CN115613318A

CN115613318A - Roller washing machine and door body thereof

Info

Publication number: CN115613318A
Application number: CN202110813966.7A
Authority: CN
Inventors: 冉庆; 王得军; 范进; 王勇斌; 陈永超
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2023-01-17

Abstract

The invention discloses a drum washing machine and a door body thereof, wherein the door body comprises: the middle part of the inner frame is a hollow inner hole; one side of the inner frame is provided with a hinge slot; the observation window glass comprises a body and an outer edge formed by extending outwards along the radial direction of the body, and the body is embedded into the inner hole; the hinge mechanism is inserted in the hinge groove; the hinge mechanism is provided with a flange, and the outer edge of the observation window glass is clamped between the flange and the inner frame; the pressing block is positioned on the opposite side of the hinge mechanism, one end of the pressing block is fixedly connected with the inner frame, and the other end of the pressing block is pressed on the outer edge of the observation window glass; through flanging, the pressing block replaces a circular reinforcing piece, and the observation window glass is clamped and fixed on the inner frame, so that the problem that the observation window glass is cracked due to uneven force application to the periphery of the observation window glass in the assembling process is solved, the complex process with high assembling strength is adopted, the cost of positioning material consumption is reduced, and the space of a door body is saved; also reserve the space for the intensity of reinforcing inside casing, prevent because of the intensity not enough inside casing distortion.

Description

Roller washing machine and door body thereof

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a roller washing machine and a door body thereof.

Background

In the prior art, an observation window is arranged at a clothes feeding port of a drum washing machine, when the observation window glass is assembled, an annular reinforcing piece is usually matched with an inner frame, and the observation window glass is positioned by a method of extruding and clamping the outer edge of the observation window glass. The potential problems that the periphery of the observation window glass is stressed unevenly in the radial direction in the assembling process, residual internal stress causes cracking and the like are easily caused; meanwhile, the annular reinforcing piece occupies a larger space of the door body, so that the size and the strength of the inner frame are limited, and the door body can be distorted and deformed due to the gravity and the radial internal stress of the observation window glass after long-term use.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a door body of a drum washing machine, which directly fixes an observation window glass on an inner frame in a mode of positioning at least three points by using a flanging and a pressing block.

Meanwhile, a drum washing machine including the door body is provided.

In order to solve the technical problems, the invention adopts the technical scheme that: a door body of a drum washing machine includes:

the middle part of the inner frame is a hollow inner hole; one side of the inner frame is provided with a hinge groove.

The observation window glass comprises a body and an outer edge formed by extending outwards along the radial direction of the body, and the diameter of the outer edge is larger than that of the inner hole; the observation window glass is embedded in the inner hole of the inner frame.

The hinge mechanism is arranged in the hinge groove of the inner frame; the hinge mechanism is provided with flanges, and the flanges and the inner frame are respectively positioned on two sides of the outer edge of the observation window glass and used for clamping and fixing the observation window glass.

And at least two pressing blocks are arranged and positioned at the opposite side of the hinge mechanism, one end of each pressing block is fixedly connected with the inner frame, and the other end of each pressing block is pressed on the outer edge of the observation window glass.

Therefore, the observation window glass is clamped by the hinge mechanism, the pressing block and the inner frame, the observation window glass is positioned, the assembly mode is simple and effective, the annular reinforcing piece is replaced, the use of positioning materials can be greatly saved, and the problems that the annular reinforcing piece is uneven in extrusion force in the radial direction and the assembly process is complex in the assembly process are solved.

Further, the hinge mechanism includes:

and the hinge body is inserted in the hinge groove of the inner frame in a penetrating way.

The hinge reinforcing plate covers the hinge body and is fixedly connected with the hinge body; the flanging is arranged on one side of the hinge reinforcing plate close to the observation window glass.

Therefore, the axial movement and positioning of the observation window glass can be further realized by clamping the hinge body and the hinge reinforcing plate on the inner frame and then fixing the hinge body and the hinge reinforcing plate by using the screws. And also as a means of effecting pivotal movement of the entire drum washing machine door.

Furthermore, the device also comprises a pressing sheet which is clamped between the flanging and the outer edge of the observation window glass, wherein the pressing sheet is an arc-shaped gasket and is matched with the outer edge of the observation window glass and the flanging in size.

The tablet is an elastomer.

Therefore, the shape of the pressing sheet is matched with the hinge reinforcing plate and the observation window glass, so that the whole assembled effect is attractive and practical.

The pressing sheet is an elastic body and has elasticity, so that the observation window glass can be clamped by the flanging and the inner frame, and the observation window glass can be protected from being abraded by the flanging.

Furthermore, the pressing sheet comprises a first sheet body and a second sheet body, one surface of the first sheet body is attached to the outer edge of the observation window glass, and the other surface of the first sheet body is attached to the flanging; the second sheet body is extended from the first sheet body and is turned over towards the side face of the turned edge, and the turned edge is wrapped.

Preferably, at least two clamping jaws are arranged at the side line where the second sheet body is contacted with the side face of the flanging, and the clamping jaws are clamped with the first sheet body to clamp the flanging.

According to the above, the pressing sheet is positioned and arranged between the flanging of the hinge reinforcing plate and the observation window glass, so that the flanging is prevented from being stressed to crush the observation window glass; the structure that the pressing sheet wraps the flanging prevents the flanging from scratching assembly personnel in the assembly process and also performs positioning treatment on the pressing sheet.

Set up the jack catch on the preforming, can fix the preforming joint on the hinge reinforcing plate, make installation and dismantlement in-process, the clamp plate location is more accurate, and is not removed at will.

Furthermore, the surface of the first sheet body is provided with a protrusion, the flanging is correspondingly provided with a positioning hole, and the protrusion is embedded in the positioning hole.

Preferably, the protrusion has at least two positions, wherein the size of one positioning hole is consistent with that of the corresponding protrusion, and the radial size of the rest positioning holes is larger than that of the corresponding protrusion.

Therefore, the pressing sheet is provided with the protrusions, the positioning holes are formed in the corresponding positions on the turned-over edges, the protrusions are matched with the positioning holes, the pressing sheet cannot rotate and move, and the pressing sheet is further positioned on the plane.

Further, the inside casing sets up the trough-shaped supporting seat along hole circumferential direction, trough-shaped supporting seat and briquetting fastening connection.

Preferably, the groove-shaped supporting seat is provided with a positioning column and a screw column, the pressing block is provided with a positioning hole and a screw hole, the positioning column is connected with the positioning hole in a positioning mode, and a fastening connecting piece is arranged between the screw column and the screw hole.

Preferably, the pressing block and the hinge mechanism are uniformly distributed along the circumferential direction of the outer edge of the observation window glass.

Therefore, the pressing block method greatly saves the positioning material of the observation window glass on the inner frame, and reduces the manufacturing cost of arranging the buckle structure on the inner frame.

The pressing block is fixedly connected with the inner frame, the observation window glass is clamped between the pressing block and the inner frame, and at least three-point positioning of the observation window glass is realized together with the hinge mechanism, so that the observation window glass cannot move in a translation mode along the axial direction and is stably fixed; the method is simple, easy to implement and very convenient.

Furthermore, a first inner frame connecting wall extending along the axial direction is arranged on an inner hole of the inner frame.

And a second inner frame connecting wall extending along the axial direction is arranged on the outer edge of the inner frame.

Reinforcing ribs which are distributed in a crossed manner are arranged between the first inner frame connecting wall and the second inner frame connecting wall.

Therefore, annular reinforcing parts are cancelled, the space is increased for the inner frame, the connecting wall and the reinforcing ribs are arranged on the surface of the inner frame, and the strength of the inner frame can be effectively improved.

The arrangement of the connecting wall can realize the fastening connection with the middle frame and the window screen.

Further, still include:

the middle frame is an annular body and comprises a first inner ring and a first outer ring; and a first middle frame connecting wall extending along the axial direction is arranged on the first inner ring.

And a second middle frame connecting wall extending along the axial direction is arranged on the first outer ring.

The outer side sets up first draw-in groove or first jack catch along circumference on first center connecting wall and the second center connecting wall, the inboard of first inner frame connecting wall and second inner frame connecting wall set up second jack catch or second draw-in groove along circumference, with first draw-in groove or first jack catch buckle connection.

Preferably, the first clamping jaws or the first clamping grooves and the second clamping jaws or the second clamping grooves are uniformly distributed in the circumferential direction.

Therefore, the middle frame is connected with the second clamping groove or the second clamping jaw clamping buckle on the inner frame through the first clamping groove or the first clamping jaw of the first outer ring and the first inner ring, so that the whole middle frame is connected in a screw-free mode, quick assembly is achieved, and meanwhile, the damage to the inner frame body is reduced.

Furthermore, the window screen is a transparent piece and covers the inner frame and the middle frame; the window screen is a half circular cake-shaped cover body which is split perpendicular to the rotation axis, and a third clamping jaw or a third clamping groove is arranged on the inner wall surface of the edge of the cover body along the circumferential direction; and a fourth clamping jaw or a fourth clamping groove is arranged on the outer side of the second inner frame connecting wall corresponding to the inner wall surface of the edge of the cover body along the circumferential direction and is fixedly connected with the third clamping groove or the third clamping jaw in a clamping manner.

Preferably, the third clamping jaws or the third clamping grooves and the fourth clamping jaws or the fourth clamping grooves are uniformly distributed in the circumferential direction.

Therefore, the window screen is connected with the inner ring in a buckling mode, so that no screw is exposed out of the appearance of the window screen; the window screen is transparent and covers the middle frame and the inner frame, and various components in the window screen are protected while the appearance is concise and elegant.

A drum washing machine comprises a machine body, wherein a door body of the drum washing machine is arranged on the machine body.

According to the drum washing machine provided with the door body, the observation window glass is more reliable in at least three-point positioning through the hinge mechanism and the pressing block, the sealing performance is better, and the observation window glass is not easy to collide and break during maintenance; a large amount of positioning materials are saved through the hinge mechanism and the pressing block, and the cost can be reduced.

The middle frame and the window screen are respectively buckled with the inner frame, so that the independent function is realized, and the strength of the inner frame is increased; the transparent design of the window screen enables the whole roller washing machine door to be more beautiful and elegant in appearance.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. The turnup and the pressing block are adopted to replace the annular reinforcing piece, so that the material for assembling and positioning the observation window glass is greatly saved; the method for fixedly connecting the pressing block and the inner frame through the screws is simple and effective in the assembling process, the assembling time is saved, and the labor intensity is reduced.

2. The observation window glass is restrained in the axial translation direction through the plane positioning mode of at least three points, the radial pressure of the observation window glass on the peripheral annular reinforcing piece is eliminated, and the risk that the observation window glass is cracked due to nonuniform stress in the radial direction in the assembling process is also prevented.

3. By arranging the pressing piece, the observation window glass is prevented from being directly contacted with the hinge reinforcing plate to be abraded.

4. The annular reinforcing part is cancelled, so that the problem that the buckles are not tight during assembly due to more buckles arranged on the inner frame is solved; simultaneously, the space of practicing thrift can be left for the inside casing, strengthens the bulk strength of inside casing, prevents to lead to the fact the inside casing to take place distortion because of intensity is not enough for a long time.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is an assembly view of a door of a drum washing machine according to the present invention;

FIG. 2 is a front view of the door body of the drum washing machine of the present invention without the middle frame and the window screen;

FIG. 3 is a front view of a door body of a drum washing machine without a window screen;

FIG. 4 is a front view of a door of a drum washing machine according to the present invention;

FIG. 5 is a bottom view of the door of the drum washing machine of the present invention;

fig. 6 is a rear view of a door body of a drum washing machine according to the present invention.

In the figure:

1. an observation window glass; 2. an inner frame; 3. a hinge mechanism; 4. briquetting; 5. a window screen;

6. a middle frame; 7. a door hook; 8. pushing the elastic column; 9. a rubber plug;

11. a body; 12. an outer edge; 21. a first inner frame connecting wall; 22. a second inner frame connecting wall;

31. a hinge reinforcement plate; 32. tabletting; 33. a hinge body;

61. a display screen; 62. a first middle frame connecting wall; 63. a second middle frame connecting wall;

81. a cylinder; 82. a spring; 83. a spring gland;

311. flanging; 312. positioning holes; 321. a protrusion;

331. a door hinge; 332. a hinge sleeve; 333. and (4) a hinge slot cover.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it for those skilled in the art by reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, a door body of a drum washing machine according to the present invention includes: an inner frame 2, a sight glass 1, a hinge mechanism 3 and a pressing block 4.

The middle part of the inner frame 2 is a hollow inner hole; one side of the inner frame 2 is provided with a hinge groove.

The observation window glass 1 comprises a body 11 and an outer edge 12 formed by extending outwards along the radial direction of the body 11, wherein the diameter of the outer edge 12 is larger than that of an inner hole; the body 11 of the viewing pane 1 engages in the inner bore of the inner frame 2.

The hinge mechanism 3 is arranged in the hinge groove; the hinge mechanism 3 is provided with a flange 311, and the outer edge 12 of the observation window glass 1 is clamped between the flange 311 and the inner frame 2.

And at least two pressing blocks 4 are arranged and positioned at the opposite side of the hinge mechanism 3, one end of each pressing block is fixedly connected with the inner frame 2, and the other end of each pressing block is pressed on the outer edge 12 of the observation window glass 1.

The hinge mechanism 3 includes: a hinge body 33 and a hinge reinforcement plate 31.

And a hinge body 33 inserted into the hinge groove of the inner frame 2.

A hinge reinforcing plate 31 covering the hinge body 33 and fastened to the hinge body 33; the flange 311 is provided on the side of the hinge reinforcement plate 31 close to the viewing glass 1.

The door body also comprises a pressing sheet 32 which is clamped between the flange 311 and the outer edge 12 of the observation window glass 1, wherein the pressing sheet 32 is an arc-shaped gasket and is matched with the outer edge 12 of the observation window glass 1 and the flange 311 in size; the sheeting 32 is elastomeric.

The pressing sheet 32 comprises a first sheet body and a second sheet body, one surface of the first sheet body is attached to the outer edge 12 of the observation window glass 1, and the other surface of the first sheet body is attached to the flanging 311; the second sheet body extends from the first sheet body and is turned over to the side face of the turned-over edge 311 to wrap the turned-over edge 311.

Preferably, at least two claws are arranged at the side line of the second sheet body contacting with the side face of the flange 311, and the claws and the first sheet body are clamped and connected with the flange 311.

The surface of the first sheet body is provided with a protrusion 321, and the flange 311 is correspondingly provided with a positioning hole 312.

Preferably, a protrusion 321 is disposed on the surface of the first sheet body, the flange 311 is correspondingly provided with a positioning hole 312, and the protrusion 321 is embedded in the positioning hole 312.

Preferably, the protrusion 321 has at least two positions, wherein the size of one positioning hole 312 is the same as the size of the corresponding protrusion 321, and the radial size of the remaining positioning holes 312 is larger than the corresponding protrusion 321.

The door body also comprises a middle frame 6, the middle frame 6 is an annular body, and a clamping groove or a clamping claw is arranged on the middle frame 6 and is matched with and buckled with a clamping claw or a clamping groove arranged at a corresponding position on the inner frame 2.

The door body further comprises a window screen 5, and the window screen 5 is a transparent piece; the window screen 5 is a half pie-shaped cover body which is split perpendicular to the rotation axis and covers the inner frame 2 and the middle frame 6.

The window screen 5 is provided with a clamping groove or a clamping jaw which is matched with the clamping jaw or the clamping groove arranged at the corresponding position on the inner frame 2 and is connected with the clamping jaw or the clamping jaw in a buckling mode.

As shown in fig. 1, a door body of a drum washing machine according to the embodiment includes: an inner frame 2, a sight glass 1, a hinge mechanism 3 and a pressing block 4.

One side of the inner frame 2 is flat and smooth, and a first inner frame connecting wall 21 extending along the axial direction is arranged on an inner hole of the inner frame 2 on the other side; a second inner frame connecting wall 22 extending in the axial direction is provided on the outer edge of the inner frame 2 to surround the entire inner frame 2.

Reinforcing ribs which are distributed in a crossed manner are arranged between the first inner frame connecting wall 21 and the second inner frame connecting wall 22.

The middle part of the inner frame 2 is a hollow inner hole; an angular notch is arranged on the inner hole.

The observation window glass 1 is a glass body with a similar basin-shaped structure, the drawing die protrudes towards one side, the edge of the drawing die extends outwards along the radial direction to form an outer edge 12, the diameter of the outer edge 12 is larger than that of the inner hole, and the outer edge can be attached to and clamped with the inner frame 2.

An angular projection is also provided on the outer edge 12 of the viewing pane 1, the shape and size of which angular projection matches the angular recess in the inner bore. When the outer edge 12 of the observation window glass 1 is jointed with the inner hole, the angular protrusion is just embedded into the angular gap of the inner hole, so that the observation window glass 1 cannot rotate around the central axis on the inner hole, and the axial rotation positioning of the observation window glass 1 is realized.

A hinge slot for pivotally rotating the door body of the drum washing machine is provided at one side of the inner frame 2, and the hinge slot is used for mounting the hinge mechanism 3. The hinge mechanism 3 includes a hinge body 33 and a hinge reinforcement plate 31; the two are clamped and fixed together from the two sides of the inner frame 2.

The hinge body 33 can be arranged to penetrate into the hinge slot of the inner frame 2, and the hinge body 33 comprises a door hinge 331, a hinge sleeve 332 and a hinge slot cover 333; the door hinge 331 has a rotation shaft for pivoting the door of the drum washing machine, the hinge sleeve 332 is sleeved on the rotation shaft, the door hinge 331 penetrates into the hinge slot from one side of the inner frame 2, and the rotation shaft thereof is exposed from the other side of the inner frame 2, so that the assembly is convenient.

In order to prevent the rotation shaft bodies of the door hinges 331 from being exposed to the air entirely, the hinge bodies 33 and the hinge reinforcing plates 31 have screw positioning holes for fixing and fastening them to the inner frame 2 by screws by using the hinge reinforcing plates 31 from the other side of the inner frame 2 to the hinge shafts.

The hinge slot cover 333 covers the door hinge 331 from both upper and lower sides, and protects the door hinge 331 together with the hinge reinforcement plate 31 from damage and dust contamination by exposure to air.

The hinge reinforcement plate 31 is provided with a flange 311 extending toward the observation window glass 1, and the flange 311 is just pressed against the outer edge 12 of the observation window glass 1.

Preferably, the hinge reinforcing plate 31 and the flange 311 are integrally formed as a sheet metal member, and can simultaneously protect and fix the hinge body 33 and the outer edge 12 of the observation window glass 1.

And the pressing block 4 is positioned at the opposite side of the hinge mechanism 3, one end of the pressing block is fixedly connected with the inner frame 2, and the other end of the pressing block is pressed on the outer edge 12 of the observation window glass 1.

And at least two pressing blocks 4 are arranged and positioned at the opposite side of the hinge mechanism 3, one end of each pressing block is fixedly connected with the inner frame 2, and the other end of each pressing block is pressed on the outer edge 12 of the observation window glass 1. Thus, the observation window glass 1 can realize at least three-point plane positioning through one hinge mechanism 3 and at least two pressing blocks 4. The observation window glass 1 is held between the inner frame 2, the pressing piece 32 and the pressing piece 4 so as not to be moved translationally in the axial direction and not to be crushed by generating a radial pressing force to the observation window glass 1.

Preferably, the pressing pieces 4 are symmetrically arranged at two sides of the hinge mechanism 3, so that the pressure applied to the observation window glass 1 can be more uniformly distributed, the observation window glass 1 is tightly jointed with the inner frame 2, and the water leakage phenomenon is prevented.

The inside casing 2 sets up the trough-shaped supporting seat along hole circumference direction, trough-shaped supporting seat and briquetting 4 fastening connection.

Preferably, the groove-shaped supporting seat is provided with a positioning column and a screw column, the pressing block 4 is provided with a positioning hole and a screw hole, the positioning column is connected with the positioning hole in a positioning mode, and a fastening connecting piece is arranged between the screw column and the screw hole.

Because originally, use the circular ring shaped reinforcement, all produce the extrusion force to the circumference of observing the window glass 1, in the course of assembling, the assembly worker needs to carry on the extrusion positioning around the whole observing the window glass 1, its application of force will also be nonuniform, cause the observing the window glass 1 to be stressed unevenly and cracked easily, and the labor intensity of the assembly worker is also very big, this kind of method of at least three-point location, its installation location is very simple and easy, greatly reduced the location installation intensity of the assembly worker, shortened the consumption of assembling man-hour.

The pressing block 4 is used for replacing a round reinforcing piece in the original structure, so that the assembly material is greatly saved, and the manufacturing cost is reduced; more buckles are arranged on the inner frame 2, and the problem that the buckles are not tightly combined during assembly is reduced; meanwhile, the manufacturing cost of arranging a plurality of buckle structures on the inner frame 2 and the circular ring-shaped reinforcing piece is reduced.

As shown in fig. 2 to 4, since the observation window glass 1 is brittle and fragile and is not suitable for direct contact with the hinge reinforcing plate 31 made of a metal material, a pressing piece 32 is additionally provided between the flange 311 of the hinge reinforcing plate 31 and the observation window glass 1. The pressing sheet 32 is an elastomer, and preferably, the material may be a plastic having a certain elasticity. The pressing piece 32 is matched with the outer edge 12 of the observation window glass 1 in size and is a gasket with an arc shape.

The pressing sheet 32 is positioned between the flanging 311 and the outer edge 12 of the observation window glass 1, the pressing sheet 32 comprises a first sheet body and a second sheet body, one surface of the first sheet body is attached to the outer edge 12 of the observation window glass 1, and the other surface of the first sheet body is attached to the flanging 311; the second sheet body extends from the first sheet body and is turned over towards the side face of the flanging 311 to wrap the flanging 311; the structure that the pressing sheet 32 wraps the flanging 311 prevents the flanging 311 from scratching assembly personnel in the assembly process, and also enables the pressing sheet 32 and the flanging 311 to be mutually restricted, thereby achieving the purpose of positioning treatment.

At least two clamping jaws are arranged at the side line where the second sheet body is contacted with the side face of the flanging 311, and the clamping jaws are clamped with the first sheet body to clamp the flanging 311.

Set up the jack catch on preforming 32, can fix preforming 32 joint on hinge reinforcing plate 31, make unable freedom after the preforming 32 assembly drop from hinge reinforcing plate 31, at the installation with dismantle the in-process, the location of preforming 32 is more accurate, not random removal.

The surface of the first sheet body is provided with a protrusion 321, the flange 311 is correspondingly provided with a positioning hole 312, and the protrusion 321 is embedded in the positioning hole 312.

The structure of the protrusion 321 and the positioning hole 312 prevents the pressing plate 32 from rotating and moving, thereby further positioning the pressing plate 32 on a plane.

As shown in fig. 5 to 6, the door body of the drum washing machine further includes: door hook 7, center 6, display screen 61, window screen 5, rubber buffer 9.

The door hook 7 is positioned on the opposite side of the hinge mechanism 3 and is fixedly connected with the inner frame 2 through a screw; the position of door hook 7 has the clearance of regulation, prevents because of the relative position of door hook 7 and lock is inaccurate, reduces the comfortable experience of user when closing the door.

Compared with the prior art, the door hook 7 is not arranged on the circular reinforcing piece, so that the difficulty that the observation window glass 1 and the door hook 7 need to be accurately positioned simultaneously when the circular reinforcing piece and the inner frame 2 are assembled to be connected can be reduced. The problem that the strength of the inner frame 2 is weakened due to the fact that the reserved opening of the inner frame 2 is too large to guarantee the accuracy of the position of the door hook 7 is also solved.

And a push elastic column 8 is arranged on one side of the door hook 7, and the push elastic column 8 is arranged on the inner frame 2. The ejection pushing column 8 comprises a column 81, a spring 82 and a spring gland 83; the cylinder 81 is a hollow concave shell with an opening on one surface, the diameter of the cylinder is matched with that of the spring 82, and the spring 82 is just embedded into the concave shell; then, the cylinder 81 with the spring 82 is inserted into the through hole correspondingly arranged on the inner frame 2, and the spring gland 83 covering the spring 82 is fastened on the inner frame 2 through screws; at this time, the front end of the column 81 is slightly exposed from the inner frame 2.

When the door of the drum washing machine is closed, the spring 82 in the push spring column 8 is compressed to store elastic potential energy, when the door of the drum washing machine needs to be opened, the spring 82 in the push spring column 8 restores deformation to release the elastic potential energy, and the door hook 7 can automatically separate from the door lock under the assistance of the push spring column 8, so that a user can directly open the door body of the drum washing machine without labor.

A first inner frame connecting wall 21 extending along the axial direction is arranged on an inner hole of the inner frame 2; a second inner frame connecting wall 22 extending along the axial direction is arranged on the outer edge of the inner frame 2; reinforcing ribs which are distributed in a crossed manner are arranged between the first inner frame connecting wall 21 and the second inner frame connecting wall 22.

The door body of the drum washing machine further comprises a middle frame 6, wherein the middle frame 6 is an annular body and comprises a first inner ring and a first outer ring; the first inner ring is provided with a first middle frame connecting wall 62 extending in the axial direction.

A second middle frame connecting wall 63 extending in the axial direction is provided on the first outer ring.

The outer sides of the first middle frame connecting wall 62 and the second middle frame connecting wall 63 are provided with first clamping grooves or first clamping claws along the circumferential direction, and the inner sides of the first inner frame connecting wall 21 and the second inner frame connecting wall 22 are provided with second clamping claws or second clamping grooves along the circumferential direction and are in clamping connection with the first clamping grooves or the first clamping claws. The first clamping jaws or the first clamping grooves and the second clamping jaws or the second clamping grooves are uniformly distributed in the circumferential direction.

Therefore, the middle frame 6 is embedded into the first inner frame connecting wall 21 to cover the inner frame 2, so that the reinforcing ribs on the inner frame 2 are not exposed, and the overall attractive effect is achieved.

The middle frame 6 can be used as a carrier of other related components, and the strength of the inner frame 2 is prevented from being weakened due to the arrangement of excessive components.

The display screen 61 is arranged on the middle frame 6 and fixedly clamped with the middle frame 6; the display screen 61 can display relevant washing parameters or commands of the control panel of the drum washing machine on the display screen 61 through electric connection, so that a customer can conveniently read and know the current state of the drum washing machine.

Preferably, the display screen 61 is one of a liquid crystal display screen, a fluorescent display screen and the like. In order to prevent the display screen 61 from being affected with damp or water, the periphery of the display screen 61 is enclosed and blocked by a sealing structure, so that the damage of corrosion, short circuit and the like of the electric appliance elements caused by water vapor is prevented.

The door body of the roller washing machine further comprises a window screen 5, the window screen 5 is a half pie-shaped cover body which is vertically split along the rotation axis of the window screen, and a third clamping jaw or a third clamping groove is arranged on the inner wall surface of the edge of the cover body along the circumferential direction; a fourth clamping jaw or a fourth clamping groove is arranged on the outer side of the second inner frame connecting wall 22 corresponding to the inner wall surface of the edge of the cover body along the circumferential direction and is fixedly connected with the third clamping groove or the third clamping jaw in a clamping manner.

The third clamping jaws or the third clamping grooves and the fourth clamping jaws or the fourth clamping grooves are uniformly distributed in the circumferential direction.

The window screen 5 is a transparent piece and can cover the inner frame 2 and the middle frame 6, and the content displayed by the display on the middle frame 6 is directly read from the transparent window screen 5; electrical elements arranged on the middle frame 6 can be prevented from being damaged due to damp and collision; the window screen 5 is provided with a round shaped part above the door hook 7, which is a key for indicating the door opening area.

The door body of the drum washing machine further comprises a rubber plug 9, the rubber plug 9 is positioned on one side, away from the window screen 5, of the inner frame 2, a sunken hole is formed in the inner frame 2 in advance, and the rubber plug 9 is tightly plugged and positioned. At least two rubber stoppers 9 are uniformly distributed around the outer edge 12 of the observation window glass 1.

Through setting up rubber buffer 9, can utilize the elastic deformation effect of rubber buffer 9 effectual prevention when drum type washing machine closes the door, because hard violently to the vibration damage that door body and observation window glass 1 caused, simultaneously, reduced the sound that the door body collided with drum type washing machine's organism when closing the door.

The door body of the drum washing machine can be better disassembled and assembled through a modular structure, and higher positioning precision and higher assembly efficiency are provided.

The drum washing machine comprises a machine body, and the door body of the drum washing machine is arranged on the machine body.

The whole assembly process is mainly divided into two steps:

firstly, assembling and positioning the observation window glass 1 and the inner frame 2.

And step two, assembling and positioning other parts of the door body and the inner frame 2.

The assembly positioning of the observation window glass 1 and the inner frame 2 in the first step comprises the following steps:

s1, axially and rotatably positioning the inner holes of the observation window glass 1 and the inner frame 2.

And S2, axially translating and positioning the observation window glass 1 and the inner frame 2.

In the step S1, since the outer edge 12 of the observation window glass 1 is provided with the angular protrusion, the inner hole of the inner frame 2 is provided with the angular notch, and the size of the angular notch is matched with that of the angular protrusion, during assembly, the angular protrusion of the observation window glass 1 is embedded into the angular notch on the inner hole of the inner frame 2, and the outer edge 12 of the observation window glass 1 is ensured to be tightly attached to the surface of the inner hole of the inner frame 2, so that the observation window glass 1 cannot rotate at the inner hole along the circumferential direction, and the positioning of the inner holes of the observation window glass 1 and the inner frame 2 in axial rotation is realized. Meanwhile, the positioning accuracy of the two is ensured, the joint surface is tightly sealed, and the water leakage phenomenon is prevented.

In the step S2, the axial translational positioning of the frame bodies of the observation window glass 1 and the inner frame 2 includes clamping and positioning of the observation window glass 1 by the hinge mechanism 3 and clamping and positioning of the observation window glass 1 by the pressing block 4.

The hinge mechanism 3 comprises a hinge body 33 and a hinge reinforcing plate 31, because a hinge groove for installing the hinge mechanism 3 is reserved on one side of the inner frame 2, the hinge body 33 penetrates into the hinge groove from one side of the inner frame 2, and the part of the hinge shaft is exposed from the other side of the inner frame 2 and is connected with the machine body of the drum washing machine. In order to prevent the hinge shaft from rusting or accumulating dust when exposed to air for a long time, a hinge reinforcing plate 31 is further provided on the hinge shaft exposed side to cover the hinge shaft for protection. The hinge reinforcing plate 31 is a rolled sheet metal part, a part of which covers the hinge shaft and a part of which extends out and is used for clamping a flange 311 of the observation window glass 1. The size of the flanging 311 is matched with the size of the outer edge 12 of the observation window glass 1, so that when a user views the observation window glass 1 from the other side, the flanging 311 does not block the sight.

In order to prevent the flange 311 of the hinge reinforcing plate 31 from being too hard and causing abrasion and breakage of the observation window glass 1 when the clamping force is applied, a pressing piece 32 is further provided on the hinge reinforcing plate 31.

The pressing sheet 32 is a section of arc-shaped gasket, and the shape of the pressing sheet is matched with the outer edge 12 of the turning plate and the observation window glass 1; the pressing piece 32 is an elastic body, so that when the observation window glass 1 is clamped by the hinge reinforcing plate 31, the pressing piece 32 generates elastic deformation, the observation window glass 1 is not worn and crushed, and the observation window glass 1 can be tightly clamped by the pressing piece and the frame body of the inner frame 2 together, so that the observation window glass 1 is prevented from translating along the axial direction.

Before the hinge reinforcing plate 31 and the hinge body 33 are fastened to each other, the pressing piece 32 is mounted on the hinge reinforcing plate 31.

The pressing sheet 32 comprises a first sheet body and a second sheet body, one surface of the first sheet body is attached to the outer edge 12 of the observation window glass 1, and the other surface of the first sheet body is attached to the flanging 311; the second sheet body extends from the first sheet body and is turned over to wrap the turned edge 311; the structure that the pressing sheet 32 wraps the flanging 311 prevents the flanging 311 from scratching assembly personnel in the assembly process, and the pressing sheet and the flanging are mutually restricted, so that the purpose of positioning treatment is achieved.

At least one protrusion 321 is further disposed on the surface of the first sheet body of the pressing sheet 32, preferably, two protrusions 321 may be symmetrically disposed on the surface of the first sheet body, and two through holes are correspondingly disposed on the hinge reinforcing plate 31, and the size of the through holes matches with the protrusions 321 of the pressing sheet 32; one of the through holes is a slotted hole, so that the assembling position is prevented from being deviated and dislocated and cannot be attached.

The claw is additionally arranged at the edge of the second sheet body, so that after the through hole of the hinge reinforcing plate 31 is matched and positioned with the protrusion 321 of the pressing plate 32, the claw is reused to clamp the hinge reinforcing plate 31, the pressing plate 32 cannot freely fall off from the hinge reinforcing plate 31 after being assembled, and the pressing plate 32 is prevented from automatically falling off or being lost when the hinge reinforcing plate 31 is disassembled and maintained.

In order to ensure that the observation window glass 1 and the frame body of the inner frame 2 are positioned more stably and reliably in the axial translation direction, the pressing block 4 is additionally used for positioning the observation window glass 1.

The pressing block 4 is an elastic body, and preferably, the pressing block 4 is made of a plastic material; the pressing pieces 4 are provided at least two places along the outer edge 12 of the sight glass 1 and on both sides of the hinge mechanism 3. Preferably, the pressing blocks 4 are symmetrically arranged; more preferably, the pressing block 4 and the flanging 311 of the hinge mechanism 3 are uniformly distributed along the outer edge 12 of the observation window glass 1, so that the observation window glass 1 is uniformly stressed, the sealing performance is enhanced, and the water leakage phenomenon is prevented.

In the second step, the assembly and positioning of other parts of the door body and the inner frame 2 comprises the following steps:

t1: the door hook 7 is connected with the inner frame 2.

T2: the middle frame 6 is connected with the inner frame 2.

T3: the window screen 5 is connected with the inner frame 2.

T4: the rubber plug 9 is connected with the inner frame 2.

In the step T1, the door hook 7 is arranged on the opposite side of the hinge mechanism 3, penetrates through the inner frame 2 and is fixedly connected with the inner frame 2 through a screw.

In the step T2, the middle frame 6 further includes a display screen 61, and the display screen 61 is first arranged on the middle frame 6 and is fixedly clamped with the middle frame 6; the sealing structure is arranged around the display screen 61 to prevent the water vapor from corroding and short-circuiting the electric elements.

The periphery of the middle frame 6 is provided with buckles which are matched with the buckles of the inner frame 2, so that the nail-free connection is realized, and the destructiveness of the structure is reduced.

In the step T3, the window screen 5 is a transparent piece, and buckles are arranged on the periphery of the window screen and matched with the buckles of the inner frame 2; the window screen 5 has a protective effect on the display screen 61 and the middle frame 6 which cover the interior, and the overall attractiveness is also improved; through the window screen 5, the user can also see the information displayed on the display screen 61, so that the experience of the user in use is improved.

In the T4 step, the rubber buffer 9 is positioned on one side, far away from the window screen 5, of the inner frame 2, a sunken hole is formed in the inner frame 2 in advance, and the rubber buffer 9 is tightly plugged and positioned. At least two rubber stoppers 9 are uniformly distributed around the outer edge 12 of the observation window glass 1.

Through setting up rubber buffer 9, can utilize the elastic deformation effect of rubber buffer 9 effectual prevention when drum type washing machine closes the door, because hard too violent vibration damage to the door body and observation window glass 1 cause, simultaneously, reduced the sound of door body and drum type washing machine shell collision when closing the door.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A door body of a drum washing machine is characterized by comprising:

the middle part of the inner frame is a hollow inner hole; one side of the inner frame is provided with a hinge groove;

the observation window glass comprises a body and an outer edge formed by extending outwards along the radial direction of the body, and the diameter of the outer edge is larger than that of the inner hole; the body of the observation window glass is embedded into the inner hole of the inner frame;

the hinge mechanism is arranged in the hinge groove; the hinge mechanism is provided with a flanging, and the outer edge of the observation window glass is clamped between the flanging and the inner frame;

and at least two pressing blocks are arranged and positioned on the opposite side of the hinge mechanism, one end of each pressing block is fixedly connected with the inner frame, and the other end of each pressing block is pressed on the outer edge of the observation window glass.

2. The door body of a drum washing machine according to claim 1, characterized in that: the hinge mechanism includes:

the hinge body is inserted in the hinge groove of the inner frame in a penetrating way;

3. The door body of a drum washing machine according to claim 2, characterized in that: the pressing sheet is an arc-shaped gasket and is matched with the outer edge of the observation window glass and the flanging in size;

the tablet is an elastomer.

4. The door body of a drum washing machine according to claim 3, characterized in that:

the pressing sheet comprises a first sheet body and a second sheet body, one surface of the first sheet body is attached to the outer edge of the observation window glass, and the other surface of the first sheet body is attached to the flanging; the second sheet body extends from the first sheet body and is folded towards the side face of the flanging to wrap the flanging;

preferably, at least two clamping jaws are arranged at the side line where the second sheet body is contacted with the side face of the flanging, and the clamping jaws and the first sheet body are clamped and connected with the flanging.

5. The door body of a drum washing machine according to claim 4, characterized in that:

the surface of the first sheet body is provided with a bulge, the flanging is correspondingly provided with a positioning hole, and the bulge is embedded in the positioning hole;

6. The door body of a drum washing machine according to any one of claims 1 to 5, characterized in that:

the inner frame is provided with a groove-shaped supporting seat along the circumferential direction of the inner hole, and the groove-shaped supporting seat is tightly connected with the pressing block;

preferably, the groove-shaped supporting seat is provided with a positioning column and a screw column, the pressing block is provided with a positioning hole and a screw hole, the positioning column is connected with the positioning hole in a positioning mode, and a fastening connecting piece is arranged between the screw column and the screw hole;

7. The door body of a drum washing machine according to any one of claims 1 to 6, characterized in that:

a first inner frame connecting wall extending along the axial direction is arranged on an inner hole of the inner frame;

a second inner frame connecting wall extending along the axial direction is arranged on the outer edge of the inner frame;

reinforcing ribs which are distributed in a crossed mode are arranged between the first inner frame connecting wall and the second inner frame connecting wall.

8. The door body of a drum washing machine according to claim 7, characterized in that: further comprising:

the middle frame is an annular body and comprises a first inner ring and a first outer ring; a first middle frame connecting wall extending along the axial direction is arranged on the first inner ring;

a second middle frame connecting wall extending along the axial direction is arranged on the first outer ring;

a first clamping groove or a first clamping jaw is arranged on the outer side of the first middle frame connecting wall and the outer side of the second middle frame connecting wall along the circumferential direction, and a second clamping groove or a second clamping groove is arranged on the inner side of the first inner frame connecting wall and the inner side of the second inner frame connecting wall along the circumferential direction and is in clamping connection with the first clamping groove or the first clamping jaw;

9. The door body of a drum washing machine according to claim 7, characterized in that: further comprising:

the window screen is a half-disk-shaped cover body which is vertically split to the rotation axis, and a third clamping jaw or a third clamping groove is formed in the inner wall surface of the edge of the cover body along the circumferential direction; a fourth clamping jaw or a fourth clamping groove is arranged on the outer side of the second inner frame connecting wall along the circumferential direction at a position corresponding to the inner wall surface of the edge of the cover body and is fixedly connected with the third clamping groove or the third clamping jaw in a buckling manner;

preferably, the third claws or the third clamping grooves and the fourth claws or the fourth clamping grooves are uniformly distributed in the circumferential direction.

10. A drum washing machine, including the organism, its characterized in that: the door body as claimed in any one of claims 1 to 9 is mounted on the body.