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Door lock

A door lock and locking frame technology, which is applied in textiles and papermaking, weft knitting, building fastening devices, etc., can solve problems such as troublesome operation, high cost, and loose operating handle, and achieve convenient operation, simple structure, and low cost. cheap effect

Inactive Publication Date: 2010-05-12
ZHANG JIA GANG RUN SHAN KNITTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The door lock of this structure has a complex structure, high cost, and troublesome operation; and long-term use will make the operating handle 3 active and loose, causing the locking head 5 to automatically decouple, thereby causing the revolving door 2 to often open abnormally.

Method used

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Experimental program
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Embodiment Construction

[0013] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0014] Such as figure 2 and image 3 As shown, a door lock according to the present invention includes: a buckle 5 arranged on the machine base 1 and a locking device arranged on the revolving door 2 and matched with the buckle 5, and the locking device includes a A pair of locking pieces 3 constitute a locking frame, a clasp 4 and an operating handle 6, and the ends of the pair of locking plates are respectively provided with bayonet openings 31 matched with the buckle 5, and the clasp 4 and the operating handle 6 are also respectively passed through the clasp. The pin shaft 41 and the handle pin shaft 61 are movably arranged between the pair of locking pieces 3, and the buckle 4 cooperates with the bayonet 31 and the operating handle 6, and the pair of locking pieces 3 are also pierced with the buckle 4 Matching limit pin 7.

[0015] The...

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PUM

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Abstract

The invention discloses a door lock with simple structure, convenient use and low cost. The door lock comprises a clamping buckle and a locking device matched with the clamping buckle; the locking device comprises a locking frame; a bayonet matched with the clamping buckle is arranged on the locking frame; a buckling hook matched with the bayonet and an operating handle matched with the buckling hook are movably arranged on the locking frame as well; a stop block matched with the buckling hook is also arranged on the locking frame. The door lock has the advantages of very simple structure, lowcost, convenient operation, durability, stability and reliability.

Description

technical field [0001] The invention relates to a door lock. Background technique [0002] Such as figure 1 As shown, the door lock currently used on a large circular knitting machine includes: a buckle 6 arranged on the machine base 1, an operating handle 3 movably threaded on the revolving door 2, and a locking head arranged at the end of the operating handle 3 5. When opening the revolving door 2, pull the operating handle 3 by hand to drive the locking head 5 to rotate upwards, so that the locking head 5 is separated from the buckle 6, and then pull the revolving door 2 outward to make it in an open state; when closing the revolving door 2 First, close the revolving door 2, and then pull the operating handle 3 in the opposite direction to drive the locking head 5 to rotate downward, so that the locking head 5 and the buckle 6 overlap each other, and the revolving door 2 is locked. The door lock of this structure, its structure is more complicated, and cost is higher, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05C3/08D04B15/00
Inventor 郑泽山李金池曹均见贺继梅
Owner ZHANG JIA GANG RUN SHAN KNITTING MACHINERY