Box-type cooking electric appliance with vertical hinged door

Abstract

The utility model discloses a box-type cooking electric appliance with a vertical hinged door, which comprises a box body with a cooking cavity, one side of the cooking cavity is shielded by the vertical hinged door, an upper hinged support and a lower hinged support are arranged on one longitudinal edge, corresponding to the vertical hinged door, of the box body, the vertical hinged door is provided with a door spindle, an upper bearing plate and a lower bearing plate, and at least one bearing plate is supported on the hinged supports. The door shaft is vertically and movably arranged on the vertical hinged door, one end of the door shaft penetrates through one group of hinged supports and the bearing plate, and an avoiding position is arranged at one end of the vertical hinged door corresponding to the door shaft; the other end of the door shaft is connected with the other set of hinged support and bearing plate in an inserted mode, an elastic piece is further arranged between the door shaft and the vertical hinged door, and the elastic piece enables the door shaft to have the movement tendency of being inserted in the direction of the other set of hinged support and bearing plate. The door shaft is pressed downwards, one end of the door shaft is separated from one hinged support, then the door shaft is obliquely placed through the gap between the periphery of the door shaft and the bearing plate, the end, separated from the hinged support, of the door shaft can be further horizontally staggered with the hinged support, the door shaft can be detached conveniently, and the vertical hinged door can be detached.

Description

Technical Field

[0001] The utility model relates to a box-type cooking appliance, in particular to a box-type cooking appliance with a swing door. Background Art

[0002] Chinese patent document CN105757740A, published on July 13, 2016, discloses a die-casting method for oven or microwave oven door hinges. The method is characterized in that the existing stamped door hinge is cast into a hinge plate and a door axis plate using a die-casting machine, wherein the hinge plate is fixed to the housing, and the door axis plate is fixed to the door. Two hinge plates are provided, which are installed on the housing in an upper and lower distribution. The door axis plate corresponds to two bracket plates, and a connecting plate is provided at each of its upper and lower ends. The connecting plate is provided with an axis hole that cooperates with the rotating shaft on the hinge plate. The door axis plate of this structure is connected between the upper and lower hinge plates. When the hinge plate is connected to the housing, it must be installed with the door axis plate connected to the two hinge plates. Since the door hinge is a casting, it is heavy, which increases the labor intensity during installation. In addition, the door axis plate is connected to the door body by a number of screws, which makes disassembly and assembly troublesome.

[0003] Separately, Chinese patent document CN220832758U, published on April 26, 2024, discloses a dual-cavity cooking appliance comprising a housing and two cooking cavities disposed within the housing, namely a first cooking cavity and a second cooking cavity. The two cooking cavities are arranged vertically; a first heating tube is disposed within the first cooking cavity for providing heat to the first cooking cavity; and an air heating device is disposed adjacent to the second cooking cavity for providing a hot air flow to the second cooking cavity. In this structure, the upper and lower doors of the two cooking cavities flip up and down. When the upper door is open, it blocks the lower door, hindering both viewing of the lower cooking cavity's operating status and preventing the door from opening. Utility Model Content

[0004] The utility model aims to provide a box-type cooking appliance with a flat door, which has a simple and reasonable structure and is convenient to assemble and disassemble.

[0005] The purpose of this utility model is achieved in this way:

[0006] A box-type cooking appliance with a swing door comprises a box body provided with a cooking cavity, one side of the cooking cavity is open and blocked by the swing door, and two upper and lower hinge seats are provided on a longitudinal side of the box body corresponding to the swing door, the swing door is provided with a door shaft and two upper and lower bearing plates, at least one bearing plate is supported on the hinge seat, the door shaft is movably arranged on the swing door, one end of the door shaft passes through a group of hinge seats and bearing plates, and the swing door is provided with a avoidance position on the end of the door shaft corresponding to the door shaft; the other end of the door shaft is connected to another group of hinge seats and bearing plates, and an elastic member is also provided between the door shaft and the swing door, and the elastic member makes the door shaft have a movement tendency to insert toward the other group of hinge seats and bearing plates.

[0007] The purpose of the utility model can also be solved by the following technical measures:

[0008] As a more specific solution, the elastic part is a compression spring, which is sleeved outside the door shaft, and a limiting protrusion is provided at the upper end of the door shaft corresponding to the compression spring; the upper and lower hinge seats are respectively an upper hinge seat and a lower hinge seat, and the upper and lower bearing plates are respectively an upper bearing plate and a lower bearing plate, and the upper bearing plate and the lower bearing plate are respectively supported on the upper hinge seat and the lower hinge seat, and the lower end of the door shaft passes through the lower bearing plate and the lower hinge seat, and the avoidance position is located below the lower hinge seat, and the compression spring is pressed between the limiting protrusion and the lower bearing plate; the upper end of the door shaft passes through the upper hinge seat and is connected to the upper bearing plate, or the upper end of the door shaft passes through the upper hinge seat and the upper bearing plate.

[0009] As a further solution, the distance between the upper end of the door shaft and the bottom surface of the upper hinge seat is less than or equal to the distance between the lower end of the door shaft and the bottom surface of the avoidance position; the outer periphery of the door shaft is clearance-matched with the lower bearing plate and the lower hinge seat.

[0010] As a further solution, a wear-resistant part is provided between the bearing plate and the hinge seat.

[0011] As a further solution, a locking rod or a lock buckle is provided on the side of the swing door, and a locking matching position is provided on the box body corresponding to the locking rod or the lock buckle.

[0012] As a further solution, the hinge seat is L-shaped, and its side panels and bottom panels are respectively a fixed plate and a supporting plate, the fixed plate is connected to the box body, and the bearing plate is supported on the supporting plate; the casement door includes a frame, a front panel and a rear panel, the door axis is arranged in the frame, and a groove is provided on one side of the frame and the rear panel corresponding to the supporting plate, and the supporting plate is inserted into the frame through the groove; the supporting plate is provided with an opening corresponding to the door axis, and the supporting plate is provided with a narrowing portion on the periphery of the opening corresponding to the supporting plate, and a door opening limit arm is provided on the side of the supporting plate.

[0013] As a further solution, the bottom of the box is provided with a bottom frame, which includes at least a front strip and two left and right side strips. The front strip is connected between the left and right side strips, and the outer side of the side strips is provided with hand buckles, which extend to the corner between the bottom and the side of the box; the side strips are symmetrical front and back.

[0014] As a further solution, the box-type cooking appliance is an electric oven, and the box body of the electric oven is provided with an upper cooking cavity and a lower cooking cavity. The swing door is arranged outside the opening of the upper cooking cavity, and the box body is provided with a lower flip door outside the opening corresponding to the lower cooking cavity.

[0015] As a further solution, a handle is provided on the outer side of the downward-flipping door, the handle protrudes out of the side surface of the box body, and a silicone pad is provided on the panel of the handle.

[0016] As a further solution, the box body is provided with an air heating device on the side corresponding to the upper cooking cavity, and the air heating device is used to provide hot air flow into the upper cooking cavity. The lower cooking cavity is provided with a heating tube, and the heating grill is used to provide heat into the lower cooking cavity.

[0017] The beneficial effects of the utility model are as follows:

[0018] The door shaft of the utility model is floatingly set on the swing door. By pressing the door shaft downward so that one end of it leaves one of the hinge seats, and then using the gap between the outer periphery of the door shaft and the bearing plate to tilt the door shaft, the end of the door shaft leaving the hinge seat can be further horizontally staggered with the hinge seat, so as to facilitate the disassembly of the door shaft and realize the disassembly of the swing door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of an embodiment of the utility model after the swing door is opened.

[0020] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle.

[0021] Figure 3 for Figure 1 Schematic diagram of the structure from another angle.

[0022] Figure 4 This is a partial structural diagram of the connection between the swing door (with the rear panel removed and in the open state) and the box body of the present invention.

[0023] Figure 5 for Figure 4 Enlarged structural diagram at point B in the middle.

[0024] Figure 6 for Figure 4 Schematic diagram of the CC cross-sectional structure.

[0025] Figure 7 for Figure 6 Schematic diagram of the structure after the middle door axis is pulled down.

[0026] Figure 8 for Figure 7 Schematic diagram of the structure in which the middle door shaft is tilted to a state where it can be pulled out.

[0027] Figure 9 This is a structural diagram of the hinge seat in the utility model.

[0028] Figure 10 This is a schematic diagram of the partial structure of the horizontal door after the rear panel is removed in the utility model.

[0029] Figure 11 for Figure 10 Enlarged structural diagram at point D in the middle.

[0030] Figure 12 The utility model is a schematic cross-sectional structural diagram of an electric oven.

[0031] Figure 13 This is a structural diagram of the electric oven of the present invention after the outer box plate is removed.

[0032] Figure 14 This is a schematic diagram of the structure of the utility model after the downward flip door is opened.

[0033] Figure 15 It is a schematic diagram of the three-dimensional structure of the utility model.

[0034] Figure 16 This is a schematic diagram of the exploded structure of the bottom frame of the present utility model.

[0035] Figure 17 for Figure 16 Schematic diagram of the structure from another angle. DETAILED DESCRIPTION

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0037] See also Figures 1 to 17 As shown, a box-type cooking appliance with a swing door includes a box body 1 with a cooking cavity, one side of the cooking cavity is open and blocked by a swing door 4, and an upper and lower hinge seats are provided on a longitudinal side of the box body 1 corresponding to the swing door 4, the swing door 4 is provided with a door shaft 7 and two upper and lower bearing plates, at least one bearing plate is supported on the hinge seat, the door shaft 7 is movably arranged on the swing door 4, one end of the door shaft 7 passes through a group of hinge seats and bearing plates, and an avoidance position 43 is provided on the end of the swing door 4 corresponding to the door shaft 7; the other end of the door shaft 7 is plugged into another group of hinge seats and bearing plates, and an elastic member is further provided between the door shaft 7 and the swing door 4, which makes the door shaft 7 have a movement tendency to insert toward the other group of hinge seats and bearing plates.

[0038] The box-type cooking appliance is an electric oven. The box body 1 of the electric oven is provided with an upper cooking cavity 11 and a lower cooking cavity 15. The swing door 4 is disposed outside the opening of the upper cooking cavity 11, and a lower flap 5 is disposed outside the opening of the box body 1 corresponding to the lower cooking cavity 15. A heat-insulating interlayer 14 is provided between the upper cooking cavity 11 and the lower cooking cavity 15.

[0039] A wear-resistant part is provided between the bearing plate and the hinge seat.

[0040] The elastic part is a compression spring 71, which is sleeved on the outside of the door shaft 7. The door shaft 7 is provided with a limiting protrusion 72 at the upper end of the compression spring 71 corresponding to the upper end of the compression spring 71; the upper and lower hinge seats are respectively an upper hinge seat 81 and a lower hinge seat 82, and the upper and lower bearing plates are respectively an upper bearing plate 44 and a lower bearing plate 45. The upper bearing plate 44 and the lower bearing plate 45 are respectively supported on the upper hinge seat 81 and the lower hinge seat 82. The lower end of the door shaft 7 passes through the lower bearing plate 45 and the lower hinge seat 82, and the avoidance position 43 is located below the lower hinge seat 82. The compression spring 71 is pressed between the limiting protrusion 72 and the lower bearing plate 45; the upper end of the door shaft 7 passes through the upper hinge seat 81 and the upper bearing plate 44.

[0041] The distance H1 between the upper end of the door shaft 7 and the bottom surface of the upper hinge seat 81 is less than or equal to the distance H2 between the lower end of the door shaft 7 and the bottom surface of the avoidance position 43; the outer periphery of the door shaft 7 is clearance-fitted with the lower bearing plate 45 and the lower hinge seat 82.

[0042] The hinge seat is L-shaped, with side panels and bottom panels of the hinge seat respectively comprising a fixed plate 83 and a supporting plate 84. The fixed plate 83 is connected to the housing 1, and the bearing plate is supported on the supporting plate 84. The swing door 4 comprises a frame, a front panel, and a rear panel. The door shaft 7 is disposed within the frame. A slot 46 is provided on one side of the frame and the rear panel corresponding to the supporting plate 84, through which the supporting plate 84 is inserted into the frame. An opening 87 is provided on the supporting plate 84 corresponding to the door shaft 7. A narrowing portion 86 is provided around the supporting plate 84 corresponding to the opening 87. A door opening limit arm 85 is provided on the side of the supporting plate 84. When the swing door 4 is opened, if the swing door 4 touches the door opening limit arm 85, it indicates that the swing door 4 has opened to its maximum angle.

[0043] When the swing door 4 needs to be disassembled, the rear panel is first removed when the swing door 4 is open. When disassembling, first press down the door shaft 7. Figure 7 As shown by the arrow T, the limit protrusion 72 on the door shaft 7 drives the return spring 71 to compress, and the lower end of the door shaft 7 is further inserted into the avoidance position 43 until the upper end of the door shaft 7 leaves the upper hinge seat 81. Due to the clearance fit between the outer periphery of the door shaft 7 and the lower bearing plate 45 and the lower hinge seat 82, Figure 8 In the direction of the arrow R shown, the door shaft 7 and the upper hinge seat 81 can be separated, and the casement door 4 can also be disassembled.

[0044] A handle 51 is provided on the outer side of the downward flip door 5 . The handle 51 protrudes out of the side surface of the box body 1 , and a silicone pad 52 is provided on the panel of the handle 51 .

[0045] The swing door 4 is provided with a locking rod 41 on its side, and the cabinet 1 has a locking engagement point corresponding to the locking rod 41. Specifically, a control unit 6 is provided on the upper front side of the cabinet 1, corresponding to the opening of the upper cooking chamber 11. This control unit 6 is used to set control commands. The locking engagement point is located on the side of the control unit 6 facing the swing door. The locking engagement point includes a boss 61 with a locking hole 62 and a guiding slope 63 at its front end. The outer end of the locking rod 41 has a spherical head. The inner end of the locking rod 41 is inserted into the swing door 4. A rib 411 is provided on the inner end of the locking rod 41. A return spring 42 is provided between the rib 411 and the swing door 4, which forces the locking rod 41 to extend outward. During door closing, the spherical head contacts the guiding slope 63 of the boss 61, causing the locking rod 41 to retract into the swing door 4. When the swing door 4 is closed, the spherical head aligns with the locking hole 62 and pops out, locking the door. When opening the door, the door is slightly pulled, and the spherical head slides out of the lock hole 62 to release the lock.

[0046] An air heating device 2 is provided on the side of the housing 1 corresponding to the upper cooking cavity 11. Air heating device 2 is configured to provide a hot air flow into the upper cooking cavity 11. A heating pipe is provided within the lower cooking cavity 15, and a heating element is configured to provide heat to the lower cooking cavity 15. The detailed structure of air heating device 2 is described in a dual-cavity cooking device disclosed in Chinese Patent Publication No. CN220832758U on April 26, 2024, and will not be described in detail here.

[0047] The lower cooking chamber 15 is a pizza-baking chamber. The heating tubes include stainless steel heating tubes 18 and graphene heating tubes 17, which are arranged vertically. The graphene heating tubes 17 bake food quickly, achieving a perfect roasting effect for meat (delicious texture, crispy on the outside, tender on the inside).

[0048] The bottom of the box body 1 is provided with a bottom frame 3 and a heat insulation board 16. The heat insulation board 16 is located on the inner side of the bottom frame 3. The bottom frame 3 includes a front strip 32 and two left and right side strips 31. The front strip 32 is connected between the left and right side strips 31. The outer sides of the side strips 31 are provided with hand-locking positions 312, which extend to the corner between the bottom and the side of the box body 1. The side strips 31 are symmetrical front to back. The front strip 32 has tenons 321 at both ends, and the side strips 31 have tenons 311 corresponding to the tenons 321. The tenons 321 and the tenons 311 are plugged into each other. Since the side strips 31 are symmetrical front to back, that is, the left and right side strips 31 are identical, they can be processed using a single set of molds. In addition, since the side strips and the front strips are both elongated, they take up little space and have low mold costs.

[0049] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention, which is defined by the appended claims and their equivalents.

Claims

1. A box-type cooking appliance with a swing door, comprising a box body (1) provided with a cooking cavity, one side of the cooking cavity being open and shielded by the swing door (4), and two upper and lower hinge seats being provided on a longitudinal side of the box body (1) corresponding to the swing door (4), characterized in that: The casement door (4) is provided with a door shaft (7) and two upper and lower bearing plates, at least one of the bearing plates is supported on the hinge seat, the door shaft (7) is movably arranged on the casement door (4), one end of the door shaft (7) passes through a set of hinge seats and bearing plates, and an avoidance position (43) is provided at one end of the casement door (4) corresponding to the door shaft (7); the other end of the door shaft (7) is plugged into another set of hinge seats and bearing plates, and an elastic member is further provided between the door shaft (7) and the casement door (4), and the elastic member enables the door shaft (7) to have a movement tendency to be inserted in the direction of the other set of hinge seats and bearing plates.

2. The box-type cooking appliance with a swing door according to claim 1, characterized in that: The elastic member is a compression spring (71), which is sleeved outside the door shaft (7), and the door shaft (7) is provided with a limiting protrusion (72) at the upper end corresponding to the compression spring (71); the upper and lower hinge seats are respectively an upper hinge seat (81) and a lower hinge seat (82), and the upper and lower bearing plates are respectively an upper bearing plate (44) and a lower bearing plate (45), and the upper bearing plate (44) and the lower bearing plate (45) are respectively supported on the upper hinge seat (81) and the lower hinge seat (82), the lower end of the door shaft (7) passes through the lower bearing plate (45) and the lower hinge seat (82), the avoidance position (43) is located below the lower hinge seat (82), and the compression spring (71) is pressed between the limiting protrusion (72) and the lower bearing plate (45); the upper end of the door shaft (7) passes through the upper hinge seat (81) and is connected to the upper bearing plate (44), or the upper end of the door shaft (7) passes through the upper hinge seat (81) and the upper bearing plate (44).

3. The box-type cooking appliance with a swing door according to claim 2, characterized in that: The distance H1 between the upper end of the door shaft (7) and the bottom surface of the upper hinge seat (81) is less than or equal to the distance H2 between the lower end of the door shaft (7) and the bottom surface of the avoidance position (43); the outer periphery of the door shaft (7) is clearance-fitted with the lower bearing plate (45) and the lower hinge seat (82).

4. The box-type cooking appliance with a swing door according to claim 1, characterized in that: A wear-resistant part is provided between the bearing plate and the hinge seat.

5. The box-type cooking appliance with a swing door according to claim 1, characterized in that: The side of the swing door (4) is provided with a locking rod (41) or a lock catch, and the box body (1) is provided with a locking matching position corresponding to the locking rod (41) or the lock catch.

6. The box-type cooking appliance with a swing door according to claim 1, characterized in that: The hinge seat is L-shaped, and its side plates and bottom plates are respectively a fixed plate (83) and a supporting plate (84), the fixed plate (83) is connected to the box body (1), and the bearing plate is supported on the supporting plate (84); the casement door (4) comprises a frame, a front panel and a rear panel, the door shaft (7) is arranged in the frame, and a groove (46) is provided on one side of the frame and the rear panel corresponding to the supporting plate (84), and the supporting plate (84) is inserted into the frame through the groove (46); the supporting plate (84) is provided with an opening (87) corresponding to the door shaft (7), and a narrowing portion (86) is provided on the periphery of the supporting plate (84) corresponding to the opening (87), and a door opening limit stop arm (85) is provided on the side of the supporting plate (84).

7. The box-type cooking appliance with a swing door according to claim 1, characterized in that: The bottom of the box body (1) is provided with a bottom frame (3), the bottom frame (3) comprises at least a front edge strip (32) and two left and right side strips (31), the front edge strip (32) is connected between the left and right side strips (31), the outer sides of the side strips (31) are provided with hand buckles (312), and the hand buckles (312) extend to the corner between the bottom and the side of the box body (1); the side strips (31) are symmetrical front to back.

8. The box-type cooking appliance with a swing door according to claim 1, characterized in that: The box-type cooking appliance is an electric oven. The box body (1) of the electric oven is provided with an upper cooking cavity (11) and a lower cooking cavity (15). The swing door (4) is arranged outside the opening of the upper cooking cavity (11). The box body (1) is provided with a lower flip door (5) outside the opening corresponding to the lower cooking cavity (15).

9. The box-type cooking appliance with a swing door according to claim 8, characterized in that: A handle (51) is provided on the outer side of the downward flip door (5), the handle (51) protrudes out of the side of the box body (1), and a silicone pad (52) is provided on the panel of the handle (51).

10. The box-type cooking appliance with a swing door according to claim 8, characterized in that: An air heating device (2) is provided on the side of the box body (1) corresponding to the upper cooking cavity (11), and the air heating device (2) is used to provide a hot air flow into the upper cooking cavity (11). A heating pipe is provided in the lower cooking cavity (15), and a heating grill is used to provide heat into the lower cooking cavity (15).

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