CN211381208U - Door opening and closing structure of dish washing machine - Google Patents

Abstract

The utility model relates to the technical field of dish washing machines, and provides a door body opening and closing structure of a dish washing machine, which comprises a door body and an inner container, wherein a door hinge is arranged on the door body, the inner container is provided with a tension spring, and a stay cord is connected between the tension spring and the door hinge; the inner container is also provided with a connecting assembly with the door body, the connecting assembly comprises a fixed seat, a hinge fixing plate and a rope pulling wheel, the fixed seat is provided with a positioning shaft and a fixed plate, the positioning shaft is sleeved with the rope pulling wheel, and the pulling rope surrounds the rope pulling wheel; the hinge fixing plate is fixed on the fixing plate and connected with the door hinge through a rotating shaft, and at least two adjacent side edges of the hinge fixing plate are abutted against the limiting surrounding edges. The utility model discloses make the improvement to the structure that opens and shuts of the dish washer door body, from structural reinforcing connection hardness, improve the stability that the door body opened and shut effectively to improve the complete machine quality.

Description

Door opening and closing structure of dish washing machine

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a door body opening and closing structure of a dish washing machine.

Background

With the increasing development of science and technology and the improvement of living standard, especially with the rapid development of household appliance technology, a special dish washing device is provided for the aspect of tableware cleaning. A multifunctional dish washing machine generally has the functions of spraying, drying, sterilizing and the like, a user only needs to put tableware such as bowls and chopsticks into the dish washing machine, the dish washing machine can automatically complete a series of cleaning works according to the setting of the user, the use is convenient, the automation is full, the operation of the user is effectively reduced, and the dish washing machine is more and more loved by general users.

The existing dish-washing machines on the market generally have a door body opening and closing structure, so that the door body of the dish-washing machine can realize corresponding opening and closing movement on an inner container. The door body opening and closing structure comprises a door hinge, a hinge fixing plate and a pull rope, wherein the door hinge is arranged on the door body, the door hinge and the hinge fixing plate are connected through a rotating shaft, and the end part of the door hinge is connected with the pull rope; the hinge fixing plate is fixed with the connecting structure at the lower corners of the two sides in front of the inner container, and the connecting structure is provided with a rope pulling wheel surrounded by the pulling rope, so that the pulling rope can do stretching movement along the pulling rope wheel, the door hinge can rotate under the control of the pulling rope, and the opening and closing movement of the door body can be realized.

The door body of the dishwasher in the prior art has certain thickness and weight, not only has the function of covering the inner container, but also can be used for a sliding platform of the bowl basket after the door body is opened, so that the acting force of the door body is concentrated on the connecting structure of the hinge fixing plate and the inner container in the opening or closing movement of the door body. Therefore, the strength of the connecting structure influences the opening and closing stability of the door body and the quality of the whole machine, and is a technical difficulty required to be perfected by dish washer manufacturers at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door body structure that opens and shuts of dish washer to the stability problem of the door body structure that opens and shuts of prior art dish washer, improves the structure that opens and shuts of the door body, from structural reinforcing connection hardness, improves the stability that the door body opened and shut effectively to improve the complete machine quality.

In order to realize the purpose, the utility model discloses a technical scheme is:

a door body opening and closing structure of a dish washing machine comprises a door body and an inner container, wherein a door hinge is arranged on the door body, the inner container is provided with a tension spring, and a pull rope is connected between the tension spring and the door hinge; the inner container is also provided with a connecting assembly with the door body, the connecting assembly comprises a fixed seat, a hinge fixing plate and a rope pulling wheel, the fixed seat is provided with a positioning shaft and a fixed plate, the positioning shaft is sleeved with the rope pulling wheel, and the pulling rope surrounds the rope pulling wheel; the hinge fixing plate is fixed on the fixing plate and connected with the door hinge through a rotating shaft, and at least two adjacent side edges of the hinge fixing plate are abutted against the limiting surrounding edges.

The utility model discloses a structure that opens and shuts of dish washer door body compares with prior art, sets up coupling assembling between the inner bag and the door body, coupling assembling includes fixing base, hinged joint fixed plate and draws the rope sheave. The fixed seat is provided with a positioning shaft and a fixed disc, and the positioning shaft is used for being sleeved with the rope pulling wheel to position the movable position of the pulling rope. The hinge fixing plate is connected with the door hinge rotating shaft, so that the door body can be opened and closed under the control of the pull rope. To the connection stability problem of the door body and inner bag, adjacent both sides are equipped with spacing surrounding edge on the fixed disk, the hinge fixed plate is fixed on the fixed disk, and adjacent both sides border on the hinge fixed plate with spacing surrounding edge on the fixed disk supports tightly each other to strengthen the fixed effect to the hinge fixed plate effectively, avoid the rotary motion of hinge to lead to the hinge fixed plate to break away from the fixed disk easily, improve the stability of being connected of the door body and inner bag effectively, with the overall quality that improves dish washer.

It is further right the structure of fixed disk is improved, hinge fixed plate be equipped with fixed disk shape complex rectangle connecting portion, the adjacent border junction of rectangle connecting portion is equipped with the connection angle, adjacent spacing surrounding edge encloses to close on the fixed disk and forms the contained angle, the connection angle of rectangle connecting portion with contained angle position cooperation on the fixed disk to utilize the mosaic structure between the horniness, improve the fixed effect to hinge fixed plate effectively.

Furthermore, a plurality of fixing holes and positioning bulges are arranged on the fixing disc, a plurality of through holes and positioning holes are arranged on the hinge fixing plate, the through holes are matched with the fixing holes in the fixing disc in position, and the positioning holes are fixedly sleeved with the positioning bulges. On one hand, the fixing holes on the fixed disc are matched with the through holes on the hinge fixing plate and used for installing fasteners to penetrate through, so that the hinge fixing plate is stably fixed on the fixed disc; on the other hand, the locating hole on the hinge fixed plate with the protruding cooperation of cup jointing of location on the fixed disk to strengthen the fastening degree of hinge fixed plate on the fixed disk, avoid the activity of hinge to lead to the hinge fixed plate pine to take off, improve fixed effect effectively.

The structure of the hinge fixing plate is further improved, a shaft hole is formed in the hinge fixing plate, a connecting lug is arranged on the door hinge, a sleeve hole is formed in the connecting lug, a rotating shaft is arranged on the sleeve hole, and the rotating shaft is connected with the shaft hole and the sleeve hole in a penetrating mode; the fixed disc is also provided with an avoiding notch, and the avoiding notch is matched with the shaft hole of the hinge fixing plate. On one hand, the door hinge is connected with the hinge fixing plate through the rotating shaft, so that the door hinge can rotate on the hinge fixing plate to realize the opening and closing movement of the door body; on the other hand, the fixed disc is provided with an avoiding notch matched with the position of the shaft hole of the hinge fixing plate so as to avoid the installation position of the rotating shaft and reduce the influence on the surrounding range of the rotating shaft, thereby improving the smoothness of the rotating motion of the door hinge.

Furthermore, the hinge fixing plate is also provided with an anti-abrasion step arranged around the shaft hole. The anti-abrasion steps can be provided with multiple layers of steps according to practical application conditions, so that the anti-abrasion steps have the effect of isolating the door hinge from the hinge fixing plate, the friction area can be effectively reduced, the damping force is reduced, and the opening and closing movement of the door body is smoother.

The structure of the automatic door opening and closing structure is further improved, hooks connected with the pulling rope are arranged at the end portions of the door hinges, connecting sections are arranged between the front sides of the pulling rope wheels and the hooks of the pulling rope, tangent lines are arranged between the rotating shafts of the door hinges and the front sides of the pulling rope wheels in a tangent mode, and when the door body is closed, the angle formed between the connecting sections and the tangent lines is set to be 0-30 degrees. In the process that the inner container is covered by the door body, when the connecting section and the tangent line are in the range of the angle, the pull rope forms lever pull force, and the door body is automatically closed after the user looses the hand, so that the automatic closing performance of the door body of the dishwasher is effectively improved, and the operation experience of the user is improved.

Furthermore, the bottom edge of the hinge fixing plate is provided with a flange matched with the hook in position, and the flange is obliquely arranged to form an avoiding inclined plane so as to avoid the moving range of the door hinge during rotation, particularly avoid the avoiding action on the hook moving track of the door hinge, thereby effectively improving the smoothness of the opening and closing movement of the door body.

On the basis, a door frame is arranged on an opening of the inner container, a slot is arranged on the door frame, a magnetic attraction piece is arranged on the slot, and a magnetic induction part matched with the magnetic attraction piece is arranged on the door body; the door frame is provided with a cover plate, and the cover plate is provided with a hole matched with the slot; the magnetic attraction piece is provided with a protruding portion and a clamping portion, the clamping portion is connected with the cover plate at the opening in a clamped mode, and the protruding portion penetrates out of the opening. In order to improve the automatic door closing effect of the door body, the door frame of the inner container and the door body are matched in a magnetic attraction mode, the door body is automatically closed by the aid of acting force of the magnetic attraction, and the performance of the whole machine and user experience are effectively improved.

The opening and closing structure of the door body is further improved, the rope pulling wheel comprises a roller wheel and a fixed blocking piece, a groove for installing the pulling rope is formed in the roller wheel, a central hole sleeved with the positioning shaft is formed in the roller wheel, and the fixed blocking piece covers the central hole and limits the roller wheel to be separated; the fixing blocking piece is provided with a buckling hole, and the positioning shaft is provided with a convex block buckled with the buckling hole. On one hand, the roller is limited from the outside by arranging the fixed baffle, so that the roller is effectively prevented from falling off; on the other hand, the buckling hole on the fixed blocking piece is buckled and fixed with the lug on the positioning shaft, so that the fixed blocking piece is prevented from rotating along with the rolling of the roller, and the fixing effect of the fixed blocking piece is effectively improved.

Further, the fixed disk with be equipped with linking bridge between the location axle, spacing surrounding edge on the fixed disk with linking bridge connects, just still be equipped with the strengthening rib on the linking bridge to strengthen whole coupling assembling's hardness. Especially, the limiting surrounding edge on the fixed disc is fixedly connected with the connecting support, so that the acting force borne by the limiting surrounding edge is effectively dispersed, and the stability of the whole connecting assembly is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a first perspective view of a dishwasher according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of a dishwasher according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

FIG. 5 is an enlarged view of section C of FIG. 3;

fig. 6 is a perspective view of a hinge fixing plate according to an embodiment of the present invention;

FIG. 7 is a side view of a dishwasher according to an embodiment of the present invention;

FIG. 8 is an enlarged view of section D of FIG. 7;

FIG. 9 is a perspective view of a second dishwasher according to an embodiment of the present invention;

fig. 10 is a perspective view of a magnetic member according to an embodiment of the present invention.

Reference numerals: 100. a door body; 101. a magnetic induction part; 200. an inner container;

1. a door hinge; 10. trepanning; 11. connecting lugs; 12. a rotating shaft; 13. hooking;

2. a tension spring; 21. pulling a rope;

3. a fixed seat;

4. a hinge fixing plate; 41. a rectangular connecting portion; 42. perforating; 43. positioning holes; 44. positioning the notch; 45. a shaft hole; 46. an anti-abrasion step; 47. flanging;

5. a rope pulling wheel; 51. a roller; 510. a central bore; 511. a groove; 52. fixing a baffle plate; 520. buckling holes;

6. positioning the shaft; 61. a bump;

7. fixing the disc; 71. limiting surrounding edges; 72. a fixing hole; 73. positioning the projection; 74. avoiding the notch;

8. a door frame; 80. a slot; 81. a magnetic member; 811. a protrusion; 812. clamping; 82. a cover plate; 83. opening a hole;

9. connecting a bracket; 91. and (5) reinforcing ribs.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 4, the present embodiment provides a dishwasher with a door opening and closing structure, which includes a door 100 and an inner container 200 of the dishwasher, wherein the door 100 is provided with a door hinge 1, the inner container 200 is provided with a tension spring 2, and a pull rope 21 is connected between the tension spring 2 and the door hinge 1; the inner container 200 is further provided with a connecting assembly with the door body 100, and preferably, the connecting assembly is arranged on two sides of the inner container 200. The connecting assembly comprises a fixed seat 3, a hinge fixing plate 4 and a rope pulling wheel 5, wherein a positioning shaft 6 and a fixed disk 7 are arranged on the fixed seat 3, the positioning shaft 6 is sleeved with the rope pulling wheel 5, and the pull rope 21 is wound on the rope pulling wheel 5; at least two adjacent sides of the fixed disk 7 are provided with limiting surrounding edges 71, the hinge fixing plate 4 is fixed on the fixed disk 7 and connected with the door hinge 1 through a rotating shaft, and at least two adjacent side edges of the hinge fixing plate 4 are abutted against the limiting surrounding edges 71.

The utility model discloses a structure that opens and shuts of dish washer door body sets up coupling assembling between inner bag 200 AND gate body 100, coupling assembling includes fixing base 3, hinged joint fixed plate 4 and draws rope sheave 5. Wherein, be equipped with location axle 6 and fixed disk 7 on the fixing base 3, location axle 6 is used for cup jointing with rope wheel 5 to the active position of location stay cord 21. The hinge fixing plate 4 is connected with the door hinge 1 through a rotating shaft, so that the door body 100 can be opened and closed under the control of the pull rope 21.

Aiming at the problem of the connection stability of the door body 100 and the inner container 200, as shown in fig. 2 and 4, two adjacent sides of the fixed disk 7 are provided with limiting surrounding edges 71, the hinge fixing plate 4 is fixed on the fixed disk 7, and the two adjacent side edges of the hinge fixing plate 4 are tightly abutted to the limiting surrounding edges 71 of the fixed disk 7, so that the fixing effect on the hinge fixing plate 4 is effectively enhanced, the hinge fixing plate 4 is prevented from being easily separated from the fixed disk 7 due to the rotation motion of the door hinge 1, the connection stability of the door body 100 and the inner container 200 is effectively improved, and the overall quality of the dishwasher is improved.

Preferably, as shown in fig. 2, the hinge fixing plate 4 is provided with a rectangular connecting portion 41 matched with the shape of the fixing plate 7, a connecting corner 40 is provided at the joint of adjacent edges of the rectangular connecting portion 41, an included angle 70 is formed by enclosing adjacent limiting enclosing edges 71 on the fixing plate 7, and the connecting corner 40 of the rectangular connecting portion 41 is matched with the position of the included angle 70 on the fixing plate 7, so that the fixing effect on the hinge fixing plate 4 is effectively improved by utilizing the splicing structure between the corner bodies.

The structure of the fixed plate 7 is optimized, as shown in fig. 4 and 6, a plurality of fixing holes 72 and positioning protrusions 73 are provided on the fixed plate 7, and a plurality of through holes 42 and positioning holes 43 are provided on the hinge fixing plate 4. Wherein, the through hole 42 is matched with the fixing hole 72 on the fixed disk 7 in position so as to install a fastener for penetrating and fixing the hinge fixing plate 4 on the fixed disk stably.

The positioning holes 72 and the positioning protrusions 73 are fixedly sleeved to enhance the tightness of the hinge fixing plate 4 on the fixing plate 7, so that the hinge fixing plate 4 is prevented from loosening due to the movement of the door hinge 1, and the fixing effect is effectively improved.

On the basis, the positioning protrusion 73 can also be provided with a fixing screw hole, so that a fastener can be installed on the screw hole to increase the fixing effect on the positioning basis.

Preferably, the fixing holes 72 and the positioning protrusions 73 of the fixing plate 7 and the through holes 42 and the positioning holes 43 of the hinge fixing plate 4 are matched with each other and disposed on the fixing plate 7 and the hinge fixing plate 4 at multiple points, thereby effectively improving the fixing effect therebetween.

Preferably, as shown in fig. 4 and 6, a semicircular positioning protrusion 73 is disposed on an edge of the fixed disk 7, a positioning notch 44 is disposed on an edge of the hinge fixing plate 4, and the positioning notch 44 is matched with the semicircular positioning protrusion 73 in position. On the one hand, the connection fixing point between the fixed plate 7 and the hinge fixing plate 4 is extended to the edge position of the two, thereby increasing the connection fixing area. On the other hand, the positioning protrusion 73 is arranged in a semicircular shape and is matched with the positioning notch 44 on the edge of the hinge fixing plate 4, so that the occupied space is effectively reduced, the movement of the door hinge 1 is avoided, and the compactness between parts is improved.

Optimizing the structure of the hinge fixing plate 4, as shown in fig. 4 to 5, a shaft hole 45 is formed in the hinge fixing plate 4, a connecting lug 11 is formed in the door hinge 1, a sleeve hole 10 is formed in the connecting lug 11, a rotating shaft 12 is arranged in the sleeve hole 10, and the rotating shaft 12 is connected with the shaft hole 45 and the sleeve hole 10 in a penetrating manner; an avoiding notch 74 is further arranged on the fixed disc 7, and the avoiding notch 74 is matched with the position of the shaft hole 45 of the hinge fixing plate 4. On one hand, the door hinge 1 is connected with the hinge fixing plate 4 through the rotating shaft 12, so that the door hinge 1 can rotate on the hinge fixing plate 4 to realize the opening and closing movement of the door body 100; on the other hand, the fixed plate 7 is provided with an avoiding notch 74 matched with the position of the shaft hole 45 of the hinge fixing plate 4, so as to avoid the installation position of the rotating shaft 12 and reduce the influence on the surrounding range of the rotating shaft 12, thereby improving the smoothness of the rotating motion of the door hinge 1.

On the basis, as shown in fig. 6, the hinge fixing plate 4 is further provided with an anti-wear step 46 disposed around the shaft hole 45. The anti-abrasion steps 46 can be provided with multiple layers of steps according to practical application conditions, so that the isolation effect between the door hinge 1 and the hinge fixing plate 4 is achieved, the friction area can be effectively reduced, the damping force is reduced, and the opening and closing movement of the door body 100 is smoother.

The opening and closing structure of the door body 100 of the dishwasher is optimized, as shown in fig. 5 and 7 to 8, a hook 13 connected with a pulling rope 21 is arranged at the end part of the door hinge 1, the pulling rope 21 is provided with a connecting section S between the front side of the rope pulling wheel 5 and the hook 13, a tangent line L is tangent to the rotating shaft 12 of the door hinge 1 and the front side of the rope pulling wheel 5, and an angle Y formed between the connecting section S and the tangent line L is set to be 0 to 30 degrees when the door body 100 is closed. In the process that the door body 100 covers the inner container 200, when the connecting section S and the tangent line L are within the range of the angle Y, the pull rope 21 forms a lever pull force, and the door body 100 is automatically closed after the user releases his hand, so that the automatic closing performance of the door body 100 of the dishwasher is effectively improved, and the operation experience of the user is improved.

On the basis, as shown in fig. 6 and 8, a flange 47 is further arranged at the bottom edge of the hinge fixing plate 4, the flange 47 is matched with the position of the hook 13, and the flange 47 is obliquely arranged to form an avoiding inclined plane, so that the moving range of the door hinge 1 during rotation is avoided, particularly the avoiding effect on the moving track of the hook 13 of the door hinge 1 is avoided, and the smoothness of the opening and closing movement of the door body 100 is effectively improved.

In order to improve the automatic door closing effect of the door body 100, as shown in fig. 3 and 9 to 10, a door frame 8 is arranged on an opening of the inner container 200, a slot 80 is arranged on the door frame 8, a magnetic attraction piece 81 is arranged on the slot 80, and the door body 100 is provided with a magnetic induction part 101 matched with the magnetic attraction piece 81; a cover plate 82 is arranged on the door frame 8, and an opening 83 matched with the slot 80 is formed in the cover plate 82; the magnetic part 81 is provided with a protrusion 811 and a detent 812, the detent 812 is connected with the cover plate 82 at the opening 83, and the protrusion 811 penetrates out of the opening 83. The door frame 8 of the inner container 200 is matched with the door body 100 in a magnetic attraction manner, and the door body 100 is automatically closed by the aid of magnetic attraction acting force, so that overall performance and user experience are effectively improved.

As shown in fig. 4, the rope pulling wheel 5 includes a roller 51 and a fixed blocking piece 52, a groove 511 for installing the pulling rope 21 is provided on the roller 51, a central hole 510 sleeved with the positioning shaft 6 is provided in the roller 51, and the fixed blocking piece 52 covers the central hole 510 and prevents the roller 51 from coming off.

Preferably, the fixing catch 52 is provided with a fastening hole 520, and the positioning shaft 6 is provided with a protrusion 61 fastened with the fastening hole 520, so as to prevent the fixing catch 52 from rotating along with the rolling of the roller 51, and effectively improve the fixing effect of the fixing catch 52.

As shown in fig. 4, a connecting support 9 is arranged between the fixed disk 7 and the positioning shaft 6, the limiting surrounding edge 71 on the fixed disk 7 is connected with the connecting support 9, and a reinforcing rib 91 is further arranged on the connecting support 9 to enhance the hardness of the whole connecting assembly. Particularly, the limiting surrounding edge 71 on the fixed disc 7 is fixedly connected with the connecting bracket 9, so that the acting force borne by the limiting surrounding edge 71 is effectively dispersed, and the stability of the whole connecting assembly is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A door body opening and closing structure of a dish washing machine comprises a door body and an inner container of the dish washing machine, wherein a door hinge is arranged on the door body, a tension spring is arranged on the inner container, and a pull rope is connected between the tension spring and the door hinge; the inner container is characterized in that the inner container is also provided with a connecting assembly with the door body, the connecting assembly comprises a fixed seat, a hinge fixing plate and a rope pulling wheel, the fixed seat is provided with a positioning shaft and a fixed plate, the positioning shaft is sleeved with the rope pulling wheel, and the pulling rope surrounds the rope pulling wheel; the hinge fixing plate is fixed on the fixing plate and connected with the door hinge through a rotating shaft, and at least two adjacent side edges of the hinge fixing plate are abutted against the limiting surrounding edges.

2. The door body opening and closing structure of the dish washing machine as claimed in claim 1, wherein the hinge fixing plate is provided with a rectangular connecting portion matched with the fixing plate in shape, a connecting angle is arranged at the joint of the adjacent edges of the rectangular connecting portion, an included angle is formed by the surrounding of the adjacent limiting surrounding edges on the fixing plate, and the connecting angle of the rectangular connecting portion is matched with the included angle on the fixing plate.

3. The door body opening and closing structure of the dish washing machine as claimed in claim 2, wherein the fixed tray is provided with a plurality of fixing holes and positioning protrusions, the hinge fixing plate is provided with a plurality of through holes and positioning holes, the through holes are matched with the fixing holes in the fixed tray in position, and the positioning holes are fixedly sleeved with the positioning protrusions.

4. The door body opening and closing structure of the dish washing machine as claimed in claim 1, wherein the hinge fixing plate is provided with a shaft hole, the door hinge is provided with a connecting lug, the connecting lug is provided with a sleeve hole, the sleeve hole is provided with a rotating shaft, and the rotating shaft is connected with the shaft hole and the sleeve hole in a penetrating manner; the fixed disc is also provided with an avoiding notch, and the avoiding notch is matched with the shaft hole of the hinge fixing plate.

5. The door opening and closing structure of the dishwasher according to claim 4, wherein the hinge fixing plate is further provided with an anti-wear step arranged around the shaft hole.

6. The door body opening and closing structure of the dishwasher according to claim 4, wherein a hook connected with the pulling rope is arranged at an end of the door hinge, the pulling rope is provided with a connecting section from the front side of the rope pulling wheel to the hook, a tangent line is tangent to a rotating shaft of the door hinge and the front side of the rope pulling wheel, and an angle formed between the connecting section and the tangent line is set to be 0 to 30 degrees when the door body is closed.

7. The door body opening and closing structure of the dishwasher according to claim 6, wherein the bottom edge of the hinge fixing plate is provided with a flange matched with the hook in position, and the flange is obliquely arranged to form an avoiding inclined surface.

8. The door body opening and closing structure of the dish washing machine as claimed in claim 1, wherein a door frame is provided on the opening of the inner container, a slot is provided on the door frame, a magnetic member is provided on the slot, and the door body is provided with a magnetic induction part matched with the magnetic member; the door frame is provided with a cover plate, and the cover plate is provided with a hole matched with the slot; the magnetic attraction piece is provided with a protruding portion and a clamping portion, the clamping portion is connected with the cover plate at the opening in a clamped mode, and the protruding portion penetrates out of the opening.

9. The door body opening and closing structure of the dish washing machine according to claim 1, wherein the rope pulling wheel comprises a roller wheel and a fixed blocking piece, the roller wheel is provided with a groove for mounting the pulling rope, and the roller wheel is internally provided with a central hole sleeved with the positioning shaft; the fixed baffle plate covers the central hole and limits the roller from falling off; the fixing blocking piece is provided with a buckling hole, and the positioning shaft is provided with a convex block buckled with the buckling hole.

10. The door body opening and closing structure of the dish washing machine as claimed in any one of claims 1 to 9, wherein a connecting bracket is arranged between the fixed disk and the positioning shaft, a limiting surrounding edge on the fixed disk is connected with the connecting bracket, and a reinforcing rib is further arranged on the connecting bracket.

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