Pull explosion screw nail

A screw and nut technology, applied in the direction of screws, threaded fasteners, connecting components, etc., can solve the problems of rust on the surface of stainless steel, affecting the aesthetics, and increasing the amount of work.

Inactive Publication Date: 2009-04-22
SHENZHEN YONGLI HARDWARE SPRINGS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing pop-up screws have a direct impact on the aesthetics of our installation of stainless steel projects or other items because the exposed wall is too long. Users usually need to cut off the exposed part to achieve the aesthetic effect
The sparks in the cutting process sometimes directly touch the stainless steel, causing the surface of the stainless steel to rust, and also increasing the amount of work
At present, the traditional pop-up screw is generally composed of three parts: the screw, the jacket and the gasket, and its complex structure also increases the amount of work during installation.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] see Figure 1 to Figure 2 , a pop-up screw, which includes a conical head 1, a main body 2, a nut 3, a plurality of head thread 4.

[0008] The nut 3 is installed on the head of the main body 2 , and the nut 3 has a smooth and smooth appearance and a model decoration letter 31 in the middle part.

[0009] The conical head 1 is mounted on the tail of the main body 2 .

[0010] On the main body 2, a toothless area 21 of 5 mm is provided downward from its head, and the toothless area 21 is for the convenience of being equipped with pad buttons and accessories for movable use.

[0011] The lower end of the toothless area 21 on the main body 2 is provided with several head threads 4, the several head threads 4 are mainly to facilitate the self-rotation of the bursting screw during the beating process, so that labor-saving, time-saving and convenient in the process of nailing. More suitable for working at heights.

[0012] The present invention is simple in structure and o...

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PUM

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Abstract

An expansion screw comprises a conical head, a main body, a screw cap and a plurality of screw threads. The screw cap is arranged on head part of the main body, has a round and smooth external surface and is provided with a model decoration letter at the central part. The conical head is arranged at the tail part of the main body. A toothless area with the width of 5 mm is arranged at the main body from the head downwards, and is provided for facilitating movable use for providing a cushion buckle and accessories; the screw threads are arranged at the lower end of the toothless area on the main body, and are mainly used for facilitating the expansion screw to automatically rotate during knocking, which saves labor and time saving during driving, and is more suitable for overhead work.

Description

technical field [0001] The invention relates to a screw, in particular to a high-strength pop-up screw used for fixing or installing objects on a wall or on the ground. Background technique [0002] Pull-out screws are necessary hardware products in the construction industry, and pull-out screws mainly play a fastening role. At present, the common pull-up screws on the market are complex in structure and only have a pulling force effect, but do not have an aesthetic effect. Even if some manufacturers produce pop-up screws, they only make changes in product specifications or materials. Existing pull-up screws are too long because the exposed wall directly affects the aesthetics when we install stainless steel projects or other items. Users usually need to cut off the exposed part to achieve the aesthetic effect. And the spark in the cutting process is sometimes directly stained on the stainless steel, causing the surface of the stainless steel to get rusty, and also increas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B25/10
Inventor 钟伟艺
Owner SHENZHEN YONGLI HARDWARE SPRINGS IND
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