阅读说明：本技术 一种家用炉灶自动关火警报装置 (Automatic fire-off alarm device for household stove ) 是由 胡菲 于 2020-04-27 设计创作，主要内容包括：本发明公开了一种家用炉灶自动关火警报装置,包括工作箱以及固定连接于工作箱上端面的吸盘,吸盘左右对称设置,吸盘能将本发明吸附在炉灶上,工作箱前端面固设有能够检测到工作箱前侧是否有人的红外感应器,本发明的红外感应器检测到家用炉灶前侧长时间没人时,本发明的提示装置会将本发明的振动板置于工作腔内,本发明的敲击装置会不断敲击振动板从而使振动板振动发出声音,提示在房间内的人员炉灶正在工作,本发明的拨动杆会将炉灶上的开关拨动至关闭状态,避免使用人员不在房间内导致炉灶上的厨具干烧发生爆炸或者引发火灾,本发明便携可拆卸,适用范围广,性价比较高。(The invention discloses an automatic fire-off alarm device for a household stove, which comprises a working box and suckers fixedly connected to the upper end surface of the working box, wherein the suckers are arranged in bilateral symmetry, the suckers can adsorb the alarm device on the stove, an infrared sensor capable of detecting whether a person exists at the front side of the working box is fixedly arranged on the front end surface of the working box, when the infrared sensor detects that the person does not exist at the front side of the household stove for a long time, a vibrating plate of the invention can be placed in a working cavity by a prompting device of the invention, the vibrating plate can be continuously knocked by a knocking device of the invention so as to vibrate and make a sound, the stove working of the person in a room is prompted, a toggle rod of the invention can toggle a switch on the stove to a closed state, the phenomenon that the user does not exist in the room to cause dry burning of kitchenware on the stove to explode, the cost performance is high.)

1. The utility model provides an automatic alarm device that shuts off fire of domestic kitchen range, include work box and fixed connection in the sucking disc of work box up end, the sucking disc bilateral symmetry sets up its characterized in that: the infrared sensor capable of detecting whether a person is in the front side of the working box is fixedly arranged on the front end face of the working box, a power cavity with a part opened towards the right is arranged in the working box, a horizontal rack is slidably arranged on the inner wall of the upper side of the power cavity, the left end face of the horizontal rack is connected with the left cavity wall of the power cavity through an extension spring, a poke rod positioned on the right side of the working box is fixedly arranged on the right end face of the horizontal rack, a stove switch opened by rotating for a certain angle can be closed by the poke rod, a working cavity positioned on the left side of the power cavity is arranged in the working box, a prompting device capable of giving out sound to prompt personnel in a room is arranged in the working cavity, the prompting device comprises a fixed block fixedly connected to the inner wall of the upper side of the working cavity, and a, be equipped with in the fixed block be located both sides about the circular cavity and with the smooth chamber of circular cavity intercommunication, it is equipped with the slider to slide in the smooth chamber, slider left end face with smooth chamber left side chamber wall passes through compression spring and connects, sliding connection has set firmly on the relative terminal surface of slider in the sound insulation piece of circular cavity, be equipped with the chamber that gives sound insulation of right open-ended in the sound insulation piece, the articulated vibration board that is equipped with on work chamber right side inner wall is located the intracavity that gives sound insulation, the work chamber with the power intracavity is equipped with and makes the vibration of vibration board sends the knocking device of prompt sound.

2. An automatic fire-off alarm device for a domestic range as claimed in claim 1, wherein: the knocking device comprises a connecting rotating shaft which is rotatably connected to the inner wall of the right side of the working cavity, a rotating belt wheel is fixedly arranged on the connecting rotating shaft, a connecting bevel gear which is positioned on the left side of the rotating belt wheel is fixedly arranged on the connecting rotating shaft, a linkage rotating shaft which is positioned on the upper side of the connecting rotating shaft is rotatably arranged in the working box, the linkage rotating shaft extends leftwards into the working cavity, a linkage belt wheel which is positioned in the working cavity is fixedly arranged on the linkage rotating shaft, the linkage belt wheel is connected with the rotating belt wheel through a linkage belt in a transmission manner, a rotating block which is positioned on the left side of the linkage belt wheel is fixedly arranged on the linkage rotating shaft, a knocking sliding cavity with an upward opening is arranged in the rotating block, the knocking sliding cavities are vertically and symmetrically arranged, a sliding knocking block is arranged in the knocking sliding cavity, and the, the sliding knocking block can knock the vibrating plate to enable the vibrating plate to vibrate to send out prompt sounds, the linkage rotating shaft extends rightwards into the power cavity, and a linkage bevel gear located in the power cavity is fixedly arranged on the linkage rotating shaft.

3. An automatic fire-off alarm device for a domestic range as claimed in claim 1, wherein: the power cavity front and back cavity wall rotates and is equipped with and is located the rotation pivot on linkage bevel gear right side, rotate the pivot set firmly with linkage bevel gear meshing's rotation bevel gear, the cavity wall rotates around the power cavity and is equipped with and is located the cooperation pivot of rotation pivot upper right side, the cooperation pivot with it is connected through cooperation belt pulley transmission to rotate the pivot, the cooperation belt pulley is located rotate bevel gear rear side, set firmly in the cooperation pivot be located horizontal rack downside and with horizontal rack meshing's cooperation gear, the cooperation gear is located cooperation belt pulley front side.

4. An automatic fire-off alarm device for a domestic range as claimed in claim 2, wherein: the inner wall of the lower side of the working cavity is rotationally provided with a power rotating shaft positioned on the left side of the connecting bevel gear, the power rotating shaft is connected with a sliding bevel gear through a key, a T-shaped ring cavity with an upward opening is arranged in the sliding bevel gear, a driven rotating shaft positioned on the left side of the connecting rotating shaft is rotatably arranged on the left cavity wall of the working cavity, a driven belt wheel is fixedly arranged on the driven rotating shaft, a matched bevel gear positioned on the right side of the driven belt wheel is fixedly arranged on the driven rotating shaft, the matching bevel gear and the connecting bevel gear are symmetrically arranged along the axis of the power rotating shaft, a motor positioned on the left side of the working cavity is fixedly arranged in the working box, a motor shaft positioned in the working cavity is rotationally arranged on the right end surface of the motor, a driving belt wheel is fixedly arranged on the motor shaft, the driving belt wheel is in transmission connection with the driven belt wheel through a driven belt, and a motor gear located on the right side of the driving belt wheel is fixedly arranged on the motor shaft.

5. An automatic fire-off alarm device for a domestic range as claimed in claim 4, wherein: the working chamber rear side inner wall slides and is equipped with and is located motor gear rear side and with motor gear engagement's vertical rack, vertical rack up end with working chamber upside inner wall passes through extension spring and connects, vertical rack up end with the slider left end face passes through the stay cord and connects the terminal surface has set firmly the slip push pedal under the vertical rack, the terminal surface sets firmly downwardly extending under the slip push pedal T type slide bar in the T type annular cavity, T type slide bar bilateral symmetry sets up.

Technical Field

The invention relates to the technical field of mechanical vibration, in particular to an automatic fire-off alarm device for a household stove.

Background

The present invention relates to a household cooking range, and more particularly, to a household cooking range for direct-fired heating using liquefied petroleum gas, artificial gas, natural gas, and other gaseous fuels, which can greatly facilitate the life of people, and can be used in a short time to achieve the greatest convenience in life, but when the household cooking range is used, a user forgets to close the cooking range and goes out of the range, the cooking range can work all the time, and when an appliance on the cooking range explodes or fires due to long-term dry combustion, a large-scale safety accident is easily caused, and a large economic loss and a safety hazard are caused to the user and surrounding residents.

Disclosure of Invention

The invention aims to provide an automatic fire-off alarm device for a household stove, which overcomes the problems.

The invention is realized by the following technical scheme.

An automatic fire-off warning device for a household stove comprises a working box and suckers fixedly connected to the upper end surface of the working box, wherein the suckers are arranged in bilateral symmetry, the suckers can adsorb the automatic fire-off warning device on the stove, an infrared sensor capable of detecting whether a person exists at the front side of the working box is fixedly arranged on the front end surface of the working box, a power cavity with a part opened towards the right is arranged in the working box, a horizontal rack is arranged on the inner wall of the upper side of the power cavity in a sliding manner, the left end surface of the horizontal rack is connected with the left cavity wall of the power cavity through an extension spring, a poking rod positioned on the right side of the working box is fixedly arranged on the right end surface of the horizontal rack, the poking rod can close a stove switch opened by rotating a certain angle, a working cavity positioned on the left side of the power cavity is arranged in, the suggestion device include fixed connection in the fixed block of working chamber upside inner wall, be equipped with the circular chamber that link up about the fixed block, be equipped with in the fixed block be located both sides about the circular chamber and with the smooth chamber of circular chamber intercommunication, it is equipped with the slider to slide in the smooth chamber, slider left end face with smooth chamber left side chamber wall passes through compression spring and connects, sliding connection has set firmly on the relative terminal surface of slider in the sound proof block of circular intracavity, be equipped with the chamber that gives sound insulation of open-ended right in the sound proof block, the articulated being equipped with of working chamber right side inner wall is located the vibration board of the intracavity that gives sound insulation, the working chamber with the power intracavity is equipped with and enables the vibration board vibrates the knocking device who sends the prompt.

Further, the knocking device comprises a connecting rotating shaft which is rotatably connected to the inner wall of the right side of the working cavity, a rotating belt wheel is fixedly arranged on the connecting rotating shaft, a connecting bevel gear which is positioned on the left side of the rotating belt wheel is fixedly arranged on the connecting rotating shaft, a linkage rotating shaft which is positioned on the upper side of the connecting rotating shaft is rotatably arranged in the working box, the linkage rotating shaft extends leftwards into the working cavity, a linkage belt wheel which is positioned in the working cavity is fixedly arranged on the linkage rotating shaft, the linkage belt wheel is in transmission connection with the rotating belt wheel through a linkage belt, a rotating block which is positioned on the left side of the linkage belt wheel is fixedly arranged on the linkage rotating shaft, a knocking sliding cavity with an upward opening is arranged in the rotating block, the knocking sliding cavities are symmetrically arranged up and down, a sliding knocking block is arranged in the knocking sliding cavity, and the sliding knocking block is, the sliding knocking block can knock the vibrating plate to enable the vibrating plate to vibrate to send out prompt sounds, the linkage rotating shaft extends rightwards into the power cavity, and a linkage bevel gear located in the power cavity is fixedly arranged on the linkage rotating shaft.

Further, the cavity wall rotates around the power chamber and is equipped with and is located the rotation pivot on linkage bevel gear right side, rotate the pivot set firmly with linkage bevel gear meshed rotates bevel gear, the cavity wall rotates around the power chamber and is equipped with and is located the cooperation pivot of the upper right side of rotation pivot, the cooperation pivot with it is connected through cooperation belt pulley transmission to rotate the pivot, the cooperation belt pulley is located rotate bevel gear rear side, set firmly in the cooperation pivot be located horizontal rack downside and with horizontal rack meshed's cooperation gear, the cooperation gear is located cooperation belt pulley front side.

Furthermore, a power rotating shaft positioned on the left side of the connecting bevel gear is rotatably arranged on the inner wall of the lower side of the working cavity, the power rotating shaft is connected with a sliding bevel gear by a key, a T-shaped ring cavity with an upward opening is arranged in the sliding bevel gear, the left cavity wall of the working cavity is rotatably provided with a driven rotating shaft positioned on the left side of the connecting rotating shaft, a driven belt wheel is fixedly arranged on the driven rotating shaft, the driven rotating shaft is fixedly provided with a matching bevel gear positioned on the right side of the driven belt wheel, the matching bevel gear and the connecting bevel gear are symmetrically arranged along the axis of the power rotating shaft, a motor positioned at the left side of the working cavity is fixedly arranged in the working box, a motor shaft positioned in the working cavity is rotationally arranged at the right end surface of the motor, the motor shaft is fixedly provided with a driving belt wheel, the driving belt wheel is in transmission connection with the driven belt wheel through a driven belt, and a motor gear positioned on the right side of the driving belt wheel is fixedly arranged on the motor shaft.

Further, the sliding of working chamber rear side inner wall is equipped with and is located motor gear rear side and with motor gear engagement's vertical rack, vertical rack up end with working chamber upside inner wall passes through extension spring and connects, vertical rack up end with the slider left end face passes through the stay cord and connects the terminal surface has set firmly the slip push pedal under the vertical rack, the terminal surface sets firmly downwardly extending to under the slip push pedal T type slide bar in the T type annular cavity, T type slide bar bilateral symmetry sets up.

The invention has the beneficial effects that: the invention relates to an automatic fire-off alarm device of a household stove, which is characterized in that when the household stove is used, an infrared sensor detects that the front side of the household stove is empty for a long time, a vibrating plate of the invention is arranged in a working cavity, a knocking device of the invention can knock the vibrating plate continuously, so that the vibrating plate vibrates to generate sound, and the working of the household stove in a room is prompted, a poking rod of the invention can poke a switch on the stove to a closed state, so that the phenomenon that a kitchen ware on the stove is burnt dry to explode or cause fire due to the fact that a user is not in the room is avoided.

Drawings

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

FIG. 1 is a schematic view showing the overall construction of an automatic fire-off alarm device for a domestic range according to the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1;

fig. 4 is a schematic structural diagram at C in fig. 1.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in fig. 1-4, an automatic fire-off alarm device for a household stove comprises a work box 10 and suckers 20 fixedly connected to the upper end surface of the work box 10, wherein the suckers 20 are arranged in a bilateral symmetry manner, the suckers 20 can adsorb the device on the stove, an infrared sensor 31 capable of detecting whether a person is in the front of the work box 10 is fixedly arranged on the front end surface of the work box 10, a power cavity 57 with a part opened to the right is arranged in the work box 10, a horizontal rack 23 is slidably arranged on the inner wall of the upper side of the power cavity 57, the left end surface of the horizontal rack 23 is connected with the left cavity wall of the power cavity 57 through an extension spring 22, a poking rod 24 positioned on the right side of the work box 10 is fixedly arranged on the right end surface of the horizontal rack 23, the poking rod 24 can close a stove switch opened by rotating for a certain angle, a work cavity 44 positioned, a prompting device 901 capable of giving out voice to prompt people in a room is arranged in the working cavity 44, the prompting device 901 comprises a fixed block 21 fixedly connected with the inner wall of the upper side of the working cavity 44, a round cavity 50 which is through from left to right is arranged in the fixed block 21, a sliding cavity 51 which is positioned at the upper side and the lower side of the round cavity 50 and is communicated with the round cavity 50 is arranged in the fixed block 21, a slide block 53 is arranged in the slide cavity 51 in a sliding way, the left end surface of the slide block 53 is connected with the left cavity wall of the slide cavity 51 through a compression spring 52, the opposite end surface of the sliding block 53 is fixedly provided with a sound insulation block 55 which is connected in a sliding way in the circular cavity 50, a sound insulation cavity 56 which is opened rightwards is arranged in the sound insulation block 55, a vibration plate 54 which is positioned in the sound insulation cavity 56 is hinged on the inner wall of the right side of the working cavity 44, a knocking device 902 capable of vibrating the vibration plate 54 to generate a warning sound is provided in the working chamber 44 and the power chamber 57.

Beneficially, the knocking device 902 includes a connecting rotation shaft 36 rotatably connected to the right inner wall of the working chamber 44, a rotation pulley 34 is fixedly arranged on the connecting rotation shaft 36, a connecting bevel gear 37 positioned at the left side of the rotation pulley 34 is fixedly arranged on the connecting rotation shaft 36, a linkage rotation shaft 46 positioned at the upper side of the connecting rotation shaft 36 is rotatably arranged in the working chamber 10, the linkage rotation shaft 46 extends leftwards into the working chamber 44, a linkage pulley 32 positioned in the working chamber 44 is fixedly arranged on the linkage rotation shaft 46, the linkage pulley 32 is in transmission connection with the rotation pulley 34 through a linkage belt 33, a rotation block 45 positioned at the left side of the linkage pulley 32 is fixedly arranged on the linkage rotation shaft 46, a knocking slide chamber 48 with an upward opening is arranged in the rotation block 45, the knocking slide chambers 48 are vertically and symmetrically arranged, a sliding knocking block 49 is slidably arranged in the knocking slide chamber 48, the sliding knocking block 49 is connected with the knocking sliding cavity 48 through a return spring 47, the sliding knocking block 49 can knock the vibrating plate 54 so as to enable the vibrating plate 54 to vibrate to give out prompt sounds, the linkage rotating shaft 46 extends rightwards into the power cavity 57, and the linkage bevel gear 29 positioned in the power cavity 57 is fixedly arranged on the linkage rotating shaft 46.

Beneficially, the cavity walls of the front and rear of the power cavity 57 are rotatably provided with a rotating shaft 30 located on the right side of the linkage bevel gear 29, the rotating shaft 30 is fixedly provided with a rotating bevel gear 28 engaged with the linkage bevel gear 29, the cavity walls of the front and rear of the power cavity 57 are rotatably provided with a matching shaft 25 located on the upper right side of the rotating shaft 30, the matching shaft 25 is in transmission connection with the rotating shaft 30 through a matching belt pulley 27, the matching belt pulley 27 is located on the rear side of the rotating bevel gear 28, the matching shaft 25 is fixedly provided with a matching gear 26 located on the lower side of the horizontal rack 23 and engaged with the horizontal rack 23, and the matching gear 26 is located on the front side of the matching belt pulley 27.

Beneficially, a power rotating shaft 43 located at the left side of the connecting bevel gear 37 is rotatably disposed on the inner wall of the lower side of the working chamber 44, a sliding bevel gear 38 is keyed on the power rotating shaft 43, an upward opening T-shaped ring cavity 42 is disposed in the sliding bevel gear 38, a driven rotating shaft 12 located at the left side of the connecting rotating shaft 36 is rotatably disposed on the left wall of the working chamber 44, a driven pulley 11 is fixedly disposed on the driven rotating shaft 12, a matching bevel gear 35 located at the right side of the driven pulley 11 is fixedly disposed on the driven rotating shaft 12, the matching bevel gear 35 and the connecting bevel gear 37 are symmetrically disposed along the axis of the power rotating shaft 43, a motor 14 located at the left side of the working chamber 44 is fixedly disposed in the working chamber 10, a motor shaft 15 located in the working chamber 44 is rotatably disposed on the right end face of the motor 14, a driving pulley 41 is fixedly disposed on the motor shaft 15, and the, the motor shaft 15 is fixedly provided with a motor gear 16 positioned on the right side of the driving pulley 41.

Beneficially, the inner wall of the rear side of the working cavity 44 is provided with a vertical rack 17 which is located at the rear side of the motor gear 16 and is meshed with the motor gear 16 in a sliding manner, the upper end surface of the vertical rack 17 is connected with the inner wall of the upper side of the working cavity 44 through an extension spring 18, the upper end surface of the vertical rack 17 is connected with the left end surface of the sliding block 53 through a pull rope 19, the lower end surface of the vertical rack 17 is fixedly provided with a sliding push plate 40, the lower end surface of the sliding push plate 40 is fixedly provided with a T-shaped sliding rod 39 which extends downwards into the T-shaped ring cavity 42, and the T-shaped sliding rods.

Sequence of mechanical actions of the whole device: the initial state of the invention is as follows: the motor 14 is not started, the extension spring 18 is in a relaxed state, the pull rope 19 is in a relaxed state, the compression spring 52 is in a relaxed state, the vibration plate 54 is positioned in the sound insulation cavity 56, the reset spring 47 is in a relaxed state, the sliding knocking block 49 is positioned in the knocking sliding cavity 48, and the sliding bevel gear 38 is not meshed with the matching bevel gear 35 and the connecting bevel gear 37; 1. when the invention is required to be used, the invention is adsorbed on the left side of the switch on the front end surface of the stove through the sucking disc 20, when the infrared sensor 31 detects that a user leaves the stove in the using process, the motor 14 is started to drive the motor shaft 15 to rotate, the motor shaft 15 rotates to drive the motor gear 16 to rotate, the motor gear 16 rotates to drive the vertical rack 17 to slide downwards, the vertical rack 17 slides downwards to stretch the tension spring 18 and tension the pull rope 19, the pull rope 19 is tensioned to pull the slide block 53 to slide leftwards, the slide block 53 slides leftwards to compress the compression spring 52 and drive the sound insulation block 55 to slide leftwards, the vertical rack 17 slides downwards to drive the sliding push plate 40 to slide downwards, the sliding push plate 40 slides downwards to drive the T-shaped sliding rod 39 to slide downwards, the T-shaped sliding rod 39 slides downwards to drive the sliding bevel gear 38 to slide downwards, and when the sliding bevel gear 38, When the connecting bevel gear 37 is meshed, the motor gear 16 rotates to be disengaged from the vertical rack 17, the sliding block 53 slides leftwards to be abutted against the left cavity wall of the sliding cavity 51, and the vibrating plate 54 is completely positioned in the working cavity 44; 2. the motor shaft 15 rotates to drive the driving pulley 41 to rotate, because the driving pulley 41 is in transmission connection with the driven pulley 11 through the driven belt 13, the driving pulley 41 rotates to drive the driven pulley 11 to rotate, the driven pulley 11 rotates to drive the driven rotating shaft 12 to rotate, the driven rotating shaft 12 rotates to drive the matching bevel gear 35 to rotate, the matching bevel gear 35 rotates to drive the sliding bevel gear 38 to rotate, the sliding bevel gear 38 rotates to drive the connecting bevel gear 37 to rotate, the connecting bevel gear 37 rotates to drive the connecting rotating shaft 36 to rotate, the connecting rotating shaft 36 rotates to drive the rotating pulley 34 to rotate, because the rotating pulley 34 is in transmission connection with the linkage pulley 32 through the linkage belt 33, the rotating pulley 34 rotates to drive the linkage pulley 32 to rotate, the linkage pulley 32 rotates to drive the linkage rotating shaft 46 to rotate, the linkage rotating shaft 46 rotates to drive the rotating block 45 to rotate, and the rotating, the sliding knocking block 49 is thrown out of the extension return spring 47, and the vibrating plate 54 is vibrated to give out prompt sound by knocking the vibrating plate 54 through the sliding knocking block 49 so as to prompt a user to work normally on a kitchen stove; 3. the linkage rotating shaft 46 rotates to drive the linkage bevel gear 29 to rotate, the linkage bevel gear 29 rotates to drive the rotation bevel gear 28 to rotate, the rotation bevel gear 28 rotates to drive the rotation rotating shaft 30 to rotate, the rotation rotating shaft 30 is in transmission connection with the matching rotating shaft 25 through the matching belt pulley 27, the rotation rotating shaft 30 rotates to drive the matching rotating shaft 25 to rotate, the matching rotating shaft 25 rotates to drive the matching gear 26 to rotate, the matching gear 26 rotates to enable the horizontal rack 23 to slide rightwards, the horizontal rack 23 slides rightwards to stretch the extension spring 22 and drive the poke rod 24 to slide rightwards, and a stove switch which is opened in a rotating mode is closed, so that a; 4. when a user exists from the front side to the front side of the infrared sensor 31, the motor 14 stops starting, the extension spring 18 resets to drive the vertical rack 17 to slide upwards to an initial position, so that the sliding bevel gear 38 is disengaged from the matching bevel gear 35 and the connecting bevel gear 37, the vertical rack 17 slides upwards to loosen the pull rope 19, the pull rope 19 is loosened to reset the compression spring 52, the compression spring 52 resets to drive the sliding block 53 to slide rightwards to the initial position, so that the vibration plate 54 is positioned in the sound insulation cavity 56, and the vibration plate 54 is prevented from generating prompt sound due to vibration of external factors to misguide the user; 5. the time for the person to leave can be set by changing the elastic coefficient of the extension spring 18, the longer the elastic coefficient of the extension spring 18 is, the longer the person can leave, and the invention returns to the initial state after the use is finished.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.