Desk with adjustable capacity

Abstract

The utility model discloses a desk with adjustable capacity, which comprises a base, hollow rods are fixedly connected to two ends of the top of the base, and threaded rods are rotatably connected to the interiors of the hollow rods, the desk has the advantages that a rotating shaft, the hollow rods, the threaded rods, a sleeve rod, a first bevel gear, a second bevel gear and a turntable are arranged, so that the volume of the desk can be adjusted, and the volume of the desk can be adjusted; the function of adjusting the desk according to different heights of users is realized; by arranging a third fixing plate, a moving plate, a first sliding rod, a connecting frame, a placing frame, a first clamping hole, a first clamping block, a first spring and a first connecting plate, the function of adjusting the storage space of the desk is achieved, and the containing space of the placing frame is increased or decreased; by arranging a first fixing plate, a third fixing plate, a connecting frame, a placing frame, a second fixing plate, a first groove, a second clamping hole, a second clamping block, a second sliding rod, a second spring, a connecting frame and a third spring, the function of taking articles behind the movable plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, in particular to a capacity-adjustable desk. Background Art

[0002] Desks and chairs are one of the most important learning tools in students' learning life, and they accompany students for most of their study time. Most traditional desks and chairs have a single structure. The desk is mainly composed of a desk bracket, a desk hole and a desk board, which are fixed to each other and cannot be adjusted. The height of the desk board cannot be flexibly adjusted according to the height of the students, which affects the students' sitting posture and the comfort of using the desk. The capacity of the desk cannot be adjusted, and it is inconvenient to take items at the back of the placement frame. Utility Model Content

[0003] The purpose of the utility model is to provide a desk with adjustable capacity to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desk with adjustable capacity, comprising a base, wherein both ends of the top of the base are fixedly connected with a hollow rod, a threaded rod is rotatably connected inside the hollow rod, a sleeve rod is threadedly connected to the outside of the threaded rod, a first fixed plate is fixedly connected to one side of the sleeve rod, a table plate is rotatably connected to the top of the first fixed plate, a third fixed plate is fixedly connected to the side of the sleeve rod away from the first fixed plate, the third fixed plate is provided with two groups, a connecting frame is fixedly connected between the two groups of the third fixed plates, a placement frame is slidably connected to the outside of the connecting frame, a first sliding rod is fixedly connected to the bottom of the third fixed plate, a movable plate is slidably connected to the outside of the first sliding rod, one end of the movable plate is fixedly connected to the placement frame, a hollow rod is fixedly connected between the hollow rods, a rotating shaft is rotatably connected inside the hollow rod, two ends of the rotating shaft pass through one side of the hollow rod and extend to the inside of the hollow rod and are fixedly connected to a first bevel gear, a second bevel gear is fixedly connected to the bottom of the threaded rod, and the second bevel gear is meshed with the first bevel gear.

[0005] Preferably, a first clamping hole is provided on one side of the first sliding rod, and a first clamping block is slidably connected inside the movable plate.

[0006] Preferably, a first spring is fixedly connected between one end of the first clamping block away from the first clamping hole and the movable plate, and a first connecting plate is fixed to one side of the movable plate.

[0007] Preferably, a first groove is provided at the top of the sleeve rod, second fixing plates are fixedly connected to both sides of the bottom of the table top, a second clamping hole is provided at the bottom of the second fixing plate, an empty groove is provided inside the sleeve rod, the inside of the empty groove is fixedly connected to the second sliding rod, and a second clamping block is slidably connected to the outer side of the second sliding rod.

[0008] Preferably, a third spring is fixedly connected to one side of the sleeve rod, an end of the third spring away from the sleeve rod is fixedly connected to a connecting frame, and one end of the connecting frame passes through one side of the sleeve rod and extends to the inside of the empty slot to be fixedly connected to the second clamping block.

[0009] Preferably, a second spring is provided on the outer side of the second sliding rod.

[0010] Preferably, one end of the rotating shaft passes through one side of the hollow rod and is fixedly connected to a rotating disk.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging a rotating shaft, a hollow rod, a threaded rod, a sleeve rod, a first bevel gear, a second bevel gear and a rotating disk, the function of adjusting the desk according to the different heights of users is realized; the rotating disk is rotated, the rotating disk rotates with the rotating shaft, the rotating shaft rotates with the first bevel gears at both ends, the first bevel gear rotates with the threaded rod through the second bevel gear, the threaded rod rotates with the sleeve rod to move, the sleeve rod moves with the table top through the first fixed plate, so that the height of the table is adjusted to make the height of the table more suitable for users; by arranging a third fixed plate, a movable plate, a first sliding rod, a connecting frame, a placement frame, a first clamping hole, a first clamping block, a first spring and a first connecting plate, the function of adjusting the storage space of the desk is realized, the first connecting plate is moved, the first connecting plate moves with the first clamping block in the direction of the first spring, the first spring is squeezed, the first spring is squeezed to generate elastic force, the first clamping block is temporarily moved out of the first clamping hole, and the placement The restriction of the frame is to move the placement frame, and the placement frame moves the placement frame with the moving plate along the first sliding rod. When the placement frame moves to a suitable position, the first connecting plate is released, and under the action of elastic force, the first spring brings the first clamping block into a suitable first clamping hole, and the placement frame moves along the outer side of the connecting frame, and the accommodating space of the placement frame is increased or reduced, which is more conducive to storing the user's items; by arranging the first fixed plate, the table plate, the third fixed plate, the connecting frame, the placement frame, the second fixed plate, the first groove, the second clamping hole, the second clamping block, the empty groove, the second sliding rod, the second spring, the connecting frame and the third spring, the function of taking items at the back of the moving plate is realized, the connecting frame is moved, and the connecting frame moves in the direction of the third spring, and the connecting frame moves along the second sliding rod with the second clamping block, and the connection with the second clamping hole is released, and one side of the table plate is lifted, and the table plate leaves the first groove with the second fixed plate, and the table plate leaves the connecting frame and the top of the placement frame, so as to better take the items at the back of the placement frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0013] Figure 2 It is a front view of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of the local A of the utility model;

[0015] Figure 4 It is a schematic diagram of the enlarged structure of the local B of the utility model;

[0016] Figure 5 It is a schematic diagram of the enlarged structure of the local C of the utility model.

[0017] In the figure: 1, base; 2, hollow rod; 3, threaded rod; 4, sleeve rod; 5, hollow rod; 6, rotating shaft; 7, first bevel gear; 8, second bevel gear; 9, first fixed plate; 10, table top; 11, connecting frame; 12, placing frame; 13, first slide bar; 14, moving plate; 15, first clamping hole; 16, first clamping block; 17, first spring; 18, first connecting plate; 19, second fixed plate; 20, first groove; 21, second clamping hole; 22, second clamping block; 23, empty groove; 24, second slide bar; 25, second spring; 26, connecting frame; 27, third spring; 28, turntable; 29, third fixed plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 5The utility model provides a technical solution: a desk with adjustable capacity, comprising a base 1, wherein both ends of the top of the base 1 are fixedly connected with a hollow rod 2, a threaded rod 3 is rotatably connected inside the hollow rod 2, a sleeve rod 4 is threadedly connected to the outer side of the threaded rod 3, the threaded rod 3 is rotated, and the threaded rod 3 rotates and drives the sleeve rod 4 to move up and down in the hollow rod 2 to adjust the height of the desk, a first fixed plate 9 is fixedly connected to one side of the sleeve rod 4, a table board 10 is rotatably connected to the top of the first fixed plate 9, the top of the first fixed plate 9 is hinged to the table board 10, a third fixed plate 29 is fixedly connected to one side of the sleeve rod 4 away from the first fixed plate 9, the third fixed plate 29 is provided with two groups, a connecting frame 11 is fixedly connected between the two groups of the third fixed plates 29, so as to better fix the connecting frame 11, a placement frame 12 is slidably connected to the outer side of the connecting frame 11, The storage space of 12 is expanded, the bottom of the third fixed plate 29 is fixedly connected with the first sliding rod 13, the outer side of the first sliding rod 13 is slidably connected with the moving plate 14, the moving plate 14 moves along the first sliding rod 13, one end of the moving plate 14 is fixedly connected with the placement frame 12, and the moving plate 14 moves with the placement frame 12. A hollow rod 5 is fixedly connected between the hollow rods 2, and the internal rotation of the hollow rod 5 is connected with a rotating shaft 6. Both ends of the rotating shaft 6 pass through one side of the hollow rod 2 and extend to the inside of the hollow rod 2 and are fixedly connected with a first bevel gear 7. The rotation of the rotating shaft 6 rotates the first bevel gears 7 at both ends. The bottom of the threaded rod 3 is fixedly connected with a second bevel gear 8, and the second bevel gear 8 rotates to rotate with the threaded rod 3. The second bevel gear 8 is meshed with the first bevel gear 7, and the first bevel gear 7 rotates to rotate with the second bevel gear 8.

[0020] Furthermore, a first clamping hole 15 is formed on one side of the first sliding rod 13 , and a first clamping block 16 is slidably connected inside the movable plate 14 . The first clamping block 16 cooperates with the first clamping hole 15 to fix the position of the movable plate 14 .

[0021] Furthermore, a first spring 17 is fixedly connected between one end of the first clamping block 16 away from the first clamping hole 15 and the movable plate 14, and a first connecting plate 18 is fixed to one side of the movable plate 14. The movable plate 14 moves with the first clamping block 16, and the first clamping block 16 moves in the direction of the first spring 17. The first spring 17 is squeezed to generate elastic force. When the first spring 17 loses its pressing force, the first spring 17 returns to its original position with the first clamping block 16 under the action of the elastic force.

[0022] Furthermore, a first groove 20 is provided at the top of the sleeve rod 4, and second fixing plates 19 are fixedly connected to both sides of the bottom of the table top 10. The table top 10 moves with the second fixing plate 19 into the first groove 20. A second clamping hole 21 is provided at the bottom of the second fixing plate 19. An empty groove 23 is provided inside the sleeve rod 4. The inside of the empty groove 23 is fixedly connected to the second slide rod 24. The outer side of the second slide rod 24 is slidably connected with a second clamping block 22. The second clamping block 22 cooperates with the second clamping hole 21 to limit the second fixing plate 19 in the first groove 20.

[0023] Furthermore, a third spring 27 is fixedly connected to one side of the sleeve rod 4, and an end of the third spring 27 away from the sleeve rod 4 is fixedly connected to a connecting frame 26. One end of the connecting frame 26 passes through one side of the sleeve rod 4 and extends to the inside of the empty slot 23 and is fixedly connected to the second clamping block 22. The connecting frame 26 is moved, and the connecting frame 26 moves with the second clamping block 22 in the direction of the third spring 27. When the third spring 27 loses its pressing force, the third spring 27 returns to its original position by holding the second clamping block 22 through the connecting frame 26 under the action of the elastic force.

[0024] Furthermore, a second spring 25 is provided on the outer side of the second slide bar 24, and the second clamping block 22 moves to press the second spring 25. When the second spring 25 loses its pressing force, the second spring 25 returns to its original position with the second clamping block 22 under the action of the elastic force.

[0025] Furthermore, one end of the rotating shaft 6 passes through one side of the hollow rod 2 and is fixedly connected to a rotating disk 28 . When the rotating disk 28 is rotated, the rotating shaft 6 is rotated with the rotating disk 28 .

[0026] Specifically, when using the utility model, the turntable 28 is rotated, the turntable 28 rotates with the rotating shaft 6, the rotating shaft 6 rotates with the first bevel gears 7 at both ends, the first bevel gear 7 rotates with the threaded rod 3 through the second bevel gear 8, the threaded rod 3 rotates and drives the sleeve rod 4 to move, the sleeve rod 4 moves with the table top 10 through the first fixed plate 9, the height of the table is adjusted to make the height of the table more suitable for the user, the first connecting plate 18 is moved, the first connecting plate 18 drives the first clamping block 16 to move in the direction of the first spring 17, the first spring 17 is squeezed, the first spring 17 is squeezed to generate elastic force, the first clamping block 16 is temporarily moved out of the first clamping hole 15, the restriction on the placement frame 12 is released, the placement frame 12 is moved, and the placement frame 12 drives the moving plate 14 to move along the first sliding rod 13. When the placement frame After 12 moves to the appropriate position, release the first connecting plate 18, and under the action of elastic force, the first spring 17 brings the first card block 16 into the appropriate first card hole 15, and the placement frame 12 moves along the outer side of the connecting frame 11, and the accommodating space of the placement frame 12 is increased or reduced, which is more conducive to storing the user's items. When it is necessary to take the items at the back of the placement frame 12, move the connecting frame 26, and the connecting frame 26 moves in the direction of the third spring 27. The connecting frame 26 moves and moves along the second slide bar 24 with the second card block 22, and releases the connection with the second card hole 21, and lifts one side of the table top 10. The table top 10 leaves the first groove 20 with the second fixing plate 19, and the table top 10 leaves the connecting frame 11 and the top of the placement frame 12, so as to better take the items at the back of the placement frame 12.

[0027] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A desk with adjustable capacity, comprising a base (1), characterized in that: The top ends of the base (1) are fixedly connected with a hollow rod (2), the interior of the hollow rod (2) is rotatably connected with a threaded rod (3), the outer side of the threaded rod (3) is threadably connected with a sleeve rod (4), one side of the sleeve rod (4) is fixedly connected with a first fixed plate (9), the top of the first fixed plate (9) is rotatably connected with a table top (10), the side of the sleeve rod (4) away from the first fixed plate (9) is fixedly connected with a third fixed plate (29), the third fixed plate (29) is provided with two groups, a connecting frame (11) is fixedly connected between the two groups of the third fixed plates (29), and the outer side of the connecting frame (11) is slidably connected with a placement frame (12) ), the bottom of the third fixed plate (29) is fixedly connected to a first sliding rod (13), the outer side of the first sliding rod (13) is slidably connected to a movable plate (14), one end of the movable plate (14) is fixedly connected to a placement frame (12), a hollow rod (5) is fixedly connected between the hollow rods (2), the interior of the hollow rod (5) is rotatably connected to a rotating shaft (6), both ends of the rotating shaft (6) pass through one side of the hollow rod (2) and extend to the interior of the hollow rod (2) and are fixedly connected to a first bevel gear (7), the bottom of the threaded rod (3) is fixedly connected to a second bevel gear (8), and the second bevel gear (8) is meshingly connected to the first bevel gear (7).

2. The capacity-adjustable desk according to claim 1, characterized in that: A first clamping hole (15) is provided on one side of the first sliding rod (13), and a first clamping block (16) is slidably connected inside the movable plate (14).

3. The capacity-adjustable desk according to claim 2, characterized in that: A first spring (17) is fixedly connected between one end of the first clamping block (16) away from the first clamping hole (15) and the movable plate (14), and a first connecting plate (18) is fixed to one side of the movable plate (14).

4. The capacity-adjustable desk according to claim 1, characterized in that: The top of the sleeve rod (4) is provided with a first groove (20), the bottom sides of the table top (10) are fixedly connected with second fixing plates (19), the bottom of the second fixing plate (19) is provided with a second clamping hole (21), the interior of the sleeve rod (4) is provided with an empty groove (23), the interior of the empty groove (23) is fixedly connected to a second sliding rod (24), and the outer side of the second sliding rod (24) is slidably connected with a second clamping block (22).

5. The capacity-adjustable desk according to claim 1, characterized in that: A third spring (27) is fixedly connected to one side of the sleeve rod (4), and an end of the third spring (27) away from the sleeve rod (4) is fixedly connected to a connecting frame (26). One end of the connecting frame (26) passes through one side of the sleeve rod (4) and extends to the inside of the empty slot (23) to be fixedly connected to the second clamping block (22).

6. The capacity-adjustable desk according to claim 4, characterized in that: A second spring (25) is provided on the outer side of the second sliding rod (24).

7. The capacity-adjustable desk according to claim 1, characterized in that: One end of the rotating shaft (6) passes through one side of the hollow rod (2) and is fixedly connected to a rotating disk (28).

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