A spiral back clutch assembly
A clutch assembly and screw technology, applied in the field of screw return clutch assembly, can solve the problems of easy opening of door locks, reduced reliability of the lock body, troublesome installation of the lock body, etc., to achieve high safety, increase adaptability and flexibility Effect
Active Publication Date: 2017-01-25
718TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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Problems solved by technology
The structure of the door lock with the clutch on the front panel is simple, but the front panel is damaged, and it is easy to open the door lock when the front panel is removed; the lock body of the door lock with the clutch inside the lock body is an electric lock body, and there is a signal on the lock body Cables, power supply lines, the installation of the lock body is more troublesome, and due to the addition of electrical components, the reliability of the lock body is reduced
Method used
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Embodiment Construction
[0021] Such as figure 1 As shown, the screw-type back clutch assembly of the present invention includes: the top pin 7, the top pin spring 8, the top pin retaining ring 6, the inner handle rotary part 5, the square steel sleeve 4, the transmission parts a and b; the peripheral equipment is The square steel, the inner handle, the outer handle and the inner part 1 of the lock; the inner part 1 of the lock is the actuator of the deadbolt.
[0022] The reference number of the transmission part a is 2, and the reference number of the transmission part b is 3.
[0023] Such as Figure 4 As shown, the outer peripheral surface of the square steel sleeve 4 is provided with radial blind holes, and the end surface of the square steel sleeve 4 is provided with square steel holes; the outer peripheral surface of the square steel sleeve 4 is also provided with a raised spiral structure , the end of the spiral structure forms a vertical step surface on the outer circumferential surface of ...
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The invention provides a spiral type reverse clutch assembly. A radial blind hole is formed in the outer circumferential surface of a square steel sleeve, a square steel hole is formed in the end surface of the square steel sleeve, and a protrusive spiral structure is arranged on the outer circumferential surface; a step counter bored hole for installing the square steel sleeve is formed in the end surface of an internal handle rotating piece, a radial lifting pin hole is formed in the outer circumferential surface of the internal handle rotating piece, and the lifting pin hole is communicated with the step counter bored hole; an internal handle rotating piece spiral structure matched with the spiral structure of the square steel sleeve is arranged on the step surface of the step counter bored hole. The spiral type reverse clutch assembly is located on an indoor back panel, even though a front panel is broken and disassembled, a door lock cannot be unlocked; in addition, the spiral type reverse clutch assembly can be rotated unidirectionally, when the spiral type reverse clutch assembly is rotated reversely, the spiral surfaces of the internal handle rotating piece and the square steel sleeve enable the square steel sleeve and the internal handle rotating piece to be separated, the internal handle rotating piece cannot be rotated depending on friction force, the safety is high, and fast locking can be achieved both indoors and outdoors according to the design.
Description
technical field [0001] The invention belongs to the technical field of products, and in particular relates to a screw type return clutch assembly. Background technique [0002] At present, most of the clutch mechanisms of electronic door locks on the market are located on the front panel of the door lock or inside the lock body. The structure of the door lock with the clutch on the front panel is simple, but the front panel is damaged, and it is easy to open the door lock when the front panel is removed; the lock body of the door lock with the clutch inside the lock body is an electric lock body, and there is a signal on the lock body Wires, power supply lines, and the installation of the lock body are cumbersome, and due to the addition of electrical components, the reliability of the lock body decreases. Contents of the invention [0003] In order to solve the above problems, the present invention provides a helical return clutch assembly with relatively high safety. ...
Claims
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IPC IPC(8): E05B15/00
Inventor 王福虎陈正华吴勇张重阳刘黎军
Owner 718TH RES INST OF CHINA SHIPBUILDING INDAL CORP