Auxiliary locking device capable of automatically opening and closing door and steam oven

Abstract

The utility model provides an auxiliary locking device capable of automatically opening and closing a door and a steam oven. The auxiliary locking device capable of automatically opening and closing the door comprises a clamping groove, a first driving device and a door lock assembly, wherein the clamping groove is formed in a door body, and the first driving device and the door lock assembly are arranged on an oven body. The first driving device is connected with the door body and the box body and used for driving the door body to get close to or away from the box body; the door lock assembly comprises a lock hook and a second driving device, the lock hook is movably arranged on the box body, the second driving device drives the lock hook to rotate relative to the clamping groove, and the second driving device is used for providing acting force for the door body to get close to the box body and providing acting force for the door body to get close to the box body when the lock hook extends into the clamping groove, so that the door body is tightly attached to the box body; the sealing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steam oven technical field, concretely relates to an auxiliary locking device and steam oven of automatic door opening and closing. BACKGROUND

[0002] The steam oven has certain requirements on the pressure and sealing effect of the cavity, the door of the steam oven cannot be locked at present, leading to steam leakage, and the pressure is difficult to meet the requirements, the prior art adopts double door locks, which not only have complex structure and high cost, but also have high assembly difficulty and are inconvenient to operate.

[0003] The patent document with Chinese application number 202311677297.0 and publication date of March 8, 2024 discloses an automatic door lock device and a pressure steam oven, the automatic door lock device includes a lock hook arranged on the inner side of the door body, a locking component, an elastic component and a locking device arranged on the box body; the elastic component is used to apply a force to the locking component in the first direction to rotate and tighten the lock hook when the door body is closed, so that the locking component is buckled into the lock hook, and the elastic component applies a force to the locking component in the second direction when the door body is closed, so that the locking component is pulled out of the lock hook; the locking component is used to stop the locking component, so that the lock head applies a locking force to the lock hook towards the inside of the box body.

[0004] The automatic door lock device uses the locking component and the lock hook to limit the separation of the door body and the box body when locking the door for the first time, there is no mutual approaching force between the door body and the box body, and the sealing effect between the door body and the box body is poor; at the same time, when locking the door for the second time, the locking component is stopped by the locking department to limit the rotation of the locking component, which cannot provide a mutual approaching force between the door body and the box body, and the sealing effect between the door body and the box body is poor. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide an auxiliary locking device and a steam oven for automatic door opening and closing, which provides a force for the door body to approach the box body, so that the door body and the box body are tightly attached and the sealing effect is improved.

[0006] In order to solve the above technical problems, the utility model uses the following technical scheme:

[0007] The auxiliary locking device for automatic door opening and closing comprises a clamping groove arranged on the door body, a first driving device and a door lock assembly arranged on the box body; the first driving device connects the door body and the box body and is used to drive the door body to approach or move away from the box body; the door lock assembly comprises a lock hook and a second driving device, the lock hook is movably arranged on the box body, and the second driving device drives the lock hook to rotate relative to the clamping groove; the second driving device is used to provide a force for the door body to approach the box body when the lock hook extends into the clamping groove.

[0008] Preferably, the door lock assembly further comprises a base and a reset torsion spring, the base is arranged on the cabinet, the fixed end of the second driving device is arranged on the base, the output end of the second driving device abuts against the hook, and the reset torsion spring is connected between the hook and the base.

[0009] Preferably, the hook is provided with a power arm and a resistance arm, and the projection length of the power arm in the horizontal direction is greater than the projection length of the resistance arm in the horizontal direction.

[0010] Preferably, the second driving device is an electromagnetic telescopic rod.

[0011] Preferably, the first driving device is an automatic hinge.

[0012] Another object of the utility model is to provide a steam oven, which comprises a cabinet, a door body and an auxiliary locking device for automatically opening and closing the door body.

[0013] Preferably, the bottom of the door body is hinged to the bottom of the cabinet, the first driving device is arranged on the bottom of the cabinet, the door lock assembly is arranged on the top of the cabinet, and the clamping groove is arranged on the top of the door body.

[0014] Preferably, the clamping groove is arranged to be inclined downward along the direction close to the hook.

[0015] The auxiliary locking device for automatically opening and closing the door body has the following beneficial effects: when the door body is closed, the first driving device provides a force for the door body to move close to the cabinet, and the first driving device presses the door body against the cabinet; the door lock assembly is arranged to provide a secondary force for the door body, the second driving device drives the hook to extend into the clamping groove, the second driving device also provides a force for the door body to move close to the cabinet, and the door body is further pressed against the cabinet, so that the first driving device and the door lock assembly cooperate to realize the closure and sealing between the door body and the cabinet. Meanwhile, the first driving device is arranged to drive the door body to move, so that the door body can be automatically closed and opened, and the use is convenient.

[0016] The second driving device cooperates with the reset spring to realize the rotation of the hook; when the output end of the second driving device extends to abut against the hook, the hook is driven to extend into the clamping groove; after the output end of the second driving device is separated from the hook, the hook is separated from the clamping groove under the action of the reset spring, and the door body is unlocked. Meanwhile, the second driving device is an electromagnetic telescopic rod, so that the force of the second driving device acting on the door body can be changed by adjusting the magnetic force; and the pressure of the door body pressed against the cabinet can be adjusted, so that the application range is wide.

[0017] In the hook, the power arm with a longer length is arranged to increase the force of the door body moving close to the cabinet, and further improve the sealing effect between the door body and the cabinet.

[0018] The beneficial effects of the steam oven are mainly reflected in that the door lock assembly and the first driving device apply a force to the door body to make the door body close to the box body, thereby improving the sealing effect of the steam oven.

[0019] The first driving device and the door lock assembly are matched to realize the closed sealing between the door body and the box body, thereby improving the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and other objects, features and advantages of the present application will become more clearly understood from the following more particular description, accordingly, the present application will be described with reference to the following preferred embodiments. The same reference numbers in different drawings denote the same or similar elements. The drawings are not necessarily drawn to scale, and emphasis is instead placed on illustrating the principles of the present application.

[0021] Figure 1 It is a schematic view of the steam oven being opened in the present application.

[0022] Figure 2 It is a schematic view of the door lock assembly locking the door body in the present application.

[0023] Figure 3 It is Figure 2 It is an enlarged view of A in the present application.

[0024] Figure 4 It is a schematic view of the lock hook and the clamping groove being separated in the present application.

[0025] Figure 5 It is a schematic view of the door lock assembly in the present application.

[0026] Figure 6 It is a top view of the door lock assembly in the present application.

[0027] Figure 7 It is a schematic view of the lock hook in the present application. BRIEF DESCRIPTION OF DRAWINGS

[0029] The door body 1, the clamping groove 11.

[0030] The box body 2.

[0031] The first driving device 3.

[0032] The door lock assembly 4, the base 41, the pin shaft 411; the lock hook 42, the power arm 421, the resistance arm 422; the reset spring 43, the second driving device 44. DETAILED DESCRIPTION

[0033] The technical solutions of the utility model will be described in further detail below in combination with the drawings and specific embodiments, so that the skilled in the art can better understand the utility model and implement it, but the embodiments are not used as the limitation of the utility model, and in the embodiments, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only used for the convenience of describing the utility model, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as the limitation of the utility model.

[0034] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element and integrated as a whole, or a middle element can exist at the same time. The terms "mounting", "one end", "the other end" and similar expressions used in the utility model are only for the purpose of description.

[0035] Embodiment one.

[0036] The embodiment provides an auxiliary locking device for automatically opening and closing a door, as shown in the drawings, comprising a clamping groove 11 arranged on a door body 1, a first driving device 3 and a door lock assembly 4 arranged on a box body 2; the first driving device 3 is connected between the door body 1 and the box body 2 and is used for driving the door body 1 to be close to or away from the box body 2. Figures 1-7

[0037] The door lock assembly 4 comprises a base 41, a locking hook 42, a reset spring 43 and a second driving device 44, the base 41 is arranged on the box body 2, a pin shaft 411 is arranged on the base 41, the locking hook 42 and the reset spring 43 are arranged in the pin shaft 411, the locking hook 42 is movably arranged on the pin shaft 411, a fixed end of the second driving device 44 is arranged on the box body 2, an output end of the second driving device 44 is in abutment with the locking hook 42, and the reset torsion spring connects the locking hook 42 and the box body 2. The second driving device 44 drives the locking hook 42 to rotate relative to the clamping groove 11, and the second driving device 44 is used for providing an action force for the door body 1 to be close to the box body 2 when the locking hook 42 extends into the clamping groove 11. The reset spring 43 is arranged on the base 41 and connected with the locking hook 42, and the reset spring 43 is used for driving the locking hook 42 to be away from the clamping groove 11 after the output end of the second driving device 44 is separated from the locking hook 42.

[0038] ​When the door body 1 is closed, the first driving device 3 provides the door body 1 with an approaching force to the box body 2, and the first driving device 3 presses the door body 1 on the box body 2; the door lock assembly 4 is arranged to provide the door body 1 with a secondary force, and the second driving device 44 drives the locking hook 42 to extend into the clamping groove 11, and the second driving device 44 also provides the door body 1 with an approaching force to the box body 2, and further presses the door body 1 on the box body 2, so that the closing and sealing between the door body 1 and the box body 2 are realized through cooperation of the first driving device 3 and the door lock assembly 4; meanwhile, the first driving device 3 is arranged to drive the door body 1 to move, so that the automatic closing and opening of the door body 1 are realized, and use is facilitated.

[0039] The second driving device 44 cooperates with the reset spring 43 to realize rotation of the locking hook 42; when the output end of the second driving device 44 extends and abuts against the locking hook 42, the locking hook 42 is driven to extend into the clamping groove 11; when the output end of the second driving device 44 is separated from the locking hook 42, the locking hook 42 is separated from the clamping groove 11 under the action of the reset spring 43, and then the door body 1 is unlocked; meanwhile, the second driving device 44 is an electromagnetic telescopic rod, so that the magnetic force can be adjusted to change the force of the second driving device 44 acting on the door body 1; and then the pressure of the door body 1 pressed on the box body 2 can be adjusted, and the application range is wide.

[0040] The locking hook 42 is provided with a power arm 421 and a resistance arm 422, as shown in Figure 7 In a preferred embodiment, the projection length L1 of the power arm 421 in the horizontal direction is greater than the projection length L2 of the resistance arm 422 in the horizontal direction. The power arm 421 with a longer length is arranged to increase the approaching force of the door body 1 to the box body 2, and further improve the sealing effect between the door body 1 and the box body 2.

[0041] In a preferred embodiment, the second driving device 44 is an electromagnetic telescopic rod. In this way, the magnetic force can be adjusted to change the force of the second driving device 44 acting on the door body 1; and then the pressure of the door body 1 pressed on the box body 2 can be adjusted, and the application range is wide. The adjustment of the magnetic force is a prior art, which can be realized by selecting electromagnetic rods of different models or by adjusting the output current of the power supply connected to the electromagnetic rod, and here no more details are given.

[0042] In a preferred embodiment, the first driving device 3 is an automatic hinge.

[0043] The working principle of the utility model is as follows: when the door body 1 is closed, the first driving device 3 drives the door body 1 to swing clockwise, the door body 1 approaches the box body 2, after the door body 1 abuts against the box body 2, the first driving device 3 still provides the door body 1 with an approaching force to the box body 2, and the door body 1 is pressed on the box body 2; when the door body 1 is opened, the first driving device 3 drives the door body 1 to swing counterclockwise, the door body 1 is away from the box body 2, and then the door body 1 is separated from the box body 2.

[0044] When the secondary locking of the door body 1 is needed, the door body 1 is first driven to abut against the box body 2 by the first driving device 3, then the second driving device 44 drives the locking hook 42 to rotate to the direction of approaching the clamping groove 11 against the elastic force of the reset torsional spring, the locking hook 42 extends into the clamping groove 11, the locking hook 42 abuts against the inner wall of the clamping groove 11 to provide the approaching force of the door body 1 to the box body 2, and the door body 1 is further pressed on the box body 2; when the door body 1 is locked by the contact locking hook 42, the output end of the second driving device 44 is separated from the locking hook 42, and the locking hook 42 is reset under the elastic force of the reset spring 43 and is separated from the clamping groove 11.

[0045] Embodiment two

[0046] The utility model provides a kind of steam oven, including box body 2, door body 1 and the auxiliary locking device of automatic door opening and closing, and door body 1 is hinged on box body 2;The auxiliary locking device of automatic door opening and closing is same with the structure of embodiment one. Door lock assembly 4 and first driving device 3 are set to the approaching force of door body 1 to box body 2, improve the sealing effect of steam oven. Specifically, the bottom of the door body 1 is hinged with the bottom of the box body 2, the first driving device 3 is arranged at the bottom of the box body 2, the door lock assembly 4 is arranged at the top of the box body 2, and the clamping groove 11 is arranged at the top of the door body 1.

[0047] In a preferred embodiment, the clamping groove 11 is inclined downward along the direction of approaching the locking hook 42, and the horizontal height of the end of the clamping groove 11 close to the locking hook 42 is lower than that of the other end; in this way, the locking hook 42 is conveniently matched with the clamping groove.

[0048] In this specification, unless explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0049] In the description of the specification, the description using the terms "preferred embodiment", "still another embodiment", "other embodiments", "specific example" or the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative expressions of the above terms are not necessarily directed to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in an appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples, without contradiction.

[0050] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. An auxiliary door locking device for automatically opening and closing a door, characterized by: The door lock assembly comprises a lock hook and a second driving device, the lock hook is movably arranged on the box body, the second driving device drives the lock hook to rotate relative to the clamping groove, and the second driving device is used for providing an approaching force for the door body to the box body when the lock hook extends into the clamping groove.

2. The self-latching door assist assembly of claim 1, wherein: The door lock assembly further comprises a base and a reset torsion spring, the base is arranged on the box body, a fixed end of the second driving device is arranged on the base, an output end of the second driving device abuts against the lock hook, and the reset torsion spring connects the lock hook and the base.

3. The self-latching door assist assembly of claim 1, wherein: The lock hook is provided with a power arm and a resistance arm, and a projection length of the power arm in a horizontal direction is greater than that of the resistance arm in the horizontal direction.

4. The self-latching door assist assembly of claim 3, wherein: The second driving device is an electromagnetic telescopic rod.

5. The self-latching door assist assembly of claim 1, wherein: The first driving device is an automatic hinge.

6. A steam oven having the auxiliary locking device with the automatic door opening and closing according to any one of the preceding claims 1 to 5, characterized in that: The door body is hinged to the box body.

7. The steam oven according to claim 6, characterized in that: The bottom of the door body is hinged to the bottom of the box body, the first driving device is arranged on the bottom of the box body, the door lock assembly is arranged on the top of the box body, and the clamping groove is arranged on the top of the door body.

8. The steam oven according to claim 6, characterized in that: The clamping groove is arranged to be inclined downward along the direction of approaching the lock hook.

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