CN214386627U

CN214386627U - Desk and chair for ladder classroom

Info

Publication number: CN214386627U
Application number: CN202120052893.XU
Authority: CN
Inventors: 高林; 吴建国; 李军
Original assignee: Chengdu Shenghong Technology Co ltd
Current assignee: Chengdu Shenghong Technology Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-15
Anticipated expiration: 2031-01-08

Abstract

The application relates to a desk chair for ladder classroom, it includes the seat row that forms by a plurality of chair combinations, the chair includes the supporting seat, the one side of supporting seat is rotated and is provided with the seat, the another side of supporting seat slides and is provided with the table, the bottom of supporting seat is provided with the support piece that is used for subaerial support supporting seat, the both sides of seat row all can be dismantled and be provided with additional chair. The present application has the effect of facilitating the addition of seats.

Description

Desk and chair for ladder classroom

Technical Field

The application relates to the field of teaching facilities, in particular to a desk and chair for a ladder classroom.

Background

The classroom with the ladder is mainly characterized in that the floor is gradually raised in the ladder shape, the farther the floor is away from a platform, the higher the floor is, and the higher the seat is, so that students far away from the platform and behind the seat can clearly see the blackboard and the platform without being blocked by the front-row students; in a university, the number of people in a stairwell classroom may increase dramatically in order for a more popular teacher to give lessons.

The existing Chinese patent with the publication number of CN212165287U discloses a desk and chair for a ladder classroom, and the key points of the technical scheme are as follows: the foldable table comprises a supporting plate, the inside first landing leg of first fixed axle fixedly connected with that passes through of backup pad upper end one side, first landing leg one side surface fixedly connected with seat supporting shoe, the inside second landing leg of second fixed axle fixedly connected with that passes through of backup pad lower extreme one side, fixed mounting has the rotation axis between first landing leg and the second landing leg, second landing leg one end is through third fixed axle fixedly connected with seat, backup pad opposite side fixedly connected with desktop support piece, objective table and flexible support cover, desktop support piece upper end fixedly connected with desktop board, the equal fixedly connected with hinge bar in desktop support piece and objective table both sides, the inside upper end fixed mounting of flexible support cover has the bracing piece.

In view of the above-mentioned related technologies, the inventor believes that the desk and chair is pre-installed in a classroom ladder when in use, and the defect of inconvenient seat addition is caused when the number of people suddenly increases in the classroom ladder.

SUMMERY OF THE UTILITY MODEL

In order to add a seat, the desk and chair for the classroom ladder is provided.

The application provides a desk chair for ladder classroom adopts following technical scheme:

the desk and chair for the stepped classroom comprises a seat row formed by combining a plurality of chairs, wherein the chair comprises a supporting seat and a backrest, one surface of the backrest is rotatably provided with a seat plate, the other surface of the backrest is slidably provided with a table plate, the bottom of the supporting seat is provided with a supporting piece for supporting the supporting seat on the ground, and both sides of the seat row can be detachably provided with additional chairs.

Through adopting above-mentioned technical scheme, the seat row is fixed to be set up in the ladder classroom, and when the chair in the ladder classroom was not enough used, can add additional chair in the both sides of seat row, additional chair can dismantle the setting on the seat row, when need not use, can dismantle additional chair for additional chair occupation space not has, has the effect of being convenient for adjust the interior seat number of ladder classroom.

Optionally, a connecting block is arranged on one side of the additional chair, a connecting groove is formed in one side of the chair and located on the supporting seat, and the connecting block is in clearance fit with the connecting groove.

Through adopting above-mentioned technical scheme, the connecting block on the additional chair can slide in the spread groove on the chair, when connecting seat row and additional chair, inserts the connecting block in the spread groove, just can let the additional chair connect on the chair, and the cooperation of connecting block and spread groove can let the chair bigger with the area of contact of additional chair for connection structure is more stable.

Optionally, the side wall of the connecting groove is provided with a fixing rod on the supporting seat in a penetrating manner, and the connecting block is provided with a fixing hole in clearance fit with the fixing rod.

Through adopting above-mentioned technical scheme, after inserting the connecting block in the spread groove, insert the dead lever in the spread groove again, insert the connecting block through the fixed orifices on, just can restrict the connecting block in the spread groove for the additional chair is difficult for the seat row that drops, thereby fixes the additional chair on the seat row.

Optionally, the support piece includes the bracing piece, the bracing piece is fixed to be set up on the supporting seat, the fixed plate that is provided with of one end that the supporting seat was kept away from to the bracing piece, the one side and the ground laminating of bracing piece are kept away from to the fixed plate, wear to be equipped with a plurality of fixing bolt on the fixed plate.

Through adopting above-mentioned technical scheme, the bracing piece provides the support for the supporting seat, and fixing bolt on the fixed plate can be fixed the fixed plate subaerial to can fix the supporting seat subaerial, and the fixed plate can increase the area of contact between bracing piece and the ground, make the bracing piece more stable at subaerial fixed knot structure.

Optionally, be provided with a plurality of sliders on the table, many spouts have been seted up on the chair, slider and spout sliding fit, still wear to be equipped with the limiting plate on the slider, set up a plurality of and limiting plate clearance fit's spacing groove on the supporting seat.

By adopting the technical scheme, the desk plate can slide in the sliding groove on the supporting seat through the sliding block, so that the distance between the desk plate and the ground is changed, a user can adjust the height of the desk plate according to the requirement when using the desk plate, and the desk plate is more convenient to use; the limiting plate can be inserted into the limiting groove, so that the position of the sliding block in the sliding groove is limited.

Optionally, one surface of the table board, which is close to the ground, is fixedly provided with a plurality of inclined rods, a plurality of supporting blocks are arranged on the inclined rods, and the supporting blocks are in sliding fit with the sliding grooves.

Through adopting above-mentioned technical scheme, the down tube can constitute the triangle structure with table and supporting seat to for the table provides the support, and the down tube can slide in the spout through the supporting shoe, and slide along with the slip of table, make the structure of table on the supporting seat more stable.

Optionally, a rotating block is arranged on the seat plate, a rotating shaft penetrates through the rotating block, a rotating groove is formed in the supporting seat, the rotating shaft is in rotating fit with the rotating groove, a protruding block is further arranged on the supporting seat and located on one side of the rotating groove, and the seat plate is attached to the protruding block when put down.

Through adopting above-mentioned technical scheme, the axis of rotation on the seat is rotating the inslot internal rotation, can drive the seat and rotate on the supporting seat, when needs use, puts down the seat, when need not use, can pack up the seat to convenience when the reinforcing uses.

Optionally, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected with the seat plate, and the other end of the torsion spring is connected with the supporting seat.

Through adopting above-mentioned technical scheme, the torsional spring makes the seat have the trend of being close to the supporting seat all the time, and when not using the seat, the torsional spring can drive the seat and be close to the torsional spring, does not need the manual seat of transferring back of user.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the additional chairs are detachably arranged on one side of the seat row, when the chairs in the ladder classroom are not enough, the additional chairs can be added on the two sides of the seat row, and when the chairs are not needed to be used, the additional chairs can be detached, so that the additional chairs do not occupy space, and the effect of conveniently adjusting the number of seats in the ladder classroom is achieved;

2. the fixing rod penetrates through the side wall of the connecting groove, the fixing hole in clearance fit with the fixing rod is formed in the connecting block, the fixing rod is inserted into the connecting groove after the connecting block is inserted into the connecting groove, the connecting block can be limited in the connecting groove by inserting the fixing rod into the connecting block through the fixing hole, the additional chair is not prone to falling off, and therefore the additional chair is fixed on the chair row;

3. this application is through setting up the slider on the table, offers many spouts on the chair, slider and spout sliding fit, and the table passes through the slider, can slide in the spout on the supporting seat to change the distance between table and the ground, the user can adjust the height of table according to the demand of oneself when using, and is more convenient during the use.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded schematic view of a seat row according to an embodiment of the present application;

figure 3 is an exploded view of an additional chair according to an embodiment of the present application.

Description of reference numerals: 1. a seat row; 11. a chair; 2. a supporting seat; 21. a chute; 22. a backrest; 23. connecting grooves; 24. fixing the rod; 241. a large head; 25. a limiting plate; 26. a rotating groove; 27. a bump; 3. a seat plate; 31. rotating the block; 311. a rotating shaft; 312. a torsion spring; 32. a flexible pad; 4. a table plate; 41. a slider; 411. a limiting groove; 42. a diagonal bar; 421. a support block; 5. a support member; 51. a support bar; 511. a fixing plate; 512. fixing the bolt; 6. an additional chair; 61. connecting blocks; 611. and (7) fixing holes.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a desk and chair for a ladder classroom. Referring to fig. 1, a desk and chair for a stairstep classroom comprises a plurality of chairs 11, wherein the chairs 11 are combined to form a chair row 1, and the chair row 1 is fixedly arranged in the stairstep classroom; the chair 11 comprises a supporting seat 2 and a backrest 22, the supporting seat 2 is arranged on two sides of the backrest 22, one side of the backrest 22 is rotatably provided with a seat plate 3, the other side of the backrest 22 is slidably provided with a table plate 4, when the chair is used, a user sits on the seat plate 3, a user in the rear row can use the table plate 4 in the front row, and the table plate 4 is used for placing articles or writing; the seat row 1 can be applied to an environment in a stairway classroom, and the seat plate 3 is rotatably disposed on the backrest 22, so that a certain space can be saved, and a user sitting in the middle can conveniently enter or leave the seat.

Referring to fig. 1 and 2, a support 5 is arranged at the bottom of the support base 2, the support 5 is used for supporting the support base 2 on the ground, the support 5 includes a support rod 51 and a fixing plate 511, the support rod 51 is fixedly arranged on the support base 2, the fixing plate 511 is welded at one end of the support rod 51 far away from the support base 2, one surface of the fixing plate 511 far away from the support rod 51 is attached to the ground, and a plurality of fixing bolts 512 are arranged on the fixing plate 511 in a penetrating manner; when fixing the supporting seat 2, with the fixed plate 511 with ground laminating, then screw in the fixing bolt 512 on the fixed plate 511 to ground, just can fix the supporting seat 2 subaerial, the installation is dismantled all more conveniently.

Referring to fig. 1 and 2, a plurality of sliders 41 are arranged on the table plate 4, a plurality of sliding grooves 21 are formed in the chair 11, a plurality of inclined rods 42 are fixedly arranged on one surface, close to the ground, of the table plate 4, supporting blocks 421 are arranged on the plurality of inclined rods 42, the sliders 41 and the supporting blocks 421 are in sliding fit with the sliding grooves 21, and the cross sections of the sliders 41, the supporting blocks 421 and the sliding grooves 21 are in T shapes; the table plate 4 can move on the chair 11 through the slider 41, so that the height of the table plate 4 can be adjusted, a user can adjust the height of the table plate 4 according to the requirement of the user, and the chair has the effect of convenience in use. And the slider 41 and the supporting shoe 421 of T shape restrict the table 4 on chair 11 for table 4 is difficult for droing chair 11, and down tube 42 can provide the support for table 4 on chair 11, forms triangular structure between table 4, chair 11 and the down tube 42, makes the structure of table 4 on chair 11 more stable, and difficult emergence slope, and can bear bigger pressure.

Referring to fig. 1 and 2, a limiting plate 25 is further arranged on the sliding block 41 in a penetrating manner, and a plurality of limiting grooves 411 in clearance fit with the limiting plate 25 are formed on the supporting seat 2; after the desk plate 4 slides on the chair 11, the limiting plate 25 is inserted into the sliding block 41 through the limiting groove 411, so that the position of the sliding block 41 on the supporting seat 2 can be limited, the position of the desk plate 4 on the chair 11 is limited, and the chair is more convenient to use.

Referring to fig. 1 and 2, the seat 3 is welded with a rotating block 31, the rotating block 31 is provided with a rotating shaft 311 in a penetrating manner, the supporting seat 2 is provided with a rotating groove 26, the rotating shaft 311 is in rotating fit with the rotating groove 26, and the rotating shaft 311 can rotate in the rotating groove 26, so that the seat 3 is driven to rotate on the chair 11, and when the seat is not used, the seat 3 can be folded up, and the person can conveniently go in and out. The cover is equipped with torsional spring 312 on the axis of rotation 311, and the one end and the seat 3 of torsional spring 312 are connected, and the other end and the supporting seat 2 of torsional spring 312 are connected, and torsional spring 312 makes seat 3 have the trend towards back 22 pivoted all the time, and when not having the user to use, seat 3 can be withdrawed automatically, and it is more convenient to use. The supporting seat 2 is further provided with a convex block 27, the convex block 27 is located on one side of the rotating groove 26, the seat 3 is attached to the convex block 27 when being put down, the convex block 27 can provide support for coordinates, and the seat 3 is not easy to turn over when the seat 3 is used.

With reference to fig. 1 and 2, both sides of the seat row 1 are detachably provided with additional chairs 6; when the number of people is large in a stairclassroom, the additional chairs 6 can be mounted on the two sides of the seat row 1 to temporarily increase the positions, and when the chair is not used, the additional chairs 6 can be detached from the seat row 1, so that the effect of conveniently increasing the positions is achieved.

Referring to fig. 2 and 3, the additional chair 6 is also provided with the support seat 2 and the backrest 22, but the support seat 2 is provided on only one side of the additional chair 6, the fixing plate 511 is welded on one end of the support rod 51 on the additional chair 6 close to the ground, but the fixing bolt 512 is not provided on the fixing plate 511, and after the additional chair 6 is installed on both sides of the seat row 1, the side of the additional chair 6 where the support seat 2 is not provided is connected with the support seat 2 on the seat row 1, and is supported by the existing support seat 2; the additional chair 6 is the same as the chair 11 except that the fixing bolt 512 and the table plate 4 are not provided.

Referring to fig. 2 and 3, a connecting block 61 is arranged on one side of the additional chair 6, a connecting groove 23 is formed in one side of the chair 11 and positioned on the supporting seat 2, and the connecting block 61 is in clearance fit with the connecting groove 23; when the additional chair 6 is installed, the additional chair 6 can be connected to the seat row 1 by inserting the connecting block 61 into the connecting groove 23. Fixing rods 24 penetrate through the side walls of the connecting grooves 23 and are located on the supporting seat 2, fixing holes 611 in clearance fit with the fixing rods 24 are formed in the connecting blocks 61, after the connecting blocks 61 are inserted into the connecting grooves 23, the fixing rods 24 are inserted into the fixing holes 611 in the connecting blocks 61, the positions of the connecting blocks 61 can be limited in the connecting grooves 23, and the additional chair 6 is made to be not prone to falling off and is arranged in the seat row 1. The fixing rod 24 is further provided with a large head portion 241, and after the fixing rod 24 is inserted into the supporting seat 2, the position of the fixing rod 24 can be guaranteed to a certain extent by the large head portion 241, so that the fixing rod is more convenient to pull up. There is an effect of facilitating the mounting and dismounting of the additional chair 6.

The implementation principle of the desk and chair for the ladder classroom in the embodiment of the application is as follows: when the seat row 1 is installed, firstly, the seat row 1 is installed at a preset position, the fixing plate 511 is attached to the preset position, and then the fixing bolt 512 is screwed into the ground to complete installation; when the height of the table plate 4 needs to be adjusted, the limiting plate 25 is pulled out firstly, then the table plate 4 slides on the backrest 22, and after the adjustment is finished, the limiting plate 25 is inserted back to limit the height of the table plate 4; when seats need to be added, the additional chair 6 can be connected to the seat row 1 by inserting the connecting block 61 into the connecting groove 23 and then inserting the fixing rod 24 into the fixing hole 611, so that the effect of adding positions is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a desk chair for ladder classroom, includes seat row (1) that forms by a plurality of chairs (11) combination, chair (11) are including supporting seat (2) and back (22), the one side of back (22) is rotated and is provided with seat (3), the another side of back (22) slides and is provided with table (4), the bottom of supporting seat (2) is provided with support piece (5) that are used for subaerial support supporting seat (2), its characterized in that: the two sides of the seat row (1) can be detachably provided with additional chairs (6).

2. The desk and chair for a stairclassroom as claimed in claim 1, wherein: one side of additional chair (6) is provided with connecting block (61), one side of chair (11) just is located and sets up spread groove (23) on supporting seat (2), connecting block (61) and spread groove (23) clearance fit.

3. The desk and chair for a stairclassroom as claimed in claim 2, wherein: the side wall of connecting groove (23) just is located and wears to be equipped with dead lever (24) on supporting seat (2), set up on connecting block (61) with dead lever (24) clearance fit's fixed orifices (611).

4. The desk and chair for a stairclassroom as claimed in claim 1, wherein: support piece (5) include bracing piece (51), bracing piece (51) are fixed to be set up on supporting seat (2), the fixed plate (511) that is provided with of one end that supporting seat (2) were kept away from in bracing piece (51), the one side and the ground laminating of bracing piece (51) are kept away from in fixed plate (511), wear to be equipped with a plurality of fixing bolt (512) on fixed plate (511).

5. The desk and chair for a stairclassroom as claimed in claim 1, wherein: be provided with a plurality of sliders (41) on table (4), many spout (211) have been seted up on chair (11), slider (41) and spout (211) sliding fit, limiting plate (25) still wear to be equipped with on slider (41), set up a plurality of and limiting plate (25) clearance fit's spacing groove (411) on supporting seat (2).

6. The desk and chair for a stairclassroom as claimed in claim 5, wherein: the desk plate is characterized in that one surface, close to the ground, of the desk plate (4) is fixedly provided with a plurality of inclined rods (42), a supporting block (421) is arranged on each inclined rod (42), and the supporting block (421) is in sliding fit with the sliding groove (211).

7. The desk and chair for a stairclassroom as claimed in claim 1, wherein: be provided with turning block (31) on seat (3), wear to be equipped with axis of rotation (311) on turning block (31), rotation groove (26) have been seted up on supporting seat (2), axis of rotation (311) and rotation groove (26) normal running fit, still be provided with lug (27) on supporting seat (2), lug (27) are located the one side of rotation groove (26), laminate mutually with lug (27) when seat (3) are put down.

8. The desk and chair for a stairclassroom as claimed in claim 7, wherein: the rotating shaft (311) is sleeved with a torsion spring (312), one end of the torsion spring (312) is connected with the seat plate (3), and the other end of the torsion spring (312) is connected with the supporting seat (2).