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Variable-position chuck sleeve

A chuck and variable technology, applied in the direction of wrenches, screwdrivers, manufacturing tools, etc., can solve the problems of inconvenient, not easy to carry, easy to lose the sleeve components, install and replace, etc., and achieve the effect of convenient adjustment

Inactive Publication Date: 2016-04-06
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing hexagonal bolt sleeves, which are large in mass, large in size, not easy to carry, easy to lose the sleeve assembly and inconvenient to install and replace, the present invention provides a variable displacement chuck sleeve, the variable displacement chuck sleeve The cylinder is not only suitable for inner and outer hexagonal bolts, but also can be easily adjusted in size to suit different specifications of inner and outer hexagonal bolts

Method used

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Embodiment Construction

[0023] exist figure 1 Among them, the three claws 1 are respectively installed in the three claw grooves 22 of the chuck 2, and the angle between the two isosceles triangles of the cross-section of the claw head 13 on the claw 1 faces the outside of the chuck 2, and the claws The boss 12 on the side of 1 matches the groove 21 on the side of the claw groove 22 (that is, the boss 12 on the side of the claw 1 is located in the groove 21 on the side of the claw groove 22), so that the claw 1 can only move along the chuck 2 radially slides, the claw teeth 11 of the claw 1 expose the large end face of the chuck 2 ( image 3 upper large end surface), the upper end of the coil wire 4 ( Figure 5 or Figure 4 inverted) along the small shaft end of chuck 2 ( image 3 upper small end surface) so that the flat thread on the end surface of the coil wire 4 meshes with the claw teeth 11 on the end surface of the claw 1, the rotation of the coil wire 4 forces the three claws 1 to slide in ...

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Abstract

The invention discloses a variable-position chuck sleeve and relates to a bolt sleeve, aiming at overcoming the defects of the existing hexagon bolt sleeves that the weight is large, the size is large and the carrying is uneasy. According to the technical scheme, the variable-position chuck sleeve comprises a chuck, a wire coiling, an adjusting knob and a handle which are connected in sequence; each jaw is arranged in 2-6 jaw slots of the chuck, the end face thread of the wire coiling is meshed with jaw teeth on the end face of the jaw, the end face thread of the wire coiling is equidistance involute thread and meets equal progression property and equal distance property, the shape of the jaw teeth is the same as the tooth slot shape of the end face thread of the wire coiling, the jaw teeth can slide in the tooth slot of the end face thread of the wire coiling, the wire coiling rotates to drive the jaw to move along the radial direction of the chuck, the other end of the wire coiling is meshed with the adjusting knob, and the wire coiling rotates together with the adjusting knob to drive the jaw to move along the radial direction of the chuck; and the small shaft end of the handle penetrates through the centers holes of the adjusting knob and the wire coiling to be meshed with the small shaft end of the chuck, and the handle rotates together with the chuck. The sleeve has the beneficial effects of being applicable to outside and inside hexagonal bolts, and convenient and labor-saving in adjustment.

Description

technical field [0001] The invention relates to a bolt sleeve. The inner and outer hexagonal bolt sleeves are described in detail in the design, which is suitable for inner and outer hexagonal bolts of different specifications. Background technique [0002] At present, the known hexagonal bolt sleeve has a single function, and there is a one-to-one relationship between the sleeve and the bolt, and one kind of sleeve cannot be used for both inner and outer hexagonal bolts. For ease of use, people usually use sleeve sets, which are not only heavy in quality, bulky, and difficult to carry, but also the sleeve components are scattered and easy to lose, and installation and replacement are also troublesome. Contents of the invention [0003] In order to overcome the shortcomings of the existing hexagonal bolt sleeves, which are large in mass, large in size, not easy to carry, easy to lose the sleeve assembly and inconvenient to install and replace, the present invention provide...

Claims

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Application Information

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IPC IPC(8): B25B23/00B25B13/12
CPCB25B23/00B25B13/12
Inventor 刘青正李忠虎胡再国
Owner SICHUAN UNIV
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