CN212958136U

CN212958136U - Safe door opening mechanism and cooking appliance

Info

Publication number: CN212958136U
Application number: CN202020920833.0U
Authority: CN
Inventors: 王威; 李丰; 王建斌
Original assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Current assignee: Guangdong Galanz Enterprises Co Ltd; Guangdong Galanz Microwave Electric Manufacturing Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-13
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a safe mechanism of opening door and cooking device, safe mechanism of opening door includes locking structure, locking structure is used for setting up on one of them in the door body and the control panel of cooking device, be used for setting up first jack on another one in the door body and the control panel, locking structure includes first switch and with the moving member that first switch transmission is connected, the one end of moving member is equipped with the bolt, the bolt is used for inserting and locating in the first jack; the first switch drives the moving piece to move so as to control the bolt to be separated from the first jack. The mechanism increases the difficulty of opening the door body, and the user can open the door only by two-step operation, so that the risk of scalding the user by high-temperature articles in the cooking appliance is reduced, and the use safety of the cooking appliance product is improved. In addition, the structure is reliable and reasonable, the manufacturing cost is low, and the operation is simple and convenient.

Description

Safe door opening mechanism and cooking appliance

Technical Field

The utility model relates to a cooking appliance technical field especially relates to a mechanism and cooking appliance of opening door safely.

Background

The door opening modes of the cooking appliances on the market, such as microwave ovens, include a handle type and a button type, namely, a user can open the door in one step by pulling the handle or pressing a door opening button, and the user can directly close the oven door after using the door. However, the door opening mode which can be realized by only one step is unsafe for users, and when the users open the door by mistake, the users may be scalded by the high-temperature food inside the doors, which causes safety accidents.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a safety door opening mechanism and a cooking appliance for solving the above technical problems, so that a user can be effectively prevented from easily opening a door body, and the improvement of the use safety of the cooking appliance is facilitated.

A safe door opening mechanism is used for controlling the opening and closing of a door body of a cooking appliance, and comprises:

the locking structure is arranged on one of the door body and a control panel of the cooking appliance, the other of the door body and the control panel is used for arranging a first jack, the locking structure comprises a first switch and a moving piece in transmission connection with the first switch, and one end of the moving piece is provided with a plug pin which is inserted into the first jack; the first switch drives the moving piece to move so as to control the bolt to be separated from the first jack; the locking structure further comprises a gear transmission piece, the gear transmission piece comprises a gear end and a connecting end which are arranged oppositely, the connecting end is connected to the first switch, the moving piece is provided with a tooth-pattern surface, and the tooth-pattern surface is matched with the gear end.

The technical solution is further explained below:

in one embodiment, the locking structure further includes a guide member, the moving member is provided with a guide groove, one end of the guide member is used for being mounted on one of the door body and the control panel, the other end of the guide member is inserted into the guide groove, and the length direction of the guide groove is parallel to the tooth pattern extending direction of the tooth pattern surface.

In one embodiment, the locking structure further comprises a torsion spring, one end of the torsion spring is connected to one of the door body and the control panel, and the other end of the torsion spring is connected to the first switch; the torsion spring is used for resetting the torsion spring.

In one embodiment, the locking structure further comprises a return spring, one end of the return spring is connected to the moving member, and the other end of the return spring is mounted on one of the door body and the control panel; the reset spring is used for driving the moving piece to move, so that the plug pin is inserted into the first jack.

In one embodiment, the return spring is a coil spring or a wave spring.

In one embodiment, the latch includes a guide surface; when the locking structure is arranged on the control panel, the guide surface is arranged towards the door body; when the locking structure is arranged on the door body, the guide surface faces the control panel.

In one embodiment, the first switch is a knob switch, and the moving member is a rack.

In one embodiment, an electric cooking appliance comprises a door body, a box body and a safety door opening mechanism according to any one of the above embodiments, wherein the door body is connected with the box body in an openable or closable manner, the box body comprises a control panel, a locking structure can be arranged on one of the door body and the control panel, a first insertion hole is formed in the other one of the door body and the control panel, and a bolt is matched with the first insertion hole.

In one embodiment, a door hook is arranged on the door body, a limiting block is arranged on the box body, and the door hook can be connected to the limiting block in a clamping mode.

In one embodiment, a handle is arranged on the door body or a door opening button is arranged on the control panel, and the handle or the door opening button is used for controlling the clamping connection of the door hook and the limiting block.

Above-mentioned safe mechanism and cooking appliance of opening door has following beneficial effect at least:

the safety door opening mechanism provided by the embodiment is arranged on a handle type cooking appliance or a button type cooking appliance. When the door body of cooking device is opened to needs, need utilize first switch drive gear drive spare motion earlier, gear drive spare drives the moving member through gear end and insection face cooperation and removes for the bolt of moving member breaks away from in following first jack, and the user pulls the handle or presses the button after that, can open the door body. The difficulty that the door body was opened has been increased to above-mentioned mode, and the user needs two steps of operations just can open the door to reduced the risk that the user was scalded by high temperature article in the cooking electrical apparatus, and then improved the safety in utilization of cooking electrical apparatus product. In addition, the structure is reliable and reasonable, the manufacturing cost is low, and the operation is simple and convenient.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cooking appliance according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a safety door opening mechanism arranged on a control panel of the cooking appliance according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the locking structure shown in FIG. 2;

FIG. 4 is an exploded view of the locking mechanism shown in FIG. 3;

FIG. 5 is a cross-sectional view of the locking structure shown in FIG. 3;

fig. 6 is an exploded view of the first switch according to an embodiment of the present invention.

Description of reference numerals: 100. a locking structure; 110. a first switch; 120. a moving member; 121. a textured surface; 122. a guide groove; 130. a bolt; 131. a guide surface; 140. a gear transmission member; 141. a gear end; 142. a connecting end; 150. a guide member; 160. a return spring; 170. a torsion spring; 200. a door body; 210. a first jack; 220. a door hook; 230. a handle; 300. a box body; 310. a control panel.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The embodiment provides a safe door opening mechanism and a cooking appliance, which have the advantages that a user is effectively prevented from easily opening the door body 200, and the use safety of the cooking appliance is improved, and the following detailed description is provided with reference to the attached drawings.

In one embodiment, referring to fig. 1, 3 and 4, a safety door opening mechanism is used for controlling the opening and closing of a door 200 of an electric cooking appliance. The safety door opening mechanism includes a locking structure 100. The locking structure 100 is configured to be disposed on one of the door 200 and the control panel 310 of the cooking appliance. The other of the door 200 and the control panel 310 is used for installing a first insertion hole 210. The locking structure 100 includes a first switch 110 and a moving member 120 in driving connection with the first switch 110. One end of the moving member 120 is provided with a plug 130, and the plug 130 is used for being inserted into the first insertion hole 210. The first switch 110 drives the moving member 120 to move for controlling the plug 130 to be separated from the first socket 210. The locking mechanism 100 further includes a gear drive 140, wherein the gear drive 140 includes a gear end 141 and a connecting end 142 that are oppositely disposed. The connecting end 142 is connected to the first switch 110, the moving member 120 is provided with a toothed surface 121, and the toothed surface 121 is matched with the gear end 141. The gear transmission member 140 is a gear, and the connection end 142 of the gear is a stub inserted into the first switch 110 for connecting the gear to the first switch 110. The tooth pattern of the gear is engaged with the tooth pattern surface 121 of the moving member 120. The first switch 110 is a knob switch, and the moving member 120 is a rack. The cooking appliance may be an induction cooker, an oven, or the like.

The safety door opening mechanism provided by the embodiment is arranged on a handle type cooking appliance or a button type cooking appliance. When the door body 200 of the cooking appliance needs to be opened, the first switch 110 needs to be used for driving the gear transmission member 140 to move, the gear transmission member 140 drives the moving member 120 to move through the matching of the gear end 141 and the insection surface 121, so that the plug pin 130 of the moving member 120 is separated from the first insertion hole 210, and then a user pulls the handle or presses the button, so that the door body 200 can be opened. The difficulty that door body 200 opened has been increased to above-mentioned mode, and the user needs two steps of operations just can open the door to reduced the risk that the user is scalded by high temperature article in the cooking appliance, and then improved the safety in utilization of cooking appliance product. In addition, the structure is reliable and reasonable, the manufacturing cost is low, and the operation is simple and convenient.

In one embodiment, referring to fig. 3 to 5, the locking structure 100 further includes a guiding element 150, and the moving element 120 is provided with a guiding groove 122. One end of the guide 150 is configured to be mounted on one of the door body 200 and the control panel 310, and the other end of the guide 150 is inserted into the guide groove 122. The longitudinal direction of the guide groove 122 is parallel to the extending direction of the insection surface 121. Specifically, the guide 150 is a flat bar-shaped cylinder, the moving member 120 is a rectangular parallelepiped with a guide groove 122 formed in the middle, the flat bar-shaped cylinder is inserted into the guide groove 122 of the moving member 120, the guide groove 122 of the moving member 120 can reciprocate along the guide 150, and the guide 150 controls the movement path of the moving member 120. Further, the guide groove 122 is a strip-shaped groove, and the length direction of the guide groove 122 is parallel to the insection surface 121 of the moving member 120. Therefore, the first switch 110 drives the gear transmission member 140 to move, the gear transmission member 140 drives the moving member 120 to move by meshing the gear end 141 and the insection surface 121, the moving member 120 can only move along the length direction of the guide groove 122 and cannot be separated from the guide member 150, so that the plug pin 130 of the moving member 120 is separated from the first insertion hole 210, and then a user pulls the handle or presses the button, so that the door body 200 can be opened. When the door body 200 is closed, the first switch 110 may also be rotated in the opposite direction, so that the first switch 110 drives the gear transmission member 140 to rotate, and the gear transmission member 140 drives the moving member 120 to move toward the first insertion hole 210 through the toothed surface 121 until the plug 130 is inserted into the first insertion hole 210, thereby implementing the second locking of the door body 200.

In one embodiment, referring to fig. 6, the locking structure 100 further comprises a torsion spring 170. One end of the torsion spring 170 is connected to one of the door body 200 (shown in fig. 1) and the control panel 310, and the other end of the torsion spring 170 is connected to the first switch 110. The torsion spring 170 is used to reset the torsion spring 170. Specifically, when the door 200 is in the closed state, the steps of opening the door 200 are as follows: rotating first switch 110, torsional spring 170 takes place deformation, and first switch 110 drives gear drive spare 140 and rotates, and insection face 121 of moving member 120 meshes with gear end 141 of gear drive spare 140, and moving member 120 also removes along with the direction of keeping away from first jack 210 of orientation for bolt 130 breaks away from first jack 210, and the user only need pull the handle or press the button and can open door body 200 afterwards. After the latch 130 is disengaged from the first receptacle 210, the first switch 110 is reset under the elastic force of the torsion spring 170, that is, the first switch 110 is returned to the position where the door 200 is closed, so as to prepare for opening the door next time. When the first switch 110 is disposed on the door body 200, one end of the torsion spring 170 is connected to the door body 200, and the other end of the torsion spring 170 is connected to the first switch 110. When the first switch 110 is disposed on the control panel 310, one end of the torsion spring 170 is connected to the control panel 310, and the other end of the torsion spring 170 is connected to the first switch 110.

In one embodiment, referring to fig. 2 to 4, the locking structure 100 further includes a return spring 160. One end of the return spring 160 is connected to the moving member 120, and the other end of the return spring 160 is mounted on one of the door body 200 and the control panel 310. The return spring 160 is used for driving the moving member 120 to move, so that the plug 130 is inserted into the first insertion hole 210. Specifically, when the moving member 120 is disposed on the door body 200, one end of the return spring 160 is connected to the door body 200, and the other end of the return spring 160 is connected to the moving member 120. When the moving member 120 is disposed on the control panel 310, one end of the return spring 160 is connected to the control panel 310, and the other end of the return spring 160 is connected to the moving member 120. In the process of opening the door body 200, the first switch 110 is rotated, the first switch 110 drives the gear transmission member 140 to rotate, the insection surface 121 of the moving member 120 is meshed with the gear end 141 of the gear transmission member 140, the moving member 120 also moves along with the direction away from the first insertion hole 210, the reset spring 160 deforms, the plug pin 130 is separated from the first insertion hole 210, and then the user only needs to pull the handle or press the button to open the door body 200. After the latch 130 is separated from the first insertion hole 210, the moving member 120 is reset under the elastic force of the reset spring 160, that is, the moving member 120 is at a position where it is restored to the closed state of the door 200, so as to prepare for opening the door next time. Further, the return spring 160 is a coil spring or a wave spring.

In one embodiment, referring to fig. 1, 2 and 4, the pin 130 includes a guide surface 131. When the locking structure 100 is disposed on the control panel 310, the guide surface 131 is disposed toward the door body 200. When the locking structure 100 is disposed on the door body 200, the guide surface 131 is disposed toward the control panel 310. Specifically, the following description is made taking as an example that the lock structure 100 is provided on the control panel 310: in the closing process of the door body 200, the door body 200 is firstly abutted to the guide surface 131, the bolt 130 is acted by force, so that the moving member 120 moves towards the direction far away from the first jack 210, and at the moment, the return spring 160 deforms; when the door body 200 is completely closed, the pin 130 is aligned with the first insertion hole 210, and the moving member 120 drives the pin 130 to be inserted into the first insertion hole 210 under the reset action of the reset spring 160, so as to implement the secondary locking of the door body 200. The guide surface 131 is provided to facilitate the door body 200 to compress the latch 130 in a direction away from the first insertion hole 210, so that the door body 200 can be completely closed.

In one embodiment, referring to fig. 1 to 3, an electric cooking appliance includes a door 200 and a box 300, and the safety door-opening mechanism according to any one of the above embodiments is provided. The door 200 is openably or closably connected to the cabinet 300. The cabinet 300 includes a control panel 310, and the locking structure 100 may be disposed on one of the door 200 and the control panel 310. The other one of the door body 200 and the control panel 310 is provided with a first insertion hole 210, and the latch 130 is matched with the first insertion hole 210.

Further, referring to fig. 1 and fig. 3, a handle 230 is disposed on the door body 200 or a door opening button (not shown) is disposed on the control panel 310, and the handle 230 or the door opening button is used for controlling the clamping connection between the door hook 220 and the limiting block. The door body 200 is provided with a door hook 220, the box body 300 is provided with a limit block (not shown), and the door hook 220 can be connected to the limit block in a clamping manner. The user only needs to rotate the first switch 110 first and then pull the handle or press the door opening button to open the door body 200. For example, when the user pulls the handle, the door hook 220 is separated from the stopper, and the door 200 can be opened. When the door body 200 is closed, the door hook 220 is hooked on the limiting block to realize the primary locking of the door body 200, and the plug pin 130 of the moving member 120 is inserted into the first insertion hole 210 to realize the secondary locking of the door body 200.

In one embodiment, a cooking appliance includes a safety door opening mechanism as described in any of the above embodiments. Because cooking appliance includes above-mentioned safe mechanism of opening door, technical effect is brought by safe mechanism of opening door, and beneficial effect has included the beneficial effect of safe mechanism of opening door, so does not describe herein again.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims. It should be noted that the "first mounting part" may be one of the parts of the "mounting unit" module, that is, the "mounting unit is modularly assembled with the" other members of the mounting unit "; or may be relatively independent from the "other components of the mounting unit", separable, i.e. modularly assembled with the "other components of the mounting unit" in the present device.

Equivalently, the components included in the unit, the assembly, the mechanism and the device can be flexibly combined, and can be produced in a modularized mode according to actual needs, so that the modularized assembly is convenient. The division of the above-mentioned components in the present application is only one example, which is convenient for reading and is not a limitation to the protection scope of the present application, and the same functions as the above-mentioned components should be understood as equivalent technical solutions in the present application.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. The utility model provides a safe mechanism of opening door for control cooking appliance's door body switching, its characterized in that, safe mechanism of opening door includes:

2. The safety door opening mechanism according to claim 1, wherein the locking structure further comprises a guide member, the moving member is provided with a guide groove, one end of the guide member is used for being mounted on one of the door body and the control panel, the other end of the guide member is arranged in the guide groove in a penetrating manner, and the length direction of the guide groove is parallel to the insection extending direction of the insection surface.

3. The safety door opening mechanism according to claim 1, wherein the locking structure further comprises a torsion spring, one end of the torsion spring is connected to one of the door body and the control panel, and the other end of the torsion spring is connected to the first switch; the torsion spring is used for resetting the torsion spring.

4. The safety door opening mechanism according to claim 1, wherein the locking structure further comprises a return spring, one end of the return spring is connected to the moving member, and the other end of the return spring is mounted on one of the door body and the control panel; the reset spring is used for driving the moving piece to move, so that the plug pin is inserted into the first jack.

5. The safety door opening mechanism according to claim 4, wherein the return spring is a coil spring or a wave spring.

6. The safety door opening mechanism according to claim 1, wherein the latch includes a guide surface; when the locking structure is arranged on the control panel, the guide surface is arranged towards the door body; when the locking structure is arranged on the door body, the guide surface faces the control panel.

7. The safety door opening mechanism according to claim 1, wherein the first switch is a knob switch, and the moving member is a rack.

8. An electric cooking appliance, characterized by comprising a door body, a box body and a safety door opening mechanism according to any one of claims 1 to 7, wherein the door body is connected with the box body in an opening or closing manner, the box body comprises a control panel, a locking structure can be arranged on one of the door body and the control panel, the other of the door body and the control panel is provided with a first jack, and the bolt is matched with the first jack.

9. The electrical cooking appliance according to claim 8, wherein the door body is provided with a door hook, the box body is provided with a limiting block, and the door hook can be connected to the limiting block in a clamping manner.

10. The cooking appliance according to claim 9, wherein a handle is arranged on the door body or a door opening button is arranged on the control panel, and the handle or the door opening button is used for controlling the clamping connection of the door hook and the limiting block.