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Novel screw fastening tool

A technology for fastening screws and tools, which is applied to screwdrivers, manufacturing tools, wrenches, etc., can solve the problems of balanced efficiency, low efficiency, and speed up the fastening efficiency of a single screw, so as to ensure the balance of force, the structure of the tool is simple, and the force uniform effect

Inactive Publication Date: 2020-12-22
SUZHOU VOCATIONAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional method is to tighten or loosen the screws one by one, which often cannot ensure that the force on each screw is balanced and inefficient
The electric wrench that appears on the market now only speeds up the fastening efficiency of a single screw, and cannot guarantee its balanced force.

Method used

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  • Novel screw fastening tool

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0016] A new fastening screw tool, such as figure 1 As shown, it includes a base 1, a spur gear 11 is installed on the base 1 through the shaft one, and the shaft 1 is located on both sides of the spur gear to be provided with a U-shaped rod 2. Rotation is connected with rod sleeve 21, and rod sleeve 21 is provided with spur gear two 22, and one side of rod sleeve 21 is also connected with shaft two 23, and shaft two 23 is provided with spur gear two 22, spur gear two 22 and spur gear one 11 Mesh with each other, the lower end of the shaft 23 is connected with the slide rail 3 through the bearing, the end of the slide rail 3 away from the shaft 2 23 is provided with the shaft 3 31, the slide rail 3 is provided with a cavity 32, the shaft 3 31 and the shaft 2 23 are located in the cavity The part in 32 is connected by sprocket wheel and chain 33 tr...

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Abstract

The invention discloses a novel screw fastening tool. The novel screw fastening tool comprises a base, wherein a straight gear I is mounted on the base through a shaft I; rods are arranged on the shaft I and positioned at the two sides of the straight gear I; the rods are rotatably connected with the shaft I; rod sleeves are rotatably connected on the rods; straight gears II are arranged on the rod sleeves; one side of each rod sleeve is further connected with a shaft II; straight gears II are arranged on the shafts II; the straight gears II are mutually engaged with the straight gear I; the lower ends of the shafts II are connected with slide rails through bearings; one end, away from the shaft II, of each slide rail is equipped with a shaft III; cavities are formed in the slide rails; parts, in the cavities, of the shafts III and the shafts II are in transmission connection through chain wheels and chains; the bottoms of the shafts II and the shafts III are connected with long rod sleeves; and inner hexagonal slots are formed in the bottoms of the long rod sleeves. The novel screw fastening tool can effectively guarantee stress balance of each screw while guaranteeing to improvescrew fastening efficiency.

Description

technical field [0001] The invention belongs to the field of bolt fastening tools, in particular to a novel fastening screw tool. Background technique [0002] Most mechanical products require a tight seal. In order to ensure that the force on each screw is balanced during the fastening operation, the order and strength of the screw tightening need to be carefully grasped, otherwise it will lead to poor sealing or uneven force on the end cap, which will affect the working performance of the entire product. Such as the fastening and sealing operation of automobile engine end covers and various pressure-tight containers. [0003] The traditional method is to tighten or loosen the screws one by one, which often cannot ensure that the force on each screw is balanced and is inefficient. The electric wrench that appears on the market now only speeds up the fastening efficiency of a single screw, and cannot guarantee its balanced force. [0004] The invention relates to a new ty...

Claims

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Application Information

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IPC IPC(8): B25B17/00
CPCB25B17/00
Inventor 郭彩芬董志万长东
Owner SUZHOU VOCATIONAL UNIV
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