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Combination wrench for external hexagonal bolts and nuts

An external hexagon and bolt technology, which is applied in the field of combined wrenches, can solve problems such as wrench damage, and achieve the effects of fast operation, small storage space, and easy portability.

Inactive Publication Date: 2017-06-30
SHAANXI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a combination wrench for outer hexagonal bolts and nuts, which solves the problem that different specifications of outer hexagonal bolts and nuts need to use fixed wrenches of different specifications, or the use of adjustable wrenches is easy to cause the wrench to slip relative to the bolts and nuts And the problem of damage

Method used

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  • Combination wrench for external hexagonal bolts and nuts
  • Combination wrench for external hexagonal bolts and nuts
  • Combination wrench for external hexagonal bolts and nuts

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The present invention is a combination wrench for outer hexagonal bolts and nuts, such as figure 1 , figure 2 As shown, including the handle 5, one end of the handle 5 is a ring, the other end of the handle 5 is a stepped cylindrical section, the end of the cylindrical section is provided with knurling, the two sides of the ring of the handle 5 are planes, and the ring of the handle 5 The two sides are respectively fixed with a lower pressure ring 8 and an upper pressure ring 4 by screws, and the lower pressure ring 8 and the upper pressure ring 4 seal the toothed sleeve 1 in the ring of the handle 5, as image 3 , Figure 4 As shown, the toothed sleeve 1 is a circular structure with planes on both sides. The cross section of the inner wall of the toothed sleeve 1 is a regular hexagon. The outer wall of the toothed sleeve 1 is provi...

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Abstract

The invention discloses a combination wrench for outer hexagon bolts and nuts. The combination wrench comprises a handle, wherein a ring is arranged at one end of the handle, the two sides of the ring of the handle are planes and are fixedly provided with a lower press ring and an upper press ring through screws respectively, a toothed sleeve is sealed in the ring of the handle through the lower press ring and the upper press ring, a hexagonal cylinder set is arranged in the toothed sleeve, a shifting piece is installed on the toothed sleeve through a pin shaft and presses the hexagonal cylinder set, and a shift fork is installed on the handle at a position close to the ring. By the combination of multiple hexagonal cylinders, outer hexagon bolts and nuts in various specifications can be dismounted by means of one wrench, the advantages of non-adjustable wrenches are realized, and the number, size and weight of required wrenches are reduced greatly; furthermore, operation is quick and convenient, occupied space for storage is small, and carrying is convenient.

Description

technical field [0001] The invention belongs to the technical field of mechanical manufacturing tools, and in particular relates to a combined wrench for outer hexagonal bolts and nuts. Background technique [0002] Bolts, as a universal connection, are used in a large amount in machines. In the assembly, disassembly and daily maintenance and repair of the machine, the disassembly and installation of bolts and nuts account for a very large proportion of work. Since the specifications of the bolts and nuts used in a machine are not uniform, it is necessary to be equipped with a certain number of wrenches with various specifications. [0003] Existing wrenches are divided into two categories: movable wrench and fixed wrench, and fixed wrench is divided into fixed bayonet wrench and fixed socket wrench. Adjustable wrench can adapt to many specifications of bolts and nuts, and an adjustable wrench can operate bolts and nuts of various specifications, but because the bayonet of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B13/56
CPCB25B13/56
Inventor 侯红玲
Owner SHAANXI UNIV OF TECH
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