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Doorframe connecting piece

A technology for connectors and door frames, applied in the direction of corner joints/side joints, etc., can solve problems such as loopholes, material melting, and inconvenient installation, and achieve the effects of broad market prospects, long service life, and convenient assembly and disassembly

Inactive Publication Date: 2013-07-24
ASSA ABLOY GUOQIANG SHANDONG HARDWARE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the connection between the horizontal frame and the vertical frame of the anti-theft door and fire door frame is generally welded. The door frame made by this connection method has unsightly appearance. Fortunately, the material is often melted and leaks appear. The second is that the door frame is easily deformed, which brings inconvenience to the installation.

Method used

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Embodiment Construction

[0015] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment is a door frame connecting piece, including a main connecting piece 1, a corner 2 and a secondary connecting piece 5, and its feature is that both the main connecting piece 1 and the secondary connecting piece 5 include an upper platform connected to the middle connecting plate 6 7 and the lower inclined plate 8, side arms 9 are respectively provided on both sides of the middle connecting plate 6, T-shaped bosses 10 are arranged on the upper platform 7; the lower inclined plate 8 of the main connector 1 is provided Threaded hole 11, round hole 12 is provided on the lower slant plate 8 of the secondary connector 5; locking bolt 4 and spring 3 are arranged between the main connector 1 and the lower slant plate 8 of the secondary connector 5; The corner 2 includes an upper plate 21 and a lower plate 22 , and upper chute 24 and lower chute 25 are respectively provided on both sid...

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Abstract

The invention relates to a doorframe connecting piece which comprises a main connecting piece, a corner and an auxiliary connecting piece. The doorframe connecting piece is characterized in that the main connecting piece comprises an upper table plate and a lower sloping plate, the auxiliary connecting piece comprises an upper table plate and a lower sloping plate, the upper table plates and the lower sloping plates are connected with a middle connecting plate, side arms are arranged on two sides of the middle connecting plate respectively, a T-shaped boss is arranged on each upper table plate, a threaded hole and a round hole are formed in the lower sloping plate of the main connecting piece and in the lower sloping plate of the auxiliary connecting piece respectively, a locking bolt and a spring are arranged between the lower sloping plate of the main connecting piece and the lower sloping plate of the auxiliary connecting piece, the corner comprises an upper plate and a lower plate, an upper sliding groove and a lower sliding groove are formed on two sides of the upper plate respectively, and an upper sliding groove and a lower sliding groove are formed on two sides of the lower plate respectively. The doorframe connecting piece can connect a horizontal frame and a vertical frame of a doorframe without welding needed, has a connecting function as well as a locking function, and is simple in structure, convenient to assemble and disassemble, reasonable in design, long in service life, and wide in market prospect.

Description

technical field [0001] The invention relates to a connecting piece, in particular to a door frame connecting piece with self-locking function. Background technique [0002] At present, the connection between the horizontal frame and the vertical frame of the anti-theft door and fire door frame is generally welded. The door frame made by this connection method has unsightly appearance. Fortunately, the material is often melted and leaks appear. The second is that the door frame is easily deformed, which brings inconvenience to the installation. Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the invention provides a door frame connector that does not require welding, has a simple structure, is convenient to operate, has a long service life and has a self-locking function. [0004] The present invention is achieved through the following technical solutions: [0005] A door frame connector, comprising a main connector, a corner ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B3/96
Inventor 靳晓波曹俊兰
Owner ASSA ABLOY GUOQIANG SHANDONG HARDWARE TECH CO LTD
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