Positioning shaft with improved structure
An improved structure and positioning shaft technology, applied in the direction of connecting components, engine lubrication, bolts, etc., can solve the problems of potential safety hazards, troublesome installation, and prone to safety accidents, etc., and achieve simple assembly, avoid difficult disassembly, and convenient use Effect
Inactive Publication Date: 2019-06-04
宁波市鄞州昊初机械制造有限公司
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Problems solved by technology
[0002] The positioning shaft is a commonly used positioning tool in mechanical processing. It is widely used in mechanical processing. Ordinary positioning shafts are generally installed on equipment components by inserting, and then fixed by corresponding fasteners such as nuts or clamps. It is fastened on the equipment components, which is not only troublesome to install, but also the installation workers tend to forget to install nuts or clamps for the positioning shaft during heavy installation operations, which poses potential safety hazards and is prone to safety accidents
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[0008] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0009] Such as figure 1 As shown, the positioning shaft of the improved structure includes a head 1 and a shank 2 that are connected as one. The outer diameter of the head 1 is greater than the outer diameter of the shank 2. There are symmetrically arranged counterbores 21, and the two counterbores 21 are connected through the through holes 22 and the apertures of the through holes 22 are smaller than the apertures of the counterbore 21, and the spring 4 and the spring 4 are fixedly connected in the through holes 22. The locking block 3 at the end, the locking block 3 is composed of a connecting part 31 and a locking part 32 connected together, the connecting part 31 is inserted in the through hole 22, the outer diameter o...
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The invention provides a positioning shaft with an improved structure, and belongs to the technical field of machinery. The positioning shaft with the improved structure solves the problems that an existing positioning shaft needs other fastening accessories during use, and the assembly is not inconvenient. The positioning shaft with the improved structure comprises a head part and a handle part,and two counter bores are formed in the outer side wall of the handle part. The two counter bores communicate through a through hole, and a spring and locking blocks fixedly connected to both ends ofthe spring are installed in the through hole. Each locking block is composed of a connecting part and a locking part, the connecting parts are inserted in the through hole, the outer diameter of the locking parts is larger than the hole diameter of the through hole, and parts of the locking parts are located in the counter bores and gaps are formed between the parts of the locking parts and the bottoms of the counter bores. The other part of each locking part protrudes out of the corresponding counter bore and lead-in surfaces are arranged at the position, on the side walls of the locking parts, of the parts. When the locking parts are under stress, the locking parts can be completely retracted into the counter bores. An oil hole is formed in the handle part, and oil grooves are formed inthe side wall of the handle part and the oil grooves communicate with the oil hole through oil passages. The positioning shaft has the advantages of simple structure and high practicability.
Description
technical field [0001] The invention belongs to the technical field of machinery, in particular to a positioning shaft with an improved structure. Background technique [0002] The positioning shaft is a commonly used positioning tool in mechanical processing. It is widely used in mechanical processing. Ordinary positioning shafts are generally installed on equipment components by inserting, and then fixed by corresponding fasteners such as nuts or clamps. It is fastened on the equipment components, which is not only troublesome to install, but also the installation workers tend to forget to install nuts or clamps to the positioning shaft during heavy installation work, thus posing potential safety hazards and prone to safety accidents. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned problems in the existing technology, and propose a positioning shaft with an improved structure with simple structure and strong practica...
Claims
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IPC IPC(8): F16B19/02F16B21/16F16N1/00
Inventor 杨华英
Owner 宁波市鄞州昊初机械制造有限公司