CN216675247U

CN216675247U - Learning chair

Info

Publication number: CN216675247U
Application number: CN202220122256.XU
Authority: CN
Inventors: 牛治影
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-07
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a learning chair which comprises a stool, a backrest and chair legs, wherein the upper ends of the chair legs are provided with stand columns, the stool and the backrest installation seat are arranged on the stand columns, the stool comprises a seat cushion and a base, the seat cushion is arranged on the base, a backrest support piece and a seat cushion fixing piece are arranged on the stand columns, a cross beam is arranged on the seat cushion fixing piece, one end of the cross beam extends into the base, a locking bolt is arranged on the cross beam, the back surface of the backrest is provided with a boss, and the backrest fixing piece is arranged between the boss and the backrest support piece; the utility model can complete the lifting adjustment of the seat cushion and the backrest, is convenient for the adjustment of the sitting posture and is comfortable for sitting up; and meanwhile, the assembly is convenient.

Description

Learning chair

Technical Field

The utility model relates to a learning chair.

Background

The learning chair is mainly used for students to learn; under the influence of living standard and social development, parents pay special attention to the learning health of children, so the styles of learning chairs are concerned, and how to select a comfortable learning chair which is also suitable for students is more important; therefore, in order to meet the requirements of people in the existing market, different learning chairs are developed, and different developers make a lot of designs aiming at different age groups, different scenes and the like; thus, learning chairs of different designs have different structural characteristics.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a learning chair which is convenient to use, simple to operate, comfortable to sit up and convenient to adjust the sitting posture, can complete the lifting adjustment of a seat cushion and a backrest and has practicability and wide application range.

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

the utility model provides a study chair, is including sitting bench, back and chair foot, the stand is installed to chair foot upper end, sits bench and back mount pad on the stand, sit the bench and include seatpad and base, the seatpad is installed on the base, install back support piece and seatpad mounting on the stand, install the crossbeam on the seatpad mounting, the one end of crossbeam extends to the inside of base, be equipped with the locking bolt on the crossbeam, the back of back is equipped with the boss, be equipped with the back mounting between boss and the back support piece.

Preferably, the backrest support member is provided with a connecting member, and one side of the connecting member, which is connected with the backrest fixing member, is provided with a positioning groove.

This setting has been convenient for location, equipment between connecting piece and the back support piece through the effect of constant head tank.

Preferably, the backrest fixing part is connected with the connecting part, a clamping groove is formed in one side, connected with the backrest fixing part, of the connecting part, an inserting platform matched with the clamping groove is arranged on the backrest fixing part, and countersunk screw holes are formed in the clamping groove.

This setting, through the draw-in groove and the effect of grafting platform, the installation or the dismantlement of back of having been convenient for, through the setting of countersunk screw, also be convenient for the insertion of grafting platform when having reduced the connecting piece installation to occuping of space simultaneously.

Preferably, the backrest comprises a first backrest and a second backrest, and a gap is formed between the first backrest and the second backrest.

This setting, the support of user's back is accomplished through the effect of back for chair end is sat, is leaned on more comfortablely behind through the reservation in clearance.

Preferably, the upright post is provided with a plurality of positioning holes, the backrest support piece and the seat cushion fixing piece are both provided with connectors matched with the positioning holes, and the seat cushion fixing piece is also provided with a lock catch.

This setting is accomplished through the effect of locating hole and connector and is sat the bench and the back and reciprocate the fixed of in-process.

Preferably, the bottom of the chair leg is provided with four pulleys, an auxiliary wheel is arranged between the four pulleys, and the auxiliary wheel is fixed on the chair leg.

This setting makes the chair remove convenience more through the effect of pulley, alleviates the pressure that receives in the middle of the chair foot through the effect of auxiliary wheel, and the person of being convenient for removes when sitting up.

Preferably, a handle is installed at the top of the upright post.

This setting is moved or is dragged whole chair through the effect of handle for it is more convenient to remove.

The utility model has the beneficial effects that: convenient to use, easy operation can accomplish the lift adjustment of seatpad and back, and the end is sat comfortablely, and the position of sitting of being convenient for adjusts, and it has practicality and the universality of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the present invention is not limited to the scope of the present invention.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic view of the back support structure of the present invention;

FIG. 5 is a schematic view of the backrest fastener of the present invention;

FIG. 6 is a schematic view of a connector structure of the present invention;

FIG. 7 is a schematic view of the connector structure of the present invention;

the chair comprises a seat cushion 1, a backrest I2, a backrest II 3, a backrest II 4, chair legs 5, pulleys 6, auxiliary wheels 7, a boss 8, a backrest fixing piece 9, a handle 10, an upright post 11, a backrest supporting piece 12, a seat cushion fixing piece 13, a lock catch 14, a cross beam 15, a locking bolt 16, a connector 16, a positioning hole 17, an insertion table 18, a countersunk head screw hole 19, a connecting piece 20, a clamping groove 21, a positioning groove 22 and a base 23.

Detailed Description

Referring to fig. 1 to 7, the learning chair comprises a stool, a backrest and chair legs 4, wherein a vertical column 10 is installed at the upper end of the chair legs 4, the stool and the backrest installation seat are installed on the vertical column 10, the stool comprises a seat cushion 1 and a base 23, the seat cushion 1 is installed on the base 23, a backrest support member 11 and a seat cushion fixing member 12 are installed on the vertical column 10, a cross beam 14 is installed on the seat cushion fixing member 12, one end of the cross beam 14 extends into the base 23, a locking bolt 15 is arranged on the cross beam 14, a boss 7 is arranged on the back surface of the backrest, and a backrest fixing member 8 is arranged between the boss 7 and the backrest support member 11.

Further, a connecting piece 20 is installed on the backrest support 11, and a positioning groove 22 is formed at one side of the connecting piece 20 connected with the backrest fixing piece 8.

Further, the backrest fixing member 8 is connected with a connecting member 20, a clamping groove 21 is formed in one side, connected with the backrest fixing member 8, of the connecting member 20, an inserting platform 18 matched with the clamping groove 21 is arranged on the backrest fixing member 8, and countersunk screw holes 19 are formed in the clamping groove 21.

Further, the backrest comprises a first backrest 2 and a second backrest 3, and a gap is formed between the first backrest 2 and the second backrest 3.

Furthermore, a plurality of positioning holes 17 are formed in the upright post 10, connectors 16 matched with the positioning holes are mounted on the backrest support member 11 and the seat cushion fixing member 12, and a latch 13 is mounted on the seat cushion fixing member 12.

Further, pulleys 5 are installed at the bottom of the chair leg 4, the number of the pulleys 5 is four, an auxiliary wheel 6 is arranged between the four pulleys, and the auxiliary wheel 6 is fixed on the chair leg 4.

Further, a handle 9 is installed on the top of the upright post 10.

Furthermore, the structure of the plug-in platform is that the outside is big and the inside is little, and the structure of the draw-in groove is that the outside is little and the inside is big, and the plug-in platform agrees with the draw-in groove perfectly.

When the backrest is used, when the height of the backrest needs to be adjusted, the connector on the backrest support piece is loosened, the backrest moves up and down and is adjusted to a proper position, then the backrest support piece is fixed on the upright post through the connector, and in the process, one end of the connector is inserted into the positioning hole of the upright post.

When the bench needs height-adjusting, loosen the hasp earlier, the connector on the back pine cushion mounting, then reciprocate bench to suitable position, then fixed connector, fixed hasp at last to accomplish the lift adjustment of bench.

When the stool needs to be adjusted forwards and backwards, the locking bolt is loosened, the stool moves forwards and backwards to a proper position along the cross beam, and finally the stool and the cross beam are fixed through the locking bolt.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A learning chair, its characterized in that: including sitting bench, back and chair foot, the stand is installed to chair foot upper end, sits bench and back mount pad on the stand, sit the bench and include seatpad and base, the seatpad is installed on the base, install back support piece and seatpad mounting on the stand, install the crossbeam on the seatpad mounting, the one end of crossbeam extends to the inside of base, be equipped with the locking bolt on the crossbeam, the back of back is equipped with the boss, be equipped with the back mounting between boss and the back support piece.

2. A chair according to claim 1, wherein: the backrest support piece is provided with a connecting piece, and one side of the connecting piece, which is connected with the backrest fixing piece, is provided with a positioning groove.

3. A chair according to claim 2, wherein: the backrest fixing piece is connected with the connecting piece, a clamping groove is formed in one side, connected with the backrest fixing piece, of the connecting piece, an inserting platform matched with the clamping groove is arranged on the backrest fixing piece, and a countersunk screw hole is formed in the clamping groove.

4. A chair according to claim 1, wherein: the backrest comprises a first backrest and a second backrest, and a gap is formed between the first backrest and the second backrest.

5. A chair according to claim 1, wherein: the upright post is provided with a plurality of positioning holes, the backrest support piece and the seat cushion fixing piece are both provided with connectors matched with the positioning holes, and the seat cushion fixing piece is also provided with a lock catch.

6. A chair according to claim 1, wherein: the bottom of chair foot is installed the pulley, the pulley is four, is equipped with an auxiliary wheel between four pulleys, auxiliary wheel fixes on the chair foot.

7. A chair according to claim 1, wherein: and a handle is arranged at the top of the upright post.