Worm and lifting table comprising same

Abstract

The utility model relates to the technical field of office supplies, in particular to a worm and a lifting table comprising the worm, the worm comprises two sets of box bodies, the two sets of box bodies are fixedly connected through a fixing plate, the surface of each box body is provided with a sliding groove, and the upper side of each box body is provided with a table body; an adjusting structure is installed on the inner side of the box body and comprises a threaded rod, the threaded rod is movably installed on the inner side of the box body through a bearing, a worm gear is welded to the bottom end of the threaded rod, a motor is installed on the inner side of the box body, and the output end of the motor is fixedly connected with a transmission worm. And a lifting rectangular screw sleeve is mounted on the inner side of the box body in a sliding manner. The adjusting structures are arranged on the two sides of the table body, the situation that legs of a user are scratched by using the adjusting structures can be avoided, the two sets of box bodies are arranged, the table body can be stably supported by matching the two sets of box bodies with the adjusting structures, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of office supplies, in particular to a worm and a lifting table comprising the worm. Background Art

[0002] Tables are common daily necessities in life, work and study. A general table is usually composed of a tabletop and table legs fixedly connected, and the length of the table legs is also fixed, so that the height of the entire tabletop is fixed and cannot be adjusted.

[0003] In this regard, China's patent application number: CN201921288102.2 discloses a lifting table based on worm gears, including a base, a lifting column and a table body, the table body is provided with a button and a power cord, the lifting column includes an outer tube and an inner tube, the inner tube is located inside the outer tube, the top of the inner tube is connected to the bottom of the table body, the inner wall of the inner tube is provided with a first bevel rack and a second bevel rack, the inner wall of the outer tube is provided with a motor, and the inner tube is provided with a transmission structure, the transmission structure includes a shaft, a first bevel gear, a second bevel gear, a worm wheel and a worm. The outer wall of the inner tube is provided with a plurality of sliders, and the inner wall of the outer tube is provided with a plurality of guide rails, and the sliders are slidably connected with the corresponding guide rails. The motor is powered on and rotated to drive the worm to rotate, and then drive the worm wheel to rotate. After the worm wheel rotates, it drives the shaft to rotate, and then drives the first bevel gear and the second bevel gear to rotate, and then drives the first bevel rack and the second bevel rack to rise or fall respectively, so that the inner tube rises or falls, and then the table body rises or falls, so that the height of the table body can be adjusted, which is convenient to use.

[0004] The lifting table is installed on lifting columns, and the height of the table can be adjusted. However, during use, the weight of items on the table is unevenly distributed. It is difficult to ensure the stability of the table by relying solely on a set of lifting columns and a base. In addition, the lifting columns are located near the user's legs, and safety cannot be guaranteed, which limits the use of the device.

[0005] Therefore, in order to solve the above problems, a worm gear and a lifting table including the worm gear are proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a worm gear and a lifting table including the worm gear, so as to solve the problem that the lifting table in the prior art mentioned in the above background technology is installed on a lifting column, and the height of the table body can be adjusted, but during use, the weight of the items on the table is unevenly distributed, and it is difficult to ensure the stability of the table body by relying solely on a set of lifting columns and a base. In addition, the lifting columns are located near the user's legs, and the safety cannot be guaranteed, which makes the use of the device limited.

[0007] To achieve the above object, the utility model provides the following technical solutions: a worm and a lifting table including the worm, comprising: a box body, the box body is provided with two groups, the two groups of the box bodies are fixedly connected by a fixing plate, a sliding groove is provided on the surface of the box body, and a table body is installed on the upper side of the box body;

[0008] An adjustment structure is installed on the inner side of the box body, and the adjustment structure includes a threaded rod, and the threaded rod is movably installed on the inner side of the box body through a bearing. A worm gear is welded to the bottom end of the threaded rod, and a motor is installed on the inner side of the box body. A transmission worm is fixedly connected to the output end of the motor. A lifting rectangular screw sleeve is slidably installed on the inner side of the box body, and a corrugated sleeve is provided on the outer side of the upper end of the lifting rectangular screw sleeve.

[0009] Preferably, a support structure is installed on the surface of the box body, and the support structure includes a movable plate, and the movable plate is movably installed on one side of the box body, and sliders are integrally formed on both sides of the movable plate, and a groove is opened on the surface of the movable plate.

[0010] Preferably, the two groups of boxes are respectively installed at two ends of the lower side of the table body.

[0011] Preferably, the transmission worm is meshed with the worm wheel, and the upper end of the threaded rod is connected to the inner thread of the bottom end of the lifting rectangular screw sleeve.

[0012] Preferably, the upper end of the lifting rectangular screw sleeve is exposed from the top surface of the box body, the top end of the lifting rectangular screw sleeve is fixedly connected to the bottom surface of the table body, and the upper and lower ends of the corrugated sleeve are fixedly connected to the box body and the table body respectively.

[0013] Preferably, the movable plate is located at the front side of the fixed plate, and the sliding block is slidably installed inside the sliding groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can avoid scratching the user's legs when using the adjustment structure by arranging the adjustment structure on both sides of the table body, and two groups of boxes are arranged, and the two groups of boxes cooperate with the adjustment structure to achieve stable support for the table body, thereby improving the practicality of the device.

[0015] 1. The utility model is provided with an adjustment structure, and the box body is provided with two groups. The two groups of box bodies cooperate with the adjustment structure, and can support the two sides of the table body on the bottom surface, thereby improving the use stability of the table body. When the motor is started, the transmission worm can be driven to rotate, and the transmission worm is meshed with the worm wheel. The rotation of the transmission worm drives the threaded rod to rotate through the worm wheel. The upper end of the threaded rod is threadedly connected with the lifting rectangular screw sleeve. The rotation of the threaded rod drives the lifting rectangular screw sleeve to move up and down on the top surface of the box body. The movement of the lifting rectangular screw sleeve can drive the lifting movement of the table body to achieve the adjustment of the height of the table body. When the height of the table body is adjusted, the corrugated sleeve is deformed accordingly, and can always cover the outer side of the lifting rectangular screw sleeve exposed on the top surface of the box body, so as to avoid the telescopic activity of the lifting rectangular screw sleeve on the box body causing harm to the user, thereby improving the safety of the device.

[0016] 2. The utility model is provided with a supporting structure. When the device is transported, the pull groove is pulled to drive the slider to slide inside the slide groove, so that the movable plate is away from the fixed plate. The fixed plate cooperates with the movable plate to limit the two groups of boxes on the front and rear sides, so as to avoid displacement of one group of boxes during transportation, which makes the connection of the fixed plate loose and affects subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is an exploded schematic diagram of the back view structure of the utility model;

[0019] Figure 3 It is a schematic side cross-sectional view of the structure of the table body of the utility model;

[0020] Figure 4 It is a schematic side cross-sectional view of the structure of the lifting rectangular screw sleeve of the utility model.

[0021] In the figure: 1. Box body; 11. Fixed plate; 12. Slide groove; 13. Table body; 2. Adjustment structure; 21. Threaded rod; 22. Worm gear; 23. Motor; 24. Transmission worm; 25. Lifting rectangular screw sleeve; 26. Corrugated sleeve; 3. Support structure; 31. Movable plate; 32. Sliding block; 33. Pull groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4, an embodiment provided by the utility model:

[0024] The box body 1, fixing plate 11, table body 13 and motor 23 used in the present application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described here in detail.

[0025] A worm and a lifting table including the worm, comprising: a box 1, wherein the box 1 is provided with two groups, the two groups of the box 1 are fixedly connected by a fixing plate 11, a sliding groove 12 is provided on the surface of the box 1, and a table 13 is installed on the upper side of the box 1;

[0026] An adjusting structure 2 is installed on the inner side of the box body 1, and the adjusting structure 2 includes a threaded rod 21, and the threaded rod 21 is movably installed on the inner side of the box body 1 through a bearing. A worm gear 22 is welded to the bottom end of the threaded rod 21, and a motor 23 is installed on the inner side of the box body 1. A transmission worm 24 is fixedly connected to the output end of the motor 23. A lifting rectangular screw sleeve 25 is slidably installed on the inner side of the box body 1, and a corrugated sleeve 26 is provided on the outer side of the upper end of the lifting rectangular screw sleeve 25. By arranging the adjusting structure 2 on both sides of the table body 13, scratching of the user's legs by the use of the adjusting structure 2 can be avoided, and the box body 1 is provided with two groups, and the two groups of box bodies 1 cooperate with the adjusting structure 2 to achieve stable support for the table body 13, thereby improving the practicality of the device.

[0027] Furthermore, a support structure 3 is installed on the surface of the box body 1, and the support structure 3 includes a movable plate 31, and the movable plate 31 is movably installed on one side of the box body 1. Slide blocks 32 are integrally formed on both sides of the movable plate 31, and a pull groove 33 is opened on the surface of the movable plate 31. When the device is transported, the pull groove 33 is pulled to drive the slide block 32 to slide inside the slide groove 12, so that the movable plate 31 is away from the fixed plate 11. The fixed plate 11 cooperates with the movable plate 31 to limit the two groups of box bodies 1 on the front and rear sides, so as to avoid displacement of one group of box bodies 1 during transportation, which makes the connection of the fixed plate 11 loose and affects subsequent use.

[0028] Furthermore, the two groups of boxes 1 are respectively installed at the two ends of the lower side of the table body 13, and two groups of boxes 1 are provided. The two groups of boxes 1 cooperate with the adjustment structure 2 to support the two sides of the table body 13 at the bottom, thereby improving the stability of the table body 13 during use.

[0029] Furthermore, the transmission worm 24 is meshed with the worm wheel 22, and the upper end of the threaded rod 21 is internally threadedly connected to the bottom end of the lifting rectangular screw sleeve 25. The rotation of the transmission worm 24 can drive the threaded rod 21 to rotate through the worm wheel 22, and the rotation of the threaded rod 21 can drive the lifting and lowering movement of the lifting rectangular screw sleeve 25.

[0030] Furthermore, the upper end of the lifting rectangular screw sleeve 25 is exposed from the top surface of the box body 1, the top end of the lifting rectangular screw sleeve 25 is fixedly connected to the bottom surface of the table body 13, and the upper and lower ends of the corrugated sleeve 26 are respectively fixedly connected to the box body 1 and the table body 13. The lifting rectangular screw sleeve 25 can drive the table body 13 to move. When the height of the table body 13 is adjusted, the corrugated sleeve 26 can always cover the outer side of the lifting rectangular screw sleeve 25 exposed from the top surface of the box body 1 to avoid the telescopic activity of the lifting rectangular screw sleeve 25 on the box body 1 to cause harm to the user, thereby improving the safety of the device.

[0031] Furthermore, the movable plate 31 is located in front of the fixed plate 11 , and the slider 32 is slidably installed inside the slide groove 12 . The movable plate 31 can move in front of the fixed plate 11 , and the slider 32 cooperates with the slide groove 12 to provide guide limit for the movement of the movable plate 31 .

[0032] Working principle: the box body 1 is provided with two groups, and the two groups of box bodies 1 cooperate with the adjustment structure 2 to support the two sides of the table body 13 on the bottom surface, thereby improving the stability of the table body 13 in use. The motor 23 is started to drive the transmission worm 24 to rotate, and the transmission worm 24 is meshed with the worm wheel 22. The rotation of the transmission worm 24 drives the threaded rod 21 to rotate through the worm wheel 22. The upper end of the threaded rod 21 is threadedly connected with the lifting rectangular screw sleeve 25. The rotation of the threaded rod 21 drives the lifting rectangular screw sleeve 25 to move up and down on the top surface of the box body 1. The movement of the lifting rectangular screw sleeve 25 can drive the lifting movement of the table body 13 to achieve the adjustment of the height of the table body 13. When the height of the table body 13 is adjusted, the corrugated sleeve 26 will be deformed accordingly, and can always cover the outer side of the lifting rectangular screw sleeve 25 exposed on the top surface of the box body 1, so as to avoid the telescopic movement of the lifting rectangular screw sleeve 25 on the box body 1, causing harm to the user, thereby improving the safety of the device;

[0033] When the device is needed to be transported, the pull groove 33 is pulled to drive the slider 32 to slide inside the slide groove 12, so that the movable plate 31 is away from the fixed plate 11. The fixed plate 11 cooperates with the movable plate 31 to limit the two groups of box bodies 1 on the front and rear sides to avoid displacement of one group of box bodies 1 during transportation, which makes the connection of the fixed plate 11 loose and affects subsequent use.

[0034] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A worm and a lifting table including the worm, comprising: A box body (1), wherein the box body (1) is provided with two groups, the two groups of the box bodies (1) are fixedly connected via a fixing plate (11), a sliding groove (12) is provided on the surface of the box body (1), and a table body (13) is installed on the upper side of the box body (1); Features: An adjusting structure (2) is installed on the inner side of the box body (1), and the adjusting structure (2) comprises a threaded rod (21), and the threaded rod (21) is movably installed on the inner side of the box body (1) through a bearing, and a worm gear (22) is welded to the bottom end of the threaded rod (21). A motor (23) is installed on the inner side of the box body (1), and a transmission worm (24) is fixedly connected to the output end of the motor (23). A lifting rectangular screw sleeve (25) is slidably installed on the inner side of the box body (1), and a corrugated sleeve (26) is arranged on the outer side of the upper end of the lifting rectangular screw sleeve (25).

2. A worm and a lifting table comprising the worm according to claim 1, characterized in that: A support structure (3) is installed on the surface of the box body (1), and the support structure (3) comprises a movable plate (31). The movable plate (31) is movably installed on one side of the box body (1), and sliders (32) are integrally formed on both sides of the movable plate (31). A groove (33) is provided on the surface of the movable plate (31).

3. The worm and the lifting table comprising the worm according to claim 1, characterized in that: The two groups of boxes (1) are respectively installed at the two ends of the lower side of the table body (13).

4. The worm and the lifting table comprising the worm according to claim 1, characterized in that: The transmission worm (24) is meshed with the worm wheel (22), and the upper end of the threaded rod (21) is internally threadedly connected to the bottom end of the lifting rectangular screw sleeve (25).

5. The worm and the lifting table comprising the worm according to claim 1, characterized in that: The upper end of the lifting rectangular screw sleeve (25) is exposed from the top surface of the box body (1), the top end of the lifting rectangular screw sleeve (25) is fixedly connected to the bottom surface of the table body (13), and the upper and lower ends of the corrugated sleeve (26) are respectively fixedly connected to the box body (1) and the table body (13).

6. The worm and the lifting table comprising the worm according to claim 2, characterized in that: The movable plate (31) is located at the front side of the fixed plate (11), and the sliding block (32) is slidably installed inside the sliding groove (12).

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