Safety switch structure of air fryer

By arranging the safety switch in the interlayer of the air fryer and using the translational movable trigger structure of the push rod and micro switch, the problem of no space for arranging the safety switch under the hot air heating structure on the back of the lower cooking cavity is solved, and the safety switch is effectively triggered without increasing the height of the machine body.

CN223453124UActive Publication Date: 2025-10-21GUANGDONG BESTDAY INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422894896.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-21
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The lower cooking cavity of the existing air fryer has a hot air heating structure on the back, which means there is no space for arranging a safety switch at the open area, resulting in an increase in the height of the air fryer.

Method used

A safety switch is arranged in the interlayer between the inner wall of the air fryer body and the side of the inner pot. The push rod and the micro switch are triggered by the translational activity of the push rod and the micro switch. The push rod is pushed by the triggering top block to easily trigger the micro switch, thereby avoiding increasing the height of the body.

Benefits of technology

The safety switch can be effectively triggered without increasing the height of the machine body, thereby avoiding the problem of the fryer body being tilted when being installed and affecting the installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The safety switch structure of the air fryer comprises a machine body shell, an inner container is arranged in the machine body shell, the side portion of the machine body shell is provided with an opening allowing a fryer body to be inserted into the inner container, the fryer body comprises a panel and a fryer, after the fryer of the fryer body is inserted into the inner container, the panel closes the opening, an interlayer is arranged between the machine body shell and the side portion of the inner container, and the interlayer is provided with an opening. A safety switch is installed in the interlayer, the machine body can be provided with the safety switch without increasing the space in the height direction, the opening edge of the opening is provided with a penetrating hole where the interlayer can be inserted, the safety switch comprises a push rod and a microswitch, the push rod is located behind the penetrating hole and can move in a translation mode, and the side face, connected with the fryer, of the panel is provided with a trigger ejector block. When the panel closes the opening, the triggering ejector block penetrates through the penetrating hole to enter the interlayer and push the push rod to move backwards, the push rod moving backwards can easily jack up the triggering end of the microswitch in the moving process so that the microswitch can be communicated with a circuit, and even if the switch is not in the middle, the microswitch can be switched on. And the condition that the fryer body falls off to influence the installation after the safety switch is triggered when the fryer body is installed can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air fryer field, specifically a kind of safety switch structure of air fryer. BACKGROUND

[0002] Air fryer is a kind of kitchen cooking electric appliance, which heats air and forms hot air by fan to heat food. In the prior art, there is a double-layer air fryer, which has upper and lower cooking cavities and is respectively provided with upper and lower fryer bodies. The upper cooking cavity adopts a common upper hot air heating structure, and the lower cooking cavity adopts a back hot air heating structure for compact structure. The upper and lower cooking cavities can work simultaneously to cook different foods. Generally, to ensure safety, the fryer body triggers a safety switch when it is loaded into the cooking cavity to enable the air fryer to work normally. The safety switch is usually arranged at the opening of the cooking cavity for easy triggering by the fryer body. The upper hot air heating structure of the upper cooking cavity provides a large space above the opening of the upper cooking cavity for arranging the safety switch. However, the lower cooking cavity has no more space at the opening for arranging the safety switch due to the back hot air heating structure. Therefore, the general solution is to increase the gap space between the upper and lower cooking cavities or the gap space between the bottom of the lower cooking cavity and the inner wall of the machine body to arrange the safety switch at the middle position. However, the high machine body due to the upper and lower cooking cavities further increases the height. SUMMARY

[0003] To overcome the deficiencies of the prior art, the utility model provides a safety switch structure of air fryer.

[0004] The utility model solves the technical problems by adopting the following technical scheme:

[0005] A safety switch structure of air fryer, comprising a machine body shell, an inner container is arranged in the machine body shell, and a side portion is provided with an opening for inserting a fryer body into the inner container. The fryer body comprises a panel and a fryer. When the fryer of the fryer body is inserted into the inner container, the panel closes the opening. There is a sandwich layer between the machine body shell and the side portion of the inner container. A safety switch is installed in the sandwich layer. The opening portion is provided with a penetrating hole which can be inserted into the sandwich layer. The safety switch comprises a push rod and a micro switch. The push rod is located behind the penetrating hole and can move horizontally. A trigger block is arranged on the side of the panel connected to the fryer. When the panel closes the opening, the trigger block passes through the penetrating hole and enters the sandwich layer, and pushes the push rod to move backward. The push rod moving backward lifts the trigger end of the micro switch to make the micro switch connect the circuit.

[0006] The safety switch further comprises a fixed seat and a switch support, the fixed seat is fixed in the interlayer, the switch support is connected to the fixed seat, the switch support comprises a switch compartment for mounting the micro switch and a translation channel below the switch compartment, the push rod is movably inserted into the translation channel, and the triggering end of the micro switch is arranged at the bottom and extends into the translation channel.

[0007] The fixed seat is provided with a penetrating groove abutting against the rear side wall of the penetrating hole, an entering channel is formed in the penetrating groove, after the switch support is connected to the fixed seat, the end of the push rod is inserted into the entering channel, the triggering top block penetrates through the penetrating hole and enters the entering channel, and the triggering top block is in abutting cooperation with the push rod in the entering channel.

[0008] The translation channel is composed of a sleeve and a track plate horizontally extending behind the sleeve, the spring is sleeved on the push rod and penetrates into the translation channel from the front of the sleeve, and the end of the spring is in abutting cooperation with the inner wall of the sleeve to realize limiting installation.

[0009] The switch compartment comprises a back plate and a clamping jaw, the clamping jaw is mirror-imaged and arranged on the two sides of the back plate, and a supporting boss is arranged below the clamping jaw.

[0010] The root of the clamping jaw is provided with an abutting table.

[0011] The end of the push rod inserted into the penetrating groove has a width greater than that of the rear rod body.

[0012] The fixed seat is connected to the switch support through a connecting column.

[0013] The fixed seat is provided with a blocking wall between the switch support and the side wall of the inner container.

[0014] The bottom of the interlayer is provided with an air inlet.

[0015] The utility model discloses the beneficial effect is: the utility model discloses the arrangement of the safety switch in the interlayer between the original machine body inner wall and the side of inner container, makes machine body to be able to arrange safety switch without increasing space in height direction, and the safety switch comprises a push rod and a micro switch, and the characteristics of the micro switch can be easily triggered by the translational movement of the push rod, so that even if the switch is not installed in the middle position, the pot body will not be tilted and affected during installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in connection with the drawings and examples.

[0017] Fig. 1 It is the internal structure schematic view of the air fryer of the utility model;

[0018] Fig. 2 It is the partial sectional view of the air fryer of the utility model;

[0019] Fig. 3 is the structural schematic diagram of the frying pot body of the utility model;

[0020] Fig. 4 is the structural schematic diagram of the safety switch of the utility model;

[0021] Fig. 5 is the split schematic diagram of the safety switch of the utility model. DETAILED DESCRIPTION

[0022] Referring to Figs. 1 to 5 The safety switch structure of one air fryer, including the fuselage shell 1, the inner container 2 is arranged in the fuselage shell 1 and the side is provided with the open mouth for the frying pot body 3 inserts the inner container 2, the frying pot body 3 includes the panel 31 and the frying pot 32, after the frying pot 32 of the frying pot body 3 inserts the inner container 2, its panel 31 closes the open mouth, and there is the interlayer 12 between the fuselage shell 1 and the side of the inner container 2.

[0023] The utility model utilizes the original side interlayer 12 to install safety switch 4, and the edge of the open mouth is provided with the through hole 13 that can insert the interlayer 12, and safety switch 4 includes push rod 41 and microswitch 42, and push rod 41 is located behind through hole 13 and can be translatablely active. The side of panel 31 connected frying pot 32 is provided with trigger top block 33, when panel 31 closes the open mouth, trigger top block 33 passes through through hole 13 and enters interlayer 12 and pushes push rod 41 to move to the rear, and push rod 41 that moves to the rear easily lifts the trigger end 422 of microswitch 42 and makes microswitch 42 connect circuit, and trigger top block 33 does not need too much torque in the process of pushing push rod 41, so it will not affect the installation movement of frying pot body 3, so even if the installation switch is not in the middle position, frying pot body 3 will not be tilted when being installed and trigger safety switch 4, and the installation condition is affected.

[0024] As a preferred scheme, safety switch 4 further includes fixed seat 43 and switch bracket 44, fixed seat 43 is fixed in interlayer 12, and other components of safety switch 4 are installed and arranged based on fixed seat 43, switch bracket 44 is connected on fixed seat 43, switch bracket 44 includes switch bin 45 for installing microswitch 42 and translation channel 46 below switch bin 45, push rod 41 is movably connected in translation channel 46, and the trigger end 422 of microswitch 42 is arranged at the bottom and extends into translation channel 46, and push rod 41 that moves in translation channel 46 can easily trigger end 422 during movement, and the force torque is very small.

[0025] The fixed seat 43 is provided with a penetrating groove 47 abutting against the rear side wall surface of the penetrating hole 13, and an entering channel 471 is formed in the penetrating groove 47. After the switch support 44 is mounted and connected with the fixed seat 43, the end portion of the push rod 41 penetrates into the entering channel 471, the trigger top block 33 penetrates into the entering channel 471 through the penetrating hole 13, and abuts and cooperates with the push rod 41 in the entering channel 471 to ensure that the trigger top block 33 can stably push and press the push rod 41 to realize the triggering of the micro switch 42. Further, the end portion of the push rod 41 penetrating into the penetrating groove 47 has a width greater than the rear rod body, and the part with a larger area can more easily cooperate with the trigger top block 33.

[0026] The translation channel 46 is composed of a sleeve 461 and a track plate 462 horizontally extending behind the sleeve 461. The spring 48 is sleeved on the push rod 41 and penetrates into the translation channel 46 from the front of the sleeve 461. The end portion of the spring 48 abuts against the inner wall of the sleeve 461 to realize limiting installation. When the push rod 41 is pushed and pressed backward by the trigger top block 33, the spring 48 is compressed. When the trigger top block 33 leaves the penetrating hole 13, the push rod 41 is elastically reset by the spring 48.

[0027] The switch bin 45 includes a back plate 451 and a clamping jaw 452. The clamping jaw 452 is mirror-imaged and distributed on both sides of the back plate 451. The clamping jaw 452 is provided with a supporting boss 453 below. When the micro switch 42 is installed between the two clamping jaws 452, the end portion of the clamping jaw 452 hooks the front side of the micro switch 42 to realize limiting installation, and the micro switch 42 is seated on the supporting boss 453. Further, the root portion of the clamping jaw 452 is provided with an abutting table 454 abutting against the back side of the micro switch 42, so that there is a gap between the micro switch 42 and the back plate 451, which is beneficial to heat dissipation.

[0028] The fixed seat 43 is mounted and connected with the switch support 44 through a connecting column 431, and the fixed seat 43 is provided with a blocking wall 432 between the switch support 44 and the side wall of the inner container 2. The switch support 44 is lifted by the connecting column 431, and the blocking wall 432 is used to block the heat transmitted from the inner container 2 to reduce the influence of heat on the micro switch 42. As a preferred embodiment, the air inlet is arranged at the bottom of the sandwich layer 12. The heat dissipation airflow generated by the air entering the air inlet will sweep the micro switch 42 to take away the surrounding heat, which also reduces the influence of heat on the micro switch 42.

Claims

1. A safety switch structure of an air fryer, comprising a body shell (1), an inner container (2) is arranged in the body shell (1), and a side portion is provided with an opening for inserting a fryer body (3) into the inner container (2), the fryer body (3) comprises a panel (31) and a fryer (32), after the fryer (32) of the fryer body (3) is inserted into the inner container (2), the panel (31) closes the opening, and there is a sandwich layer (12) between the body shell (1) and the side portion of the inner container (2), characterized in that: The safety switch (4) is installed in the sandwich layer (12), the open mouth edge is provided with a penetrating hole (13) which can be inserted into the sandwich layer (12), the safety switch (4) comprises a push rod (41) and a micro switch (42), the push rod (41) is located behind the penetrating hole (13) and can be translated, the panel (31) is provided with a trigger top block (33) on the side of the frying pot (32), when the panel (31) closes the open mouth, the trigger top block (33) penetrates through the penetrating hole (13) into the sandwich layer (12) and pushes the push rod (41) to move backward, the push rod (41) which moves backward lifts the trigger end (422) of the micro switch (42) to make the micro switch (42) communicate the circuit.

2. The safety switch structure according to claim 1, characterized by: The safety switch (4) further comprises a fixed seat (43) and a switch support (44), the fixed seat (43) is fixed in the sandwich layer (12), the switch support (44) is connected to the fixed seat (43), the switch support (44) comprises a switch warehouse (45) for installing the micro switch (42) and a translation channel (46) located below the switch warehouse (45), the push rod (41) is movably connected in the translation channel (46), and the trigger end (422) of the micro switch (42) is arranged at the bottom and extends into the translation channel (46).

3. The safety switch structure according to claim 2, characterized in that: The fixed seat (43) is provided with a penetrating groove (47) which abuts against the rear side wall surface of the penetrating hole (13), an entering channel (471) is formed in the penetrating groove (47), after the switch support (44) is connected to the fixed seat (43), the end of the push rod (41) penetrates into the entering channel (471), after the trigger top block (33) penetrates through the penetrating hole (13), it enters the entering channel (471) and abuts against the push rod (41) in the entering channel (471).

4. The safety switch structure according to claim 2 or 3, characterized in that: The translation channel (46) is composed of a sleeve (461) and a track plate (462) which extends horizontally behind the sleeve (461), a spring (48) is sleeved on the push rod (41) and penetrates into the translation channel (46) from the front of the sleeve (461), and the end of the spring (48) abuts against the inner wall of the sleeve (461) to realize limiting installation.

5. The safety switch structure according to claim 2 or 3, characterized by: The switch warehouse (45) comprises a back plate (451) and a clamping jaw (452), the clamping jaw (452) is mirror-imaged and distributed on both sides of the back plate (451), and a supporting boss (453) is arranged below the clamping jaw (452).

6. The safety switch structure according to claim 5, characterized in that: The root of the clamping jaw (452) is provided with an abutting table (454).

7. The safety switch structure according to claim 3, characterized by: The end of the push rod (41) which penetrates into the penetrating groove (47) has a width greater than that of the rear rod body.

8. The safety switch structure according to claim 2, characterized by: The fixed seat (43) is connected to the switch support (44) through a connecting column (431).

9. The safety switch structure according to claim 2 or 7, characterized by: The fixed seat (43) is provided with a blocking wall (432) between the switch support (44) and the side wall of the inner container (2).

10. The safety switch structure according to claim 1, characterized by: The bottom of the sandwich layer (12) is provided with an air inlet.