WO2019000625A1 - Cooking appliance - Google Patents

Abstract

A cooking appliance (1), comprising a body (10) and an oven door assembly (20). The body (10) forms a cavity body having an opening, and the oven door assembly (20) is provided on and covers the opening of the body (10) to close or open the body (10). The oven door assembly (20) comprises a door body (300), the door body (300) comprising a rotatable door body (302) and a folding door body (304) which are pivotally connected to each other, a first side edge of the rotatable door body (302) being in contact with a second side edge of the folding door body (304), the rotatable door body (302) being pivotally connected to the body (10), and the pivot axis of the rotatable door body (302), relative to the body (10), being parallel to the first side edge of the rotatable door body (302) or the second side edge of the folding door body (304). Said cooking appliance (1) separates the door body (300) of the oven door assembly (20) into the rotatable door body (302) and the folding door body (304) which are pivotally connected to each other, the rotatable door body (302) being mounted to the body (10) and pivoting relative to the body (10) so as to be opened or closed, the folding door body (304) being pivotable relative to the folding door body (304), and the pivot axes at these two positions being parallel to each other, such that when the oven door assembly (20) is opened, the door body (300) can be folded, reducing the space occupied for the door body (300) to rotate.

Description

Cooking utensils

The present application claims priority to Chinese Patent Application No. JP-A No. No. No. No. No. No. No. No. No. No. No. No.

Technical field

The present invention relates to the field of kitchen equipment technology, and in particular to a cooking appliance.

Background technique

As shown in FIG. 1, in the prior art cooking appliance 1', such as a microwave oven product structure, the oven door assembly 20' includes a structural member such as a facade glass (not shown), a facade 500', a door seal 600', a door hook 700', and the like. The design is a non-detachable integral structural member, and the door body 300' is combined with the door body to form the door assembly 20'. The existing door body 300' is generally an integral sheet metal member, and a door shaft plate (not shown) is fixed on the side of the door body 300'. After inserting a corresponding body hinge hole (not shown) in the assembly, The body hinge hole rotates the shaft to complete the opening and closing of the microwave oven door. The defect is that the opening of the door body 300' is too large when opening and closing, thereby affecting the customer experience.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, it is an object of the invention to provide a cooking appliance.

In view of the above, according to an aspect of the present invention, a cooking appliance includes: a body forming a cavity having an opening; and a furnace door assembly covering the opening of the body to close or open the body; Wherein, the furnace door assembly comprises: a door body comprising a rotary connecting door body and a folding door body, the first side of the rotating door body is in contact with the second side of the folding door body, and the rotating door body is rotatably connected to the body Upper, the axis of rotation of the revolving door body relative to the body is parallel to the first side of the revolving door body or the second side of the folding door body.

The cooking appliance provided by the invention comprises an open body and a furnace door assembly covering the opening, and the door body of the furnace door assembly is divided into a rotating connection rotating door body and a folding door body, and the first side of the rotating rotating door body is in contact The side and the second side of the folding door body are parallel to each other, and can be used as respective rotation axes. The rotating door body is mounted on the body and can be rotated and opened around the body, and the folding door body can be rotated around the folding door body and rotated at two places. The axes are parallel to each other, so that when the furnace door assembly is opened, the door body can be folded, thereby reducing the space required for the rotation of the door body, and overcoming the space occupied by the door body as a whole rotating around the body when the cooking appliance is opened and closed in the related art. Excessive defects.

In addition, the cooking appliance according to the above technical solution provided by the present invention may further have the following additional technical features:

In the above technical solution, preferably, at least one door hinge hole is provided on one of the revolving door body and the folding door body, and all the door body hinge holes are coaxially arranged; the other of the revolving door body and the folding door body At least one folding door rotating shaft is disposed, and the folding door rotating shaft is inserted in the door body hinge hole to rotate the folding door body around the axis of the door body hinge hole, and the folding door rotating shaft is matched with the door body hinge hole.

In this technical solution, the rotating door body and the folding door body can be hinged by providing an appropriate door hinge hole and a folding door rotating shaft on one and the other of the rotating door body and the folding door body. The two parts of the door body are connected together, so that the two can be flexibly rotated and folded.

In any one of the above aspects, preferably, the number of door hinge holes is two, respectively located at one of the first side of the rotating door body and the second side of the folding door body, the door hinge The axis of the hole is parallel to the first side of the revolving door body or the second side of the folding door body; the other of the revolving door body and the folding door body is provided with at least one folding door shaft plate, and the folding door rotating shaft is arranged to be folded On the door axle plate, the number of the folding door axle plates is two, which are respectively disposed at both ends of the other side of the first side edge of the rotating door body and the second side edge of the folding door body.

In this technical solution, an arrangement manner of the door hinge hole and the folding door rotation shaft is specifically defined. The first side of the revolving door body and the second side of the folding door body serve as rotation axes of the revolving door body and the folding door body, and the door body hinge hole and the folding door rotating shaft are disposed at both ends of the two side edges, It can ensure reliable hinge between the rotating door body and the folding door body, and can reduce the occupied space of the door hinge hole and the folding door rotating shaft, and is also convenient for installation. Because the machining hole is easier to realize and the strength is ensured compared with the existing shaft section on the existing structure, the door hinge hole is directly processed on one of the rotating door body and the folding door body, which is convenient for processing; Add corresponding folding door shaft plates and set the folding door shaft to fold On the door axle plate, it is not necessary to machine the protruding shaft section on the other of the rotating door body and the folding door body, which is convenient for processing, and ensures the strength of the folding door shaft and improves the reliability of the product.

In any of the above aspects, preferably, the folding door shaft plate is welded or fixed to the other of the revolving door body and the folding door body by the first fixing member.

In this technical solution, the folding door shaft plate is provided as a single part, and is welded or provided on the other of the revolving door body and the folding door body by means of the first fixing member, thereby realizing a reliable connection.

In any of the above aspects, preferably, the door body further includes: a seal sealing the first side of the rotating door body and the second side of the folding door body.

In this technical solution, by providing a sealing member at the joint of the rotating door body and the folding door body, the sealing function can be achieved, especially for a microwave oven, a steam oven, etc., to avoid leakage or steam overflow in the presence of a gap, and to ensure Use safety and cooking effects.

In any one of the above aspects, preferably, the door hinge hole is a through hole extending along one of the first side edge of the rotating door body and the second side of the folding door body, the door body hinge hole facing the rotating door body And the other of the folding door bodies is provided with an opening extending along one of the first side edge of the rotating door body and the second side edge of the folding door body; the folding door rotating shaft is along the first side edge of the rotating door body and folded The other of the second side of the door body extends, the folding door shaft is inserted into the door hinge hole along the length direction of the door hinge hole; the door body further includes two positioning members respectively disposed on the first side of the rotating door body The sides and the ends of the second side of the folding door body.

In this technical solution, another arrangement of the door hinge hole and the folding door shaft is specifically defined. Providing the door hinge hole as a through hole extending along the first side of the rotating door body or the second side of the folding door body and having an opening, the opening facing the second side of the folding door body or the first of the rotating door body a side edge, and at the same time, the folding door rotating shaft extends along the second side edge of the folding door body or the first side edge of the rotating door body, and the folding door rotating shaft is inserted into the hinge body along the length of the door hinge hole, so that the rotating door body and The close connection between the folding door bodies on the one hand enlarges the contact area of the two, so that the connection is reliable and the strength is high. On the other hand, the door body hinge hole is along the first side of the rotating door body or the second folding door body. The full length of the side is wrapped around the folding door shaft, which can simultaneously seal the cooking utensils without the addition of a sealing member. The structure is simple and reliable, and is easy to install. In addition, by providing a positioning member at each of the first side of the rotating door body and the second side of the folding door body, the mutual transmission of the rotating door body and the folding door body in the axial direction of the folding door rotating shaft can be restricted. Avoid folding the door body to slip and improve The reliability of the product.

In any one of the above aspects, preferably, at least one hinge is disposed on one of the body and the rotating door body, and the body hinge hole is disposed on the hinge, and all the body hinge holes are coaxially disposed; the other body and the rotating door body At least one rotating door shaft plate is disposed on the rotating door shaft plate, and the rotating door rotating shaft is inserted in the hinge hole of the body, so that the rotating door body rotates around the axis of the body hinge hole, and the rotating door shaft and the rotating door The body hinge holes are adapted.

In this technical solution, the body and the revolving door body can be hinged by connecting the body hinge hole and the revolving door shaft on one and the other of the body and the revolving door body, and the revolving door body can be connected. On the body, the two can flexibly rotate each other. By setting the corresponding revolving door shaft plate and arranging the revolving door shaft on the revolving door shaft plate, it is not necessary to machine the protruding shaft segment on the other of the body and the revolving door body, which is convenient for processing and ensures the revolving door shaft The strength of the product increases the reliability of the product.

In any of the above aspects, preferably, the revolving door shaft plate is welded or fixed to the other of the body and the revolving door body by the second fixing member.

In this solution, the revolving door shaft plate is provided as a separate part, which is welded or provided by the second fixing member on the other of the body and the revolving door body, so that a reliable connection is achieved.

In any one of the above aspects, preferably, the door body further comprises: at least one torsion spring located at a joint of the rotating door body and the folding door body, the rotating door body and the folding door body being opposite to each other under the force of the torsion spring Rotating in the direction, the axis of the torsion spring is parallel to the first side of the rotating door body or the second side of the folding door body, the torsion spring comprises two torsion arms; and at least two fixing brackets, the two fixing brackets will be the same The two torsion arms of the torsion spring are respectively fixed on the rotating door body and the folding door body; the furnace door assembly further comprises: a door hook, which is located on the folding door body, the door hook extends toward the body and has a hook shape at the end; The slot is closed and the door hook is adapted to the closed slot to allow the door assembly to close the body.

In the technical solution, a fixing bracket is fixed to each of the connecting sides of the rotating door body and the folding door body, and the fixing bracket fixes the torsion spring at the joint of the rotating door body and the folding door body, and rotates the door body under the action of the torsion spring force There is always a tendency for the rotating door to close under the folding door body, so that the door body can be automatically folded after the door assembly is opened, which not only reduces the space occupation but also facilitates the operation, and overcomes the defects of the current cooking utensils, such as the large space occupied by the opening and closing of the microwave oven door. . The other side of the folding door body is fixed with a door hook, and the door hook can be inserted into the inside of the body through the closing slot, so that the rotating door body and the folding door body are straightened and closed and fixed to the body without being under the action of the torsion spring force. Bounce open to achieve the function of sealing cooking utensils.

In any one of the above aspects, preferably, the fixing bracket comprises two connecting portions and a fixing portion, the fixing portion has a V-shaped cross section, the connecting portion has a plate shape, and the two connecting portions are respectively connected with the two ends of the fixing portion. The two connecting portions are coplanar, and the connecting portion is attached to the rotating door body or the folding door body, and the twisting arm is located between the fixed portion and the rotating door body or the folding door body.

In this technical solution, the shape of the fixing bracket is specifically defined. The fixing bracket comprises a fixing portion for fixing the twist arm and two connecting portions for connecting with the rotating door body or the folding door body. The fixing portion is V-shaped, and the twisting arm is located in the V-shaped angle to help avoid twisting. The arm is strung in the fixed part to make the torsion spring work reliably; the two connecting parts are coplanar so that both can be in full contact with the flat part of the rotating door body or the folding door body, thereby improving the contact area and ensuring product reliability. .

In any of the above aspects, preferably, the fixing portion is a unitary structure.

In the technical solution, the fixing portion is a one-piece structure, which is integrally formed, is convenient for production and manufacture, and improves the overall strength of the fixing portion, ensures the effective fixing of the torsion arm, and ensures reliable operation of the torsion spring.

In any of the above aspects, preferably, the torsion spring is located on a side of the rotating door body and the folding door body facing away from the body; the rotating door body and the folding door body are respectively provided with grooves on a side thereof facing away from the body, and the torsion spring is located In the groove.

In the technical solution, the torsion spring is disposed on a side of the rotating door body and the folding door body away from the body, which can protect the torsion spring from the environmental influences in the cooking utensil during cooking, such as corrosion of microwaves, high temperature steam, etc., and prolongs The service life of the torsion spring ensures the reliability of the operation of the furnace door assembly. Providing a groove on the side of the revolving door body and the folding door body away from the body provides a space for the torsion spring to make the door body flat and beautiful.

In any one of the above aspects, preferably, the oven door assembly further comprises: a facade glass, comprising a rotating facade glass and a folded facade glass, respectively covering the side of the rotating door body and the folding door body facing away from the body; The utility model comprises a rotating facade and a folding facade, which are respectively arranged on three sides of the rotating door body except the first side and three sides of the folding door body except the second side, and the front is located at the revolving door The body and the folding door body are away from the side of the body; the door seal comprises a rotating door seal and a folding door seal, and the two are respectively disposed on three sides of the rotating door body except the first side and the folding door body On the three sides other than the two sides, the door seal is located on the side of the revolving door body and the folding door body facing the body.

In this technical solution, since the door body needs to be folded after opening the door, the facade, the facade glass, and the door The seal also needs to be designed as a detachable structural member, which is a rotating facade, a folded facade, a rotating facade glass, a folded facade glass, a rotating door seal, and a folding door seal, which are respectively matched with the rotating door body and the folding door body by a hook. When the door is opened and closed, the rotating door body and the folding door body rotate relative to each other, and the assembled facade, the door seal and the facade glass also rotate.

In any of the above aspects, preferably, the opening is provided on a side wall and/or a top wall of the body.

In this technical solution, an arrangement scheme of the opening on the body is proposed. The opening may be disposed only on the side wall of the body, conforming to the current user's usage habits, or may be disposed only on the top wall of the body to accommodate the environment with limited horizontal space, and may also span the side wall and the top wall of the body at the same time. The open area is enlarged to facilitate the user to pick up the food, and accordingly, the oven door assembly covers the opening.

In any of the above aspects, preferably, the opening is disposed on one side wall of the body, and the third side of the side wall of the body is a common side of the side wall and the fourth side of the side wall of the body It is a common side with the top or bottom wall of the body, and the rotating door body is disposed on the third side or the fourth side of the side wall of the body.

In this technical solution, an arrangement of the openings is specifically defined. According to the current user's usage habits, the opening is arranged on one side wall of the body, preferably the front side wall provided with the control panel, which is convenient for the user to pick and place. The rotating door body can be disposed on the third side of the corresponding side wall, and the furnace door assembly is opened to the left and right in the horizontal direction, or can be disposed on the fourth side of the corresponding side wall, and the furnace door is opened up and down in the vertical direction. Components to suit different usage environments.

In any one of the above aspects, preferably, the opening includes a first opening and a second opening, the rotating door body covers the first opening, the folding door body covers the second opening, and the first opening is disposed on two adjacent side walls of the door body In one of the two, the second opening is disposed on the other of the two adjacent side walls of the door body.

In this technical solution, another arrangement of the openings is specifically defined. The opening includes a first opening and a second opening respectively disposed on the adjacent two side walls, and the rotating door body and the folding door body respectively cover the first opening and the second opening, and the furnace door can be opened from the horizontal direction The components expand the opening range of the cooking utensils, allowing the user to pick and place the ingredients. This setting is especially suitable for environments with plenty of space in the horizontal direction.

In any of the above aspects, preferably, the first opening and the second opening are connected or not.

In this technical solution, the first opening and the second opening may extend along the side wall of the same side in the direction in which the other party is located, and communicate at the common side of the two side walls, thereby fully expanding the opening range of the cooking appliance. The first opening and the second opening may not be in communication with each other, and the common side of the two side walls may be kept intact, thereby improving the strength of the body.

In any one of the above aspects, preferably, the opening includes a third opening and a fourth opening, the rotating door body covers the third opening, the folding door body covers the fourth opening, and the third opening is disposed on one side wall and the top of the door body On one of the walls, the fourth opening is disposed on the other of one of the side walls and the top wall of the door body.

In this technical solution, a further arrangement of the openings is specifically defined. The opening includes a third opening and a fourth opening respectively disposed on one side wall and the top wall, and the rotating door body and the folding door body respectively cover the third opening and the fourth opening, and the furnace door can be opened up and down from the vertical direction The components expand the opening range of the cooking utensils, allowing the user to pick and place the ingredients. This setting is especially suitable for environments with insufficient space in the horizontal direction, making full use of vertical space.

In any of the above aspects, preferably, the third opening and the fourth opening are connected or not.

In this technical solution, the third opening and the fourth opening may extend along the side wall or the top wall of the same side in the direction in which the other party is located, and communicate at the common side of the side wall and the top wall, thereby fully expanding the cooking utensils. The opening range; the third opening and the fourth opening may also not communicate with each other, and the common side of the side wall and the top wall may be kept intact, thereby improving the strength of the body.

Additional aspects and advantages of the invention will be apparent from the description of the invention.

DRAWINGS

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

1 is a schematic structural view of a cooking appliance in the related art;

2 is a schematic structural view of a cooking appliance in an opening process in an embodiment of the present invention;

Figure 3 is a schematic view showing the structure of the cooking appliance when the oven door assembly is closed in another embodiment of the present invention;

Figure 4 is a schematic view showing the structure of a cooking appliance when the door assembly is partially opened in another embodiment of the present invention;

Figure 5 is an exploded view of a cooking appliance in another embodiment of the present invention;

6 is a schematic structural view of a side of a door body facing the body in an unfolded state according to an embodiment of the present invention;

Figure 7 is a schematic view showing the structure of a side of the door body facing away from the body in an unfolded state according to an embodiment of the present invention;

Figure 8 is a partial enlarged view of the portion A of Figure 7 in an embodiment of the present invention;

Figure 9 is an exploded view of the side of the door body facing the body in one embodiment of the present invention;

Figure 10 is an exploded view of the side of the door body facing away from the body in one embodiment of the present invention;

Figure 11 is a partial enlarged view of the portion B of Figure 10 in an embodiment of the present invention;

Figure 12 is a schematic view showing the structure of the revolving door body facing the body in an embodiment of the present invention;

Figure 13 is a schematic view showing the structure of the side of the revolving door body facing away from the body in one embodiment of the present invention;

Figure 14 is a schematic view showing the structure of a door body toward a side of the body during rotation in an embodiment of the present invention;

Figure 15 is a schematic view showing the structure of a side of the door body facing away from the body during rotation in an embodiment of the present invention;

Figure 16 is a schematic view showing the structure of the door body when it is assembled on the body and closed after being attached to the body;

Figure 17 is a partial enlarged view of the portion C of Figure 16 in another embodiment of the present invention;

18 is a schematic structural view showing a door body partially assembled when the door body is assembled on the body according to another embodiment of the present invention;

Figure 19 is a schematic view showing the structure of the door body when it is fully opened after being assembled on the body in another embodiment of the present invention.

Wherein, the correspondence between the reference numerals and the component names in FIG. 1 is:

1' cooking appliance, 10' body, 20' oven door assembly, 300' door body, facade 500', door seal 600', door hook 700';

The correspondence between the reference numerals and the part names in FIGS. 2 to 19 is:

1 cooking utensils, 10 bodies, 100 hinges, 102 body hinge holes, 20 furnace door assemblies, 300 door bodies, 302 revolving door bodies, 3022 revolving door shaft plates, 3024 revolving door shafts, 3026 door hinges Hole, 304 folding door body, 3042 folding door shaft plate, 3044 folding door shaft, 306 fixing bracket, 3062 connecting part, 3064 fixing part, 308 torsion spring, 3082 torsion arm, 400 facade glass, 402 rotating facade glass, 404 folding facade Glass, 500 facade, 502 rotating facade, 504 folding facade, 600 door seal, 602 revolving door seal, 604 folding door seal, 700 door hook.

Detailed ways

The present invention will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a full understanding of the invention, but the invention may be practiced otherwise than as described herein. Limitations of the embodiments.

A cooking appliance 1 according to some embodiments of the present invention is described below with reference to FIGS. 2 through 19.

As shown in Figures 2, 16, and 18, an embodiment of the first aspect of the present invention provides a cooking appliance 1 comprising: a body 10 forming a cavity having an opening; and a furnace door assembly 20 covering Disposed on the opening of the body 10 to close or open the body 10; wherein the oven door assembly 20 comprises: a door body 300 comprising a rotatably connected revolving door body 302 and a folding door body 304, the first side of the revolving door body 302 The side is in contact with the second side of the folding door body 304. The rotating door body 302 is rotatably coupled to the body 10. The rotating door body 302 is opposite to the axis of rotation of the body 10 and the first side of the rotating door body 302 or the folding door body. The second sides of 304 are parallel to each other.

The cooking appliance 1 provided by the present invention comprises an open body 10 and a furnace door assembly 20 covering the opening, and the door body 300 of the door assembly 20 is divided into a rotating connection rotating door body 302 and a folding door body 304, which are in contact with each other. The first side edge of the rotating door body 302 and the second side edge of the folding door body 304 are parallel to each other, and can be used as respective rotation axes. The rotating door body 302 is mounted on the body 10 and can be rotated and opened around the body 10 to fold the door body. The 304 can be rotated about the folding door body 304, and the two rotation axes are parallel to each other, so that when the door assembly 20 is opened, the door body 300 can be folded, thereby reducing the space required for the rotation of the door body 300, and the related art is overcome. When the middle cooking appliance 1 is opened and closed, the door body 300 as a whole rotates around the body 10 to occupy a space that is too large. Specifically, the cooking appliance 1 is a microwave oven, a steam oven, or the like.

As shown in FIG. 10 and FIG. 11, in an embodiment of the present invention, preferably, at least one door hinge hole 3026 is provided on one of the rotating door body 302 and the folding door body 304, and all the door hinge holes 3026 are provided. Coaxial arrangement; at least one of the revolving door body 302 and the folding door body 304 is provided with at least one folding door rotating shaft 3044, and the folding door rotating shaft 3044 is inserted in the door body hinge hole 3026 so that the folding door body 304 surrounds the door body The axis of the hinge hole 3026 is rotated, and the folding door shaft 3044 is adapted to the door hinge hole 3026.

In this embodiment, the revolving door body 302 and the folding door body can be made by providing the fitting door hinge hole 3026 and the folding door rotating shaft 3044 on one and the other of the revolving door body 302 and the folding door body 304. The 304 is hinged to connect the two sections of the door body 300 together, and the two can be flexibly rotated and folded with each other.

As shown in FIG. 10 and FIG. 11, in one embodiment of the present invention, preferably, the number of door hinge holes 3026 is two, respectively located at the first side of the rotating door body 302 and the first of the folding door body 304. At both ends of one of the two sides, the axis of the door hinge hole 3026 is parallel to the first side of the revolving door body 302 or the second side of the folding door body 304; in the revolving door body 302 and the folding door body 304 The other is provided with at least one folding door shaft plate 3042, and the folding door rotating shaft 3044 is disposed on the folding door shaft plate 3042. The number of folding door shaft plates 3042 is two, respectively disposed on the first side of the rotating door body 302 and Both ends of the other of the second sides of the door body 304 are folded.

In this embodiment, an arrangement of the door hinge hole 3026 and the folding door hinge 3044 is specifically defined. The first side of the revolving door body 302 and the second side of the folding door body 304 serve as rotation axes of the revolving door body 302 and the folding door body 304, and the door body hinge hole 3026 and the folding door rotating shaft 3044 are disposed on the two sides Both ends of the side can ensure reliable hinge between the rotating door body 302 and the folding door body 304, and can reduce the occupied space of the door hinge hole 3026 and the folding door rotating shaft 3044, and is also convenient for installation. Since the machining hole is easier to realize and the strength is ensured compared to the existing shaft section on the existing structure, the door hinge hole 3026 is directly processed on one of the rotary door body 302 and the folding door body 304, which is convenient. Processing; by adding a corresponding folding door shaft plate 3042 and arranging the folding door shaft 3044 on the folding door shaft plate 3042, it is not necessary to machine the protruding shaft segments on the other of the rotating door body 302 and the folding door body 304, It is easy to process and ensures the strength of the folding door shaft 3044, which improves the reliability of the product. Optionally, a folding door shaft plate 3042 is fixed on the second side of the folding door body 304. The folding door shaft plate 3042 is provided with a cylindrical folding door rotating shaft 3044, and the first side of the rotating door body 302 is rotated. There is a door hinge hole 3026. When the rotating door body 302 is hinged with the folding door body 304, the cylindrical folding door rotating shaft 3044 on the folding door shaft plate 3042 is inserted into the door hinge hole 3026 on the rotating door body 302, and the door body is folded. 304 can rotate about the revolving door body 302 with the door hinge hole 3026 as the axis.

In one embodiment of the invention, preferably, the folding door axle plate 3042 is welded or secured to the other of the revolving door body 302 and the folding door body 304 by a first fixing member.

In this embodiment, the folding door axle plate 3042 is provided as a separate piece for welding or by means of the first fixing member on the other of the revolving door body 302 and the folding door body 304, achieving a reliable connection.

In one embodiment of the invention, preferably, the door body 300 further includes a seal that covers the first side of the revolving door body 302 and the second side of the folding door body 304.

In this embodiment, by providing a seal at the joint of the rotary door body 302 and the folding door body 304, it is possible to provide a sealing function, especially for a microwave oven, a steam oven, etc., to avoid leakage or steam overflow in the presence of a gap. To ensure safe use and cooking.

In an embodiment of the present invention, preferably, the door hinge hole 3026 is a through hole extending along one of the first side of the rotary door body 302 and the second side of the folding door body 304, the door hinge hole 3026 is provided with an opening toward the other of the revolving door body 302 and the folding door body 304, the opening extending along one of the first side of the rotating door body 302 and the second side of the folding door body 304; the folding door rotating shaft 3044 along The other side of the first side of the revolving door body 302 and the second side of the folding door body 304 extend, and the folding door pivot shaft 3044 is inserted into the door body hinge hole 3026 along the length direction of the door body hinge hole 3026; the door body 300 is also Two positioning members are provided, which are respectively disposed at the first side of the rotating door body 302 and the two ends of the second side of the folding door body 304.

In this embodiment, another arrangement of the door hinge hole 3026 and the folding door shaft 3044 is specifically defined. The door hinge hole 3026 is provided as a through hole extending along the first side of the rotary door body 302 or the second side of the folding door body 304 and having an opening facing the second side or the revolving door of the folding door body 304 The first side of the body 302, while the folding door pivot 3044 extends along the second side of the folding door 304 or the first side of the rotating door 302, and the folding door shaft 3044 is mounted along the door hinge hole 3026 during installation. The length direction is inserted therein, so that the rotating door body 302 and the folding door body 304 are closely connected, on the one hand, the contact area of the two is enlarged, so that the connection is reliable and the strength is high. On the other hand, the door hinge hole 3026 is along the revolving door. The first side of the body 302 or the second side of the folding door 304 The folding of the folding door shaft 3044 can be used for sealing at the same time, and the sealing of the cooking appliance 1 can be realized without adding a sealing member, and the structure is simple and reliable, and the installation is convenient. Further, by arranging a positioning member at each of the first side of the revolving door body 302 and the second side of the folding door body 304, the axis of the revolving door body 302 and the folding door body 304 along the folding door rotating shaft 3044 can be restricted. The mutual drive of the direction avoids the sliding of the folding door body 304, thereby improving the reliability of the product. Optionally, the second side of the folding door body 304 is provided with a folding door rotating shaft 3044, and the first side of the rotating door body 302 is provided with a door body hinge hole 3026.

As shown in FIGS. 5-7, 9, 10, 12, and 13, in one embodiment of the present invention, preferably, at least one hinge 100 is provided on one of the body 10 and the revolving door body 302. The hinge 100 is provided with a body hinge hole 102, and all the body hinge holes 102 are coaxially disposed; the other of the body 10 and the rotating door body 302 is provided with at least one rotating door shaft plate 3022, and the rotating door shaft plate 3022 is provided The revolving door shaft 3024 is inserted into the body hinge hole 102 to rotate the revolving door body 302 about the axis of the body hinge hole 102, and the revolving door shaft 3024 is adapted to the body hinge hole 102.

In this embodiment, the body 10 and the revolving door body 302 can be hinged by providing a matching body hinge hole 102 and a revolving door shaft 3024 on one and the other of the body 10 and the revolving door body 302. The revolving door body 302 can be coupled to the body 10, and the two can be flexibly rotated relative to each other. By providing the corresponding revolving door shaft plate 3022 and arranging the revolving door shaft 3024 on the revolving door shaft plate 3022, it is not necessary to machine the protruding shaft segments on the other of the body 10 and the revolving door body 302, which is convenient for processing, and The strength of the revolving door shaft 3024 is ensured, and the reliability of the product is improved. Optionally, the rotating door body 302 is fixed with a rotating door shaft plate 3022. The rotating door shaft plate 3022 is provided with a cylindrical rotating door rotating shaft 3024. The body 10 is fixed with a hinge 100, and the hinge 100 is provided with a body hinge hole 102. The revolving door shaft 3024 is inserted into the body hinge hole 102. The rotating door body 302 can rotate around the body 10 with the body hinge hole 102 as an axis, so that the rotating door body 302 is hinged on the body 10.

In one embodiment of the invention, preferably, the revolving door shaft plate 3022 is welded or secured to the other of the body 10 and the revolving door body 302 by a second fixing member.

In this embodiment, the revolving door shaft plate 3022 is provided as a separate piece for welding or by means of a second fixing member on the other of the body 10 and the revolving door body 302, achieving a reliable connection.

As shown in FIG. 5, FIG. 8, FIG. 11, FIG. 14, FIG. 15, FIG. 17, and FIG. 19, in an embodiment of the present invention, preferably, the door body 300 further includes: at least one torsion spring 308 located at At the junction of the revolving door body 302 and the folding door body 304, the revolving door body 302 and the folding door body 304 are rotated in the direction of each other under the force of the torsion spring 308, and the axis of the torsion spring 308 and the first of the revolving door body 302 The second side of the side or folding door body 304 is parallel, the torsion spring 308 includes two torsion arms 3082, and at least two fixing brackets 306. The two fixing brackets 306 respectively fix the two torsion arms 3082 of the same torsion spring 308. On the revolving door body 302 and the folding door body 304; the oven door assembly 20 further includes: a door hook 700 on the folding door body 304, the door hook 700 extending toward the body 10 and having a hook shape at the end; the body 10 is provided with a closing The slot, door hook 700 is adapted to the closed slot to enclose the door assembly 20 with the door assembly 20.

In this embodiment, a fixing bracket 306 is fixed to each of the connecting sides of the rotating door body 302 and the folding door body 304. The fixing bracket 306 fixes the torsion spring 308 at the joint of the rotating door body 302 and the folding door body 304 at the torsion spring. Under the action of force, there is always a tendency of the force rotation to close between the rotating door body 302 and the folding door body 304. As shown in Fig. 14, Fig. 15, and Fig. 19, the single arrow arc shows the direction of the torsion spring force, and the double arrow curve The rotation direction of the revolving door body 302 and the folding door body 304 is shown, so that the door assembly 300 can be automatically folded after the door assembly 20 is opened, which reduces space occupation and is easy to operate, and overcomes the current cooking appliance 1, such as the opening and closing of the microwave oven door. A defect that takes up a lot of space. The other side of the folding door body 304 is fixed with a door hook 700. The door hook 700 can be inserted into the body 10 through the closing slot, so that the rotating door body 302 and the folding door body 304 are straightened and closed and fixed to the body 10 without being twisted. The spring 308 is bounced under the force of the force to achieve the function of sealing the cooking appliance 1.

As shown in FIG. 11, in one embodiment of the present invention, preferably, the fixing bracket 306 includes two connecting portions 3062 and a fixing portion 3064. The fixing portion 3064 has a V-shaped cross section, and the connecting portion 3062 has a plate shape. The connecting portions 3062 are respectively connected to the two ends of the fixing portion 3064, the two connecting portions 3062 are coplanar, the connecting portion 3062 is attached to the rotating door body 302 or the folding door body 304, and the twisting arm 3082 is located at the fixing portion 3064 and the revolving door The body 302 or the folding door body 304.

In this embodiment, the shape of the fixing bracket 306 is specifically defined. The fixing bracket 306 includes a fixing portion 3064 for fixing the twisting arm 3082 and two connecting portions 3062 for connecting with the rotating door body 302 or the folding door body 304. The fixing portion 3064 is V-shaped, and the twisting arm 3082 is located in the V-shaped clip. In the corner, it helps to avoid the twisting arm 3082 striding in the fixing portion 3064, so that the torsion spring 308 works reliably; the two connecting portions The 3062 is coplanar so that both can be in full contact with the flat portion of the revolving door body 302 or the folding door body 304, thereby improving the contact area and ensuring product reliability.

In an embodiment of the invention, preferably, the fixing portion 3064 is of a unitary structure.

In this embodiment, the fixing portion 3064 is a one-piece structure, which is integrally formed, is convenient for manufacturing, and improves the overall strength of the fixing portion 3064, thereby ensuring effective fixing of the twisting arm 3082, and ensuring reliable operation of the torsion spring 308.

As shown in FIGS. 16 and 17, in one embodiment of the present invention, preferably, the torsion spring 308 is located on a side of the revolving door body 302 and the folding door body 304 facing away from the body 10; the revolving door body 302 and the folding door body 304 Grooves are respectively provided on the side facing away from the body 10, and the torsion spring 308 is located in the recess.

In this embodiment, the torsion spring 308 is disposed on the side of the revolving door body 302 and the folding door body 304 facing away from the body 10 to protect the torsion spring 308 from the environment within the cooking appliance 1 during cooking, such as microwaves, high temperature steam Corrosion, etc., prolongs the service life of the torsion spring 308, ensuring the reliability of the operation of the furnace door assembly 20. Providing a groove on the side of the revolving door body 302 and the folding door body 304 away from the body 10 provides a space for the torsion spring 308 to make the door body 20 flat and beautiful.

As shown in FIG. 2 to FIG. 5, in an embodiment of the present invention, preferably, the oven door assembly 20 further includes: a facade glass 400 including a rotating facade glass 402 and a folded facade glass 404, which are respectively disposed to be rotated. The door body 302 and the folding door body 304 face away from the side of the body 10; the facade 500 includes a rotating facade 502 and a folded facade 504, which are respectively disposed on three sides of the rotating door body 302 except the first side And on the three sides of the folding door body 304 except the second side, the facade 500 is located on the side of the rotating door body 302 and the folding door body 304 facing away from the body 10; the door seal 600, including the rotating door seal 602 and the folding door seal 604, the two are respectively disposed on three sides of the rotating door body 302 except the first side and three sides of the folding door body 304 except the second side, and the door seal 600 is located at the rotating door body 302. And the folding door body 304 faces one side of the body 10.

In this embodiment, since the door body 300 needs to be folded after opening the door, the facade 500, the facade glass 400, and the door seal 600 also need to be designed as detachable structural members, which are respectively a rotating facade 502, a folded facade 504, and a rotating facade glass. 402. The folding facade glass 404, the rotating door seal 602, and the folding door seal 604 are respectively matched with the rotating door body 302 and the folding door body 304 by a hook. When the door is opened and closed, the rotating door body 302 and the folding door body 304 are relatively rotated. The assembled facade 500, the door seal 600, and the facade glass 400 also rotate.

As shown in FIGS. 2 to 5, 16, 18 and 19, in one embodiment of the invention, preferably, the openings are provided on the side walls and/or the top wall of the body 10.

In this embodiment, an arrangement of the opening on the body 10 is proposed. The opening may be disposed only on the side wall of the body 10, in accordance with the current user's usage habits, or may be disposed only on the top wall of the body 10 to accommodate an environment with limited horizontal space, and may also span the side wall of the body 10 and The top wall enlarges the open area for the user to pick up and place the food, and correspondingly, the oven door assembly 20 covers the opening.

As shown in FIG. 2, in an embodiment of the present invention, preferably, the opening is disposed on one side wall of the body 10, and the third side of the side wall of the body 10 is a common side of the adjacent side wall. The fourth side of the side wall of the body 10 is a common side with the top or bottom wall of the body 10, and the revolving door body 302 is disposed on the third side or the fourth side of the side wall of the body 10.

In this embodiment, an arrangement of the openings is specifically defined. According to the current user's usage habits, the opening is disposed on one side wall of the body 10, preferably the front side wall provided with the control panel, so that the user can pick up and drop. The rotating door body 302 can be disposed on the third side of the corresponding side wall, and the furnace door assembly 20 can be opened to the left and right in the horizontal direction, or can be disposed on the fourth side of the corresponding side wall, and can be opened up and down in the vertical direction. The furnace door assembly 20 is adapted to different usage environments. In particular, when the body 10 is in a special shape such as a cylindrical shape, the furnace door assembly 20 can be disposed according to the specific form of the body 10, such as an opening is provided on the curved side wall, and the rotating door body 302 is disposed at the opening. One of the two vertical sides is opened to open the door assembly 20 left and right.

When the opening is disposed on the top wall, similarly, the revolving door body 302 can be disposed on different sides to enable the left and right opening of the oven door assembly 20 or the front and rear opening of the door assembly 20. These are also embodiments of the invention, and such implementations and other achievable manners will be apparent to those skilled in the art.

In an embodiment of the invention, preferably, the opening comprises a first opening and a second opening, the rotating door body 302 covers the first opening, the folding door body 304 covers the second opening, and the first opening is disposed on the two sides of the door body 300 On one of the adjacent side walls, the second opening is disposed on the other of the two adjacent side walls of the door body 300.

In this embodiment, another arrangement of the openings is specifically defined. The opening includes a first opening and a second opening respectively disposed on the adjacent two side walls, and the rotating door body 302 and the folding door body 304 respectively cover the first opening and the second opening, and can be opened from the horizontal direction Furnace door assembly 20, enlarged The opening range of the cooking appliance 1 is convenient for the user to pick up and place the food. This setting is especially suitable for environments with plenty of space in the horizontal direction.

In an embodiment of the invention, preferably, the first opening and the second opening are in communication or not.

In this embodiment, the first opening and the second opening may extend along the side wall where the one is located toward the other side, and communicate at the common side of the two side walls, fully expanding the opening range of the cooking appliance 1; The first opening and the second opening may also not communicate with each other, and the common side of the two side walls may be kept intact, thereby improving the strength of the body 10.

As shown in FIG. 3 to FIG. 5, FIG. 16, FIG. 18 and FIG. 19, in an embodiment of the present invention, preferably, the opening includes a third opening and a fourth opening, and the rotating door body 302 covers the third opening, and is folded. The door body 304 covers the fourth opening, the third opening is disposed on one of the side walls and the top wall of the door body 300, and the fourth opening is disposed on the other of one of the side walls and the top wall of the door body 300.

In this embodiment, a further arrangement of the openings is specifically defined. The opening includes a third opening and a fourth opening respectively disposed on one side wall and the top wall, and the rotating door body 302 and the folding door body 304 respectively cover the third opening and the fourth opening, and can open up and down from the vertical direction The oven door assembly 20 expands the opening range of the cooking appliance 1 to facilitate the user to pick up and place the food. This setting is especially suitable for environments with insufficient space in the horizontal direction, making full use of vertical space.

In an embodiment of the invention, preferably, the third opening and the fourth opening are in communication or not.

In this embodiment, the third opening and the fourth opening may extend along the side wall or the top wall of the side facing the other side, and communicate at the common side of the side wall and the top wall, thereby fully expanding the cooking utensil 1 The opening range of the third opening and the fourth opening may not be in communication with each other, and the common side of the side wall and the top wall may be kept intact, thereby improving the strength of the body 10.

In summary, the present invention provides a cooking appliance 1, such as a microwave oven, a steam oven, etc., comprising a furnace door assembly 20 and a body 10, the furnace door assembly 20 being hinged on the body 10, by the door body 300, the facade glass 400, the facade 500, the door seal 600, the door hook 700 and the like are composed of components. By using the assembly between the plurality of rotating shafts and the hinge 100 hole and the torsion spring, the furnace door assembly 20 forms two relatively movable systems, in which the opening and closing action is performed. In the middle, the door body 300 can be relatively rotated, folded and straightened inside, which reduces the space volume occupation. The use of the oven door assembly 20 is as follows: before the door opening action begins, the revolving door The body 302 and the folding door body 304 are in a stretched state (horizontal or vertical). When the user pulls the oven door, the door hook 700 is separated from the inside of the cooking appliance 1, and the rotating door body 302 and the folding door body 304 as a whole are hinged to the body. 102 is the shaft rotation, the furnace door assembly 20 is opened, and the torsion spring force rotates the folding door body 304 relative to the rotating door body 302. When the furnace door assembly 20 is opened, the interiors of the door body 300 are folded to each other to reduce space occupation. The facade 500, the door seal 600, and the facade glass 400 assembled with the door body 300 are also folded at the same time. When the door is closed, the user pulls the folding door body 304 to rotate the folding door body 304 against the torsion spring torque relative to the rotating door body 302. After the door body 304 and the rotating door body 302 are stretched (horizontal or vertical) The facade 500, the door seal 600, and the facade glass 400 assembled with the door body 300 are also in a stretched state (horizontal or vertical), and the rotary door body 302 is rotated to a position to close the body 10 and push the door body 300 to make the door hook 700 is inserted into the interior of the cooking appliance 1 to complete the closing action of the oven door assembly 20.

In the present invention, the term "plurality" means two or more, unless specifically defined otherwise. The terms "installation", "connected", "connected", "fixed" and the like should be understood broadly. For example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "connected" may They are directly connected or indirectly connected through an intermediary. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in the present invention. At least one embodiment or example. In the present specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims (19)

A cooking appliance comprising: a body forming a cavity having an opening; and a furnace door assembly, the cover being disposed on the opening of the body to close or open the body; Wherein the furnace door assembly comprises: a door body comprising a rotatably connected revolving door body and a folding door body, a first side of the revolving door body contacting a second side of the folding door body, the revolving door body being rotatably coupled to the In the body, the rotating door body is parallel to the first side of the rotating door body or the second side of the folding door body with respect to an axis of rotation of the body. A cooking appliance according to claim 1 wherein: At least one door hinge hole is disposed on one of the rotating door body and the folding door body, and all the door body hinge holes are coaxially disposed; At least one folding door rotating shaft is disposed on the other of the rotating door body and the folding door body, and the folding door rotating shaft is inserted in the door body hinge hole to surround the folding door body The axis of the door hinge hole rotates, and the folding door shaft is adapted to the door body hinge hole. A cooking appliance according to claim 2, wherein The number of the door hinge holes is two, respectively located at two ends of the first side of the revolving door body and the second side of the folding door body, the door body An axis of the hinge hole is parallel to the first side of the revolving door body or the second side of the folding door body; At least one folding door shaft plate is disposed on the other of the rotating door body and the folding door body, the folding door rotating shaft is disposed on the folding door shaft plate, and the number of the folding door shaft plates is two And respectively disposed at two ends of the other of the first side of the revolving door body and the second side of the folding door body. A cooking appliance according to claim 3, wherein The folding door axle plate is welded or fixed to the other of the revolving door body and the folding door body by a first fixing member. The cooking appliance according to claim 3, wherein the door body further comprises: a seal sealing the first side of the revolving door body and the folding door The second side of the body. A cooking appliance according to claim 2, wherein The door body hinge hole is a through hole extending along one of the first side edge of the swing door body and the second side edge of the folding door body, the door body hinge hole facing the The other of the revolving door body and the folding door body is provided with an opening extending along one of the first side edge of the revolving door body and the second side of the folding door body ; The folding door pivot extends along the other of the first side of the revolving door body and the second side of the folding door body, the folding door pivot axis along the door body hinge hole Inserting the length direction into the door hinge hole; The door body further includes two positioning members respectively disposed at the first side of the rotating door body and the two ends of the second side of the folding door body. A cooking appliance according to any one of claims 1 to 6, wherein At least one hinge is disposed on one of the body and the rotating door body, and the hinge is provided with a body hinge hole, and all the body hinge holes are coaxially disposed; At least one rotating door shaft plate is disposed on the other of the body and the rotating door body, the rotating door shaft plate is provided with a rotating door rotating shaft, and the rotating door rotating shaft is inserted in the body hinge hole a rotation of the revolving door body about an axis of the body hinge hole, the revolving door shaft being adapted to the body hinge hole. A cooking appliance according to claim 7, wherein The revolving door shaft plate is welded or fixed to the other of the body and the revolving door body by a second fixing member. A cooking appliance according to any one of claims 1 to 6, wherein The door body further includes: At least one torsion spring located at a joint of the revolving door body and the folding door body, the revolving door body and the folding door body rotating in a direction of each other under the force of the torsion spring The axis of the torsion spring is parallel to the first side of the revolving door body or the second side of the folding door body, the torsion spring comprising two torsion arms; At least two fixing brackets, wherein the two fixing brackets respectively fix the two twisting arms of the same torsion spring on the rotating door body and the folding door body; The oven door assembly further includes: a door hook on the folding door body, the door hook extending toward the body and having a hook shape at the end; The body is provided with a closing groove, and the door hook is adapted to the closing groove to close the door assembly. A cooking appliance according to claim 9, wherein The fixing bracket includes two connecting portions and a fixing portion. The fixing portion has a V-shaped cross section, and the connecting portion has a plate shape, and the two connecting portions are respectively connected to both ends of the fixing portion. Two connecting portions are coplanar, the connecting portion is attached to the rotating door body or the folding door body, and the twisting arm is located at the fixing portion and the rotating door body or the folding door body between. A cooking appliance according to claim 10, wherein The fixing portion is a unitary structure. A cooking appliance according to claim 9, wherein The torsion spring is located on a side of the rotating door body and the folding door body facing away from the body; The revolving door body and the folding door body are respectively provided with grooves on a side thereof facing away from the body, and the torsion spring is located in the groove. The cooking appliance according to any one of claims 1 to 6, wherein the oven door assembly further comprises: a facade glass comprising a rotating facade glass and a folded facade glass, respectively disposed on a side of the rotating door body and the folding door body facing away from the body; a fascia comprising a rotating façade and a folded façade respectively disposed on three sides of the revolving door body except the first side and the folding door body except the second side The three sides are located on a side of the rotating door body and the folding door body facing away from the body; a door seal, comprising a revolving door seal and a folding door seal, respectively disposed on three sides of the revolving door body except the first side and the folding door body except the second side On the other three sides, the door seal is located on a side of the revolving door body and the folding door body facing the body. A cooking appliance according to any one of claims 1 to 6, wherein The opening is disposed on a side wall and/or a top wall of the body. A cooking appliance according to claim 14 wherein: The opening is disposed on one side wall of the body, and the third side of the side wall of the body Is a common side with the adjacent side walls, the fourth side of the side wall of the body being a common side with the top or bottom wall of the body, the rotating door body being disposed on the body The third side or the fourth side of the side wall. A cooking appliance according to claim 14 wherein: The opening includes a first opening and a second opening, the rotating door body covers the first opening, the folding door body covers the second opening, and the first opening is disposed at two phases of the door body On one of the adjacent side walls, the second opening is disposed on the other of the two adjacent side walls of the door body. A cooking appliance according to claim 16 wherein: The first opening and the second opening are connected or not connected. A cooking appliance according to claim 14 wherein: The opening includes a third opening and a fourth opening, the rotating door body covers the third opening, the folding door body covers the fourth opening, and the third opening is disposed at one side of the door body On one of the wall and the top wall, the fourth opening is disposed on the other of one of the side walls and the top wall of the door body. A cooking appliance according to claim 18, wherein The third opening and the fourth opening are connected or not connected.

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