CN214283901U - Chair for students in classroom - Google Patents
Chair for students in classroom Download PDFInfo
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- CN214283901U CN214283901U CN202021494955.4U CN202021494955U CN214283901U CN 214283901 U CN214283901 U CN 214283901U CN 202021494955 U CN202021494955 U CN 202021494955U CN 214283901 U CN214283901 U CN 214283901U
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- wall
- supporting seat
- fixedly connected
- chair
- connecting block
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Abstract
The utility model discloses a student uses chair in classroom, including supporting seat, supporting leg, backup plate, back, bedplate, the inside of supporting seat is provided with the upper junction plate, the both sides of upper junction plate and the inner wall contact of supporting seat, the bottom of upper junction plate and the top fixed connection of last connecting block, the quantity of going up the connecting block is two, is located the back of the last connecting block on supporting leg right side is articulated with the positive activity on right carriage release lever top, the one end in right pivot is established to right carriage release lever bottom cover, the other end of right pivot and the positive fixed connection of right carriage release lever, the right carriage release lever cover is established on the outer wall of pivot. The chair for students in classrooms moves the left moving slide block and the right moving slide block by rotating the handle, so that the left upper moving rod, the left lower moving rod, the right upper moving rod and the right lower moving rod move, and finally the supporting legs move upwards, thereby adjusting the height of the whole chair for students.
Description
Technical Field
The utility model relates to a teaching technical field specifically is a chair for students in classroom.
Background
The chair is a daily-life furniture, a seat with a backrest and armrests. The chairs are gradually used in the student classroom, but the heights of the chairs for students in the classroom are fixed, and some students are uncomfortable due to height problems
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a student uses chair in classroom in order to solve and to propose but the student in the classroom uses the chair highly all fixed with the chair in the above-mentioned background art, and some students lead to unwell problem because of the height problem.
In order to achieve the above object, the utility model provides a following technical scheme: a chair for students in classrooms comprises a supporting seat, supporting legs, a backup plate, a backrest and a seat plate, wherein an upper connecting plate is arranged in the supporting seat, two sides of the upper connecting plate are in contact with the inner wall of the supporting seat, the bottom of the upper connecting plate is fixedly connected with the top of an upper connecting block, the number of the upper connecting blocks is two, the back surface of the upper connecting block positioned on the right side of the supporting legs is movably hinged with the front surface of the top end of a right moving rod, the bottom end of the right moving rod is sleeved at one end of a right rotating shaft, the other end of the right rotating shaft is fixedly connected with the front surface of a right moving slider, the right moving slider is sleeved on the outer wall of the rotating shaft, the outer wall of the rotating shaft is respectively provided with a positive thread and a reverse thread, the inner wall of the right moving slider is provided with a first internal thread meshed with the reverse thread, the outer wall of the rotating shaft is sleeved with a left moving slider, the inner wall of the left moving slider is provided with a second internal thread meshed with the positive thread, the front of the left moving slide block is fixedly connected with one end of a left rotating shaft, the left end of the rotating shaft penetrates through the left side of the supporting seat to extend and is fixedly connected with the right side of the rotating handle, the other end of the left rotating shaft sequentially penetrates through the left upper moving rod and the left lower moving rod, the front of the top end of the left upper moving rod is movably hinged with the back of the upper connecting block positioned on the left side of the supporting leg, the bottom of the inner wall of the supporting seat is fixedly connected with the bottom of the lower connecting plate, the top of the lower connecting plate is fixedly connected with the bottom of the lower connecting block, the number of the lower connecting blocks is two, the back of the lower connecting block positioned on the left side of the supporting leg is movably hinged with the front of the bottom end of the left lower moving rod, the back of the lower connecting block positioned on the right side of the supporting leg is movably connected with the front of the bottom end of the right lower moving rod, and the top end of the right lower moving rod is sleeved on the outer wall of one end of the right rotating shaft, the bottom of supporting leg and the top fixed connection of upper junction plate, the top of supporting leg is run through the top of supporting seat and is extended to the bottom fixed connection with the backup plate, the inner wall of backup plate and the left side fixed connection of first bearing, the right side of first bearing and the left side fixed connection who links firmly the connecting rod, the top of connecting rod and the bottom fixed connection of torsional spring, the top of torsional spring and the top fixed connection of backup plate inner wall, one side that the right side of connecting rod runs through the backup plate extends to the left side fixed connection with the connecting block.
Preferably, the left side of the supporting seat is provided with a through hole matched with the rotating shaft, and the top of the supporting seat is fixedly connected with the top of the non-slip mat.
Preferably, the right side of the rotating shaft is in rolling connection with the left side of the second bearing, and the right side of the bearing is fixedly connected with the inner wall of the supporting seat.
Preferably, the top of the supporting seat is provided with an opening matched with the supporting leg.
Preferably, the top of the back plate is fixedly connected with the bottom of the backrest.
Preferably, the right side of the connecting block is fixedly connected with the left side of the seat plate, and the seat plate is positioned right in front of the backrest.
Compared with the prior art, the utility model provides a student uses chair in classroom possesses following beneficial effect and is:
the chair for students in classrooms has the advantages that the rotating shaft is rotated by screwing the rotating handle, the left moving slide block and the right moving slide block move relatively by rotating the rotating shaft, the left moving slide block moves to move the left upper moving rod and the left lower moving rod, so that the upper connecting plate moves upwards, meanwhile, the right moving slide block moves to move the right upper moving rod and the right lower moving rod, so that the upper connecting plate moves upwards, and the supporting legs move upwards by the upward movement of the upper connecting plate, so that the height of the whole chair for students can be adjusted.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right side structure of the right movable slider of the present invention;
FIG. 3 is a schematic view of the left moving block structure of the present invention;
fig. 4 is a left side schematic view of the present invention.
In the figure: the support base 1, 2 supporting legs, 3 backup plates, 4 non-slip mats, 5 backrests, 6 seat boards, 7 connecting blocks, 8 connecting rods, 9 first bearings, 10 torsion springs, 11 upper connecting plates, 12 upper connecting blocks, 13 upper right moving rods, 14 lower right moving rods, 15 right rotating shafts, 16 lower connecting blocks, 17 second bearings, 18 rotating shafts, 19 rotating handles, 20 lower connecting plates, 21 lower left moving rods, 22 upper left moving rods, 23 positive threads, 24 reverse threads, 25 left rotating shafts, 26 right moving sliders and 27 left moving sliders.
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. 1-4, the present invention provides a technical solution: a chair for students in classrooms comprises a supporting seat 1, supporting legs 2, a backup plate 3, a backrest 5 and a seat plate 6, wherein an upper connecting plate 11 is arranged in the supporting seat 1, a through hole matched with a rotating shaft 18 is formed in the left side of the supporting seat 1, the top of the supporting seat 1 is fixedly connected with the top of a non-slip mat 4, the non-slip mat 4 is installed to play a role of anti-slip, two sides of the upper connecting plate 11 are contacted with the inner wall of the supporting seat 1, the bottom of the upper connecting plate 11 is fixedly connected with the top of an upper connecting block 12, the number of the upper connecting blocks 12 is two, the back of the upper connecting block 12 positioned on the right side of the supporting legs 2 is movably hinged with the front of the top end of a right moving rod 13, one end of a right rotating shaft 15 is sleeved at the bottom end of the right moving rod 13, the right side of the rotating shaft 18 is in rolling connection with the left side of a second bearing 17, the right side of the bearing 17 is fixedly connected with the inner wall of the supporting seat 1, the other end of the right rotating shaft 15 is fixedly connected with the front of a right moving slide block 26, the right moving slide block 26 is sleeved on the outer wall of the rotating shaft 18, the outer wall of the rotating shaft 18 is respectively provided with a positive thread 23 and a negative thread 24, the inner wall of the right moving slide block 26 is provided with a first internal thread meshed with the negative thread 24, the outer wall of the rotating shaft 18 is sleeved with a left moving slide block 27, the inner wall of the left moving slide block 27 is provided with a second internal thread meshed with the positive thread 23, the front surface of the left moving slide block 27 is fixedly connected with one end of a left rotating shaft 25, the left end of the rotating shaft 18 penetrates through the left side of the supporting seat 1 to extend and is fixedly connected with the right side of the rotating handle 19, the other end of the left rotating shaft 25 sequentially penetrates through the left upper moving rod 22 and the left lower moving rod 21, the front surface of the top end of the left upper moving rod 22 is movably hinged with the back surface of the upper connecting block 12 positioned on the left side of the supporting leg 2, the bottom of the inner wall of the supporting seat 1 is fixedly connected with the bottom of the lower connecting plate 20, and the top of the lower connecting block 20 is fixedly connected with the bottom of the lower connecting block 16, the number of the lower connecting blocks 16 is two, the back of the lower connecting block 16 positioned at the left side of the supporting leg 2 is movably hinged with the front of the bottom end of the left lower moving rod 21, the back of the lower connecting block 16 positioned at the right side of the supporting leg 2 is movably connected with the front of the bottom end of the right lower moving rod 14, the top end of the right lower moving rod 14 is sleeved on the outer wall of one end of the right rotating shaft 15, the rotating handle 19 is screwed to rotate the rotating shaft 18, the left moving slider 27 and the right moving slider 26 are relatively moved through the rotation of the rotating shaft 18, the left upper moving rod 22, the left lower moving rod 21, the right upper moving rod 13 and the right lower moving rod 14 are moved, so that the upper connecting plate 11 is moved upwards, the supporting leg 2 is moved upwards through the upward movement of the upper connecting plate 11, so that the height of the whole chair for students can be adjusted, the bottom of the supporting leg 2 is fixedly connected with the top of the upper connecting plate 11, the top of the supporting leg 2 extends to be fixedly connected with the bottom of the backup plate 3 through the top of the supporting seat 1, the opening with 2 looks adaptations of supporting leg is seted up at the top of supporting seat 1, the inner wall of backup plate 3 and the left side fixed connection of first bearing 9, the top of backup plate 3 and the bottom fixed connection of back 5, the right side of first bearing 9 and the left side fixed connection of solid connecting rod 8, the top of connecting rod 8 and the bottom fixed connection of torsional spring 10, the top of torsional spring 10 and the top fixed connection of backup plate 3 inner wall, rotate through connecting rod 8 and make torsional spring 10 take place deformation, make bedplate 6 be in the horizontality, when not sitting on bedplate 6, torsional spring 10 recovery state, the right side of connecting rod 8 runs through one side of backup plate 3 and extends to the left side fixed connection with connecting block 7, the right side of connecting block 7 and the left side fixed connection of bedplate 6, and the position of this bedplate 6 is located back 5's dead ahead.
The working principle is as follows: when the chair for students in classroom is used, the rotating shaft 18 is rotated by turning the rotating handle 19, the left moving slider 27 and the right moving slider 26 are relatively moved by the rotation of the rotating shaft 18, the left moving slider 27 moves to move the left moving rod 22 and the left moving rod 21 to move the upper connecting plate 11 upward, and at the same time, the right moving slider 26 moves to move the right moving rod 13 and the right moving rod 14 to move the upper connecting plate 11 upward, and the support legs 2 are moved upward by the upward movement of the upper connecting plate 11, so that the height of the whole chair for students can be adjusted.
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 (6)
1. The utility model provides a student uses chair in classroom, includes supporting seat (1), supporting leg (2), backup plate (3), back (5), bedplate (6), its characterized in that: the supporting seat is characterized in that an upper connecting plate (11) is arranged inside the supporting seat (1), two sides of the upper connecting plate (11) are in contact with the inner wall of the supporting seat (1), the bottom of the upper connecting plate (11) is fixedly connected with the top of an upper connecting block (12), the number of the upper connecting blocks (12) is two, the back face of the upper connecting block (12) on the right side of the supporting leg (2) is movably hinged with the front face of the top end of a right moving rod (13), one end of a right rotating shaft (15) is sleeved at the bottom end of the right moving rod (13), the other end of the right rotating shaft (15) is fixedly connected with the front face of a right moving slider (26), the right moving slider (26) is sleeved on the outer wall of a rotating shaft (18), a positive thread (23) and a reverse thread (24) are respectively arranged on the outer wall of the rotating shaft (18), an inner thread I meshed with the reverse thread (24) is arranged on the inner wall of the right moving slider (26), the outer wall cover of pivot (18) is equipped with left side and removes slider (27), the inner wall of left side removal slider (27) is seted up with the internal thread two of positive thread (23) engaged with, the front of left side removal slider (27) and the one end fixed connection of left pivot (25), the left end of pivot (18) runs through the left side extension of supporting seat (1) and the right side fixed connection of rotatory handle (19), the other end of left pivot (25) runs through upper left removal pole (22), left side removal pole (21) in proper order, the front on the top of upper left removal pole (22) with be located the back activity hinge joint of left last connecting block (12) of supporting leg (2), the bottom of supporting seat (1) inner wall and the bottom fixed connection of lower connecting plate (20), the top of lower connecting plate (20) and the bottom fixed connection of lower connecting block (16), the quantity of lower connecting blocks (16) is two, is located the back of the left lower connecting block (16) of supporting leg (2) is articulated with the front activity of the bottom of the lower moving rod (21) in a left side, is located the back of the lower connecting block (16) on the right side of supporting leg (2) is articulated with the front activity of the bottom of the lower moving rod (14) in a right side, the top end cover of the lower moving rod (14) in the right side is arranged on the outer wall of one end of a right rotating shaft (15), the bottom of the supporting leg (2) is fixedly connected with the top of an upper connecting plate (11), the top of the supporting leg (2) penetrates through the top of a supporting seat (1) and extends to the bottom fixed connection with a backup plate (3), the inner wall of the backup plate (3) is fixedly connected with the left side of a first bearing (9), the right side of the first bearing (9) is fixedly connected with the left side of a fixed connecting rod (8), the top of the connecting rod (8) is fixedly connected with the bottom of a torsion spring (10), the top of torsional spring (10) and the top fixed connection of backup plate (3) inner wall, the right side of connecting rod (8) runs through one side of backup plate (3) and extends to the left side fixed connection with connecting block (7).
2. The chair for students in classroom as claimed in claim 1, wherein: the left side of the supporting seat (1) is provided with a through hole matched with the rotating shaft (18), and the top of the supporting seat (1) is fixedly connected with the top of the non-slip mat (4).
3. The chair for students in classroom as claimed in claim 1, wherein: the right side of the rotating shaft (18) is in rolling connection with the left side of the second bearing (17), and the right side of the bearing (17) is fixedly connected with the inner wall of the supporting seat (1).
4. The chair for students in classroom as claimed in claim 1, wherein: the top of the supporting seat (1) is provided with an opening matched with the supporting leg (2).
5. The chair for students in classroom as claimed in claim 1, wherein: the top of the backup plate (3) is fixedly connected with the bottom of the backrest (5).
6. The chair for students in classroom as claimed in claim 1, wherein: the right side of the connecting block (7) is fixedly connected with the left side of the seat plate (6), and the seat plate (6) is positioned right in front of the backrest (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494955.4U CN214283901U (en) | 2020-07-24 | 2020-07-24 | Chair for students in classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494955.4U CN214283901U (en) | 2020-07-24 | 2020-07-24 | Chair for students in classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214283901U true CN214283901U (en) | 2021-09-28 |
Family
ID=77826494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021494955.4U Active CN214283901U (en) | 2020-07-24 | 2020-07-24 | Chair for students in classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214283901U (en) |
-
2020
- 2020-07-24 CN CN202021494955.4U patent/CN214283901U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230728 Address after: Room 1910, No. 16, Huaxia Road, Tianhe District, Guangzhou, Guangdong 510000 Patentee after: Oriental Standard Education Technology Co.,Ltd. Address before: 4-2, 2 / F, venture building, Deqing science and Technology Park, 345 Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province Patentee before: Huzhou yuebin Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230817 Address after: 4801, No. 28-2 Machang Road, Tianhe District, Guangzhou City, Guangdong Province, 510630 (location: self compiled B) Patentee after: Guangzhou Partner Equity Investment Fund Management Co.,Ltd. Address before: Room 1910, No. 16, Huaxia Road, Tianhe District, Guangzhou, Guangdong 510000 Patentee before: Oriental Standard Education Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |