CN215687623U - Dish washer and door hinge mechanism thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines, and provides a door hinge mechanism of a dish washing machine, wherein the door hinge mechanism is arranged on the front side of the dish washing machine and is arranged above and below an opening in front of the dish washing machine; the door hinge mechanism comprises a door hinge, a hinge connecting frame and a tension spring, and the tension spring is arranged on the hinge connecting frame; one end of the door hinge is fixed with a door body of the dishwasher, and the other end of the door hinge is connected with the tension spring and is arranged on the hinge connecting frame through a rivet; the door hinge takes the rivet as a shaft and rotates up and down along with the opening and closing of the door body, and the movement of the door body is limited under the action of the tension spring. The application also provides a dishwasher with the door hinge mechanism. The application improves the door hinge mechanism on the dish washer of small volume to in solving prior art's small volume dish washer, be difficult to set up the technical problem who has the door hinge mechanism of force balance control.

Description

Dish washer and door hinge mechanism thereof

Technical Field

The application belongs to the technical field of dish-washing machines, and particularly relates to a dish-washing machine and a door hinge mechanism thereof.

Background

At present, the dish washing machines on the market are particularly arranged in front of the dish washing machines for the door body, and the door body opening and closing structure of the sliding-out platform of the dish basket can be unfolded. In order to enable the opening and closing movement of the door body to have controllability, a force balance control mechanism for the door hinge is generally adopted, so that the design space is saved, and after the door body is opened at a certain angle, the hovering effect at any angle can be realized through the force balance control mechanism when the dishwasher is opened.

In the dish washer of prior art, in order to realize the power balance control, the spare part that its door hinge subassembly needs is more, generally sets up in the left and right sides of dish washer, and the space that occupies the dish washer both sides is great, mainly is applicable to the model of ordinary volume, for example on the dish washer model of four sets of machines, six sets of machines and eight sets of machines, the width of this type of model is generally greater than 350 millimeters. However, for two sets of machines of smaller and more people, the volume of the whole machine is smaller, so that the inner accommodating space of the dish washing machine is limited, and more parts cannot be accommodated.

Therefore, for the small-sized dish washer, how to reasonably arrange the door hinge mechanism is a technical problem which is urgently needed to be perfected by dish washer manufacturers at present.

Disclosure of Invention

The utility model provides a dish washer and door hinge mechanism thereof, especially improve to the door hinge mechanism on the dish washer of small volume to in solving prior art's small volume dish washer, be difficult to set up the technical problem of the door hinge mechanism that has force balance control.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: providing a door hinge mechanism of a dish washing machine, wherein the door hinge mechanism is arranged at the front side of the dish washing machine and is arranged above and below an opening in front of the dish washing machine; the door hinge mechanism comprises a door hinge, a hinge connecting frame and a tension spring, and the tension spring is arranged on the hinge connecting frame; one end of the door hinge is fixed with a door body of the dishwasher, and the other end of the door hinge is connected with the tension spring and is arranged on the hinge connecting frame through a rivet; the door hinge takes the rivet as a shaft and rotates up and down along with the opening and closing of the door body, and the movement of the door body is limited under the action of the tension spring.

The application provides a door hinge mechanism on dish washer's beneficial effect lies in: compared with the prior art, to the less two sets of models of volume, at first, let the door hinge mechanism on the dish washer change from the both sides of dish washer and set up in the front side of dish washer, and be located the below position of dish washer front side opening to avoid occuping the left and right sides position of dish washer, thereby reduce the width of dish washer, let the whole shape of dish washer can keep narrowly, reduce the inside occupation space in dish washer both sides effectively. Secondly, the part that door hinge mechanism of this application contained is few, only comprises door hinge, hinge link and extension spring, can realize the power balance control to the door body, reduces the occupation space of the required structure of part and each part of installation effectively, therefore is favorable to using in the less two models of volume. Then, the door hinge mechanism of this application utilizes the extension spring as the balanced acting part of power, and then the motion that opens and shuts of the control door body. After the door body is opened at a certain angle, hovering at any angle can be realized under the action of the tension spring, the danger caused by rapid descending of the door body is effectively avoided, and potential safety hazards are eliminated.

The structure of the hinge connecting frame is improved, the hinge connecting frame is vertically arranged on the front side of the dish washing machine, the upper end of the hinge connecting frame is provided with a mounting plate, the mounting plate is provided with a connecting lug, and the connecting lug is provided with a mounting hole of the rivet; the door hinge is provided with a first connecting hole corresponding to the mounting hole, and the rivet penetrates through the mounting hole and the first connecting hole so as to connect the door hinge with the connecting lug. Here, the door hinge is swing joint with the engaging lug, lets the door hinge can use the rivet as the pivot, and the opening and shutting of following the door body rotates from top to bottom on the engaging lug, and then controls the motion that opens and shuts of the door body effectively. After the door body is completely opened, namely the door body is opened to 90 degrees and is in a flat state. At the moment, the door hinge plays a role in supporting the door body, and is favorable for stably sliding the bowl basket in the dish washing machine out of the door body.

Furthermore, the mounting plate extends out of the dishwasher and is obliquely arranged from bottom to top, and a limiting opening for limiting the rotation angle of the door hinge is arranged on the mounting plate; the tip of hinge is equipped with and butts the portion, the tip of hinge can imbed in the spacing mouthful, and make it with be located to hinder the portion the mounting panel plate body offsets. With this, make the restriction to the opening range of the door body, open the back completely when the door body, let the tip embedding of hinge in this spacing mouthful, and the portion of stopping that butts on the hinge can be rested on the mounting panel plate body at spacing mouthful border to the opening range of the limited door body plays the supporting role to the door body effectively.

Still further, the mounting plate is further provided with a reinforcing flange located at the edge of the limiting opening, and the reinforcing flange is turned outwards from the limiting opening. In practical application, because the door hinge still needs to support the door body and slide out of the bowl basket on the door body in the resisting state, the resisting part on the door hinge exerts a larger acting force on the mounting plate body at the edge of the limiting opening in the limiting opening, and the deformation of the limiting opening is easily caused. Therefore, the reinforcing flange positioned at the edge of the limiting port is arranged on the mounting plate, on one hand, the reinforcing flange can reinforce the structural strength of the mounting plate body of the limiting port and the edge part of the limiting port, effectively resist the resisting force of a door hinge and avoid the limiting port from being easily deformed and damaged. On the other hand, the reinforcing flange is arranged to be turned outwards, so that a guide structure positioned on one side of the limiting opening is formed. Let the tip of hinge can be along strengthening the turn-ups and in the spacing mouth of slip, play the guide effect effectively, and then improve the activity stability of hinge.

The structure of the hinge connecting frame is improved, the lower end of the hinge connecting frame is provided with a mounting lug for mounting the tension spring, and the mounting lug is provided with a hanging hole; the end part of the door hinge is provided with a second connecting hole, and two ends of the tension spring are respectively fastened with the hanging hole and the second connecting hole. One end of the tension spring is fixedly connected with the mounting lug, and the other end of the tension spring extends along with the movement of the door hinge, so that tension is provided for the door body, and the danger caused by rapid descending of the door body is avoided. Therefore, by utilizing the characteristics of the tension spring, the force balance control of the door body can be met, the balance weight of the door body is offset, and the door body can be suspended after being opened or slowly and underground to be in a completely opened state.

Furthermore, reinforcing folding edges are respectively arranged on two sides of the hinge connecting frame and are integrally connected with the connecting lugs; the body of the hinge connecting frame is also provided with a reinforcing convex rib connected with the mounting plate and the mounting lug respectively. On the one hand, the reinforced folding edges on the left side and the right side of the hinge connecting frame are integrally connected with the connecting lugs, so that the structural strength of the connecting lugs is improved, and the connection stability of the door hinge is effectively ensured. On the other hand, be equipped with the enhancement protruding muscle of being connected with this mounting panel or this installation ear on this hinged joint frame's the body respectively, should strengthen protruding muscle and include: one is a strip-shaped convex rib extending from the body to the mounting plate, and the strip-shaped convex rib transmits the stress of the mounting plate to the body, thereby effectively enhancing the structural strength of the mounting plate; the other type is that the edge of the body of the hinge connecting frame extends to the triangular convex rib on the mounting lug, and the tension on the mounting lug is further enhanced by utilizing the structural characteristic of a triangle, so that the mounting lug is effectively prevented from being deformed and damaged easily.

The application also provides a dish washing machine, which comprises an inner container, a base and a door body, wherein the inner container and the base are arranged up and down, and an opening for covering the door body is arranged in front of the inner container; the dishwasher also comprises a door hinge mechanism of the dishwasher, the base comprises a front baffle positioned below the opening of the inner container, the front baffle is provided with a mounting seat, and the mounting seat is provided with a stud; the hinge connecting frame is arranged on the mounting seat, and is provided with a fixing hole corresponding to the position of the stud, so that a fastener such as a screw can be additionally arranged to be fixedly connected in a penetrating way, and the hinge connecting frame is fixed on the mounting seat. Therefore, the hinge connecting frame is arranged below the opening of the inner container and fixed on the front baffle of the base, so that the door hinge arranged on the hinge connecting frame is favorably fixedly connected with the door body covered on the opening, and the door body can be effectively supported.

Furthermore, a boss protruding outwards is arranged in front of the inner container, a surrounding edge is arranged on the boss, and a dodging groove corresponding to the position of the door hinge is arranged on the surrounding edge. The boss is used for matching the shape of the door body covering the opening of the inner container, so that the door body is matched with the front side profile of the dish washing machine, and the overall aesthetic feeling is effectively improved. In addition, the surrounding edge of the boss is provided with an avoiding groove, when the door body is closed on the opening of the inner container, the door hinge can be embedded in the avoiding groove, so that the door body can be tightly covered on the opening of the inner container, and the integration of the door body and the front side of the dish-washing machine is effectively improved.

Furthermore, the bottom of surrounding edge be equipped with the mounting panel on the hinged joint frame dodges the inclined plane that sets up, the surrounding edge be equipped with the confession the tip male spacing groove of door hinge, the spacing groove set up in on the inclined plane, and with spacing mouthful position on the mounting panel corresponds. Therefore, when the door body is completely opened, the end part of the door hinge is embedded into the limiting opening and simultaneously extends into the limiting groove, the inner wall of the limiting groove is abutted against the abutting part of the door hinge, the abutting area is increased, and the supporting strength is effectively improved.

Furthermore, a wire outlet communicated with the inside of the base is formed in the mounting seat, a threading hole is formed in the hinge connecting frame, and the threading hole is located in the projection range of the wire outlet; the hinge connection frame is further provided with a wire harness clamp adjacent to the threading hole, and the wire harness clamp is isolated from the tension spring. In practical application, the door body is usually provided with a control panel, the control panel and a connecting circuit of the internal part of the base can be fixed by a wire harness clamp on the hinge connecting frame, and the wire outlet on the mounting seat is penetrated through the wire penetrating hole to be connected into the base and the internal part of the base, so that the wiring of the connecting circuit is effectively and reasonably arranged. Wherein, this pencil presss from both sides and separates the setting with the extension spring, lets be fixed in the interconnecting link on this pencil presss from both sides and separates with the extension spring, avoids mutual influence effectively.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

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

FIG. 2 is a schematic perspective view of a dishwasher according to an embodiment of the present application;

FIG. 3 is a schematic view of an assembly structure of a door hinge mechanism of a dishwasher according to an embodiment of the present application;

FIG. 4 is a first schematic diagram illustrating an exploded structure of a door hinge mechanism according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a closed state of a door body of a dishwasher provided in an embodiment of the present application;

FIG. 6 is a schematic view of a suspension state of a dishwasher door provided in an embodiment of the present application after the door is opened;

FIG. 7 is a schematic view of a state after a door of a dishwasher provided in an embodiment of the present application is opened;

FIG. 8 is a schematic perspective view of a door hinge mechanism according to an embodiment of the present disclosure;

FIG. 9 is a second schematic diagram illustrating an exploded structure of a door hinge mechanism according to an embodiment of the present disclosure;

FIG. 10 is a schematic diagram of a front side portion of a dishwasher base according to an embodiment of the present application;

fig. 11 is an enlarged view of a portion a of fig. 7.

Wherein, in the figures, the respective reference numerals:

100-inner container; 101-fasteners;

200-a base; 201-front baffle;

300-a door body;

400-door hinge mechanism; 401-rivets;

1-door hinge; 11-a first connection hole; 12-a stop portion; 13-a second connection hole;

2-a hinge connection frame; 21-mounting a plate; 211-engaging lugs; 212-mounting holes; 213-a limit port; 214-reinforcing the flange; 22-mounting ears; 221-hanging holes; 23-reinforcing and folding edges; 24-reinforcing ribs; 25-a fixation hole; 26-threading holes; 27-a wire harness clip;

3-a tension spring;

4-mounting a base; 41-a stud; 42-outlet port;

5-boss; 51-surrounding edge; 52-avoidance groove; 53-inclined plane; 54-limiting groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 considered as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

The dishwasher and the door hinge mechanism thereof provided in the embodiments of the present application will now be described. Referring to fig. 1 and 2, the dishwasher includes an inner container 100, a base 200, a door 300, and a door hinge mechanism 400 of the present application, wherein the inner container 100 and the base 200 are vertically disposed, and an opening 101 for covering the door 300 is disposed in front of the inner container 100. The door hinge mechanism 400 is disposed at the front side of the dishwasher below the opening 101 of the inner container 100. Herein, the "front side" of the dishwasher and the "front" of the inner tub 100 may be understood as a side of the dishwasher facing a user, i.e., a side of the dishwasher closest to the user when the user operates the dishwasher.

Referring to fig. 2, 3 and 4, the door hinge mechanism 400 includes a door hinge 1, a hinge connecting frame 2 and a tension spring 3, wherein the tension spring 3 is disposed on the hinge connecting frame 2. The dishwasher is provided with a pair of door hinges 1 which are arranged in bilateral symmetry, one end of each door hinge 1 is fixed with a door body 300 of the dishwasher, and the other end of each door hinge 1 is connected with the tension spring 3 and is arranged on the hinge connecting frame 2 through a rivet 401. In this embodiment, as shown in fig. 2 and 3, the upper end of the door hinge 1 has a fixing portion, and the fixing portion is fixedly connected to the bottom of the door body 300 by a fixing manner of a through hole penetrating fastener such as a screw.

Referring to fig. 5, 6 and 7, the door hinge 1 can rotate up and down along with the opening and closing of the door 300 by using the rivet 401 as an axis, and limit the movement of the door 300 under the action of the tension spring 3, so that the door 300 can hover at any angle after being opened at a certain angle; or, along with the gradual grow of the angle of opening the door, extension spring 3 is drawn gradually and is lengthened gradually, and the pulling force of extension spring 3 also becomes gradually, and the counter weight of the door body 300 offsets each other, and then reaches the effect of opening the door stably, lets the door body 300 can descend slowly. The "certain angle" of the door 300 when being opened can be understood as the angle of the door 300 after being unlocked.

Compared with the prior art, door hinge mechanism 400 on dish washer that this application embodiment provided compares, to the less two sets of models of volume, let door hinge mechanism 400 on dish washer change from the both sides of dish washer and set up in the front side of dish washer, and be located the below position of dish washer front side opening 101, in order to avoid occupying the both sides position of controlling of dish washer, thereby reduce the width of dish washer, let the whole shape of dish washer can keep narrowly, reduce the inside occupation space in dish washer both sides effectively.

The door hinge mechanism 400 of the application contains few parts, only consists of the door hinge 1, the hinge connecting frame 2 and the tension spring 3, can realize the force balance control of the door body 300, effectively reduces the occupied space of the parts and the required structures for installing the parts, and is beneficial to being applied to two machine types with small volume.

The door hinge mechanism 400 of the application utilizes the tension spring 3 as a force balance acting piece, and then controls the opening and closing movement of the door body 300. After the door body 300 is opened at a certain angle, hovering or slow descending at any angle can be realized under the action of the tension spring 3, so that the danger caused by rapid descending of the door body 300 is effectively avoided, and potential safety hazards are eliminated.

In the embodiment, referring to fig. 4, 8 and 9, the width of the hinge frame 2 is preferably greater than 80 mm and less than 300 mm, which can be effectively applied to two models with smaller volume. This hinged rack 2 is vertical to be set up in the front side of dish washer, and the upper end of this hinged rack 2 is equipped with mounting panel 21, is equipped with engaging lug 211 on this mounting panel 21, and has the riveting portion of installation rivet 401 on this engaging lug 211, has mounting hole 212 on this riveting portion. The door hinge 1 is provided with a first connection hole 11, and the first connection hole 11 corresponds to the mounting hole 212. The rivet 401 is inserted into the mounting hole 212 and the first connection hole 11 to connect the door hinge 1 to the connection lug 211. Here, door hinge 1 is movably connected to coupling lug 211, so that door hinge 1 can rotate up and down on coupling lug 211 along with opening and closing of door 300 using rivet 401 as a rotation shaft, thereby effectively controlling opening and closing movements of door 300. After the door 300 is completely opened, as shown in fig. 7, the door 300 is opened to 90 degrees and is in a flat state. At this time, the door hinge 1 plays a role of supporting the door body 300, which is beneficial to the stable sliding of the dish basket in the dishwasher out of the door body 300.

Referring to fig. 4, 8 and 9, the mounting plate 21 extends outward from the dishwasher and is inclined from bottom to top, and the mounting plate 21 is provided with a limit opening 213 for limiting the rotation angle of the door hinge 1. The end of the door hinge 1 is provided with a stopping part 12, so that the end of the door hinge 1 can be embedded into the limit opening 213, and the stopping part 12 is made to abut against the plate body of the mounting plate 21 positioned at the edge of the limit opening 213. Thus, the opening range of the door 300 is limited, and as shown in fig. 7, when the door 300 is completely opened, that is, when the door 300 is opened to a flat state as described above, the end of the door hinge 1 is inserted into the limit opening 213, and the stop portion 12 of the door hinge 1 can stop against the plate body of the mounting plate 21 at the edge of the limit opening 213. In practical applications, as shown in fig. 8, the stopping portion 12 mainly abuts against the plate body of the mounting plate 21 at the upper edge of the limiting opening 213, so as to limit the opening range of the door 300 and effectively support the door 300.

In addition, as shown in fig. 7, since the door hinge 1 needs to support the door body 300 and slide out of the bowl basket (not shown) on the door body 300 in the abutting state, the abutting portion 12 on the door hinge 1 exerts a large force on the plate body of the mounting plate 21 at the edge of the stopper opening 213 in the stopper opening 213, and thus the stopper opening 213 is easily deformed. For this reason, referring to fig. 4 and fig. 9, the mounting plate 21 is further provided with a reinforcing flange 214 located at the edge of the limiting opening 213, and the reinforcing flange 214 is folded outwards from the limiting opening 213. On one hand, the reinforcing flange 214 can reinforce the structural strength of the limiting opening 213 and the mounting plate 21 at the edge thereof, effectively resist the resisting force of the door hinge 1, and avoid the easy deformation and damage of the limiting opening 213. On the other hand, the reinforcing flange 214 is folded outwardly to form a guide structure on the side of the stopper hole 213. The end of the door hinge 1 can slide into the limiting opening 213 along the reinforcing flange 214, so that the guiding effect is effectively achieved, and the moving stability of the door hinge 1 is further improved.

Referring to fig. 4, 8 and 9, the lower end of the hinge connecting frame 2 is provided with a mounting lug 22 for mounting the tension spring 3, and the mounting lug 22 is provided with a hanging hole 221. The end of the door hinge 1 is provided with a second connecting hole 13, and the hanging lugs at the two ends of the tension spring 3 are respectively buckled with the hanging hole 221 and the second connecting hole 13. As shown in fig. 4 and 6, one end of the tension spring 3 is fixedly connected to the mounting lug 22, and the other end extends along with the movement of the door hinge 1, so as to provide tension for the door 300 and avoid the danger caused by the rapid descent of the door 300. Therefore, by utilizing the characteristics of the tension spring 3, the force balance control of the door body 300 can be met, the balance weight of the door body 300 is offset, and the door body 300 can be suspended after being opened or slowly descended to a completely opened state.

Preferably, referring to fig. 4 and 8, the two sides of the hinge connecting frame 2 are respectively provided with a reinforcing flange 23, and the reinforcing flanges 23 are integrally connected with the connecting lug 211, so as to improve the structural strength of the connecting lug 211 and effectively ensure the connection stability with the door hinge 1.

The body of the hinge-connecting bracket 2 is further provided with reinforcing ribs 24 connected to the mounting plate 21 and the mounting lugs 22, respectively. In the present embodiment, as shown in fig. 4 and 8, the body of the hinge frame 2 has two kinds of reinforcing ribs 24, including a strip-shaped rib extending from the body of the hinge frame 2 to the mounting plate 21, and a triangular rib extending from the edge of the body of the hinge frame 2 to the mounting lug 22. This protruding muscle of bar can be with mounting panel 21 the atress transmit to the body on, strengthen the structural strength to mounting panel 21 effectively. In addition, the triangular convex rib utilizes the structural characteristic of a triangle, so that the pulling force on the mounting lug 22 is enhanced, and the mounting lug 22 is effectively prevented from being easily deformed and damaged.

In another embodiment of the present application, referring to fig. 1, fig. 3 and fig. 10, the base 200 of the dishwasher includes a front baffle 201 located below the opening 101 of the inner container 100, the front baffle 201 is provided with a mounting seat 4, and the mounting seat 4 is provided with a stud 41. Referring to fig. 2, fig. 3 and fig. 9, the hinge frame 2 is mounted on the mounting seat 4, and the hinge frame 2 is provided with a fixing hole 25 corresponding to the position of the stud 41, so as to install a fastener, such as a screw, to penetrate and fix, thereby fixing the hinge frame 2 on the mounting seat 4. In the present embodiment, as shown in fig. 9 and 10, the studs 41 are respectively disposed at four corners of the mounting base 4, and the hinge connecting frame 2 has fixing holes 25 corresponding to the same number and positions thereof, so as to install fasteners such as screws for penetrating and fixing, thereby ensuring the fixing effect. Therefore, the hinge connecting frame 2 is arranged below the opening 101 of the inner container 100 and fixed on the front baffle 201 of the base 200, which is beneficial for the door hinge 1 installed on the hinge connecting frame 2 to be fixedly connected with the door body 300 covering the opening 101, and effectively plays a role in supporting the door body 300.

Referring to fig. 3 and 10, a boss 5 protruding outward is provided in front of the inner container 100, a surrounding edge 51 is provided on the boss 5, and an escape groove 52 corresponding to the door hinge 1 is provided on the surrounding edge 51. The boss 5 is adapted to the shape of the door 300 covering the opening 101 of the inner container 100, so that the door 300 is adapted to the front profile of the dishwasher, thereby effectively improving the overall aesthetic feeling. In addition, the peripheral edge 51 of the boss 5 is provided with an avoiding groove 52, when the door body 300 is closed on the opening 101 of the inner container 100, the door hinge 1 can be embedded in the avoiding groove 52, so that the door body 300 can be tightly covered on the opening 101 of the inner container 100, and the integration of the door body 300 and the front side of the dishwasher is effectively improved.

In addition, referring to fig. 3, 8 and 11, the bottom of the surrounding edge 51 is provided with an inclined surface 53 which is arranged to be separated from the mounting plate 21 on the hinge connecting frame 2, the surrounding edge 51 is provided with a limit groove 54 into which the end of the door hinge 1 is inserted, and the limit groove 54 is opened on the inclined surface 53 and corresponds to the position of the limit opening 213 on the mounting plate 21. Therefore, when the door 300 is fully opened, the end of the door hinge 1 is inserted into the limit opening 213 and simultaneously extends into the limit groove 54, and the inner wall of the limit groove 54 abuts against the abutting part 12 of the door hinge 1, so that the abutting area is increased, and the support strength is effectively improved.

In another embodiment of the present application, please refer to fig. 3, fig. 4 and fig. 10, an outlet 42 communicating with the inside of the base 200 is formed on the mounting seat 4, the hinge connecting frame 2 has a threading hole 26, and the threading hole 26 is located within a projection range of the outlet 42. The hinge connecting frame 2 is also provided with a wire harness clamp 27 adjacent to the threading hole 26, and the wire harness clamp 27 is isolated from the tension spring 3. In practical applications, the door 300 is usually provided with a control panel (not shown), and the connection circuit between the control panel and the internal components of the base 200 can be fixed by the wire harness clip 27 on the hinge frame 2, and pass through the threading hole 26 and the wire outlet 42 on the mounting seat 4 to connect to the internal components of the base 200, so as to effectively and reasonably set the routing of the connection circuit (not shown). The wire harness clip 27 and the tension springs 3 are separately disposed, in this embodiment, the wire harness clip 27 and the threading holes 26 are centrally disposed on the hinge connecting frame 2, and the pair of symmetrically disposed tension springs 3 are respectively disposed near the edge of the hinge connecting frame 2. Thus, the connection line fixed on the harness clip 27 is isolated from the tension spring 3, and mutual influence is effectively avoided.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A door hinge mechanism of a dish washing machine is characterized in that the door hinge mechanism is arranged on the front side of the dish washing machine and is arranged above and below an opening in front of the dish washing machine; the door hinge mechanism comprises a door hinge, a hinge connecting frame and a tension spring, and the tension spring is arranged on the hinge connecting frame; one end of the door hinge is fixed with a door body of the dishwasher, and the other end of the door hinge is connected with the tension spring and is arranged on the hinge connecting frame through a rivet; the door hinge takes the rivet as a shaft and rotates up and down along with the opening and closing of the door body, and the movement of the door body is limited under the action of the tension spring.

2. The door hinge mechanism of the dishwasher according to claim 1, wherein the hinge connecting frame is vertically arranged at the front side of the dishwasher, the upper end of the hinge connecting frame is provided with a mounting plate, the mounting plate is provided with a connecting lug, and the connecting lug is provided with a mounting hole of the rivet; the door hinge is provided with a first connecting hole corresponding to the mounting hole, and the rivet penetrates through the mounting hole and the first connecting hole so as to connect the door hinge with the connecting lug.

3. The door hinge mechanism of the dishwasher according to claim 2, wherein the mounting plate extends outward of the dishwasher and is arranged obliquely from bottom to top, and a limiting opening for limiting the rotation angle of the door hinge is arranged on the mounting plate; the tip of hinge is equipped with and butts the portion, the tip of hinge can imbed in the spacing mouthful, and make it with be located to hinder the portion the mounting panel plate body offsets.

4. The door hinge mechanism of the dishwasher according to claim 3, wherein the mounting plate is further provided with a reinforcing flange positioned at the edge of the limiting opening, and the reinforcing flange is turned outwards from the limiting opening.

5. The door hinge mechanism of the dishwasher according to claim 2, wherein the lower end of the hinge connecting frame is provided with a mounting lug for mounting the tension spring, and the mounting lug is provided with a hanging hole; the end part of the door hinge is provided with a second connecting hole, and two ends of the tension spring are respectively fastened with the hanging hole and the second connecting hole.

6. The door hinge mechanism of the dishwasher according to claim 5, wherein the two sides of the hinge connecting frame are respectively provided with a reinforcing flange, and the reinforcing flanges are integrally connected with the connecting lugs; the body of the hinge connecting frame is also provided with a reinforcing convex rib connected with the mounting plate and the mounting lug respectively.

7. A dish washing machine comprises an inner container, a base and a door body, wherein the inner container and the base are arranged up and down, and an opening for covering the door body is arranged in front of the inner container; the dishwasher is characterized by further comprising a door hinge mechanism of the dishwasher according to any one of claims 2 to 6, wherein the base comprises a front baffle plate positioned below the opening of the inner container, the front baffle plate is provided with a mounting seat, and the mounting seat is provided with a stud; the hinge connecting frame is arranged on the mounting seat, and a fixing hole corresponding to the stud is formed in the hinge connecting frame.

8. The dishwasher of claim 7, wherein a boss protruding outwards is arranged in front of the inner container, a surrounding edge is arranged on the boss, and an avoidance groove corresponding to the position of the door hinge is arranged on the surrounding edge.

9. The dishwasher of claim 8, wherein the bottom of the surrounding edge is provided with an inclined surface which is arranged to be away from the mounting plate on the hinge connecting frame, the surrounding edge is provided with a limiting groove for inserting the end part of the door hinge, and the limiting groove is arranged on the inclined surface and corresponds to the position of the limiting opening on the mounting plate.

10. The dishwasher of claim 7, wherein the mounting seat is provided with an outlet communicated with the inside of the base, the hinge connecting frame is provided with a threading hole, and the threading hole is positioned in the projection range of the outlet; the hinge connection frame is further provided with a wire harness clamp adjacent to the threading hole, and the wire harness clamp is isolated from the tension spring.

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