Pipe fitting sliding groove anti-loosening clamping mechanism for lifting desktop expansion
By designing the anti-loosening clamping mechanism of pipe fittings, fast clamping is achieved using cams and tie rods, and preventing loosening through C-type clamping and rivets, the problems of table top expansion and pipe fitting loosening in lifting tables are solved, achieving the effect of rapid expansion and efficient clamping.
Patent Information
- Application Number
- CN202421229393.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In lifting tables, it is difficult for the existing technology to achieve rapid expansion of the desktop and functional expansion. At the same time, the pipe fittings are easily loosened after clamping, and there is a lack of an effective anti-loosening clamping mechanism.
A pipe fitting sliding groove anti-loosening clamping mechanism is designed, including pipe fittings one and two, which can quickly clamp and loosen through cams and pull rods, and prevent loosening after clamping through C-type clamps and rivets.
It realizes rapid clamping and anti-loosening of pipe fittings, facilitates desktop expansion and function expansion, and improves usage efficiency and safety.
Smart Images

Figure CN222548861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting tables, in particular to a pipe fitting slideway anti-loosening clamping mechanism for expanding a lifting tabletop. Background Art
[0002] In a lift table, if you want to expand the desktop or expand its functions, it is not convenient to find a table of the same height or another lift table to splice. Splicing a table board on one side of the desktop is a more convenient way, and a fast and anti-loose structure is required for docking. If you need to lengthen, retract, or connect other functional expansion structures, a quick clamping mechanism is also required to prevent the pipe from loosening after clamping. Summary of the invention
[0003] The utility model overcomes the deficiencies of the prior art and provides a pipe sliding groove anti-loosening clamping mechanism for expanding a lifting tabletop.
[0004] In order to achieve the above-mentioned purpose, a pipe sliding groove anti-loosening clamping mechanism for expanding a lifting desktop is designed, comprising pipe fitting one and pipe fitting two, a sliding groove is opened on one side of pipe fitting one, a mounting hole is opened on pipe fitting two, a cushion block is provided above the mounting hole, a pressure block is provided above the cushion block, a cam is provided above the pressure block, an eccentric shaft is provided in the cam, a pull rod is connected below the shaft, the pull rod passes through the pressure block, the cushion block, the sliding groove of pipe fitting one and the mounting hole of pipe fitting two and is connected to a locking nut, a handle is provided on one side of the cam, a C-type clamp is installed on one side of the handle, a groove is opened on one side of the cushion block, and one end of the C-type clamp can be inserted into the groove.
[0005] The C-clip is mounted on one side of the handle by two rivets.
[0006] A rubber pad is arranged between the pressing block and the cushion block.
[0007] Compared with the prior art, the utility model can nest the pipes with each other, can be quickly clamped and loosened by the cam, and can prevent the cam from loosening due to accidental touch after clamping, thereby effectively realizing the function of preventing the pipes from loosening and clamping. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 It is a schematic diagram of the utility model.
[0009] Figure 2 It is a side view of the utility model.
[0010] Figure 3 It is an exploded view of the utility model.
[0011] Figure 4 It is a schematic diagram of the use of the utility model.
[0012] See also Figure 1-Figure 4 , where 1 is pipe fitting 1, 1-1 is slide groove, 2 is pipe fitting 2, 2-1 is mounting hole, 3 is spacer block, 3-1 is groove, 4 is pull rod, 5 is rubber pad, 6 is pressure block, 7 is cam, 7-1 is shaft, 7-2 is handle, 8 is rivet, 9 is C-clip, 10 is locking nut, 11 is table board 1, and 12 is table board 2. DETAILED DESCRIPTION
[0013] The utility model is further described below with reference to the accompanying drawings.
[0014] like Figure 1-Figure 4 As shown, a slide groove 1-1 is provided on one side of the pipe fitting 1, a mounting hole 2-1 is provided on the pipe fitting 2, a cushion block 3 is provided above the mounting hole 2-1, a pressure block 6 is provided above the cushion block 3, a cam 7 is provided above the pressure block 6, an eccentric shaft 7-1 is provided in the cam 7, a pull rod 4 is connected to the lower part of the shaft 7-1, the pull rod 4 passes through the pressure block 6, the cushion block 3, the slide groove 1-1 of the pipe fitting 1 and the mounting hole 2-1 of the pipe fitting 2 and is connected to a locking nut 10, a handle 7-2 is provided on one side of the cam 7, a C-type clamp 9 is installed on one side of the handle 7-2, a groove 3-1 is provided on one side of the cushion block 3, and one end of the C-type clamp 9 can be inserted into the groove 3-1.
[0015] The C-clip 9 is mounted on one side of the handle 7-2 through two rivets 8. The handle of the cam 7 is connected to the C-clip 9 through the rivets 8, so that the connection is firm and reliable and not easy to fall off. The two rivets 8 can prevent the C-clip 9 from rotating with the handle 7-2.
[0016] A rubber pad 5 is provided between the pressing block 6 and the cushion block 3. The rubber pad 5 can provide elastic force when the cam 7 is pressed, and increase the friction force to keep the pressing block 6 and the cushion block 3 fixed.
[0017] When the utility model is used, pipe fitting 2 is inserted into pipe fitting 1, one end of the slide groove 1-1 is provided with an opening, and the pull rod 4 passes through the slide groove 1-1 and the installation hole 2-1 at the same time. After the positions of pipe fitting 1 and pipe fitting 2 are adjusted into place, the cam 7 is rotated by the handle 7-2, and the cam 7 drives the pull rod 4 through the shaft 7-1. The pull rod 4 drives the locking nut 10 to be pressed on one side of pipe fitting 2, and cooperates with the gasket 3 to clamp pipe fitting 1 and pipe fitting 2 together, thereby completing the installation of pipe fitting 2.
[0018] When the cam 7 is locked, one end of the C-clip 9 is embedded in the groove 3-1 on one side of the cushion block 3. If the cam 7 is accidentally hit from the outside, the cam 7 is not easy to loosen. When it is necessary to disassemble or adjust the distance between pipes, put your fingers into the inside of the C-clip 9 and pull the C-clip 9 outward, then rotate the handle 7-2 to unlock the cam.
[0019] like Figure 4As shown, pipe fitting 1 is transversely fixed under the original table top 12 of the lifting table as a supporting structure of the table top 12 or a separate pipe fitting structure, pipe fitting 2 is fixed under the table top 12, pipe fitting 2 is inserted into pipe fitting 1, and then the cam 7 is rotated by handle 7-2 to quickly lock pipe fitting 1 and pipe fitting 2 2, so that the desktop can be quickly expanded and spliced and can be prevented from loosening after clamping.
Claims
1. A pipe chute anti-loosening clamping mechanism for lifting desktop expansion, characterized in that: The invention comprises a pipe fitting 1 (1) and a pipe fitting 2 (2). A slide groove (1-1) is formed on one side of the pipe fitting 1 (1), a mounting hole (2-1) is formed on the pipe fitting 2 (2), a cushion block (3) is formed above the mounting hole (2-1), a pressure block (6) is formed above the cushion block (3), a cam (7) is formed above the pressure block (6), an eccentric shaft (7-1) is formed inside the cam (7), a pull rod (4) is connected below the shaft (7-1), the pull rod (4) passes through the pressure block (6), the cushion block (3), the slide groove (1-1) of the pipe fitting 1 (1) and the mounting hole (2-1) of the pipe fitting 2 (2), and is connected to a locking nut (10), a handle (7-2) is formed on one side of the cam (7), a C-type clamp (9) is mounted on one side of the handle (7-2), a groove (3-1) is formed on one side of the cushion block (3), and one end of the C-type clamp (9) can be inserted into the groove (3-1).
2. The anti-loosening clamping mechanism for a pipe chute for lifting desktop expansion according to claim 1 is characterized in that: The C-type clip (9) is mounted on one side of the handle (7-2) via two rivets (8).
3. The anti-loosening clamping mechanism for a pipe chute for extending a lifting tabletop according to claim 1 is characterized in that: A rubber pad (5) is provided between the pressing block (6) and the pad (3).