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Dark door absorption device

A technology for secret doors and door bolts is applied in the directions of building fastening devices, wing fan fastening devices, buildings, etc., and can solve the problems of being difficult to observe, hindering walking safety, etc., and achieving convenient and simple assembly, simple structure, and low cost. low cost effect

Active Publication Date: 2014-02-19
SHANGHAI YANGYANG DADUOLI HARDWARE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a concealed door suction device, which solves the technical problems of simple structure, difficult to be observed from the door, no entanglement of clothes and no hindrance to walking safety

Method used

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  • Dark door absorption device
  • Dark door absorption device
  • Dark door absorption device

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Embodiment Construction

[0013] see figure 1 with figure 2 Shown, the present invention is made of the door bolt part and base 4 that fixed cover 1, door bolt slider 2 and coil spring 3 are formed. The fixed sleeve 1 has an axial sliding window hole 11 and a flange 12, and the fixed sleeve 1 is embedded in the pre-embedded hole on the bottom end surface of the door by means of the flange 12 and fixed on the door. The upper part of the doorbolt slider 2 provided with the seat hole 21 is located in the fixed sleeve 1, and its lower part protrudes outside the fixed sleeve 1 through the sliding window hole 11. The side end of the lower part has a bolt tongue 22 extending in the horizontal direction. The end is also provided with a bolt stroke limiting groove 23. One end of the coil spring 3 extends into the seat hole 21 and is supported at the bottom of the hole, and the other end is supported on the corresponding inner wall of the fixed sleeve 1 .

[0014] The base 4 is a pile platform-shaped object ...

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PUM

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Abstract

The invention belongs to a subsidiary component of a door. The dark door absorption device is characterized by comprising a bolt component and a base, wherein the bolt component is arranged in an embedding hole on the end surface of the door bottom; the base is arranged on the floor; the bolt component is composed of a fixing sleeve, a bolt slider and a spiral spring; the fixing sleeve is provided with a sliding window hole and a flange; the bolt slider is located in the fixing sleeve; one end of the spiral spring is supported in a seat hole of the bolt slider, and the other end is supported on the inner wall of the fixing sleeve; the lower side end of the bolt slider passes through the sliding widow hole through a bolt tongue extending horizontally and protrudes out of the fixing sleeve; and the peripheral wall of the base is provided with a bolt hole matched with the shape of the bolt tongue. The dark door absorption device is of a simple structure, does not hook clothes or influence walking safety, and solves the technical problem of difficult observation through the door.

Description

Technical field: [0001] The present invention belongs to the accessory component of the door, in particular to the hidden door suction device for stopping the door at the fully open position. Background technique: [0002] The ZL95244241.8 utility model patent discloses a "windproof door stopper". The windproof door stopper is composed of a hook main body shell, a hook installed in the shell and a hasp detachable from the hook. The main body shell also includes A reciprocating mechanism, a force cap and a buffer spring; the hook is approximately "∏" shaped, and is straddled on the bases on both sides of the force cap by a horizontal fixed pin; the reciprocating mechanism is placed on the base of the shell The circular groove set in the center includes a reciprocating spring, an end wheel mounted on the top of the reciprocating spring and a pressure rod cooperating with the end wheel; the force cap is loosely fitted on the top of the pressure rod, and the lower end of the buf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05C17/44
Inventor 太田益大
Owner SHANGHAI YANGYANG DADUOLI HARDWARE PROD CO LTD