CN110904622A

CN110904622A - Non-welding type washing machine inner barrel and washing machine

Info

Publication number: CN110904622A
Application number: CN201811127280.7A
Authority: CN
Inventors: 陈明锦
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2020-03-24

Abstract

The invention provides a non-welding type washing machine inner barrel which comprises a barrel body, front end covers and a barrel bottom, wherein the front end covers and the barrel bottom are respectively arranged at the front end and the rear end of the barrel body; the first joint part of the barrel body is mutually clamped and connected with the second joint part of the front end cover; the first joint part is a first U-shaped piece which extends outwards along the side wall of the barrel body and is folded back in an anti-parallel mode; the second joint part consists of a second U-shaped piece and a third U-shaped piece, wherein the second U-shaped piece wraps the outer side of the first U-shaped piece, and the third U-shaped piece is folded back along one side of the second U-shaped piece in an anti-parallel mode and inserted into the first U-shaped piece, so that the first U-shaped piece is nested in an inner space limited by the second U-shaped piece and the third U-shaped piece. The invention also provides a washing machine with the non-welding type washing machine inner barrel. The inner barrel of the washing machine and the washing machine have the advantages of being not easy to rust, not polluting clothes, high in production and manufacturing efficiency, long in service life, higher and the like.

Description

Non-welding type washing machine inner barrel and washing machine

Technical Field

The invention relates to a non-welding type washing machine inner barrel and a washing machine.

Background

The inner tub of the washing machine is an important component of the washing machine and is generally made of two materials, namely plastic and stainless steel. Wherein, the plastic has short service life, is not easy to clean and is gradually eliminated. In the prior art, stainless steel is mainly adopted to manufacture an inner barrel of a washing machine.

The inner barrel of the washing machine is manufactured by stainless steel, and all components of the inner barrel of the washing machine are fixedly connected with each other by welding, for example, the barrel wall and the front end cover are fixed by welding, and the welded inner barrel of the washing machine has the problems that ① damages the metallographic structure of the stainless steel due to high temperature generated by welding, so the inner barrel of the welded washing machine is easy to rust in the use environment with high humidity and salinity, for example, southern and coastal areas, ② welding and high temperature easily cause deformation of the inner barrel of the washing machine, after ③ welding, joints of all parts such as a gap between the rear end cover and a lining plate cannot be subjected to anticorrosion treatment, rust liquid can leak in the washing process, so that clothes are polluted, and after ④ welding and heating, the materials can deform, and after cooling, internal attraction can be generated, so that the inner barrel of the washing machine is not firm enough.

Therefore, it is an urgent need to provide a non-welding type washing machine inner tub and a washing machine which can effectively overcome the above problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a non-welding type washing machine inner barrel which comprises a barrel body, front end covers and a barrel bottom, wherein the front end covers and the barrel bottom are respectively arranged at the front end and the rear end of the barrel body; the first joint part of the barrel body is mutually clamped and connected with the second joint part of the front end cover; the first joint part is a first U-shaped piece which extends outwards along the side wall of the barrel body and is folded back in an anti-parallel mode; the second joint part consists of a second U-shaped piece and a third U-shaped piece, wherein the second U-shaped piece wraps the outer side of the first U-shaped piece, and the third U-shaped piece is folded back and inserted into the first U-shaped piece along one side of the second U-shaped piece in an anti-parallel mode, so that the first U-shaped piece is nested in an inner space limited by the second U-shaped piece and the third U-shaped piece.

Preferably, the front end cap includes an opening portion provided at a center, an outwardly protruding flange portion surrounding the opening portion, a first annular flat plate surrounding the flange portion, a first triangular die provided on the first annular flat plate, and the second engaging portion provided at an outer edge of the first annular flat plate.

Preferably, the barrel bottom comprises a lining plate arranged at the center, a reinforcing rib arranged around the lining plate, a second annular flat plate surrounding the reinforcing rib, and a second triangular profiling arranged on the second annular flat plate.

Preferably, the tub includes a dehydrating section and a lifting rib provided in an axial direction of the tub.

Preferably, the dewatering zone is composed of a plurality of dewatering holes, and the dewatering holes are arranged in an evenly spaced manner in the axial direction and in an evenly spaced manner in the circumferential direction.

Preferably, the dewatering holes are conical holes with large inner parts and small outer parts.

Preferably, the barrel body is cylindrical, and the both ends of promoting the muscle are connected with first triangle die mould and second triangle die mould respectively.

Preferably, the flange portion is composed of three layers of annular bosses which protrude outward gradually.

Preferably, the liner plate is a flat plate recessed toward the tub.

The invention also provides a washing machine which comprises the non-welding type washing machine inner barrel.

Compared with the prior art, the invention has the following beneficial effects:

1. the non-welding type washing machine inner barrel provided by the invention has the advantages that the metallographic phase is not damaged by high temperature generated by welding in the production process, so that the non-welding type washing machine inner barrel provided by the invention is not easy to rust even in southern and coastal areas with high humidity and salinity, and clothes are not rusted and polluted.

2. The non-welding type inner barrel of the washing machine provided by the invention has the advantages that the problem that the inner barrel of the washing machine is easy to deform due to high temperature in welding production is solved, so that the inner barrel of the washing machine is firm and firm, and the service life is long.

3. The production efficiency of the inner barrel of the non-welding washing machine provided by the invention can be improved by 3 times or even higher.

4. The non-welding type washing machine inner barrel provided by the invention lays a foundation for later split riveting with the rear end cover and the main shaft.

Drawings

Fig. 1 is a perspective view of an inner tub of a non-welding type washing machine in accordance with a preferred embodiment of the present invention.

Fig. 2 is an exploded view of an inner tub of a non-welding type washing machine in accordance with a preferred embodiment of the present invention.

Fig. 3 is a sectional view of an inner tub of a non-welding type washing machine in accordance with a preferred embodiment of the present invention.

Fig. 4 is a partially enlarged view illustrating a coupling relationship between a front end cap and a tub body of an inner tub of a non-welding type washing machine in accordance with a preferred embodiment of the present invention.

Fig. 5 is a second enlarged view of the connection and engagement relationship between the front end cap and the tub body of the inner tub of the non-welding type washing machine in accordance with the preferred embodiment of the present invention.

1-a barrel body, 11-a first joint part, 111-a first U-shaped part, 12-a dehydration area, 121-a dehydration hole and 13-a lifting rib;

2-front end cover, 21-second joint part, 211-second U-shaped part, 212-third U-shaped part, 22-opening part, 23-flange part, 24-first annular flat plate, 25-first triangular profiling;

3-barrel bottom, 31-lining plate, 32-reinforcing rib, 33-second annular flat plate and 34-second triangular profiling.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1 to 5, the present invention provides an inner tub of a non-welding type washing machine, which includes a tub body 1, and front end caps 2 and a tub bottom 3 respectively disposed at front and rear ends of the tub body 1.

As shown in fig. 4 and 5, the first joint 11 of the tub 1 and the second joint 21 of the front cover 2 are engaged with each other. Specifically, the first joint 11 is a first U-shaped member 111 extending outward along the side wall of the tub 1 and folded back in an anti-parallel manner. The second joint 21 is composed of a second U-shaped part 211 and a third U-shaped part 212, wherein the second U-shaped part 211 wraps the outside of the first U-shaped part 111, and the third U-shaped part 212 is folded back and inserted into the first U-shaped part 111 along one side of the second U-shaped part 211 in an anti-parallel manner, so that the first U-shaped part 111 is nested in the inner space limited by the second U-shaped part 211 and the third U-shaped part 212.

The non-welding mode provided by the invention is adopted to connect and fix the barrel body and the front end cover, thereby avoiding the method that the barrel body and the front end cover are connected and fixed by adopting the welding mode in the prior art.

Preferably, as shown in fig. 2, the front end cap 2 includes an opening 22 disposed at the center, an outwardly protruding flange portion 23 surrounding the opening 22, a first annular flat plate 24 surrounding the flange portion 23, a first triangular die 25 disposed on the first annular flat plate 24, and the second engaging portion 21 disposed on the outer edge of the first annular flat plate 24.

Preferably, as shown in fig. 2, the tub bottom 3 includes a lining plate 31 disposed at the center, a reinforcing rib 32 disposed around the lining plate 31, and a second annular flat plate 33 surrounding the reinforcing rib 32, and a plurality of second triangular moldings 34 are disposed on the second annular flat plate 33.

Preferably, as shown in fig. 2, 3 and 4, the tub 1 includes a dewatering region 12 and a lifting rib 13 disposed along an axial direction of the tub 1, the dewatering region 12 is composed of a plurality of dewatering holes 121, the dewatering holes 121 are disposed to be uniformly spaced along the axial direction and uniformly spaced along a circumferential direction, and the dewatering holes 121 are conical holes having a large inside and a small outside.

Preferably, as shown in fig. 1 and 3, the tub body 1 is cylindrical, and both ends of the lifting rib 13 are connected to the first and second

triangular moldings

25 and 34, respectively. The first triangular profiling 25 and the second triangular profiling 34 increase the strength of the front end cover 2 and the barrel bottom 3, and simultaneously shield the contact gap between the lifting rib and the front end cover 2 and the barrel bottom 3.

Preferably, as shown in fig. 1 and 2, the flange portion 23 is composed of three layers of annular bosses which gradually protrude outward.

Preferably, as shown in fig. 2, the liner plate 31 is a flat plate depressed toward the tub 1.

3. Compared with the content of the welding type washing machine, the production efficiency of the inner barrel of the non-welding type washing machine provided by the invention can be improved by 3 times or even higher.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.

Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An internal barrel of a non-welding washing machine is characterized in that the internal barrel comprises a barrel body, front end covers and a barrel bottom, wherein the front end covers and the barrel bottom are respectively arranged at the front end and the rear end of the barrel body;

the first joint part of the barrel body is mutually clamped and connected with the second joint part of the front end cover; wherein,

the first joint part is a first U-shaped piece which extends outwards along the side wall of the barrel body and is folded back in an anti-parallel mode;

the second joint part consists of a second U-shaped piece and a third U-shaped piece, wherein the second U-shaped piece wraps the outer side of the first U-shaped piece, and the third U-shaped piece is folded back and inserted into the first U-shaped piece along one side of the second U-shaped piece in an anti-parallel mode, so that the first U-shaped piece is nested in an inner space limited by the second U-shaped piece and the third U-shaped piece.

2. The non-welded washing machine inner tub as claimed in claim 1, wherein the front cap includes an opening portion provided at a center, an outwardly protruding flange portion surrounding the opening portion, a first ring-shaped flat plate surrounding the flange portion, a first triangular press formed on the first ring-shaped flat plate, and the second engaging portion provided at an outer edge of the first ring-shaped flat plate.

3. The non-welded washing machine inner tub according to claim 1, wherein the tub bottom includes a lining plate centrally disposed, a reinforcement rib disposed around the lining plate, and a second annular flat plate surrounding the reinforcement rib, and a second triangular press formed on the second annular flat plate.

4. The non-welded washing machine inner tub as claimed in claim 1, wherein the tub body includes a dewatering area and a lifting rib provided in an axial direction of the tub body.

5. The non-welded washing machine inner tub according to claim 4, wherein the dewatering zone is composed of a plurality of dewatering holes, the dewatering holes being arranged in an evenly spaced arrangement in an axial direction and in an evenly spaced arrangement in a circumferential direction.

6. The non-welding type washing machine inner tub as claimed in claim 5, wherein the dewatering holes are conical holes having a large inside and a small outside.

7. The non-welding type washing machine inner barrel of claim 4, wherein the barrel body is cylindrical, and both ends of the lifting rib are respectively connected with the first triangular press and the second triangular press.

8. A non-welded washing machine inner tub according to claim 2, wherein the flange portion is composed of three layers of annular bosses which are gradually protruded outwardly.

9. A non-welded washing machine inner tub as claimed in claim 3, wherein the liner is a flat plate recessed toward the tub body.

10. A washing machine, characterized in that it comprises an internal tub of a non-welded washing machine according to any one of claims 1 to 9.