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A multifunctional mounting bolt

A multi-functional technology for installing bolts, applied in the direction of screws, threaded fasteners, connecting components, etc., can solve the problems of unfavorable installation, delay of maintenance time, unfavorable disassembly of maintenance personnel, etc., and achieve the effect of reasonable structure and reduced manufacturing cost

Inactive Publication Date: 2016-08-17
NINGBO GEELY ROYAL ENGINE COMPONENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two states of the bolt structure, which is not conducive to the installation of the engine assembly; when the engine needs maintenance, it is not conducive to the disassembly of the maintenance personnel and delays the maintenance time; on the production line of assembling the engine and gearbox, different types of bolts are required to tighten increase the cost of production equipment; there are two states of bolts with the same function, which is not conducive to the general management of engine parts

Method used

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  • A multifunctional mounting bolt
  • A multifunctional mounting bolt

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Experimental program
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Effect test

Embodiment 1

[0013] Embodiment 1: A kind of multifunctional installation bolt of the present invention, as attached figure 1 , attached figure 2 As shown, it includes a bolt head 3 and a threaded rod 1, and the bolt head 3 is a hexagonal columnar body. A support disc 2 is arranged at the bottom of the bolt head 3, and the support disc 2 is a cylinder.

[0014] The middle part of the bolt head is provided with a counterbore 4, and several protrusions 5 are uniformly distributed on the side wall of the counterbore 4, and the protrusions 5 are strip-shaped and arranged along the axial direction of the threaded rod 1; the cross-section of the protrusions 5 is conical, The top points to the axis of the threaded rod 1, and the roots of adjacent protrusions 5 meet to form an included angle. For adjacent protrusions 5 , the tapered surfaces 51 on the outside of both are located on the same plane.

[0015] The counterbore 4 passes through the bolt head 3 and extends into the threaded rod 1 , an...

Embodiment 2

[0016] Embodiment 2: The threaded rod 1 is provided with a guide hole along the axis. The guide hole is a triangular hole or a polygonal hole. The guide hole communicates with the bottom surface of the counterbore 4; hole, the other end protrudes from the counterbore 4, and the protruding end is provided with a columnar head. Features a hexagonal counterbore. All the other are with embodiment 1.

[0017] When the present invention is used, whether it is a manual gear or an automatic gear, bolts of the same specification are used, and the same method of installation and disassembly is adopted.

[0018] The invention has the following beneficial effects: it can add a variety of disassembly and assembly methods for parts (that is, it can meet the disassembly and assembly of inner angle wrenches and inner torx wrenches, and can also meet the disassembly and assembly of tools such as inner angle sleeves, open-end wrenches, and adjustable wrenches) for operation. While bringing co...

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Abstract

The invention relates to a multifunctional mounting bolt which comprises a bolt head and a threaded rod. The bolt head is a hexagonal cylinder, a countersink hole is formed in the middle of the bolt head, a plurality of protrusions are evenly distributed on the side wall of the countersink hole, and the protrusions are in a strip shape and are formed in the axial direction of the threaded rod. The sections of the protrusions are conical, the tops of the protrusions point to the axis of the threaded rod, the roots of the adjacent protrusions are connected, and included angles are formed. Multiple dismounting and mounting modes can be provided for parts, convenience is brought for the operation of operators, and meanwhile the manufacturing cost of automobiles is lowered.

Description

technical field [0001] The present invention relates to a bolt for automobiles, in particular to a multifunctional mounting bolt for engine power transmission parts. Background technique [0002] At present, cars can be divided into two modes according to the operation mode: manual transmission and automatic transmission (or manual and automatic). For inner corner bolts. The structure of the bolts has two states, which is not conducive to the installation of the engine during assembly; when the engine needs maintenance, it is not conducive to the disassembly of the maintenance personnel and delays the maintenance time; on the production line of assembling the engine and gearbox, different types of bolts are required to tighten increase the cost of production equipment; there are two states of bolts with the same function, which is not conducive to the general management of engine parts. Contents of the invention [0003] The main purpose of the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B35/04
Inventor 吴海峰吕繁田生虎孙艳陈杰王瑞平
Owner NINGBO GEELY ROYAL ENGINE COMPONENTS