CN109619835B - Portable foldable teaching bench - Google Patents
Portable foldable teaching bench Download PDFInfo
- Publication number
- CN109619835B CN109619835B CN201910030419.4A CN201910030419A CN109619835B CN 109619835 B CN109619835 B CN 109619835B CN 201910030419 A CN201910030419 A CN 201910030419A CN 109619835 B CN109619835 B CN 109619835B
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- Prior art keywords
- stool
- leg
- auxiliary leg
- bearing
- adjusting
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- Expired - Fee Related
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- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021178 picnic Nutrition 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/06—Folding forms
Abstract
The invention discloses a portable foldable stool for teaching, which comprises a concave stool surface, wherein stool leg limiting and fixing devices are arranged at four corners of two sides of the surface of the concave stool, a rotary folding stool leg device is arranged on the lower surface of the concave stool surface, stool legs capable of rotating 90 degrees are arranged below the concave stool surface, the stool legs are contracted below the concave stool surface in a folding mode, so that the stool can be folded at any time when not used, and limiting baffle plates are pressed on main legs of the stool legs through rotation of limiting studs, so that the stool legs are well limited after being unfolded, and the stool legs are prevented from being unstable and swinging when the stool is used. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of teaching related equipment, in particular to a portable foldable teaching bench.
Background
At present, along with the acceleration of life rhythm and the increase of study and working pressure, going out leisure and playing become a very good recreational activity of people on busy, this kind of wooden stool is common daily necessities in life, also is an important thing to sit on that the tourism in-process is indispensable, but most of current wooden stools often are fixed structure, and not only occupation space is great, and most are heavy difficult to carry, give people the tourism trip and brought very big inconvenience.
In CN201621250396, a foldable stool, two legs are connected with each other and can rotate relatively, so that the folding and unfolding of the stool are very convenient, and meanwhile, the folding of the stool is very small, the space is saved, the foldable stool is convenient to carry, attractive and simple in structure, low in cost, high in strength, durable, and suitable for various occasions such as fishing, picnic, parks and the like.
However, stools used in classrooms are all high and are of fixed structures, so that the stools are inconvenient to clean in classrooms or carry, the legs of the existing folding stools are short, and the height of the stools used in the classrooms is not enough, so that the use of students cannot be met.
Disclosure of Invention
The invention aims to solve the problems and designs a portable foldable teaching bench.
The technical scheme of the invention is that the portable foldable teaching bench comprises a concave bench surface, bench leg limiting and fixing devices are mounted at four corners of two sides of the concave bench surface, a rotary folding bench leg device is mounted on the lower surface of the concave bench surface, the bench legs capable of rotating by 90 degrees are arranged below the concave bench surface and are contracted below the concave bench surface in a folding mode, so that the bench can be folded at any time when not in use, and the limiting baffle is pressed on the main legs of the bench legs through rotation of the limiting studs, so that the bench legs are well limited after being unfolded, and the bench legs are prevented from being unstable to be fixed and shake when the bench is used.
The stool leg limiting and fixing device comprises four round holes formed in four corners of the side surface of two sides of a concave stool surface, adjusting bearings are movably mounted in the round holes, adjusting rods are mounted in the adjusting bearings, adjusting baffles are mounted at one ends of the adjusting rods and located outside the concave stool surface, rotating handles are mounted in the centers of the side surfaces of the adjusting baffles, adjusting studs are mounted at the other ends of the adjusting rods, four grooves are formed in the four corners of the inner side surface of the concave stool surface and correspond to the four round holes respectively, adjusting supports are movably mounted in the grooves, adjusting threaded holes are formed in the side surfaces of the adjusting supports and are in threaded connection with the adjusting studs, a limiting support is mounted on one side of each adjusting support, a cross limiting rod is mounted on each limiting support, and rotating bearings are mounted on the cross limiting rods, the rotating shaft is installed in the rotating bearing, a limiting baffle is installed at one end of the rotating shaft, an arc-shaped main leg groove is formed in the side surface of the limiting baffle, a connecting column is installed at the lower end of the limiting baffle, and a gravity center block is installed at the lower end of the connecting column.
The rotary folding stool leg device comprises four bearing seats installed at four corners of the lower surface of a concave stool surface, a main leg bearing is installed on each bearing seat, a main leg rotating shaft is installed on each main leg bearing, a main leg sleeve is installed at one end of each main leg rotating shaft, a first supporting tube is installed between two main leg sleeves on one side, a boss groove is formed in one side of the upper end of each main leg sleeve, a main leg telescopic column is movably installed inside each main leg sleeve, an annular stop block is installed on each main leg telescopic column, a compression spring is installed below each annular stop block, one end of each compression spring is fixedly connected with each main leg sleeve, a first auxiliary leg bearing is installed at the lower end of each main leg sleeve, a first auxiliary leg device is installed on each first auxiliary leg bearing, and a supporting boss device is installed on the lower surface of the concave stool surface.
The auxiliary leg device comprises a plurality of auxiliary leg sleeves, two auxiliary leg bearing seats are installed at the upper end and the lower end of each auxiliary leg sleeve, an auxiliary leg bearing II is installed on each auxiliary leg bearing seat, an auxiliary leg rotating shaft is installed on each auxiliary leg bearing II above the auxiliary leg bearing II, the auxiliary leg rotating shaft is fixedly connected with one auxiliary leg bearing II below the next auxiliary leg sleeve, an auxiliary leg telescopic column is movably installed in each auxiliary leg sleeve, an auxiliary leg annular stop block is installed on each auxiliary leg telescopic column, an auxiliary leg compression spring is installed below each auxiliary leg annular stop block, one end of each auxiliary leg compression spring is fixedly connected with each auxiliary leg sleeve, and a supporting tube II is installed between the two auxiliary leg sleeves on one side.
The supporting boss device comprises four boss bases installed at four corners of the lower surface of the concave plate stool surface, limiting bosses are installed on the lower surfaces of the boss bases, and the limiting bosses are movably connected with boss grooves.
The gravity center block is used for keeping the gravity center of the limiting baffle plate, so that the arc-shaped main leg groove is always in a vertical state.
The main leg sleeve is fixed through the compression of the limiting boss and the limiting baffle.
The upper end of the main leg telescopic column is an arc-shaped surface.
The portable foldable stool for teaching manufactured by the technical scheme of the invention can save space after being folded by folding the main leg sleeve and the auxiliary leg sleeve in the concave stool surface, the main leg sleeve and the auxiliary leg sleeve are mutually pressed by the limiting boss after being unfolded, so that the main leg sleeve and the auxiliary leg sleeve are fixed into a stool leg, the limiting baffle is pressed on the main leg sleeve by rotating the handle, and the main leg sleeve is fixed by the interaction of the main leg sleeve and the limiting boss, so that the stool is stable in use and does not generate any shaking.
Drawings
FIG. 1 is a schematic structural view of a portable foldable teaching stool according to the present invention;
FIG. 2 is a schematic view of a limiting and fixing device for stool legs according to the present invention;
FIG. 3 is a schematic view of the arcuate main leg recess of the present invention;
FIG. 4 is a schematic view of the rotating folding stool leg apparatus of the present invention;
FIG. 5 is a schematic view of the folding of the rotary folding stool leg device of the present invention;
in the figure, 1, a concave bench surface; 2. a circular hole; 3. adjusting the bearing; 4. adjusting a rod; 5. adjusting the baffle; 6. rotating the handle; 7. adjusting the stud; 8. a groove; 9. adjusting the support; 10. adjusting the threaded hole; 11. a limiting bracket; 12. a cross limiting rod; 13. a rotating bearing; 14. a rotating shaft; 15. a limit baffle; 16. an arc-shaped main leg groove; 17. connecting columns; 18. a gravity center block; 19. a bearing seat; 20. a main leg bearing; 21. a main leg shaft; 22. a main leg sleeve; 23. a first support pipe; 24. a boss groove; 25. a main leg telescopic column; 26. an annular stop block; 27. a compression spring; 28. a first auxiliary leg bearing; 29. a secondary leg sleeve; 30. a sub-leg bearing seat; 31. a secondary leg bearing II; 32. a sub-leg rotating shaft; 33. a secondary leg telescopic column; 34. an auxiliary leg annular stop block; 35. the auxiliary leg compresses the spring; 36. a second supporting tube; 37. a boss base; 38. and a limiting boss.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-5, in this embodiment:
when the bench needs to be used, the device is taken out firstly, the main leg sleeve 22 is rotated by a small angle, then the auxiliary leg sleeve 29 and the main leg sleeve 22 are manually rotated to enable the main leg sleeve 22 and the auxiliary leg sleeve 29 to form a bench leg, at the moment, the main leg sleeve 22 is rotated to a vertical angle by rotating the main leg sleeve 22, when the main leg sleeve 22 rotates, the limit boss 38 on the lower surface of the concave stool surface 1 starts to contact with the boss groove 24 on the main leg sleeve 22, the limit boss 38 contacts with the arc surface at the upper end of the main leg telescopic column 25 to compress the main leg telescopic column 25 downwards, the main leg telescopic column 25 is inserted into the auxiliary leg sleeve 29 downwards, meanwhile, the auxiliary leg telescopic column 33 is pressed downwards, so that the auxiliary leg telescopic column 33 is inserted into the next auxiliary leg sleeve 29, and the stool leg formed by the main leg sleeve 22 and the auxiliary leg sleeve 29 is fixed;
at the moment, the stool legs are assembled, the rotating handle 6 is manually rotated, the rotating handle 6 drives the adjusting stud 7 to rotate through the adjusting baffle 5, the adjusting stud 7 rotates to enable the adjusting support 9 to start sliding in the groove 8, so that the limiting support 11 is driven to move, the limiting baffle 15 on the limiting support 11 enables the arc-shaped main leg groove 16 on the limiting baffle 15 to be always in the vertical direction under the action of the gravity center block 18, after the limiting baffle 15 moves for a certain distance, the arc-shaped main leg groove 16 on the limiting baffle 15 is in contact with the main leg sleeve 22 at the moment, so that the main leg sleeve 22 is fixed through the interaction of the limiting baffle 15 and the limiting boss 38, and the main leg sleeve 22 is in the vertical direction and is firmly fixed;
the stool can be used after the other stool legs are assembled by the method, and when the stool needs to be folded;
firstly, the handle 6 is rotated in a reverse direction, the adjusting support 9 starts to be retracted into the groove 8, so that the limiting baffle 15 is driven to be separated from the main leg sleeve 22, at the moment, the boss groove 24 on the main leg sleeve 22 is separated from the limiting boss 38 by rotating the main leg sleeve 22 by a certain angle, so that the main leg telescopic column 25 is restored to the original position through the compression spring 27, the auxiliary leg telescopic column 33 is restored to the original position through the auxiliary leg compression spring 35, so that the main leg telescopic column 25 is separated from the auxiliary leg sleeve 29, meanwhile, the auxiliary leg sleeve 29 is separated from the auxiliary leg sleeve 29, and at the moment, the auxiliary leg sleeve 29 and the main leg sleeve 22 are folded to pack up the bench.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (4)
1. A portable foldable stool for teaching comprises a concave stool surface (1) and is characterized in that stool leg limiting and fixing devices are mounted at four corners of two sides of the concave stool surface (1), a rotary folding stool leg device is mounted on the lower surface of the concave stool surface (1), stool legs capable of rotating by 90 degrees are arranged below the concave stool surface (1), the stool legs are contracted below the concave stool surface in a folding mode, so that the stool can be folded at any time when not used, and limiting baffles are pressed onto main legs of the stool legs through rotation of limiting studs, so that the stool legs are well limited after being unfolded, and the stool legs are prevented from being unstable and shaking when the stool is used;
the limiting and fixing device for the stool legs comprises a concave stool surface (1), four round holes (2) are formed in four corners of the side surface of two sides of the concave stool surface, an adjusting bearing (3) is movably mounted in each round hole (2), an adjusting rod (4) is mounted in each adjusting bearing (3), an adjusting baffle (5) is mounted at one end of each adjusting rod (4), each adjusting baffle (5) is located outside the concave stool surface (1), a rotating handle (6) is mounted in the center of the side surface of each adjusting baffle (5), an adjusting stud (7) is mounted at the other end of each adjusting rod (4), four grooves (8) are formed in the four corners of the inner side surface of the concave stool surface (1), the four grooves (8) correspond to the four round holes (2) respectively, an adjusting support (9) is movably mounted in each groove (8), and an adjusting threaded hole (10) is formed in the side surface of each adjusting support (9), the adjusting screw hole (10) is in threaded connection with the adjusting stud (7), a limiting support (11) is installed on one side of the adjusting support (9), a cross limiting rod (12) is installed on the limiting support (11), a rotating bearing (13) is installed on the cross limiting rod (12), a rotating shaft (14) is installed in the rotating bearing (13), a limiting baffle (15) is installed at one end of the rotating shaft (14), an arc-shaped main leg groove (16) is formed in the side surface of the limiting baffle (15), a connecting column (17) is installed at the lower end of the limiting baffle (15), and a gravity center block (18) is installed at the lower end of the connecting column (17);
the rotary folding stool leg device comprises four bearing seats (19) arranged at four corners of the lower surface of a concave stool surface (1), a main leg bearing (20) is arranged on each bearing seat (19), a main leg rotating shaft (21) is arranged on each main leg bearing (20), a main leg sleeve (22) is arranged at one end of each main leg rotating shaft (21), a first supporting pipe (23) is arranged between the two main leg sleeves (22) on one side, a boss groove (24) is formed in one side of the upper end of each main leg sleeve (22), a main leg telescopic column (25) is movably arranged in each main leg sleeve (22), an annular stop block (26) is arranged on each main leg telescopic column (25), a compression spring (27) is arranged below each annular stop block (26), one end of each compression spring (27) is fixedly connected with each main leg sleeve (22), and a first auxiliary leg bearing (28) is arranged at the lower end of each main leg sleeve (22), an auxiliary leg device is arranged on the auxiliary leg bearing I (28), and a supporting boss device is arranged on the lower surface of the concave stool surface (1);
the auxiliary leg device comprises a plurality of auxiliary leg sleeves (29), an auxiliary leg bearing seat (30) is installed at the top end of the auxiliary leg sleeve (29) located at the lowest position in the auxiliary leg sleeve (29), auxiliary leg bearing seats (30) are installed at the upper end and the lower end of the rest of the auxiliary leg sleeves (29), an auxiliary leg bearing II (31) is installed on the auxiliary leg bearing seat (30), auxiliary leg rotating shafts (32) are installed on the auxiliary leg bearing II (31) at the top end of the auxiliary leg sleeve (29), the auxiliary leg rotating shafts (32) located at the top in the auxiliary leg rotating shafts (32) are fixedly connected with an auxiliary leg bearing I (28), the rest of the auxiliary leg rotating shafts (32) are fixedly connected with an auxiliary leg bearing II (31) at the bottom end of the adjacent auxiliary leg sleeve (29), an auxiliary leg telescopic column (33) is movably installed in the auxiliary leg sleeve (29), and an auxiliary leg annular stop dog (34) is installed on the auxiliary leg telescopic column (33), an auxiliary leg compression spring (35) is installed below the auxiliary leg annular stop block (34), one end of the auxiliary leg compression spring (35) is fixedly connected with an auxiliary leg sleeve (29), and a second support pipe (36) is installed between the two auxiliary leg sleeves (29) on one side;
support boss device includes four boss bases (37) are installed to concave plate bench face (1) lower surface four corners department, install spacing boss (38) on boss base (37) lower surface, spacing boss (38) and boss recess (24) swing joint.
2. A portable foldable stool for teaching as claimed in claim 1, characterized in that said mass (18) is adapted to maintain the mass of the limit stop (15) in a position such that the arc-shaped main leg recess (16) is always vertical.
3. A portable foldable teaching bench according to claim 1 characterized in that the main leg sleeves (22) are fixed by compression of limit bosses (38) and limit stops (15).
4. A portable foldable teaching bench according to claim 1 characterized in that the upper end of the main leg telescopic column (25) is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030419.4A CN109619835B (en) | 2019-01-14 | 2019-01-14 | Portable foldable teaching bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030419.4A CN109619835B (en) | 2019-01-14 | 2019-01-14 | Portable foldable teaching bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109619835A CN109619835A (en) | 2019-04-16 |
| CN109619835B true CN109619835B (en) | 2021-12-07 |
Family
ID=66060612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030419.4A Expired - Fee Related CN109619835B (en) | 2019-01-14 | 2019-01-14 | Portable foldable teaching bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109619835B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100009845U (en) * | 2009-03-30 | 2010-10-08 | 송근성 | Potable and foldable pedestal |
| US8075059B2 (en) * | 2006-08-25 | 2011-12-13 | North Pole Limited | Portable seating system and method of manufacture |
| CN202151229U (en) * | 2011-07-01 | 2012-02-29 | 袁唯 | Novel folding chair |
| CN202457368U (en) * | 2012-02-15 | 2012-10-03 | 陈少军 | Novel bench |
| CN205018603U (en) * | 2015-10-12 | 2016-02-10 | 鞠昌宏 | Portable collapsible stool |
| CN206699837U (en) * | 2016-12-22 | 2017-12-05 | 山西大学 | A kind of portable folding adjustment height stool |
-
2019
- 2019-01-14 CN CN201910030419.4A patent/CN109619835B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8075059B2 (en) * | 2006-08-25 | 2011-12-13 | North Pole Limited | Portable seating system and method of manufacture |
| KR20100009845U (en) * | 2009-03-30 | 2010-10-08 | 송근성 | Potable and foldable pedestal |
| CN202151229U (en) * | 2011-07-01 | 2012-02-29 | 袁唯 | Novel folding chair |
| CN202457368U (en) * | 2012-02-15 | 2012-10-03 | 陈少军 | Novel bench |
| CN205018603U (en) * | 2015-10-12 | 2016-02-10 | 鞠昌宏 | Portable collapsible stool |
| CN206699837U (en) * | 2016-12-22 | 2017-12-05 | 山西大学 | A kind of portable folding adjustment height stool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109619835A (en) | 2019-04-16 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |