Lighting cable explosion-proof joint structure
A joint structure and explosion-proof technology, which is applied in the direction of conductive connection, electrical component connection, circuit, etc., can solve the problems of complex structure, waste of resources, large volume, etc., and achieve the effect of wide application, fast wiring, and reliable insulation connection
Active Publication Date: 2018-02-06
SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1
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Problems solved by technology
[0002] At present, many explosion-proof composite lamps, such as flameproof plus increased safety type or flameproof plus intrinsically safe type, etc., when the cables are led out of the flameproof chamber, most of them use compression nuts and fillers to compress the cable leading wires. The lead-out wires have to be connected with other wires through the terminal block, which is not only bulky, but also has a complex structure, which will increase the cost of the lamp and cause waste of resources
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[0031] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0032] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes ...
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Disclosed is a cable flame-proof joint structure of a light fixture. The structure includes a nesting part with a cylindrical structure, a conductive column installed in the nesting part, an injection molding part which is formed through injection molding in a gap between the periphery of the conductive column and the inner wall of the nesting part, and two wiring assemblies which are installed respectively at the two ends of the injection molding part and are in breakover with the two ends of the conductive column. Each wiring assembly includes a guide column fixed in an end part of the injection molding part, wherein the guide column is provided with a guide groove which extends in the axial direction of the guide column, a wiring hole which passes through the side wall of the guide column and is in communication with the guide groove and a slide groove which is arranged at a closed end of the guide column; a movable pressure block which is arranged in the guide groove in a slide manner, wherein the movable pressure block can abut against the bottom of the guide groove; an insulating button which is arranged at the opening of the end part of the injection molding part in a slide manner and provided with a push column which is capable of sliding along the slide groove and abuts against the movable pressure block; and a resetting elastic part which is installed in the guide groove and abuts against the mobile pressure block. The cable flame-proof joint structure is comparatively rapid and convenient in connection of a wire.
Description
【Technical field】 [0001] The invention relates to a cable flameproof joint structure, in particular to a cable flameproof joint structure of a lamp. 【Background technique】 [0002] At present, many explosion-proof composite lamps, such as flameproof plus increased safety type or flameproof plus intrinsically safe type, etc., when the cables are led out of the flameproof chamber, most of them use compression nuts and fillers to compress the cable leading wires. The drawn-out wires are also connected to other wires through the terminal block, which not only has a large volume, but also has a complex structure, which increases the cost of the lamp and causes waste of resources. 【Content of invention】 [0003] In view of the above situation, it is necessary to provide a cable flameproof joint structure of a lamp which is quicker and more convenient to connect wires. [0004] A cable flameproof joint structure of a lamp, comprising: [0005] It is a nesting part of a cylinder...
Claims
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IPC IPC(8): H01R11/00H01R11/09
CPCH01R11/00H01R11/09
Inventor 周明杰李明合
Owner SHENZHEN OCEANS KING LIGHTING ENG CO LTD