Foldable electric lifting table

Abstract

The utility model relates to the technical field of foldable lifting tables, in particular to a foldable electric lifting table. Comprising a first table board and a second table board, the first table board is rotationally connected with the second table board, fixing grooves are formed in the two sides of the lower surface of the first table board and the two sides of the lower surface of the second table board, every two fixing grooves form a group, the same fixing pin is inserted into the inner wall of each group of fixing grooves, adjusting devices are arranged on the lower surfaces of the two ends of the second table board, and each adjusting device comprises a fixing frame; a rotating plate is rotationally connected to the inner wall of the fixing frame, the section of the rotating plate is L-shaped, a connecting groove is formed in the surface of the short arm end of the rotating plate, a positioning plate is fixedly connected to the position, corresponding to the rotating plate, of the lower surface of the first table plate, the surface of the positioning plate is connected with the connecting groove in an inserted mode, and an inserting hole is formed in the surface of the positioning plate. The foldable electric lifting table has the advantage that the table plate can be folded, limited and fixed conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of folding lifting tables, in particular to a foldable electric lifting table. Background Art

[0002] An electric lifting table is composed of a table board, cross beams, electric lifting columns, cross beams, etc., and is usually used for auxiliary operations during the production and processing of products, and is relatively common in daily life.

[0003] Existing technologies such as the utility model with the publication number CN210493106U disclose a folding electric lifting table. The patent includes a table frame. The table frame includes cross beams. Electric lifting columns are respectively installed at both ends of the cross beams. A positioning long groove is provided on the cross beams. The electric lifting columns include positioning shafts. The electric lifting columns make rotational and sliding movements in the positioning long grooves through the positioning shafts. In the first position, the positioning shafts are located at the inner ends of the positioning long grooves and keep an opening angle with the cross beams. In the second position, the positioning shafts slide to the outer ends of the positioning long grooves, and at the same time, the positioning shafts rotate towards the center direction of the cross beams in the positioning long grooves to achieve folding and storage.

[0004] When operating the electric lifting table, it is found that during the use of the lifting table, due to the relatively large volume of the general electric lifting table, it is easy to encounter the situation that the table board cannot be folded during the handling process, which further leads to the problem of inconvenient operation and use of the entire table body. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the defect that in the prior art, during the use of the lifting table, due to the relatively large volume of the general electric lifting table, it is easy to encounter the situation that the table board cannot be folded during the handling process, which further leads to the problem of inconvenient operation and use of the entire table body.

[0006] To solve the above technical problems, the present utility model provides a foldable electric lifting table, including: a first table board and a second table board, the first table board is rotatably connected to the second table board, fixing grooves are provided on both sides of the lower surfaces of the first table board and the second table board, every two of the four fixing grooves form a group, and the inner walls of each group of fixing grooves are inserted with the same fixing pin. Adjusting devices are provided on the lower surfaces of both ends of the first table board. The adjusting device includes a fixing frame, a rotating plate is rotatably connected to the inner wall of the fixing frame, the cross section of the rotating plate is in an "L" shape, a connecting groove is provided on the surface of the short arm end of the rotating plate, a positioning plate is fixedly connected to the position of the first table board corresponding to the rotating plate on the lower surface, the surface of the positioning plate is inserted into the connecting groove, a jack is provided on the surface of the positioning plate, a moving rod is slidably connected to the position corresponding to the jack on the surface of the rotating plate, a spring is sleeved on the arc surface of the moving rod, both ends of the spring are fixedly connected to the moving rod and the rotating plate respectively, and one end of the moving rod is slidably inserted into the inner wall of the jack.

[0007] The effects achieved by the above components are as follows: During the operation and use of the entire table, in order to facilitate the folding and limiting of the table board, first, the first table board and the second table board are flipped and folded. At this time, the rotating plate deflected by the fixing frame on the lower surface of the second table board is inserted into the positioning plate on the lower surface of the first table board. Then, the moving rod sliding on the short arm end of the rotating plate is inserted and fixed into the jack provided on the surface of the positioning plate. At the same time, the stretching force generated by the spring on the surface of the moving rod is used to limit the moving rod to prevent it from falling off. At this time, the entire first table board and the second table board can be folded and fixed conveniently and effectively.

[0008] Preferably, torsion springs are sleeved on both ends of the inner wall of the fixing frame, and both ends of the torsion springs are fixedly connected to the rotating plate and the fixing frame respectively.

[0009] The effects achieved by the above components are as follows: The position of the rotating plate can be assisted and limited by the torsional force generated by the torsion spring.

[0010] Preferably, a limiting frame is fixedly connected to the position of the first table board corresponding to the rotating plate on the lower surface. The cross section of the limiting frame is in a "U" shape, and the limiting frame is an elastic frame.

[0011] The effects achieved by the above components are as follows: When the rotating plate is recycled and fixed, the elastic limiting frame can be used for clamping and limiting.

[0012] Preferably, the rotating plate is a cemented carbide plate for improving the service strength.

[0013] The effects achieved by the above components are as follows: With the rotating plate made of cemented carbide material, it can be used for a long time and avoid deformation.

[0014] Preferably, auxiliary devices are provided on the sides of the first tabletop and the second tabletop that are away from each other. The auxiliary device includes four connecting frames. Every two of the four connecting frames form a group. Each group of connecting frames is fixedly connected to the lower surfaces of the first tabletop and the second tabletop respectively. A support rod is rotatably connected to the inner wall of the connecting frame. A support frame is slidably connected to the surface of the support rod. A servo motor is fixedly connected to the bottom end of the inner wall of the support frame. The output end of the servo motor is fixedly connected to a driving rod. A sleeve is fixedly connected to the inner wall of the support rod. The arc surface of the driving rod is threadedly connected to the inner wall of the sleeve. Positioning holes are formed on both side surfaces of the connecting frame. The cross-section of the positioning hole is a quarter-circular hole. Positioning rods are fixedly connected to the positions of the two sides of the support rod corresponding to the positioning holes. The arc surface of the positioning rod slidably penetrates through the inner wall of the positioning hole. An extrusion shaft is threadedly connected to the arc surface of the positioning rod.

[0015] The effects achieved by the above components are as follows: During the process of supporting and using the entire tabletop, in order to facilitate the lifting and adjustment limit of the first tabletop and the second tabletop, at this time, the connecting frame and the support rod are deflected and folded, and then the rotation limit is carried out by means of the positioning rod and the positioning hole formed on the surface of the connecting frame. Then, with the servo motor in the support frame driving the driving rod to be threadedly connected with the sleeve in the support rod, the lifting and control of the entire support rod and the support frame are effectively carried out, which is convenient for the lifting and fixing limit of the positions of the first tabletop and the second tabletop.

[0016] Preferably, a support pad is fixedly connected to the bottom surface of the support frame. The support pad is a rubber pad.

[0017] The effects achieved by the above components are as follows: The support frame can be effectively supported and limited by the rubber support pad to avoid sliding and offset.

[0018] Preferably, a protective ring is sleeved on the arc surface of the positioning rod. The surface of the protective ring abuts against one side of the extrusion shaft.

[0019] The effects achieved by the above components are as follows: The extrusion shaft can be protected by means of the protective ring to avoid loosening and falling off of the extrusion shaft.

[0020] Compared with the related art, a foldable electric lifting table provided by the present invention has the following

[0021] Beneficial effects:

[0022] The present utility model provides a foldable electric lifting table. During the operation and use of the entire table, in order to facilitate the folding and limiting of the tabletop, the first tabletop and the second tabletop are first flipped and folded. At this time, the rotating plate that deflects with the aid of the fixed frame on the lower surface of the second tabletop is inserted into the positioning plate on the lower surface of the first tabletop. Then, the moving rod that slides at the short arm end of the rotating plate is inserted and fixed into the insertion hole opened on the surface of the positioning plate. At the same time, the moving rod is limited by the tensile force generated by the spring on the surface of the moving rod to prevent the moving rod from falling off. At this time, the entire first tabletop and the second tabletop can be folded and fixed conveniently and effectively. When the rotating plate is retracted and fixed, the elastic material limiting frame can be used for clamping and limiting. Through the operation of the adjusting device, the folding and limiting after the flipping of the entire tabletop are achieved, which is convenient for better fixing and limiting the first tabletop and the second tabletop.

[0023] During the process of supporting and using the entire tabletop, in order to facilitate the lifting and adjusting and limiting of the first tabletop and the second tabletop, at this time, the connecting frame and the support rod are deflected and folded, and then the positioning rod is rotationally limited with the positioning hole opened on the surface of the connecting frame. Then, the driving rod driven by the servo motor in the support frame is threadedly docked with the sleeve in the support rod, so as to effectively control the lifting of the entire support rod and the support frame. The protective ring can protect the extrusion shaft to prevent the extrusion shaft from loosening and falling off. Through the operation of the auxiliary device, the lifting and fixing and limiting of the positions of the first tabletop and the second tabletop are achieved. Brief Description of the Drawings

[0024] Figure 1 is a schematic structural diagram of a foldable electric lifting table provided by the present utility model;

[0025] Figure 2 is Figure 1 a partial structural schematic diagram of the three-dimensional structure shown;

[0026] Figure 3 is Figure 1 a schematic structural diagram of the adjusting device shown;

[0027] Figure 4 is Figure 3 an enlarged structural schematic diagram of part A shown;

[0028] Figure 5 is Figure 2 a partial structural schematic diagram of the adjusting device shown

[0029] Figure 6 is Figure 1 a split structural schematic diagram of the auxiliary device shown

[0030] Figure 7 is Figure 6Partial structural schematic diagram of the auxiliary device shown.

[0031] Reference numerals in the figure: 1, first table board; 2, second table board; 3, fixing pin; 4, adjusting device; 41, fixing frame; 42, coil spring; 43, rotating plate; 44, limiting frame; 45, moving rod; 46, spring; 47, connecting groove; 48, positioning plate; 49, jack; 5, auxiliary device; 501, connecting frame; 502, support rod; 503, sleeve; 504, driving rod; 505, servo motor; 506, support pad; 507, positioning hole; 508, positioning rod; 509, extrusion shaft; 510, protective ring; 511, support frame; 6, fixing groove. Detailed implementation manners

[0032] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0033] The following describes the specific implementation of the present utility model in detail with reference to specific embodiments.

[0034] Please refer to Figures 1 to 7 , a foldable electric lifting table provided by an embodiment of the present utility model includes: a first table board 1 and a second table board 2. The first table board 1 is rotatably connected to the second table board 2. Fixing grooves 6 are provided on both sides of the lower surfaces of the first table board 1 and the second table board 2. Every two of the four fixing grooves 6 form a group, and the inner walls of each group of fixing grooves 6 are inserted with the same fixing pin 3. Adjusting devices 4 are provided on the lower surfaces of both ends of the first table board 1. Auxiliary devices 5 are provided on the sides of the first table board 1 and the second table board 2 away from each other.

[0035] In an embodiment of the present utility model, please refer to Figure 2 , Figure 3 , Figure 4 and Figure 5, the adjusting device 4 includes a fixing frame 41. The inner wall of the fixing frame 41 is rotatably connected with a rotating plate 43. The cross-section of the rotating plate 43 is in an "L" shape. A connecting groove 47 is formed on the surface of the short arm end of the rotating plate 43. A positioning plate 48 is fixedly connected to the lower surface of the first table board 1 corresponding to the position of the rotating plate 43. The surface of the positioning plate 48 is inserted into the connecting groove 47. A jack 49 is formed on the surface of the positioning plate 48. A moving rod 45 is slidably connected to the surface of the rotating plate 43 corresponding to the jack 49. A spring 46 is sleeved on the arc surface of the moving rod 45. The two ends of the spring 46 are respectively fixedly connected to the moving rod 45 and the rotating plate 43. One end of the moving rod 45 is slidably inserted into the inner wall of the jack 49. Coil springs 42 are sleeved on both ends of the inner wall of the fixing frame 41. The two ends of the coil springs 42 are respectively fixedly connected to the rotating plate 43 and the fixing frame 41. A limiting frame 44 is fixedly connected to the lower surface of the first table board 1 corresponding to the position of the rotating plate 43. The cross-section of the limiting frame 44 is in a "U" shape. The limiting frame 44 is an elastic frame. The rotating plate 43 is a cemented carbide plate for improving the service strength.

[0036] In an embodiment of the present invention, please refer to Figure 6 and Figure 7 , the auxiliary device 5 includes four connecting frames 501. Every two of the four connecting frames 501 form a group. Each group of connecting frames 501 is respectively fixedly connected to the lower surfaces of the first table board 1 and the second table board 2. A support rod 502 is rotatably connected to the inner wall of the connecting frame 501. A support frame 511 is slidably connected to the surface of the support rod 502. A servo motor 505 is fixedly connected to the bottom end of the inner wall of the support frame 511. A driving rod 504 is fixedly connected to the output end of the servo motor 505. A sleeve 503 is fixedly connected to the inner wall of the support rod 502. The arc surface of the driving rod 504 is threadedly connected to the inner wall of the sleeve 503. Positioning holes 507 are formed on both side surfaces of the connecting frame 501. The cross-section of the positioning holes 507 is a quarter-circular hole. Positioning rods 508 are respectively fixedly connected to both sides of the support rod 502 corresponding to the positions of the positioning holes 507. The arc surface of the positioning rods 508 slidably penetrates through the inner walls of the positioning holes 507. An extrusion shaft 509 is threadedly connected to the arc surface of the positioning rods 508. A support pad 506 is fixedly connected to the bottom surface of the support frame 511. The support pad 506 is a rubber pad. A protective ring 510 is sleeved on the arc surface of the positioning rods 508. The surface of the protective ring 510 abuts against one side of the extrusion shaft 509.

[0037] The working principle of a foldable electric lifting table provided by the present utility model is as follows: During the operation and use of the entire table, in order to facilitate the folding and limiting of the tabletop, the first tabletop 1 and the second tabletop 2 are first flipped and folded. At this time, the rotating plate 43 on the lower surface of the second tabletop 2 that deflects with the help of the fixing frame 41 is inserted into the positioning plate 48 on the lower surface of the first tabletop 1. Then, the moving rod 45 that slides at the short arm end of the rotating plate 43 is inserted and fixed into the insertion hole 49 opened on the surface of the positioning plate 48. At the same time, the moving rod 45 is limited by the tensile force generated by the spring 46 on the surface of the moving rod 45 to prevent the moving rod 45 from falling off. At this time, the entire first tabletop 1 and the second tabletop 2 can be folded and fixed conveniently and effectively. When the rotating plate 43 is retracted and fixed, the elastic material limiting frame 44 can be used for clamping and limiting, so as to perform folding and limiting after the entire tabletop is flipped, which is convenient for better fixing and limiting the first tabletop 1 and the second tabletop 2.

[0038] During the process of supporting and using the entire tabletop, in order to facilitate the lifting and adjustment limiting of the first tabletop 1 and the second tabletop 2, at this time, the connecting frame 501 and the support rod 502 are deflected and folded, and then the positioning rod 508 is rotationally fixed with the positioning hole 507 opened on the surface of the connecting frame 501. Then, the driving rod 504 driven by the servo motor 505 in the support frame 511 is threadedly docked with the sleeve 503 in the support rod 502, so as to effectively control the lifting of the entire support rod 502 and the support frame 511. The protective ring 510 can protect the extrusion shaft 509 to prevent the extrusion shaft 509 from loosening and falling off, so as to facilitate the lifting and fixing of the positions of the first tabletop 1 and the second tabletop 2.

[0039] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated here.

[0040] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A foldable electric lifting table, characterized in that: include: A first table board (1) and a second table board (2), wherein the first table board (1) and the second table board (2) are rotatably connected, fixing grooves (6) are provided on both sides of the lower surfaces of the first table board (1) and the second table board (2), and four fixing grooves (6) are grouped in pairs, and the inner wall of each group of fixing grooves (6) is plugged with the same fixing pin (3), and the lower surfaces of both ends of the first table board (1) are provided with adjustment devices (4), and the adjustment devices (4) include a fixing frame (41), and the inner wall of the fixing frame (41) is rotatably connected with a rotating plate (43), and the cross section of the rotating plate (43) is "L"-shaped, and the short arm of the rotating plate (43) is A connecting groove (47) is provided on the end surface; a positioning plate (48) is fixedly connected to the lower surface of the first table top (1) at a position corresponding to the rotating plate (43); the surface of the positioning plate (48) is plugged into the connecting groove (47); a plug hole (49) is provided on the surface of the positioning plate (48); a moving rod (45) is slidably connected to the surface of the rotating plate (43) at a position corresponding to the plug hole (49); a spring (46) is sleeved on the circular arc surface of the moving rod (45); two ends of the spring (46) are fixedly connected to the moving rod (45) and the rotating plate (43) respectively; one end of the moving rod (45) is slidably plugged into the inner wall of the plug hole (49).

2. The foldable electric lifting table according to claim 1, characterized in that: Both ends of the inner wall of the fixing frame (41) are sleeved with coil springs (42), and both ends of the coil spring (42) are fixedly connected to the rotating plate (43) and the fixing frame (41) respectively.

3. The foldable electric lifting table according to claim 1, characterized in that: The lower surface of the first table top (1) is fixedly connected to a limiting frame (44) at a position corresponding to the rotating plate (43); the cross section of the limiting frame (44) is "U"-shaped; the limiting frame (44) is an elastic frame.

4. The foldable electric lifting table according to claim 1, characterized in that: The rotating plate (43) is a hard alloy plate for improving the use strength.

5. The foldable electric lifting table according to claim 1, characterized in that: An auxiliary device (5) is provided on the side of the first table top (1) and the second table top (2) that is away from each other, and the auxiliary device (5) comprises four connecting frames (501), and the four connecting frames (501) are grouped in pairs, and each group of connecting frames (501) is fixedly connected to the lower surface of the first table top (1) and the second table top (2), respectively; the inner wall of the connecting frame (501) is rotatably connected to a support rod (502), and the surface of the support rod (502) is slidably connected to a support frame (511); the bottom end of the inner wall of the support frame (511) is fixedly connected to a servo motor (505), and the output end of the servo motor (505) is fixedly connected to the bottom end of the inner wall of the support frame (511). A driving rod (504) is connected, the inner wall of the support rod (502) is fixedly connected with a sleeve (503), the arc surface of the driving rod (504) is threadedly connected to the inner wall of the sleeve (503), and positioning holes (507) are opened on both side surfaces of the connecting frame (501), and the cross-section of the positioning hole (507) is a quarter-circular hole. Positions on both sides of the support rod (502) corresponding to the positioning holes (507) are fixedly connected with positioning rods (508), the arc surface of the positioning rod (508) slides through the inner wall of the positioning hole (507), and the arc surface of the positioning rod (508) is threadedly connected to an extrusion shaft (509).

6. The foldable electric lifting table according to claim 5, characterized in that: A support pad (506) is fixedly connected to the bottom surface of the support frame (511), and the support pad (506) is a rubber pad.

7. The foldable electric lift table according to claim 5, characterized in that: The arc surface of the positioning rod (508) is sleeved with a protective ring (510), and the surface of the protective ring (510) abuts against one side of the extrusion shaft (509).

Images