Steaming oven door locking device and integrated cooker using same

Abstract

The utility model discloses a steam oven door locking device and an integrated stove using the same, and relates to the field of steam ovens of integrated stoves. A locking device of a traditional integrated stove steaming oven generally adopts a direct insertion type structure, a gap is formed between a spring bolt and a lock hole of a steaming oven door, so that a gap is formed between the steaming oven door and a steaming oven main body, the sealing performance is poor, and air leakage is easy. The transmission mechanism comprises a driving motor, a lock shell, a spring bolt, a cam, a driving axle, an upper connecting rod, a lower connecting rod and a swing rod, the driving motor drives the cam to rotate leftwards anticlockwise through a speed reduction steering device, the whole transmission mechanism is driven to operate, and a flexible and stable force transmission link is formed. And rotation of the cam can be converted into downward and rightward hooking actions of the spring bolt, so that the spring bolt is rightward hooked to press the right side wall of the lock hole. The locking force of the door is effectively enhanced, it is guaranteed that the door is tightly closed all the time in the working process of the steaming oven, and steam leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of integrated cooker steaming oven, especially to a steaming oven door locking device and integrated cooker using the same. BACKGROUND

[0002] In modern kitchen life, integrated cooker is widely welcomed because it integrates multiple functions, saves space and is efficient and convenient. Among them, the sealing and locking performance of the door of the steaming oven, as an important part of the integrated cooker, is crucial.

[0003] The traditional integrated cooker steaming oven locking device usually adopts a straight insertion structure, with the lock tongue straight up and down. There will be a gap between the lock tongue and the lock hole of the steaming oven door. When the steam oven pressure rises, the steam oven door will move outward by the same distance as the gap, causing a gap between the steam oven door and the steam oven main body, poor sealing, and easy gas leakage. SUMMARY

[0004] The technical problem to be solved and the technical task proposed by the utility model are to perfect and improve the existing technical solution, and to provide a steaming oven door locking device and integrated cooker using the same, to realize tight locking of the steaming oven door and avoid steam leakage. For this purpose, the utility model adopts the following technical solution.

[0005] A steaming oven door locking device, comprising a drive motor, a lock shell, a transmission mechanism and a lock tongue, the transmission mechanism is arranged in the lock shell, the left side of the transmission mechanism is connected with the lock tongue, the right side of the transmission mechanism is connected with the drive motor, the drive motor drives the transmission mechanism to rotate, and then drives the lock tongue to insert into the lock hole of the steaming oven door, and then the lock tongue hooks to the right of the lock hole. The drive motor serves as a power source to drive the transmission mechanism to operate, and then precisely controls the insertion and hooking action of the lock tongue. After the lock tongue is inserted into the lock hole, it hooks to the right of the lock hole, effectively enhancing the locking force of the door, ensuring that the door is always tightly closed during the operation of the steaming oven, avoiding steam leakage, maintaining a stable internal cooking environment, and improving the cooking effect.

[0006] As a preferred technical means: the transmission mechanism comprises a cam, a drive bridge, an upper connecting rod, a lower connecting rod and a swing rod, the cam is rotatably connected with the right end of the drive bridge, the left end of the drive bridge is rotatably connected with the lower end of the upper connecting rod and the upper end of the lower connecting rod, the upper end of the upper connecting rod is rotatably connected with the upper end of the lock tongue, the lower end of the lower connecting rod is rotatably connected with the middle part of the swing rod, the left end of the swing rod is rotatably connected with the middle-lower part of the lock tongue, the left middle part of the lock shell is provided with a front-to-back through guide hole, the guide hole is in left-to-right straight line shape, the front and rear ends of the common connecting shaft of the left end of the drive bridge, the lower end of the upper connecting rod and the upper end of the lower connecting rod are respectively inserted into the guide holes on the left and right sides of the lock shell and can slide left-to-right in the guide holes. The rotatable connection of the cam and the drive bridge, combined with the coaxial rotation of the drive bridge, the upper connecting rod and the lower connecting rod, and the multiple rotation connections with the lock tongue and the swing rod, form a flexible and stable force transmission link, effectively realizing the transmission mechanism structure, which can convert the rotation of the cam into the downward and rightward hooking action of the lock tongue.

[0007] As a preferred technical means: the drive motor is arranged on the front side of the lock shell, the drive motor is provided with a speed reduction steering device, and the output shaft of the speed reduction steering device extends rearward into the lock shell and is fixedly connected with the cam. Effectively realize the transmission steering, and transmit the force to the drive bridge through the cam.

[0008] As a preferred technical means: the drive bridge, the upper connecting rod and the swing rod all adopt a front-to-back double-clip structure, and the double-clip structure is an integrated structure connected by a bridge, the lower end of the upper connecting rod is arranged on the inner side of the left end of the drive bridge, the upper end of the lock tongue is arranged on the inner side of the upper end of the upper connecting rod, the middle-lower part of the lock tongue is arranged on the inner side of the left end of the swing rod, the upper end of the lower connecting rod is arranged on the inner side of the lower end of the upper connecting rod, the lower end of the lower connecting rod is arranged on the inner side of the middle part of the swing rod, and the connecting end of the cam is located on the inner side of the right end of the drive bridge. The front-to-back double-clip structure and the middle bridge connection can effectively increase the structural strength of the parts, and through the reasonable arrangement of the positions, the front-to-back symmetrical structure is realized, so that the transmission of the force is more stable and reliable.

[0009] As a preferred technical means: the left side of the lower end of the lock shell is provided with two front-to-back symmetrical fixed seat pieces integrated with the lock shell, and a plurality of fixed holes are arranged on each fixed seat piece. Through the fixed seat pieces, the lock device can be firmly connected and fixed in the integrated cooker by bolts.

[0010] As a preferred technical means: the right part of the lock shell is provided with four arrayed bolt holes, and the drive motor is connected and fixed with the lock shell by four bolts from back to front through the bolt holes. The firmness and stability of the connection between the drive motor and the lock shell are ensured.

[0011] As a preferred technical means: the lock shell is formed by bending sheet metal. The bending process of sheet metal is mature, and can be used for batch production by using standardized molds, so that the production efficiency is high, and the manufacturing cost of the lock shell is reduced.

[0012] The utility model discloses a integrated stove, including fuselage and aircraft nose, the fuselage include cabinet, be located on the stove of cabinet and be located in the cabinet of steaming oven, its characterized in that: the steaming oven is equipped with preceding and one kind of steaming oven door locking device.

[0013] Beneficial effect: through the drive motor accurate control lock tongue inserts the lock hole right hook press after, the right side wall of lock hole is effectively enhanced the locking force of door, guarantee in the steaming oven working process, the door is always tightly closed, avoid steam leakage, maintain the inside stable cooking environment, promote the cooking effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the main view structural schematic drawing of the utility model.

[0015] Figure 2 It is the plan view structural schematic drawing of the utility model.

[0016] Figure 3 It is the utility model Figure 2 A-A section schematic drawing.

[0017] Figure 4 It is the 3D schematic drawing of the utility model.

[0018] Figure 5 It is the 3D schematic drawing of the lock shell after cutting of the utility model.

[0019] Figure 6 It is the locking device use schematic drawing of the utility model.

[0020] In the drawing: 1, drive motor, 2, lock shell, 3, lock tongue, 4, drive bridge, 5, cam, 6, upper connecting rod, 7, lower connecting rod, 8, swing bar, 9, steaming oven door, 101, speed reducer steering device, 201, guide hole, 202, fixed seat piece, 203, bolt hole, 901, lock hole. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model is further explained in detail in combination with the drawings of the specification.

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms such as 'center', 'longitudinal', 'transverse', 'length', 'width', 'thickness', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer', 'clockwise', 'counterclockwise', 'axial', 'radial', 'circumferential' in the utility model are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, since the embodiments disclosed in the utility model can be arranged in different directions, so these orientation indicating terms are only as an illustration and should not be regarded as a limitation, for example, 'upper' and 'lower' are not necessarily limited to the direction opposite or consistent with the direction of gravity.

[0023] Example one

[0024] As Figures 1-6 shown, a steam oven door locking device, including drive motor 1, lock shell 2, transmission mechanism and lock tongue 3, transmission mechanism is located in lock shell 2, transmission mechanism includes cam 5, drive bridge 4, upper connecting rod 6, lower connecting rod 7 and swing bar 8, drive motor 1 is located at the front side of lock shell 2, drive motor 1 is provided with speed reducer steering device 101, the output shaft of speed reducer steering device 101 extends into lock shell 2 rearward and is connected and fixed with cam 5. Cam 5 is rotatably connected with the right end of drive bridge 4, the left end of drive bridge 4 is rotatably connected with the lower end of upper connecting rod 6 and the upper end of lower connecting rod 7, the upper end of upper connecting rod 6 is rotatably connected with the upper end of lock tongue 3, the lower end of lower connecting rod 7 is rotatably connected with the middle part of swing bar 8, the left end of swing bar 8 is rotatably connected with the middle-lower part of lock tongue 3, the left-middle part of lock shell 2 is provided with front-to-back through guide hole 201, guide hole 201 is left-right one-shaped, the front and rear ends of the common connecting shaft of the left end of drive bridge 4, the lower end of upper connecting rod 6 and the upper end of lower connecting rod 7 are respectively inserted into the guide hole 201 in the front and rear sides of lock shell 2 and can slide left-right in guide hole 201, guide hole 201 provides a stable sliding track for the connecting shaft of the left end of drive bridge 4, ensuring that the whole transmission process is stable and deviation-free.

[0025] In order to realize the fixation of the locking device, the lower left side of the lock shell 2 is provided with two front-to-back symmetrical fixing seat pieces 202 integrated with the lock shell 2, and two fixing holes are arranged on each fixing seat piece 202. Through the fixing seat piece 202, the locking device can be fixedly connected and fixed in the integrated cooker by bolts.

[0026] In order to ensure the firmness of the connection between the driving motor 1 and the lock shell 2, the right part of the lock shell 2 is provided with four array bolt holes 203, and the driving motor 1 is connected and fixed with the lock shell 2 through four bolts from back to front through the bolt holes 203, which ensures the firmness and stability of the connection between the driving motor 1 and the lock shell 2.

[0027] In order to achieve better cost performance, the lock shell 2 is formed by bending sheet metal. The sheet metal bending process is mature, and can be mass-produced by using standardized molds. The cost of sheet metal mold is relatively low, and the production efficiency is high, which helps to reduce the manufacturing cost of the lock shell 2 and achieve better cost performance.

[0028] When working, the driving motor 1 drives the cam 5 to rotate counterclockwise to the left through the speed reduction steering device 101. The cam 5 is rotatably connected with the driving bridge 4, and the driving bridge 4, the upper connecting rod 6 and the lower connecting rod 7 are coaxially rotatable and slide left and right in the guide hole 201. In combination with the multiple rotational connections with the locking tongue 3 and the swing rod 8, a flexible and stable force transmission link is formed, which effectively realizes the transmission mechanism structure. The rotation of the cam 5 can be converted into the downward and rightward hooking action of the locking tongue 3. After the lower end of the locking tongue 3 is inserted into the lock hole 901 of the steam oven door 9, the locking tongue 3 hooks to the right to press against the right side wall of the lock hole 901. The locking force of the door is effectively enhanced, which ensures that the door is always tightly closed during the working process of the steam oven, avoids steam leakage, maintains a stable cooking environment inside, and improves the cooking effect.

[0029] Example two

[0030] Different from the above examples, in order to enhance the connection strength between the parts of the transmission mechanism, the driving bridge 4, the upper connecting rod 6 and the swing rod 8 are all provided with front and rear double clamping structures, and the double clamping structures are integrally connected through a bridge type connection. The lower end of the upper connecting rod is arranged on the inner side of the left end of the driving bridge 4, the upper end of the locking tongue 3 is arranged on the inner side of the upper end of the upper connecting rod 6, the middle and lower part of the locking tongue 3 is arranged on the inner side of the left end of the swing rod 8, the upper end of the lower connecting rod 7 is arranged on the inner side of the lower end of the upper connecting rod 6, the lower end of the lower connecting rod 7 is arranged on the inner side of the middle part of the swing rod 8, and the connecting end of the cam 5 is located on the inner side of the right end of the driving bridge 4. Compared with the single piece structure, the front and rear double clamping structures are connected through a bridge type connection, which can effectively increase the structural strength of the parts and enhance the connection strength between the parts of the transmission mechanism. Through reasonable arrangement of positions, a front and rear symmetrical structure is realized, which ensures that the force transmission is more stable and reliable.

[0031] Example three

[0032] An integrated kitchen includes a body and a head, the body includes a cabinet, a stove arranged on the cabinet, and a steam oven arranged in the cabinet; the steam oven is provided with the steam oven door locking device. The steam oven door locking device is arranged to realize the tight locking of the steam oven door, avoid steam leakage, improve the safety, cooking efficiency and energy saving effect of the equipment, and optimize the user experience.

[0033] The steam oven door locking device and the integrated cooker using the same shown above are specific embodiments of the present application, which have embodied the substantial features and progress of the present application. According to the actual use needs, equivalent modifications can be made to the shape, structure, etc. of the present application under the inspiration of the present application, which are all within the protection scope of the present application.

Claims

1. A door locking device for a steam oven, characterized by: It comprises a driving motor, a lock case, a transmission mechanism and a lock tongue, the transmission mechanism is arranged in the lock case, the left side of the transmission mechanism is connected with the lock tongue, the right side of the transmission mechanism is connected with the driving motor, the driving motor drives the transmission mechanism to rotate, and then the lower end of the lock tongue is inserted into the lock hole of the door of the steaming and baking oven, and then the lock tongue is hooked to the right side wall of the lock hole.

2. The locking device of claim 1, wherein: The transmission mechanism comprises a cam, a driving bridge, an upper connecting rod, a lower connecting rod and a swing rod, the cam is rotatably connected with the right end of the driving bridge, the left end of the driving bridge is rotatably connected with the lower end of the upper connecting rod and the upper end of the lower connecting rod, the upper end of the upper connecting rod is rotatably connected with the upper end of the lock tongue, the lower end of the lower connecting rod is rotatably connected with the middle part of the swing rod, the left end of the swing rod is rotatably connected with the middle and lower part of the lock tongue, the left middle part of the lock case is provided with a guide hole penetrating front and back, the guide hole is in the shape of a left-right straight line, the front and back ends of the common connecting shaft of the left end of the driving bridge, the lower end of the upper connecting rod and the upper end of the lower connecting rod are respectively inserted into the guide holes on the left and right sides of the lock case and can slide left and right in the guide holes.

3. The locking device of claim 2, wherein: The driving motor is arranged on the front side of the lock case, the driving motor is provided with a speed reduction steering device, the output shaft of the speed reduction steering device extends into the lock case and is connected and fixed with the cam.

4. The locking device of claim 3, wherein: The driving bridge, the upper connecting rod and the swing rod all adopt a front and back double piece clamping structure, the double piece clamps are in a bridge type connected integrated structure, the lower end of the upper connecting rod is arranged on the inner side of the left end of the driving bridge, the upper end of the lock tongue is arranged on the inner side of the upper end of the upper connecting rod, the middle and lower part of the lock tongue is arranged on the inner side of the left end of the swing rod, the upper end of the lower connecting rod is arranged on the inner side of the lower end of the upper connecting rod, the lower end of the lower connecting rod is arranged on the inner side of the middle part of the swing rod, and the connecting end of the cam is located on the inner side of the right end of the driving bridge.

5. The locking device of claim 1, wherein: The left side of the lower end of the lock case is provided with two front and back symmetrical fixed seat pieces which are integrated with the lock case, and a plurality of fixed holes are arranged on each fixed seat piece.

6. The locking device of claim 1, wherein: The right part of the lock case is provided with four array type bolt holes, the driving motor is connected and fixed with the lock case through four bolts from back to front through the bolt holes.

7. The locking device of claim 1, wherein: The lock case adopts a sheet metal bending forming.

8. An integrated cooker comprising a machine body and a machine head, the machine body comprising a cabinet, a stove provided on the cabinet, and a steaming oven provided in the cabinet; characterized in that: The steaming and baking oven is provided with the steaming and baking oven door locking device of any one of claims 1-7. The steaming and baking oven is provided with the steaming and baking oven door locking device of any one of claims 1-7.

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