CN218074491U - Cooking exhaust control structure and steaming and baking integrated machine - Google Patents

Abstract

The utility model relates to a culinary art exhaust control structure and evaporate roast all-in-one, including the carousel, telescopic link and micro-gap switch, one side quotation epirelief of carousel is equipped with the pivot, and the transmission slotted hole has been seted up to the first end of telescopic link, under the carousel rotation state, pivot on the carousel can be in transmission slotted hole circumferential direction and drive above-mentioned telescopic link along its flexible direction round trip movement, protruding first trigger lug and the second of being equipped with respectively on the carousel triggers the lug, the carousel rotates the in-process, the first trigger lug is different with the trigger duration of micro-gap switch's cantilever and the second trigger lug, and, under the first state that triggers lug and micro-gap switch's cantilever counterbalance, and the telescopic link is in the state of stretching out, and the second triggers under the state that lug and micro-gap switch's cantilever offsets, and the telescopic link is in the state of returning back. Compared with the prior art, the utility model discloses can judge through micro-gap switch closed duration's difference that the telescopic link is in the state of stretching out or is in the state of returning and contracts.

Description

Cooking exhaust control structure and steaming and baking integrated machine

Technical Field

The utility model relates to a culinary art device field especially relates to a culinary art exhaust control structure and evaporate roast all-in-one.

Background

The steaming and baking integrated machine is cooking combined equipment with the functions of baking and steaming, two exhaust ports are generally formed in the inner container of the steaming and baking integrated machine, one exhaust port is in a normally open state, and the other exhaust port is opened and closed through an exhaust control device, so that the exhaust states of the inner containers in different cooking modes and different stages of cooking are controlled. For example, the Chinese utility model patent with the patent number of ZLCN202120677903.9 (with the publication number of CN 215533583U) is a double-exhaust steaming and baking integrated machine, and the Chinese utility model patent with the patent number of ZL202120678552.3 (with the publication number of CN 215533584U) is a double-exhaust steaming and baking integrated machine.

The existing exhaust control device is generally driven by a telescopic mechanism, for example, a chinese patent invention "an exhaust structure of a steaming and baking all-in-one machine and an exhaust method thereof" with a patent number of ZL201910587121.3 (with an authorization publication number of CN 112167999A). However, the simple telescopic mechanism cannot realize effective control because the current state, the extending state, the retracting state or the complete extending state cannot be judged in the telescopic process, and further the exhaust of the steaming and baking integrated machine cannot be effectively controlled.

In addition, an exhaust channel is arranged on the inner container of the steaming and baking all-in-one machine, an air inlet of the exhaust channel is in fluid communication with an air outlet of the inner container, if the air inlet and the air outlet need to be controlled simultaneously, two exhaust control devices are generally arranged to control respectively in the prior art, however, the internal installation space of the steaming and baking all-in-one machine is limited, the arrangement of the two exhaust control devices can cause the internal space of the steaming and baking all-in-one machine to be narrow, meanwhile, the assembly and production of the steaming and baking all-in-one machine are inconvenient, and the production cost of the steaming and baking all-in-one machine is increased.

Disclosure of Invention

The utility model discloses the first technical problem that will solve is to provide a flexible exhaust control structure for cooking device that flexible state can be judged to prior art.

The utility model discloses the second technical problem that will solve provides a simple structure, judge the flexible exhaust control structure for cooking device that accurate flexible state can be judged to prior art.

The utility model aims to solve the third technical problem that a evaporate roast all-in-one of above-mentioned flexible exhaust control structure is provided to prior art.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: a cooking exhaust control structure is characterized by comprising a rotary disc, a telescopic rod and a microswitch, wherein the rotary disc can rotate by taking the axis of the rotary disc as a center, a rotary shaft which extends along the axial direction of the rotary disc and deviates from the central shaft of the rotary disc is convexly arranged on the disc surface on one side of the rotary disc, a transmission groove hole matched with the radius of the rotary shaft is arranged at the first end of the telescopic rod, the rotary shaft on the rotary disc can rotate in the transmission groove hole in the circumferential direction to drive the telescopic rod to move back and forth along the telescopic direction of the rotary disc in the rotating state of the rotary disc,

the micro switch is arranged at one side of the rotary disc, the end surfaces of the two ends of the rotary disc along the diameter direction of the rotary disc are respectively provided with a first trigger convex block and a second trigger convex block which can respectively abut against the cantilever of the micro switch to trigger the contact of the micro switch,

in the rotating process of the turntable, the trigger duration time of the first trigger bump and the cantilever of the microswitch is different from that of the second trigger bump, the telescopic rod is in an extending state when the first trigger bump abuts against the cantilever of the microswitch, and the telescopic rod is in a retracting state when the second trigger bump abuts against the cantilever of the microswitch.

Further, the inner surface of the cantilever of the micro switch is opposite to the contact of the micro switch, the trigger plane of the first trigger bump is abutted against the outer surface of the cantilever of the micro switch to trigger the contact of the micro switch, and the trigger end point of the second trigger bump is abutted against the outer surface of the cantilever of the micro switch to trigger the micro switch. It can be seen that the first trigger bump triggers the micro switch by surface-to-surface contact with the cantilever of the micro switch, and the second trigger bump triggers the micro switch by point-to-surface contact with the cantilever of the micro switch, so that the trigger duration of the first trigger bump and the cantilever of the micro switch is longer than that of the second trigger bump.

Furthermore, the outer surface of the cantilever of the microswitch is opposite to the turntable, the outer surface of the cantilever extends along the tangential direction of the turntable, the trigger plane of the first trigger bump extends along the diameter direction of the turntable, and the trigger plane can be completely attached to the outer surface of the cantilever. Therefore, the first trigger bump and the second trigger bump can be better contacted with the outer surface of the cantilever to trigger the microswitch, and meanwhile, the trigger duration time of the cantilever of the first trigger bump and the microswitch is better ensured to be longer than that of the second trigger bump.

Furthermore, the outer surfaces of the first trigger bump and the second trigger bump are both smooth. Therefore, each triggering convex block can be better contacted and separated from the outer surface of the cantilever, and the reliability of judging the state of the telescopic rod is ensured.

Further, still include the casing, above-mentioned carousel, telescopic link and micro-gap switch all install in this casing, and set up the flexible mouth that supplies the second end of this telescopic link to stretch out on the end wall of the one end of this casing. Thereby can realize the firm installation of micro-gap switch, telescopic link and carousel to can guarantee that the telescopic link stretches out and the smooth and easy nature of the motion of contracting.

Furthermore, the inner surface of the shell is convexly provided with a positioning column, and the micro switch is provided with a positioning through hole for the positioning column to penetrate through. Thereby facilitating installation of the microswitch into the housing.

Furthermore, the two positioning through holes are respectively arranged on two opposite corners of the microswitch, and correspondingly, the two positioning columns are also in one-to-one correspondence with the two positioning through holes. Therefore, the installation of the microswitch in the shell is further facilitated, the accuracy of the installation position can be ensured, and the reliable triggering of the microswitch by each triggering lug is further ensured.

Furthermore, the transmission slotted hole is a waist-shaped hole extending along the direction perpendicular to the length direction of the telescopic rod, the rotating shaft is positioned in the middle of the transmission slotted hole along the length direction in an initial state, and the telescopic rod has the longest extension length along the telescopic direction in a state that the rotating shaft rotates 180 degrees along the transmission slotted hole. Therefore, the rotating shaft can reliably drive the telescopic rod, the reliability of the extension and retraction response of the telescopic rod is improved, and meanwhile, the first trigger lug can be abutted against the cantilever of the micro switch when the telescopic rod is in an extension state, and the second trigger lug can be abutted against the cantilever of the micro switch when the telescopic rod is in a retraction state.

The rotary disc further comprises a driving motor arranged on the outer side surface of one side of the shell, a shaft hole for the insertion connection of an output shaft of the driving motor is formed in the circle center of the disc surface of the other side of the rotary disc, and an installation opening for the exposure of the shaft hole of the rotary disc is formed in the side wall of the side of the shell. On one hand, the driving motor is stably installed, and on the other hand, the driving motor can smoothly drive the turntable to rotate.

Furthermore, an observation window for exposing the rotating shaft and the transmission slotted hole is formed on the side wall of the other side of the shell. Whether the rotating shaft is in a working state or not is convenient to observe through the observation window, and maintenance and inspection in the production process are convenient.

Furthermore, two sides of the second end of the telescopic rod respectively extend along the direction vertical to the length direction of the telescopic rod to form a plate-shaped guide part, and the inner surface of the shell is provided with a guide rail which is used for embedding the guide part and moves back and forth along the telescopic direction of the telescopic rod. The limit of the telescopic rod in the direction perpendicular to the telescopic direction of the telescopic rod can be realized through the limit guide of the guide rail to the guide part, so that the telescopic rod can stably move in a telescopic way.

Furthermore, a guide through groove which extends along the extension direction of the telescopic rod and is used for being embedded at one side of the telescopic rod is concavely arranged on the inner surface of the shell, and the corresponding side of the telescopic rod can move back and forth in the guide through groove along the extension direction of the telescopic rod. Thereby can lead to the telescopic link for the telescopic link is flexible removal more steadily.

Further, still be fixed with the uide bushing that supplies the first end of telescopic link to wear to establish and the round trip movement in the casing. Like this with above-mentioned guide rail cooperation can carry out spacing and direction simultaneously to the both ends of telescopic link, and then can realize better that the telescopic link is spacing rather than flexible direction looks vertical direction, also enable the telescopic link removal of stretching out and drawing back more steadily simultaneously.

And the telescopic rod further comprises a control valve plate, wherein a mounting sleeve is fixed on the control valve plate, and the mounting sleeve is detachably connected with the first end of the telescopic rod. The opening and closing control of the exhaust port of the cooking device can be realized by controlling the action of the valve plate under the driving of the telescopic rod, and the mounting and dismounting of the valve plate and the exhaust port are facilitated through the mounting sleeve.

Furthermore, the control valve plate comprises a first valve plate and a second valve plate which are oppositely arranged along the length direction of the telescopic rod at intervals and are parallel to each other, the first valve plate and the second valve plate are circular plates, wherein the mounting sleeve extending along the central axis direction of the first valve plate is fixed on one side surface of the first valve plate, and the surface of the other side of the first control valve plate is opposite to the second control valve plate and is connected with the second control valve plate through a connecting column. Therefore, the opening and closing control of the air exhaust port of the inner container and the air inlet of which the air exhaust channel is in fluid communication with the air exhaust port can be simultaneously realized through the first valve plate and the second valve plate respectively, so that the air exhaust of the cooking device can be better controlled.

The technical solution adopted to further solve the third technical problem is as follows: the steaming and baking integrated machine is characterized by having the cooking exhaust control structure.

Compared with the prior art, the utility model has the advantages of: when the rotary table rotates, the rotating shaft on the rotary table rotates along the circumferential direction of the transmission groove hole, so that the telescopic rod moves back and forth along the telescopic direction of the telescopic rod. When the turntable rotates, the first trigger lug and the second trigger lug on the turntable rotate along with the turntable, the telescopic rod is in an extending state when the first trigger lug abuts against the cantilever of the microswitch, the telescopic rod is in a retracting state when the second trigger lug abuts against the cantilever of the microswitch, the trigger duration of the first trigger lug and the cantilever of the microswitch is different from that of the second trigger lug, and therefore whether the telescopic rod is in the extending state or the retracting state can be judged through the difference of the closing duration of the microswitch.

Drawings

Fig. 1 is a schematic structural view of a cooking exhaust control structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a cross-sectional view of a cooking exhaust control structure in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of another orientation of a cooking exhaust control structure in an embodiment of the present invention;

FIG. 5 is a partial exploded view of a cooking exhaust control structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 in another direction;

FIG. 7 is a partial exploded view of a portion of a cooking exhaust control structure according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 in another direction;

fig. 9 is a schematic view of a part of a cooking exhaust control structure according to an embodiment of the present invention;

FIG. 10 is a schematic view of the structure of FIG. 9 in another direction;

FIG. 11 is an exploded view of another portion of a cooking exhaust control structure according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a turntable according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

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 orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered limiting, as "upper", "lower", and the like are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

A steaming and baking integrated machine comprises an inner container (not shown) and an upper mounting plate (not shown) horizontally arranged above the inner container, wherein an air guide cover (not shown) is arranged on the upper mounting plate in a covering mode, an air exhaust channel is formed by the air guide cover and the upper surface of the upper mounting plate in a surrounding mode, and an air inlet of the air exhaust channel is formed in the upper mounting plate and is arranged opposite to an air outlet of the inner container up and down. An upper mounting gap and a lower mounting gap are reserved between the top surface of the inner container and the lower surface of the upper mounting plate, and a telescopic exhaust control structure is arranged in the gap.

Further, as shown in fig. 1 to 12, the telescopic exhaust control structure includes a rotary plate 4 rotatable about its own axis, a telescopic rod 2, and a microswitch 3. In this embodiment, the turntable 4 and the telescopic rod 2 are vertically disposed, wherein a rotating shaft 41 extending along an axial direction of the turntable 4 and deviating from a central axis of the turntable 4 is convexly disposed on a side plate surface of the turntable 4, and a transmission slot 20 matching with a radius of the rotating shaft 41 is disposed on an upper end of the telescopic rod 2. When the rotating disc 4 is rotated, the rotating shaft 41 of the rotating disc 4 can rotate around the transmission slot hole 20 to drive the telescopic rod 2 to move back and forth along the telescopic direction. The micro switch 3 is disposed on one side of the rotary plate 4, and the end surfaces of the two ends of the rotary plate 4 in the diameter direction are respectively provided with a first trigger projection 43 and a second trigger projection 44 which can respectively abut against the cantilever 32 of the micro switch 3 to trigger the contact 31 of the micro switch 3. In the rotating process of the turntable 4, the triggering duration of the first triggering protrusion 43 and the cantilever 32 of the micro switch 3 is different from that of the second triggering protrusion 44, and the telescopic rod 2 is in the extended state in the state that the first triggering protrusion 43 abuts against the cantilever 32 of the micro switch 3, and the telescopic rod 2 is in the retracted state in the state that the second triggering protrusion 44 abuts against the cantilever 32 of the micro switch 3.

The utility model discloses in, when carousel 4 rotated, 20 circumferential direction along the transmission slotted hole were followed to the last pivot 41 of carousel 4 to make telescopic link 2 along its flexible direction round trip movement. When the rotating disc 4 rotates, the first trigger protrusion 43 and the second trigger protrusion 44 on the rotating disc 4 rotate along with the rotating disc, and when the first trigger protrusion 43 abuts against the cantilever 32 of the micro switch 3, the telescopic rod 2 is in an extended state, and when the second trigger protrusion 44 abuts against the cantilever 32 of the micro switch 3, the telescopic rod 2 is in a retracted state, and the trigger duration of the first trigger protrusion 43 and the cantilever 32 of the micro switch 3 is different from that of the second trigger protrusion 44, so that whether the telescopic rod 2 is in the extended state or in the retracted state can be determined according to the difference of the closing time of the micro switch 3.

Preferably, the inner surface of the arm 32 of the micro switch 3 faces the contact 31 of the micro switch 3, the trigger flat 431 of the first trigger protrusion 43 abuts against the outer surface of the arm 32 of the micro switch 3 to trigger the contact 31 of the micro switch 3, and the trigger end point 45 of the second trigger protrusion 44 abuts against the outer surface of the arm 32 of the micro switch 3 to trigger the micro switch 3. It can be seen that the first trigger protrusion 43 triggers the micro switch 3 by surface-to-surface contact with the cantilever 32 of the micro switch 3, and the second trigger protrusion 44 triggers the micro switch 3 by point-to-surface contact with the cantilever 32 of the micro switch 3, so that the trigger duration of the first trigger protrusion 43 and the cantilever 32 of the micro switch 3 is longer than the trigger duration of the second trigger protrusion 44. In this embodiment, the micro switch 3 is disposed obliquely relative to the telescopic rod 2, that is, the outer surface of the cantilever 32 of the micro switch 3 has a certain included angle relative to the vertical direction, so as to facilitate the contact and separation between the outer surface of the cantilever 32 and the first trigger protrusion 43.

Further, still include casing 1, above-mentioned carousel 4, telescopic link 2 and micro-gap switch 3 are all installed in this casing 1, and set up the flexible mouthful 11 that supplies the lower extreme of this telescopic link 2 to stretch out on the end wall of the one end of this casing 1 to can realize micro-gap switch 3, telescopic link 2 and carousel 4's firm installation, and can guarantee that telescopic link 2 stretches out and the smooth and easy nature of the back motion that contracts. In this embodiment, the housing 1 is shaped like a vertically-arranged box, and is formed by engaging a box body 1a having an opening on one side thereof with a cover body 1b that can be closed over the opening of the box body 1 a. In order to facilitate the installation of the micro switch 3 in the housing 1, the inner surface of the housing 1 is convexly provided with a positioning column 12, and the micro switch 3 is provided with a positioning through hole 34 through which the positioning column 12 passes. Preferably, the two positioning through holes 34 are respectively formed in two opposite corners of the micro switch 3, and correspondingly, the two positioning columns 12 are respectively in one-to-one correspondence with the two positioning through holes 34, so that the micro switch 3 can be further conveniently mounted in the housing 1, the accuracy of the mounting position can be ensured, and the micro switch 3 can be reliably triggered by each triggering protrusion. Still further, still include the driving motor 5 installed on the lateral surface of one side of above-mentioned casing 1, the centre of a circle department of the other side quotation of above-mentioned carousel 4 offers the shaft hole 42 that supplies the output shaft 51 of this driving motor 5 to insert even, and offer the installing port 15 that supplies the shaft hole 42 of above-mentioned carousel 4 to expose on this side lateral wall of above-mentioned casing 1. On one hand, the driving motor 5 is firmly installed, and on the other hand, the driving motor 5 can smoothly drive the turntable 4 to rotate. Meanwhile, an observation window 16 for exposing the rotating shaft 41 and the transmission slot hole 20 is formed on the side wall of the other side of the housing 1. The observation window 16 is convenient for observing whether the rotating shaft 41 is in a working state, and is convenient for maintenance and inspection in the production process.

In this embodiment, the driving slot 20 is a waist-shaped hole extending along a direction perpendicular to the length direction of the retractable rod 2, in an initial state, the rotating shaft 41 is located at a middle portion of the driving slot 20 along the length direction, and in a state where the rotating shaft 41 rotates 180 degrees along the driving slot 20, the extension length of the retractable rod 2 along the retractable direction is longest. Therefore, the rotating shaft 41 can reliably drive the telescopic rod 2, the reliability of the extending and retracting response of the telescopic rod 2 is improved, and meanwhile, the first triggering convex block 43 is abutted against the cantilever 32 of the micro switch 3 when the telescopic rod 2 is in the extending state, and the second triggering convex block 44 is abutted against the cantilever 32 of the micro switch 3 when the telescopic rod 2 is in the retracting state.

Further, both sides of the second end of the extendable rod 2 extend in a direction perpendicular to the longitudinal direction thereof to form plate-shaped guide portions 21, and the inner surface of the housing 1 is provided with a guide rail 13 in which the guide portions 21 are fitted and which moves back and forth in the extending and retracting direction of the extendable rod 2. The limit of the telescopic rod 2 in the direction perpendicular to the telescopic direction of the telescopic rod can be realized by the limit guide of the guide rail 13 to the guide part 21, so that the telescopic rod 2 can stably move in a telescopic way. Specifically, in the present embodiment, the inner surface of the housing 1 is recessed outward to form a groove 131, and both side edges of the groove 131 extend inward to form the guide rail 13. Further, the groove wall of the groove 131 is recessed outward to form a guide through groove 1311 extending vertically and allowing one side of the telescopic rod to be inserted, and the corresponding side of the telescopic rod 2 can move back and forth in the guide through groove 1311 along the extending direction of the telescopic rod, so that the telescopic rod 2 can be guided, and the telescopic rod 2 can move telescopically more stably. In addition, a guide sleeve 14 is fixed in the housing 1 for the lower end of the telescopic rod 2 to pass through and move back and forth. Like this with above-mentioned guide rail 13 combined action can carry out spacing and direction simultaneously to the both ends of telescopic link 2, and then can realize better that telescopic link 2 is spacing rather than flexible direction looks vertical direction, also enables telescopic link 2 simultaneously and moves telescopically more steadily.

A control valve plate 6 is arranged below the housing 1, and a mounting sleeve 63 is fixed on the control valve plate 6 and detachably connected with the lower end of the telescopic rod 2. The opening and closing control of the exhaust port of the cooking device can be realized by controlling the action of the valve plate 6 driven by the telescopic rod 2, and the mounting and dismounting of the valve plate and the exhaust port are facilitated through the mounting sleeve 63. Preferably, the control valve plate 6 comprises a first valve plate 61 and a second valve plate 62 which are arranged oppositely at a vertical interval and respectively extend horizontally, the first valve plate 61 and the second valve plate 62 are both circular plates, wherein the second valve plate 62 is used for shielding the exhaust port of the liner, and the first valve plate 61 is used for shielding the intake port of the exhaust channel on the upper mounting plate. The above-mentioned mounting sleeve 63 extending in the direction of the central axis thereof is fixed to one side surface of the first valve plate 61, and the other side surface of the first control valve plate 6 is opposed to the second control valve plate 6 and connected through a connecting post 64. Thus, the opening and closing of the exhaust port of the inner container and the air inlet of which the exhaust passage is in fluid communication with the exhaust port can be simultaneously controlled by the first valve plate 61 and the second valve plate 62, respectively, so that the exhaust of the cooking device can be better controlled. Specifically, the middle part of the lower end of the telescopic rod 2 is provided with a notch 22 which is necking from bottom to top, and two sides of the notch 22 can be pressed inwards and have the tendency of bouncing outwards. The two sides of the lower end of the telescopic rod 20 are respectively provided with a stop block 23 in a protruding manner, the lower portion of each stop block 23 is respectively provided with a guide groove 24 in a recessed manner along the circumferential direction, the inner circumferential surface of the upper end of the mounting sleeve 63 is recessed along the circumferential direction to form a stop ring wall 631 at the upper end of the inner circumferential surface of the mounting sleeve 63, and the two sides of the upper end of the inner circumferential surface of the stop ring wall 631 are respectively recessed radially outwards to form a stop groove 6311 which is in one-to-one correspondence with the stop blocks 23 and into which the corresponding stop blocks 23 are inserted. When the lower end of the telescopic rod 2 is inserted into the mounting sleeve 63, the two sides of the lower end of the telescopic rod 20 are pressed inward from the two sides, and then inserted into the mounting sleeve 63, the two sides of the lower end rebound, so that the stop ring walls 631 are respectively clamped into the guide grooves 24 on the two sides, and the stop blocks 23 are respectively clamped into the corresponding stop grooves 6311, thereby completing the detachable connection of the telescopic rod 2 and the mounting sleeve 63. Preferably, the first valve plate 61 and the second valve plate 62 are respectively wrapped with the packing 65, so that the first valve plate 61 can better shield the exhaust port, and the second valve plate 62 can better shield the intake port.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (16)

1. A cooking exhaust control structure is characterized by comprising a rotary disc (4) capable of rotating by taking the axis of the rotary disc as the center, a telescopic rod (2) and a microswitch (3), wherein a rotary shaft (41) extending along the axial direction of the rotary disc and deviating from the central shaft of the rotary disc (4) is convexly arranged on the disc surface on one side of the rotary disc (4), a transmission slotted hole (20) matched with the radius of the rotary shaft (41) is formed in the first end of the telescopic rod (2), and the rotary shaft (41) on the rotary disc (4) can rotate in the circumferential direction in the transmission slotted hole (20) to drive the telescopic rod (2) to move back and forth along the telescopic direction of the rotary disc (4) under the rotating state,

the micro switch (3) is arranged at one side of the turntable (4), the end surfaces of two ends of the turntable (4) along the diameter direction are respectively provided with a first trigger convex block (43) and a second trigger convex block (44) which can respectively abut against a cantilever (32) of the micro switch (3) to trigger a contact (31) of the micro switch (3) from the beginning in a protruding way,

in the rotating process of the turntable (4), the trigger duration of the first trigger bump (43) and the cantilever (32) of the microswitch (3) is different from that of the second trigger bump (44), and the telescopic rod (2) is in the extending state under the state that the first trigger bump (43) abuts against the cantilever (32) of the microswitch (3), and the telescopic rod (2) is in the retracting state under the state that the second trigger bump (44) abuts against the cantilever (32) of the microswitch (3).

2. The exhaust cooking gas control structure according to claim 1, wherein the inner surface of the cantilever (32) of the micro switch (3) is opposite to the contact (31) of the micro switch (3), the trigger plane (431) of the first trigger protrusion (43) abuts against the outer surface of the cantilever (32) of the micro switch (3) to trigger the contact (31) of the micro switch (3), and the trigger end point (45) of the second trigger protrusion (44) abuts against the outer surface of the cantilever (32) of the micro switch (3) to trigger the micro switch (3).

3. The exhaust control structure according to claim 2, wherein the outer surface of the cantilever (32) of the micro switch (3) is disposed opposite to the turntable (4), and the outer surface of the cantilever (32) extends in a tangential direction of the turntable (4), and the trigger plane (431) of the first trigger protrusion (43) extends in a diameter direction of the turntable (4), and the trigger plane (431) can completely abut on the outer surface of the cantilever (32).

4. The cooking exhaust gas control structure according to any one of claims 1 to 3, wherein the outer surfaces of the first and second trigger protrusions (43, 44) are rounded.

5. The exhaust control structure according to any one of claims 1 to 3, further comprising a housing (1), wherein the turntable (4), the retractable rod (2) and the micro switch (3) are all mounted in the housing (1), and the end wall of one end of the housing (1) is provided with a retractable opening (11) for extending the second end of the retractable rod (2).

6. The exhaust control structure according to claim 5, wherein the inner surface of the housing (1) is provided with a positioning post (12) in a protruding manner, and the micro switch (3) is provided with a positioning through hole (34) for the positioning post (12) to pass through.

7. The exhaust control structure according to claim 6, wherein the positioning holes (34) are two and are respectively opened at two opposite corners of the micro switch (3), and correspondingly, the positioning posts (12) are also two and are in one-to-one correspondence with the positioning holes (34).

8. The exhaust control structure according to claim 5, wherein the driving slot (20) is a kidney-shaped hole extending in a direction perpendicular to the length direction of the retractable bar (2), and in an initial state, the rotating shaft (41) is located at a middle portion of the driving slot (20) in the length direction thereof, and in a state where the rotating shaft (41) is rotated 180 ° along the driving slot (20), the extension length of the retractable bar (2) in the retracting direction thereof is longest.

9. The exhaust control structure according to claim 8, further comprising a driving motor (5) mounted on an outer side surface of one side of the casing (1), wherein a center of the other side of the turntable (4) is provided with a shaft hole (42) for an output shaft (51) of the driving motor (5) to be inserted, and a side wall of the one side of the casing (1) is provided with a mounting hole (15) for the shaft hole (42) of the turntable (4) to be exposed.

10. The exhaust control structure according to claim 9, wherein the other side wall of the casing (1) is provided with an observation window (16) for exposing the rotary shaft (41) and the transmission slot hole (20).

11. The exhaust control structure according to claim 5, wherein both sides of the second end of the telescopic rod (2) extend in a direction perpendicular to the length direction thereof to form plate-shaped guide portions (21), and the inner surface of the housing (1) is provided with guide rails (13) in which the guide portions (21) are fitted and which move back and forth in the telescopic direction of the telescopic rod (2).

12. The exhaust control structure according to claim 11, wherein the housing (1) has a guide groove (1311) recessed in an inner surface thereof, extending in the expansion and contraction direction of the expansion rod (2), and into which one side of the expansion rod (2) is fitted, and the corresponding side of the expansion rod (2) is movable back and forth in the guide groove (1311) in the expansion and contraction direction thereof.

13. The cooking exhaust gas control structure according to claim 12, wherein a guide sleeve (14) through which the first end of the telescopic rod (2) passes and moves back and forth is further fixed in the housing (1).

14. Cooking exhaust gas control arrangement according to any one of claims 1 to 3, further comprising a control valve plate (6), the control valve plate (6) having a mounting sleeve (63) fixed thereto, the mounting sleeve (63) being removably connected to the first end of the telescopic rod (2).

15. The cooking exhaust gas control structure according to claim 14, wherein the control valve plate (6) comprises a first valve plate (61) and a second valve plate (62) which are arranged opposite to each other at a distance along the length direction of the telescopic rod (2) and are parallel to each other, the first valve plate (61) and the second valve plate (62) are both circular plates, wherein the mounting sleeve (63) extending in the direction of the central axis thereof is fixed to one side surface of the first valve plate (61), and the other side surface of the first control valve plate (6) is opposite to the second control valve plate (6) and is connected thereto through a connecting post (64).

16. An all-in-one machine for steaming and baking, characterized in that, the cooking exhaust control structure of any one of claims 1 to 15 is provided.

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