Reformed door frame
A door frame and frame material technology is applied in the field of prefabricated parts for the renovation of old house door frames, which can solve problems such as disturbing the normal life of residents, affecting property safety, and increasing residents' troubles, so as to save waste disposal, simplify construction, and save building materials. Effect
Inactive Publication Date: 2012-08-29
SHANGHAI SENLIN SPECIAL TYPE STEEL DOOR
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Problems solved by technology
In the actual operation, the following problems will be encountered: on the one hand, it is necessary to carry out destructive demolition. During the demolition process, it is easy to cause environmental pollution and waste disposal is necessary; on the other hand, the original door frame will disturb the residents The normal life of the residents will especially affect the safety of the residents' indoor belongings, adding a lot of unnecessary troubles to the residents
Method used
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[0009] The present invention (see accompanying drawing) adopts Z-shaped frame material, uses full welding to grind the joints of the Z-shaped horizontal and vertical frame materials, and forms a reformed frame whole that can be embedded in the original door frame 1 after welding the four frame materials; Automatic self-drilling screws 3 are used to connect the modified frame 2 and the original door frame, and countersunk holes are made on the surface of the modified frame where the screws are installed to ensure that the rear ends of the assembly screws are flush with the surface of the door frame; between the modified frame and the original door frame Install gasket 4 to adjust the gap position of the connection to ensure that there is no gap between the modified frame and the original door frame, so as to prevent the deformation of the modified frame caused by the screw during rotation; Holes are provided in the corresponding positions of the frame so as not to affect the nor...
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The invention provides a reformed door frame, relating to a prefabricated member used for reforming an old door frame with an original door frame in a building hole, and aiming to realize the reforming effect without damaging the structure of the original door frame. By maintaining the original door frame, the reformed door frame is characterized in that Z-shaped frame materials are adopted, the assembling part of the Z-shaped horizontal and longitudinal frame materials is fully welded and polished; four-side frame materials are formed into an integral reformed frame capable of being embedded in the original door frame after being assembly welded; the reformed frame and the original door frame are connected by automatic self-drilling screws; counter bores are formed at the position of the reformed frame surface where screws are installed; the rear end of mounting screws are flush with the door frame surface; a cushion is arranged at the gap position of the connection part between the reformed frame and the original door frame, so as to prevent the reformed frame from distorting caused by the screws in the rotation process; opening holes are arranged at the corresponding position of the reformed frame according to the position of the original door frame where hardware is installed, so that the normal use of the original hardware is not influenced.
Description
Technical field: [0001] The invention relates to a prefabricated part for rebuilding an old house door frame with an original door frame at a building opening. Background technique: [0002] To renovate the existing old doors and windows, the original door frame needs to be removed from the building components, so that the building is in an open opening. In the actual operation, the following problems will be encountered: on the one hand, it is necessary to carry out destructive demolition. During the demolition process, it is easy to cause environmental pollution and waste disposal is necessary; on the other hand, the original door frame will disturb the residents The normal life of the residents will especially affect the safety of the residents' indoor belongings, adding a lot of unnecessary troubles to the residents. Invention content: [0003] The technical problem to be solved in the present invention is to install a new door frame when the residents normally close ...
Claims
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Inventor 曹德群张勇飞
Owner SHANGHAI SENLIN SPECIAL TYPE STEEL DOOR