WO2018176747A1

WO2018176747A1 - Track mechanism and front-loader washing machine having same

Info

Publication number: WO2018176747A1
Application number: PCT/CN2017/102324
Authority: WO
Inventors: 仝帅; 谈路福; 赵长兴; 何虎成; 刘志刚; 姜涛; 余鑫; 唐雨生
Original assignee: 无锡小天鹅股份有限公司
Priority date: 2017-03-29
Filing date: 2017-09-19
Publication date: 2018-10-04
Also published as: CN106930071B; CN106930071A

Abstract

A track mechanism (10) and a front-loader washing machine having same. The track mechanism (10) comprises: a base body (11) provided with a track part (111), a motion part (12) matched with the track part (111) for guiding a part to be moved to move along the track part (111), and a connection part (13). One end of the connection part (13) is connected to the part to be moved and the other end is connected to the motion part (12); the edge of the connection part (13) extends outwards to at least partially cover the track part (111).

Description

Track mechanism and drum washing machine having the same

Technical field

The present invention relates to the field of laundry treatment equipment, and more particularly to a rail mechanism and a drum washing machine having the same.

Background technique

The door unit of the drum washing machine in the related art is directly connected to the bearing through the support plate, and the support plate is provided with a rail groove matched with the bearing. Since the guide groove is directly exposed, water or other foreign matter is likely to enter the guide groove, thereby causing Bad problems such as rust, wear and seizure of the guide groove or bearing.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a track mechanism which is highly reliable in use.

The present invention also proposes a drum washing machine having the above-described rail mechanism.

A rail mechanism according to an embodiment of the first aspect of the present invention includes: a base body provided with a rail portion; a moving portion that cooperates with the rail portion for guiding movement of the to-be-moved portion along the rail portion; a connecting portion, One end of the connecting portion is for connecting the moving portion, and the other end is connected to the moving portion; an edge of the connecting portion extends outward to at least partially cover the rail portion.

According to the track mechanism of the embodiment of the present invention, by providing a connecting portion connected to the moving portion and covering the connecting portion at least a portion of the rail portion, water, foreign matter, and the like are prevented from entering the rail portion, thereby preventing wear of the rail portion and the moving portion. Problems such as card death, ensuring the reliability of the use of the track mechanism.

According to an embodiment of the invention, the edge of the connecting portion extends outward and toward the rail portion and completely covers the rail portion.

According to an embodiment of the invention, a side of the base body adjacent to the connecting portion is provided with a rib extending toward the connecting portion, the rib extending into the connecting portion.

Optionally, the track portion is a plurality of arcuate grooves provided at intervals.

Optionally, the tank body has three strips; wherein the first tank body and the second tank body are different arc segments on the same circumference, and the circumference of the third tank body is disposed on the first tank body and the second tank body On the inside or outside of the circumference.

Further, the moving portion includes a body and a moving end that cooperates with the first groove body, the second groove body and the third groove body; the moving portion is substantially formed into a triangular frame, and the three moving ends are formed At the three ends of the triangular frame.

Optionally, a rolling body is disposed between the moving end and the body such that the moving end is rotatable relative to the body.

Optionally, the rolling bodies are balls.

Optionally, the cross section of the rail portion has a projection that protrudes toward the inner space of the rail portion.

Further, a portion of the moving end that is in contact with the rail portion is provided with an inner recess, and the inner recess cooperates with the protruding portion.

A drum washing machine according to an embodiment of the second aspect of the present invention includes: a housing having a front panel, the front panel being formed with an open opening; and a tub member having a laundry pick-and-place port, the tub member being disposed at The housing is configured and arranged such that the laundry pick-and-place opening moves up and down within the open opening; a rotatable drum is disposed in the barrel; a door unit is mounted on the barrel and covered In the above-mentioned railing mechanism, the rail mechanism described in the above embodiment is the door unit, and the door unit moves up and down in the open opening along the rail portion.

According to the drum washing machine of the embodiment of the present invention, by adopting the rail mechanism of the above embodiment, water, foreign matter, and the like can be prevented from entering the rail portion, and problems such as rust, abrasion, and jamming of the rail portion can be avoided, thereby ensuring the moving portion and the rail portion. The reliability of the cooperation increases the service life of the drum washing machine.

Optionally, the track mechanism is two sets, which are respectively symmetrically disposed on two sides of the casing.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a rail mechanism according to an embodiment of the present invention;

Figure 2 is an exploded view of the structure shown in Figure 1;

3 is a partial cross-sectional view of a track mechanism in accordance with one embodiment of the present invention.

4 is an assembled view of a track mechanism and a door unit in accordance with one embodiment of the present invention.

Reference mark:

Track mechanism 10,

The base body 11, the rail portion 111, the first trough body 1111, the second trough body 1112, the protruding portion 114, the rib 115,

The moving part 12, the body 121, the moving end 122,

Connection portion 13, upper panel 131, side panel 132

Door unit 20.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings, Like numbers refer to the same or similar elements or elements that have the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "back", "left", " The orientation or positional relationship of the right, vertical, horizontal, top, bottom, inner, outer, axial, radial, and circumferential directions is based on The orientation or positional relationship shown in the drawings is merely for the convenience of the description of the present invention and the description of the present invention, and is not intended to indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the invention.

A track mechanism 10 according to an embodiment of the first aspect of the present invention will now be described with reference to Figs.

As shown in FIGS. 1 to 3, a rail mechanism 10 according to an embodiment of the present invention includes a base 11, a moving portion 12, and a connecting portion 13. The base body 11 is provided with a rail portion 111. The moving portion 12 cooperates with the rail portion 111 for guiding the moving portion (not shown) to move along the rail portion 111. One end of the connecting portion 13 is for connecting the moving portion, and the other end is connected to the moving portion 12. The edge of the connecting portion 13 extends outward to at least partially cover the rail portion 111.

In operation, the moving portion 12 moves along the rail portion 111 of the base 11, and at the same time, the moving portion 12 is coupled to the connecting portion 13, thereby guiding the moving portion to move along the rail portion 111 through the connecting portion 13. The connecting portion 13 always covers at least a portion of the rail portion 111 during the movement to form a shield against the rail portion 111.

The rail mechanism 10 according to the embodiment of the present invention prevents water, foreign matter, and the like from entering the rail portion 111 by providing the connecting portion 13 connected to the moving portion 12 and covering the connecting portion 13 at least a portion of the rail portion 111, thereby avoiding the rail. The portion 111 and the moving portion 12 are subject to wear and seizure, and the reliability of use of the rail mechanism 10 is ensured.

According to an embodiment of the invention, the edge of the connecting portion 13 extends outward and toward the rail portion 111 and entirely covers the rail portion 111. Thereby, the connecting portion 13 comprehensively protects the rail portion 111, and further improves the reliability of use of the rail mechanism 10.

In some examples, the side of the base body 11 adjacent to the connecting portion 13 is provided with a rib 115 extending toward one side of the connecting portion 13, and the rib 115 extends into the connecting portion 13.

Specifically, as shown in FIGS. 2 and 3, the side of the base 11 facing the connecting portion 13 (the left side as shown in FIG. 2) is provided with a rib 115 extending along the outer edge of the rail portion 111, and the retaining rib 115 protrudes from the outer surface of the base 11.

Further, the side of the connecting portion 13 facing the base 11 (the right side as shown in FIG. 2) has a dash panel 131 that is disposed above the retaining rib 115 and a side panel 132 that is disposed on the side of the rail portion 111. . Thereby, the upper panel 131 and the side panel 132 cover the upper side and the side of the rail portion 111, and it is possible to prevent water, foreign matter, and the like from entering the rail portion 111, thereby avoiding problems such as abrasion and seizure of the rail portion 111.

In some specific examples, the ribs 115 form an annular rib that extends along the outer peripheral edge of the track portion 111. After the base body 11 is assembled with the moving portion 12 and the connecting portion 13, the annular retaining rib extends from the rail portion 111 toward the side wall 132 of the connecting portion 13 in the thickness direction of the base 11, so that the upper panel 131 and the side of the connecting portion 13 The shroud 132 completely covers the annular retaining ribs to Water and foreign matter are prevented from entering the rail portion 111. Here, the "thickness direction" means the left-right direction of the base 11 as shown in FIG.

In some examples, the connecting portion 13 is an integrally formed piece, and the integrally formed structure not only ensures structural stability and structural strength, but also ensures reliable connection of the connecting portion 13 with other components (for example, the moving portion, the moving portion 12, etc.). To improve the reliability of the use of the track mechanism 10.

According to an alternative embodiment of the invention, the track portion 111 is a plurality of arcuate slots that are spaced apart.

In some examples, as shown in Figure 2, the slots are three. The first groove body 1111 and the second groove body 1112 are different arc segments on the same circumference, and the third groove body is located on the inner side or the outer side of the circumference of the first groove body 1111 and the second groove body 1112.

In other words, the first trough body 1111 and the second trough body 1112 form arcuate troughs distributed circumferentially along the same circumference, and the third trough body may be disposed in the first trough body 1111 and the second trough body 1112. The inner side of the imaginary circle forms an arcuate groove extending in the circumferential direction of a circle concentrically arranged with the imaginary circle, and has a simple structure and convenient processing.

Further, the moving portion 12 includes a body 121 and three moving ends 122. The three moving ends 122 are disposed on the body 121 and respectively cooperate with the first groove body 1111, the second groove body 1112 and the third groove body.

In some specific examples, the moving portion 12 is substantially formed as a triangular frame, and the three moving ends 122 are formed at three ends of the triangular frame, wherein a frame of the moving portion 12 can form an arc corresponding to the curved groove body. a plate member, wherein an arc length of the curved plate member is greater than an arc length between the first groove body 1111 and the second groove body 1112, so that the moving portion 12 can be straddle the first groove body 1111 and the second groove body 1112 on. Of course, the structural shape of the moving portion 12 of the rail mechanism 10 in the present invention is not limited thereto.

When the moving portion 12 moves along the track portion 11, the three moving ends 122 respectively slide along the arcuate groove of the corresponding position, thereby driving the connecting portion 13 to move along the track portion 111 on the base 11, and the operation is more stable and reliable. In this process, the connecting portion 13 can completely cover the rail portion 111 when moving to the arbitrary position with the moving portion 12, ensuring the reliability of use of the rail mechanism 10.

In some optional examples, a rolling body is disposed between the moving end 122 and the body 121, and the rolling body is a ball, so that the moving end 122 is rotatable relative to the body 121.

Specifically, the body 121 may be provided with three mounting channels, and the three moving ends 122 respectively form a columnar structure extending along the thickness direction of the body 121. One end of each of the moving ends 122 is disposed in the mounting passage and spaced apart from the inner wall of the mounting passage, and a rolling body is disposed between each of the moving ends 122 and the inner wall of the mounting passage. The other end of each of the moving ends 122 is engaged with the rail portion 111. When the moving portion 12 and the connecting portion 13 move along the rail portion 11, the three moving ends 122 rotate relative to the body 121, the movement is more stable and reliable, and the friction can be reduced, and the use reliability of the rail mechanism 10 is improved.

In some examples, as shown in FIG. 3, the cross section of the rail portion 111 has a projection 114 that protrudes toward the inner space of the rail portion 111. In the thickness direction of the base 11, the groove width in the middle portion of the rail portion 111 is smaller than the groove width on the inner and outer sides. and also That is, the wall faces of the rail portion 111 adjacent to the inner and outer sides form a slope which is inclined with respect to the vertical plane.

Further, a portion of the moving end 122 that is in contact with the rail portion 111 is provided with an inner recess (not shown). The inner concave portion cooperates with the convex portion 114, thereby functioning as a guide and a limit when the moving portion 12 slides along the rail portion 111, preventing the moving end 122 from coming off the rail portion 111.

When there is water or foreign matter falling, it is blocked by the moving portion 12 and the connecting portion 13 and cannot enter the rail portion 111. Even if a small amount of water or foreign matter enters the rail portion 111, it will slide down the slope of the protruding portion 114, and further The rail portion 111 is prevented from being worn or stuck.

A drum washing machine (not shown) according to an embodiment of the present invention will be described below with reference to Figs. It is to be noted that, in the present invention, the drum washing machine may refer to a laundry treating apparatus having a laundry function, such as a so-called "washing machine" or "drum washing and drying machine".

A drum washing machine according to an embodiment of the present invention includes: a housing (not shown), a tub member (not shown), a rotatable drum (not shown), the door unit 20, and the above embodiment. Track mechanism 10 as described.

The housing has a front panel with an open opening formed therein. The tub member has a laundry pick-and-place opening, the tub member being disposed within the housing and configured to cause the garment access opening to move up and down within the open opening. A rotatable drum is disposed within the barrel. The door unit 20 is mounted on the tub member and covers the laundry pick-and-place port. The door unit 20 is a moving portion, and the door unit 20 moves up and down along the rail portion 111 within the open opening.

In operation, the bucket member can be swung back and forth in the vertical plane with respect to the base body 11, while the door unit 20 slides along the rail portion 111 on the base body 11 with the bucket member. In this process, the connecting portion 13 always covers one side of the rail portion 111, preventing water from entering the rail portion 111 and causing the rail portion 111 to rust, and also preventing foreign matter from entering the rail portion 111, causing the rail portion 111 to wear and become stuck. . The track mechanism 10 can achieve the limit position, and can further achieve the purpose of supporting the barrel member, thereby improving the stability and reliability of the structural operation.

According to the drum washing machine of the embodiment of the present invention, by using the rail mechanism 10 of the above embodiment, water, foreign matter, and the like can be prevented from entering the rail portion 111, and problems such as rust, abrasion, and jamming of the rail portion 111 are prevented, thereby ensuring the moving portion. The reliability of the cooperation with the rail portion 111 extends the service life of the drum washing machine.

In some examples, the track mechanism 10 is disposed on one side of the door unit 20 (on the right side as shown in FIG. 4), and the connection portion 13 is located between the door unit 20 and the base 11 and connected to the right side of the door unit 20. The moving portion 12 is located between the base 11 and the connecting portion 13. The moving portion 12 is connected to the door unit 20 via a connecting portion 13. The connecting portion 13 is coupled to the base portion 11 by the engagement of the moving portion 12 with the rail portion 111 of the base 11, and the connection is reliable and the operation is stable.

Optionally, the track mechanism 10 is two groups, and the two sets of track mechanisms 10 are symmetrically disposed on two sides of the housing. Specifically, the two rail mechanisms 10 are respectively disposed on the left and right sides of the door unit 20. One of the rail mechanisms 10 faces the inner wall of the left side wall of the housing, and the other rail mechanism 10 faces the inner wall of the right side wall of the housing. When the bucket member swings, the door unit 20 moves under the guidance of the two rail mechanisms 10, and the structure is more stable and reliable.

Other configurations and operations of the drum washing machine in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A track mechanism comprising: a base body provided with a track portion; a moving portion cooperates with the track portion for guiding the movement of the moving portion along the track portion; and characterized in that it further comprises a connecting portion, the connection One end is adapted to connect to the moving portion, and the other end is connected to the moving portion; an edge of the connecting portion extends outward to at least partially cover the track portion.
The track mechanism according to claim 1, wherein an edge of the connecting portion extends outward and toward the rail portion and entirely covers the rail portion.
The track mechanism according to claim 1 or 2, wherein a side of the base body adjacent to the connecting portion is provided with a rib extending toward the connecting portion, and the rib extends into the connecting portion.
The track mechanism according to any one of claims 1 to 3, wherein the track portion is a plurality of arcuate grooves provided at intervals.
The track mechanism according to claim 4, wherein the groove body is three; wherein the first groove body and the second groove body are different arc segments on the same circumference, and the circumference of the third groove body is disposed at the circumference The inner side or the outer side of the circumference of the first groove body and the second groove body.
The track mechanism according to claim 5, wherein the moving portion comprises a body and a moving end that cooperates with the first groove body, the second groove body and the third groove body; In the case of a triangular frame, three of the moving ends are formed at the three ends of the triangular frame.
The track mechanism according to claim 6, wherein a rolling body is disposed between the moving end and the body such that the moving end is rotatable relative to the body.
The track mechanism according to claim 7, wherein the rolling bodies are balls.
The track mechanism according to any one of claims 6 to 8, characterized in that the cross section of the rail portion has a projection that protrudes toward the inner space of the rail portion.
The track mechanism according to claim 9, wherein a portion of the moving end that is in contact with the rail portion is provided with an inner recess, the inner recess being engaged with the protruding portion.
A drum washing machine comprising:

a housing having a front panel, the front panel being formed with an open opening;

a tub member having a laundry pick-and-place opening, the tub member being disposed in the housing and configured to cause the laundry pick-and-place opening to move up and down within the open opening;

a rotatable drum disposed in the barrel member;

a door unit mounted on the bucket member and covering the laundry pick-and-place opening;

Further, the rail mechanism according to any one of claims 1 to 10, wherein the to-be-moved portion is the door unit, and the door unit moves up and down within the open opening along the rail portion.
The washing machine according to claim 11, wherein the track mechanism is two sets, which are respectively symmetrically disposed on both sides of the casing.