Door opening assembly for oven

Abstract

The utility model discloses a door opening assembly for an oven, which comprises an oven body, an oven door assembly, a door locking mechanism, a hinge mechanism and a first clamping piece, the oven door assembly is connected with the oven body, the door locking mechanism is mounted on the oven body and used for locking or opening the oven door assembly, one end of the first clamping piece is fixed on the oven body, and the hinge mechanism is mounted on the oven door assembly. The hinge mechanism is hinged to the first clamping piece, the box door assembly opens or closes the box body through the hinge mechanism, the box door assembly is hinged to the box body through the shackle mechanism and the first clamping piece, a door locking mechanism is installed on the box body, and after the box door assembly is closed, the box door assembly is locked through the door locking mechanism. The case door assembly is prevented from being opened by misoperation of a user in the working state or the self-cleaning state, and the scalding risk is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steaming oven, especially oven door opening subassembly for oven. BACKGROUND

[0002] Kitchen appliances, such as ovens, microwave ovens, etc., usually have a processing cavity for processing food inside, and a door structure is usually arranged outside the processing cavity. The above-mentioned appliances are prone to high temperature, microwaves or other factors that may cause hidden dangers to human health and safety during cooking. Therefore, a door lock structure with automatic locking function is usually arranged on the door structure. For example, for an oven, a high temperature of more than 200 degrees Celsius can be generated inside the oven during cooking. Therefore, a stable automatic door lock structure needs to be installed at the oven door to ensure that the oven door cannot be accidentally opened under high temperature working conditions, thereby avoiding personal injury and reducing cooking efficiency.

[0003] The oven door assembly and the oven body are hinged. When the oven is in a working state or is being self-cleaned, a high temperature can be generated. If a user mistakenly opens the oven door assembly, high-temperature steam can be released or directly contact high-temperature components, which can cause a scalding risk. Therefore, improvements are needed. SUMMARY

[0004] The utility model aims at solving the above-mentioned technical problems in the prior art and provides an oven door opening subassembly. The oven door assembly is hinged to the oven body through a hinge mechanism and a first clamping piece. A door locking mechanism is installed on the oven body. When the oven door assembly is closed, the door locking mechanism locks the oven door assembly, thereby avoiding user's mistaken operation of opening the oven door assembly in a working state or a self-cleaning state and avoiding the scalding risk.

[0005] To solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

[0006] The oven door opening subassembly comprises an oven body and an oven door assembly. The oven door assembly is connected to the oven body.

[0007] It is characterized in that it further comprises a door locking mechanism, a hinge mechanism and a first clamping piece. The door locking mechanism is installed on the oven body and is used to lock or open the oven door assembly. One end of the first clamping piece is fixed to the oven body. The hinge mechanism is installed on the oven door assembly and is hinged to the first clamping piece. The oven door assembly opens or closes the oven body through the hinge mechanism. The oven door assembly is hinged to the oven body through the hinge mechanism and the first clamping piece. The door locking mechanism is installed on the oven body. When the oven door assembly is closed, the door locking mechanism locks the oven door assembly, thereby avoiding user's mistaken operation of opening the oven door assembly in a working state or a self-cleaning state and avoiding the scalding risk.

[0008] Further, the hinge mechanism comprises a supporting seat fixed on the box door assembly, and the supporting seat is provided with a hinge hole one, and the supporting seat is hinged to the clamping piece one through the hinge hole one.

[0009] Further, the hinge mechanism further comprises a connecting seat, a connecting rod and a pressure spring, the connecting seat is provided with a hinge hole two, the connecting seat is hinged to the clamping piece one through the hinge hole two, the connecting rod is connected with the connecting seat, the connecting rod penetrates through the supporting seat, the pressure spring is sleeved on the connecting rod, one end of the connecting rod is provided with a fixing piece, and two ends of the pressure spring are connected with the fixing piece and the supporting seat respectively.

[0010] Further, the hinge mechanism further comprises a connecting seat, a connecting rod and a pressure spring, the connecting seat is provided with a hinge hole two, the connecting seat is hinged to the clamping piece one through the hinge hole two, the connecting rod is connected with the connecting seat, the connecting rod penetrates through the supporting seat, the pressure spring is sleeved on the connecting rod, one end of the connecting rod is provided with a fixing piece, and two ends of the pressure spring are connected with the fixing piece and the supporting seat respectively.

[0011] Further, the door locking mechanism comprises a mounting frame, a buckling assembly, a driving motor and a driving piece, the buckling assembly and the driving motor are mounted on the mounting frame, the driving motor is connected with the driving piece, the driving piece is abutted with the buckling assembly, and the driving motor drives the driving piece to rotate to drive the buckling assembly to rotate and realize buckling.

[0012] Further, the buckling assembly comprises a clamping piece two and a hinge seat, the hinge seat is arranged on the mounting frame, the clamping piece two is hinged to the hinge seat, the mounting frame is provided with a limiting slot, the clamping piece two penetrates through the limiting slot, the clamping piece two is provided with a clamping part, and the clamping part is used for clamping the box door assembly.

[0013] Further, the buckling assembly further comprises a tension spring, the mounting frame is provided with a connecting flange, the connecting flange is provided with a limiting gap, the clamping piece two is provided with an abutting part, the abutting part is provided with a limiting hole, and two ends of the tension spring are respectively mounted in the limiting gap and the limiting hole.

[0014] Further, the driving piece comprises a cam and a roller, the driving motor is connected with the cam, the cam is connected with the roller, one end of the cam is abutted with the buckling assembly, the mounting frame is provided with a micro switch, and the roller is provided with an abutting surface and is abutted with the micro switch.

[0015] Further, the box door assembly comprises an inner door body and an outer door body, the inner door body is fixedly connected with the outer door body, the box body is provided with a sealing ring, the inner door body is abutted with the sealing ring, the inner door body is provided with a clamping groove, and the clamping groove is clamped with the door locking mechanism.

[0016] Further, the inner door body and the outer door body form a heat dissipation cavity with the inner door body, the inner door body is provided with a heat dissipation hole one, the outer door body is provided with a heat dissipation hole two, and the heat dissipation hole one and the heat dissipation hole two are communicated with the heat dissipation cavity.

[0017] The utility model discloses a following beneficial effect is obtained by adopting the above technical scheme:

[0018] The door locking mechanism is installed on the box body, the door locking mechanism is used for locking or opening the box door assembly, one end of the clamping piece one is fixed on the box body, the hinge mechanism is installed on the box door assembly, the hinge mechanism is hinged with the clamping piece one, the box door assembly is opened or closed through the hinge mechanism, the box door assembly is hinged with the box body through the hinge mechanism and the clamping piece one, and the door locking mechanism is installed on the box body, when the box door assembly is closed, the box door assembly is locked through the door locking mechanism, the user is prevented from opening the box door assembly by mistake in the working state or the self-cleaning state, and the risk of scalding is avoided.

[0019] The utility model discloses a buckle assembly and drive motor are installed on the mounting bracket, drive motor is connected with the driving piece, and the driving piece is opposite with the buckle assembly, and drive motor drives the driving piece to rotate to drive the buckle assembly to rotate and realize buckling, and the buckle assembly is buckled with the box door assembly to close the box door assembly, avoids the abrasion after long -time use, thereby solve the problem that the box door assembly is not closed tightly, simultaneously through drive motor drives the driving piece to rotate, utilizes the driving piece to realize the effect of buckling, realizes the automatic unlocking of box door assembly, simple structure has practicality.

[0020] The utility model discloses a buckle assembly still includes tension spring, and the mounting bracket is equipped with the connecting flap, and the connecting flap is equipped with the limit notched, and the clamping piece two is equipped with the abutment part, and the abutment part is equipped with the limit hole, and the tension spring both ends are installed in the limit notched and the limit hole, and the driving piece includes the cam, and drive motor is connected with the cam, and the cam one end is opposite with the buckle assembly, when the cam rotates and presses the clamping piece two, the clamping piece two rotates and separates with the box door assembly, makes the door lock to be in the open state, when the cam continues to rotate, the cam separates with the clamping piece two, and the clamping piece two is rotated to the original position through the elastic force of tension spring and is drawn back, makes the clamping piece two tightly clamped box door assembly, when, the door lock is in the closed state. ACCURACY OF DRAWINGS

[0021] The utility model makes further explanation from the following combined with the drawing:

[0022] Figure 1 It is the structure schematic diagram of the utility model oven door opening assembly;

[0023] Figure 2 It is the structure schematic diagram of the utility model box door assembly and door locking mechanism;

[0024] Figure 3 It is the structure schematic diagram of the utility model hinge mechanism;

[0025] Figure 4 It is the structure schematic diagram of the utility model clamping piece one and clamping seat;

[0026] Figure 5 It is the structure schematic diagram of the utility model door locking mechanism;

[0027] Figure 6 This is a structural schematic diagram of the door locking mechanism in this utility model from another perspective;

[0028] Figure 7 This utility model Figure 5 A magnified view of a section at point A in the middle;

[0029] Figure 8 This is a schematic diagram of the mounting bracket and driving component in this utility model.

[0030] In the diagram: 1-Box body; 11-Sealing ring; 2-Box door assembly; 21-Inner door body; 22-Outer door body; 23-Snap-fit ​​groove; 24-Heat dissipation cavity; 25-Heat dissipation hole one; 26-Heat dissipation hole two; 3-Locking mechanism; 31-Mounting bracket; 32-Drive motor; 33-Snap-fit ​​part two; 34-Hinge seat; 35-Limiting groove; 36-Snap-fit ​​part; 37-Tension spring; 38-Connecting folding plate; 39-Limiting notch; 310- 311-Limiting hole; 312-Cam; 313-Roller; 314-Micro switch; 315-Pressure surface; 316-Mounting plate; 317-Mounting hole; 4-Hinge mechanism; 41-Support base; 42-Hinge hole one; 43-Connecting base; 44-Connecting rod; 45-Pressure spring; 46-Fixing component; 47-Hinge hole two; 5-Snap-fit ​​component one; 51-Snap-fit ​​groove; 6-Snap-fit ​​base; 61-Through groove. Detailed Implementation

[0031] like Figures 1 to 8 As shown, this utility model describes the oven door opening assembly, which includes a cabinet body 1, a door assembly 2, a locking mechanism 3, a hinge mechanism 4, and a snap-fit ​​component 5. The door assembly 2 is connected to the cabinet body 1. The locking mechanism 3 is installed on the cabinet body 1 and is used to lock or open the door assembly 2. One end of the snap-fit ​​component 5 is fixed to the cabinet body 1. The hinge mechanism 4 is installed on the door assembly 2 and is hinged to the snap-fit ​​component 5. The door assembly 2 opens or closes the cabinet body 1 through the hinge mechanism 4. The door assembly 2 is hinged to the cabinet body 1 through the hinge mechanism 4 and the snap-fit ​​component 5. The locking mechanism 3 is installed on the cabinet body 1. When the door assembly 2 is closed, it is locked by the locking mechanism 3, which prevents the user from accidentally opening the door assembly 2 during operation or self-cleaning, thus avoiding the risk of burns.

[0032] like Figure 2 As shown, the door assembly 2 includes an inner door body 21 and an outer door body 22. The inner door body 21 and the outer door body 22 are fixedly connected. The box body 1 is provided with a sealing ring 11. The inner door body 21 abuts against the sealing ring 11 to improve the sealing performance and ensure the temperature inside the box body 1. The outer door body 22 is equipped with a handle to facilitate opening and closing the door assembly 2.

[0033] The upper end of the inner door body 21 is provided with a clamping groove 23 corresponding to the position of the door locking mechanism 3, the clamping groove 23 corresponds to the clamping part 36 of the door locking mechanism 3, and the clamping part 36 is clamped into the clamping groove 23 to achieve the locking of the oven door assembly 2.

[0034] The inner door body 21 and the outer door body 22 form a heat dissipation cavity 24 with the inner door body 21, the inner door body 21 is provided with a heat dissipation hole one 25, the outer door body 22 is provided with a heat dissipation hole two 26, the heat dissipation hole one 25 and the heat dissipation hole two 26 are communicated with the heat dissipation cavity 24, in the working process of the oven, the residual heat generated in the box body 1 flows into the heat dissipation cavity 24 through the heat dissipation hole one 25, and is discharged through the heat dissipation hole two 26, avoiding the residual heat to stay in the oven door assembly 2 to make the oven door assembly 2 hot, avoiding the operator being scalded.

[0035] The hinge mechanism 4 is installed on the oven door assembly 2 and located between the inner door body 21 and the outer door body 22, through this design, the hinge mechanism 4 can be hidden, making the whole more beautiful.

[0036] As shown in Figure 4 The box body 1 is provided with a clamping seat 6, the clamping seat 6 is fixedly installed on the box body 1, the clamping piece one 5 is provided with a clamping groove 51, the clamping seat 6 is provided with a through groove 61, one end of the clamping piece one 5 passes through the through groove 61, and the clamping groove 51 is clamped in the through groove 61, so that the clamping piece one 5 is fixedly connected with the clamping seat 6.

[0037] As shown in Figure 3 The hinge mechanism 4 includes a support seat 41, a connecting seat 43, a connecting rod 44 and a pressure spring 45, the support seat 41 is fixed on the inner door body 21, the support seat 41 is provided with a hinge hole one 42, the support seat 41 is hinged with the clamping piece one 5 through the hinge hole one 42, the connecting seat 43 is provided with a hinge hole two 47, the connecting seat 43 is hinged on the clamping piece one 5 through the hinge hole two 47, the hinge hole one 42 and the hinge hole two 47 are different shafts, the hinge hole two 47 is located above the hinge hole one 42, the connecting rod 44 is connected with the connecting seat 43, the upper end of the connecting rod 44 penetrates the support seat 41, the pressure spring 45 is sleeved on the connecting rod 44, one end of the connecting rod 44 is provided with a fixing piece 46, the pressure spring 45 is connected with the fixing piece 46 and the support seat 41 respectively.

[0038] When the oven door assembly 2 is opened and closed, the support seat 41 rotates around the hinge point of the clamping piece one 5, because the hinge points of the support seat 41 and the connecting seat 43 and the clamping piece one 5 are different, in the process of rotating the support seat 41, the clamping piece one 5 drives the connecting seat 43 and the pressure spring 45 to move, when the oven door assembly 2 is closed, the elastic force generated by the pressure spring 45 can provide power for closing the oven door assembly 2.

[0039] As shown in Figures 5 to 8As shown, the door locking mechanism 3 comprises a mounting frame 31, a buckling assembly, a driving motor 32, a driving piece and a micro switch 314, the buckling assembly, the driving motor 32 and the micro switch 314 are all mounted on the mounting frame 31, the driving motor 32 is connected with the driving piece, one end of the driving piece abuts against the buckling assembly, the driving motor 32 drives the driving piece to rotate so as to drive the buckling assembly to rotate, the buckling assembly is buckled with the box door assembly 2 to realize the opening and closing of the box door assembly 2, the other end of the driving piece is connected with the micro switch 314, whether the driving piece abuts against the micro switch 314 confirms the opening and closing state of the buckling assembly, the buckling assembly is buckled with the box door assembly 2 so as to close the box door assembly 2, which avoids the abrasion caused by long time use, thereby solving the problem of that the box door assembly 2 is not tightly closed, at the same time, the driving motor 32 drives the driving piece to rotate, the driving piece realizes the buckling effect, the automatic unlocking of the box door assembly 2 is realized, the structure is simple and practical.

[0040] The buckling assembly comprises a clamping piece two 33 and a tension spring 37, the mounting frame 31 is provided with a hinged seat 34, one end of the clamping piece two 33 is hinged with the hinged seat 34, so that the clamping piece two 33 can rotate with the hinged seat 34 as the center, the mounting frame 31 is provided with a limiting slot 35, the clamping piece two 33 passes through the limiting slot 35, one end of the clamping piece two 33 passing through the limiting slot 35 is provided with a clamping part 36, the clamping part 36 is clamped with the box door assembly 2 so as to realize the opening and closing of the box door assembly 2, when the box door assembly 2 is locked, the clamping part 36 is clamped into the clamping groove 23 of the inner door body 21, when the box door assembly 2 is opened, the driving motor 32 drives the driving piece to rotate, the driving piece drives the clamping piece two 33 to rotate, so that the clamping part 36 is separated from the clamping groove 23.

[0041] The mounting frame 31 is provided with a connecting flap 38, the connecting flap 38 is provided with a limiting gap 39, the clamping piece two 33 is provided with an abutting part 310, the abutting part 310 is provided with a limiting hole 311, the two ends of the tension spring 37 are respectively mounted in the limiting gap 39 and the limiting hole 311, the driving piece abuts against the abutting part 310, so as to drive the clamping piece two 33 to rotate, the clamping piece two 33 realizes the clamping of the box door assembly 2

[0042] The driving piece comprises a cam 312 and a roller 313, the roller 313 is connected with the cam 312, the roller 313 rotates synchronously with the cam 312, the driving motor 32 is connected with the cam 312, the driving motor 32 drives the cam 312 and the roller 313 to rotate, when the cam 312 rotates, one end of the cam 312 abuts against the abutting part 310 so as to drive the clamping piece two 33 to rotate, the roller 313 is provided with an abutting surface 315, the abutting surface 315 abuts against the micro switch 314.

[0043] The mounting frame 31 is provided with a mounting flap 316 provided with a mounting hole 317, and the driving motor 32 is mounted on the mounting flap 316 and fixed by the mounting hole 317 through a combination bolt.

[0044] When the box door assembly 2 is opened, the cam 312 is driven to rotate by the driving motor 32, and in the process of rotation, one end of the cam 312 gradually extrudes the abutting portion 310 of the clamping piece two 33, so that the clamping piece two 33 rotates until the clamping portion 36 of the clamping piece two 33 is separated from the clamping groove 23 of the inner door body 21, so that the box door assembly 2 is in an openable state, at this time, the abutting surface 315 of the roller 313 is separated from the micro switch 314, and the micro switch 314 is used to confirm that the door locking mechanism 3 is in an unlocked state, when the cam 312 continues to rotate driven by the driving motor 32, the cam 312 gradually separates from the abutting portion 310, and in the process of separation, the clamping piece two 33 is pulled to rotate back to the original position by the elastic force of the tension spring 37, the clamping portion 36 is clamped into the clamping groove 23, the clamping piece two 33 is clamped to the box door assembly 2, so that the box door assembly 2 is in a locked state, at this time, the abutting surface 315 of the roller 313 abuts against the micro switch 314, and the micro switch 314 is used to confirm that the door locking mechanism is in a locked state.

[0045] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model to solve the basically same technical problem and realize the basically same technical effect is covered in the protection scope of the utility model.

Claims

1. An open door assembly for an oven, comprising an oven body and an oven door assembly, said oven door assembly being connected to said oven body; characterized in that: The door locking mechanism is installed on the box body and is used for locking or opening the box door assembly; one end of a clamping piece one is fixed on the box body; the hinge mechanism is installed on the box door assembly and is hinged with the clamping piece one; and the box door assembly opens or closes the box body through the hinge mechanism.

2. The door opening assembly for an oven according to claim 1, characterized in that: The hinge mechanism comprises a supporting seat fixed on the box door assembly, and the supporting seat is provided with a hinge hole one, and the supporting seat is hinged with the clamping piece one through the hinge hole one.

3. The door opening assembly for an oven according to claim 2, characterized in that: The hinge mechanism further comprises a connecting seat, a connecting rod and a pressure spring, the connecting seat is provided with a hinge hole two, the connecting seat is hinged on the clamping piece one through the hinge hole two, the connecting rod is connected with the connecting seat, the connecting rod penetrates through the supporting seat, the pressure spring is sleeved on the connecting rod, one end of the connecting rod is provided with a fixing piece, and the two ends of the pressure spring are connected with the fixing piece and the supporting seat respectively.

4. The door opening assembly for an oven of claim 1, wherein: A clamping seat is further included, the clamping seat is fixed on the box body, the clamping piece one is provided with a clamping groove, and the clamping seat is provided with a through groove, and the clamping groove is clamped in the through groove.

5. The door opening assembly for an oven of claim 1, wherein: The door locking mechanism comprises a mounting frame, a buckling assembly, a driving motor and a driving piece, the buckling assembly and the driving motor are both installed on the mounting frame, the driving motor is connected with the driving piece, the driving piece is abutted with the buckling assembly, the driving motor drives the driving piece to rotate to drive the buckling assembly to rotate to realize buckling.

6. The door opening assembly for an oven according to claim 5, characterized in that: The buckling assembly comprises a clamping piece two and a hinge seat, the hinge seat is arranged on the mounting frame, the clamping piece two is hinged with the hinge seat, the mounting frame is provided with a limiting groove, the clamping piece two penetrates through the limiting groove, the clamping piece two is provided with a clamping part, and the clamping part is used for clamping the box door assembly.

7. The door opening assembly for an oven according to claim 6, characterized in that: The buckling assembly further comprises a tension spring, the mounting frame is provided with a connecting flange, the connecting flange is provided with a limiting notch, the clamping piece two is provided with an abutting part, the abutting part is provided with a limiting hole, and the two ends of the tension spring are respectively installed in the limiting notch and the limiting hole.

8. The door opening assembly for an oven of claim 5, wherein: The driving piece comprises a cam and a roller, the driving motor is connected with the cam, the cam is connected with the roller, one end of the cam is abutted with the buckling assembly, the mounting frame is provided with a micro switch, and the roller is provided with an abutting surface abutted with the micro switch.

9. The door opening assembly for an oven of claim 1, wherein: The box door assembly comprises an inner door body and an outer door body, the inner door body is fixedly connected with the outer door body, the box body is provided with a sealing ring, the inner door body is abutted with the sealing ring, the inner door body is provided with a clamping groove, and the clamping groove is clamped with the door locking mechanism.

10. The door opening assembly for an oven according to claim 9, characterized in that: The inner door body and the outer door body form a heat dissipation cavity with the inner door body, the inner door body is provided with a heat dissipation hole one, the outer door body is provided with a heat dissipation hole two, and the heat dissipation hole one and the heat dissipation hole two are communicated with the heat dissipation cavity.

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