CN211065579U

CN211065579U - Height-adjustable desk for students

Info

Publication number: CN211065579U
Application number: CN201921139686.7U
Authority: CN
Inventors: 周涵硕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-07-24
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a height-adjustable desk for students, which comprises a desktop plate, lifting rods and a supporting plate, wherein the lifting rods are symmetrically fixed on the two sides of the lower surface of the desktop plate, the lifting rods are T-shaped, the supporting plate is arranged below the desktop plate, T-shaped chutes are symmetrically arranged on one side of the supporting plate, the supporting plate is connected with the lifting rods in a sliding way through the T-shaped chutes, the symmetrical middle parts of the T-shaped chutes are provided with second worms, the two ends of each second worm are rotatably connected with fixing strips, the fixing strips are fixedly connected on the supporting plate, the top end of each second worm is fixedly connected with a third knob, the two sides of each second worm are symmetrically provided with fixing columns, the height of the desktop plate can be adjusted according to actual conditions by the height-adjustable desk for students, a food storage box is fixedly connected on the upper surface of the, easy to adjust and strong in practicability.

Description

Height-adjustable desk for students

Technical Field

The utility model relates to a desk field specifically is a student uses desk of adjustable height.

Background

The existing table is an indispensable daily necessity in daily life, the height of the table used by people is fixed, the height of the table required by each person is different, when the height of the table needs to be increased, objects can only be padded under the bottoms of the table legs, so that the height of the table is increased, time and labor are wasted, and the requirements of different people cannot be met when the table is used.

The desk height-fixing in student classroom, but student's height is not unified yet, and some students are tall in stature, and the desk is just short relatively, and some students are short in stature, and the desk is just tall relatively, and only the student's height of a few part suits with the height of desk, and most height is very difficult with the desk height, and the desk that student used now does not have stationery collection storage box yet, and stationery is accomodate inconveniently, for this reason, we propose a student with adjustable height desk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a student uses desk of adjustable height to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable desk for students comprises a desktop plate, lifting rods and a supporting plate, wherein the lifting rods are symmetrically fixed on two sides of the lower surface of the desktop plate and are T-shaped, the supporting plate is arranged below the desktop plate, T-shaped sliding grooves are symmetrically formed in one side of the supporting plate, the supporting plate is in sliding connection with the lifting rods through the T-shaped sliding grooves, second worms are arranged in the symmetrical middle of the T-shaped sliding grooves, two ends of each second worm are rotatably connected with fixing strips, the fixing strips are fixedly connected onto the supporting plate, the top ends of the second worms are fixedly connected with third knobs, second fixing columns are symmetrically arranged on two sides of the second worms, the second fixing columns are fixedly connected onto the supporting plate close to one side of the third knobs, worm wheels are rotatably connected onto the second fixing columns, and the outer sides of the worm wheels are respectively in meshed connection with the second worms, the rack is fixedly connected to one side, far away from the desktop plate, of the lifting rod, and a storage box is fixedly connected to the upper portion of the desktop plate.

Preferably, the storage box comprises a box cover and a box body, the box cover is detachably connected with the box body, the box body is cylindrical, a damp-proof plate is arranged at the bottom of the box body, the damp-proof plate is slidably connected with the inner wall of the box body, the damp-proof plate is tightly attached to the inner wall of the box body, a connecting column is fixed at the center of the upper surface of the damp-proof plate, the other end of the connecting column, which is symmetrically fixed with a partition plate, is slidably connected with the inner wall of the box body, a first knob is arranged above one end of the connecting column, which is far away from the damp-proof plate, a connecting shaft is arranged below the first knob, the connecting shaft is fixedly connected with the first knob, a driving gear is fixedly connected at one end of the connecting shaft, which is far away from the first knob, a column groove is formed, first fixed column fixed connection, driving gear, driven gear, first fixed column all are located the post inslot, driven gear's outside fixedly connected with baffle, the opposite side of baffle and the inner wall sliding connection of box body, box body bottom center below is equipped with the second knob, lift adjusting device is installed to the top of second knob.

Preferably, clamping blocks are arranged at two ends of the rack.

Preferably, the driven gear is in sliding connection with the column groove, and the driven gear is attached to the inner wall of the column groove.

Preferably, the upper surface of spliced pole sliding connection has spacing, one side fixed connection of spacing is on the connecting axle, threaded hole has been seted up to one side of spacing, threaded hole swing joint has spacing bolt, spacing hole has been seted up to the below of threaded hole, and spacing hole distribution is at the upper surface of spliced pole.

Preferably, the lifting adjusting device comprises a second knob, a worm and a rack, the worm is fixedly connected to the upper portion of the second knob, a hole groove is formed in the lower portion of the column groove, the hole groove extends to the bottom of the box body, one end, far away from the second knob, of the worm is located inside the hole groove, the rack is meshed and connected to the outer side of the worm, and the rack is fixedly connected to the inner wall of the hole groove.

Preferably, the outer sides of the first knob, the limiting bolt and the second knob are provided with anti-skid grains.

Preferably, the lifting adjusting device comprises a second knob, a first worm and a rack, the first worm is fixedly connected to the upper portion of the second knob, a hole groove is formed in the lower portion of the column groove, the hole groove extends to the bottom of the box body, one end, far away from the second knob, of the first worm is located inside the hole groove, the rack is meshed and connected to the outer side of the first worm, and the rack is fixedly connected to the inner wall of the hole groove.

Preferably, an arc-shaped connecting plate is fixedly connected to the lower portion of the bottom of the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the upper surface of desktop board fixedly connected with storage box, be convenient for the storage of stationery, through rotating first knob, drive the rotation of the connecting axle fixedly connected with first knob, and the other end fixedly connected with driving gear of connecting axle, and then drive the rotation of driving gear, the outside meshing of driving gear is connected with driven gear, and driving gear and driven gear all are in the post groove that the spliced pole was seted up, be sliding connection between driven gear and the fixed column, the fixed column is located the post groove, and with spliced pole fixed connection, driven gear's outside fixedly connected with baffle, the opposite side of baffle and box body inner wall sliding connection and closely laminating, spacing is carried out through stop device again, reach the purpose of categorised placing according to the actual demand, through rotating the second knob, drive the rotation of the worm with second knob fixed connection, the rotation of first worm drives the rotation of the rack rather than the meshing is connected, because rack fixed connection is at the inner wall in hole groove, so whole inside storage space can follow and rise or descend, conveniently deposits or takes out article.

2. The utility model discloses simple worm gear structure drives the rotation of the worm wheel rather than meshing and being connected through adjusting the second worm, and the worm wheel is connected with the rack toothing of fixed connection on the lifter again, so adjust the worm and can realize reciprocating of desktop board, and worm gear structure has self-locking function, and is very practical.

Drawings

FIG. 1 is a schematic view of the overall structure of the desk of the present invention;

fig. 2 is a front view structure diagram of the storage box of the present invention;

fig. 3 is a schematic top view of the storage box of the present invention;

fig. 4 is a schematic sectional view of the storage box of the present invention;

fig. 5 is a schematic structural view of the storage box limiting device of the present invention;

fig. 6 is a schematic view of the storage box of the present invention;

fig. 7 is a left structural schematic view of the storage box of the present invention;

fig. 8 is a schematic structural view of the storage box lifting adjusting device of the present invention;

FIG. 9 is a schematic view of the lifting structure of the desk of the present invention;

FIG. 10 is a cross-sectional view of the table of the present invention;

fig. 11 is a schematic view of the fitting structure of the second worm and the fixing strip of the present invention;

fig. 12 is a schematic view of the structure of the lifting rod and the T-shaped sliding groove of the present invention.

In the figure: 1. a box cover; 2. a box body; 3. a moisture-proof plate; 4. connecting columns; 5. a first knob; 6. a connecting shaft; 7. a driving gear; 8. a driven gear; 9. a baffle plate; 10. a partition plate; 11. a first fixed column; 12. A column groove; 13. a limiting strip; 14. a threaded hole; 15. a limiting hole; 16. a limit bolt; 17. anti-skid lines; 18. a second knob; 19. a first worm; 20. a hole groove; 21. a rack; 22. an arc-shaped connecting plate; 23. a lift adjustment device; 24. a table top plate; 25. a lifting rod; 26. a support plate; 27. a T-shaped chute; 28. a second worm; 29. a fixing strip; 30. a third knob; 31. a second fixed column; 32. a worm gear; 33. a storage box; 34. and (7) clamping blocks.

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. 1-12, the present invention provides a technical solution: a height-adjustable desk for students comprises a desktop plate 24, lifting rods 25 and a supporting plate 26, wherein the lifting rods 25 are symmetrically fixed on two sides of the lower surface of the desktop plate 24, the lifting rods 25 are T-shaped, the supporting plate 26 is arranged below the desktop plate 24, T-shaped sliding grooves 27 are symmetrically formed in one side of the supporting plate 26, the supporting plate 26 is slidably connected with the lifting rods 25 through the T-shaped sliding grooves 27, a second worm 28 is arranged in the symmetrical middle of the T-shaped sliding grooves 27, two ends of the second worm 28 are rotatably connected with fixing strips 29, the fixing strips 29 are fixedly connected on the supporting plate 26, a third knob 30 is fixedly connected to the top end of the second worm 28, second fixing columns 32 are symmetrically arranged on two sides of the second worm 28, the second fixing columns 32 are fixedly connected on the supporting plate close to one side of the third knob 30, worm wheels 32 are rotatably connected on the second fixing columns 32, the outer side of the worm wheel 32 is respectively engaged with the second worm 28 and the rack 21, the rack 21 is fixedly connected to one side of the lifting rod 25 far away from the table top plate, and the storage box 34 is fixedly connected above the table top plate 24.

The storage box 34 comprises a box cover 1 and a box body 2, the box cover 1 is detachably connected with the box body 2, the box body 2 is cylindrical, a damp-proof plate 3 is arranged at the bottom of the box body 2, the damp-proof plate 3 is slidably connected with the inner wall of the box body 2, the damp-proof plate 3 is tightly attached to the inner wall of the box body 2, a connecting column 4 is fixed at the center of the upper surface of the damp-proof plate 3, a partition plate 10 is symmetrically fixed at the outer side of the connecting column 4, the other end of the partition plate 10 is slidably connected with the inner wall of the box body 2, a first knob 5 is arranged above one end, away from the damp-proof plate 3, of the connecting column 4, a connecting shaft 6 is arranged below the first knob 5, the connecting shaft 6 is fixedly connected with the first knob 5, one end, away from the first knob 5, of the connecting shaft, the utility model discloses a stationery box, including box body 2, driving gear 7, driven gear 8 and first fixed column 11 sliding connection, first fixed column 11 and spliced pole 4 fixed connection, driving gear 7, driven gear 8, first fixed column 11 all are located post groove 12, driven gear 8's outside fixedly connected with baffle 9, the opposite side of baffle 9 and the inner wall sliding connection of box body 2, 2 bottom center below of box body is equipped with second knob 18, lift adjusting device 23 is installed to the top of second knob 18, mainly used accomodates stationery, can classify the stationery and place, and the lift adjusting device of also adjustable bottom realizes that inside storage space rises or the purpose that descends, conveniently gets to take.

Two ends of the rack 21 are provided with clamping blocks 27 to prevent the worm wheel 32 from being separated from the rack 21.

Driven gear 8 and post groove 12 sliding connection, and driven gear 8 and the laminating of post groove 12 inner wall guarantee the compactness of whole structure.

The last surface sliding connection of spliced pole 4 has spacing 13, one side fixed connection of spacing 13 is on connecting axle 6, one side that connecting axle 6 was kept away from to spacing 13 has seted up threaded hole 14, threaded hole 14 swing joint has spacing bolt 16, spacing hole 15 has been seted up to threaded hole 14's below, and spacing hole 15 distributes at spliced pole 4's upper surface, plays limiting displacement, guarantees that the baffle can not slide after adjusting.

The outer sides of the first knob 5, the limiting bolt 16 and the second knob 18 are all provided with anti-slip threads 17, so that the sliding is prevented, and the operation is convenient.

Lift adjusting device 23 includes second knob 18, first worm 19 and rack 21, the first worm 19 of top fixedly connected with of second knob 18, hole groove 20 has been seted up to the below of post groove 12, and hole groove 20 extends to the bottom of box body 2, the one end that second knob 18 was kept away from to first worm 19 is located hole groove 20 inside, the outside meshing of first worm 19 is connected with rack 21, rack 21 fixed connection can adjust inside storage space at the inner wall of hole groove 20, controls its rising or decline, conveniently gets to take.

The arc-shaped connecting plate 22 is fixedly connected to the lower portion of the bottom of the box body 2, and plays a supporting role and facilitates adjustment of the lifting adjusting device.

The working principle is as follows: the connecting shaft 6 fixedly connected with the first knob 5 is driven to rotate by rotating the first knob 5, the other end of the connecting shaft 6 is fixedly connected with the driving gear 7, and further drives the driving gear 7 to rotate, the outer side of the driving gear 7 is engaged and connected with the driven gear 8, the driving gear 7 and the driven gear 8 are both positioned in the column groove 12 formed in the connecting column 4, the driven gear 8 is in sliding connection with the first fixing column 11, the first fixing column 11 is positioned in the column groove 12 and is fixedly connected with the connecting column 4, the outer side of the driven gear 8 is fixedly connected with the baffle 9, the other side of the baffle 9 is in sliding connection with the inner wall of the box body 2 and is tightly attached, so that the sealing performance of the structure can be ensured, the worm 19 fixedly connected with the second knob 18 is driven to rotate by rotating the second knob 18, and the rack 21 engaged and connected with the second knob is driven to rotate, because rack 21 fixed connection is at the inner wall of hole groove 20, so whole dampproofing board 3 and above part can then rise or descend, reach the purpose of conveniently getting and putting, whole storage box desk is adjusted through simple worm gear structure and is gone up and down, rotate third knob 30, drive the rotation of second worm 28, the rotation of second worm 28 drives the rotation of worm wheel 32, the outside meshing of worm wheel 32 is connected with rack 21, rack 21 fixed connection is in the one end that desktop board 24 was kept away from to lifter 25, it can realize reciprocating of lifter 25 to rotate third knob 30, and the worm gear structure has self-locking function, reach with student's height assorted mesh.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A height-adjustable table for students, comprising a table top (24), a lifting rod (25) and a supporting plate (26), characterized in that: the lifting rods (25) are symmetrically fixed on two sides of the lower surface of the table top plate (24), the lifting rods (25) are T-shaped, a supporting plate (26) is arranged below the table top plate (24), T-shaped sliding grooves (27) are symmetrically formed in one side of the supporting plate (26), the supporting plate (26) is in sliding connection with the lifting rods (25) through the T-shaped sliding grooves (27), a second worm (28) is arranged in the symmetrical middle of the T-shaped sliding grooves (27), two ends of the second worm (28) are rotatably connected with fixing strips (29), the fixing strips (29) are fixedly connected onto the supporting plate (26), a third knob (30) is fixedly connected to the top end of the second worm (28), second fixing columns (31) are symmetrically arranged on two sides of the second worm (28), and the second fixing columns (31) are fixedly connected onto the supporting plate close to one side of the third knob (30), the second fixing column (31) is rotatably connected with a worm wheel (32), the outer side of the worm wheel (32) is respectively connected with a second worm (28) and a rack (21) in a meshed mode, the rack (21) is fixedly connected to one side, far away from the table top plate, of the lifting rod (25), and a storage box (33) is fixedly connected to the upper portion of the table top plate (24).

2. A student's adjustable height table according to claim 1 wherein: the storage box (33) comprises a box cover (1) and a box body (2), the box cover (1) is detachably connected with the box body (2), the box body (2) is cylindrical, a damp-proof plate (3) is arranged at the bottom of the box body (2), the damp-proof plate (3) is connected with the inner wall of the box body (2) in a sliding manner, the damp-proof plate (3) is tightly attached to the inner wall of the box body (2), a connecting column (4) is fixed at the center of the upper surface of the damp-proof plate (3), a partition plate (10) is symmetrically fixed at the outer side of the connecting column (4), the other end of the partition plate (10) is connected with the inner wall of the box body (2) in a sliding manner, a first knob (5) is arranged above one end, far away from the damp-proof plate (3), of the connecting column (4), a connecting shaft (6) is arranged below the first knob (5), one end of the connecting shaft (6) far away from the first knob (5) is fixedly connected with a driving gear (7), a column groove (12) is arranged at one end of the connecting column (4) close to the connecting shaft, the driving gear (7) is engaged with a driven gear (8), the driven gear (8) is in sliding connection with a first fixed column (11), the first fixed column (11) is fixedly connected with the connecting column (4), the driving gear (7), the driven gear (8) and the first fixed column (11) are all positioned in the column groove (12), the outer side of the driven gear (8) is fixedly connected with a baffle (9), the other side of the baffle (9) is connected with the inner wall of the box body (2) in a sliding way, and a second knob (18) is arranged below the center of the bottom of the box body (2), and a lifting adjusting device (23) is arranged above the second knob (18).

3. A student's adjustable height table according to claim 1 wherein: clamping blocks (34) are arranged at two ends of the rack (21).

4. A student's adjustable height table according to claim 2 wherein: driven gear (8) and post groove (12) sliding connection, and driven gear (8) and the laminating of post groove (12) inner wall.

5. A student's adjustable height table according to claim 2 wherein: the last surface sliding connection of spliced pole (4) has spacing (13), one side fixed connection of spacing (13) is on connecting axle (6), one side set up screw hole (14) that connecting axle (6) were kept away from in spacing (13), screw hole (14) swing joint has spacing bolt (16), spacing hole (15) have been seted up to the below of screw hole (14), and spacing hole (15) distribute at the upper surface of spliced pole (4).

6. A student's adjustable height table according to claim 2 wherein: the outer sides of the first knob (5), the limiting bolt (16) and the second knob (18) are all provided with anti-skid grains (17).

7. A student's adjustable height table according to claim 2 wherein: lifting adjusting device (23) include second knob (18), first worm (19) and rack (21), the first worm (19) of top fixedly connected with of second knob (18), hole groove (20) have been seted up to the below of post groove (12), and hole groove (20) extend to the bottom of box body (2), the one end that second knob (18) were kept away from in first worm (19) is located inside hole groove (20), the outside meshing of first worm (19) is connected with rack (21), rack (21) fixed connection is at the inner wall of hole groove (20).

8. A student's adjustable height table according to claim 2 wherein: an arc-shaped connecting plate (22) is fixedly connected below the bottom of the box body (2).