CN212465749U - Switch structure and cooking utensil thereof - Google Patents

Abstract

The utility model relates to a kitchen ware, in particular to a switch structure and a cooking utensil thereof, comprising a microswitch and a linkage module for controlling the working state of the microswitch, wherein the microswitch is provided with a conductive main body and a conductive sheet, one end of the conductive sheet is connected with the conductive main body, and the other end is a free end; the linkage module is used for controlling the free end of the conducting strip to be in contact with or separated from the conducting main body in a linkage manner, and the linkage module is provided with a reset structure; under the action of an acting force, the linkage module controls the free end of the conducting strip to be in linkage contact with the conducting main body; and when the acting force is cancelled, the reset structure controls the linkage module to reset, and the free end of the conducting strip is separated from the conducting main body. The utility model discloses a setting of linkage module has avoided the on-off structure to put through under the exogenic action for the on-off structure can be according to the condition of external force, through linkage module control switch structure's operating condition, avoids the on-off structure to put through at will in using the return circuit, has improved the security that the on-off structure used in the return circuit.

Description

Switch structure and cooking utensil thereof

Technical Field

The present invention relates to a kitchen utensil, and more particularly, to a switch structure and a cooking utensil thereof.

Background

Cooking appliances are an indispensable part of modern home life, and therefore the safety of cooking appliances is an important point of attention today.

But traditional cooking utensil still can start the heating when the user forgets to place the pan, and this often can appear forgetting the condition of putting the pan to a lot of old man that memory is declining, has increased the risk that the heat-generating body dry combustion method generates heat or even catches fire. In order to deal with the situation, a few appliances have the function of detecting whether the pot body is placed, but the pot detecting switch is positioned at the bottom of the middle layer or the bottom of the pot, and the switch and the fixed fittings are easy to deform under the long-term high temperature due to the fact that the pot detecting switch is close to the heating plate, so that the switch action is invalid, and potential safety hazards are buried. Therefore, how to effectively and quickly check whether the pan body is placed and effectively control the switch of the circuit is the focus of research nowadays.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switch structure for overcoming the problem that the heating element of the cooking utensil generates heat by dry burning or even fires.

In the technical scheme, the switch structure comprises a microswitch and a linkage module for controlling the working state of the microswitch, wherein the microswitch is provided with a conductive main body and a conductive sheet, one end of the conductive sheet is connected with the conductive main body, and the other end of the conductive sheet is a free end; the linkage module is used for controlling the free end of the conducting strip to be in contact with or separated from the conducting main body in a linkage manner, and the linkage module is provided with a reset structure; under the action of an acting force, the linkage module controls the free end of the conducting strip to be in linkage contact with the conducting main body; and when the acting force is cancelled, the reset structure controls the linkage module to reset, and the free end of the conducting strip is separated from the conducting main body.

The utility model, through the arrangement of the linkage module, the free end of the conducting strip is in linkage control with the conducting main body under the action of force; and when the acting force is cancelled, the reset structure controls the linkage module to reset, and the free end of the conducting strip is separated from the conducting main body. The switch structure is prevented from being switched on under the condition of no force, the switch structure can control the working state of the switch structure through the linkage module according to the condition of external force, the switch structure is prevented from being switched on randomly in an application loop, and the application safety of the switch structure in the loop is improved.

Preferably, the linkage module is further provided with a movable transmission rod, one end of the transmission rod is a free end capable of applying an acting force to the outside, and the other end of the transmission rod is in contact with the reset structure; the transmission rod is provided with a trigger surface which is used for extruding the conducting plate and is contacted with the conducting plate. The setting is so for through the transfer line motion, can extrude or reset the conducting strip with the face that triggers of conducting strip contact to the free end and the electrically conductive main part contact of control conducting strip or part, carry out effective control to the operating condition who inserts the switch structure in the return circuit, avoid appearing the state of putting through at will, improve the security. Through the contact of the reset structure and the other end of the transmission rod, when acting force is not applied, the reset structure can apply the acting force to reset the microswitch, namely the switch structure is restored to an off state, and the convenience and the rapidity of resetting are improved. It should be noted that the application of force to the actuator rod is only one form and is not intended to be limiting.

Preferably, the driving rod comprises a pressing part for applying acting force, a connecting part and a triggering part provided with a triggering surface, and the pressing part, the connecting part and the triggering part are sequentially connected and integrally formed. This is provided to provide a construction of the transmission rod, which is of course only preferred and not intended to be limiting. The pressing part, the connecting part and the triggering part are sequentially connected and integrally formed, so that the seam is reduced, and the strength of the whole transmission rod is improved. Generally, the external application function is to act on the pressing portion. This is of course preferred and not intended to be limiting.

Preferably, the linkage module is further provided with a support for mounting the transmission rod, the support is provided with a mounting hole for movably mounting the transmission rod, and the shape of the mounting hole is matched with that of the transmission rod. The arrangement is convenient for fixing the transmission rod, so that the micro switch is effectively subjected to coordination work control.

Preferably, the position department of installing connecting portion on the support is equipped with the mount pad, and reset structure installs in the mount pad and with connecting portion cooperation. The arrangement is convenient for directly acting on the connecting part, so that the reset structure is convenient for effectively resetting the microswitch.

Preferably, the bracket is provided with a second mounting hole for mounting the conductive main body, the conductive main body is provided with a third mounting hole, and the conductive main body passes through the third mounting hole and the second mounting hole through the fixing structure to be fixedly connected with the bracket. This arrangement is convenient for fixing the conductive body. Preferably, the second mounting hole is adjacent to the mounting hole, so that the driving rod is contacted with the conductive sheet to apply force.

Preferably, the return structure is an elastic member or a spring. The choice of elastic member or spring is only one form, and the cost is lower and the convenience of use is higher. Of course, the arrangement of the return structure as an elastic member or spring is only preferred and not restrictive, and other similar return structures are possible.

Preferably, the linkage module is further provided with a shaft sleeve, and the shaft sleeve is sleeved on the pressing portion. The arrangement is convenient for the matching installation of the switch structure and an external structure such as a pot body, the situation that the switch structure penetrates through a large hole of the pot body or the situation that the transmission rod penetrates through the mounting hole of the bracket is avoided, and the installation reliability is improved; meanwhile, the pressing part can be effectively protected.

The utility model also provides a cooking utensil, cooking utensil includes the pot body, the side mid-mounting of the pot body has foretell switch structure, the inner bag that is used for applying the effort to the linkage module is placed in the internal activity of pot.

The utility model discloses a cooking utensil is through setting up the switch structure, when the inner bag is put into the pot body, can apply the effort to the linkage module, namely will press the free end of transfer line, the transfer line can move in the mounting hole of support this moment, when the trigger face of transfer line contacts with the conducting strip and extrudes the conducting strip, the free end and the electrically conductive main part contact of conducting strip, micro-gap switch switches on in the return circuit, signal (low level) transmission is as the judgement foundation that judges that the pot has been put for the controller this moment, the controller control cooking utensil cooks; when the inner container is taken away, the compressed reset structure rebounds, the linkage module resets, the transmission rod moves back in the mounting hole of the support, when the trigger surface of the transmission rod is only lightly touched or not contacted with the conductive sheet, the free end of the conductive sheet is separated from the conductive main body, the microswitch is disconnected in a loop, and at the moment, a signal (low level) is transmitted to the controller to serve as a judgment basis for judging that the pot is not placed, and the controller controls the cooking utensil not to cook; thereby effectively avoided forgetting when placing the inner bag, still can start the heating, lead to the heat-generating body dry combustion method to generate heat and even the risk of getting on fire appears. The control of the switch structure is an electric control method, and the operating state of the cooking appliance may be controlled by directly turning off or on the current-carrying circuit of the main heater. In addition, the microswitch is in a normally open mode; the microswitch may also be in a normally closed form when the circuit requires it. The microswitch is switched on and off, a low-level signal can be transmitted, and the signal is transmitted to the controller to be used as a judgment basis for judging whether the pot is put or not put. The micro switch can be in a high current form or a low current form, and can be in a contact type or a spring plate type. These are selected on a case-by-case basis and are not intended to be restrictive. Meanwhile, the switch structure is arranged in the middle of the side face, so that the switch structure is far away from the heating body, the switch assembly and the fixing piece are kept at normal use temperature, and the service life and the working reliability of the switch structure are greatly prolonged.

Preferably, a sensor assembly, a heating disc and a controller for controlling the working state of the whole cooking utensil are arranged in the pot body, and the controller is electrically connected with the sensor assembly, the heating disc and the switch structure; the sensor component and the heating plate are arranged at the bottom of the pot body. The device is connected into a loop through a switch structure, and a signal is sent to a controller by switching on or off the switch structure, and the controller controls the working state of the heating plate. And the temperature state of induction heating through the sensor assembly transmits a signal to the controller, and the heating plate is adjusted through the controller, so that the phenomenon that the temperature in the pot body is too high or too low is avoided.

Compared with the prior art, the beneficial effects are:

the utility model provides a switch structure and a cooking utensil thereof, which can make the free end of a conducting strip contact with a conducting main body under the action of force through the arrangement of a linkage module; and when the acting force is cancelled, the reset structure controls the linkage module to reset, and the free end of the conducting strip is separated from the conducting strip. The switch structure is prevented from being switched on under the condition of no force, the switch structure can control the working state of the switch structure through the linkage module according to the condition of external force, the switch structure is prevented from being switched on randomly in an application loop, and the application safety of the switch structure in the loop is improved. The utility model discloses a cooking utensil takes the switch module to set up in the form of pot body middle level lateral wall, keeps away from the heat-generating body, makes switch module and mounting maintain normal use temperature, has prolonged life and operational reliability greatly. Additionally the utility model discloses a switch structure form is simple, convenient assembling, and action reliability and stability are high.

Drawings

Fig. 1 is an exploded view of the switch structure of the present invention;

FIG. 2 is a schematic diagram of the switch structure prior to assembly;

FIG. 3 is a schematic diagram of the assembled switch structure;

FIG. 4 is a schematic diagram of a switch structure;

FIG. 5 is a schematic view of another angle of the switch structure;

FIG. 6 is a schematic structural view of the pan body, the inner container and the switch structure before installation;

FIG. 7 is a schematic structural view of the inner container placed in the pot body;

FIG. 8 is a schematic structural view of a touch switch structure with an inner container placed in a pot body;

FIG. 9 is another schematic structural view of the touch switch structure with the inner container placed in the pot body;

FIG. 10 is a schematic structural view of the inner container not placed in the pot body;

FIG. 11 is a schematic structural view showing the switch structure in the pan body without the inner container;

FIG. 12 is another schematic view of the switch structure of the inner container not being placed in the pot body.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example one

Fig. 1 to 5 show a first embodiment of a switch structure of the present invention, which includes a micro switch 1 and a linkage module 2 for controlling the operating state of the micro switch 1, wherein the micro switch 1 has a conductive main body 11 and a conductive plate 12, one end of the conductive plate 12 is connected to the conductive main body 11, and the other end is a free end; the linkage module 2 controls the free end of the conducting strip 12 to contact with or separate from the conducting strip 12 in a linkage manner, and the linkage module 2 is provided with a reset structure 21; under the action of an acting force, the linkage module 2 controls the free end of the conducting strip 12 to be in linkage with the conducting strip 12; the acting force is removed, the reset structure 21 controls the linkage module 2 to reset, and the free end of the conducting strip 12 is separated from the conducting strip 12.

As shown in fig. 1 to 5, the linkage module 2 is further provided with a movable transmission rod 22, one end of the transmission rod 22 is a free end capable of applying an acting force from the outside, and the other end of the transmission rod is in contact with the reset structure 21; the transmission lever 22 is provided with a trigger surface 221 that contacts the conductive plate 12. The setting is so for through the movable rod motion, can extrude or reset the conducting strip with the face of triggering of conducting strip contact to the free end and the electrically conductive main part contact of control conducting strip or part, carry out effective control to the operating condition who inserts the switch structure in the return circuit, avoid appearing the state of putting through at will, improve the security. Through the contact of the reset structure and the other end of the transmission rod, when acting force is not applied, the reset structure can apply the acting force to reset the microswitch, namely the switch structure is restored to an off state, and the convenience and the rapidity of resetting are improved. It should be noted that the application of force to the actuator rod is only one form and is not intended to be limiting.

As shown in fig. 1 and 2, the driving lever 22 includes a pressing portion 222 for applying a force, a connecting portion 223, and a trigger portion 224 provided with a trigger surface 221, and the pressing portion 222, the connecting portion 223, and the trigger portion 224 are integrally connected in sequence. This is provided to provide a construction of the transmission rod, which is of course only preferred and not intended to be limiting. The pressing part, the connecting part and the triggering part are sequentially connected and integrally formed, so that the seam is reduced, and the strength of the whole transmission rod is improved.

As shown in fig. 1 to 5, the linkage module 2 is further provided with a bracket 23 for mounting the transmission rod 22, the bracket 23 is provided with a mounting hole 231 for movably mounting the transmission rod 22, and the shape of the mounting hole 231 matches with the shape of the transmission rod 22. The arrangement is convenient for fixing the transmission rod, so that the micro switch is effectively subjected to coordination work control.

As shown in fig. 2 and 3, a mounting seat 232 is provided at a position of the bracket 23 where the connecting portion 223 is mounted, and the restoring structure 21 is mounted in the mounting seat 232 and is engaged with the connecting portion 223. The arrangement is convenient for directly acting on the connecting part, so that the reset structure is convenient for effectively resetting the microswitch.

As shown in fig. 2 and 3, the bracket 23 is provided with a second mounting hole 234 for mounting the conductive body 11, the conductive body 11 is provided with a third mounting hole 111, and the conductive body 11 passes through the third mounting hole 111 and the second mounting hole 234 through a fixing structure to be fixedly connected with the bracket 23. This arrangement is convenient for fixing the conductive body. Preferably, the second mounting hole 234 is adjacent to the mounting hole 231, thereby facilitating the application of force by the driving lever in contact with the conductive sheet.

As shown in fig. 1, the return structure 21 is an elastic member or a spring. The choice of elastic member or spring is only one form, and the cost is lower and the convenience of use is higher. Of course, the arrangement of the return structure as an elastic member or spring is only preferred and not restrictive, and other similar return structures are possible.

As shown in fig. 1 to fig. 5, the linkage module 2 further includes a shaft sleeve 24, and the shaft sleeve 24 is sleeved on the pressing portion 222. The arrangement is convenient for the matching installation of the switch structure and an external structure such as a pot body, the situation that the switch structure penetrates through a large hole of the pot body or the situation that the transmission rod penetrates through the mounting hole of the bracket is avoided, and the installation reliability is improved; meanwhile, the pressing part can be effectively protected.

The specific working principle is as follows:

when external acting force acts on the pressing part of the transmission rod, the transmission rod starts to move towards the direction of pressing the reset structure, the reset structure is that the spring is compressed, the trigger surface moving to the trigger part extrudes the conducting plate, that is, the conducting plate is in pressing contact, at the moment, the free end of the conducting plate is in contact with the conducting main body, and at the moment, the switch is in a switch-on state; when the external world withdraws the acting force, the reset structure pushes the transmission rod to move and reset, then the trigger surface of the trigger part does not extrude the conducting strip any more, the free end of the conducting strip is separated from the conducting main body, and the switch is in an off state at the moment. It should be noted that, it is feasible that the switch structure is in both a normally open state and a normally closed state, and in this embodiment, the switch structure is in the normally open state, and the normally closed operating principle is similar, which is not described here. In addition, the micro switch can be in a high current form or a low current form, and can be in a contact type or a spring plate type, and the contact type or the spring plate type can be selected according to the requirement.

Example two

Fig. 6 to 12 show a second embodiment of the cooking utensil of the present invention, wherein the cooking utensil comprises a pot body 3, a switch structure 7 of the first embodiment is arranged in the middle of the side surface of the pot body 3, and an inner container 4 for applying an acting force to the linkage module 2 is movably arranged in the pot body 3. As shown in the figure, the switch structure 7 is installed in a fourth installation hole 31 in the middle of the side surface of the pot body 3.

As shown in fig. 6, a sensor assembly 5, a heating plate 6 and a controller for controlling the working state of the whole cooking appliance are arranged in the pot body 3, and the controller is electrically connected with the sensor assembly 5, the heating plate 6 and the switch structure 7; the sensor component 5 and the heating plate 6 are arranged at the bottom of the pot body 3. The heating plate is connected to the loop through the switch structure, and the controller controls the working state of the heating plate by switching on or off the switch structure to send a signal to the controller. And the temperature state of induction heating through the sensor assembly transmits a signal to the controller, and the heating plate is adjusted through the controller, so that the phenomenon that the temperature in the pot body is too high or too low is avoided. It should be noted that the cooking appliances include, but are not limited to, air fryer, electric cooker, electric pressure cooker, and the like.

The specific working principle is as follows:

as shown in fig. 7, 8 and 9, when the inner container is placed in the pot body, the inner container applies an acting force to the linkage module, that is, the free end of the transmission rod is pressed, at this time, the external acting force is greater than the acting force applied by the reset structure, that is, the spring is compressed, the transmission rod moves in the mounting hole of the bracket in the direction close to the conductive main body, when the trigger surface of the transmission rod contacts with the conductive sheet and extrudes the conductive sheet, the free end of the conductive sheet contacts with the conductive main body in a pressing manner, the microswitch is switched on in a loop, at this time, a signal (low level) is transmitted to the controller as a judgment basis for judging that the pot is placed, and the controller controls the cooking appliance to perform heating cooking;

as shown in fig. 10, 11, 12, when the inner bag was taken away, that is, when not putting into the pot body, the effort that the inner bag was applyed on the linkage module was cancelled, the reset structure that is compressed this moment rebounds, the transfer line can be at the mounting hole of support toward the direction motion of keeping away from reset structure this moment, only touch gently or do not contact when the trigger surface of transfer line and conducting strip, the free end and the electrically conductive main part separation of conducting strip, micro-gap switch breaks off in the return circuit, signal (low level) transmission is as the judgement basis of judging not putting the pot this moment, controller control cooking utensil does not heat the culinary art.

The control of the switch structure is an electric control method, and the operation state of the cooking appliance may be controlled by directly turning off or on the current-carrying circuit of the main heater and directly switching on or off the main heater.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A switch structure is characterized by comprising a microswitch (1) and a linkage module (2) for controlling the working state of the microswitch (1), wherein the microswitch (1) is provided with a conductive main body (11) and a conductive sheet (12), one end of the conductive sheet (12) is connected with the conductive main body (11), and the other end of the conductive sheet is a free end; the linkage module (2) is used for controlling the free end of the conducting strip (12) to be in contact with or separated from the conducting main body (11) in a linkage mode, and the linkage module (2) is provided with a reset structure (21); under the action of an acting force, the linkage module (2) controls the free end of the conducting strip (12) to be in linkage contact with the conducting main body (11); and (3) canceling the acting force, controlling the linkage module (2) to reset by the reset structure (21), and separating the free end of the conducting strip (12) from the conducting main body (11).

2. The switch structure according to claim 1, characterized in that the linkage module (2) is further provided with a movable transmission rod (22), one end of the transmission rod (22) is a free end capable of applying an acting force to the outside, and the other end of the transmission rod is in contact with the reset structure (21); the transmission rod (22) is provided with a triggering surface (221) which is used for extruding the conducting strip (12) and is contacted with the conducting strip (12).

3. The switch structure according to claim 2, characterized in that the transmission rod (22) comprises a pressing part (222) for applying an acting force, a connecting part (223), and a triggering part (224) provided with a triggering surface (221), wherein the pressing part (222), the connecting part (223), and the triggering part (224) are connected in sequence and integrally formed.

4. The switch structure according to claim 2 or 3, characterized in that the linkage module (2) is further provided with a bracket (23), the bracket (23) is provided with a mounting hole (231) for movably mounting the transmission rod (22), and the shape of the mounting hole (231) is matched with the shape of the transmission rod (22).

5. The switch structure according to claim 4, characterized in that a mounting seat (232) is arranged at the position of the bracket (23) where the connecting part (223) is mounted, and the reset structure (21) is mounted in the mounting seat (232) and is matched with the connecting part (223).

6. The switch structure according to claim 4, wherein the bracket (23) is provided with a second mounting hole (234) for mounting the conductive body (11), the conductive body (11) is provided with a third mounting hole (111), and the conductive body (11) passes through the third mounting hole (111) and the second mounting hole (234) through a fixing structure to be fixedly connected with the bracket (23).

7. The switch structure according to claim 1, characterized in that said return structure (21) is an elastic member or a spring.

8. The switch structure according to claim 3, characterized in that the linkage module (2) is further provided with a bushing (24), and the bushing (24) is sleeved on the pressing portion (222).

9. A cooking appliance comprises a pot body (3), and is characterized in that the switch structure (7) of any one of claims 1 to 8 is mounted in the middle of the side surface of the pot body (3), and an inner container (4) used for applying acting force to a linkage module (2) is movably placed in the pot body (3).

10. The cooking appliance according to claim 9, wherein a sensor assembly (5), a heating plate (6) and a controller for controlling the working state of the whole cooking appliance are arranged in the pot body (3), and the controller is electrically connected with the sensor assembly (5), the heating plate (6) and the switch structure (7); the sensor component (5) and the heating plate (6) are arranged at the bottom of the pot body (3).

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