Combined joist

A combined and keel technology, applied in the field of keels, can solve the problems that the floor cannot be disassembled and assembled repeatedly, the house structure is easily damaged, and the stress of the wooden floor is large, so as to achieve the effect of quick installation, improved installation quality, and easy disassembly and assembly.

Inactive Publication Date: 2005-11-30
李新发
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional wooden floor keels usually use square wooden strips. When in use, the wooden strips are nailed to the ground, and the wooden floor is nailed to the square wooden strips. This is not only complicated to install, but it is easy to damage the structure of the house, and it will also make the wooden floor If the stress is too large, it is easy to cause deformation of the wooden floor
After installation, the floor cannot be disassembled repeatedly, and maintenance is inconvenient

Method used

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Embodiment Construction

[0017] Refer to Figures 1 to 4. The present invention is composed of a strip keel 4 and a block keel 1, the block keel 1 is rectangular, and a cross section is T-shaped or Γ-shaped, or a combination of a T-shape and a T-shape is provided on one side of the block-shaped keel surface. Or the combination of T shape and Γ shape, or the strip main rib 2 of Γ shape and Γ shape combination, see Fig. 2, Fig. 3. On the surface of the block-shaped keel on both sides of the main rib 2, there is at least one on each side, and two or more auxiliary ribs 3 parallel to the main rib 2 can also be arranged. The cross-section of the auxiliary rib 3 can be T-shaped, Γ-shaped, rectangular, triangular, polygonal, etc., or a raised boss whose surface is arc-shaped.

[0018] On the back of the block keel 1, there is a groove 5 that can be matched with the strip keel 4, and between the two sides of the groove 5 and the sides of the strip keel 4 that match it, there are interfitting yin and yang groo...

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PUM

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Abstract

This invention relates to a composite keel, characterized in that it comprises the bar and lump keel, wherein on the lump keel is arranged a strip main bar, and the side wall of the main bar is arranged the prominence; on the lump keel surface near the main bar set at least one assistant bar parallel to the main bar; behind the lump keel is arranged a beard corresponding to the bar keel, between the beard and the corresponding bar keel is arranged the lunisolar slot. Said keel can lock the longitudinal joint of two adjacent boards, and it is suitable to mating use with the floor, wall plate and the ceiling.

Description

technical field [0001] The invention relates to a keel, in particular to a combined keel suitable for use with floors, wall panels and ceilings. Background technique [0002] Traditional wooden floor keels usually use square wooden strips. When in use, the wooden strips are nailed to the ground, and the wooden floor is nailed to the square wooden strips. This is not only complicated to install, but it is easy to damage the structure of the house, and it will also make the wooden floor If the stress is too large, it is easy to cause deformation of the wooden floor. The installed floor cannot be disassembled repeatedly, and maintenance is inconvenient. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings of the above-mentioned background technology, and propose a combined keel that can be matched with wooden floors, wall panels and ceilings to make it easy and fast to install, with good installation quality and no deformation ...

Claims

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Application Information

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IPC IPC(8): E04F15/00
Inventor 李新发
Owner 李新发
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