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An assembled linear leaf spring for a refrigeration compressor

A refrigeration compressor and assembled technology, which is applied in the direction of springs, springs/shock absorbers, low internal friction springs, etc., can solve problems such as large concentrated stress, complex design and expression of closed end lines, and difficult machining. Achieve the effect of small local stress, uniform stress distribution, and meet the requirements of linear stiffness load

Active Publication Date: 2021-04-06
LIAONING TECHNICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent No. CN108167359A discloses an Archimedes helical leaf spring, the end of the vortex groove is closed by two circular arcs with different bending directions and tangent to the outer shape of the vortex groove respectively. And the inner molded line, the design and expression of the closed end molded line are complicated, the machining is difficult, and the concentrated stress is too large

Method used

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  • An assembled linear leaf spring for a refrigeration compressor
  • An assembled linear leaf spring for a refrigeration compressor
  • An assembled linear leaf spring for a refrigeration compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] like Figure 1 to Figure 9 As shown, the leaf spring in this example includes two axially symmetrical cylindrical spring arms 3 with the same structure, outer fixing washers 1, 2 and inner fixing washers 4, 5.

[0054] like image 3 As shown, the inner fixed washers 4, 5 include a centrally located shaft hole 10, two evenly distributed fixing holes 8, and two evenly distributed spring arm mounting grooves 9; the fixed holes 8 of the inner fixed washers 4, 5 The center of circle is on the intermediate circle between the inner and outer circles of the inner fixed washers 4 and 5; the spring arm mounting groove 9 of the inner fixed washers 4 and 5 includes a first end fixed pin 31 to cooperate with the cylindrical spring arm 3 The first fixed pin slot and the first fixed arm slot matched with the first straight arm 32 of the cylindrical spring arm 3, the connection between the first fixed pin slot and the first fixed arm slot adopts a circular arc transition , the tail e...

Embodiment 2

[0061] like Figure 10 to Figure 16 As shown, the leaf spring in this example includes three axially symmetrical cylindrical spring arms 30 with the same structure, outer fixing washers 10 , 20 and inner fixing washers 40 , 50 .

[0062] like Figure 12 As shown, the inner fixing washers 40, 50 include a shaft hole 100 at the center, three evenly distributed fixing holes 80, and three evenly distributed spring arm mounting grooves 90; the fixing holes 80 of the inner fixing washers 40, 50 The center of the circle is on the middle circle between the inner and outer circles of the inner fixed washers 40, 50; The first fixed pin slot and the first fixed arm slot matched with the first straight arm 302 of the cylindrical spring arm 30, the connection between the first fixed pin slot and the first fixed arm slot adopts a circular arc transition, the second A tail end of the fixed arm groove adopts a circular arc transition.

[0063] The inner fixing washers 40 and 50 of this emb...

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Abstract

The invention provides an assembled linear leaf spring for a refrigeration compressor, comprising an outer fixed washer for installation and positioning, an inner fixed washer, and at least two cylindrical spring arms with the same structure; the center of the inner fixed washer is provided with a In the shaft hole on the piston shaft of the refrigeration compressor, there are not less than two first spring arm installation grooves evenly distributed on the periphery of the inner fixed washer for installing one end of the cylindrical spring arm; The base of the refrigeration compressor is fixed to the installation hole, and the periphery of the outer fixed washer is provided with no less than two second spring arm installation grooves evenly distributed for installing the other end of the cylindrical spring arm. The assembled linear leaf spring for refrigeration compressors of the present invention is applied in refrigeration compressors, and can be freely disassembled. The characteristic curve of the force-deformation of the spring is linear, which meets the linear force requirements of the axial direction of the piston shaft of the linear compressor. The arm can effectively disperse the stress, have a longer service life, and improve the overall reliability of the compressor.

Description

technical field [0001] The invention relates to the technical field of springs, in particular to a linear leaf spring, in particular to an assembled linear leaf spring for a refrigeration compressor. Background technique [0002] The linear compressor is a kind of reciprocating piston compressor, and the support technology of the leaf spring is the key technology of the linear compressor. The linear motor drives the piston to make a reciprocating linear motion in the cylinder. The leaf spring is connected to the piston through the piston shaft. As the elastic part of the array system, it supports the piston and the electronic mover assembly. The leaf spring is required to have sufficient axial stiffness and stroke to ensure that the piston axial reciprocating motion. Compared with the traditional cylindrical spring, the leaf spring has a larger radial stiffness, which can ensure that the piston will not deviate from the equilibrium position due to vibration to produce radia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F3/02
CPCF16F3/02F16F2230/0035
Inventor 陈洪月张站立周加明赵志群范世涛沈达赵思睿
Owner LIAONING TECHNICAL UNIVERSITY
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