Cooking device
By using a door opening mechanism composed of a driving unit, a cam and a tie rod in the cooking device, the problem of complex structure and high cost of the door opening mechanism of the existing cooking device is solved, and the automatic door opening function and cost reduction of the box door are realized.
Patent Information
- Application Number
- CN202420815518.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The door opening mechanism of the existing cooking device is complex and costly, making it difficult to achieve the goal of simplifying the structure and reducing costs.
The door opening mechanism including a driving unit, a cam and a tie rod is adopted. The cam is driven to rotate through the driving unit, so that the tie rod moves close to or away from the front wall of the box. One end of the tie rod is abutted with the box door and the box door is opened to a preset angle.
The automatic door opening function of the box door is realized, with a simple structure and low installation difficulty, reducing costs and improving the convenience of the cooking device.
Smart Images

Figure CN222853613U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of household appliances, in particular to a cooking device. Background Art
[0002] Ovens, steamers, steam ovens and other cooking devices are a kind of cooking machine that contains food in a closed space and heats and cooks the food. With the upgrading of products, people have higher and higher performance requirements for ovens, steamers, steam ovens and other cooking devices.
[0003] A cooking device such as an oven generally comprises a housing and an inner container arranged in the housing, wherein a cooking cavity is formed in the inner container, and food is cooked at high temperature in the cooking cavity. A door is arranged at the front side of the housing, and the door is used to open and close the cooking cavity.
[0004] In related cooking devices such as ovens, the oven door is usually opened and closed by hinges, and the door needs to be opened and closed manually. Some cooking devices also use electric door opening mechanisms to achieve a small-angle automatic door opening function, but their structure is relatively complex and the cost is relatively high. Utility Model Content
[0005] The purpose of the utility model is to provide a cooking device to optimize the structure of a door opening mechanism of a cooking device in the related art, simplify the structure and reduce the cost.
[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0007] According to one aspect of the utility model, the utility model provides a cooking device, which includes: a box body, which forms an outer shell of the cooking device; an inner pot, in which a cooking cavity is formed; a box door, which is rotatably arranged on the front side of the box body, and is used to open and close the cooking cavity; a door opening mechanism, which is used to push the box door open to a preset angle; the door opening mechanism includes a driving unit, a cam and a pull rod; wherein one end of the pull rod is movably arranged at the front wall of the box door, and the other end of the pull rod is extended in a direction away from the front wall of the box body and is eccentrically connected to the cam; the cam is arranged at the output end of the driving unit; the driving unit can drive the cam to rotate circumferentially so that the pull rod moves in a direction close to or away from the front wall of the box body; when the pull rod moves in a direction away from or close to the front wall of the box body, one end of the pull rod can abut against the box door so that the box door is pushed open to a preset angle.
[0008] The embodiments of the present invention have the following advantages and positive effects:
[0009] In the cooking device of the embodiment of the utility model, a door opening mechanism is provided on the front wall of the box body to provide a door opening force, thereby being able to push open the box door, so that the box door can be pushed open to a preset angle. The door opening mechanism includes a driving unit, a cam and a pull rod. The driving unit can drive the cam to rotate, so that the pull rod moves toward or away from the front wall of the box body. By moving the pull rod toward or away from the front wall of the box body, one end of the pull rod can be against the box door, driving the box door to be pushed open to a preset angle. This solution has a simple structure and is relatively easy to install, which is conducive to simplifying the structure of the door opening mechanism and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of a cooking device according to an embodiment of the utility model.
[0011] Figure 2 yes Figure 1 The structural diagram without the door is shown in FIG.
[0012] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of area A in the middle.
[0013] Figure 4 yes Figure 1 Side view of.
[0014] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure of area B in the middle.
[0015] Figure 6 yes Figure 2 Schematic diagram of part of the structure.
[0016] Figure 7 yes Figure 6 Schematic diagram of the local structure from another perspective.
[0017] Figure 8 yes Figure 7 Schematic diagram of the enlarged structure of the C area in the middle.
[0018] Fig. 9 yes Figure 8 Schematic diagram of the structure in another state.
[0019] Fig.10 yes Figure 8 Schematic diagram of the structure of the door opening mechanism in the state.
[0020] Fig.11 yes Fig.10 Top view of the .
[0021] Fig.12 yes Fig. 9 Schematic diagram of the structure of the door opening mechanism in the state.
[0022] Fig.13 yes Fig.11 Top view of the .
[0023] Fig.14 yes Fig.10 Schematic diagram of some structures in .
[0024] Fig.15 yes Fig.14 A schematic diagram of the decomposed structure.
[0025] Fig.16 yes Fig.10 Schematic diagram of the middle part structure.
[0026] Fig.17 yes Fig.16 A schematic diagram of the decomposed structure.
[0027] The reference numerals are as follows: 1. box body; 10. access opening; 11. box door; 12. door frame; 121. door seal; 122. telescopic opening; 13. front cover; 131. display screen; 132. control knob; 14. heat dissipation duct; 15. first fixing seat; 151. rotating shaft; 152. first fixing part; 16. supporting back plate; 17. second fixing seat; 171. second fixing part; 172. shaft hole; 2. liner; 20. cooking cavity; 21. fan cover; 211. air supply port; 212. air return port; 3. door opening mechanism; 31
[0028] , push member; 311, push portion; 312, connecting hole; 32, pull rod; 321, first hook; 322, second hook; 33, cam; 3301, first eccentric hole; 3302, second eccentric hole; 331, first protrusion; 332, second protrusion; 34, drive unit; 35, micro switch. DETAILED DESCRIPTION
[0029] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present invention.
[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0033] In related cooking devices such as ovens, the oven door is usually opened and closed with hinges, and the door needs to be opened and closed manually. Some cooking devices also use electric door opening mechanisms to achieve a small-angle automatic door opening function, but their structure is relatively complex and the cost is relatively high.
[0034] For the sake of ease of description, unless otherwise specified, the directions of up, down, left, right, front and back in this article are all based on the state of the cooking device when in use. The door of the cooking device is the front, the opposite direction is the back, the vertical direction is the up and down direction, and the horizontal direction is the left and right direction.
[0035] Figure 1 It is a structural schematic diagram of a cooking device according to an embodiment of the utility model. Figure 2 yes Figure 1 The structural diagram in which the door 11 is removed.
[0036] See also Figure 1 to Figure 2As shown, the cooking device provided in the embodiment of the present invention may include a box 1. The box 1 is configured as a shell of the cooking device. The box 1 may be a rectangular hollow structure. It should be noted that in other embodiments, the box 1 may also adopt a shell structure of other shapes. The specific shape of the box 1 can be adjusted as needed and is not limited here.
[0037] In some embodiments, a cooking cavity 20 may be formed in the housing 1. The cooking cavity 20 may be used for high temperature cooking such as steaming and baking food.
[0038] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of area A in the middle. Figure 4 yes Figure 1 Side view of. Figure 5 yes Figure 4 Schematic diagram of the enlarged structure of area B in the middle. Figure 6 yes Figure 2 Schematic diagram of part of the structure.
[0039] See also Figures 2 to 6 As shown, in some embodiments, the cooking device may include an inner pot 2. The inner pot 2 may be disposed in the housing 1. A cooking cavity 20 may be formed in the inner pot 2. The front end of the inner pot 2 may have an opening. The front end opening of the inner pot 2 may communicate with the interior of the cooking cavity 20.
[0040] In some embodiments, a take-in / put-out opening 10 may be provided on the front side wall of the housing 1. The take-in / put-out opening 10 on the front side of the housing 1 may be directly connected to the front end opening of the cooking cavity 20 in the inner pot 2. Therefore, the food to be cooked can be put into the cooking cavity 20 through the take-in / put-out opening 10 on the front side of the housing 1 for high-temperature cooking. After cooking, the food can be taken out of the cooking cavity 20 through the take-in / put-out opening 10 on the front side of the housing 1.
[0041] See also Figure 1 to Figure 2 As shown, in some embodiments, a cabinet door 11 may be provided on the front side of the cabinet 1. The cabinet door 11 may be movably disposed on the front side wall of the cabinet 1. The cabinet door 11 can open and close the access opening 10 on the front side of the cabinet 1, and further open and close the cooking cavity 20.
[0042] In some embodiments, a door frame 12 may be provided on the front side wall of the cabinet 1. The cabinet door 11 may be rotatably connected to the front side of the door frame 12. The access opening 10 on the front side of the cabinet 1 may be opened at the center of the door frame 12. The door frame 12 may be arranged around the access opening 10 of the cabinet 1. The front opening of the cooking cavity 20 in the inner pot 2 may be directly opposite to the center of the door frame 12. The door frame 12 may be arranged around the front opening of the inner pot 2. When the cabinet door 11 is closed, the peripheral edge of the cabinet door 11 may fit with the front side of the door frame 12 to seal the gap between the cabinet door 11 and the door frame 12, thereby closing the access opening 10 and the cooking cavity 20.
[0043] See also Figure 2 As shown, in some embodiments, a door seal 121 may be provided around the front opening of the cabinet 1. The door seal 121 may be provided in the gap between the periphery of the inner pot 2 and the door frame 12. The door seal 121 may be provided protrudingly on the front side of the door frame 12. When the cabinet door 11 is closed, the cabinet door 11 can be sealed against the door seal 121, sealing the gap between the door frame 12 and the cabinet door 11, thereby sealing the access opening 10 of the cabinet 1 and the front opening of the cooking cavity 20.
[0044] See also Figure 1 to Figure 2 As shown, in some embodiments, the bottom end of the door 11 can be rotatably connected to the bottom of the door frame 12. When the door 11 rotates, the top end of the door 11 can be close to or away from the door frame 12, thereby opening or closing the access opening 10 on the door frame 12.
[0045] In some embodiments, the cooking device may include a hinge mechanism (not shown). The hinge mechanism may be disposed between the door 11 and the door frame 12 of the cabinet 1. The hinge mechanism may be connected to the bottom of the door frame 12 and the bottom of the door 11, respectively. The bottom of the door 11 may be rotatably connected to the bottom of the door frame 12 by the hinge mechanism. The hinge mechanism may have a rotating shaft 151. The hinge mechanism can perform an opening and closing action with the rotating shaft 151 as the axis, so that the door 11 can rotate with the rotating shaft 151 as the axis, thereby opening or closing the access opening 10.
[0046] In some embodiments, the hinge mechanism may be provided with two groups. The two groups of hinge mechanisms may be provided at the left and right sides of the bottom area of the door 11. The rotating shafts 151 of the two groups of hinge mechanisms may be arranged coaxially. The door 11 can be rotated by the rotating shafts 151 of the two groups of hinge mechanisms to realize the opening or closing of the door 11.
[0047] See also Figure 1 to Figure 2As shown, in some embodiments, an elastic member (not shown in the figure) may be provided in the hinge mechanism. The elastic member may provide elastic force. The elastic force of the elastic member can drive the hinge mechanism to close, so that the box door 11 can automatically close the access opening 10. In addition, the elastic force of the elastic member can keep the box door 11 in a closed state.
[0048] See also Figure 2 and Figure 6 As shown, in some embodiments, a heating device (not shown) may be provided in the box body 1. The heating device may be provided on the top wall of the inner pot 2. The heating device may be provided in the top area of the cooking cavity 20. The heating device may be used to heat the air in the cooking cavity 20, thereby raising the temperature inside the cooking cavity 20, forming a high temperature environment in the cooking cavity 20, and realizing high temperature cooking of the food in the cooking cavity 20.
[0049] It should be noted that, in other embodiments, the heating device may also be disposed on other side walls such as the rear wall and the bottom wall of the inner container 2. In other embodiments, the heating device may also be disposed on multiple devices. Multiple heating devices may be disposed on other side walls such as the rear wall and the bottom wall of the inner container 2, respectively.
[0050] See also Figure 2 and Figure 6 As shown, in some embodiments, an air supply fan (not shown) may be provided in the inner pot 2. The air supply fan may be provided on the back side of the cooking cavity 20. The air supply fan may be rotatably arranged on the rear wall of the inner pot 2. The air supply fan may be used to provide wind force, thereby blowing air into the cooking cavity 20, so that the temperature in the cooking cavity 20 can be more evenly distributed.
[0051] It should be noted that, in other embodiments, the air supply fan may also be arranged on the left and right inner walls or other side walls of the inner tank 2.
[0052] See also Figure 2 and Figure 6 As shown, in some embodiments, a fan cover 21 may be provided at the rear wall inside the inner liner 2. The fan cover 21 may be provided on the rear wall inside the inner liner 2. A fan silo (not shown) may be enclosed between the fan cover 21 and the rear wall of the inner liner 2. An air supply fan may be provided in the fan silo.
[0053] In some embodiments, the fan cover 21 may be provided with an air supply port 211 connecting the fan compartment and the cooking cavity 20. The fan cover 21 may also be provided with an air return port 212 connecting the fan compartment and the cooking cavity 20. When the air supply fan is running, the air supply fan can transport the air in the fan compartment into the cooking cavity 20 through the air supply port 211, and allow the air in the cooking cavity 20 to return to the fan compartment through the air return port 212, thereby forming an air circulation flow in the cooking cavity 20 and the fan compartment, so that the temperature distribution in the cooking cavity 20 is more uniform.
[0054] In some embodiments, a heating pipe (not shown) may be provided in the fan compartment. The heating pipe may be annular. The heating pipe may be arranged circumferentially around the air supply fan. The heating pipe may heat the air in the fan compartment. When the air supply fan is running, the air supply fan may transport the hot air in the fan compartment into the cooking cavity 20 through the air supply port 211, thereby increasing the temperature in the cooking cavity 20 and improving the cooking efficiency.
[0055] See also Figures 1 to 6 As shown, in some embodiments, a control panel (not shown) may be provided in the housing 1. The control panel may be used to control the operation of the heating device, the air supply fan and other electronic control components in the cooking cavity 20. The control panel may be provided on the inner wall of the housing 1.
[0056] In some embodiments, a front cover 13 may be provided on the front wall of the box body 1. The front cover 13 may be provided above the access opening 10. The front cover 13 may be provided above the box door 11. The control panel may be provided on the inner side wall of the front cover 13.
[0057] In some embodiments, a display screen 131 may be provided on the front cover 13. The display screen 131 may be exposed from the front cover 13. The display screen 131 may be provided on the outer side wall of the control panel. The control panel may be provided on the inner side wall of the display screen 131. The display screen 131 may be connected to the control panel signal. The control panel may display and control the entire cooking device through the display screen 131.
[0058] In some embodiments, a control knob 132 may be provided on the front cover 13. The control knob 132 may be connected to a control panel signal. When the control knob 132 is rotated, a control signal may be generated to control the operation of the electric control device inside the inner tank 2 or other electric control devices in the box body 1.
[0059] In some embodiments, a plurality of control knobs 132 may be provided. The plurality of control knobs 132 may be arranged at intervals on the front cover 13. The plurality of control knobs 132 may respectively control the operation of the electric control components inside the inner liner 2 or other electric control components in the box body 1. It should be noted that the number of control knobs 132 may be adjusted as needed and is not limited here.
[0060] Figure 7 yes Figure 6 Schematic diagram of the local structure from another perspective.
[0061] See also Figure 6 to Figure 7As shown, in some embodiments, a heat dissipation duct 14 may be provided in the cabinet 1. The heat dissipation duct 14 may be provided above the top of the cooking cavity 20. The heat dissipation duct 14 may be provided above the top of the inner pot 2. The air inlet end of the heat dissipation duct 14 may be connected to the interior of the cabinet 1. The air outlet end of the heat dissipation duct 14 may be provided on the front wall of the cabinet 1. The air outlet end of the heat dissipation duct 14 may be connected to the front side space of the cabinet 1. The heat in the cabinet 1 may be discharged to the front side space of the cabinet 1 through the heat dissipation duct 14, thereby realizing the heat dissipation function inside the cabinet 1.
[0062] It should be noted that, in other embodiments, the air outlet end of the heat dissipation duct 14 may also be arranged on other side walls of the box body 1 .
[0063] In some embodiments, a heat dissipation fan (not shown in the figure) may be provided in the heat dissipation duct 14. The heat dissipation fan may be provided at the air inlet end of the heat dissipation duct 14. The heat dissipation fan may be used to provide wind force. The wind force of the heat dissipation fan may draw air in the box body 1. The heat in the box body 1 may be discharged to the front space of the box body 1 through the heat dissipation duct 14, thereby realizing the heat dissipation function inside the box body 1.
[0064] Figure 8 yes Figure 7 Schematic diagram of the enlarged structure of the C area in the middle. Fig. 9 yes Figure 8 Schematic diagram of the structure in another state.
[0065] See also Figures 2 to 9 As shown, in some embodiments, a door opening mechanism 3 may be provided on the front wall of the housing 1. The door opening mechanism 3 may be used to push open the door 11 so that the door 11 can be automatically opened to a preset angle. For example, the door opening mechanism 3 may push open the door 11 so that the door 11 is pushed open to a preset angle, so that the inside of the cooking cavity 20 can dissipate heat through the open gap between the access port 10 and the door 11, thereby realizing the small-angle door opening heat dissipation function of the cooking device. In some recipes, after the food is baked at high temperature, it is necessary to open the door 11 immediately to dissipate heat so that the food tastes the best. In some recipes, during the high-temperature baking process, it is necessary to intermittently open the door 11 for a short period of time to dissipate heat in order to achieve the best food state.
[0066] It should be noted that the door opening mechanism 3 pushes the box door 11 to a preset angle, and the preset angle can be adjusted as needed and is not limited here.
[0067] In some embodiments, the door opening mechanism 3 may include a push piece 31. The push piece 31 may be rotatably disposed on the front wall of the cabinet 1. The push piece 31 may be rotatably connected to the back side of the front wall of the cabinet 1. One end of the push piece 31 may be movably passed through the front wall of the cabinet 1. When the push piece 31 rotates on the front wall of the cabinet 1, one end of the push piece 31 may be rotatably protruded out of the front wall of the cabinet 1. At this time, the push piece 31 may abut against the cabinet door 11, and by squeezing the cabinet door 11, the cabinet door 11 may be pushed open to a preset angle, so that the cooking cavity 20 may be connected to the outside of the cabinet 1 through the access port 10, thereby realizing the heat dissipation function of opening the door at a small angle.
[0068] In some embodiments, when the push member 31 rotates in the reverse direction, the end of the push member 31 can be separated from the door 11. At this time, the door 11 can close the access opening 10 and the cooking cavity 20 again under the action of the elastic member of the hinge assembly. At this time, the push member 31 will not prevent the door 11 from closing the access opening 10 normally.
[0069] Fig.10 yes Figure 8 Structural schematic diagram of the door opening mechanism 3 in this state. Fig.11 yes Fig.10 Top view of the . Fig.12 yes Fig. 9 Structural schematic diagram of the door opening mechanism 3 in this state. Fig.13 yes Fig.11 Top view of the .
[0070] See also Figures 8 to 13 As shown, in some embodiments, a push portion 311 is formed at one end of the push member 31. The push portion 311 can be movably arranged on the front wall of the box body 1. When the push member 31 rotates on the front wall of the box body 1, the push portion 311 can protrude from the front wall of the box body 1 and abut against the box door 11, so that the box door 11 is pushed open to a preset angle.
[0071] See also Figures 2 to 9 As shown, in some embodiments, a telescopic opening 122 may be provided on the front wall of the box body 1. The push portion 311 may be movably disposed at the telescopic opening 122. The push member 31 may be disposed on the back side of the front wall of the box body 1. When the push member 31 rotates on the front wall of the box body 1, the push portion 311 may pass through the telescopic opening 122 and protrude out of the front wall of the box body 1 to abut against the box door 11, thereby pushing the box door 11 open to a preset angle.
[0072] In some embodiments, the telescopic opening 122 can be opened on the door frame 12. The telescopic opening 122 can be arranged in the top area of the door frame 12. The telescopic opening 122 can be arranged above the top of the access opening 10. The telescopic opening 122 can be arranged opposite to the top of the door 11. The push member 31 is rotatably arranged on the back side of the door frame 12. When the push member 31 rotates on the back side of the door frame 12, the push portion 311 can protrude out of the telescopic opening 122 and abut against the top area of the door 11, thereby pushing the door 11 open to a preset angle.
[0073] It should be noted that, in other embodiments, the telescopic opening 122 may also be arranged at the side area of the door frame 12. The telescopic opening 122 may be arranged at the side of the access opening 10. The telescopic opening 122 may be arranged opposite to the side area of the door 11. When the push member 31 rotates on the back side of the door frame 12, one end of the push member 31 extends out of the telescopic opening 122 and abuts against the side area of the door 11.
[0074] See also Figures 2 to 13 As shown, in some embodiments, the door opening mechanism 3 may include a pull rod 32. The pull rod 32 may be arranged inside the box body 1. The pull rod 32 may be arranged outside the inner liner 2. The pull rod 32 may be in a long strip structure. The pull rod 32 may be extended along the front and rear directions of the box body 1. One end of the pull rod 32 may be movably arranged at the front wall of the box body 1. The end of the pull rod 32 close to the front wall of the box body 1 is hinged to the end of the push member 31 away from the push portion 311.
[0075] When the pull rod 32 moves away from the front wall of the box body 1 and the box door 11, the pull rod 32 can pull the push member 31 to rotate, so that the push member 31 can protrude from the front wall of the box body 1 and abut against the box door 11, so as to drive the box door 11 to open to a preset angle. Figure 8 Status shown.
[0076] When the pull rod 32 moves toward the direction close to the front wall of the box body 1, the pull rod 32 can push the push member 31 to rotate in the opposite direction, so that the push portion 311 can move toward the inside of the telescopic opening 122, thereby separating the push portion 311 from the box door 11. At this time, the box door 11 can close the access opening 10 and the cooking cavity 20 again. Fig. 9 Status shown.
[0077] It should be noted that, in some other embodiments, the end of the pull rod 32 close to the front wall of the box body 1 can also be hingedly connected to the end of the push member 31 close to the push portion 311. The push portion 311 and the end of the pull rod 32 close to the front wall of the box body 1 are located at the same end of the push member 31. In this case, when the pull rod 32 moves in the direction close to the front wall of the box body 1, the pull rod 32 can pull the push member 31 to rotate, so that the push member 31 can protrude from the front wall of the box body 1 and abut against the box door 11. When the pull rod 32 moves in the direction close to the front wall of the box body 1, the pull rod 32 can push the push member 31 to rotate in the opposite direction, so that the push portion 311 can move toward the inside of the telescopic opening 122, thereby separating the push portion 311 from the box door 11. In some embodiments, the pull rod 32 and the push member 31 can also be arranged on the top upper side of the inner liner 2. The extension direction of the pull rod 32 can be arranged parallel to the front and rear direction of the box body 1. It should be noted that, in other embodiments, the extension direction of the pull rod 32 may also form a certain angle with the front-rear direction of the box body 1 .
[0078] Fig.14 yes Fig.10 Schematic diagram of some structures in . Fig.15 yes Fig.14 A schematic diagram of the decomposed structure.
[0079] See also Figures 8 to 15 As shown, in some embodiments, a first fixing seat 15 may be convexly provided on the back side of the door frame 12. The first fixing seat 15 may be arranged on one side of the telescopic opening 122. The push member 31 may be rotatably arranged on the first fixing seat 15. The push portion 311 may be formed at one end of the push member 31 close to the telescopic opening 122. One end of the pull rod 32 close to the box door 11 may be hingedly connected to one end of the push member 31 away from the telescopic opening 122.
[0080] In some embodiments, a rotating shaft 151 is disposed on the first fixed seat 15. The push member 31 can be rotatably connected to the rotating shaft 151. The push member 31 can rotate forward or reverse on the first fixed seat 15 with the rotating shaft 151 as an axis. The end of the pull rod 32 close to the door 11 and the push portion 311 can be disposed on opposite sides of the rotating shaft 151.
[0081] It should be noted that, in other embodiments, the end of the pull rod 32 close to the door 11 and the push portion 311 may also be disposed on the same side of the rotating shaft 151 .
[0082] In some embodiments, the push member 31 may be arranged above the top surface of the first fixing seat 15. In some other embodiments, the push member 31 may also be arranged below the bottom surface of the first fixing seat 15.
[0083] See also Figures 8 to 15As shown, in some embodiments, a first fixing portion 152 bent and extended upward may be provided on one side of the first fixing seat 15 close to the door frame 12. The first fixing seat 15 may be fixedly mounted on the back side of the door frame 12 through the first fixing portion 152.
[0084] It should be noted that, in other embodiments, the first fixing portion 152 may also be bent downward and extended from one side of the first fixing seat 15 close to the door frame 12 .
[0085] See also Figures 8 to 15 As shown, in some embodiments, the end of the pull rod 32 close to the box door 11 may be provided with a first hook portion 321 that is bent and extended. The end of the push member 31 away from the push portion 311 may be provided with a connecting hole 312. The first hook portion 321 is rotatably hooked at the connecting hole 312. When the pull rod 32 moves toward or away from the front wall of the box body 1, the first hook portion 321 can drive the push member 31 to rotate forward or reverse.
[0086] See also Figures 8 to 13 As shown, in some embodiments, the door opening mechanism 3 may include a cam 33. The cam 33 is rotatably disposed at one end of the pull rod 32 away from the push member 31. The end of the pull rod 32 away from the push member 31 may be eccentrically connected to the cam 33, that is, there is a gap between the end of the pull rod 32 connected to the cam 33 and the rotation axis of the cam 33. The end of the pull rod 32 away from the push member 31 can rotate relative to the cam 33. When the cam 33 rotates circumferentially, the cam 33 can drive the pull rod 32 to move toward or away from the front wall of the box body 1.
[0087] In some embodiments, during one rotation of the cam 33, the first half of the rotation of the cam 33 can drive the pull rod 32 to move toward the front wall of the box 1, and the second half of the rotation of the cam 33 can drive the pull rod 32 to move away from the front wall of the box 1. Therefore, when the cam 33 rotates continuously in the circumference, the cam 33 can periodically drive the pull rod 32 to move toward the front wall of the box 1 and drive the pull rod 32 to move away from the front wall of the box 1.
[0088] Fig.16 yes Fig.10 Schematic diagram of the structure of the middle part. Fig.17 yes Fig.16 A schematic diagram of the decomposed structure.
[0089] See also Figures 10 to 17As shown, in some embodiments, the cam 33 may be provided with a first eccentric hole 3301. There may be a gap between the first eccentric hole 3301 and the axis of the cam 33. The end of the pull rod 32 away from the push member 31 may be provided with a second hook 322. The second hook 322 is rotatably hooked at the first eccentric hole 3301. The second hook 322 can rotate in the first eccentric hole 3301. When the cam 33 rotates circumferentially, the cam 33 can drive the pull rod 32 to move toward or away from the front wall of the box body 1 through the second hook 322.
[0090] See also Figures 10 to 17 As shown, in some embodiments, the door opening mechanism 3 may include a driving unit 34. The cam 33 may be provided at the output end of the driving unit 34. The driving unit 34 can drive the cam 33 to rotate circumferentially through its output end, and the cam 33 rotates circumferentially to drive the pull rod 32 to move toward or away from the front wall of the box body 1, thereby driving the push member 31 to rotate forward or reversely.
[0091] In some embodiments, the driving unit 34 may be a driving motor. The cam 33 may be disposed on an output shaft of the driving motor.
[0092] In some embodiments, the driving motor used by the driving unit 34 may be a motor that continuously rotates in the circumferential direction. In some other embodiments, the driving motor used by the driving unit 34 may also be a forward and reverse motor.
[0093] See also Figure 6 to Figure 7 As shown, in some embodiments, the drive unit 34 can be arranged at intervals on the outside of the inner pot 2. The drive unit 34 can be away from the cooking cavity 20 in the inner pot 2. The drive unit 34 can be arranged at one end of the inner pot 2 away from the door 11. The drive unit 34 can be arranged at intervals from the heat dissipation duct 14. The drive unit 34 can be arranged on one side of the heat dissipation duct 14 away from the door 11. The drive unit 34 can be spaced or away from the high temperature environment in the cabinet 1, reducing the ambient temperature of the drive unit 34 in the door opening mechanism 3, making the drive unit 34 less likely to be damaged, thereby improving the reliability and service life of the drive motor.
[0094] In some embodiments, the driving unit 34 can be arranged at intervals on the back side of the inner pot 2, so that the driving unit 34 can be kept away from high temperature environments such as the cooking cavity 20 and the heat dissipation duct 14 in the inner pot 2.
[0095] See also Figures 6 to 17 As shown, in some embodiments, a vertically arranged support back plate 16 may be provided in the box body 1. The support back plate 16 may be arranged at intervals on the back of the inner tank 2. The drive unit 34 may be installed on the back of the support back plate 16, thereby lowering the ambient temperature of the drive unit 34 and keeping the drive unit 34 away from the high temperature environment of the box body 1.
[0096] In some embodiments, the back of the support back plate 16 may be provided with a second fixing seat 17. The second fixing seat 17 may be convexly provided on the back of the support back plate 16. The driving unit 34 may be fixed on the second fixing seat 17. The cam 33 may be rotatably arranged on the second fixing seat 17.
[0097] See also Figures 6 to 17 As shown, in some embodiments, a second fixing portion 171 bent and extended upward may be provided on one side of the second fixing seat 17 close to the supporting back plate 16. The second fixing seat 17 may be fixedly mounted on the back side of the supporting back plate 16 through the second fixing portion 171.
[0098] It should be noted that, in other embodiments, the second fixing portion 171 may also be bent and extended downward from one side of the second fixing seat 17 close to the supporting back plate 16 .
[0099] See also Figure 16 to Figure 17 As shown, in some embodiments, the second fixing seat 17 may be provided with an axial hole 172. The driving unit 34 may be provided below the bottom surface of the second fixing seat 17. The cam 33 may be arranged above the top surface of the second fixing seat 17. The output shaft of the driving unit 34 may pass through the axial hole 172 and be connected to the cam 33.
[0100] It should be noted that, in some other embodiments, the driving unit 34 may also be arranged above the top surface of the second fixing seat 17 . The cam 33 may also be arranged below the bottom surface of the second fixing seat 17 .
[0101] See also Figures 10 to 17 As shown, in some embodiments, a first protrusion 331 may be convexly provided on the peripheral side wall of the cam 33. The first eccentric hole 3301 may be arranged on the first protrusion 331. One end of the pull rod 32 away from the push member 31 may be hingedly connected to the first protrusion 331. When the driving unit 34 drives the cam 33 to rotate circumferentially, the first protrusion 331 can periodically rotate toward the side close to the door 11 and toward the side away from the door 11, and then drive the pull rod 32 to move toward or away from the front wall of the box body 1 through the first protrusion 331. Specifically, when the cam 33 drives the first protrusion 331 to rotate toward the side away from the door 11, the pull rod 32 can move toward the direction away from the front wall of the box body 1. When the cam 33 drives the first protrusion 331 to rotate toward the side close to the door 11, the pull rod 32 can move toward the direction close to the front wall of the box body 1.
[0102] In some embodiments, a second protrusion 332 may be protruded on the peripheral side wall of the cam 33. The second protrusion 332 and the first protrusion 331 may be disposed on opposite sides of the rotation axis of the cam 33. The second protrusion 332 may be provided with a second eccentric hole 3302. The second hook 322 of the pull rod 32 may also be hingedly connected to the second eccentric hole 3302.
[0103] See also Figures 10 to 17 As shown, in some embodiments, a micro switch 35 may be provided on one side of the cam 33 away from the door 11. The micro switch 35 may be provided on the second fixing seat 17. The first protrusion 331 and the second protrusion 332 of the cam 33 may respectively abut against the micro switch 35, thereby generating control signals respectively. According to the control signal of the micro switch 35, the driving unit 34 and the cam 33 may be respectively controlled to stop rotating, thereby accurately controlling the rotation angle of the cam 33, and accurately controlling the moving position of the pull rod 32 and the rotation position of the push member 31.
[0104] When the first protrusion 331 rotates to the end of the cam 33 away from the door 11, the first protrusion 331 can abut against the micro switch 35, and the second protrusion 332 can be located at the end of the cam 33 close to the door 11. Figure 8 At this time, the push portion 311 of the push member 31 can protrude from the front wall of the box body 1 and abut against the box door 11, so that the box door 11 can be opened to a preset angle.
[0105] When the second protrusion 332 rotates to the end of the cam 33 away from the door 11, the second protrusion 332 can abut against the micro switch 35, and the first protrusion 331 can be located at the end of the cam 33 close to the door 11. Fig. 9 At this time, the push portion 311 of the push member 31 can be separated from the door 11, so that the door 11 can close the access opening 10 and the cooking cavity 20 again.
[0106] It should be noted that, in some other embodiments, the door opening mechanism 3 may not include the push member 31. The door opening mechanism 3 may directly push against the door 11 through the end of the pull rod 32 close to the front wall of the box body 1. When the driving unit 34 drives the cam 33 to rotate circumferentially, the cam 33 can drive the pull rod 32 to move toward or away from the front wall of the box body 1, thereby making the end of the pull rod 32 close to the front wall of the box body 1 directly push against the door 11, so that the door 11 can be opened to a preset angle.
[0107] Although the utility model has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the utility model can be implemented in a variety of forms without departing from the spirit or essence of the utility model, it should be understood that the above-mentioned embodiments are not limited to any of the aforementioned details, but should be widely interpreted within the spirit and scope defined by the attached claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the attached claims.
Claims
1. A cooking device, characterized in that: include: A housing, the housing forming an outer shell of the cooking device; An inner pot, wherein a cooking cavity is formed in the inner pot; A box door, the box door is rotatably arranged on the front side of the box body, and the box door is used to open and close the cooking cavity; A door opening mechanism, the door opening mechanism is used to push open the box door to a preset angle; the door opening mechanism comprises a driving unit, a cam and a pull rod; Wherein, one end of the pull rod is movably arranged at the front wall of the box door, and the other end of the pull rod is extended in a direction away from the front wall of the box body and eccentrically connected to the cam; The cam is arranged at the output end of the driving unit; The driving unit can drive the cam to rotate circumferentially, so that the pull rod moves toward or away from the front wall of the box; When the pull rod moves in a direction away from or close to the front wall of the box body, one end of the pull rod can abut against the box door, so that the box door is pushed open to a preset angle.
2. The cooking device according to claim 1, characterized in that: The door opening mechanism includes a push piece; the push piece is rotatably arranged on the front wall of the box body, and the push piece is hinged to an end of the pull rod close to the box door; When the pull rod moves away from or toward the front wall of the box, one end of the pull rod can drive the push piece to rotate, so that one end of the push piece can protrude from the front wall of the box and resist the box door, so that the box door is pushed open to a preset angle.
3. The cooking device according to claim 2, characterized in that: A push portion is formed at one end of the push member; One end of the pull rod close to the front wall of the box body is hinged to one end of the push member away from the push portion; When the pull rod moves in a direction away from the front wall of the box body, the pull rod can pull the push member to rotate, so that the push portion can protrude from the front wall of the box body and abut against the box door, so that the box door is pushed open to a preset angle; When the pull rod moves toward the direction approaching the front wall of the box body, the pull rod can push the push member to rotate in the opposite direction, so that the push portion can be separated from the box door.
4. The cooking device according to claim 3, characterized in that: A telescopic opening is provided on the front wall of the box body; the push portion can be movably inserted into the telescopic opening; When the pull rod moves in a direction away from the front wall of the box body, the pull rod can pull the push member to rotate, so that the push portion can protrude out of the telescopic opening and abut against the box door.
5. The cooking device according to claim 4, characterized in that: A door frame is arranged on the front wall of the box body, the telescopic opening is arranged on the door frame, and the push member is rotatably arranged on the back side of the door frame.
6. The cooking device according to claim 5, characterized in that: A first fixing seat is convexly provided on the back side of the door frame, and the first fixing seat is arranged on one side of the telescopic opening; The push member is rotatably arranged on the first fixing seat, and the push portion is formed at one end of the push member close to the telescopic opening.
7. The cooking device according to claim 5, characterized in that: The door frame is provided with a take-in / put-out opening connected to the cooking cavity, the telescopic opening is provided at the top of the door frame, and the telescopic opening is located above the take-in / put-out opening; The bottom end of the box door is rotatably connected to the bottom of the door frame, and the telescopic opening is arranged opposite to the top of the box door.
8. The cooking device according to claim 1, characterized in that: The driving units are arranged at intervals on the outside of the inner container, and the driving units are arranged at one end of the inner container away from the box door.
9. The cooking device according to claim 8, characterized in that: The driving units are arranged at intervals on the back side of the inner container.
10. The cooking device according to claim 9, characterized in that A vertically arranged support back plate is provided in the box body, and the support back plate is arranged at intervals on the back of the inner container; The driving unit is installed on the back of the supporting back plate.
11. The cooking device according to claim 10, characterized in that A second fixing seat is convexly provided on the back of the supporting back plate, the driving unit is fixed on the second fixing seat, and the cam is rotatably arranged on the second fixing seat.
12. The cooking device according to claim 1, characterized in that: A first protrusion is convexly provided on the peripheral side wall of the cam, and one end of the pull rod is hinged to the first protrusion; When the driving unit drives the cam to rotate circumferentially, the first protrusion can drive the pull rod to move toward or away from the front wall of the box body.
13. The cooking device according to claim 12, characterized in that A second protrusion is convexly provided on the peripheral side wall of the cam, and the second protrusion and the first protrusion are arranged on opposite sides of the rotating shaft of the cam; a micro switch is arranged on the side of the cam away from the box door; When the first protrusion rotates to the end of the cam away from the box door, the first protrusion can abut against the micro switch, and the second protrusion is located at the end of the cam close to the box door; When the second protrusion rotates to the end of the cam away from the box door, the second protrusion can abut against the micro switch, and the first protrusion is located at the end of the cam close to the box door.
14. The cooking device according to claim 1, characterized in that: The cooking device comprises a heat dissipation duct, which is arranged in the box and disposed on the top upper side of the inner pot; the air inlet end of the heat dissipation duct is connected to the inside of the box, and the air outlet end of the heat dissipation duct is arranged on the front wall of the box; The pull rod is arranged on the top upper side of the inner tank, the drive unit is spaced apart from the heat dissipation duct, and the drive unit is arranged on a side of the heat dissipation duct away from the box door.