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Quick disassembly and assembly type fastener

A technology of fasteners and fastening parts, applied in the direction of connecting components, pins, washers, etc., can solve the problems of large disassembly and assembly space, time-consuming and laborious connection, and the need to remake fasteners, so as to shorten the construction period and reduce the The effect of construction works

Pending Publication Date: 2019-03-01
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a fast disassembly and assembly fastener, which can effectively solve the problems of time-consuming and labor-intensive connection of existing bolt fasteners, large space for disassembly and assembly, and remanufacturing of fasteners during repair.

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  • Quick disassembly and assembly type fastener
  • Quick disassembly and assembly type fastener
  • Quick disassembly and assembly type fastener

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] This embodiment provides a fast dismountable fastener that can be used in a narrow space, and the part to be fastened is the connecting flange 5 .

[0022] Such as figure 1 As shown, the fastener includes a tapered stud 1 , a nut 2 , a stop washer 3 and a split taper sleeve assembly 4 .

[0023] Such as figure 2 As shown, one end of the tapered stud 1 is processed with an external thread (as a threaded connection section), and the outer peripheral surface of the other end is a conical surface (ie, a tapered section), and the small end of the conical surface is connected to the end processed with an external thread. .

[0024] Such as image 3 As shown, the outer circumference of the stop washer 3 is processed with external threads, and its thread specifications are the same as the internal thread specifications of the inner circumf...

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PUM

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Abstract

The invention discloses a quick disassembly and assembly type fastener. The quick disassembly and assembly type fastener effectively solves the problems that an existing bolt fastener is time-consuming and labor-consuming in connection, needs large disassembly and assembly space, and needs to be remanufactured in the repair process. The quick disassembly and assembly type fastener specifically comprises a conical stud bolt, a nut, a stop washer and a split taper sleeve assembly; the conical stud bolt comprises a threaded section with a machined external thread and a conical section with the small end connected with the threaded section; the split taper sleeve assembly comprises two or more arc-shaped split taper sleeves. When the quick disassembly and assembly type fastener is used, the conical section of the conical stud bolt is located in a central hole of a to-be-fastened component, two or more arc-shaped split taper sleeves are arranged in the annular space between the conical studand the central hole of the to-be-fastened component in a sleeved mode, an annular structure is formed in the circumferential direction, a gap is formed between every two adjacent split taper sleeves, and gaps are formed between the split taper sleeves and the central hole of the to-be-fastened component; the conical stud bolt moves in the axial direction under the action of the nut torque, so that the split taper sleeve assembly is expanded in the radial direction, and is tightly attached to a connecting bolt hole so as to play a role in connecting and fastening.

Description

technical field [0001] The invention relates to a fastener, in particular to a fast disassembly fastener. Background technique [0002] Tight fit bolts are often used for the fixed installation of large mechanical equipment or the connection of transmission devices. The usual fastening methods are: traditional hinged bolts and hydraulic bolts. For the narrow installation and operation space, these two methods cannot be effectively fastened. It mainly has the following problems: [0003] 1) The traditional twisted bolts are precisely processed according to the twisted size of the corresponding connecting hole, and the matching method is generally a transition fit, resulting in high requirements for the dimensional accuracy of the reamed hole, high requirements for stud processing, complicated installation process, and time-consuming and laborious installation. [0004] 2) The composition of hydraulic bolts generally includes: studs, sleeves, nuts and auxiliary installation e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B13/06F16B43/00
CPCF16B13/04F16B43/00F16B13/10
Inventor 王刚伟疏舒王娟王隽喻家鹏田佳彬
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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