Integrated damping frame system for multi-barrel washing machine

By designing an integrated shock absorbing frame system for multi-bucket washing machines, the combined structure of base, column and support plate is used to solve the problems of insufficient strength of the multi-bucket washing machine frame and the shaking of the washing bucket, achieving higher stability and safety.

CN119465577APending Publication Date: 2025-02-18NANJING CHUANGWEI HOUSEHOLD ELECTRONICS APPLIANCES LTD
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Patent Information

Application Number
CN202411702879.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

When multi-bucket washing machines are running alone or simultaneously, insufficient frame strength and shaking and safe distance between washing buckets lead to safety hazards and unstable use.

Method used

An integrated shock absorbing frame system is designed to form a frame cavity through a combined structure of base, column, support plate and shock absorber. The lower barrel assembly is used as a counterweight to reduce the assembly weight of the upper barrel assembly and improve the stability of the entire machine.

Benefits of technology

The stability and safety of multi-bucket washing machines are achieved, the gaps during mutual shaking are reduced, the strength of the upper and lower barrels are increased at the same time, and the weight and cost of the whole machine are reduced.

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Abstract

The invention provides an integrated damping frame system for a multi-barrel washing machine, which comprises a base, and each end of the base forms a frame structure through a stand column; wherein a lower barrel assembly is arranged in the formed inner cavity of the frame; an upper barrel assembly is arranged above the lower barrel assembly; wherein the upper barrel assembly is composed of two small barrels which are arranged on the left side and the right side and connected; wherein the upper barrel assembly is connected with the frame structure through the second connecting structure; the lower barrel assembly comprises a large barrel and is connected with the frame structure through a first connecting structure. The size of the upper barrel is small, the center of the barrel is located on the front half portion of the frame, the lower barrel of the integrated frame can play a role in balancing weight for the upper barrel, the upper barrel assembly does not need to be provided with a balancing weight or the weight of the balancing weight is small, the weight of the whole machine is reduced, and stability is improved.
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Description

Technical Field

[0001] The present invention relates to the field of household appliance washing machines, and in particular to an integrated shock-absorbing frame system for a multi-tub washing machine. Background Art

[0002] With socioeconomic development and improved living standards, people's hygiene awareness has gradually increased, and they are paying more attention to their health. Sorting clothes for washing has become a trend, and the market for multi-tub washing machines is growing. Integrated multi-tub washing machines are more popular with users due to their attractive appearance. However, considering the frame strength of multi-tub washing machines operating individually or simultaneously, as well as the safe distance between the washing tubs when shaking, a one-piece multi-tub frame and its shock absorption system were designed. Summary of the Invention

[0003] To solve the above problems, the present invention discloses an integrated shock-absorbing frame system for a multi-barrel washing machine. The upper barrel is small in size, and the center of the barrel is located in the front half of the frame. The lower barrel of the integrated frame can act as a counterweight for the upper barrel. The upper barrel assembly does not need to be equipped with weight blocks or the weight of the counterweight blocks can be reduced, thereby reducing the weight and cost of the entire machine and improving stability.

[0004] An integrated frame assembly for a multi-barrel washing machine includes a base, wherein each end of the base forms a frame structure through columns; a lower barrel assembly is provided in the inner cavity of the frame; an upper barrel assembly is provided above the lower barrel assembly; wherein the upper barrel assembly is composed of two small barrels connected to the left and right; wherein the upper barrel assembly is connected to the frame structure through a second connecting structure; and the lower barrel assembly includes a large barrel, and the lower barrel assembly is connected to the frame structure through a first connecting structure.

[0005] Furthermore, the middle part between the two upright posts on the left is connected to the left middle support plate and the top is connected to the left upper support plate; the middle part between the two upright posts on the right is connected to the right middle support plate and the top is connected to the right upper support plate; the front ends of the upper left support plate and the upper right support plate are connected to the front upper cross beam and the rear ends are connected to the rear upper cross beam; the rear middle cross beam is provided below the rear upper cross beam; and the lower sheet metal is provided below the front upper cross beam.

[0006] Furthermore, the two ends of the front upper cross beam are respectively fixed to the left upper support plate and the right upper support plate by screws.

[0007] Furthermore, upper crossbeam positioning holes are provided at both the left and right ends of the rear upper crossbeam; a plurality of upper crossbeam rivet holes are provided below each of the upper crossbeam positioning holes; and the rear upper crossbeam is riveted and fixed to the column.

[0008] Furthermore, the left and right ends of the rear middle cross beam are both provided with a second pre-fixed structure, wherein the two second pre-fixed structures are hung on the left and right columns respectively, wherein the left and right ends of the rear middle cross beam are fastened to the columns by screws. The second pre-fixed structure is a second positioning plug; wherein the second positioning plug is engaged with the second positioning hole provided on the column and adapted thereto. Furthermore, a third pre-fixing structure is provided at the left and right ends of the lower sheet metal; wherein the two third pre-fixing structures are respectively hung on the left and right ends of the pillars, wherein the left and right ends of the lower sheet metal are fastened to the pillars by screws; wherein the third pre-fixing structure is a third positioning block; wherein the third block is engaged in a third positioning hole provided on the pillar and adapted thereto.

[0009] Furthermore, the first connecting structure includes a first suspension spring and a first shock absorber; wherein the left and right ends of the upper part of the lower barrel assembly are respectively connected to the left middle support plate and the right middle support plate through the first suspension spring; the left and right ends of the bottom of the lower barrel assembly are respectively connected and fixed to the base shock absorber bracket through the first shock absorber; wherein the base shock absorber bracket is installed on the left and right ends of the bottom of the base; wherein the second connecting structure includes a second suspension spring and a second shock absorber; wherein the left and right sides of the lower part of the upper barrel assembly are fixed to the left middle support plate and the right middle support plate through the second shock absorber, and the left and right sides of the upper part of the upper barrel assembly are fixed to the left upper support plate and the right upper support plate through the second suspension spring, and the upper barrel assembly can be placed in the frame structure from top to bottom.

[0010] Furthermore, the plate surfaces of the left middle support plate and the right middle support plate are provided with an upper barrel shock absorber bracket fixing installation structure and a lower barrel suspension spring holder installation structure; wherein the two ends of the left middle support plate and the right middle support plate are provided with a middle support plate positioning hole and a middle support plate rivet hole; the upper right support plate and the upper left support plate panels are both provided with an upper suspension spring holder fixing structure; the left and right ends of the upper right support plate and the upper left support plate are both provided with upper support plate rivet holes and the bottom is symmetrically provided with upper support plate positioning holes; wherein the first suspension spring is connected and fixed to the lower barrel suspension spring holder installation structure; the second suspension spring is connected to the upper spring holder fixing structure, and the second shock absorber is connected and fixed to the upper barrel shock absorber bracket fixing installation structure.

[0011] The supporting structure at the bottom of the upper barrel assembly and the hanging structure at the top of the lower barrel assembly are on the same sheet metal, which can improve the strength of the upper and lower barrels working simultaneously.

[0012] Furthermore, the two upper barrels arranged on the left and right are rigidly connected, and the left and right barrels are rigidly connected together, thereby reducing the gap left when rocking against each other.

[0013] Furthermore, the connection between the base and the column is positioned through the column positioning holes, and then riveted by riveting equipment, with three rivets on each of the two sides of the column.

[0014] Furthermore, the safety gap between the upper barrel assembly and the lower barrel assembly is greater than 40 mm. If it is less than 40 mm, the upper and lower barrel assemblies may collide with each other when running at the same time, causing safety hazards.

[0015] Furthermore, the distance between the two uprights located on the left and right sides of the front end is greater than the width of the lower barrel assembly, which facilitates the lower barrel assembly to be delivered from the front end into the support frame for installation, and the distance between the upper left support plate and the upper right support plate is greater than the width of the upper barrel assembly, which facilitates the upper barrel assembly to be delivered from the top into the frame assembly for installation.

[0016] Beneficial effects of the present invention: 1. The base, columns, left and right middle beams, left and right upper support plates, and rear upper beam are all fixed by riveting to ensure strength. The front lower sheet metal, front upper beam, and rear middle beam are fixed with screws to facilitate production operations. 2. There is no shock-absorbing or hanging spring structure in the middle of the upper barrel assembly. It is only fixed on both sides, saving installation time.

[0017] 3. The supporting structure at the bottom of the upper barrel assembly and the suspension structure at the top of the lower barrel assembly are on the same sheet metal, which can improve the strength of the upper and lower barrels working simultaneously.

[0018] 5. The upper barrel assembly is a multi-barrel structure. The left and right upper barrels are rigidly connected to reduce the gap required when they shake against each other.

[0019] 6. There is no shock-absorbing or hanging spring structure in the middle of the upper barrel assembly. It is only fixed on both sides. This forms a triangle with the shock-absorbing mounting holes on both sides of the frame, which can improve stability.

[0020] 7. The upper barrel is small in size, and the center of the barrel is located in the front half of the frame. The relative position of the upper barrel is at the front end of the entire machine, which will improve the physical sense and make it easier for users to take clothes. If it is placed at the back end, the barrel will appear very deep, and users will have to stretch their hands very far to take clothes.

[0021] 8. The lower barrel of the integrated frame can act as a counterweight for the upper barrel. The upper barrel assembly does not need to be equipped with weight blocks or the weight of the counterweight blocks can be reduced, thereby reducing the weight of the entire machine and improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 , a schematic diagram of the base of the present invention; Figure 2 , a three-dimensional diagram of the base of the present invention; Figure 3 , an axonometric view of the base of the present invention; Figure 4 , a side view of the installation of the lower barrel assembly of the present invention; Figure 5, a schematic diagram of a triangular support structure formed by the shock absorbing system of the present invention; Figure 6 , a schematic diagram of the frame formed between the base and the columns of the present invention; Figure 7 , a rear view of the frame structure of the present invention; Figure 8 , a schematic structural diagram of the present invention; Figure 9 , a schematic structural diagram of the left middle support plate of the present invention; Figure 10 , a schematic diagram of the connection between the left middle support plate of the present invention and the upper barrel shock absorber bracket fixing installation structure and the lower barrel suspension spring holder installation structure; Figure 11 , a schematic structural diagram of the upper left support plate of the present invention; Figure 12 , a schematic structural diagram of the rear upper crossbeam of the present invention; Figure 13 , a schematic structural diagram of the rear middle cross beam of the present invention; Figure 14 , a partial enlarged view of the cooperation between the second pre-fixed structure of the present invention and the column; Figure 15 , a schematic structural diagram of the front upper crossbeam of the present invention; Figure 16 , a schematic structural diagram of the connection between the front upper cross beam and the upper support plate of the present invention; Figure 17 , a schematic structural diagram of the lower sheet metal of the present invention; Figure 18 , a partial enlarged view of the cooperation between the third pre-fixed structure of the present invention and the column; Figure 19 , a structural schematic diagram of the lower end portion of the frame structure of the present invention; Figure 20 , a schematic structural diagram of the connection between the lower barrel assembly and the frame structure of the present invention; Figure 21 , a schematic diagram of the connection of the upper barrel assembly of the present invention; Figure 22 、The present invention Figure 21 A top view of List of reference numerals: Among them, 1-base; 2-column; 3-lower barrel assembly; 4-upper barrel assembly; 5-left middle support plate; 6-left upper support plate; 7-right middle support plate; 8-right upper support plate; 9-front upper crossbeam; 10-rear upper crossbeam; 11-rear middle crossbeam; 12-lower sheet metal; 14-first shock absorber; 15-base shock absorber bracket; 16-second suspension spring; 17-second shock absorber; 18-upper barrel shock absorber bracket fixing installation structure; 19-lower barrel suspension spring holder installation structure; 20-middle support plate positioning hole; 21-middle support plate rivet hole; 22-upper suspension spring holder fixing structure; 23-upper support plate rivet hole; 24-upper support plate positioning hole; 25-first suspension spring; b-second pre-fixed structure; c-third pre-fixed structure. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inward" and "outward" refer to directions toward or away from the geometric center of a particular component, respectively.

[0024] like Figure 1 、 2 As shown in Figures 6 and 8, an integrated shock-absorbing frame system for a multi-barrel washing machine includes a base 1, wherein each end of the base 1 forms a frame structure through a column 2; a lower barrel assembly 3 is provided in the inner cavity of the frame formed; an upper barrel assembly 4 is provided above the lower barrel assembly 3; wherein the upper barrel assembly 4 is composed of two small barrels connected to the left and right; wherein the upper barrel assembly 4 is connected to the frame structure through a second connecting structure; the lower barrel assembly 3 includes a large barrel, and the lower barrel assembly 3 is connected to the frame structure through a first connecting structure.

[0025] like Figure 6-8 As shown, the middle part between the two upright posts 2 on the left is connected to the left middle support plate 5 and the top is connected to the left upper support plate 6; the middle part between the two upright posts 2 on the right is connected to the right middle support plate 7 and the top is connected to the right upper support plate 8; the front ends of the left upper support plate 6 and the right upper support plate 8 are connected to the front upper cross beam 9 and the rear ends are connected to the rear upper cross beam 10; a rear middle cross beam 11 is provided below the rear upper cross beam 10; a lower sheet metal 12 is provided below the front upper cross beam 9.

[0026] like Figure 6 As shown, Figure 6 All the parts are fixed by riveting.

[0027] like Figure 8 、 15As shown in FIG16 , the two ends of the front upper cross beam 9 are fixed to the left upper support plate 6 and the right upper support plate 8 by screws respectively.

[0028] like Figure 8 and 12 As shown, upper crossbeam positioning holes 10-1 are provided at both the left and right ends of the rear upper crossbeam 10; positioning is performed through the upper crossbeam positioning holes, and a plurality of upper crossbeam rivet holes 10-2 are provided below each of the upper crossbeam positioning holes 10-1; the rear upper crossbeam 10 is riveted and fixed on the column 2.

[0029] like Figure 13 、 14 As shown, the left and right ends of the rear middle cross beam 11 are provided with a second pre-fixed structure b, wherein the two second pre-fixed structures b are respectively hung on the left and right columns 2, wherein the left and right ends of the rear middle cross beam 11 are fastened to the columns 2 by screws; wherein the second pre-fixed structure b is a second positioning plug; wherein the second positioning plug is engaged with the second positioning hole provided on the column 2 and adapted thereto.

[0030] like Figure 17 and 18 As shown, the left and right ends of the lower sheet metal 12 are provided with third pre-fixing structures c; two of the third pre-fixing structures c are hung on the left and right ends of the columns 2, respectively, and the left and right ends of the lower sheet metal 12 are fastened to the columns 2 by screws. The third pre-fixing structures are third positioning blocks; the third blocks are engaged with the third positioning holes provided on the columns 2.

[0031] like Figure 5 、 10 As shown in Figures 11, 17, 18, 19, 20, 21 and 22, the first connecting structure includes a first suspension spring 25 and a first shock absorber 14; wherein the left and right ends of the upper part of the lower barrel assembly 3 are respectively connected to the left middle support plate 5 and the right middle support plate 7 through the first suspension spring 25; the left and right ends of the bottom of the lower barrel assembly 3 are respectively connected and fixed to the base shock absorber bracket 15 through the first shock absorber 14; wherein the base shock absorber bracket 15 is installed on the left and right ends of the bottom of the base 1; wherein the second connecting structure includes a second suspension spring 16 and a second shock absorber 17; wherein the left and right sides of the lower part of the upper barrel assembly 4 are fixed to the left middle support plate 5 and the right middle support plate 7 through the second shock absorber 17, and the left and right sides of the upper part of the upper barrel assembly 4 are fixed to the left upper support plate 6 and the right upper support plate 8 through the second suspension spring 16, and the upper barrel assembly 4 can be placed in the frame structure from front to back or from top to bottom.

[0032] The left middle support plate 5 and the right middle support plate 7 are provided with an upper barrel shock absorber bracket fixing installation structure 18 and a lower barrel suspension spring holder installation structure 19 on the plate surface; wherein the left middle support plate 5 and the right middle support plate 7 are provided with a middle support plate positioning hole 20 and a middle support plate rivet hole 21 at both ends; the right upper support plate 8 and the left upper support plate 6 are both provided with an upper suspension spring holder fixing structure 22; the left and right ends of the upper right support plate 8 and the upper left support plate 6 are both provided with upper support plate rivet holes 23 and the bottom is symmetrically provided with upper support plate positioning holes 24; wherein the first suspension spring 25 is connected and fixed to the lower barrel suspension spring holder installation structure 19; the second suspension spring 16 is connected to the upper spring holder fixing structure 22, and the second shock absorber 17 is connected and fixed to the upper barrel shock absorber bracket fixing installation structure 18.

[0033] like Figure 21 and 22 The two small barrels arranged on the left and right are rigidly connected.

[0034] The safety gap between the upper barrel assembly 4 and the lower barrel assembly 3 of this embodiment is 40mm-70mm. If it is less than 40mm, when the upper and lower barrel assemblies are running at the same time, they will collide with each other and cause safety hazards.

[0035] like Figure 6 and 7 As shown, the distance between the two upright posts 2 located on the left and right of the front end is greater than the width of the lower barrel assembly 3; this facilitates the lower barrel assembly to be delivered from the front end into the support frame for installation; the distance between the upper left support plate 6 and the upper right support plate 8 is greater than the width of the upper barrel assembly 4; this facilitates the upper barrel assembly to be delivered from the top into the frame assembly for installation.

[0036] like Figure 1-3 The base 1 is a square structure, wherein each end is provided with a mounting foot structure, and the foot is screwed to the base; the bottom corner is set at the outermost edge of the four sides, which makes the machine more stable. At the same time, the bottom corner and the base are directly connected, and the base is rigidly connected to the overall frame, so that most of the vibration of the whole machine is directly transmitted to the bottom corner, reducing the vibration of the fuselage.

[0037] like Figure 5 As shown, the shaking of the upper barrel is alleviated by a triangular shock-absorbing structure.

[0038] In this embodiment, the lower bucket also serves as a counterweight for the upper bucket, lowering the center of gravity and further improving stability.

[0039] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above-mentioned embodiment, but also include technical solutions composed of any combination of the above technical features.

Claims

1. An integrated shock-absorbing frame system for a multi-tub washing machine, comprising a base (1), characterized in that: Each end of the base (1) forms a frame structure through a column (2); a lower barrel assembly (3) is arranged in the inner cavity of the frame; an upper barrel assembly (4) is arranged above the lower barrel assembly (3); the upper barrel assembly (4) is composed of two small barrels connected to the left and right; the upper barrel assembly (4) is connected to the frame structure through a second connection structure; the lower barrel assembly (3) includes a large barrel, and the lower barrel assembly (3) is connected to the frame structure through a first connection structure.

2. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 1, characterized in that: A left middle support plate (5) is connected to the middle portion between the two upright posts (2) on the left side, and a left upper support plate (6) is connected to the top portion; a right middle support plate (7) is connected to the middle portion between the two upright posts (2) on the right side, and a right upper support plate (8) is connected to the top portion; the front ends of the left upper support plate (6) and the right upper support plate (8) are connected to a front upper cross beam (9) and the rear ends are connected to a rear upper cross beam (10); a rear middle cross beam (11) is provided below the rear upper cross beam (10); and a lower sheet metal (12) is provided below the front upper cross beam (9).

3. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 2, characterized in that: The two ends of the front upper cross beam (9) are respectively fixed to the left upper support plate (6) and the right upper support plate (8) by means of screws.

4. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 2, characterized in that: The left and right ends of the rear upper cross beam (10) are both provided with upper cross beam positioning holes (10-1); a plurality of upper cross beam riveting holes (10-2) are provided below each of the upper cross beam positioning holes (10-1); and the rear upper cross beam (10) is riveted and fixed on the upright column (2).

5. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 2, characterized in that: The left and right ends of the rear middle cross beam (11) are both provided with a second pre-fixing structure (b), wherein the two second pre-fixing structures (b) are respectively hung on the left and right columns (2), wherein the left and right ends of the rear middle cross beam (11) are both fastened to the columns (2) by screws; wherein the second pre-fixing structure (b) is a second positioning plug; wherein the second positioning plug is engaged with a second positioning hole provided on the column (2) and adapted thereto.

6. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 2, characterized in that: A third pre-fixing structure (c) is provided at the left and right ends of the lower sheet metal (12); wherein two of the third pre-fixing structures (c) are respectively hung on the left and right ends of the upright posts (2), wherein the left and right ends of the lower sheet metal (12) are fastened to the upright posts (2) by screws; wherein the third pre-fixing structure is a third positioning plug-in block; wherein the third plug-in block is engaged in a third positioning hole provided on the upright post (2) and adapted thereto.

7. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 1, characterized in that: The first connection structure comprises a first suspension spring (25) and a first shock absorber (14); wherein the left and right ends of the upper part of the lower barrel assembly (3) are respectively connected to the left middle support plate (5) and the right middle support plate (7) through the first suspension spring (25); the left and right ends of the bottom of the lower barrel assembly (3) are respectively connected and fixed to the base shock absorber bracket (15) through the first shock absorber (14); wherein the base shock absorber bracket (15) is installed at the left and right ends of the bottom of the base (1); wherein the second connection structure comprises a second suspension spring (16) and a second shock absorber (17); wherein the left and right sides of the lower part of the upper barrel assembly (4) are fixed to the left middle support plate (5) and the right middle support plate (7) through the second shock absorber (17), and the left and right sides of the upper part of the upper barrel assembly (4) are fixed to the left upper support plate (6) and the right upper support plate (8) through the second suspension spring (16); and the upper barrel assembly (4) can be placed in the frame structure from front to back or from top to bottom.

8. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 7, characterized in that: An upper barrel shock absorber bracket fixing installation structure (18) and a lower barrel suspension spring holder installation structure (19) are provided on the plate surfaces of the left middle support plate (5) and the right middle support plate (7); middle support plate positioning holes (20) and middle support plate riveting holes (21) are provided at both ends of the left middle support plate (5) and the right middle support plate (7); upper suspension spring holder fixing structures (22) are provided on the panels of the right upper support plate (8) and the left upper support plate (6); upper support plate riveting holes (23) are provided at both left and right ends of the right upper support plate (8) and the left upper support plate (6), and upper support plate positioning holes (24) are symmetrically provided at the bottom; a first suspension spring (25) is connected and fixed to the lower barrel suspension spring holder installation structure (19); a second suspension spring (16) is connected to the upper spring holder fixing structure (22), and a second shock absorber (17) is connected and fixed to the upper barrel shock absorber bracket fixing installation structure (18).

9. The integrated shock-absorbing frame system for a multi-tub washing machine according to claim 1, characterized in that: The two small barrels arranged on the left and right are rigidly connected.

10. The integrated shock-absorbing frame system for a multi-tub washing machine according to any one of claims 1 to 8, characterized in that: The safety gap between the upper barrel assembly (4) and the lower barrel assembly (3) is greater than 40 mm.

11. The integrated shock absorbing frame system for a multi-tub washing machine according to claim 1, characterized in that: The distance between the two upright posts (2) disposed on the left and right sides of the front end is greater than the width of the lower barrel assembly (3); and the distance between the upper left support plate (6) and the upper right support plate (8) is greater than the width of the upper barrel assembly (4).