Support lifting equipment
By designing the adjustment components and limiting components of the bracket lifting equipment, and using the drive components and cams to achieve the tilt adjustment of the table, the problem that the bracket cannot adjust the tilt angle in the prior art is solved, and the adjustment and fixing effect of the bracket are improved.
Patent Information
- Application Number
- CN202420472814.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing brackets can only adjust the height vertically when lifting and lowering, and cannot adjust the inclination angle as needed, resulting in unsatisfactory adjustment.
A bracket lifting device is designed, including a tabletop, support assembly, adjustment assembly and limit assembly. The tabletop tilt adjustment is achieved through the drive assembly driving shaft and cam. The lever principle and auxiliary support of threaded rods are used to achieve the height of both sides of the tabletop. and angle adjustment.
It realizes flexible adjustment of the inclination angle of the bracket table, improves the overall adjustment and fixing effect, and facilitates the adjustment of the table height and angle as needed.
Smart Images
Figure CN222138587U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of support lifting, in particular to a support lifting device. Background Art
[0002] Most of the existing fixed brackets are composed of legs and a fixed table. The legs are divided into four-legged legs and tripod-type legs, and the fixed table is fixed above the legs. When needed, the equipment can be fixed on the work surface, and the work surface is supported on the ground by the legs.
[0003] When the existing bracket is lifted or lowered, it is mostly adjusted by means of cylinders, screw rods, etc., so that the bracket can be raised to a height as needed. However, the above method can only lift the height vertically. If it is necessary to adjust the tilt angle to one side higher than the other side, it cannot be adjusted as needed, making the adjustability of the bracket less than ideal.
[0004] Therefore, it is necessary to invent a support lifting device. Utility Model Content
[0005] The purpose of the utility model is to solve the problems raised in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support lifting device, comprising a table and a support assembly, wherein the support assembly is installed at the lower ends of the four corners of the table, a fixing plate is symmetrically installed in the middle of the two sides of the table, an adjustment assembly is symmetrically arranged on both sides of the lower end of the table, a limit assembly is symmetrically installed on both sides of the table, and a driving assembly is installed at the lower end of one side of the adjustment assembly;
[0007] The adjustment assembly includes a first rotating shaft and a second rotating shaft, the first rotating shaft is provided with a first cam, and the second rotating shaft is provided with a second cam.
[0008] Based on the above features: when it is necessary to lift one end of the table top to make it tilted, the driving assembly can drive the first rotating shaft and the second rotating shaft to rotate in the same direction, and the first cam and the second cam on the first rotating shaft and the second rotating shaft are installed in opposite directions. When the protruding end of the first cam rotates upward, the protruding end of the second cam will rotate downward. At this time, the first cam can lift one side of the table top upward, and the side of the table top close to the second cam will fall downward. Similarly, when the protruding end of the second cam rotates upward, the protruding end of the first cam will rotate downward, causing the table top to tilt to the other side, thereby the inclination angle of the table top can be lifted and adjusted.
[0009] Preferably, connecting plates are fixedly installed at the four corners of the lower end of the table top, and lugs are symmetrically installed on both sides of the table top.
[0010] Based on the above features: the support component is movably connected to the connecting plates at the four corners of the lower end of the table top, and the limit component is movably hinged in the middle of the lug, so that the limit component can adjust the tilt angle according to the height of the table top.
[0011] Preferably, the support assembly includes a supporting leg and an anti-slip groove provided in the middle of the supporting leg, an anti-slip slider is slidably connected inside the anti-slip groove, and one end of the anti-slip slider is movably connected to a movable plate.
[0012] Based on the above features: the upper end of the movable plate is movably hinged to the connecting plate, the lower end of the movable plate is movably hinged to the anti-slip slider, and the anti-slip slider is slidably connected in the anti-slip groove in the middle of the leg. When one side of the table top is lifted upward and the other side is lowered downward, the movable plate can use the anti-slip slider to assist in lifting and lowering in the anti-slip groove, thereby improving the overall adjustability.
[0013] Preferably, a connecting shaft is installed in the middle of the upper end of the fixing plate, positioning plates are symmetrically installed on both sides of the fixing plate, a support plate and a bearing are installed on the side of the positioning plate away from the fixing plate, and the support plate is located at the lower end of the positioning plate.
[0014] Based on the above features: the fixed plate utilizes the middle movable hinge of the connecting shaft and the table top, and at the same time the fixed plate can limit and fix the two sides of the table top, and the two ends of the first rotating shaft and the second rotating shaft are rotatably connected to the bearings at one end of the positioning plate, which is convenient for the positioning plate to limit and support the first rotating shaft and the second rotating shaft, and the support plate can support and fix the side of the positioning plate away from the fixed plate, so that the fixing effect of the table top and the adjustment component is improved.
[0015] Preferably, rotating gears are installed at both ends of the first rotating shaft and the second rotating shaft, pulleys are arranged at one end of the first rotating shaft and the second rotating shaft close to the rotating gears, and a connecting belt is arranged between adjacent pulleys.
[0016] Based on the above characteristics: when the driving component drives the rotating gear to rotate, the rotating gear will first drive the second rotating shaft to rotate, and the second rotating shaft will use the pulley at one end and the connecting belt to drive the pulley on the first rotating shaft to rotate. At this time, the first rotating shaft will also rotate in the same direction as the second rotating shaft.
[0017] Preferably, the limiting assembly includes an articulated seat and a fixed sleeve rod installed at one end of the articulated seat, the end of the fixed sleeve rod away from the articulated seat is threadedly connected to a threaded rod, and a ground cone is installed at one end of the threaded rod.
[0018] Based on the above features: when one side of the table top is lifted upward, the fixed sleeve rod and the threaded rod will gradually tilt in a vertical state, and when one side of the table top is lowered, the fixed sleeve rod and the threaded rod will gradually open and tilt in a horizontal state, and the threaded rod is driven into the ground using a ground cone, so that the threaded rod and the fixed sleeve rod can provide auxiliary support at both ends of the table top.
[0019] Preferably, the driving assembly includes a motor and a rotating shaft mounted on the output end of the motor, and a driving gear is mounted on one end of the rotating shaft.
[0020] Based on the above features: the motor can drive the driving gear to rotate by rotating, and the driving gear can mesh with the rotating gear to drive the second rotating shaft to rotate.
[0021] The beneficial effects of the utility model are:
[0022] 1. To facilitate the inclination angle of the table top above the lifting bracket, the driving gear can mesh with the rotating gear to drive the second rotating shaft to rotate, and the second rotating shaft will use the pulley on one end and the connecting belt to drive the pulley on the first rotating shaft to rotate. At this time, the first rotating shaft will rotate in the same direction as the second rotating shaft. The first cam and the second cam on the first rotating shaft and the second rotating shaft are installed in opposite directions, and the fixed plate uses the middle movable hinge of the connecting shaft and the table top to form a lever structure between the fixed plate and the table top. According to the lever principle, when the protruding end of the first cam rotates to the top, the protruding end of the second cam will rotate to the bottom. At this time, the first cam can lift one side of the table top upward, and the side of the table top close to the second cam will fall downward, so that the inclination angle of the table top can be lifted and adjusted.
[0023] 2. The fixed plate can limit and fix the two sides of the table top, and the two ends of the first rotating shaft and the second rotating shaft are rotatably connected to the bearings at one end of the positioning plate, which is convenient for the positioning plate to limit and support the first rotating shaft and the second rotating shaft. The support plate can support and fix the side of the positioning plate away from the fixed plate, thereby improving the fixing effect of the table top and the adjustment component.
[0024] 3. The threaded connection between the threaded rod and the fixed sleeve rod can extend or shorten the length of the threaded rod. When one side of the table top is lifted upward, the fixed sleeve rod and the threaded rod will gradually tilt vertically, and when one side of the table top is lowered, the fixed sleeve rod and the threaded rod will gradually open and tilt horizontally. The threaded rod is driven into the ground with a ground cone, so that the threaded rod and the fixed sleeve rod can provide auxiliary support at both ends of the table top. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A schematic diagram of the overall structure of a support lifting device provided by the utility model;
[0026] Figure 2 A schematic diagram of the structure of a fixing plate of a bracket lifting device provided by the utility model;
[0027] Figure 3 A schematic diagram of the structure of an adjustment component of a support lifting device provided by the utility model;
[0028] Figure 4A schematic diagram of the structure of a bracket lifting device table and a supporting assembly provided by the utility model.
[0029] In the figure: 1. table; 11. connecting plate; 12. lug; 2. supporting assembly; 21. supporting leg; 22. anti-slip groove; 23. anti-slip slider; 24. movable plate; 3. fixing plate; 31. connecting shaft; 32. positioning plate; 33. supporting plate; 34. bearing; 4. adjusting assembly; 41. first rotating shaft; 411. rotating gear; 412. pulley; 413. connecting belt; 42. second rotating shaft; 43. first cam; 44. second cam; 5. limiting assembly; 51. articulated seat; 52. fixing sleeve rod; 53. threaded rod; 54. ground cone; 6. driving assembly; 61. motor; 62. rotating shaft; 63. driving gear. DETAILED DESCRIPTION
[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0031] See attached Figure 1-4 The utility model provides a support lifting device, including a table 1 and a support assembly 2, the support assembly 2 is installed at the lower end of the four corners of the table 1, a fixing plate 3 is symmetrically installed in the middle of both sides of the table 1, and an adjustment assembly 4 is symmetrically arranged on both sides of the lower end of the table 1. A limit assembly 5 is symmetrically installed on both sides of the table 1, and a driving assembly 6 is installed at the lower end of one side of the adjustment assembly 4;
[0032] The adjustment assembly 4 includes a first rotating shaft 41 and a second rotating shaft 42 . A first cam 43 is mounted on the first rotating shaft 41 , and a second cam 44 is mounted on the second rotating shaft 42 .
[0033] The table top 1, the supporting assembly 2 and the fixing plate 3 form a bracket. When it is necessary to lift one end of the table top 1 to make it tilted, the driving assembly 6 can drive the first rotating shaft 41 and the second rotating shaft 42 to rotate in the same direction, while the first cam 43 and the second cam 44 on the first rotating shaft 41 and the second rotating shaft 42 are installed in opposite directions. When the protruding end of the first cam 43 rotates upward, the protruding end of the second cam 44 will rotate downward. At this time, the first cam 43 can lift one side of the table top 1 upward, and the side of the table top 1 close to the second cam 44 will drop downward. Similarly, when the protruding end of the second cam 44 rotates upward, the protruding end of the first cam 43 will rotate downward, so that the table top 1 is tilted to the other side, so that the tilt angle of the table top 1 can be lifted and adjusted. When the table top 1 is in a parallel state or a tilted state, the supporting assembly 2 and the fixing plate 3 will support the table top 1, and the limiting assembly 5 can provide auxiliary support to both sides of the table top 1 to improve the overall fixing effect.
[0034] Preferably, connecting plates 11 are fixedly installed at the four corners of the lower end of the table top 1, and lugs 12 are symmetrically installed on both sides of the table top 1.
[0035] The support assembly 2 is movably connected to the connecting plates 11 at the four corners of the lower end of the table top 1, and the limiting assembly 5 is movably hinged in the middle of the lug 12, so that the limiting assembly 5 can adjust the tilt angle according to the height of the table top 1.
[0036] Preferably, the support assembly 2 includes a support leg 21 and an anti-slip groove 22 provided in the middle of the support leg 21 , an anti-slip slider 23 is slidably connected inside the anti-slip groove 22 , and one end of the anti-slip slider 23 is movably connected to a movable plate 24 .
[0037] The upper end of the movable plate 24 is movably hinged to the connecting plate 11, and the lower end of the movable plate 24 is movably hinged to the anti-slip slider 23, and the anti-slip slider 23 is slidably connected in the anti-slip groove 22 in the middle of the support leg 21. When one side of the table top 1 is lifted upward and the other side is lowered downward, the movable plate 24 can use the anti-slip slider 23 to assist in lifting and lowering in the anti-slip groove 22, thereby improving the overall adjustability.
[0038] Preferably, a connecting shaft 31 is installed in the middle of the upper end of the fixing plate 3, and positioning plates 32 are symmetrically installed on both sides of the fixing plate 3. A support plate 33 and a bearing 34 are installed on the side of the positioning plate 32 away from the fixing plate 3, and the support plate 33 is located at the lower end of the positioning plate 32.
[0039] The fixing plate 3 utilizes the middle movable hinge of the connecting shaft 31 and the table top 1 to facilitate the formation of a lever structure between the fixing plate 3 and the table top 1. According to the lever principle, when one end is lifted upward, the other side will drop, so that the table top 1 can become inclined. At the same time, the fixing plate 3 can limit and fix the two sides of the table top 1, and the two ends of the first rotating shaft 41 and the second rotating shaft 42 are rotatably connected to the bearing 34 at one end of the positioning plate 32, which facilitates the positioning plate 32 to limit and support the first rotating shaft 41 and the second rotating shaft 42. The support plate 33 can support and fix the side of the positioning plate 32 away from the fixing plate 3, so that the fixing effect of the table top 1 and the adjustment component 4 is improved.
[0040] Preferably, rotating gears 411 are installed at both ends of the first rotating shaft 41 and the second rotating shaft 42 , pulleys 412 are provided at one end of the first rotating shaft 41 and the second rotating shaft 42 close to the rotating gear 411 , and connecting belts 413 are provided between adjacent pulleys 412 .
[0041] One end of the first rotating shaft 41 and the second rotating shaft 42 are both provided with a pulley 412, and the two pulleys 412 are connected by a connecting belt 413. When the driving component 6 drives the rotating gear 411 to rotate, the rotating gear 411 will first drive the second rotating shaft 42 to rotate, and the second rotating shaft 42 will use the pulley 412 at one end and the connecting belt 413 to drive the pulley 412 on the first rotating shaft 41 to rotate. At this time, the first rotating shaft 41 will also rotate in the same direction as the second rotating shaft 42.
[0042] Preferably, the limiting assembly 5 includes an articulated seat 51 and a fixed sleeve rod 52 installed at one end of the articulated seat 51 , an end of the fixed sleeve rod 52 away from the articulated seat 51 is threadedly connected to a threaded rod 53 , and a ground cone 54 is installed at one end of the threaded rod 53 .
[0043] The threaded rod 53 and the fixed sleeve rod 52 are threadedly connected, and the length of the threaded rod 53 can be extended or shortened. The hinge seat 51 and the lug 12 are movable hinged. When one side of the table top 1 is lifted upward, the fixed sleeve rod 52 and the threaded rod 53 will gradually tilt in a vertical state, and when one side of the table top 1 is lowered, the fixed sleeve rod 52 and the threaded rod 53 will gradually open and tilt in a horizontal state. The threaded rod 53 is penetrated into the ground by the ground cone 54, so that the threaded rod 53 and the fixed sleeve rod 52 can provide auxiliary support at both ends of the table top 1.
[0044] Preferably, the driving assembly 6 includes a motor 61 and a rotating shaft 62 mounted on the output end of the motor 61 , and a driving gear 63 is mounted on one end of the rotating shaft 62 .
[0045] The motor 61 can drive the driving gear 63 to rotate by rotating, and the driving gear 63 can mesh with the rotating gear 411 to drive the second rotating shaft 42 to rotate.
[0046] The use process of the utility model is as follows: the motor 61 can drive the driving gear 63 to rotate by rotating, and the driving gear 63 can mesh with the rotating gear 411 to drive the second rotating shaft 42 to rotate, and the second rotating shaft 42 uses the pulley 412 at one end and the connecting belt 413 to drive the pulley 412 on the first rotating shaft 41 to rotate, and at this time, the first rotating shaft 41 will also rotate in the same direction as the second rotating shaft 42, and the first cam 43 and the second cam 44 on the first rotating shaft 41 and the second rotating shaft 42 are installed in opposite directions. When the protruding end of the first cam 43 rotates to the top, the protruding end of the second cam 44 will rotate to the bottom. At this time, the first cam 43 can lift one side of the table top 1 upward, and the side of the table top 1 close to the second cam 44 will fall downward. Similarly, when the protruding end of the second cam 44 rotates to the top, the protruding end of the first cam 43 will rotate to the bottom, causing the table top 1 to tilt to the other side.
[0047] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A support lifting device, comprising a table (1) and a support assembly (2), wherein the support assembly (2) is installed at the lower ends of the four corners of the table (1), characterized in that: A fixing plate (3) is symmetrically installed in the middle of both sides of the table top (1), an adjustment assembly (4) is symmetrically arranged on both sides of the lower end of the table top (1), a limit assembly (5) is symmetrically installed on both sides of the table top (1), and a driving assembly (6) is installed at the lower end of one side of the adjustment assembly (4); The adjustment assembly (4) comprises a first rotating shaft (41) and a second rotating shaft (42); a first cam (43) is mounted on the first rotating shaft (41) and a second cam (44) is mounted on the second rotating shaft (42).
2. A support lifting device according to claim 1, characterized in that: Connecting plates (11) are fixedly mounted at the four corners of the lower end of the table top (1), and lugs (12) are symmetrically mounted on both sides of the table top (1).
3. A support lifting device according to claim 2, characterized in that: The support assembly (2) comprises a support leg (21) and an anti-slip groove (22) provided in the middle of the support leg (21); an anti-slip slider (23) is slidably connected inside the anti-slip groove (22); and a movable plate (24) is movably connected to one end of the anti-slip slider (23).
4. A support lifting device according to claim 1, characterized in that: A connecting shaft (31) is installed in the middle of the upper end of the fixing plate (3), positioning plates (32) are symmetrically installed on both sides of the fixing plate (3), and a support plate (33) and a bearing (34) are installed on the side of the positioning plate (32) away from the fixing plate (3), and the support plate (33) is located at the lower end of the positioning plate (32).
5. A support lifting device according to claim 1, characterized in that: Rotating gears (411) are installed at both ends of the first rotating shaft (41) and the second rotating shaft (42); pulleys (412) are arranged at one end of the first rotating shaft (41) and the second rotating shaft (42) close to the rotating gears (411); and connecting belts (413) are arranged between adjacent pulleys (412).
6. A support lifting device according to claim 1, characterized in that: The limiting assembly (5) comprises an articulated seat (51) and a fixed sleeve rod (52) installed at one end of the articulated seat (51); one end of the fixed sleeve rod (52) away from the articulated seat (51) is threadedly connected to a threaded rod (53); and one end of the threaded rod (53) is installed with a ground cone (54).
7. A support lifting device according to claim 1, characterized in that: The driving assembly (6) comprises a motor (61) and a rotating shaft (62) mounted on the output end of the motor (61), and a driving gear (63) is mounted on one end of the rotating shaft (62).