, and has a constitutional feature that allows a person to sleep while taking a break. By simply adjusting the height to a suitable height for the body through simple movements, anyone, regardless of age or gender, can easily adjust the height of the headrest to suit their body, thereby maximizing the satisfaction of the occupant.

In addition, the configuration for adjusting the height of the headrest is formed inside the headrest without being exposed to the outside, thereby preventing the overall aesthetics of the chair from being disturbed. There is this.

As described above, the best embodiment has been disclosed in the drawings and the specification. Although specific terms are used herein, they are only used for the purpose of describing the present invention, and are not used to limit the meaning or limit the scope of the present invention described in the utility model claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended utility model claims.

10: connection frame
11: guide 12: coupling protrusion
13: reinforcing rib 14: assembler
15: sealing cap 16: protruding jaw
20: male frame
21: guide groove 22: jam breaker
23: height adjustment groove 24: combine cleaver
25: step adjustment member 26: bolt
30: arm frame
31: locking jaw 32: coupling groove
40: cushion

Claims (5)

In the headrest for a chair having a height adjustment function configured so that the height can be adjusted while supporting the user's head on the upper part of the chair frame so that the user can be used in a way that the user leans their head during work or rest,
The headrest 100 for a chair having a height adjustment function,
A pair of coupling protrusions 12 and a plurality of reinforcing ribs 13 are formed on the upper portion, and a plurality of assembly holes 14 coupled to the chair frame 200 are integrally formed on the lower portion of the connecting frame 10; And
The coupling protrusion 12 of the connection frame 10 is fitted in the lower portion, and a pair of height adjustment grooves 23 having a plurality of locking claws 22 formed therein and a plurality of coupling claws 24 are integrally formed with the edges. male frame (20); and
A fitting portion 252 having a coupling protrusion receiving groove 254 into which the coupling protrusion 12 is fitted and inserted into the height adjustment groove 23 on one side around the stepped 251 formed in the outer central portion, and On the other side, the step adjustment member 25 is in close contact with the outer surface of the height adjustment groove 23 and integrally formed with a fixing part 253 having a bolt receiving groove 256 and a through hole 257 formed therein; and
an arm frame 30 in which a plurality of coupling grooves 32 having a locking protrusion 31 are formed at a position corresponding to the coupling cleaver 24 and the edge side is coupled in a form that surrounds the male frame 20; and,
A headrest for a chair having a height adjustment function, comprising a cushion (40) having one surface attached to the surface of the arm frame (30) and made of a material having elasticity and breathability.
The method of claim 1,
It is formed between the coupling protrusions 12 of the connection frame 10 and is formed between the guide 11 protruding forward and the height adjustment groove 23 of the male frame 20, and the guide 11 moves up and down. A headrest for a chair having a height adjustment function, characterized in that it further comprises a guide groove 21 that is fitted in a possible shape.
The method of claim 1,
A chair head having a height adjustment function, characterized in that it further includes a sealing cap 15 formed on the outer circumferential surface of the assembly hole 14 of the connection frame 10 to prevent the bolt from being exposed when connected to the chair frame 200 . rest.
The method of claim 1,
The headrest for a chair having a height adjustment function, characterized in that it further comprises a protruding jaw (16) formed at the lower end of the connection frame (10) and connected to the chair frame (200) to be connected in a surrounding manner.
The method of claim 1,
The step adjustment member 25 is formed to communicate vertically with the engaging projection accommodating groove 254 formed in the fitting portion 252 to further include a pair of fitting grooves 255 fitted to the reinforcing rib 13 . A headrest for a chair with a height-adjustable feature.

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