CN212995514U

CN212995514U - Adjustable study chair that comfort level is high

Info

Publication number: CN212995514U
Application number: CN202022313570.XU
Authority: CN
Inventors: 虞嘉怡
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-04-20
Anticipated expiration: 2030-10-17

Abstract

The utility model belongs to the technical field of learning chairs, in particular to an adjustable learning chair with high comfort level, which is fixedly arranged aiming at the problem that most of the existing learning chairs are inconvenient to store or transport due to complex disassembly and assembly, and the utility model provides a proposal that the adjustable learning chair comprises a base, four universal wheels are rotatably arranged at the bottom of the base, a vertical column is fixedly arranged at the top of the base, a first chute is arranged at the top of the vertical column, a rectangular column is slidably arranged in the first chute, a bottom plate is fixedly arranged at the top of the rectangular column, two symmetrical vertical plates are fixedly arranged at the top of the bottom plate, handrails are fixedly arranged at the tops of the two vertical plates, a back plate is hinged at one side of the bottom plate, and a torsion spring is fixedly arranged at the hinged position of one side of the bottom plate and one side of the back plate, the adjustable learning chair can be conveniently stored when, simple structure and convenient use.

Description

Adjustable study chair that comfort level is high

Technical Field

The utility model relates to a study chair technical field especially relates to an adjustable study chair that comfort level is high.

Background

The body of children is constantly developed and grown up, too high and too low study chair produces unfavorable influence to children's body development, bow-backed myopia scheduling problem, the first thing of correct study position of sitting is that the both feet must, thigh and shank become the right angle or slightly be less than 90 degrees, the both feet are unsettled or step on the ground unrealistic, can fall on thigh and buttock with the focus completely, oppress the blood vessel, influence blood circulation, make children produce the discomfort, must not change the posture constantly, can't keep correct position of sitting, simultaneously easy fatigue, influence the spirit and concentrate.

Among the prior art, most study chairs all are fixed installation, and are loaded down with trivial details owing to dismantle the installation to lead to being not convenient for accomodate it or carry, we have provided an adjustable study chair that comfort level is high for this reason and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving most study chairs and all being fixed installation, because it is loaded down with trivial details to dismantle the installation to lead to being not convenient for accomodate it or the shortcoming of transport, and the adjustable study chair that a comfort level is high that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable learning chair with high comfort level comprises a base, wherein four universal wheels are rotatably mounted at the bottom of the base, an upright post is fixedly mounted at the top of the base, a first chute is formed in the top of the upright post, a rectangular column is slidably mounted in the first chute, a bottom plate is fixedly mounted at the top of the rectangular column, two symmetrical vertical plates are fixedly mounted at the top of the bottom plate, handrails are fixedly mounted at the tops of the two vertical plates, a back plate is hinged to one side of the bottom plate, a torsion spring is fixedly mounted at the hinged position of one side of the bottom plate and one side of the back plate, a connecting block is fixedly mounted at the top of the back plate, a supporting block is fixedly mounted at the top of the connecting block, mounting grooves are formed in the back plate and one side of the supporting block, sliding blocks are slidably mounted in the two mounting grooves, a, the worm is installed to the first through-hole internal rotation, the one end fixedly connected with rocker of worm, first thread groove has been seted up to the bottom of rectangle post, first threaded rod has been installed to first thread groove internal thread, the second spout has been seted up to the bottom of bottom plate, slidable mounting has the rack in the second spout, the one end of rack and the top fixed connection of stand, the third spout has been seted up to one side of bottom plate, slidable mounting has the fixture block in the third spout, the draw-in groove has been seted up to one side of backplate, the draw-in groove cooperatees with the fixture block, the second through-hole has been seted up to one side inner wall of third spout, the second through-hole communicates with each other with the second spout, the second thread.

Preferably, one end of the second threaded rod, which is located in the second sliding groove, is fixedly provided with a gear, the gear is meshed with the rack, a worm wheel is fixedly sleeved on the outer side of the first threaded rod, and the worm wheel is meshed with the worm.

Preferably, four springs are fixedly mounted on the inner wall of one side of each of the two mounting grooves, and one ends of the eight springs are fixedly connected with one sides of the two sliding blocks respectively.

Preferably, all set up threaded hole on two risers, the bolt is installed to two threaded hole equal screw threads, and the jack has all been seted up to the both sides of backplate, and two bolts cooperate with two jacks respectively.

Preferably, the inner walls of the two sides of the first sliding chute are fixedly provided with first bearings, the inner rings of the two first bearings are fixedly connected with the outer side of the worm, the inner wall of the bottom of the first sliding chute and the inner wall of one side of the third sliding chute are fixedly provided with second bearings, and the inner rings of the two second bearings are fixedly connected with the outer sides of the first threaded rod and the second threaded rod respectively.

Compared with the prior art, the utility model has the advantages of:

1. this scheme can be through the reversal rocker, and then the worm drives the worm wheel and rotates, and first threaded rod drives the vertical downstream of rectangle pole and bottom plate, and the rack drives gear revolve, and the second threaded rod drives fixture block horizontal migration to can remove the fixed to the backplate through fixture block and draw-in groove case complex setting.

2. This scheme can be through pressing backplate and supporting shoe, and then the backplate rotates, when one side of backplate and the top contact of bottom plate, rotates two bolts, through two bolts respectively with two jack matched with settings to two bolts can be fixed the backplate, thereby have reduced and have taken up the volume.

The utility model discloses can make the study chair be convenient for accomodate it when not using or need remove the transport, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of an adjustable learning chair with high comfort level provided by the present invention;

FIG. 2 is a schematic side view of the adjustable chair for learning with high comfort level of the present invention;

FIG. 3 is an enlarged schematic structural view of part A of FIG. 1 of an adjustable chair for learning with high comfort according to the present invention;

fig. 4 is an enlarged schematic structural view of part B in fig. 1 of the adjustable learning chair with high comfort level of the present invention.

In the figure: the device comprises a base 1, universal wheels 2, upright posts 3, first sliding grooves 4, rectangular posts 5, a bottom plate 6, vertical plates 7, handrails 8, a back plate 9, connecting blocks 10, supporting blocks 11, mounting grooves 12, sliding blocks 13, latex pads 14, springs 15, bolts 16, jacks 17, first threaded rods 18, worms 19, worm wheels 20, rocking rods 21, racks 22, gears 23 and second threaded rods 24.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, an adjustable learning chair with high comfort level comprises a base 1, four universal wheels 2 are rotatably mounted at the bottom of the base 1, a stand column 3 is fixedly mounted at the top of the base 1, a first chute 4 is formed at the top of the stand column 3, a rectangular column 5 is slidably mounted in the first chute 4, a bottom plate 6 is fixedly mounted at the top of the rectangular column 5, two symmetrical vertical plates 7 are fixedly mounted at the top of the bottom plate 6, handrails 8 are fixedly mounted at the tops of the two vertical plates 7, a back plate 9 is hinged to one side of the bottom plate 6, a torsion spring is fixedly mounted at the hinged position of one side of the bottom plate 6 and one side of the back plate 9, a connecting block 10 is fixedly mounted at the top of the connecting block 10, a supporting block 11 is fixedly mounted at the top of the back plate 9 and one side of the supporting block 11, mounting grooves 12 are respectively formed in, first through-hole has been seted up to one side of stand 3, first through-hole communicates with each other with first spout 4, worm 19 is installed to the internal rotation of first through-hole, worm 19's one end fixedly connected with rocker 21, first thread groove has been seted up to the bottom of rectangular column 5, first threaded rod 18 is installed to first thread groove internal thread, the second spout has been seted up to the bottom of bottom plate 6, slidable mounting has rack 22 in the second spout, the one end of rack 22 and the top fixed connection of stand 3, the third spout has been seted up to one side of bottom plate 6, slidable mounting has fixture block 25 in the third spout, the draw-in groove has been seted up to one side of backplate 9, the draw-in groove cooperatees with fixture block 25, the second through-hole has been seted up to one side inner wall of third spout, the second through-hole communicates with each other with the second spout.

In this embodiment, a gear 23 is fixedly mounted at one end of the second threaded rod 24 located in the second sliding groove, the gear 23 is meshed with the rack 22, a worm wheel 20 is fixedly sleeved on the outer side of the first threaded rod 18, and the worm wheel 20 is meshed with the worm 19.

In this embodiment, four springs 15 are fixedly mounted on the inner wall of one side of each of the two mounting grooves 12, and one ends of the eight springs 15 are fixedly connected to one sides of the two sliders 13 respectively.

In this embodiment, all set up threaded hole on two risers 7, bolt 16 is installed to two threaded hole equal screw threads, and jack 17 has all been seted up to the both sides of backplate 9, and two bolts 16 cooperate with two jack 17 respectively.

In this embodiment, the inner walls of the two sides of the first sliding chute 4 are both fixedly provided with first bearings, the inner rings of the two first bearings are fixedly connected with the outer side of the worm 19, the inner wall of the bottom of the first sliding chute 4 and the inner wall of one side of the third sliding chute are both fixedly provided with second bearings, and the inner rings of the two second bearings are respectively fixedly connected with the outer sides of the first threaded rod 18 and the second threaded rod 24.

Example two

Referring to fig. 1-4, an adjustable learning chair with high comfort level comprises a base 1, four universal wheels 2 are rotatably mounted at the bottom of the base 1, a stand column 3 is fixedly mounted at the top of the base 1 by welding, a first chute 4 is formed at the top of the stand column 3, a rectangular column 5 is slidably mounted in the first chute 4, a bottom plate 6 is fixedly mounted at the top of the rectangular column 5 by welding, two symmetrical vertical plates 7 are fixedly mounted at the top of the bottom plate 6 by welding, armrests 8 are fixedly mounted at the tops of the two vertical plates 7 by welding, a back plate 9 is hinged at one side of the bottom plate 6, a torsion spring is fixedly mounted at the hinged position of one side of the bottom plate 6 and one side of the back plate 9 by welding, a connecting block 10 is fixedly mounted at the top of the back plate 9 by welding, a supporting block 11 is fixedly mounted at the top, the two mounting grooves 12 are internally and slidably provided with sliding blocks 13, one sides of the two sliding blocks 13 are fixedly connected with latex pads 14 through welding, one side of the upright post 3 is provided with a first through hole which is communicated with the first sliding groove 4, the first through hole is rotatably provided with a worm 19, one end of the worm 19 is fixedly connected with a rocker 21 through welding, the bottom of the rectangular post 5 is provided with a first threaded groove, a first threaded rod 18 is internally threaded in the first threaded groove, the bottom of the bottom plate 6 is provided with a second sliding groove, the second sliding groove is internally and slidably provided with a rack 22, one end of the rack 22 is fixedly connected with the top of the upright post 3 through welding, one side of the bottom plate 6 is provided with a third sliding groove, the third sliding groove is internally and slidably provided with a clamping block 25, one side of the back plate 9 is provided with a clamping groove which is matched with the clamping block 25, the inner, a second thread groove is formed in one side of the clamping block 25, and a second threaded rod 24 is mounted in the second thread groove in a threaded manner.

In this embodiment, a gear 23 is fixedly installed at one end of the second threaded rod 24 located in the second sliding groove through welding, the gear 23 is meshed with the rack 22, a worm wheel 20 is fixedly sleeved on the outer side of the first threaded rod 18 through welding, the worm wheel 20 is meshed with the worm 19, when the rack 22 vertically moves, the rack 22 can drive the gear 23 to rotate, and when the worm 19 rotates, the worm 19 can drive the worm wheel 20 to rotate.

In this embodiment, four springs 15 are all installed through welded fastening to one side inner wall of two mounting grooves 12, and welded fastening is connected through one side with two sliders 13 respectively to eight springs 15's one end, and when two sliders 13 and two latex pads 14 received the extrusion, eight springs 15 can play the effect of exerting force to two sliders 13 and two latex pads 14 respectively.

In this embodiment, all set up threaded hole on two risers 7, bolt 16 is installed to two threaded hole equal screw threads, and jack 17 has all been seted up to the both sides of backplate 9, through two bolts 16 respectively with two jack 17 matched with settings, two bolts 16 can play the effect of fixed backplate 9.

In this embodiment, the inner walls of the two sides of the first chute 4 are respectively provided with first bearings through welding, the inner rings of the two first bearings are connected with the outer side of the worm 19 through welding, the inner wall of the bottom of the first chute 4 and the inner wall of one side of the third chute are respectively provided with second bearings through welding, the inner rings of the two second bearings are respectively connected with the outer sides of the first threaded rod 18 and the second threaded rod 24 through welding, when the worm 19 and the first threaded rod 18 rotate with the second threaded rod 24, the two first bearings can play a role in stabilizing the rotation of the worm 19, and the two second bearings can respectively play a role in stabilizing the rotation of the first threaded rod 18 and the second threaded rod 24.

In this embodiment, when in use, the two bolts 16 can be rotated, the two bolts 16 are respectively matched with the two insertion holes 17, when the two bolts 16 are respectively separated from the two insertion holes 17, and then the two bolts 16 can release the fixation of the back plate 9, the back plate 9 rotates by the deformation force of the torsion spring, when the back plate 9 rotates to contact with the side wall of the bottom plate 6, the rocker 21 is rotated, the rocker 21 drives the worm 19 to rotate, the worm 19 drives the worm wheel 20 to rotate, the worm wheel 20 drives the first threaded rod 18 to rotate, the first threaded rod 18 drives the rectangular column 5 to vertically move upwards, the rectangular column 5 drives the bottom plate 6 and the back plate 9 to vertically move upwards, and then the rack 22 drives the gear 23 to rotate, the gear 23 drives the second threaded rod 24 to rotate, the second threaded rod 24 drives the fixture block 25 to horizontally move leftwards, the fixture block 25 is matched with the clamping groove, when the back and the neck are leaned on the two latex pads 14, the eight springs 15 can respectively exert force on the two sliding blocks 13 and the two latex pads 14, so that the comfort level can be improved, when the use is finished or the carrying is required, the rocker 21 can be reversely rotated, the rocker 21 drives the worm 19 to rotate, the worm 19 drives the worm wheel 20 to rotate, the worm wheel 20 drives the first threaded rod 18 to rotate, the first threaded rod 18 drives the rectangular column 5 to vertically move downwards, the rectangular column 5 drives the bottom plate 6 and the back plate 9 to vertically move downwards, the rack 22 drives the gear 23 to rotate, the gear 23 drives the second threaded rod 24 to rotate, the second threaded rod 24 drives the clamping block 25 to horizontally move rightwards, the clamping block 25 is matched with the clamping groove, the clamping block 25 can fix the back plate 9, then by pressing the back plate 9, when the back plate 9 is contacted with the top of the bottom plate 6, through rotating two bolts 16, two bolts 16 cooperate with two jack 17 respectively, and two bolts 16 can be fixed backplate 9, and then have reduced its volume to can conveniently accomodate or carry.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides an adjustable study chair that comfort level is high, including base (1), a serial communication port, the bottom of base (1) is rotated and is installed four universal wheels (2), the top fixed mounting of base (1) has stand (3), first spout (4) have been seted up at the top of stand (3), slidable mounting has rectangle post (5) in first spout (4), the top fixed mounting of rectangle post (5) has bottom plate (6), the top fixed mounting of bottom plate (6) has two risers (7) of symmetry, the top fixed mounting of two risers (7) has handrail (8), one side of bottom plate (6) articulates there is backplate (9), one side of bottom plate (6) and one side of backplate (9) hinge department fixed mounting have a torsion spring, the top fixed mounting of backplate (9) has connecting block (10), the top fixed mounting of connecting block (10) has supporting shoe (11), mounting grooves (12) are respectively formed in one sides of the back plate (9) and the supporting block (11), sliding blocks (13) are respectively slidably mounted in the two mounting grooves (12), a latex pad (14) is fixedly connected to one side of each sliding block (13), a first through hole is formed in one side of the stand column (3), the first through hole is communicated with the first sliding groove (4), a worm (19) is rotatably mounted in the first through hole, a rocker (21) is fixedly connected to one end of the worm (19), a first thread groove is formed in the bottom of the rectangular column (5), a first threaded rod (18) is mounted in the first thread groove, a second sliding groove is formed in the bottom of the bottom plate (6), a rack (22) is slidably mounted in the second sliding groove, one end of the rack (22) is fixedly connected with the top of the stand column (3), a third sliding groove is formed in one side of the bottom plate (6), and a, a clamping groove is formed in one side of the back plate (9), the clamping groove is matched with the clamping block (25), a second through hole is formed in the inner wall of one side of the third sliding groove, the second through hole is communicated with the second sliding groove, a second threaded groove is formed in one side of the clamping block (25), and a second threaded rod (24) is mounted in the second threaded groove in a threaded mode.

2. The adjustable learning chair with high comfort level as claimed in claim 1, wherein a gear (23) is fixedly mounted at one end of the second threaded rod (24) located in the second sliding groove, the gear (23) is meshed with the rack (22), a worm wheel (20) is fixedly sleeved on the outer side of the first threaded rod (18), and the worm wheel (20) is meshed with the worm (19).

3. The adjustable learning chair with high comfort level according to claim 1, characterized in that four springs (15) are fixedly mounted on the inner wall of one side of each of the two mounting grooves (12), and one ends of the eight springs (15) are respectively fixedly connected with one side of each of the two sliding blocks (13).

4. The adjustable learning chair with high comfort level according to claim 1, characterized in that the two risers (7) are both provided with threaded holes, the two threaded holes are both provided with bolts (16) in a threaded manner, the two sides of the back plate (9) are both provided with insertion holes (17), and the two bolts (16) are respectively matched with the two insertion holes (17).

5. The adjustable learning chair with high comfort level according to claim 1, characterized in that the inner walls of the two sides of the first sliding chute (4) are fixedly provided with first bearings, the inner rings of the two first bearings are fixedly connected with the outer side of the worm (19), the inner walls of the bottom of the first sliding chute (4) and the inner wall of one side of the third sliding chute are fixedly provided with second bearings, and the inner rings of the two second bearings are fixedly connected with the outer sides of the first threaded rod (18) and the second threaded rod (24), respectively.