CN210727099U

CN210727099U - Multifunctional chair for classroom

Info

Publication number: CN210727099U
Application number: CN201921051013.6U
Authority: CN
Inventors: 翟天然
Original assignee: Bengbu College
Current assignee: Bengbu College
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-06-12
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a multifunctional classroom chair, which comprises a chair, wherein a backrest is fixedly arranged on the chair, a hollow supporting leg is fixedly arranged at the bottom of one side of the chair, which is far away from the backrest, a telescopic rod is movably inserted in the through hole, a rotating seat is fixedly arranged at one end of the telescopic rod, which is far away from the hollow supporting leg, a stationery placing box is movably arranged in the telescopic box, a wedging block is fixedly arranged at one end of the telescopic connecting rod, which is far away from the telescopic sleeve, the wedging block and the bottom of the telescopic box are provided with a wedging channel matched and connected, a matching groove is arranged on the telescopic box at one side, and a magnetic adsorption block matched with the matching groove is fixedly arranged on the telescopic box at the other side, the utility model can facilitate students to have noon break without changing the positions of the chair and the backrest, can be used as a supporting plate for noon break, and can also, the desk and chair has the advantages of multiple functions and simple structure, and greatly improves the practicability of the desk and chair.

Description

Multifunctional chair for classroom

Technical Field

The utility model relates to a classroom learning seat technical field specifically is a classroom multifunctional seat.

Background

A multifunctional classroom chair with the application number of 'CN 201711302567.4' in the prior art comprises a base, a seat board, a multi-position hinge mechanism, an adjusting crank, a moving crank, an adjusting rod, a sliding block, a supporting and adjusting rod, an arm supporting rod and a backrest, wherein the adjusting arm supporting rod moves up and down, the clamping position of each student is adjusted according to the height of each student, and the effects of correcting, fixing and drawing the spine are achieved. The position of the backrest is adjusted and fixed through a multi-position hinge mechanism, and meanwhile, the inclination angle of the backrest is adjusted by utilizing an adjusting crank, a movable crank and a sliding block in a crank sliding block mechanism, so that the support adjusting rod is put down to reach the ground to form a tiled bed. The utility model utilizes the crank-slider mechanism for spine correction, thereby avoiding the defects of heavy weight and difficult processing of the rack and pinion; the backrest is inclined by utilizing a hinge connecting rod mechanism and adopting a multi-position hinge, so that the effect of having a lunch break is achieved.

But the multifunctional classroom chair still has obvious defects in the using process: 1. the backrest needs to be put down to form a noon break bed, so that the noon break of students is facilitated, the turnover mode greatly occupies the ground, the limited space is difficult to ensure that all students can have noon break, and the practicability of the device needs to be improved; 2. the device has no effective article storage mechanism and has a single function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional seat in classroom to solve the problem that proposes among the above-mentioned background art.

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

a multifunctional classroom chair comprises a chair, wherein a backrest is fixedly installed on the chair, a hollow supporting leg is fixedly installed at the bottom of one side, away from the backrest, of the chair, a pair of solid supporting legs is fixedly installed at the bottom of one side, close to the backrest, of the chair, a through hole communicated with the hollow supporting leg is formed in the chair, telescopic rods are movably inserted into the through hole, the telescopic rods on two sides extend into the hollow supporting leg through the through hole, transverse positioning holes and longitudinal positioning holes are formed in the hollow supporting leg respectively, a spring is fixedly installed on the telescopic rod, an extrusion plate is fixedly installed on the spring, a positioning ball is fixedly installed on one side, away from the spring, of the extrusion plate, the positioning ball on the telescopic rod is matched and connected with the transverse positioning holes or the longitudinal positioning holes, a rotary seat is fixedly installed at one end, a pair of telescopic guide bars are movably mounted in the sliding guide grooves, the telescopic guide bars are fixedly mounted on two sides of a telescopic box, a stationery placing box is movably mounted in the telescopic box, telescopic sleeve mounting holes are further formed in two sides of the seat, telescopic sleeves are fixedly mounted in the telescopic sleeve mounting holes, telescopic connecting rods are movably inserted in the telescopic sleeves, positioning holes are formed in the telescopic sleeves, springs are mounted on the telescopic connecting rods, extrusion plates are fixedly mounted on the springs, positioning balls are fixedly mounted on the sides, away from the springs, of the extrusion plates, the positioning balls are connected with the positioning holes in a matched mode, wedging blocks are fixedly mounted at one ends, away from the telescopic sleeves, of the telescopic connecting rods, wedging blocks are connected with the bottom of the telescopic box in a matched mode, matching grooves are formed in the telescopic box on one side, and adsorption iron blocks are fixedly mounted in the matching grooves, and a magnetic adsorption block matched with the matching groove is fixedly arranged on the telescopic box on the other side.

Preferably, both sides the flexible box is kept away from cooperation groove and the equal fixed mounting in magnetic adsorption piece one side has the barrier plate, flexible conducting strip is kept away from barrier plate one side fixed mounting has the barrier plate.

Preferably, the seat, the backrest and the telescopic box are all wrapped with leather sleeves, and sponge layers are filled in the leather sleeves.

Preferably, the seat is further fixedly provided with a pair of partition plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can facilitate students to have noon break without changing the positions of the seat and the backrest, and does not occupy extra space during noon break, thereby ensuring that each student can freely have noon break;

2. the utility model discloses not only can regard as the backup pad of noon break, can also regard as handrail, stationery locker and books to place the board and use, the function is various, and simple structure has improved the practicality of this desk chair greatly.

The utility model discloses can make things convenient for the student to carry out noon break under the condition that need not change seat and back position, not only can regard as the backup pad of noon break, can also regard as handrail and stationery locker to use, the function is various, and simple structure has improved the practicality of this desk chair greatly.

Drawings

FIG. 1 is a schematic view of the telescopic case of the present invention when connected;

FIG. 2 is a schematic view of the retractable box of the present invention when it is removed;

FIG. 3 is a schematic view of the three-dimensional structure of the retractable box of the present invention;

FIG. 4 is a schematic view of the matching between the matching groove of the retractable box and the iron block;

FIG. 5 is a schematic view of the positioning ball mounting structure of the present invention;

fig. 6 is a schematic view of the wedge block and wedge track structure of the present invention.

In the figure: the multifunctional chair comprises a seat 1, a backrest 2, hollow supporting legs 3, solid supporting legs 4, telescopic rods 5, transverse positioning holes 6, longitudinal positioning holes 7, springs 8, an extrusion plate 9, positioning balls 10, a rotating seat 11, a sliding guide groove 12, a telescopic guide strip 13, a telescopic box 14, a stationery placing box 15, a telescopic sleeve mounting hole 16, a telescopic sleeve 17, a telescopic connecting rod 18, positioning holes 19, a wedging block 20, a wedging passage 21, a matching groove 22, an adsorption iron block 23, a magnetic adsorption block 24, a blocking plate 25, a blocking block 26 and a partition plate 27.

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.

Referring to fig. 1-6, the present invention provides a technical solution:

a multifunctional classroom chair comprises a chair 1, wherein the chair 1 is used for a student to sit down, a backrest 2 is fixedly installed on the chair 1, the backrest 2 is used for supporting the back of the user, a hollow supporting leg 3 is fixedly installed at the bottom of one side, away from the backrest 2, of the chair 1, a pair of solid supporting legs 4 are fixedly installed at the bottom of one side, close to the backrest 2, of the chair 1, the hollow supporting leg 3 and the solid supporting leg 4 both provide support for the chair 1 and a device connected with the hollow supporting leg 3, a through hole communicated with the hollow supporting leg 3 is formed in the chair 1, telescopic rods 5 are movably inserted in the through holes, the telescopic rods 5 on two sides extend into the hollow supporting leg 3 through the through holes, the telescopic rods 5 can stretch up and down in the hollow supporting leg 3, transverse positioning holes 6 and longitudinal positioning holes 7 are respectively formed in the hollow supporting leg 3, when the telescopic rods 5 rotate to different directions, positioning balls 10 can be matched with the transverse, the telescopic rod 5 is fixedly provided with a spring 8, the spring 8 is fixedly provided with an extrusion plate 9, the spring 8 is used for extruding the extrusion plate 9, one side of the extrusion plate 9 far away from the spring 8 is fixedly provided with a positioning ball 10, the positioning ball 10 is used for being matched with a transverse positioning hole 6 or a longitudinal positioning hole 7 so as to keep the telescopic rod 5 in the state without changing, the positioning ball 10 on the telescopic rod 5 is matched and connected with the transverse positioning hole 6 or the longitudinal positioning hole 7, one end of the telescopic rod 5 far away from the hollow supporting leg 3 is fixedly provided with a rotating seat 11, two sides of the rotating seat 11 are fixedly provided with sliding guide grooves 12, a pair of telescopic guide strips 13 are movably arranged in the sliding guide grooves 12, the telescopic guide strips 13 can stretch and move in the sliding guide grooves 12, the telescopic guide strips 13 are fixedly arranged at two sides of a telescopic box 14, the telescopic box 14 is movably arranged in the sliding guide grooves 12 through the telescopic guide, the stationery can be taken out and stored from the stationery placing box 15 by opening and closing the stationery placing box, telescopic sleeve mounting holes 16 are further formed in two sides of the seat 1, a telescopic sleeve 17 is fixedly mounted in the telescopic sleeve mounting hole 16, a telescopic connecting rod 18 is movably inserted in the telescopic sleeve 17, the telescopic connecting rod 18 can stretch in the telescopic sleeve 17, so that the wedging block 20 and the wedging channel 21 keep the same horizontal height, a positioning hole 19 can be adjusted to be formed in the telescopic sleeve 17 of the telescopic box 14, a spring 8 is also mounted on the telescopic connecting rod 18, a squeezing plate 9 is fixedly mounted on the spring 8, a positioning ball 10 is fixedly mounted on one side of the squeezing plate 9, far away from the spring 8, the positioning ball 10 on the telescopic connecting rod 18 is matched with the positioning hole 19 on the telescopic connecting rod 18, so that the telescopic connecting rod 18 can keep the fixed height and cannot move, and the positioning ball 10 on the telescopic connecting rod 18 is matched and connected with the, telescopic link 18 is kept away from telescopic sleeve 17 one end fixed mounting and is wedged piece 20, it is connected to have wedged 21 cooperation in saying to wedge piece 20 and telescopic box 14 bottom, thereby it is fixed with telescopic box 14 to make wedged 20 say with wedging piece 20 cooperation through rotating telescopic box 14, prevent that it from taking place to rotate around telescopic link 5, the stability when guaranteeing to use as the handrail, cooperation groove 22 has been seted up on the telescopic box 14 of one side, fixed mounting has absorption iron plate 23 in the cooperation groove 22, fixed mounting has and cooperates groove 22 complex magnetic adsorption piece 24 on the telescopic box 14 of opposite side, thereby it guarantees as the stability when the lunch break table uses to adsorb

iron plate

23 and 24 mutual powerful attraction, prevent telescopic box 14 from taking place to rotate around telescopic link 5.

Preferably, a blocking plate 25 is fixedly installed on the side of the telescopic box 14 far from the matching groove 22 and the magnetic adsorption block 24, and a blocking block 26 is fixedly installed on the side of the telescopic guide 13 far from the blocking plate 25, so that the telescopic box 14 can only move in the sliding guide groove 12 without being separated by the blocking plate 25 and the blocking block 26.

As a preferred, all parcel has the leather cover on seat 1, back 2 and the flexible box 14, and it is interior to fill the sponge layer in the leather cover, thereby makes the student sit more comfortable when using above that through the parcel of leather cover and inside packing sponge layer.

Preferably, the seat 1 is further fixedly provided with a pair of partition plates 27, and the partition plates 27 prevent the body of the student from contacting with the devices on both sides of the seat 1, thereby protecting the safety of the devices.

The working principle is as follows: when the telescopic rod is used as a handrail, the heights of the telescopic rod 5 and the telescopic connecting rod 18 are adjusted according to personal use habits, so that the positioning balls 10 in the telescopic rod 5 are matched with the transverse positioning holes 6, the positioning balls 10 of the telescopic connecting rod 18 are matched with the positioning holes 19, the wedging block 20 is matched with the wedging channel 21 by rotating the telescopic box 14, the telescopic box 14 is fixed, the two arms of a student can be put on the telescopic box 14 to support the arms of the student, meanwhile, the stationery placing boxes in the two telescopic boxes 14 can store stationery, when the telescopic rod is used as a noon break supporting plate, the height of the telescopic rods 5 at the two sides is adjusted, the matching grooves 22 are matched with the magnetic adsorption blocks 24, so that the telescopic box 14 is longitudinally fixed, the student can lie on the telescopic box for noon break conveniently, and the height of the telescopic rod 5 can be adjusted by keeping the height of the telescopic boxes 14 at the two sides to be used as a, the function is various.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional seat in classroom, includes seat (1), its characterized in that: fixed mounting has back (2) on seat (1), back (2) one side bottom fixed mounting is kept away from in seat (1) has cavity landing leg (3), seat (1) is close to back (2) one side bottom fixed mounting has a pair of solid landing leg (4), set up the through-hole with cavity landing leg (3) intercommunication on seat (1), equal activity is inserted in the through-hole and is equipped with telescopic link (5), both sides telescopic link (5) extend to in cavity landing leg (3) through the through-hole, it has horizontal locating hole (6) and longitudinal positioning hole (7) to begin respectively on cavity landing leg (3), fixed mounting has spring (8) on telescopic link (5), fixed mounting has stripper plate (9) on spring (8), stripper plate (9) are kept away from spring (8) one side fixed mounting and are had location ball (10), location ball (10) and horizontal locating hole (6) or longitudinal positioning hole (7) on telescopic link (5) The connecting device is connected in a matching mode, one end, far away from a hollow supporting leg (3), of the telescopic rod (5) is fixedly provided with a rotating seat (11), two sides of the rotating seat (11) are fixedly provided with sliding guide grooves (12), a pair of telescopic guide strips (13) are movably arranged in the sliding guide grooves (12), the telescopic guide strips (13) are fixedly arranged on two sides of a telescopic box (14), a stationery placing box (15) is movably arranged in the telescopic box (14), telescopic sleeve mounting holes (16) are also formed in two sides of the seat (1), telescopic sleeves (17) are fixedly arranged in the telescopic sleeve mounting holes (16), telescopic connecting rods (18) are movably inserted in the telescopic sleeves (17), positioning holes (19) are formed in the telescopic sleeves (17), springs (8) are also arranged on the telescopic connecting rods (18), and extrusion plates (9) are fixedly arranged on the springs (8), spring (8) one side fixed mounting is kept away from in stripper plate (9) has location ball (10), location ball (10) on telescopic link (18) are connected with locating hole (19) cooperation, telescopic link (18) are kept away from telescopic sleeve (17) one end fixed mounting and are wedged piece (20), wedged piece (20) and telescopic box (14) bottom have been seted up wedging way (21) cooperation and have been connected, one side cooperation groove (22) have been seted up on telescopic box (14), cooperation groove (22) internal fixation installs adsorbs iron plate (23), the opposite side fixed mounting has and cooperates groove (22) complex magnetic adsorption piece (24) on telescopic box (14).

2. The multifunctional classroom chair of claim 1, wherein: both sides flexible box (14) keep away from cooperation groove (22) and the equal fixed mounting in magnetic adsorption piece (24) one side has barrier plate (25), flexible conducting strip (13) keep away from barrier plate (25) one side fixed mounting has barrier block (26).

3. The multifunctional classroom chair of claim 1, wherein: the seat (1), the backrest (2) and the telescopic box (14) are all wrapped with leather sleeves, and sponge layers are filled in the leather sleeves.

4. The multifunctional classroom chair of claim 1, wherein: a pair of partition plates (27) is fixedly arranged on the seat (1).