Ladder frame lock and ladder thereof
A frame lock and ladder technology, applied to ladders, buildings, building structures, etc., to achieve the effect of convenient and quick locking and disengagement, simple structure, and easy industrial promotion and application
Active Publication Date: 2012-08-08
TIANJIN GOLD ANCHOR HOUSEHOLD GOODS CO LTD
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Problems solved by technology
[0005] In the known technology, there is no lock that locks the main ladder and the auxiliary ladder by locking the ladder frame. The industry expects such a technology to come out to further improve the quality of the ladder
Method used
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[0045] Below in conjunction with preferred embodiments, the specific implementation, features and effects provided by the present invention are described in detail as follows; for the purpose of simplicity and clarity, the description of known technologies is appropriately omitted below to avoid unnecessary details Affect the description of this technical solution.
[0046] see Figure 1-6 As shown, a ladder includes a main ladder 1, an auxiliary ladder 2 and a ladder platform 3 installed between the main ladder and the auxiliary ladder, wherein the ladder frame lock 7 is installed on the main ladder frame and the auxiliary ladder frame, and the ladder The frame lock is responsible for locking the main ladder frame and the auxiliary ladder frame when the main ladder and the auxiliary ladder are closed, which is convenient for storage;
[0047] The ladder frame lock 7 is composed of a dynamic lock part 72, a fixed lock part 71 and a dynamic lock base part 70. The fixed lock pa...
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The invention relates to a ladder frame lock and a ladder thereof, in particular to a lock for a ladder with a main ladder and an auxiliary ladder and the ladder thereof, wherein the ladder frame lock of the ladder comprises a movable lock part, a fixed lock part and a movable lock base part, wherein the movable lock part is provided with a movable lock hook part which can be hooked with the fixed lock hook part; the fixed lock part is provided with a fixed lock hook part which can be hooked with the movable lock hook part; the fixed lock part is installed on the main ladder frame or the auxiliary ladder frame; the movable lock part is installed on the movable lock base part through a pivot shaft; the movable lock part can be installed in a mode that a spring rotates around the pivot shaft of the movable lock base part; and the movable lock base part is installed on the auxiliary ladder frame or the main ladder frame. In the invention, the movable lock base part is used as a fixed component, the movable lock part is used as a movable component, and the spring is used for driving the movable lock hook part to open or clamp to realize hooking by combining with the fixed lock part, thereby locking the main ladder frame and the auxiliary ladder frame together. The invention has reasonable design and can conveniently and quickly realize locking and disconnection of the main ladder and the auxiliary ladder.
Description
technical field [0001] This case belongs to the field of ladders, and in particular relates to locks for ladders with main ladders and auxiliary ladders and ladders thereof. Ladders with primary and secondary ladders include, but are not limited to, herringbone ladders or telescopic ladders. Background technique [0002] For the ladder with the main ladder and the auxiliary ladder, when the main ladder and the auxiliary ladder are folded, it needs to be safely locked and convenient for storage. This is the constant pursuit of the industry, but it still cannot meet the needs of the market. [0003] Such as the published Chinese patent 01200186 a kind of stair chair, a rear bracket is pivotally connected above the front bracket, and several ladder plates are arranged on both sides of the front bracket. There is a cross bar, the front end of the upper stair among the several stair plates is provided with a through groove, and the cross bar is provided with a stopper protruding...
Claims
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IPC IPC(8): E06C7/00E06C1/28
Inventor 李杰符祖经
Owner TIANJIN GOLD ANCHOR HOUSEHOLD GOODS CO LTD