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Slot mortise coupling structure

A joint structure and tenon-groove technology, which is applied in the direction of connecting components, furniture connection, mechanical equipment, etc., can solve the problems of unsightly appearance, low connection strength, easy to fall off, etc., achieve good firmness, ensure firmness, and enhance pre-tightening force Effect

Inactive Publication Date: 2009-10-14
JIANGSHAN OUPAI DOOR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional reinforcement process has the following problems: although the wedge expansion process can be used for tenon structures, it is not beautiful, and it is difficult to use in some occasions such as modern furniture and highly decorative doors; The tenon structure has low connection strength and is easy to fall off in actual use

Method used

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  • Slot mortise coupling structure
  • Slot mortise coupling structure

Examples

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Embodiment Construction

[0012] see figure 1 . The connecting part of the component 1 is a tenon, and the tenon is composed of an upper tenon 11 and a lower tenon 12 , and a convex inner groove 3 is provided in the middle of the upper tenon 11 and the lower tenon 12 . The connecting part of the component 2 matches the connecting part of the component 1, and the concave tenon 21 is arranged in the middle of the entire groove. Of course, the shapes of the tenon and the groove, and the shapes of the convex inner groove 3 and the concave inner tenon 21 can be deformed as required, as long as they match each other.

[0013] see figure 2 . Considering that the thickness of component 1 and component 2 is relatively thin, it is not suitable to use figure 1 The shown structure, therefore, adopts the following modified structure. Its deformation is: 1, will figure 1 The concave and tenon 21 in the middle evolves into an independent part pin, and the pin is preferably with the log pin 4; 2, open a seconda...

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Abstract

The invention relates to a slot mortise coupling structur, comprising a tenon and a groove which are oppositely arranged on two components; the invention is characterized in that: the concave part of the groove is provided with a tenon inside the concave part, correspondingly, the convex part of the tenon is provided with a groove arranged inside the convex part; the groove arranged inside the convex part is used for holding the tenon inside the concave part, and the tenon inside the concave part can be an independent part. After the double male and female tenon structure, namely, the tenon inside the concave part and the groove inside the convex part, are adopted and assembled, the tenon inside the concave part has the wedge-spreading effect, and by the wedge-spreading force of the tenon inside the concave part and the shrinkage force at the two sides of the groove, the pretightening force between the tenon and the groove is greatly enhanced, and the firmness is better. To the coupling of light and thin components, the engaged pretightening force between the coupled components can be enhanced by adopting the round log pin structure and utilizing the pull of vacuum, and the effect is more obvious if a plurality of the round log pins are arranged.

Description

【Technical field】 [0001] The invention is a connection structure of two components, in particular, it belongs to a tongue-and-groove connection structure. 【Background technique】 [0002] The connection between two components, such as the connection between two flat plates, usually adopts a tenon and groove connection structure, that is, the tenons and grooves are respectively processed on the two parts to be connected, and then the assembly and combination are carried out to connect the two parts into one. overall. In order to ensure the firm connection of the two parts, further measures are usually taken in the prior art: for open tenons, the wedge expansion process is used to increase the pre-tightening force on the assembled tenons; Log pin and tongue and groove construction to meet requirements. This traditional reinforcement process has the following problems: Although the wedge expansion process can be used for tenon structures, it is not beautiful, and it is difficu...

Claims

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Application Information

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IPC IPC(8): F16B12/12
Inventor 吴水根王忠
Owner JIANGSHAN OUPAI DOOR IND
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