Shock-absorbing device of rolling washing machine

A technology of a drum washing machine and a shock absorption device, which is applied in the field of washing machines, can solve the problems of reducing the service life, increasing the failure coefficient of the tension spring, and the loud noise of the inner cylinder.

Active Publication Date: 2011-10-12
QINGDAO HAIER DRUM WASHING MACHINE
View PDF8 Cites 20 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above-mentioned shock absorption method, since the tension spring and the damping support rod are continuously stressed, and the magnitude of the gravity changes from time to time with the amount of clothes and different washing procedures, the amplitude of the shaking of the outer cylinder is also different each time. Working in this state will lead to a certain degree of deformation of the tension spring and damping support rod, which reduces the service life and affects the shock absorption effect of the washing machine
In addition, the extension spring and the damping support rod are point-connected to the outer cylinder. The shock absorption principle is to expand and contract the movement stroke of the outer cylinder with the change of the centrifugal force of the outer cylinder. When the centrifugal force of the outer cylinder is greater than the limit of the extension spring or the damping support rod, There will be a collision between the outer cylinder and the box. During work, the shock absorption of the drum washing machine mainly occurs during the dehydration process. The amount of clothes and washing water in the inner cylinder will affect the size of the centrifugal force. When the inner cylinder is dehydrated, the clothes will The water in the bucket is a process of gradually decreasing. If the clothes in the inner bucket are not balanced at the begin

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Shock-absorbing device of rolling washing machine
  • Shock-absorbing device of rolling washing machine
  • Shock-absorbing device of rolling washing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , 2, 3, the scheme is provided with a front counterweight 4 at the opening end of the outer cylinder 1, and the front counterweight adopts a ring-shaped integrated structure, and its inner diameter is consistent with the inner diameter of the opening end of the outer cylinder. Set up a snap-fit ​​structure that is in contact with the open end of the outer cylinder to facilitate the installation and alignment of the front counterweight, and prevent the radial movement of the front counterweight after it is fixed relative to the outer cylinder. The snap-fit ​​structure includes the front counterweight The protruding cylinder 42 on the weight is in the corresponding groove on the installation surface of the outer cylinder. When installing, insert the cylinder on the front counterweight into the groove on the open end face of the outer cylinder, and then glue the front counterweight It is fixed on the open end of the outer cylinder by connecting, bolting, ...

Embodiment 2

[0030] Such as figure 1 , 3 As shown, the rear counterweight 7 is added at the bottom of the outer cylinder of the drum washing machine. The specific size and shape of the rear counterweight need to consider factors such as the washing capacity of the drum washing machine, the self-weight of the outer cylinder, and the weight of the front counterweight. The rear counterweight includes a ring-shaped counterweight and a U-shaped counterweight. This plan adopts a U-shaped counterweight, which is installed on the outer bottom of the outer cylinder by means of snap-fitting, bolts, and bonding, and is set on the edge of the rear counterweight. There is a fixed block 71 for engaging or clamping the bottom of the outer cylinder. Similarly, the rear counterweight can also adopt the same engaging structure as the front counterweight, that is, the rear counterweight is fixed after being inserted into the bottom of the outer cylinder in a manner corresponding to the convex groove. After...

Embodiment 3

[0032] Such as figure 1 , 2 As shown, on the basis of the foregoing embodiments, a front counterweight 4 and a rear counterweight 7 are respectively installed at the front and rear ends of the outer cylinder of the drum washing machine at the same time. This installation method can adjust the distribution of the center of gravity of the outer cylinder, which is beneficial to each The shock absorption of the damping support rod 3 and the extension spring 2 can prevent the damping support rod and the extension spring at a certain end or somewhere from being subjected to a large centrifugal force for a long time, thereby causing premature damage. Such as Image 6 As shown, the front counterweight 4 and the rear counterweight 7 are fixed together by metal tie rods 8, as image 3 , 4 As shown, the front counterweight 4 and the rear counterweight 5 are provided with fixed tables 41 and 71 protruding from the diameter of the outer cylinder, and the fixed tables are provided with i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a shock-absorbing device of a rolling washing machine, and relates to the field of washing machines. The shock-absorbing device comprises a shell, an outer cylinder, a tension spring connected above the outer cylinder and a damping support rod installed below the outer cylinder; an opening end and a bottom end of the outer cylinder are respectively provided with a front weight balancing block and a rear weight balancing block; and the shock-absorbing device is characterized in that: two pressure springs are installed below the outer cylinder and are respectively installed at the two sides of the bottom axis of the outer cylinder. In the scheme, the pressure springs are installed at the two sides of the bottom axis of the outer cylinder and used for respectively bearing the weight of the outer cylinder and the weight of the weight balancing blocks, the gravity applied to the damping support rod and the tension spring can be reduced, the demand intensity of the tension spring and the damping support rod can be reduced, and the service life of the damping support rod and the tension spring are prolonged. Moreover, the vibration and the noise of the whole rolling washing machine are controlled within certain ranges so as to achieve the purposes of reducing the vibration and eliminating the noise.

Description

technical field [0001] The invention relates to the field of washing machines, in particular to a shock-absorbing device for reducing the load of a tension spring and reducing the noise of a drum washing machine by supporting an outer cylinder with a compression spring. Background technique [0002] In the field of washing machines, the working method of the drum washing machine is different from that of the pulsator washing machine. The inner cylinder of the pulsator washing machine rotates left and right around the vertical axis to wash clothes, while the inner cylinder of the drum washing machine rotates left and right around the horizontal axis. Clothes and different rotation directions make the installation methods and shock absorption methods of the two outer cylinders also different. In terms of shock absorption, the outer cylinder of the drum washing machine is mostly hung in the air and placed in the box. The adopted scheme is: use two to four tension springs to han...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): D06F37/20D06F37/26
Inventor 吕佩师李文伟张纯锋刘冰姚宇洲
Owner QINGDAO HAIER DRUM WASHING MACHINE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap