Combined support

Abstract

The utility model provides a combined support which comprises a bottom plate and a top plate and further comprises a lifting assembly, the bottom plate and the top plate are connected through the lifting assembly, the lifting assembly comprises a threaded rod, an inner cylinder, an outer cylinder, a hand wheel, a driving gear, a rotating rod and a driven gear, the outer cylinder is fixedly connected to the top end of the bottom plate, and the rotating rod is fixedly connected to the top end of the outer cylinder. An opening is formed in the top of the outer cylinder, the inner cylinder penetrates through the opening and is connected with one end of the threaded rod, the other end of the threaded rod is connected with the driven gear in a sleeved mode, the driven gear is further fixedly connected with the threaded rod, the driven gear is meshed with the driving gear, and the driving gear is meshed with the inner cylinder. The driving gear penetrates through the circumferential side wall of the outer cylinder through the rotating rod to be connected with the hand wheel, and the top of the inner cylinder is connected with the top plate. The defect that the height of a combined support cannot be adjusted in the prior art can be overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical safety, in particular to a combined bracket. Background Art

[0002] Electrical safety tools such as testers, insulating rods, and phase analyzers need to be regularly tested for insulation and withstand voltage. Due to the large number of these safety tools, only about ten safety tools can be tested for insulation and withstand voltage at a time, which leads to low test efficiency. Testers need to frequently connect and disconnect wires for tests, which is labor-intensive for testers. If they are negligent, personal injury accidents may occur.

[0003] CN212540463U provides a combination test stand for electric safety tools, which can realize high-efficiency experiments on safety tools of different voltage levels, so as to solve the problems of high labor intensity and high experimental risks existing in traditional test stands. To achieve the above-mentioned purpose, the solution of the utility model is to provide a combination test stand for electric safety tools, including: a guide rail, a base and a bracket; there are 2 guide rails, 2 bases and several brackets.

[0004] That is, the existing safety tool combination bracket cannot be adjusted in height, which limits the use conditions of the combination bracket. Utility Model Content

[0005] Therefore, the utility model provides a combined bracket, which can overcome the defect that the combined bracket in the prior art cannot be height-adjusted.

[0006] In order to solve the above problems, the utility model provides a combined bracket, comprising a bottom plate and a top plate, the combined bracket also includes a lifting assembly, the bottom plate and the top plate are connected through the lifting assembly, the lifting assembly includes a threaded rod, an inner cylinder, an outer cylinder, a hand wheel, a driving gear, a rotating rod and a driven gear, the top of the bottom plate is fixedly connected to the outer cylinder, the top of the outer cylinder has an opening, the inner cylinder is penetrated by the opening and connected to one end of the threaded rod, the other end of the threaded rod is sleeved with the driven gear, the driven gear is also fixedly connected to the threaded rod, the driven gear is meshed with the driving gear, the driving gear penetrates the circumferential side wall of the outer cylinder through the rotating rod and is connected to the hand wheel, and the top of the inner cylinder is connected to the top plate.

[0007] In some embodiments, the inner wall of the outer cylinder has limiting grooves on two opposite sides, the outer peripheral wall of the inner cylinder is connected to a limiting block, and the limiting block is adapted to the limiting groove so as to be able to slide along the limiting groove.

[0008] In some embodiments, the top plate includes two movable plates, a mounting plate, and a sliding assembly, and the sliding assembly can limit the relative position of the movable plate and the mounting plate to one of two preset positions.

[0009] In some embodiments, the sliding assembly includes a movable groove on the left and right sides of the mounting plate, a limit plate slidably arranged in the movable groove, and a movable rod connected to the limit plate, the limit plate can slide axially along the movable groove and will not separate from the movable groove, and the movable rod is also connected to the movable plate.

[0010] In some embodiments, side panels are fixedly installed on both the front and rear sides of the mounting plate, and the facing sides of the two side panels have sliding grooves, in which a slider is slidably connected, and one side of the slider is fixedly connected to the movable plate.

[0011] In some embodiments, the top plate also includes a limiting assembly, and the movable plate is a U-shaped plate, which includes a first plate and a second plate arranged in parallel, the second plate is located at the bottom of the first plate, and the limiting assembly is installed on the second plate, and the second plate has an installation cavity, and the installation cavity has a first opening and a second opening at opposite ends, and the limiting assembly includes a positioning rod, a reset spring and a pull plate, the positioning rod passes through the installation cavity, one end of which extends along the first opening and is movably connected to the positioning hole on the installation plate, and the other end of which extends along the second opening and is connected to the pull plate, the reset spring is located in the installation cavity and is mounted on the positioning rod, and the positioning rod is provided with a fixing plate protruding on the circumferential side wall near the first opening, one end of the reset spring is connected to the first plate, and the other end is connected to the fixing plate.

[0012] In some embodiments, a partition plate is provided at the top of the movable plate, and the top of the movable plate is divided into a plurality of first placement grooves by the partition plate.

[0013] In some embodiments, the surface of the mounting plate is provided with second placement grooves, and the number of the second placement grooves is four.

[0014] In some embodiments, support blocks are fixedly mounted at the four corners of the bottom end of the base plate, and the number of the support blocks is four.

[0015] The utility model provides a combined bracket, which is provided with a lifting component, and by rotating the hand wheel, the hand wheel drives the driving gear to rotate through the rotating rod. When the driving gear drives the driven gear to rotate, the threaded rod can drive the inner cylinder to move when it rotates, so as to facilitate the adjustment of the appropriate height for picking up the tool. By providing a limit component, the tool can be picked up through the first placement slot and the second placement slot, which is convenient for testing. The fixed plate can be pushed to move by the reset spring, and the positioning rod will move into the positioning hole at this time, which is convenient for locking the moving plate, and the moving plate can be conveniently positioned to avoid the sliding of the moving plate during moving and carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the combined bracket of an embodiment of the utility model;

[0017] Figure 2 It is an axial cross-sectional view of the combined bracket of the embodiment of the utility model;

[0018] Figure 3 A top view of a combined bracket according to an embodiment of the utility model;

[0019] Figure 4 The combined bracket of the embodiment of the utility model Figure 2 A local enlarged schematic diagram of point A.

[0020] The reference numerals are:

[0021] 1. Moving plate; 2. Limiting plate; 3. Mounting plate; 4. Movable rod; 5. Movable groove; 6. Limiting block; 7. Limiting groove; 8. Hand wheel; 9. Bottom plate; 10. Rotating rod; 11. Driving gear; 12. Driven gear; 13. Support block; 14. Outer cylinder; 15. Threaded rod; 16. Inner cylinder; 17. Mounting cavity; 18. Pull plate; 19. Pull ring; 20. Reset spring; 21. Fixed plate; 22. Positioning hole; 23. Positioning rod; 24. First placement groove; 25. Sliding block; 26. Side plate; 27. Sliding groove; 28. Second placement groove; 29. ​​Partition plate. DETAILED DESCRIPTION

[0022] See also Figures 1 to 4As shown, according to an embodiment of the utility model, a combined bracket is provided, comprising a bottom plate 9 and a top plate, the combined bracket also comprising a lifting assembly, the bottom plate 9 is connected to the top plate through the lifting assembly, the lifting assembly comprises a threaded rod 15, an inner cylinder 16, an outer cylinder 14, a hand wheel 8, a driving gear 11, a rotating rod 10 and a driven gear 12, the top of the bottom plate 9 is fixedly connected with the outer cylinder 14, the top of the outer cylinder 14 has an opening, the inner cylinder 16 penetrates the opening and is connected to one end of the threaded rod 15, the other end of the threaded rod 15 is sleeved with the driven gear 12, the driven gear 12 is also fixedly connected to the threaded rod 15, the driven gear 12 is meshed with the driving gear 11, the driving gear 11 penetrates the circumferential side wall of the outer cylinder 14 through the rotating rod 10 and is connected to the hand wheel 8, and the top of the inner cylinder 16 is connected to the top plate. By setting up a lifting assembly and rotating the hand wheel 8, the hand wheel 8 drives the driving gear 11 to rotate through the rotating rod 10. When the driving gear 11 rotates, it drives the driven gear 12 to rotate. At this time, the threaded rod 15 can drive the inner cylinder 16 to move when it rotates, so as to adjust the appropriate height for picking up the tool.

[0023] Specifically, the side wall of the outer cylinder 14 is rotatably connected to the rotating rod 10 via a bearing. The bearing connection enables the rotating rod 10 to rotate more smoothly.

[0024] In a specific embodiment, the inner wall of the outer cylinder 14 has limiting grooves 7 on opposite sides, and the outer peripheral wall of the inner cylinder 16 is connected to the limiting block 6, and the limiting block 6 is adapted to the limiting groove 7 so as to be able to slide along the limiting groove 7. Adding the limiting groove 7 can make the movement of the inner cylinder 16 more stable and avoid shaking during the movement of the inner cylinder.

[0025] In a specific embodiment, the top plate includes two movable plates 1, a mounting plate 3 and a sliding assembly, and the sliding assembly can limit the relative position of the movable plate 1 and the mounting plate 3 to one of two preset positions.

[0026] In a specific embodiment, the sliding assembly includes movable grooves 5 on the left and right sides of the mounting plate 3, a limit plate 2 slidably disposed in the movable groove 5, and a movable rod 4 connected to the limit plate 2, wherein the limit plate 2 can slide axially along the movable groove and will not be separated from the movable groove 5, and the movable rod 4 is also connected to the movable plate 1. The sliding assembly is used to realize two relative positions of the movable plate 1 relative to the mounting plate 3, that is, the mounting plate 3 and the two movable plates 1 can be stacked together to save space. When not in use, the movable plate 1 and the mounting plate 3 can be stacked together to save space. When in use, the movable plate can be pulled apart to meet the needs of more station settings.

[0027] In a specific embodiment, the mounting plate 3 is fixedly mounted with side plates 26 on both the front and rear sides, and the two side plates 26 have sliding grooves 27 on the facing sides, and a slider 25 is slidably connected in the sliding groove 27, and one side of the slider 25 is fixedly connected to the moving plate 1. The side plates 26 make the sliding of the moving plate 1 more stable.

[0028] In a specific embodiment, the top plate also includes a limiting assembly, the movable plate 1 is a U-shaped plate, which includes a first plate and a second plate arranged in parallel, the second plate is located at the bottom of the first plate, the limiting assembly is installed on the second plate, the second plate has an installation cavity 17, and the installation cavity 17 has a first opening and a second opening at opposite ends, the limiting assembly includes a positioning rod 23, a return spring 20 and a pull plate 18, the positioning rod 23 passes through the installation cavity 17, one end of which extends along the first opening and is movably plugged with the positioning hole 22 on the installation plate 3, and the other end of which extends along the second opening and is connected to the pull plate 18, the return spring 20 is located in the installation cavity 17, and is sleeved on the positioning rod 23, the positioning rod 23 is protrudingly provided with a fixing plate 21 on the circumferential side wall near the first opening, one end of the return spring 20 is connected to the first plate, and the other end is connected to the fixing plate 21. The setting of the limiting assembly can better fix the movable plate 1 and avoid the problem of sliding of the movable plate 1 during transportation.

[0029] Specifically, one end of the pull plate 18 is also connected to a pull ring 19. The pull ring 19 can be provided to pull the fixed plate 21 more conveniently and quickly.

[0030] Specifically, the installation cavity 17 may also be a separate housing structure, which is detachably connected to the second plate to facilitate replacement of the limiting assembly.

[0031] In a specific embodiment, a partition plate 29 is provided at the top of the movable plate 1 , and the top of the movable plate 1 is divided into a plurality of first placement grooves 24 by the partition plate 29 .

[0032] In a specific embodiment, the surface of the mounting plate 3 is provided with second placement grooves 28 , and the number of the second placement grooves 28 is four.

[0033] In a specific embodiment, support blocks 13 are fixedly mounted at the four corners of the bottom end of the bottom plate 9 , and the number of the support blocks 13 is four.

[0034] When the present application is in use, during the test work, after being carried to the designated position, the hand wheel 8 can be turned, and the hand wheel 8 drives the driving gear 11 to rotate through the rotating rod 10. When the driving gear 11 rotates, the driven gear 12 rotates. At this time, the threaded rod 15 can drive the inner cylinder 16 to move when it rotates, so as to adjust the appropriate height for the tool to be taken. Moreover, when lifting, the first limit groove 7 and the limit block 6 can play a stabilizing role. By pulling the pull ring 19, the pull ring 19 can drive the positioning rod 23 to move through the pull plate 18. When the positioning rod 23 moves out of the positioning The hole 22 can facilitate the movement of the movable plate 1. The sliding groove 27 and the slider 25 are provided to increase the movement stability of the movable plate 1. The movable rod 4 can play a supporting role. When conducting test work, tools can be taken through the first placement groove 24 and the second placement groove 28, which is convenient for testing. The reset spring 20 can push the fixed plate 21 to move. At this time, the positioning rod 23 will move into the positioning hole 22, which is convenient for locking the movable plate 1. The movable plate 1 can be conveniently positioned to avoid sliding of the movable plate 1 during movement and transportation.

[0035] The benefits of this application are:

[0036] 1. By setting a lifting assembly, by rotating the hand wheel 8, the hand wheel 8 drives the driving gear 11 to rotate through the rotating rod 10. When the driving gear 11 rotates, the driven gear 12 is driven to rotate. At this time, the threaded rod 15 can drive the inner cylinder 16 to move when it rotates, so as to adjust the appropriate height for picking up the tool.

[0037] 2. By setting a limit assembly, tools can be taken through the first placement slot 24 and the second placement slot 28 to facilitate testing; the fixed plate 21 can be pushed to move by the reset spring 20, and the positioning rod 23 will move into the positioning hole 22 to facilitate locking the movable plate 1, so that the movable plate 1 can be easily positioned to avoid sliding of the movable plate 1 during movement and transportation.

[0038] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model should be included in the protection scope of the utility model. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the utility model, and these improvements and variations should also be regarded as the protection scope of the utility model.

Claims

1. A combined bracket, comprising a bottom plate (9) and a top plate, characterized in that: The device further comprises a lifting assembly, wherein the bottom plate (9) is connected to the top plate via the lifting assembly, and the lifting assembly comprises a threaded rod (15), an inner cylinder (16), an outer cylinder (14), a hand wheel (8), a driving gear (11), a rotating rod (10) and a driven gear (12), wherein the top end of the bottom plate (9) is fixedly connected to the outer cylinder (14), the top of the outer cylinder (14) has an opening, the inner cylinder (16) penetrates the opening and is connected to one end of the threaded rod (15), and the other end of the threaded rod (15) is sleeved on the driven gear (12). The driven gear (12) is also fixedly connected to the threaded rod (15), the driven gear (12) meshes with the driving gear (11), the driving gear (11) penetrates the circumferential side wall of the outer cylinder (14) through the rotating rod (10) and is connected to the hand wheel (8), the top of the inner cylinder (16) is connected to the top plate, the top plate comprises two moving plates (1), a mounting plate (3) and a sliding assembly, and the sliding assembly can limit the relative position of the moving plate (1) and the mounting plate (3) to one of two preset positions.

2. The combined bracket according to claim 1, characterized in that: The inner wall of the outer cylinder (14) has limiting grooves (7) on opposite sides, the outer peripheral wall of the inner cylinder (16) is connected to a limiting block (6), and the limiting block (6) is adapted to the limiting groove (7) so as to be able to slide along the limiting groove (7).

3. The combined bracket according to claim 1, characterized in that: The sliding assembly comprises movable grooves (5) provided on the left and right sides of the mounting plate (3), a limit plate (2) slidably arranged in the movable groove (5), and a movable rod (4) connected to the limit plate (2), wherein the limit plate (2) can slide axially along the movable groove and will not separate from the movable groove (5), and the movable rod (4) is also connected to the movable plate (1).

4. The combined bracket according to claim 3, characterized in that: Side plates (26) are fixedly mounted on both the front and rear sides of the mounting plate (3); the two side plates (26) have sliding grooves (27) on the facing sides; a sliding block (25) is slidably connected in the sliding groove (27); and one side of the sliding block (25) is fixedly connected to the movable plate (1).

5. The combined bracket according to claim 4, characterized in that: The top plate further comprises a limiting assembly. The movable plate (1) is a U-shaped plate, comprising a first plate and a second plate arranged in parallel, the second plate being located at the bottom of the first plate, the limiting assembly being mounted on the second plate, the second plate having a mounting cavity (17), the mounting cavity (17) having a first opening and a second opening at opposite ends, the limiting assembly comprising a positioning rod (23), a return spring (20) and a pull plate (18), the positioning rod (23) passing through the mounting cavity (17), one end of which extends along the first opening and is movably plugged into a positioning hole (22) on the mounting plate (3), and the other end of which extends along the second opening and is connected to the pull plate (18), the return spring (20) being located in the mounting cavity (17) and sleeved on the positioning rod (23), the positioning rod (23) having a fixing plate (21) protrudingly arranged on a circumferential side wall close to the first opening, one end of the return spring (20) being connected to the first plate, and the other end of the return spring (20) being connected to the fixing plate (21).

6. The combined bracket according to claim 1, characterized in that: The top end of the movable plate (1) is provided with a partition plate (29), and the top end of the movable plate (1) is divided by the partition plate (29) to form a plurality of first placement grooves (24).

7. The combined bracket according to claim 1, characterized in that: The surface of the mounting plate (3) is provided with second placement grooves (28), and the number of the second placement grooves (28) is four.

8. The combined bracket according to claim 1, characterized in that: Support blocks (13) are fixedly mounted at the four corners of the bottom end of the base plate (9), and the number of the support blocks (13) is four.

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