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Expansion connecting piece

A technology of expansion joints and joints, applied in the direction of joints, furniture joints, pins, etc., can solve the problems of complicated installation and large number of eccentric joint parts, and achieve the effect of easy installation and simple structure

Pending Publication Date: 2019-08-20
广州花都区乐思富科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The eccentric connectors used for the connection of panel furniture in the prior art are generally composed of eccentric wheels, connecting rods, and embedded nuts, also known as three-in-one connectors, which can be used for side panels (vertical panels) and laminates ( The connection of the plate in the horizontal direction), however, the number of parts of the eccentric connection is large, and the installation is complicated

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0025] Embodiment one, with reference to Figure 1 to Figure 5 The expansion connector provided by the present invention includes a lifting screw 2, a side plate connector 7 and an expansion sleeve 1. The expansion sleeve 1 is a hollow cylindrical structure, and expansion parts 12 are sequentially arranged along the axial direction of the expansion sleeve 1. And the adjusting part 13, one end of the side plate connector 7 is provided with a connecting rod 71 for connecting with the side plate 01, the opposite end is provided with a nut 3, the lifting screw 2 includes a screw 22 and a head 21 connected to one end of the screw, The screw rod 22 is provided with an external thread, the nut 3 is provided with an internal thread that matches the external thread of the screw rod 22, the side plate connector 7 is threadedly connected with the screw rod 22 through the nut 3, the side plate connector 7 and the lifting screw 2 are arranged on the expansion Inside the casing 1, the nut 3...

Embodiment 2

[0040] Embodiment two, refer to Figure 6 to Figure 7The main structure, principle and function of the expansion connector provided in this embodiment are the same as those in Embodiment 1, and will not be repeated here. The difference is that it also includes embedded nuts 8, and the side plate connector 7 is used for The end of the connecting rod 71 connected with 01 is provided with a positioning connector 72, and the inside of the embedded nut 8 has a cavity 80 for accommodating the positioning connector, and the front end of the cavity 80 is provided with a front panel for clamping the positioning connector 81, the front panel 81 is provided with a positioning hole, the positioning hole is composed of a large hole 812 and a small hole 811, the large hole 812 can be used for the positioning connector 72 to pass through, and the diameter of the small hole 811 is the same as the outer diameter of the connecting rod 71 To adapt, during installation, the positioning connector ...

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Abstract

The invention discloses an expansion connecting piece. The expansion connecting piece comprises a lifting threaded rod, a side plate connecting piece and an expansion sleeve. The expansion sleeve is provided with an expansion portion and an adjustment portion. One end of the side plate connecting piece is connected with a connecting rod, and a nut is arranged at the opposite other end of the sideplate connecting piece. The lifting threaded rod comprises a threaded rod and a head portion, wherein the head portion is connected to one end of the threaded rod. The side plate connecting piece is in thread connection with the threaded rod though the nut. The side plate connecting piece and the lifting threaded rod are arranged inside the expansion sleeve. The nut is arranged in the expansion portion. The nut moves in the axial direction so as to enable the expansion portion to expand or contract to return to the original position. The adjustment portion is provided with a containing chamberfor containing the head portion of the lifting threaded rod. A radial adjustment hole is formed in the side wall of the adjustment portion. The containing chamber communicates with the adjustment hole. Gear teeth extending in the axial direction are arranged on the end face of the head portion of the lifting threaded rod. The gear teeth are evenly arranged in the circumferential direction of thehead portion in a spaced manner. A tooth groove is formed between every two adjacent two gear teeth. Compared with the prior art, the expansion connecting piece has the advantages of being simple in structure, easy to install and capable of being disassembled and assembled repeatedly.

Description

technical field [0001] The invention relates to the technical field of fasteners, in particular to an expansion joint. Background technique [0002] The eccentric connectors used for the connection of panel furniture in the prior art are generally composed of eccentric wheels, connecting rods, and embedded nuts, also known as three-in-one connectors, which can be used for side panels (vertical panels) and laminates ( horizontal plate), however, the number of parts of the eccentric connection is relatively large, and the installation is complicated. [0003] Therefore it is necessary to improve it. Contents of the invention [0004] Aiming at the shortcomings of the prior art, the purpose of the present invention is to provide an expansion joint with a simple structure and easy installation. [0005] In order to achieve the above object, the following technical solutions are provided: [0006] An expansion connector, characterized in that it includes a lifting screw, a s...

Claims

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Application Information

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IPC IPC(8): F16B12/12F16B13/06
CPCF16B12/12F16B13/066
Inventor 刘韦明
Owner 广州花都区乐思富科技有限公司
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