CN211354406U

CN211354406U - Student chair

Info

Publication number: CN211354406U
Application number: CN201921859914.8U
Authority: CN
Inventors: 王健
Original assignee: Zhejiang Chensheng Industry & Trade Co ltd
Current assignee: Zhejiang Chensheng Industry & Trade Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-28
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a student chair aims at solving current student chair height and can't adjust basically, and the student sits and can feel uncomfortable on highly improper chair, and then influences the problem of learning efficiency. The key points of the technical scheme are as follows: the utility model provides a student chair, includes seat support, the back of the chair and supports the base, supports to be equipped with first flexible piece between the top of base and the bottom of seat support, and the inside threaded connection of first flexible piece has first lead screw, and the one end that first flexible piece was kept away from to first lead screw runs through the top of supporting the base to the inside of supporting the base, and the inside of supporting the base is equipped with the axis of rotation. The utility model discloses a cooperation between first flexible piece, first lead screw and the axis of rotation is used, realizes the regulation of seat support height, has effectively solved because highly improper problem that arouses student's learning efficiency to descend between high and the student of seat.

Description

Student chair

Technical Field

The utility model relates to a chair technical field, more specifically say, it relates to a student's chair.

Background

The student chair is a chair for students to sit as the name implies. At present, the heights of student chairs purchased by schools are generally fixed, and the heights of students are different, so that the students can feel uncomfortable when sitting on the chairs with improper heights, and the learning efficiency is further influenced.

To the above-mentioned problem, chinese patent publication No. CN205658651U discloses a student chair, which comprises a chair seat, the upper end of the chair seat is hinged with a chair back through a hinged shaft, and the lower end of the chair back is integrally formed with a porous positioning disk at the right end of the chair seat, the porous positioning disk is connected with the chair seat through an adjusting rod, the adjusting rod comprises an installation bulge, and the upper and lower ends of the installation bulge are respectively integrally formed with positioning columns, the upper and lower ends of the installation bulge are respectively connected in the corresponding clamping grooves of the porous positioning disk and the chair seat through the positioning columns, the left and right ends of the chair back are provided with symmetrical fastening bulges, and the fastening bulges are provided with telescopic belts, the lower end of the upper chair leg is integrally formed with an adjusting connecting rod, and the lower end of the adjusting connecting rod is sleeved with a lower chair leg, the lower chair leg is provided with positioning holes, and the adjusting connecting rod is, and the lower chair legs are fixedly connected through connecting rods, and the connecting rods are welded at the lower ends of the lower chair legs.

Above-mentioned technical scheme can both easily adjust through designing a chair height and back of the chair inclination, has effectively solved because the improper problem that arouses student's learning efficiency to descend of seat.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a student's chair uses through the cooperation between first flexible piece, first lead screw and the axis of rotation, realizes the regulation of seat support height, has effectively solved because highly improper problem that arouses student's learning efficiency to descend between high and the student of seat.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a student chair, includes the seat support, the back of the chair and supports the base, be equipped with first flexible piece between the top of support base and the bottom of seat support, the inside threaded connection of first flexible piece has first lead screw, the one end that first flexible piece was kept away from to first lead screw runs through the top of supporting the base to the inside of supporting the base, the inside of supporting the base is equipped with the axis of rotation, the one end of axis of rotation runs through and passes supporting base to the external world, the other end and the first lead screw of axis of rotation pass through bevel gear interconnect.

Through adopting above-mentioned technical scheme, rotate the axis of rotation and run through the one end that supports base to the external world, because the axis of rotation passes through bevel gear interconnect with first lead screw, consequently first lead screw also rotates along with it to first lead screw and first flexible piece threaded connection, consequently first flexible piece rises or descends under the rotation of first lead screw, with the height on this adjustment seat support distance ground, thereby effectively solved because highly improper problem that arouses student's learning efficiency to descend between the seat height and the student.

The utility model discloses further set up to: the inside threaded connection of the back of the chair has the second lead screw, the one end of second lead screw is connected with the central point at back of the chair top, the other end of second lead screw runs through the back of the chair to external world, the cover is equipped with the flexible piece of second on the second lead screw, just the flexible piece of second is located between the back of the chair and the seat support.

Through adopting above-mentioned technical scheme, because the cover is equipped with the flexible piece of second on the second lead screw to the inside threaded connection of second lead screw and the back of the chair, consequently rotate the second lead screw and run through the back of the chair to external one end after, the flexible piece of second rises thereupon or descends with the back of the chair, with this regulation that realizes the back of the chair height, make student's back can laminate with the back of the chair, and is more comfortable during the use.

The utility model discloses further set up to: the second telescopic block comprises a second fixed block and a second movable block, the top of the second fixed block is fixedly connected with the bottom of the chair back, and the second movable block is connected with the second fixed block through a sliding block and a sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, when the back of the chair rises or descends, because second fixed block and back of the chair fixed connection, consequently the second fixed block also goes up and down thereupon, when the second fixed block goes up, because the second movable block passes through slider and spout sliding connection with the second fixed block, consequently the second movable block can move towards keeping away from second fixed block one side, otherwise when the second fixed block descends, the second movable block can move towards being close to second fixed block one side, with this avoid the second lead screw to expose in the external world, thereby improve the life of second lead screw.

The utility model discloses further set up to: the first telescopic block comprises a first fixed block and a first movable block, the top of the first fixed block is fixedly connected with the bottom of the chair seat, and the first movable block and the first fixed block are connected with the sliding groove in a sliding mode through a sliding block.

Through adopting above-mentioned technical scheme, because first fixed block and seat support fixed connection, consequently when rotating first lead screw, first fixed block can go up and down together with the seat support, because first movable block passes through slider and spout sliding connection with first fixed block, consequently when first fixed block rises, first movable block can move towards keeping away from first fixed block one side, otherwise when first fixed block descends, first movable block can move towards being close to first fixed block one side, thereby avoid first lead screw to expose in the external world, the life of first lead screw has been improved.

The utility model discloses further set up to: and a rubber pad is arranged on the side wall of the chair back, which faces to one end close to the chair seat.

Through adopting above-mentioned technical scheme, the rubber pad has certain elasticity, can play certain cushioning effect when the student leans on to the back of the chair.

The utility model discloses further set up to: the surface of one side, away from the chair back, of the rubber pad is provided with a plurality of granular protrusions.

Through adopting above-mentioned technical scheme, the roughness on one side surface of the back of the chair is kept away from to the increase rubber pad to improve the frictional force between human back and the rubber pad, avoid the student to lean on the back of the chair when skidding.

The utility model discloses further set up to: one end of the rotating shaft, which is positioned outside, is provided with a first rotating seat, and one end of the second lead screw, which is positioned outside, is provided with a second rotating seat.

Through adopting above-mentioned technical scheme, the setting up of first rotation seat and second rotation seat has made things convenient for the rotation of axis of rotation and second lead screw, and is more convenient when adjusting seat support height, back of the chair height.

The utility model discloses further set up to: the supporting base is provided with a plurality of drawers.

Through adopting above-mentioned technical scheme, conveniently accomodate student's article, like stationery, schoolbag etc.

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

through the cooperation use between first flexible piece, first lead screw and the axis of rotation, realize the regulation of seat support height, effectively solved because highly improper problem that arouses student's learning efficiency to descend between the seat height and the student.

Drawings

FIG. 1 is a schematic external structural view of the present embodiment, illustrating external structural features of a student chair;

FIG. 2 is a first schematic internal structural diagram of the present embodiment, showing the internal structural features of the student chair in the main view;

fig. 3 is a schematic diagram of the internal structure of the second embodiment, showing the side-view internal structural features of the student chair.

In the figure: 1. a chair seat; 2. a chair back; 3. a support base; 4. a drawer; 5. a first telescopic block; 6. a first lead screw; 7. a rotating shaft; 8. a first fixed block; 9. a first movable block; 10. a second lead screw; 11. a second telescopic block; 12. a second fixed block; 13. a second movable block; 14. a rubber pad; 15. a first rotating base; 16. and a second rotating seat.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A student chair is shown in figures 1-3 and comprises a chair seat 1, a chair back 2 and a supporting base 3, wherein a plurality of drawers 4 are arranged on the supporting base 3, so that articles of students, such as stationery, a schoolbag and the like, can be conveniently stored; be equipped with first flexible piece 5 between the top of support base 3 and the bottom of seat support 1, the inside threaded connection of first flexible piece 5 has first lead screw 6, the one end that first flexible piece 5 was kept away from to first lead screw 6 runs through the inside of supporting base 3 at the top of support base 3, the inside of supporting base 3 is equipped with axis of rotation 7, the one end of axis of rotation 7 runs through and supports base 3 to the external world, the other end of axis of rotation 7 and first lead screw 6 pass through bevel gear interconnect, axis of rotation 7 runs through the one end of supporting base 3 to the external world, because axis of rotation 7 and first lead screw 6 pass through bevel gear interconnect, consequently first lead screw 6 also rotates thereupon, and first lead screw 6 and first flexible piece 5 threaded connection, consequently first flexible piece 5 rises or descends under the rotation of first lead screw 6, with this height of adjustment seat support 1 apart from ground, thereby effectively solved because the height between seat support 1 height and the student arouses the problem that student's efficiency of studying descends Title to be obtained;

the first telescopic block 5 comprises a first fixed block 8 and a first movable block 9, the top of the first fixed block 8 is fixedly connected with the bottom of the seat 1, the first movable block 9 and the first fixed block 8 are slidably connected with a chute through a sliding block, and the first fixed block 8 is fixedly connected with the seat 1, so that when the first lead screw 6 rotates, the first fixed block 8 can lift together with the seat 1, and when the first fixed block 8 rises, the first movable block 9 can move towards one side far away from the first fixed block 8 because the first movable block 9 and the first fixed block 8 are slidably connected with the chute through the sliding block, otherwise, when the first fixed block 8 descends, the first movable block 9 can move towards one side close to the first fixed block 8, so that the first lead screw 6 is prevented from being exposed outside, and the service life of the first lead screw 6 is prolonged;

the inner thread of the chair back 2 is connected with a second screw rod 10, one end of the second screw rod 10 is connected with the central point of the top of the chair back 2, the other end of the second screw rod 10 penetrates through the chair back 2 to the outside, a second telescopic block 11 is sleeved on the second screw rod 10, the second telescopic block 11 is positioned between the chair back 2 and the chair seat 1, and the second telescopic block 11 is sleeved on the second screw rod 10 and is connected with the inner thread of the chair back 2, so that after the second screw rod 10 penetrates through the chair back 2 to the outside through rotating, the second telescopic block 11 and the chair back 2 ascend or descend along with the second screw rod, the height of the chair back 2 is adjusted, the back of a student can be attached to the chair back 2, and the use is more comfortable; the second telescopic block 11 comprises a second fixed block 12 and a second movable block 13, the top of the second fixed block 12 is fixedly connected with the bottom of the chair back 2, the second movable block 13 is slidably connected with the second fixed block 12 through a sliding block and a sliding groove, when the chair back 2 ascends or descends, the second fixed block 12 also ascends and descends due to the fact that the second fixed block 12 is fixedly connected with the chair back 2, when the second fixed block 12 ascends, the second movable block 13 moves towards one side far away from the second fixed block 12 due to the fact that the second movable block 13 is slidably connected with the second fixed block 12 through the sliding block and the sliding groove, otherwise, when the second fixed block 12 descends, the second movable block 13 moves towards one side close to the second fixed block 12, so that the second lead screw 10 is prevented from being exposed outside, and the service life of the second lead screw 10 is prolonged;

be equipped with rubber pad 14 on the lateral wall of back of the chair 2 orientation near seat support 1 one end, rubber pad 14 has certain elasticity, can play certain cushioning effect when the student leans on to back of the chair 2, and the surface that 2 one side of the back of the chair was kept away from to rubber pad 14 is equipped with a plurality of graininess archs, and the roughness of 2 side surfaces of the back of the chair is kept away from to increase rubber pad 14 to improve the frictional force between human back and the rubber pad 14, avoid the student to lean on when back of the chair 2 and skid.

The rotation axis 7 is located one of external world and serves and be equipped with first rotation seat 15, and the second lead screw 10 is located one of external world and serves and be equipped with the second and rotate seat 16, and the rotation of rotation axis 7 and second lead screw 10 has been made things convenient for in the setting up of first rotation seat 15 and second rotation seat 16, and is more convenient when adjusting 1 height of seat support, back of the chair 2 height.

When the utility model is used normally, firstly the first rotating seat 15 is rotated, the first rotating seat 15 drives the rotating shaft 7 to rotate, because the rotating shaft 7 is connected with the first screw rod 6 through the bevel gear, the first screw rod 6 rotates along with the rotating shaft, and the first screw rod 6 is in threaded connection with the first telescopic block 5, therefore, the first telescopic block 5 rises or falls under the rotation of the first screw rod 6, so as to adjust the height of the chair seat 1 from the ground, then the second rotating seat 16 is rotated, the second rotating seat 16 drives the second screw rod 10 to rotate, because the second screw rod 10 is sleeved with the second telescopic block 11, and the second screw rod 10 is in threaded connection with the inner part of the chair back 2, after the second screw rod 10 is rotated to penetrate through the chair back 2 to the external end, the second telescopic block 11 rises or falls along with the chair back 2, thereby realizing the adjustment of the height of the chair back 2, so that the back of a student can be attached to the chair back 2, the use is more comfortable.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, 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. The utility model provides a student chair, includes seat support (1), back of the chair (2) and support base (3), its characterized in that: be equipped with first flexible piece (5) between the top of supporting base (3) and the bottom of seat support (1), the inside threaded connection of first flexible piece (5) has first lead screw (6), the one end that first flexible piece (5) were kept away from in first lead screw (6) runs through the top of supporting base (3) to the inside of supporting base (3), the inside of supporting base (3) is equipped with axis of rotation (7), the one end of axis of rotation (7) runs through and passes supporting base (3) to the external world, the other end and the first lead screw (6) of axis of rotation (7) pass through bevel gear interconnect.

2. A student chair as claimed in claim 1 wherein: the inside threaded connection of the back of the chair (2) has second lead screw (10), the one end of second lead screw (10) is connected with the central point at the back of the chair (2) top, the other end of second lead screw (10) runs through back of the chair (2) to external world, the cover is equipped with the flexible piece of second (11) on second lead screw (10), just the flexible piece of second (11) is located between back of the chair (2) and seat support (1).

3. A student chair as claimed in claim 2, wherein: the flexible piece of second (11) includes second fixed block (12) and second movable block (13), the top of second fixed block (12) and the bottom fixed connection of back of the chair (2), second movable block (13) passes through slider and spout sliding connection with second fixed block (12).

4. A student chair as claimed in claim 1 wherein: first flexible piece (5) include first fixed block (8) and first movable block (9), the top of first fixed block (8) and the bottom fixed connection of seat support (1), first movable block (9) pass through slider and spout sliding connection with first fixed block (8).

5. A student chair as claimed in claim 1 wherein: a rubber pad (14) is arranged on the side wall of the chair back (2) facing to one end close to the chair seat (1).

6. A student chair as claimed in claim 5, wherein: the surface of one side, away from the chair back (2), of the rubber pad (14) is provided with a plurality of granular protrusions.

7. A student chair as claimed in claim 2, wherein: one end of the rotating shaft (7) located outside is provided with a first rotating seat (15), and one end of the second screw rod (10) located outside is provided with a second rotating seat (16).

8. A student chair as claimed in claim 1 wherein: the supporting base (3) is provided with a plurality of drawers (4).