CN217547601U

CN217547601U - Adjustable seat

Info

Publication number: CN217547601U
Application number: CN202220226898.4U
Authority: CN
Inventors: 郑柏武
Original assignee: Anji Yitong Furniture Co ltd
Current assignee: Anji Yitong Furniture Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-10-11
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to a seat utensil structure field especially relates to an adjustable seat utensil, including base, cushion, back and handrail, adjust the setting through adjusting device relative movement between cushion and the back, and then the adjustment the seat of cushion is dark, carries out automatically regulated to cushion and back through setting up adjusting device for the seat of cushion is dark can carry out automatically regulated, makes the user can obtain better position of sitting and experience.

Description

Adjustable seat

Technical Field

The utility model relates to a seat utensil structure field especially relates to an adjustable seat utensil.

Background

The chair is a necessary product for daily life and work of people, and a good chair can provide good support for a user and make the user feel comfortable. However, most of the existing seats are relatively fixed in each component, and the seat depth cannot be adjusted at all. Therefore, the seat can not be completely suitable for children with different school ages and different heights. Particularly, for a short user, the back of the user is too far away from the backrest due to the long seat depth, the back of the user cannot be supported and suspended, the user feels fatigue after long-time use, and the spine of the user is not supported and supported correctly and cannot be twisted unconsciously due to long-term development, so that the spine development of the user is influenced; for a user with a relatively high head, the leg of the existing seat cannot be completely unfolded due to the depth of the seat, the existing seat is easy to fatigue, feet of the user can move around, and the learning or working efficiency of the user is seriously influenced due to unstable sitting.

Can adjust the seat of seat depth on the market at present, be difficult to realize independently adjusting, that is to say that the people of difference adjust according to the use custom of oneself, need the user just can adjust after leaving the seatpad when adjusting, and is not humanized enough, and the user feels not good in use.

In chinese patent No. CN202121648204.8, a self-adaptive seat depth adjusting chair is disclosed, which comprises a chair seat, a chair back and a fixed support member; the fixed supporting piece is positioned below the seat, the seat is provided with a front end and a rear end along the seat depth direction, and the seat is movably connected with the fixed supporting piece through the first connecting rod assembly, so that the seat can ascend or descend relative to the fixed supporting piece; the chair back is movably connected with the fixed supporting piece through the second connecting rod assembly, so that the chair back can move back and forth in the depth direction of the chair seat; the second connecting rod assembly is connected with the first connecting rod assembly through a transmission piece, when the seat descends relative to the fixed supporting piece, the first connecting rod assembly drives the second connecting rod assembly to rotate through the transmission piece, and the seat moves towards the front end of the seat along the depth direction of the seat; when the seat support rises relative to the fixed supporting piece, the first connecting rod assembly drives the second connecting rod assembly to rotate reversely through the transmission piece, and the seat support moves reversely along the depth direction of the seat support and is far away from the front end of the seat support.

However, the seat structure mentioned in the above patent requires the adjustment of the seat depth depending on the weight of the user himself, and the automatic adjustment of the seat depth cannot be achieved.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides an adjustable seat utensil carries out automatically regulated to cushion and back through setting up adjusting device for the seat of cushion can carry out automatically regulated deeply, makes the user can obtain better position of sitting and experience.

In order to achieve the above object, the utility model provides a following technical scheme:

an adjustable seat comprises a base, a seat cushion, a backrest and armrests, wherein the seat cushion and the backrest are adjusted through relative movement of an adjusting device, and then the sitting depth of the seat cushion is adjusted.

As a modification, the adjusting device is mounted at the bottom of the seat cushion, and drives the backrest to move and adjust along the sitting depth direction of the seat cushion.

As an improvement, the adjusting device comprises a pusher, one end of the pusher is fixedly connected with the seat cushion, and the other end of the pusher is connected with the backrest.

As an improvement, the adjusting device further comprises a connecting mechanism for connecting and installing the backrest and the pusher;

the connecting mechanism comprises a mounting seat, a swinging arm and a connecting arm;

two groups of mounting seats are arranged, the mounting seats are symmetrically arranged on two sides of the cushion seat in the width direction, and waist holes are formed in the mounting seats;

the bottom of the swing arm is connected with the pusher through a cross rod, and the cross rod penetrates through the waist hole;

the top of the connecting arm is fixedly connected with the backrest, the bottom of the connecting arm is rotatably connected with the mounting seat, and the middle of the connecting arm is rotatably connected with the top of the swing arm.

As an improvement, the adjusting device further comprises a control mechanism, the control mechanism is installed at the bottom of the seat cushion, and the control mechanism controls the pusher to work.

As an improvement, the cushion is slidably mounted on the base in a vertical direction, so that the sitting posture height of the cushion can be adjusted.

As an improvement, a stand column is vertically arranged on the base, and the cushion is slidably sleeved on the stand column through a sliding sleeve.

As an improvement, a tightness switch is arranged on the sliding sleeve and controls the sliding sleeve to tightly hold the upright post.

As an improvement, a plurality of positioning holes are formed in the upright column along the length direction of the upright column, and a bolt inserted into the positioning holes is arranged on the sliding sleeve.

The beneficial effects of the utility model reside in that:

(1) The utility model automatically adjusts the cushion and the backrest by arranging the adjusting device, so that the seat depth of the cushion can be automatically adjusted, and a user can obtain better sitting posture experience;

(2) The utility model discloses an utilize the cooperation of stand and sliding sleeve, realize the regulation of cushion height, and adjust and accomplish the back, can utilize the fixed positioning that elasticity switch and bolt realized the cushion.

To sum up, the utility model has the advantages of design benefit, simple operation, be particularly useful for seat technical field.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a partial schematic view of an embodiment of the present invention;

fig. 4 is a schematic partial structural diagram of the embodiment of the present invention;

fig. 5 is a schematic perspective view of a second embodiment of the present invention;

fig. 6 is a schematic view of the cross-sectional structure of the plug of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1:

as shown in fig. 1 to 4, an adjustable seating furniture comprises a base 1, a seat cushion 2, a backrest 3 and armrests 4, wherein the seat cushion 2 and the backrest 3 are relatively moved and adjusted through an adjusting device 5, and the seating depth of the seat cushion 2 is further adjusted.

Wherein, the adjusting device 5 is installed at the bottom of the seat cushion 2, and the adjusting device 5 drives the backrest 3 to move and adjust along the sitting depth direction of the seat cushion 2.

Further, the adjusting device 5 comprises a pusher 51, one end of the pusher 51 is fixedly connected with the seat cushion 2, and the other end of the pusher 51 is connected with the backrest 3.

Furthermore, the adjusting device 5 further comprises a connecting mechanism 52, wherein the connecting mechanism 52 is used for connecting the backrest 3 and the pusher 51;

the connecting mechanism 52 comprises a mounting seat 521, a swing arm 522 and a connecting arm 523;

two groups of mounting seats 521 are arranged, the mounting seats 521 are symmetrically mounted on two sides of the seat cushion 2 in the seat width direction, and waist holes 520 are formed in the mounting seats 521;

the bottom of the swing arm 522 is connected with the pusher 51 through a cross bar 511, and the cross bar 511 is arranged in the waist hole 520 in a penetrating manner;

the top of the connecting arm 523 is fixedly connected with the backrest 3 through the armrest 4, the bottom of the connecting arm 523 is rotatably connected with the mounting seat 521, and the middle of the connecting arm 523 is rotatably connected with the top of the swing arm 522.

In addition, the adjusting device 5 further comprises a control mechanism 53, the control mechanism 53 is installed at the bottom of the seat cushion 2, and the control mechanism 53 controls the pusher 51 to work.

It should be noted that the pusher 51 of the present application is preferably a pneumatic push rod, and the control mechanism 53 is preferably various switches for controlling the pneumatic push rod, when the seat depth of the seat cushion 2 needs to be adjusted, the pusher 51 is started by triggering the switch, and the cross bar 511 is driven to slide along the waist hole 520, so that the swing arm 522 swings, and the included angle between the swing arm 522 and the connecting arm 523 is changed, so that the backrest 3 is moved and adjusted along the seat depth direction of the seat cushion 2.

Example 2:

FIG. 4 is a schematic structural diagram of a second embodiment of an adjustable seat of the present invention; as shown in fig. 4, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment shown in fig. 1 in that:

as shown in fig. 5 and 6, a plurality of rollers 11 for moving the seat are installed at the bottom of the base 1.

Further, the seat cushion 2 is slidably mounted on the base 1 along the vertical direction, so that the sitting posture of the seat cushion 2 can be adjusted in height.

Furthermore, a vertical column 12 is vertically arranged on the base 1, and the seat cushion 2 is slidably sleeved on the vertical column 12 through a sliding sleeve 21.

Preferably, a slack switch 211 is arranged on the sliding sleeve 21, and the slack switch 211 controls the sliding sleeve 21 to tightly hold the upright post 12.

More preferably, the upright 12 is provided with a plurality of positioning holes 111 along the length direction thereof, and the sliding sleeve 21 is provided with a bolt 212 inserted into the positioning holes 111.

It should be noted that, the seat cushion 2 is matched with the upright post 12 through the sliding sleeve 21 to adjust the height of the seat cushion, when adjusting, the sliding sleeve 21 is opened by using the elastic switch 211, and the bolt 212 is simultaneously pulled out from the positioning hole 111, then the seat cushion 2 is adjusted along the upright post, after adjusting, the elastic switch 211 is closed again, and then the bolt 212 is reset and inserted back into the positioning hole 111.

It is further noted that the structure of the release switch 211 is similar to the structure of a lock switch on a bicycle seat.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An adjustable seat comprises a base (1), a cushion (2), a backrest (3) and armrests (4), and is characterized in that the cushion (2) and the backrest (3) are relatively moved and adjusted through an adjusting device (5), so that the sitting depth of the cushion (2) is adjusted;

the adjusting device (5) comprises a pusher (51) and a connecting mechanism (52);

one end of the pusher (51) is fixedly installed and connected with the seat cushion (2), and the other end of the pusher (51) is installed and connected with the backrest (3);

the connecting mechanism (52) is used for connecting and installing the backrest (3) and the pusher (51), and the connecting mechanism (52) comprises a mounting seat (521), a swing arm (522) and a connecting arm (523);

two groups of mounting seats (521) are arranged, the mounting seats (521) are symmetrically mounted on two sides of the seat cushion (2) in the seat width direction, and waist holes (520) are formed in the mounting seats (521);

the bottom of the swing arm (522) is connected with the pusher (51) through a cross rod (511), and the cross rod (511) is arranged in the waist hole (520) in a penetrating manner;

the top of the connecting arm (523) is fixedly connected with the backrest (3), the bottom of the connecting arm (523) is rotatably connected with the mounting seat (521), and the middle of the connecting arm (523) is rotatably connected with the top of the swing arm (522).

2. An adjustable seating furniture according to claim 1, wherein:

the adjusting device (5) is arranged at the bottom of the seat cushion (2), and the backrest (3) is driven by the adjusting device (5) to move and adjust along the sitting depth direction of the seat cushion (2).

3. An adjustable seating furniture according to claim 1, wherein:

the adjusting device (5) further comprises a control mechanism (53), the control mechanism (53) is installed at the bottom of the seat cushion (2), and the control mechanism (53) controls the pusher (51) to work.

4. An adjustable seating furniture according to claim 1, wherein:

the bottom of the base (1) is provided with a plurality of rollers (11) for moving the seat.

5. An adjustable seating furniture according to claim 1, wherein:

cushion (2) along vertical direction slidable mounting in on base (1), make the position of sitting height-adjustable setting of cushion (2).

6. An adjustable seating furniture according to claim 1, wherein:

the seat is characterized in that a stand column (12) is vertically arranged on the base (1), and the seat cushion (2) is slidably sleeved on the stand column (12) through a sliding sleeve (21).

7. An adjustable seating furniture according to claim 6, wherein:

the sliding sleeve (21) is provided with a slack switch (211), and the slack switch (211) controls the sliding sleeve (21) to tightly hold the upright post (12).

8. An adjustable seating furniture according to claim 6, wherein:

a plurality of positioning holes (111) are formed in the upright column (12) along the length direction of the upright column, and a bolt (212) inserted into the positioning holes (111) is arranged on the sliding sleeve (21).