Quick-release door device and kitchen appliance
The quick-release door device design solves the problem of complex maintenance and cleaning of kitchen appliance door devices, enabling rapid disassembly and installation, improving operational efficiency, and providing good thermal insulation and microwave leakage prevention functions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ARDA (ZHEJIANG) ELECTRIC CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-08-04
AI Technical Summary
The door mechanisms of existing kitchen appliances are complicated to operate, inefficient, and difficult to disassemble and install quickly during maintenance and cleaning.
A quick-release door device was designed, which enables quick disassembly and installation through a detachable cover structure, the cooperation of elastic buckles and slots, the limiting design of the partition groove, and the setting of a metal shielding plate, and dissipates heat through ventilation holes.
It enables quick disassembly and installation of the door device, improving maintenance and cleaning efficiency, while also providing good thermal insulation and preventing microwave leakage.
Smart Images

Figure CN224593328U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of kitchen appliance technology, specifically referring to a quick-release door device and a kitchen appliance. Background Technology
[0002] Chinese invention patent 2014800046747 discloses a door for microwave appliances, including an outer glass panel, an inner glass panel, a door frame covering at least the circumferential side of the oven door, and an intermediate glass panel disposed between the outer and inner glass panels. The outer glass panel, the inner glass panel, and the door frame form the shell of the door, and the intermediate glass panel is fixed inside the shell. In this patent, the intermediate glass panel is fixed in place before the door frame is installed. Because the door frame is connected by fasteners, this makes subsequent maintenance, cleaning, or replacement of the inner glass panel complicated and inefficient. Utility Model Content
[0003] The purpose of this invention is to provide a quick-release door device and kitchen appliance that are simple in structure, easy to maintain and clean.
[0004] The purpose of this utility model is achieved as follows:
[0005] A quick-release door device includes: an outer door panel; a left bracket and a right bracket, respectively fixed to the left and right sides of the outer door panel, with at least one partition mounting groove provided between the left and right brackets; an inner door panel, fixed between the left and right brackets, forming a door frame cavity with the outer door panel, the upper end of the door frame cavity being open; at least one partition, installed in the partition mounting groove, and separating the door frame cavity; and a cover plate, detachably fixed to the upper ends of the left and right brackets or the upper end of the inner door panel, and covering the opening, wherein when the cover plate is removed, the partition plate can be disassembled and installed from the opening.
[0006] Preferably, the upper ends of the left and right brackets are provided with slots, and the left and right sides of the cover plate are respectively provided with elastic buckles corresponding to the slots. The elastic buckles have a pressing part and a snap-fit part.
[0007] Preferably, at least one partition strip is provided on the inner side of the cover plate, and a partition groove is provided in the partition strip to restrict the upper end position of the partition plate.
[0008] Preferably, a metal shielding plate for shielding microwaves is also provided inside the door frame cavity, and the metal shielding plate is fixed between the left and right supports through the inner door panel.
[0009] Preferably, both the left and right supports include a support body, and a lower partition mounting part is provided on the inner bottom of the support body, and a corresponding partition mounting groove is formed on the lower partition mounting part; an abutment part is provided on the inner front edge of the support body, and the abutment part is used to limit the position of the outermost partition.
[0010] Preferably, the lower partition mounting part is provided with a first partition rib, a second partition rib, and a third partition rib in sequence. The first partition rib and the second partition rib, and the second partition rib and the third partition rib form a partition mounting groove. The first partition rib and the second partition rib each include an integrally formed guide limiting part, an inclined part, and a vertical part. The partition mounting groove formed by the first partition rib and the second partition rib is the first partition mounting groove. The upper partition limiting part is correspondingly provided on the support body above the first partition mounting groove. The upper partition limiting part and the first partition mounting groove can limit the vertical position of the partition.
[0011] Preferably, the inner door panel includes an inner glass panel and a door sealing frame. The inner glass panel is hollowed out in the middle of the door sealing frame and fixed thereon. The door sealing frame also has a left flange and a right flange. The left flange and the right flange are fixedly connected to the corresponding left bracket and right bracket respectively by a snap-fit structure. Or / and, the door sealing frame has a bottom flange, and a snap-fit protrusion is provided on the inner side of the bottom flange. The bottom of the outer door panel is provided with a snap-fit strip, and the snap-fit protrusion snaps onto the snap-fit strip.
[0012] Preferably, the outer door panel and partition are made of glass, while the left bracket, right bracket, door seal frame and cover are made of plastic.
[0013] Preferably, at least one upper vent hole communicating with the inner cavity of the door frame is provided on the cover plate side near the inner door panel, and a lower vent hole communicating with the inner cavity of the door frame is provided at the lower end of the inner door panel.
[0014] A kitchen appliance includes an inner pot and an outer shell disposed around the outer periphery of the inner pot. A door device is movably disposed on the front side of the outer shell, and the door device is used to seal the inner cavity of the inner pot. The door device is a quick-release door device as described above. Door lock assemblies are respectively disposed on the left and right brackets. An installation gap is provided between the front side of the outer shell and the edge of the inner pot, and a sealing ring is disposed in the installation gap. The door device includes a metal shielding plate, which includes a door panel body with micropores and an outer frame welded around the door panel body. An annular choke groove is formed in the outer frame. When the door device is closed, the door device abuts against the sealing ring, and the choke groove is directly opposite the installation gap.
[0015] The outstanding and beneficial technical effects of this utility model compared to the prior art are:
[0016] 1. This utility model, through the detachable cover plate structure, enables the quick disassembly, replacement, and maintenance of the partition plate through the upper opening of the inner cavity of the door frame, which improves work efficiency.
[0017] 2. The cover plate of this utility model is quickly installed by engaging with the slots at the upper ends of the left and right brackets via elastic buckles; when the cover plate needs to be disassembled, the pressing part of the elastic buckle is installed inward to disengage the buckle from the slot, thus achieving quick unlocking.
[0018] 3. The cover plate of this utility model is provided with a partition strip with a partition groove. The partition groove can limit the upper part of the partition plate to the front and rear and the upper limit. At the same time, the partition strip can also strengthen the strength of the cover plate.
[0019] 4. The present invention provides a lower partition mounting part on the inner bottom of both the left and right supports. A corresponding partition mounting groove is formed on the lower partition mounting part. The lower end of the partition is inserted into the partition mounting groove, and the front and rear position and lower limit can be restricted through the partition mounting groove.
[0020] 5. The inner door panel of this utility model is fixedly connected to the corresponding left and right brackets through a snap-fit structure, so as to achieve quick installation and quick disassembly.
[0021] 6. The door device of this utility model is provided with an upper vent and a lower vent. The upper vent connects to the heat dissipation channel of the kitchen appliance. The heat dissipation fan in the heat dissipation channel can simultaneously dissipate heat from the door device, achieving rapid cooling and preventing burns.
[0022] 7. The door device of this utility model is also equipped with a metal shielding plate, which can be used for kitchen appliances such as microwave ovens. The metal shielding plate is provided with a choke groove. When the door device is closed, the choke groove is directly opposite the installation gap between the front side of the outer shell and the edge of the inner liner to prevent microwaves from leaking from the installation gap. Attached Figure Description
[0023] Figure 1 This is a structural schematic diagram of the door device of this utility model.
[0024] Figure 2 This is a partial exploded view of the door device of this utility model.
[0025] Figure 3 This is one of the cross-sectional views of the door device of this utility model.
[0026] Figure 4 This is a structural schematic diagram of the outer door panel, left bracket, and right bracket of this utility model.
[0027] Figure 5 This is a schematic diagram of the structure of the cover plate of this utility model.
[0028] Figure 6 This is a schematic diagram of the structure for installing and fixing the cover plate of this utility model.
[0029] Figure 7 This is the second sectional view of the door device of this utility model.
[0030] Figure 8 This is a structural schematic diagram of the inner door panel of this utility model.
[0031] Figure 9 This is a schematic diagram of the structure of the shielding plate of this utility model.
[0032] The meaning of the labels in the diagram:
[0033] 1. Outer door panel; 2. Left bracket; 3. Right bracket; 4. Inner door panel; 5. Partition; 6. Cover plate; 7. Metal shielding plate; 8. Door lock assembly; 9. Handle;
[0034] 11-piece connector strip;
[0035] Partition mounting groove 21; slot 22; bracket body 23; lower partition mounting part 24; first partition 241; guide limiting part 2411; inclined part 2412; vertical part 2413; second partition 242; third partition 243; abutting part 25; upper partition limiting part 26; positioning groove 27; fixing block 28;
[0036] Inner glass panel 41; door sealing frame 42; left flange 421; right flange 422; bottom flange 423; snap-fit protrusion 4231; lower vent 43; hinge clearance hole 44; positioning block 45; fixing buckle 46; upper buckle 47;
[0037] Elastic buckle 61; pressing part 611; snap fastener part 612; separator strip 62; separator groove 621; upper vent 63;
[0038] Door panel body 71; outer frame 72; choke groove 721;
[0039] Door lock mounting base 81; lock hook 82; tension spring 83;
[0040] Door assembly 100; inner liner 200; outer shell 300; heat dissipation and ventilation hole 301; sealing ring 400. Detailed Implementation
[0041] The present invention will be further described below with reference to specific embodiments:
[0042] Example 1:
[0043] The quick-release door device of this embodiment is mainly installed on kitchen appliances such as ovens, steamers, and air fryers. The kitchen appliance includes an inner liner 200 and an outer shell 300 disposed on the outer periphery of the inner liner 200. A door device 100 is movably disposed on the front side of the outer shell 300. The door device 100 is used to seal the inner cavity of the inner liner 200.
[0044] like Figure 1 , 2 As shown in Figure 3, the door device 100 includes an outer door panel 1, a left bracket 2, a right bracket 3, an inner door panel 4, at least one partition 5, a cover plate 6, a door lock assembly 8, and a handle 9.
[0045] A handle 9 is provided on the outer wall of the outer door panel 1. A left bracket 2 and a right bracket 3 are symmetrically arranged on the left and right sides of the inner wall of the outer door panel 1, respectively. The left bracket 2 and right bracket 3 are fixed by screws or glue; in this embodiment, they are fixed to the outer door panel 1 by glue. At least one partition mounting groove 21 is provided between the left bracket 2 and right bracket 3, and a partition 5 is correspondingly provided in the partition mounting groove 21. The inner door panel 4 is fixed between the left bracket 2 and right bracket 3 and forms a door frame cavity with the outer door panel 1. The upper end of this door frame cavity is open. The partition 5 divides the door frame cavity into multiple chambers, which helps to increase the heat insulation effect. A cover plate 6 is detachably fixed to the upper end of the left bracket 2 and right bracket 3 or the upper end of the inner door panel 4, and covers the open end. When the partition 5 needs to be cleaned or is damaged, only the cover plate 6 needs to be removed, and the partition 5 can be disassembled from the open end.
[0046] like Figure 4 As shown, the upper ends of the left bracket 2 and the right bracket 3 are provided with slots 22. Figure 5 As shown, elastic buckles 61 corresponding to the slots 22 are respectively provided on the left and right sides of the cover plate 6. The elastic buckles 61 have a pressing part 611 and a snap-fit part 612 provided inside the pressing part 611. Figure 6 As shown, when the cover plate 6 is installed on the upper end of the left bracket 2 and the right bracket 3, the snap fastener 612 snaps into the slot 22 to achieve quick fixation with the left bracket 2 and the right bracket 3; when the cover plate 6 needs to be removed, the pressing part 611 is installed inward to make the snap fastener 612 disengage from the slot 22 to achieve quick unlocking.
[0047] like Figure 5 As shown, preferably, at least one partition strip 62 is provided on the inner side of the cover plate 6. The partition strip 62 has a partition groove 621 that restricts the upper position of the partition plate 5. The number of partition grooves 621 in each partition strip 62 corresponds to the number of partition plates 5. In this embodiment, two partition plates 5 are provided, corresponding to two partition grooves 621. The partition grooves 62 can limit the upper part of the partition plate 5 both forward and backward, as well as its upper limit, ensuring the installation position of the partition plate 5. In addition, the partition strip 62 can also strengthen the cover plate 6.
[0048] like Figure 4 As shown, preferably, both the left bracket 2 and the right bracket 3 include a bracket body 23. A door lock assembly 8 is provided at the upper end of the bracket body 23. The door lock assembly 8 includes a door lock fixing seat 81, a lock hook 82, and a tension spring 83. Specifically, a door lock mounting groove is provided at the upper end of the bracket body 23. A door lock fixing seat 81 is fixed in the door lock mounting groove. A lock hook 82 is rotatably mounted on the door lock fixing seat 81 via a rotating shaft. A tension spring 83 is provided between the lock hook 82 and the door lock fixing seat 81 or the bracket body 23. Based on this, a lock hook clearance hole is provided on the cover plate and / or the inner door panel 4, through which the lock hook 8 extends out of the inner door panel 4.
[0049] Preferably, a lower partition mounting portion 24 is provided on the inner bottom of the support body 23. A corresponding partition mounting groove 21 is formed on the lower partition mounting portion 24. The lower end of the partition 5 is inserted into the partition mounting groove 21, and can be limited in front and rear and lowerly through the partition mounting groove 21. An abutment portion 25 is provided on the inner front edge of the support body 23. The abutment portion 25 is vertically arranged and has multiple abutment protrusions on it for limiting the position of the outermost partition 5. The ends of the abutment protrusions are aligned vertically and located in the same vertical plane.
[0050] Preferably, a first partition rib 241, a second partition rib 242, and a third partition rib 243 are sequentially arranged on the lower partition mounting portion 24. A partition mounting groove 21 is formed between the first partition rib 241 and the second partition rib 242, and between the second partition rib 242 and the third partition rib 243. The partition mounting groove 21 formed by the first partition rib 241 and the second partition rib 242 is the first partition mounting groove, and the partition mounting groove 21 formed by the second partition rib 242 and the third partition rib 243 is the second partition mounting groove. In this embodiment, two partitions 5 are provided. The outermost partition 5 is located in the first partition mounting groove, and the innermost partition 5 is located in the second partition mounting groove.
[0051] like Figure 7 As shown, an upper partition limiting part 26 is correspondingly provided on the bracket body 23 above the first partition mounting groove. The upper partition limiting part 26 and the first partition mounting groove can limit the vertical position of the outermost partition 5. In order to facilitate the installation of the outermost partition 5, the first partition rib 241 and the second partition rib 242 both include an integrally formed guide limiting part 2411, an inclined part 2412 and a vertical part 2413, so that the first partition mounting groove forms an installation channel with an inclined upper end and a vertical lower end. When the outermost partition 5 is installed, its lower end can be inclined into the first partition mounting groove, and then its upper end can cooperate with the upper partition limiting part 26. Finally, the innermost partition 5 is vertically placed into the second partition mounting groove through the opening to be installed in place.
[0052] like Figure 8 As shown, preferably, the inner door panel 4 includes an inner glass panel 41 and a door sealing frame 42. The door sealing frame 42 has a hollowed-out center and the inner glass panel 41 is fixed thereon. In this embodiment, the inner glass panel 41 is fixed to the door sealing frame 42 with adhesive. The door sealing frame 42 also has a left flange 421 and a right flange 422, which are fixedly connected to the corresponding left bracket 2 and right bracket 3 respectively via a snap-fit structure. Figure 4 , 8As shown, the snap-fit structure includes at least one positioning block 45 and at least one fixing buckle 46 disposed on the inner side of the left flange 421 / right flange 422, and at least one positioning groove 27 and at least one fixing block 28 disposed on the outer side wall of the left bracket 2 / right bracket 3. The positioning block 45 cooperates with the positioning groove 27 to realize the vertical and horizontal positioning of the inner door panel 4, and the fixing buckle 46 and fixing block 28 engage to fix the inner door panel 4 to the left bracket 2 and the right bracket 3.
[0053] In this embodiment, the outer door panel 1 and the partition 5 are both glass panels, while the left bracket 2, right bracket 3, door sealing frame 42 and cover plate 6 are all made of plastic.
[0054] In another embodiment, such as Figure 3 As shown, the bottom of the door frame 42 is provided with a bottom flange 423, and the inner side of the bottom flange 423 is provided with a snap-fit protrusion 4231; the bottom of the outer door panel 1 is provided with a snap-fit strip 11, and the snap-fit protrusion 4231 snaps onto the snap-fit strip 11.
[0055] In another embodiment, the door device is mounted on the housing 300 via a hinge to achieve a flip-open door. Therefore, the lower ends of the left bracket 2 and the right bracket 3 are also provided with hinge mounting grooves, and the corresponding positions of the bottom flange 423 are provided with hinge clearance holes 44. The hinge passes through the hinge clearance holes 44 and is fixed in the hinge mounting groove.
[0056] In another embodiment, the door device is movably mounted on the outer shell 300 via a side wall slide rail structure or a bottom slide rail mechanism to achieve a pull-out door. At the same time, the door device also includes a drawer mounted on the inner door panel 4, which can enter the inner cavity of the inner liner 300 for food cooking.
[0057] Example 2:
[0058] This embodiment is basically the same as Embodiment 1, except that:
[0059] like Figure 3 As shown, at least one upper vent 63 communicating with the inner cavity of the door frame is provided on the side of the cover plate 6 near the inner door panel 4, and a lower vent 43 communicating with the inner cavity of the door frame is provided at the lower end of the inner door panel 4. The lower vent 43 is located on the bottom flange 423.
[0060] A heat dissipation channel is provided between the inner liner 200 and the outer shell 300. A cooling fan is installed inside the heat dissipation channel. A vent 301 connecting to the heat dissipation channel is provided on the upper part of the front panel of the outer shell 300. When the door device 100 is closed, the upper vent 63 is directly opposite the vent 301 and connects to the heat dissipation channel through the vent 301. When the cooling fan is working, outside air can enter and exit the heat dissipation channel through the lower vent 43, the inner cavity of the door frame, the upper vent 63, and the vent 301, thereby simultaneously cooling the door device 100, achieving rapid cooling, and preventing burns.
[0061] Based on this, due to air exchange, the partition 5 is more prone to getting dirty. At this time, the detachable structure of the cover 6 can quickly disassemble and clean the partition 5, improving cleaning efficiency.
[0062] Example 3:
[0063] The quick-release door device in this embodiment is mainly installed on kitchen appliances such as microwave ovens, microwave-grill combos, and microwave-steam-grill combos.
[0064] like Figure 3 As shown, its structure is basically the same as that of Embodiment 1. The difference is that, based on Embodiment 1, a metal shielding plate 7 for shielding microwaves is also provided in the inner cavity of the door frame. The metal shielding plate 7 includes a door panel body 71 with micropores and an outer frame 72 welded around the door panel body 71. An annular choke groove 721 is formed in the outer frame 72. The metal shielding plate 7 is fixed between the left support 2 and the right support 3 through the inner door panel 4.
[0065] An installation gap is provided between the front side of the outer shell 300 and the edge of the inner liner 200. A sealing ring 400 is provided in the installation gap. When the door device 100 is closed, the door device 100 abuts against the sealing ring 400. The choke groove 721 is directly opposite the installation gap to prevent microwave leakage from the installation gap.
[0066] Preferably, the upper edge of the door frame 42 is also provided with a plurality of upper buckles 47, which are used to snap onto the upper edge of the outer frame 72 for further fixation.
[0067] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.
Claims
1. A quick release door apparatus, characterized by, include: Outer door panel (1); The left bracket (2) and the right bracket (3) are fixed on the left and right sides of the outer door panel (1), respectively. At least one partition mounting groove (21) is provided between the left bracket (2) and the right bracket (3). The inner door panel (4) is fixed between the left bracket (2) and the right bracket (3) and forms a door frame cavity with the outer door panel (1), the upper end of which is open; At least one partition (5) is installed in the partition mounting groove (21) and separates the inner cavity of the door frame; and The cover plate (6) is detachably fixed to the upper end of the left bracket (2) and the right bracket (3) or the upper end of the inner door panel (4) and covers the opening; When the cover plate (6) is removed, the partition plate (5) can be disassembled from the opening.
2. A quick release door assembly according to claim 1, wherein: The upper ends of the left bracket (2) and the right bracket (3) are provided with slots (22), and the left and right sides of the cover plate (6) are respectively provided with elastic buckles (61) corresponding to the slots (22). The elastic buckles (61) have a pressing part (611) and a snap-fit part (612).
3. A quick release door assembly according to claim 2, wherein: At least one partition strip (62) is provided on the inner side of the cover plate (6), and a partition groove (621) is provided in the partition strip (62) to restrict the position of the upper end of the partition plate (5).
4. A quick release door assembly according to claim 1, wherein: The inner cavity of the door frame is also provided with a metal shielding plate (7) for shielding microwaves. The metal shielding plate (7) is fixed between the left support (2) and the right support (3) through the inner door panel (4).
5. A quick release door assembly according to any one of claims 1 to 4, wherein: Both the left support (2) and the right support (3) include a support body (23). The bottom inner side of the support body (23) is provided with a lower partition mounting part (24), and a corresponding partition mounting groove (21) is formed on the lower partition mounting part (24). The front inner side of the support body (23) is provided with an abutment part (25), which is used to limit the position of the outermost partition (5).
6. A quick release door assembly according to claim 5 wherein: The lower partition mounting part (24) is provided with a first partition rib (241), a second partition rib (242) and a third partition rib (243) in sequence. The first partition rib (241) and the second partition rib (242), and the second partition rib (242) and the third partition rib (243) form the partition mounting groove (21). The first partition rib (241) and the second partition rib (242) each include an integrally formed guide limiting part (2411), an inclined part (2412) and a vertical part (2413). The partition mounting groove (21) formed by the first partition rib (241) and the second partition rib (242) is the first partition mounting groove. The upper partition limiting part (26) is correspondingly provided on the support body (23) above the first partition mounting groove. The upper partition limiting part (26) and the first partition mounting groove can limit the upper and lower positions of the partition (5).
7. A quick release door assembly according to any one of claims 1 to 4, wherein: The inner door panel (4) includes an inner glass panel (41) and a door sealing frame (42). The inner glass panel (41) is hollowed out in the middle of the door sealing frame (42). The door sealing frame (42) also has a left flange (421) and a right flange (422). The left flange (421) and the right flange (422) are fixedly connected to the corresponding left bracket (2) and right bracket (3) respectively through a snap-fit structure. Or / and, the door sealing frame (42) has a bottom flange (423), and a snap-fit protrusion (4231) is provided on the inner side of the bottom flange (423); the bottom of the outer door panel (1) is provided with a snap-fit strip (11), and the snap-fit protrusion (4231) snaps onto the snap-fit strip (11).
8. A quick release door assembly according to claim 7, wherein: The outer door panel (1) and partition (5) are both glass panels, and the left bracket (2), right bracket (3), door sealing frame (42) and cover plate (6) are all made of plastic.
9. A quick release door assembly according to any one of claims 1 to 4, wherein: At least one upper vent (63) communicating with the inner cavity of the door frame is provided on the side of the cover plate (6) near the inner door panel (4), and a lower vent (43) communicating with the inner cavity of the door frame is provided at the lower end of the inner door panel (4).
10. A kitchen appliance characterized in that, It includes an inner liner (200) and an outer shell (300) disposed on the outer periphery of the inner liner (200). A door device (100) is movably disposed on the front side of the outer shell (300) for sealing the inner cavity of the inner liner (200). The door device (100) is a quick-release door device as described in any one of claims 1-9; Door lock components (8) are respectively provided on the left bracket (2) and the right bracket (3); An installation gap is provided between the front side of the outer shell (300) and the edge of the inner liner (200), and a sealing ring (400) is provided in the installation gap. The door device (100) includes a metal shielding plate (7), which includes a door panel body (71) with micropores and an outer frame (72) welded around the door panel body (71). An annular choke groove (721) is formed inside the outer frame (72). When the door device (100) is closed, the door device (100) abuts against the sealing ring (400), and the choke groove (721) is directly opposite the mounting gap.