CN211408082U

CN211408082U - Desk and chair

Info

Publication number: CN211408082U
Application number: CN201922414610.7U
Authority: CN
Inventors: 水建米; 谢德水; 郑友钧; 陈国军
Original assignee: Shanghai Wuyue Wood Industry Co ltd
Current assignee: Shanghai Wuyue Wood Industry Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-04
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a desk and chair is used in the educational equipment field, has solved the problem of the relatively extravagant resource of current desk chair and desk complete set configuration. The technical key points are as follows: the chair comprises a chair surface, a chair back and chair legs, wherein the chair surface is positioned between the chair back and the chair legs and is vertical to the chair back, and two first handles are fixedly connected to the chair surface; one end of the first handle, which is far away from the chair back, is provided with a rotating structure, and a table plate is fixedly connected to the rotating structure. Has the technical effects that: the functions of the desk and the chair are added, and the cost for manufacturing the desk can be saved.

Description

Desk and chair

Technical Field

The utility model relates to an use in educational equipment technical field, more specifically say, it relates to a desk chair.

Background

The desk and chair is called desk and chair for students and is also called school desk and chair. The desk and chair can be divided according to age, material and function. Desk and chair can be used in many occasions, such as: training institutions, conference rooms, and the like.

Referring to fig. 1, a conventional desk and chair includes a chair back a, a chair seat B and chair legs C, wherein the chair seat B is located between the chair back a and the chair legs C.

The desk and chair provided by the scheme has single function, and needs to be configured with desks for use, and each desk and chair is matched with one desk, so that resources are wasted, and measures are needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the current desk chair and the not enough of the relatively extravagant resource of desk complete set configuration that prior art exists, the utility model aims to provide a desk chair, it has the effect of the resource of sparingly making the desk.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a desk and chair comprises a chair surface, a chair back and chair legs, wherein the chair surface is positioned between the chair back and the chair legs and is vertical to the chair back, and two first handles are fixedly connected to the chair surface; one end of the first handle, which is far away from the chair back, is provided with a rotating structure, and a table plate is fixedly connected to the rotating structure.

Through above-mentioned technical scheme, utilize rotation structure to rotate the horizontal position with the table when needs use the table. The beneficial effects obtained are as follows: the desk and the chair can be used as a chair and a desk, so that the resource for manufacturing the desk is saved.

The present invention may be further configured in a preferred embodiment as: the one end that the back of the chair was kept away from in the first in command can be dismantled and be connected with the telescopic link, and the telescopic link is pegged graft in the first in command, and the one end that the first in command is close to the telescopic link is equipped with a jack, is equipped with a plurality of jacks on the telescopic link, and the bolt has been pegged graft in the jack.

The beneficial effects obtained are as follows: the length that the telescopic link can increase the first in command is adjusted, can adapt to different people's different demands.

The present invention may be further configured in a preferred embodiment as: the rotating structure comprises a worm, a gear and a second handle, the worm is meshed with the gear, the second handle is rotatably connected with the worm, a locking structure is arranged on the second handle, and the worm is perpendicular to the telescopic rod; two first fixing blocks are arranged on the telescopic rod, and the worm is positioned between the two first fixing blocks and is rotationally connected with the first fixing blocks; the center fixedly connected with pivot of gear still is equipped with two second fixed blocks on the telescopic link, and the pivot rotates with the second fixed block to be connected, and the both ends of pivot still with desktop fixed connection.

The beneficial effects obtained are as follows: utilize the cooperation of worm and gear to realize the rotation of table, and just can make the revolution mechanic work through rotating the second handle, conveniently adjust and use, be equipped with locking structure and can conveniently make the table more firm when using to revolution mechanic's fixed.

The present invention may be further configured in a preferred embodiment as: the second handle comprises a cylindrical rod body and a hand wheel, the cylindrical rod body is rotationally connected with the worm, a cavity is formed in the cylindrical rod body, a sliding opening is formed in the cylindrical rod body, the locking structure comprises a spring and an L-shaped rod body, one end, close to the hand wheel, of the spring is detachably mounted with the cylindrical rod body, one end, far away from the hand wheel, of the spring is detachably mounted with the L-shaped rod body, the L-shaped rod body slides in the sliding opening, one end, close to the worm, of the cylindrical rod body is provided with a through hole, and the L-shaped rod body is; one side of the telescopic rod close to the L-shaped rod body is provided with a third fixing block.

The beneficial effects obtained are as follows: the rod body of L style of calligraphy is driven through manual pulling spring, convenient locking and simple structure.

The present invention may be further configured in a preferred embodiment as: one side of the desk plate, which is far away from the worm, is connected with a cup stand in a sliding way.

The beneficial effects obtained are as follows: the cup sleeve is arranged, so that the function of the table board can be increased, and the table board is more humanized.

The present invention may be further configured in a preferred embodiment as: the chair legs comprise two T-shaped cavity sliding rods and two square sliding rods, one square sliding rod is inserted into one T-shaped cavity sliding rod, and the two square sliding rods are respectively fixedly connected with the two first handles; the square sliding rod is provided with a plurality of jacks, one end of the T-shaped cavity sliding rod, which is close to the square sliding rod, is provided with a jack, and a bolt is inserted in the jack.

The beneficial effects obtained are as follows: the chair legs can be telescopic, and the height of the chair legs can be adjusted according to the requirements of different users.

The present invention may be further configured in a preferred embodiment as: the side of the cavity slide rod of two T types all is equipped with one and places the frame, places and is equipped with the pulley in the frame, and one side that the pulley is close to the seat is equipped with the U-shaped frame, and the pulley rotates with the U-shaped frame to be connected, and places one side that the frame is close to the seat and be equipped with the screw hole, and threaded connection has the screw rod in the screw hole, screw rod and one side fixed connection that the U-shaped frame is close to the seat.

The beneficial effects obtained are as follows: the pulley is arranged to facilitate the carrying of desk and chair, and the pulley can be hidden in the placing frame by the screw rod when not in use, so that the use at ordinary times is not influenced.

To sum up, the utility model discloses following beneficial effect has:

1. when the table plate needs to be used, the table plate is rotated to the horizontal position by the rotating structure. The desk and the chair can be used as a chair and a desk, so that the resource for manufacturing the desk is saved.

2. The chair legs can be telescopic, and the height of the chair legs can be adjusted according to the requirements of different users.

3. The pulley is arranged to facilitate the carrying of desk and chair, and the pulley can be hidden in the placing frame by the screw rod when not in use, so that the use at ordinary times is not influenced.

Drawings

FIG. 1 is a schematic view of an overall structure of a conventional desk and chair;

FIG. 2 is a schematic view of the overall structure of a desk and chair of this embodiment;

FIG. 3 is an enlarged view of Y in FIG. 2;

FIG. 4 is an exploded view of the pulley and the placement frame;

fig. 5 is a schematic structural view of the second handle.

In the figure: 1. a chair surface; 2. a chair back; 3. a chair leg; 31. a T-shaped cavity sliding rod; 311. placing the frame; 312. a pulley; 313. a U-shaped frame; 314. a screw; 32. a square slide bar; 4. a first handle; 5. a telescopic rod; 51. a first fixed block; 52. a second fixed block; 53. a third fixed block; 6. a rotating structure; 61. a worm; 62. a gear; 621. a rotating shaft; 63. a second handle; 7. a table plate; 71. a cup holder; 8. a locking structure; 81. a spring; 82. a rod body.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A school desk and chair comprises a chair surface 1, a chair back 2 and chair legs 3, wherein the chair surface 1 is positioned between the chair back 2 and the chair legs 3, the chair surface 1 is perpendicular to the chair back 2, two first handles 4 are welded on the chair surface 1, the first handles 4 are perpendicular to the chair back 2, and the first handles 4 are parallel to the chair surface 1.

As shown in fig. 2, the chair leg 3 can be extended and contracted, the chair leg 3 is composed of a T-shaped cavity sliding rod 31 and a square sliding rod 32, the square sliding rod 32 is inserted into the T-shaped cavity sliding rod 31, the T-shaped cavity sliding rod 31 is provided with an insertion hole, the square sliding rod 32 is provided with a plurality of insertion holes, the T-shaped cavity sliding rod 31 and the square sliding rod 32 are detachably connected through a bolt, and the height of the chair leg 3 can be adjusted by changing the insertion position of the bolt. Referring to fig. 4, the side surfaces of the two T-shaped cavity sliding rods 31 are respectively provided with a placing frame 311, a pulley 312 is arranged in the placing frame 311, one side of the pulley 312 close to the seat 1 is provided with a U-shaped frame 313, the pulley 312 is rotatably connected with the U-shaped frame 313, one side of the placing frame 311 close to the seat 1 is provided with a threaded hole, a screw 314 is in threaded connection with the threaded hole, and the screw 314 is fixedly connected with one side of the U-shaped frame 313 close to the seat 1. When the desk and chair are required to be moved, the screw 314 can be screwed by hand to enable the pulley 312 to descend, so that the desk and chair can be conveniently moved.

As shown in fig. 2, one side of the two first handles 4, which is far away from the chair back 2, can be detachably connected with a telescopic rod 5, the telescopic rod 5 is inserted into the first handles 4, a plurality of jacks are formed in the telescopic rod 5, one jack is formed in the first handle 4, and the first handle 4 and the telescopic rod 5 are detachably connected through bolts.

As shown in fig. 2 and 3, a table plate 7 is rotatably connected to one of the telescopic rods 5 by the rotating structure 6, a sliding groove is formed in one side, away from the worm 61, of the table plate 7, the sliding groove is integrally T-shaped, a cup holder 71 is connected to the sliding groove in a sliding manner, the cup holder 71 is also T-shaped, and the cup holder 71 is clamped in the sliding groove to prevent the cup holder 71 from falling out.

As shown in fig. 3, the rotating structure 6 includes a worm 61, a gear 62, and a second handle 63, wherein the gear 62 is engaged with the worm 61. Two first fixing blocks 51 are welded on the telescopic rod 5, round holes are formed in the first fixing blocks 51, and the worm 61 is inserted into the round holes and rotates in the round holes. Still weld on the telescopic link 5 has two second fixed blocks 52, the welding has pivot 621 in the gear 62, pivot 621 pegs graft between two second fixed blocks 52 and rotates with second fixed block 52 and be connected, and the both ends of pivot 621 are welded with table 7, second handle 63 is articulated with worm 61, it can drive worm 61 to rotate through manual second handle 63 of rotating of people, because gear 62 and worm 61 meshing so gear 62 also can rotate, because gear 62 and pivot 621 weld with table 7 again so rotation of gear 62 can drive table 7 and rotate, when needs use table 7 rotate second handle 63 and make table 7 rotate horizontal position can. The second handle 63 is composed of a cylindrical rod body with a cavity and a hand wheel, a bar-shaped opening is formed in the cylindrical rod body, and the locking structure 8 is arranged in the cylindrical rod body and slides on the bar-shaped opening in combination with the figure 4.

As shown in fig. 3 and 5, the locking structure 8 includes a spring 81 and an L-shaped rod 82, wherein an end of the spring 81 away from the worm 61 is connected to the cylindrical rod through a hook, an end of the spring 81 close to the worm 61 is detachably connected to the rod 82 through a hook (not shown), an end of the cylindrical rod close to the worm 61 is provided with a sliding opening adapted to the rod 82, and the rod 82 slides in the sliding opening. One side of the telescopic rod 5, which is close to the L-shaped rod body 82, is provided with a third fixing block 53, and the third fixing block 53 is provided with a plug-in port.

The locking structure 8 must be used for locking when the table 7 is used or not used in order to ensure the stable placement of the table 7. When the locking is needed, a worker needs to pull the rod body 82 to one side far away from the worm 61 by hand to enable the spring 81 to be in a compressed state, so that the rod body 82 is withdrawn from the sliding opening and completely enters the cylindrical rod body, the cylindrical rod body is hinged to the worm 61, the worker needs to rotate the cylindrical rod body to a state perpendicular to the worm 61 and then loosen the rod body 82, the rod body 82 pushes the rod body 82 out of the cylindrical rod body due to the elasticity of the spring 81, and then the rod body 82 can be inserted into the insertion opening of the third fixing block 53 to achieve locking of the rod body 82.

When the multifunctional desk is used, the desk plate 7 is rotated to the horizontal position by rotating the second handle 63 through the rotating structure 6, the telescopic rod 5 and the chair legs 3 can be adjusted according to the stature of a user, so that a proper posture can be found conveniently, and the cup holder 71 of the desk plate 7 can be used for holding a water cup.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A desk and chair comprises a chair surface (1), a chair back (2) and chair legs (3), wherein the chair surface (1) is positioned between the chair back (2) and the chair legs (3), the chair surface (1) is perpendicular to the chair back (2), and two first handles (4) are fixedly connected to the chair surface (1); the method is characterized in that: one end, far away from back of the chair (2), of the first handle (4) is provided with a rotating structure (6), and a table plate (7) is fixedly connected to the rotating structure (6).

2. A desk and chair as claimed in claim 1, wherein: the one end that the back of the chair (2) was kept away from in the first in command (4) can be dismantled and be connected with telescopic link (5), telescopic link (5) are pegged graft in the first in command (4), the one end that the first in command (4) are close to telescopic link (5) is equipped with a jack, be equipped with a plurality of jacks on telescopic link (5), the bolt has been pegged graft in the jack.

3. A desk and chair as claimed in claim 2, wherein: the rotating structure (6) comprises a worm (61), a gear (62) and a second handle (63), the worm (61) is meshed with the gear (62), the second handle (63) is rotatably connected with the worm (61), a locking structure (8) is arranged on the second handle (63), and the worm (61) is perpendicular to the telescopic rod (5); two first fixing blocks (51) are arranged on the telescopic rod (5), and the worm (61) is positioned between the two first fixing blocks (51) and is rotationally connected with the first fixing blocks (51); the center fixedly connected with pivot (621) of gear (62), still be equipped with two second fixed blocks (52) on telescopic link (5), pivot (621) with second fixed block (52) rotate to be connected, just the both ends of pivot (621) still with table (7) fixed connection.

4. A desk and chair as claimed in claim 3, wherein: the second handle (63) comprises a cylindrical rod body and a hand wheel, the cylindrical rod body is rotatably connected with the worm (61), a cavity is formed in the cylindrical rod body, a sliding opening is formed in the cylindrical rod body, the locking structure (8) comprises a spring (81) and an L-shaped rod body (82), one end, close to the hand wheel, of the spring (81) is detachably mounted with the cylindrical rod body, one end, far away from the hand wheel, of the spring (81) is detachably mounted with the L-shaped rod body (82), the L-shaped rod body (82) slides in the sliding opening, a through hole is formed in one end, close to the worm (61), of the cylindrical rod body, and the L-shaped rod body (82) is slidably mounted in the through hole; and a third fixing block (53) is arranged on one side, close to the L-shaped rod body (82), of the telescopic rod (5).

5. A desk and chair as claimed in claim 3, wherein: one side of the table plate (7) far away from the worm (61) is connected with a cup holder (71) in a sliding manner.

6. A desk and chair as claimed in claim 1, wherein: the chair legs (3) comprise two T-shaped cavity sliding rods (31) and two square sliding rods (32), one square sliding rod (32) is inserted into one T-shaped cavity sliding rod (31), and the two square sliding rods (32) are respectively fixedly connected with the two first handles (4); the square sliding rod (32) is provided with a plurality of jacks, one end, close to the square sliding rod (32), of the T-shaped cavity sliding rod (31) is provided with one jack, and a bolt is inserted into the jack.

7. A desk and chair as claimed in claim 6, wherein: two the side of the cavity slide bar (31) of T style of calligraphy all is equipped with one and places frame (311), it is equipped with pulley (312) in frame (311) to place, pulley (312) are close to one side of seat (1) is equipped with U-shaped frame (313), pulley (312) with U-shaped frame (313) rotate to be connected, just place frame (311) and be close to one side of seat (1) is equipped with the screw hole, threaded connection has screw rod (314) in the screw hole, screw rod (314) with U-shaped frame (313) are close to one side fixed connection of seat (1).