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Structure of long ruler push-button

A technology of buttons and long rulers, applied in the direction of bendable rulers, etc., can solve the problems of no braking structure and affect people's normal use, and achieve the effects of easy production and assembly, prevention of beating phenomenon, and reasonable and simple structure

Inactive Publication Date: 2009-02-04
NINGBO GREAT WALL PRECISION INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many braking structures are suitable for the long ruler of the box structure, but cannot be applied to the long ruler of the frame structure, resulting in no suitable braking structure for the long ruler of the frame structure, which affects people's normal use

Method used

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  • Structure of long ruler push-button
  • Structure of long ruler push-button
  • Structure of long ruler push-button

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] As shown in the figure, the numbers in the figure are, 1. Ruler shell, 2. Button, 3. Button small spring, 4. Connecting rod, 5. Compression spring, 6. Pawl, 7. Ratchet disc, 9. Groove, 10 guide slots, 11 guide ribs, 12 fixed pawl pins, 13 ratchet fixed columns, 14 torsion springs.

[0016] A long ruler button structure, a button hole is formed on the handle part of the ruler shell 1 of the stand type long ruler, a button 2 is arranged in the button hole, a groove 9 is formed in the support part of the ruler shell 1, and a small button spring 3 One end is fixed in the groove 9, and the other end is sleeved on the connecting column of the button, so that a small spring 3 is supported between the bottom of the button 2 and the supporting part in the chi shell. A guide groove 10 and a guide rib 11 are formed in the ruler housing 1, and the...

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Abstract

The present invention relates to a caliper button structure, which comprises a button and a caliper shell, and is characterized in that a button hole is formed on the handle part of the caliper shell, and a button is arranged inside the button hole; a small spring is arranged between the button and a supporting part inside the caliper shell; a connection rod is directly or indirectly connected with the button; the connection rod is provided with a compression spring; one end of the compression spring is supported on a fixed part of the caliper shell, and the other end is engaged with a pallet in contradiction way that controls the rotation action of a ratchet wheel disc; the pallet is fixed inside the caliper shell through a pin, and a torsion spring is arranged between the pallet and the caliper shell. The button structure is applicable to the caliper with a frame-typed structure, and has reasonable and simple structure, and is easy to be produced and assembled.

Description

technical field [0001] The invention relates to a long button structure. Background technique [0002] There are roughly two types of ordinary tape measures that can be seen on the market today. The tape is recovered by spring force. The spring and the core are mounted on the same axis. After the tape is pulled out by hand, the spring contracts to gather energy. After the tape is released by hand, it is recovered by elastic force. Tape, but the tape of this kind of tape generally does not exceed 10M. When the measuring tape is relatively long, once it exceeds 10M, it will be wound on the core of the measuring tape, which will cause the measuring tape to be relatively large in size, which is not easy to hold and use, and if the elastic force of the spring is too large, it is easy to cause the measuring tape to cut people's hands, and the elasticity is not enough. It is easy to cause the ruler tape to not be wound back on the ruler core smoothly, so further improvement is nee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B3/10
Inventor 黄忠华李建
Owner NINGBO GREAT WALL PRECISION INDAL
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