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Chain unit with improved structure

A technology for improving structure and chain, applied in the field of machinery, can solve the problem of increasing the weight of the chain, and achieve the effect of reducing the weight of the chain, increasing the convenience and reducing the weight.

Inactive Publication Date: 2017-05-31
TIANJIN QIANGLI CHAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is still a problem with this chain: because the pin shaft is solid, and in the actual product, the pin shaft is made of steel material to make it have greater hardness, resulting in an increase in the weight of the entire chain

Method used

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  • Chain unit with improved structure
  • Chain unit with improved structure

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Experimental program
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Effect test

Embodiment 1

[0024] as shown in the picture 1 As shown, the chain unit of this improved structure consists of an inner chain plate 1 , outer chain plate 2 , pin 3 ,link 4 , positioning mechanism, roller 5 and so on. Among them, the inner chain plate 1 and outer chain plate 2 Both have two pieces, two inner chain plates 1 Facing setup, two outer chain plates 2 It is also set directly opposite, and the two inner chain plates 1 Located on two outer chain plates 2 between.

[0025] pin 3 It is hollow cylindrical, and the pin shaft 3 Vertically installed on the two inner chain plates 1 between. as shown in the picture 1 and diagram 2 shown, pin 3 There are cylindrically protruding connecting parts on both ends of the 3a , and in this embodiment, the two connecting parts 3a and pin 3 Both are one-piece structure. link 4 There are two and two connecting rods 4 All are solid round rods. two connecting rods 4 respectively ...

Embodiment 2

[0030] The structure and principle of the second embodiment are basically the same as that of the first embodiment, the difference is that the connecting rod 4 There is a ring groove on the side wall of the outer end, and the positioning mechanism includes a connecting part 3a end face, outer chain plate 2 The extruding part protruding in a cylindrical shape on the inner wall and the retaining ring arranged in the retaining ring groove, the extruding part is set on the connecting rod 4 on, and the inner chain plate 1 The inner and outer walls of the 3a The end face and the extruded part are against each other, and the circlip and the outer chain plate 2 against the outer wall.

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Abstract

The invention provides a chain unit with an improved structure, and belongs to the technical field of machinery. The problem that the existing chain is heavy is solved. The chain unit with the improved structure comprises two inner chain plates and two outer chain plates, wherein the two inner chain plates are located between the two outer chain plates, and a pin is arranged between the two inner chain plates, and is in hollow cylindrical shape; both end surfaces of the pin are provided with cylindrical projecting junctions; solid cylindrical connecting rods are inserted into the two junctions respectively, and fixed to the junctions in the close fit form; the inner chain plates are provided with through holes I along the axial direction of the junctions in a run-through manner, and the outer chain plates are provided with through holes II along the axial direction of the junctions in a run-through manner, and the outer ends of the connecting rods extend out of the junctions and pass through the corresponding through holes I and through holes II in turn; the chain unit also comprises locating mechanisms able to simultaneously limit the axial sliding of the inner chain plates and the outer chain plates connected to the same connecting rod along the junctions, and two locating mechanisms are provided and correspond to the connecting rods one by one. The chain unit with the improved structure has the advantage of light weight.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a chain, in particular to a chain unit with an improved structure. Background technique [0002] The chain is a very common transmission part. The existing chain is basically connected in series by chain units one by one. The existing chain unit is a kind of wear-resistant solid chain disclosed in the Chinese patent library. [ Application Number: 201520446735.7 ; Authorization announcement number: CN 204755744 U] , including an inner chain plate, an outer chain plate, a pin shaft and a sleeve, the inner chain plate and the outer chain plate are hinged on the pin shaft, the pin shaft is covered with a sleeve, and the distance between the pin shaft and the sleeve is set to be fit or interference fit , Both ends of the pin shaft are provided with shaft heads, the outer chain plate is arranged on the shaft head, and a shaft shoulder I is arranged on the pin shaft betwee...

Claims

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Application Information

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IPC IPC(8): F16G13/06F16G15/12
CPCF16G13/06F16G15/12
Inventor 梁海兵张艳凤
Owner TIANJIN QIANGLI CHAIN
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