CN215936835U - Seat headrest mounting structure and seat - Google Patents

Abstract

The utility model relates to the technical field of household products, and discloses a seat headrest mounting structure, which comprises: the mounting bracket is used for mounting the whole seat headrest on a seat, and the headrest bracket and the mounting bracket form height-adjustable lifting mounting; the headrest support is characterized in that the headrest and the headrest support form a rotatable installation with adjustable pitching angle. According to the utility model, the headrest and the headrest support are rotatably mounted with adjustable pitching angles, so that the seat has the functions of headrest height adjustment and pitching adjustment. During the in-service use, can be according to the user demand of different crowds from helping the every single move angle of adjusting the headrest for the use of seat is more comfortable, more can accord with ergonomic design.

Description

Seat headrest mounting structure and seat

Technical Field

The utility model relates to the technical field of household products, in particular to a seat headrest mounting structure and a seat.

Background

At present, the ergonomic is more and more emphasized in the design of the chair, the headrest is designed on a plurality of chairs, the neck of people can be protected by the headrest, the fatigue of the neck after the people sit for a long time is relieved, and the morbidity risk of cervical spondylosis is reduced. To meet the different requirements of groups of people of different heights for the height of the headrest, the seat headrest is usually provided in a height-adjustable structure.

For example, a chinese utility model patent with publication number CN212437956U discloses a liftable headrest structure and a seat, comprising a support frame, a headrest and a mounting assembly, wherein the support frame comprises a support portion and a sliding portion, and the headrest is connected to the support portion; the sliding part is vertically arranged, the mounting assembly is connected to the sliding part, and the mounting assembly is in sliding fit with the sliding part; the mounting assembly comprises a front cover, a rear cover and a guide block clamped between the front cover and the rear cover, a guide groove and a plurality of limiting grooves which are in sliding fit with the guide block are arranged on the sliding part, and an elastic clamping tongue which is in clamping fit with the limiting grooves is arranged on the front cover; the front end of the front cover is provided with an installation block, and the installation block is provided with an installation hole. In the utility model, the sliding part is in sliding fit with the mounting component, and the mounting component is clamped with the limiting groove through the elastic clamping tongue; when the headrest is adjusted, the height of the headrest can be adjusted only by applying force to the support frame to enable the elastic clamping tongue to contract, and the headrest is convenient to adjust.

However, these height-adjustable headrests have only a height adjustment function and no pitch adjustment function.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a seat headrest mounting structure which is simple in structure and has double functions of height adjustment and pitching adjustment.

The utility model also provides a seat with the seat headrest mounting structure.

In order to achieve the purpose, the utility model adopts the following technical scheme.

A seat headrest mounting structure comprising: the mounting bracket is used for mounting the whole seat headrest on a seat, and the headrest bracket and the mounting bracket form height-adjustable lifting mounting; the headrest support is characterized in that the headrest and the headrest support form a rotatable installation with adjustable pitching angle.

More preferably, the mounting bracket is provided with a concave sliding chute, a sliding block and a sliding chute cover, the sliding chute cover is detachably mounted on the sliding chute and forms a lifting sliding cavity together with the sliding chute, and the sliding block is arranged in the lifting sliding cavity in a lifting and sliding manner; a strip-shaped groove consistent with the lifting direction is arranged on the sliding groove cover; a connecting piece penetrates through the strip-shaped groove to fixedly connect the sliding block with the headrest bracket; the sliding block and the sliding groove are respectively provided with an elastic positioning piece and a positioning groove which are matched with each other.

More preferably, the elastic positioning piece is an elastic positioning bead or an elastic buckle.

More preferably, be equipped with slider installation department and headrest installation department on the headrest support, the slider installation department with by passing between the slider the strip groove the connecting piece is connected fixedly, the headrest installation department is used for connecting the headrest.

More preferably, the headrest bracket is provided with a circular-arc-shaped headrest mounting part, the headrest is provided with a rotary connecting part corresponding to the headrest mounting part, the inner layer and the outer layer of the rotary connecting part are both cambered surfaces, the inner side of the rotary connecting part is matched with the headrest mounting part, and the outer side of the rotary connecting part is provided with an arc-shaped cover plate matched with the rotary connecting part; the rotary connecting part is provided with an arc-shaped long hole, and a spring bolt penetrates through the arc-shaped cover plate and the arc-shaped long hole to form elastic locking with the headrest mounting part; the arc-shaped cover plate and the outer side of the rotary connecting part are respectively provided with a plurality of positioning bulges and a plurality of positioning grooves which are matched with each other.

More preferably, the positioning groove is a plurality of strip-shaped grooves, each strip-shaped groove is arranged on the inner side of the arc-shaped cover plate in parallel, and the positioning protrusion is a single strip-shaped protrusion arranged on the outer side of the rotary connecting part.

A seat, comprising: the chair comprises a chair seat, armrests and a support which are arranged on the chair seat, a backrest connected with the support and a headrest connected with the backrest; the headrest is mounted on the backrest through the seat headrest mounting structure.

More preferably, a waist rest is rotatably mounted on the lower side of the backrest, the waist rest is of a net frame structure and protrudes in an arc shape towards one side of the seat.

More preferably, the armrest includes a left armrest and a right armrest located on both sides of the seat, and a first adjusting switch for adjusting the height of the seat and a second adjusting switch for adjusting the pitch angle of the backrest are respectively disposed on the left armrest and the right armrest.

More preferably, the bottom of the chair seat is provided with an expansion bracket, and the front end of the expansion bracket is rotatably connected with a foot rest; an angle regulator for controlling the rotation angle of the foot rest is arranged between the telescopic frame and the foot rest.

The utility model has the beneficial effects that: because the headrest and the headrest support form a rotatable installation with adjustable pitching angle, the seat has the functions of headrest height and pitching adjustment. During the in-service use, can be according to the user demand of different crowds from helping the every single move angle of adjusting the headrest for the use of seat is more comfortable, more can accord with ergonomic design. In addition, through the curved headrest installation part and the rotary connecting part, the rotary connection between the headrest and the headrest support can be realized conveniently and quickly by combining the spring bolt, the structure is simple, the assembly is quick, and the maintenance is convenient.

Drawings

Fig. 1 is a schematic structural view of a seat headrest provided by the present invention.

Fig. 2 is an exploded view of the assembled structure of the headrest bracket and the mounting bracket.

Fig. 3 is a schematic view showing the assembly of the headrest with the headrest bracket.

Fig. 4 shows an exploded view of the structure of fig. 3.

Fig. 5 is a schematic view of the seat structure.

Reference numerals indicate the same.

1: mounting bracket, 2: headrest support, 3: headrest, 4: a chair seat, 5: an armrest, 6: support, 7: backrest, 8: lumbar support, 9: a foot rest.

1-1: chute, 1-2: a slider, 1-3: chute cover, 1-4: positioning groove, 1-5: and a limiting member.

2-1: slider mounting part, 2-2: a headrest mounting portion.

3-1: rotation connection portion, 3-2: arc-shaped long hole, 3-3: an arc-shaped cover plate.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in fig. 1, a seat headrest mounting structure includes: the seat headrest mounting structure comprises a mounting bracket 1, a headrest bracket 2 and a headrest 3, wherein the mounting bracket 1 is used for mounting the whole seat headrest on a seat, the headrest bracket 2 and the mounting bracket 1 form height-adjustable lifting installation, and the headrest 3 and the headrest bracket 2 form pitch angle-adjustable rotating installation.

Referring to fig. 2, an inwards concave chute 1-1, a slider 1-2 and a chute cover 1-3 are arranged on the mounting bracket 1, the chute cover 1-3 is detachably mounted on the chute 1-1 and forms a lifting sliding cavity together with the chute 1-1, and the slider 1-2 is arranged in the lifting sliding cavity in a lifting sliding manner; a strip-shaped groove consistent with the lifting direction is arranged on the chute cover 1-3; the headrest support 2 is provided with a slider mounting part 2-1 and a headrest mounting part 2-2, the slider mounting part 2-1 and the slider 1-2 are fixedly connected through a connecting piece penetrating through the strip-shaped groove, and the headrest mounting part 2-2 is used for connecting the headrest 3.

In the embodiment, the concave sliding chute 1-1, the sliding block 1-2 and the sliding chute cover 1-3 are arranged on the mounting bracket 1, so that the die sinking, the processing and the manufacturing are convenient, and the assembly is convenient; and parts can be conveniently replaced during later maintenance.

In some embodiments, the sliding groove may also be configured as a T-shaped groove or a T-shaped sliding rail, and accordingly, the sliding block is a T-shaped sliding block or a sliding block with a T-shaped groove; in this case, the chute cover may be omitted, and the slider may be integrally formed with the headrest bracket 2.

In other embodiments, the sliding groove may be a through groove which is through from top to bottom, and the headrest support is directly inserted into the through groove through the corresponding insertion strip.

In this embodiment, preferably, a plurality of positioning grooves 1-4 are arranged in the sliding groove 1-1, the positioning grooves 1-4 are arranged in a straight line at intervals along the lifting direction, and preferably, an elastic positioning bead matched with the positioning groove 1-4 is arranged on the sliding block 1-2. When the headrest height adjusting device is used, the headrest 3 is pushed to apply a lifting acting force to the sliding blocks 1-2, so that the elastic positioning beads can be clamped with different positioning grooves 1-4, the purpose of headrest height adjustment is achieved, and the headrest height adjustment is very convenient.

Obviously, in some embodiments, the positions of the positioning groove and the elastic positioning bead may be changed, or other elastic fasteners may be used to replace the elastic positioning bead, which is not limited to this embodiment.

Referring to fig. 3 and 4, the headrest mounting portion 2-2 is arc-shaped, the headrest 3 is provided with a rotary connecting portion 3-1 corresponding to the headrest mounting portion 2-2, the inner layer and the outer layer of the rotary connecting portion 3-1 are both arc surfaces, the inner side of the rotary connecting portion 3-1 is matched with the headrest mounting portion 2-2, and the outer side of the rotary connecting portion 3-1 is provided with an arc-shaped cover plate 3-3 matched with the rotary connecting portion; the rotary connecting part 3-1 is provided with an arc-shaped long hole 3-2, and a spring bolt passes through the arc-shaped cover plate 3-3 and the arc-shaped long hole 3-2 and then forms elastic locking with the headrest mounting part 2-2; the outer sides of the arc-shaped cover plate 3-3 and the rotary connecting part 3-1 are respectively provided with a plurality of positioning bulges and a plurality of positioning grooves which are matched with each other.

In this embodiment, it is preferable that the positioning groove is a plurality of grooves, each of the grooves is disposed in parallel on the inner side of the arc-shaped cover plate 3-3, and the positioning protrusion is a single protrusion disposed on the outer side of the rotating connection portion 3-1. Obviously, the number, position and shape of the positioning protrusions and the positioning grooves can be adjusted according to different actual needs, and are not limited to the embodiment.

When in use, a certain rotating force is applied to the headrest 3, so that different positioning bulges can be matched with different positioning grooves, and the purpose of adjusting the rotating angle of the headrest 3 is achieved; the headrest pitch adjustment is also very convenient.

In particular, in order to avoid excessive rotation of the headrest 3, it is preferable that a stopper 1-5 abutting against the headrest 3 is further provided on the mounting bracket 1. In this embodiment, the limiting members 1 to 5 are preferably lower limiting members corresponding to the lower sides of the head rest 3. Obviously, those skilled in the art can also set the upper limiting member according to different actual needs, and is not limited to this embodiment.

In some embodiments, in order to ensure reliable installation of the headrest bracket 2 and the headrest 3, it is preferable that a rotation shaft is further provided between the headrest mounting portion 2-2 and the rotation connecting portion 3-1.

As shown in connection with fig. 5, a seat includes: the chair comprises a chair seat 4, armrests 5 and a support 6 which are arranged on the chair seat 4, a backrest 7 connected with the support 6, and a headrest 3 connected with the backrest 7; the headrest 3 is attached to the seatback 7 by the headrest attachment structure for a seat as described above.

The backrest 7 is also of a height-adjustable structure, a waist support 8 is further rotatably mounted on the lower side of the backrest 7, and the waist support 8 protrudes towards one side of the seat 5 in an arc shape. In this embodiment, the lumbar support 8 is preferably a net frame structure, and the lower side of the net frame structure is suspended above the seat 4; thus, the elastic force and the reset effect are the most excellent.

The armrests 5 comprise a left armrest and a right armrest which are positioned on two sides of the seat 4, and a first adjusting switch for adjusting the height of the seat and a second adjusting switch for adjusting the pitch angle of the backrest are respectively arranged on the left armrest and the right armrest. For the specific control structure and principle of the first regulating switch and the second regulating switch, reference may be made to the patent application with publication number CN111802843A, which was previously applied by the applicant, and details are not repeated herein.

Preferably, the bottom of the seat 4 is provided with an expansion bracket, and the front end of the expansion bracket is rotatably connected with a foot rest 9; an angle regulator for controlling the rotation angle of the foot rest is arranged between the telescopic frame and the foot rest 9. For the specific installation structure of the telescopic frame, the foot rest 8 and the angle adjuster, reference may be made to the utility model patent with publication number CN213282255U previously applied by the applicant, and detailed description thereof is omitted.

It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the utility model is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the utility model as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A seat headrest mounting structure comprising: the mounting bracket is used for mounting the whole seat headrest on a seat, and the headrest bracket and the mounting bracket form height-adjustable lifting mounting; the headrest support is characterized in that the headrest and the headrest support form a rotatable installation with adjustable pitching angle.

2. The seat headrest mounting structure according to claim 1, wherein the mounting bracket is provided with a recessed sliding groove, a sliding block and a sliding groove cover, the sliding groove cover is detachably mounted on the sliding groove and forms a lifting sliding cavity together with the sliding groove, and the sliding block is arranged in the lifting sliding cavity in a liftable and lowerable sliding manner; a strip-shaped groove consistent with the lifting direction is arranged on the sliding groove cover; a connecting piece penetrates through the strip-shaped groove to fixedly connect the sliding block with the headrest bracket; the sliding block and the sliding groove are respectively provided with an elastic positioning piece and a positioning groove which are matched with each other.

3. The seat headrest mounting structure according to claim 2, wherein the elastic positioning member is an elastic positioning bead or an elastic snap.

4. The seat headrest mounting structure according to claim 2, wherein a slider mounting portion and a headrest mounting portion are provided on the headrest bracket, the slider mounting portion and the slider are fixedly connected by the connecting member passing through the strip-shaped groove, and the headrest mounting portion is used for connecting the headrest.

5. A seat headrest mounting structure according to claim 1, wherein a headrest mounting portion having an arc shape is provided on the headrest bracket, a rotation connecting portion corresponding to the headrest mounting portion is provided on the headrest, an inner layer and an outer layer of the rotation connecting portion are both arc surfaces, an inner side of the rotation connecting portion is engaged with the headrest mounting portion, and an outer side of the rotation connecting portion is provided with an arc-shaped cover plate engaged therewith; the rotary connecting part is provided with an arc-shaped long hole, and a spring bolt penetrates through the arc-shaped cover plate and the arc-shaped long hole to form elastic locking with the headrest mounting part; the arc-shaped cover plate and the outer side of the rotary connecting part are respectively provided with a plurality of positioning bulges and a plurality of positioning grooves which are matched with each other.

6. The seat headrest mounting structure as claimed in claim 5, wherein the positioning recess is a plurality of strip-shaped grooves, each of the strip-shaped grooves is disposed in parallel on an inner side of the arc-shaped cover plate, and the positioning protrusion is a single strip-shaped protrusion disposed on an outer side of the rotation connecting portion.

7. A seat, comprising: the chair comprises a chair seat, armrests and a support which are arranged on the chair seat, a backrest connected with the support and a headrest connected with the backrest; wherein the headrest is mounted to the backrest by a seat headrest mounting structure as claimed in any one of claims 1 to 6.

8. A chair according to claim 7, wherein a lumbar support is pivotally mounted to the underside of the backrest, the lumbar support being of a mesh frame construction and projecting arcuately to the side of the seat.

9. The chair of claim 7, wherein the armrests comprise a left armrest and a right armrest disposed on opposite sides of the seat, and a first adjustment switch for adjusting the height of the seat and a second adjustment switch for adjusting the pitch angle of the backrest are disposed on the left armrest and the right armrest, respectively.

10. The chair according to claim 7, wherein an expansion bracket is arranged at the bottom of the chair seat, and a foot rest is rotatably connected to the front end of the expansion bracket; an angle regulator for controlling the rotation angle of the foot rest is arranged between the telescopic frame and the foot rest.

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