Height-adjustable desk
By incorporating an active gear and connecting plate design, a low-cost and convenient desk height adjustment system is achieved, solving the problems of high cost and difficult maintenance in existing technologies. This system is suitable for teaching scenarios and improves user comfort.
Patent Information
- Application Number
- CN202520031119.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing height-adjustable desks using servo systems are costly and difficult to maintain, making them unsuitable for teaching scenarios.
The desk features a design with a drive gear and a connecting plate. The height of the desk can be adjusted by stepping on a triangular plate. The drive gear and auxiliary gear mesh to achieve height adjustment, and the height is fixed by a locking plate.
It reduces production costs, simplifies adjustment methods, is suitable for large-scale promotion in schools and other places, provides a comfortable sitting posture, and improves the user's comfort during long periods of time.
Smart Images
Figure CN223873505U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of adjustable desk, especially height adjustable desk. BACKGROUND
[0002] Desk is a daily life in life supplies, desk is a kind of type of table, and table is a kind of commonly used furniture, and the raw material for making is mainly wood, and there is plane on it, and there is support column below, can put things, do things, eat, write, work etc. on it, is the furniture fixed by smooth flat plate, leg and other support, can also be used as noun in language, in order to cater to the public demand, the type of table is various, and table can be divided into many categories according to demand, such as office table, dining table, desk, computer desk, lectern etc., usually, the desk mainly used in primary school, junior high school, high school of each level school;
[0003] And the height adjustment desk in the prior art is generally adjusted by using servo system and driving system to lift, but the production cost of the desk is higher, and the difficulty of damage and maintenance is higher, and it is not suitable for teaching the use scene of the desk.
[0004] Therefore, it is necessary to provide a height adjustable desk to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a height adjustable desk to solve the problem that electric desk is not suitable for teaching scene.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a height adjustable desk, including desk body and two table legs for supporting the desk body, gear cavity is set up on the upper end of the table leg, the inner side of the gear cavity is movably provided with a connecting plate, the lower end of the desk body is fixedly provided with two fixed frames, the connecting plate is fixedly connected with the inner wall of the fixed frame;
[0007] The inner side of the gear cavity is rotatably provided with a driving gear, one end of the connecting plate is fixedly provided with a toothed plate, and the driving gear and the toothed plate are engaged with each other.
[0008] A connecting rod is movably arranged between the two table legs, the end of the connecting rod is fixedly connected with the corresponding driving gear, and two triangular plates are fixedly arranged on the outer side of the connecting rod.
[0009] Preferably, the inner side of the gear cavity is rotatably provided with an auxiliary gear, and the auxiliary gear and the toothed plate are engaged with each other.
[0010] Preferably, one end of the driving gear is fixedly provided with a first clamping disc, the inner wall of the gear cavity corresponding to the first clamping disc is provided with a first clamping hole, and the first clamping disc is clamped in the inner side of the first clamping hole.
[0011] Preferably, one end of the other driving gear is fixedly provided with a second clamping disc, and a second clamping hole is formed in the inner wall of the gear cavity corresponding to the second clamping disc, and the second clamping disc is clamped in the inner side of the second clamping hole.
[0012] Preferably, the first clamping disc and the second clamping disc are both provided in the shape of a gear.
[0013] Preferably, a plurality of grooves are formed in the outer side of the triangular plate, and a pedal is fixedly arranged in the inner side of the groove, and the pedal is arranged in an inclined manner.
[0014] The technical effects and advantages of the utility model are as follows:
[0015] 1. By arranging the driving gear and the connecting plate, when the user needs to lift the desk body, the user can lift the desk body by stepping, so as to replace the servo-driven lifting, the production cost is low, the adjustment mode is simple, and the desk is suitable for large-scale promotion in schools.
[0016] 2. By arranging the triangular plate, the user can not only adjust the height of the desk body, but also can put the foot on the triangular plate or the connecting rod, so as to provide a comfortable sitting posture for the user when using the desk, and improve the comfort of sitting in front of the desk for a long time. DRAWINGS
[0017] Figure 1 It is a first view structure schematic drawing of the height-adjustable desk of the utility model.
[0018] Figure 2 It is a second view structure schematic drawing of the height-adjustable desk of the utility model.
[0019] Figure 3 It is a gear cavity structure schematic drawing of the utility model.
[0020] Figure 4 It is a driving gear and auxiliary gear structure schematic drawing of the utility model.
[0021] In the drawing: 1, desk body; 2, table leg; 3, fixed frame; 4, connecting plate; 5, gear cavity; 6, driving gear; 7, auxiliary gear; 8, toothed plate; 9, first clamping disc; 10, first clamping hole; 11, second clamping disc; 12, second clamping hole; 13, connecting rod; 14, triangular plate; 15, groove; 16, pedal. CONCRETE IMPLEMENTATION
[0022] The utility model provides a height-adjustable desk, which comprises a desk body, a table leg, a fixed frame, a connecting plate, a gear cavity, a driving gear, an auxiliary gear, a toothed plate, a first clamping disc, a first clamping hole, a second clamping disc, a second clamping hole, a connecting rod and a triangular plate. Figure 1 - Figure 4The height-adjustable desk shown includes a desk body 1 and two table legs 2 for supporting the desk body 1, the desk body 1 is a commonly used student desk, the desk body 1 has a desk hole, as shown Figure 1 The desk hole is mainly used for storing textbooks, the desk body 1 is prior art and will not be described in detail here, the table legs 2 are mainly used for supporting the desk body 1 and are prior art and will not be described in detail here, a gear cavity 5 is formed in the upper end of the table leg 2, a connecting plate 4 is movably arranged inside the gear cavity 5, two fixed frames 3 are fixedly arranged at the lower end of the desk body 1, the connecting plate 4 is fixedly connected to the inner wall of the fixed frame 3, the connecting plate 4 rises or falls, the connecting plate 4 drives the fixed frame 3 to rise or fall, and the fixed frame 3 drives the desk body 1 to rise or fall.
[0023] A driving gear 6 is rotatably arranged inside the gear cavity 5, a toothed plate 8 is fixedly arranged at one end of the connecting plate 4, the driving gear 6 and the toothed plate 8 are meshed with each other, a connecting rod 13 is movably arranged between the two table legs 2, the connecting rod 13 is fixedly connected to the corresponding driving gear 6 at the end, the connecting rod 13 is rotated to simultaneously drive the two driving gears 6 to move, the two driving gears 6 drive the corresponding toothed plates 8 to rotate, the toothed plates 8 drive the connecting plate 4 to move, the connecting plate 4 drives the fixed frame 3 to move, and the fixed frame 3 drives the desk body 1 to move, so as to adjust the height of the desk body 1, two triangular plates 14 are fixedly arranged outside the connecting rod 13, and the user adjusts by stepping, so that the triangular plate 14 is driven to rotate by stepping the triangular plate 14.
[0024] An auxiliary gear 7 is rotatably arranged inside the gear cavity 5, the auxiliary gear 7 and the toothed plate 8 are meshed with each other, and the movement direction of the connecting plate 4 is limited by the arrangement of the driving gear 6 and the auxiliary gear 7, so as to ensure that the connecting plate 4 can only move up and down.
[0025] One end of one of the driving gears 6 is fixedly provided with a first clamping disc 9, a first clamping hole 10 is formed in the inner wall of the gear cavity 5 corresponding to the first clamping disc 9, the first clamping disc 9 is clamped in the inner side of the first clamping hole 10, one end of the other driving gear 6 is fixedly provided with a second clamping disc 11, a second clamping hole 12 is formed in the inner wall of the gear cavity 5 corresponding to the second clamping disc 11, the second clamping disc 11 is clamped in the inner side of the second clamping hole 12, the first clamping disc 9 and the second clamping disc 11 are both provided in the shape of a gear, at the same time, in order to be able to clamp the first clamping disc 9 and the second clamping disc 11, the first clamping hole 10 and the second clamping hole 12 are also provided in the shape of a gear, as shown Figure 4 .
[0026] The user steps on the triangle plate 14 with the foot, so that the triangle plate 14 drives the connecting rod 13 to rotate. Before stepping on the triangle plate 14, the foot pushes the triangle plate 14, so that the first clamping disc 9 and the second clamping disc 11 are separated from the first clamping hole 10 and the second clamping hole 12, and the connecting rod 13 can be actively connected. After adjusting the desk body 1 to the appropriate height, the first clamping disc 9 and the second clamping disc 11 are inserted into the first clamping hole 10 and the second clamping hole 12, so as to fix the connecting rod 13, thereby fixing the height of the desk body 1.
[0027] By arranging the driving gear 6 and the connecting plate 4, when the user needs to lift the desk body 1, the user can lift the desk body 1 by stepping, instead of servo driving lifting, which has low production cost and simple adjustment mode, and is suitable for large-scale promotion and is suitable for schools.
[0028] A plurality of grooves 15 are arranged on the outer side of the triangle plate 14, and a pedal 16 is fixedly arranged in the groove 15. The pedal 16 is arranged in an inclined manner. When the operator steps on the triangle plate 14, the foot can be placed in the groove 15 and stepped on the pedal 16, so as to control the triangle plate 14. By arranging the triangle plate 14, the user can not only adjust the height of the desk body 1, but also can put the foot on the triangle plate 14 or the connecting rod 13, so as to provide a comfortable sitting posture for the user when using the desk, and improve the comfort of long-time sitting in front of the desk.
Claims
1. A height-adjustable desk comprising a desk body (1) and two desk legs (2) for supporting the desk body (1), characterized in that: The upper end of the table leg (2) is provided with a gear cavity (5), the inner side of the gear cavity (5) is movably provided with a connecting plate (4), the lower end of the desk body (1) is fixedly provided with two fixed frames (3), and the connecting plate (4) is fixedly connected to the inner wall of the fixed frame (3). The inner side of the gear cavity (5) is rotatably provided with a driving gear (6), one end of the connecting plate (4) is fixedly provided with a toothed plate (8), and the driving gear (6) and the toothed plate (8) are meshed with each other. The connecting rod (13) is movably arranged between the two table legs (2), and the end of the connecting rod (13) is fixedly connected with the corresponding driving gear (6).
2. A height adjustable desk as claimed in claim 1, wherein: The inner side of the gear cavity (5) is rotatably provided with an auxiliary gear (7), and the auxiliary gear (7) and the toothed plate (8) are meshed with each other.
3. The height adjustable desk of claim 1, wherein: One end of one of the driving gears (6) is fixedly provided with a first clamping disc (9), and the inner wall of the gear cavity (5) corresponding to the first clamping disc (9) is provided with a first clamping hole (10), and the first clamping disc (9) is clamped in the inner side of the first clamping hole (10).
4. A height adjustable desk as claimed in claim 3, wherein: The other end of the other driving gear (6) is fixedly provided with a second clamping disc (11), and the inner wall of the gear cavity (5) corresponding to the second clamping disc (11) is provided with a second clamping hole (12), and the second clamping disc (11) is clamped in the inner side of the second clamping hole (12).
5. A height adjustable desk as claimed in claim 4, wherein: The first clamping disc (9) and the second clamping disc (11) are both provided in the shape of a gear.
6. The height adjustable desk of claim 1, wherein: The outer side of the triangular plate (14) is provided with a plurality of grooves (15), the inner side of the groove (15) is fixedly provided with a pedal (16), and the pedal (16) is inclinedly arranged.