Double dovetail oblique mortise and tenon joint method
A connection method and dovetail technology, which is applied in the direction of furniture connection, connection components, mechanical equipment, etc., to achieve the effect of firm connection and improved utilization rate
Active Publication Date: 2015-11-25
NANTONG YAOLONG METAL MFG CO LTD
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Thereby reach the four-sided connection of the present invention as firm
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[0010] exist figure 1 , 2 In the shown embodiment, a dovetail-shaped groove is drawn in the center of the four sides of the joint surface of the upper wood 1, two groups of dovetail-shaped grooves 1-1 on two adjacent sides are obliquely connected together, and then two parallel grooves are processed. Dovetail oblique groove 1-1. Draw a dovetail convex groove 2-1 in the center of the four sides of the joint surface of the lower wood 2, connect two groups of dovetail convex grooves 2-1 on adjacent two sides, and then process two parallel dovetail convex grooves 2- 1. Upper and lower wooden 1,2 two dovetail row oblique grooves 1-1 and two dovetail row oblique grooves 2-1 have the same shape and size. Two dovetail-shaped oblique convex grooves 2-1 on the lower wood 2 are inserted obliquely in two dovetail-shaped oblique grooves 1-1 on the upper wood 1. This kind of connection structure has dovetail-shaped mortise and tenon joints on all four sides, and the four sides of the sq...
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The invention discloses a method for connecting double-swallow-tail-shaped inclined mortises and tenons, and the method is used for firmly connecting four faces of top-grade square rosewood. The top-grade square rosewood comprises a piece of upper square wood and a piece of lower square wood, and two parallel swallow-tail-shaped inclined grooves are formed in the centers of two sets of adjacent edges of a joint face of the upper square wood. Two parallel swallow-tail-shaped inclined convex grooves are formed in the centers of two sets of adjacent edges of a joint face of the lower square wood, the two swallow-tail-shaped inclined grooves in the upper square wood are meshed with the two swallow-tail-shaped convex grooves in the lower square wood, and the upper square wood and the lower square wood are inserted together in the inclined direction. The method for connecting the double-swallow-tail-shaped inclined mortises and tenons is used for connecting the top-grade square rosewood, the top-grade square rosewood is connected firmly, the four faces of the top-grade square rosewood are provided with the swallow-tail-shaped mortises and the tenons, and the top-grade square rosewood is very attractive after being connected.
Description
technical field [0001] The invention relates to a method for connecting two pieces of high-grade wood such as mahogany in a square shape, in particular a double dovetail oblique mortise and tenon connection method which is as firm as four-sided connection. Background technique [0002] The currently known dovetail-shaped mortise and tenon connections are all used on the movable assembly of the machine tool carriage with high precision requirements. It adopts a single dovetail-shaped straight mortise and tenon structure. This structure requires high processing requirements. It is firm and cannot be pulled out upwards. Traditional mahogany and other connections adopt a square mortise and tenon structure, which is easy to process, and is embedded and disassembled. The connection firmness is worse than that of the dovetail mortise and tenon, and it can be pulled out. Contents of the invention [0003] In order to overcome the shortcomings of the existing square mortise and te...
Claims
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IPC IPC(8): F16B12/20
Inventor 车晋绥
Owner NANTONG YAOLONG METAL MFG CO LTD