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Adjustable head-mounted locking mechanism

A locking mechanism and adjustable technology, which is applied in the direction of instruments, etc., can solve the problems of low service life, inconvenient adjustment, and large space occupation of straps, and achieve the effects of saving space, easy adjustment, and long life

Pending Publication Date: 2017-02-15
GEER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this type of adjustment mechanism design are: (1) It is not easy to adjust the tightness after wearing the head; (2) The service life of the strap is low; (3) It takes up a lot of space
The locking mechanism includes a locking gear. The locking gear is axially moved and meshed with the inner ring gear next to it, and then the transmission mechanism is locked. complex

Method used

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  • Adjustable head-mounted locking mechanism
  • Adjustable head-mounted locking mechanism
  • Adjustable head-mounted locking mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Such as figure 1 , figure 2 , image 3 , Figure 4 Shown is one of the embodiments of the present invention. In this embodiment, the adjustable head-mounted locking mechanism includes two straps 2 and a strap locking mechanism. One end of the straps 2 is provided with a rack 2-1, The rack 2-1 is inserted into the strap locking mechanism, the strap locking mechanism is provided with a dial 5, the ratchet 5-2 is coaxially arranged on the dial 5, and the ratchet 7-2 is arranged on one side of the dial 5. 1. The ratchet 7-1 is provided with a return spring. Under the action of the return spring, the ratchet 7-1 meshes with the ratchet 5-2. Rotating the dial 5 can only tighten the strap 2 (along figure 2 The counterclockwise direction in the middle), there is a button 6 in the strap locking mechanism, press the button 6 to drive the pawl 7-1 to leave the ratchet 5-2, and the rotating dial 5 can tighten or loosen the strap 2 (along figure 2 in counterclockwise or clock...

Embodiment 2

[0056] In this embodiment, different from Embodiment 1, the front cover 3 and the rear cover 1 are combined by screws. The screw can be installed corresponding to axis 3-1.

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Abstract

The invention discloses an adjustable head-mounted locking mechanism which comprises two bandages and a bandage locking mechanism. A rack inserting into the bandage locking mechanism is arranged at one end of each bandage, a star wheel is arranged in the bandage locking mechanism, a ratchet is coaxially arranged on the star wheel, a pawl is arranged on one side of the star wheel and is provided with a reset spring, the pawl is meshed with the ratchet under the action of the reset spring, the bandages can be tightened by rotating the star wheel, a button is arranged in the bandage locking mechanism and is pushed to drive the pawl to leave the ratchet, and the bandages can be tightened or loosened by rotating the star wheel. The adjustable head-mounted locking mechanism has the advantages of easy adjustment, locking reliability, saving space, long service life and the like.

Description

technical field [0001] The invention relates to an adjustable head-mounted locking mechanism, which is used on a strap of a head-mounted device to adjust the tightness of the strap. Background technique [0002] At present, head-mounted 3D glasses products in the market usually adopt bandage type. Its tightness adjustment mechanism is mainly made up of bandage and adjustment buckle. The main disadvantages of this type of adjustment mechanism design are: (1) It is not easy to adjust the tightness after wearing the head; (2) The service life of the strap is relatively low; (3) It takes up a lot of space. [0003] The product structure of other head-mounted 3D glasses is as follows: [0004] An adjustable head-mounted locking mechanism is disclosed in the Chinese utility model patent "Ring-shaped headband and head-mounted device with the same" (CN205139466U), which is provided with a connecting strap and an adjustable locking plate. Both are equipped with transmission teeth,...

Claims

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Application Information

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IPC IPC(8): G02C3/02
CPCG02C3/02
Inventor 董世雷
Owner GEER TECH CO LTD
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