CN212002699U - Door interlock and evaporate oven a little - Google Patents

Abstract

The utility model provides a door interlocking device, which comprises a fixed bracket, an interlocking seat, a latch hook, a door hook, an interlock, a switch monitoring switch and an elastic reset piece; the side wall of the interlocking seat is respectively provided with a first protruding contact and a second protruding contact, the door hook acts on the locking hook through external force, the locking hook rotates relative to the fixed support, the elastic reset piece is elongated along the movement direction of the locking hook, the first protruding contact is enabled to contact the monitoring switch, and meanwhile, the second protruding contact is enabled to contact the interlocking switch; the door interlocking device has an automatic resetting function, and avoids the phenomenon that the locking hook is automatically locked and does not reset due to misoperation or misoperation. Still provide the little steam oven that adopts this door interlock, realize normally opening with this door interlock cooperation when the door body switch and open and stop, still play even if improper operation or malfunction do not arouse the emergence of latch hook locking electrical apparatus start-up phenomenon when opening the door, but latch hook meeting automatic re-setting does not arouse the electrical apparatus to start, satisfies the demand of security performance.

Description

Door interlock and evaporate oven a little

Technical Field

The utility model relates to a evaporate the technical field of oven a little, especially relate to a door interlock and adopt this door interlock evaporate oven a little.

Background

Along with the continuous improvement of the living standard of people, the pursuit of people to the living quality is more and more strict, the moisture and the nutrition of things made by the microwave oven are lost in a large quantity, the taste is very poor when people eat the food, and the requirements of people can not be met, so more and more people begin to eliminate the microwave oven, the microwave is used as an auxiliary function, and therefore, the micro-steaming and baking integrated machine is appeared, so that the time can be saved when people steam or bake, and the selection of cooking modes and tastes can be increased. The micro-steaming and baking integrated machine is the combination of micro-steaming and micro-baking, and is also the utilization of a deeper microwave function, namely the micro-steaming and baking integrated machine can accelerate the steaming and baking speed by the aid of microwaves during steaming and baking.

The door body interlocking structure of products such as the existing micro-steaming oven, steam oven and microwave oven realizes the purpose that the latch hook can hook the door hook to pull the whole door body inwards when the door is closed to a certain angle, and the latch hook can pull the latch hook outwards when the door is opened to a certain angle. However, if a malfunction occurs when the door is opened, an object such as a stick may accidentally push the latch hook into the door to lock the latch hook and prevent the latch hook from being reset, which may cause the electric appliance to be in a working state and cause microwave leakage, resulting in a certain potential safety hazard. In addition, the lock hook needs to be hooked out to reset when the abnormity occurs, so that the normal use can be realized, and certain safety risk is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a door interlocking device, which has an automatic resetting function and avoids the phenomenon that the locking hook is automatically locked and does not reset due to misoperation or misoperation; and the micro-steaming oven adopting the door interlocking device is provided, when the door body is opened and closed, the micro-steaming oven is matched with the door interlocking device in the process, on the basis of normal opening and closing of the micro-steaming oven, even if the door is opened, misoperation or misoperation does not cause the occurrence of the starting phenomenon of the locking hook locking electric appliance, but the locking hook can automatically reset and does not cause the electric appliance to start, so that the normal work of the microwave oven under the opening state of the door body is ensured, and the requirement of safety performance is met.

The utility model provides a following technical scheme, a door interlock, include the fixed bolster, locate interlocking seat on this fixed bolster, rotate and locate latch hook on this interlocking seat, with the door hook that this latch hook contactable or break away from with encircle the interlock switch and the monitor switch that the latch hook set up, monitor switch reaches interlock switch along latch hook during operation rotation direction sets gradually.

Preferably, the door interlock further comprises an elastic reset member, one end of which is arranged on the latch hook and the other end of which is connected to the fixed bracket through a fixed buckle; the side wall of the lock hook is respectively provided with a first protruding contact and a second protruding contact, the door hook acts on the lock hook through external force, the lock hook rotates relative to the fixed support, the elastic reset piece is elongated along the movement direction of the lock hook, the first protruding contact is made to contact the monitoring switch, and meanwhile, the second protruding contact is made to contact the interlocking switch. The lock hook has an automatic reset function without external force, and the phenomenon that the existing door interlocking device structure automatically locks and does not reset due to misoperation or misoperation is avoided.

Preferably, a slow hook column is arranged on a side wall of the lock hook far away from the first protruding contact and the second protruding contact, and a hook shape of the slow hook column extends along a rotation direction of the lock hook during operation. The structural design plays a role in buffering the contact process of the lock hook, the interlocking switch and the monitoring switch.

Preferably, the door hook is provided with a strip-shaped hole matched with the slow hook post. The structural design has the effect of stabilizing the interlocking seat, the interlocking switch and the monitoring switch in the contact process.

Preferably, a limiting column is arranged on the side wall of the lock hook between the slow hook column and the first protruding contact. This structural design serves to ensure that the shackle rotates within a safe range.

Preferably, the interlock switch is a normally open switch, and the monitoring switch is a normally closed switch.

Preferably, the elastic reset piece is a tension spring.

Preferably, the interlock switch and the monitor switch are both detachably mounted on the interlock seat through a positioning column and a hook. This structural design has improved the convenience of dismouting.

The utility model also provides a micro-steaming oven, which comprises an oven main body, a front plate arranged at the opening end of the oven main body and a door body pivoted on the oven main body; preferably, the oven further comprises the door interlocking device, the bottom of the fixing support is fixedly connected to the heat insulation plate of the oven main body, and the top of the fixing support is fixedly connected to the front plate; the door hook is arranged on the inner side surface of the door body, and the front plate is provided with a through insertion hole which is convenient for the door hook to be inserted. This structural design because the latch hook is in under the pulling force of extension spring, even when the door body is opened the malfunction occasionally or when using the latch hook also can not automatic locking, effectively improves this micro-steaming oven's security performance.

The beneficial effects of the utility model are that, the product such as current little steam oven, steam oven and microwave oven that has now has following advantage:

1. adopt the one end that the elasticity resets is located on the latch hook, its other end through a fixed knot connect in on the fixed bolster, just be equipped with first protruding contact and second protruding contact on the lateral wall of interlock seat respectively. Specifically, the door hook acts on the lock hook through an external force, the lock hook rotates relative to the fixed support, the elastic reset piece stretches along the movement direction of the lock hook, the first protruding contact is made to contact the monitoring switch, and meanwhile, the second protruding contact is made to contact the interlock switch, so that normal starting of the machine is achieved. In addition, because the latch hook is in under the pulling force of extension spring, make it have the automatic re-setting function under the no external force effect, and even when the door body is opened malfunction sometimes or when using improper the latch hook also can not automatic locking, effectively improves this little steaming oven's security performance, reduces potential safety hazard in the use.

2. A slow hook column is arranged on the side wall of the interlocking seat far away from the first raised contact and the second raised contact, and a strip-shaped hole matched with the slow hook column is formed in the door hook; wherein, the hook type of slow position hook post forms along the direction of rotation extension when interlock seat during operation. The structure design plays a role in buffering the interlocking seat, the interlocking switch and the monitoring switch in the contact process, achieves the effect of stabilizing the interlocking seat, the interlocking switch and the monitoring switch in the contact process while protecting components, and ensures the use safety of products such as a micro-steaming oven, a steam oven and a microwave oven.

Drawings

FIG. 1 is a schematic perspective view of the door interlock of the present invention;

fig. 2 is an exploded view of the door interlock device of the present invention;

fig. 3 is a schematic view of the position of the door interlock device installed in the micro-steaming oven according to the present invention;

FIG. 4 is a state diagram of the door interlock device when the micro-steaming oven of the present invention is closed;

FIG. 5 is an enlarged view of a portion of FIG. 4 labeled A;

FIG. 6 is a state diagram of the door interlock device when the micro-steaming oven of the present invention is opened;

description of reference numerals: 10-door interlocking device, 11-fixed support, 12-interlocking seat, 121-positioning column, 122-trip, 13-latch hook, 131-first raised contact, 132-second raised contact, 133-slow position hook column, 134-spacing column, 14-door hook, 141-strip-shaped hole, 15-interlocking switch, 16-monitoring switch, 17-elastic reset piece, 20-oven main body, 21-front plate, 211-through hole and 30-door body.

Detailed Description

In order to make the object, technical solution and technical effect of the present invention more clearly understood, the present invention will be further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, a door interlock device 10 includes a fixing bracket 11, an interlock seat 12 provided on the fixing bracket, a latch hook 13 rotatably provided on the interlock seat, a door hook 14 contactable with or disengageable from the latch hook, and an interlock switch 15 and a monitor switch 16 provided around the latch hook 13. Specifically, in order to realize the safety protection mechanism of the double switches of this door interlock 10, monitor switch 16 reaches interlock switch 15 along latch hook 13 during operation rotation direction sets gradually, just interlock switch 15 is normally open switch, monitor switch 16 is normally closed switch. In this embodiment, the interlock seat 12 is fixedly installed on one side of the fixing bracket 11, the locking hook 13 is rotatably installed at the middle position of the interlock seat 12 through a bearing, and the interlock switch 15 and the monitoring switch 16 are both assembled and disassembled on the interlock seat 12 through a positioning column 121 and a clamping hook 122, so that the door interlock device 10 is convenient for quick disassembly and assembly, and the interlock switch 15 and the monitoring switch 16 are stably connected with the interlock seat 12, thereby ensuring the reliability in the using process.

Further, the door interlock 10 further includes an elastic return member 17 having one end disposed on the latch hook 13 and the other end connected to the fixing bracket 11 through a fixing buckle; preferably, the elastic restoring member 17 is a tension spring.

Referring to fig. 1, 3 and 4, the present invention further provides a micro-steaming oven, which comprises an oven body 20, a front plate 21 disposed at an open end of the oven body, a door body 30 pivotally connected to the oven body 20, and a door interlock device 10. Specifically, the bottom of the fixing bracket 11 is fixedly connected to the heat insulation board of the oven main body 20, the top of the fixing bracket is fixedly connected to the front plate 21, the door hook 14 is of an L-shaped structure and is installed on the inner side surface of the door body 30, and the front plate 21 is provided with a through hole 211 which is convenient for the door hook 14 to penetrate.

Referring to fig. 4, 5 and 6, a first protruding contact 131 and a second protruding contact 132 are respectively disposed on a side wall of the locking hook 13, the door hook 14 is acted on the locking hook 13 by an external force, the locking hook 13 rotates relative to the fixing bracket 11, the elastic reset element 17 is in an elongated state along with the moving direction of the locking hook 13, and the first protruding contact 131 contacts the monitor switch 16, and at the same time, the second protruding contact 132 contacts the interlock switch 15, so as to achieve a function of starting control. In addition, because the latch hook 13 is under the pulling force of the elastic reset piece 17, the latch hook has an automatic reset function under the action of no external force, and the latch hook cannot be automatically locked even if the door body is opened by misoperation or improper use.

Further, a slow hook post 133 is disposed on a side wall of the latch hook 13 away from the first protruding contact 131 and the second protruding contact 132, and a strip-shaped hole 141 matched with the slow hook post 133 is disposed on the door hook 14. Preferably, the hook shape of the slow hook post 133 extends along the rotation direction of the locking hook 13 during operation. The structural design has the buffer effect of the latch hook 13, the interlocking switch 15 and the monitoring switch 16 in the contact process, achieves the effect of stabilizing the interlocking seat 12, the interlocking switch 15 and the monitoring switch 16 in the contact process while protecting components, and ensures the use safety of products such as a micro-steaming oven, a steam oven and a microwave oven.

Further, in order to prevent the latch hook 13 from exceeding the normal operation range and ensure that the latch hook 13 can respectively contact the interlock switch 15 and the monitor switch 16 within the safety range, the latch hook 13 is provided with a position-limiting post 134 on the side wall of the latch hook 13 between the slow hook post 133 and the first protruding contact 131.

The utility model discloses a theory of operation is: the door interlock device 10 is matched with the door 30 in a switching process, when the door 30 is closed, the door hook 14 contacts the latch hook 13 through the through-hole 211 on the front plate 21, and rotates the latch hook 13 relative to the interlock seat 12, first, the first protruding contact 131 on the latch hook 13 contacts the monitor switch 16, and then, the second protruding contact 132 contacts the interlock switch 15, so as to start the micro-steaming oven. At this time, since the locking hook 13 rotates under the urging force of the door hook 14, the elastic restoring member 17 is also elongated along the moving direction of the locking hook 13; when the door body 30 is opened, the door hook 14 is separated from the latch hook 13 through the insertion hole 211 on the front plate 21, at this time, the latch hook 13 rotates back under the pulling force of the elastic reset piece 17 to automatically reset, the latch hook 13 is separated from the interlock switch 15 first and then separated from the monitor switch 16, and due to the effect of the elastic reset piece 17, the latch hook 13 cannot be touched with the interlock switch 16 and the monitor switch 16 to cause hidden troubles and normal use due to improper operation or misoperation.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (8)

1. A door interlocking device comprises a fixed support, an interlocking seat arranged on the fixed support, a lock hook rotatably arranged on the interlocking seat, a door hook capable of contacting with or separating from the lock hook, and an interlocking switch and a monitoring switch arranged around the lock hook, wherein the monitoring switch and the interlocking switch are sequentially arranged along the rotating direction of the lock hook during working; the method is characterized in that: the elastic reset piece is arranged on the locking hook at one end and connected to the fixed bracket through a fixed buckle at the other end; the side wall of the lock hook is respectively provided with a first protruding contact and a second protruding contact, the door hook acts on the lock hook through external force, the lock hook rotates relative to the fixed support, the elastic reset piece is elongated along the movement direction of the lock hook, the first protruding contact is made to contact the monitoring switch, and meanwhile, the second protruding contact is made to contact the interlocking switch.

2. The door interlock of claim 1 wherein: the side wall of the lock hook, which is far away from the first protruding contact and the second protruding contact, is provided with a slow hook column, and the hook shape of the slow hook column extends along the rotation direction of the lock hook during operation.

3. The door interlock of claim 2 wherein: and the door hook is provided with a strip-shaped hole matched with the slow hook post.

4. The door interlock of claim 2 wherein: and a limiting column is arranged on the side wall of the lock hook between the slow hook column and the first raised contact.

5. The door interlock of claim 1 wherein: the interlock switch is a normally open switch, and the monitoring switch is a normally closed switch.

6. The door interlock of claim 1 wherein: the elastic reset piece is a tension spring.

7. The door interlock of claim 1 wherein: the interlocking switch and the monitoring switch are both assembled and disassembled on the interlocking seat through a positioning column and a clamping hook.

8. A micro-steaming oven comprises an oven main body, a front plate arranged at the opening end of the oven main body and a door body pivoted on the oven main body; the method is characterized in that: the door interlock apparatus according to any one of claims 1 to 7, wherein the fixing bracket is fixedly coupled at a bottom portion thereof to the heat insulating plate of the toaster body and at a top portion thereof to the front plate; the door hook is arranged on the inner side surface of the door body, and the front plate is provided with a through insertion hole which is convenient for the door hook to be inserted.

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