Gas stove automatic fire closing device with clutch driving gear transmission

By adopting a fixed base plate and limit block design in the automatic flameout device of the gas stove, combined with elastic components and gear transmission, the problem of damage during maintenance of existing devices is solved, realizing quick disassembly and safe shutdown, and improving the convenience and safety of use.

CN224033862UActive Publication Date: 2026-03-24QINGDAO SHENGSHENG TECH IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing automatic flameout devices for gas stoves with clutch-driven gear transmissions require strong tearing during maintenance or replacement due to excessive adhesive force, which can easily damage the device. Furthermore, they are not easy to disassemble or install quickly, affecting the flexibility and convenience of use.

Method used

The fixed base plate is attached to the gas stove surface with 3M adhesive. The limit block and connecting rod are slidably installed. The battery cover is engaged with the positioning block through the positioning groove. Combined with the elastic component design, it can be easily disassembled and assembled. The timer and motor drive the rotating body to mesh and transmit power, so as to achieve safe shutdown.

Benefits of technology

It enables quick disassembly and maintenance of the automatic flameout device for gas stoves, avoiding damage caused by forceful tearing and improving the device's safety and ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gas stove automatic fire turn-off device driven by a clutch to drive a gear to transmit, relates to the technical field of gas stove accessories, aims to solve the problems that when the gas stove automatic fire turn-off device is directly fixed on the surface of a gas stove through 3M and needs to be maintained, the device needs to be torn off vigorously, so that the device is damaged and is difficult to disassemble and assemble quickly, and comprises an upper shell, a rotating seat and a connecting piece, a display screen is installed on the upper shell, limiting blocks at the bottom of the battery cover plate are installed on limiting grooves in the two ends of the fixed bottom plate in an inserted mode, an inner rotating cylinder is further rotationally installed on the lower shell base, a guide block is fixedly installed at the inner end of the inner rotating cylinder, and a guide groove outside a rotating base is slidably installed on the guide block at the inner end of the inner rotating cylinder. A clamping wheel is fixedly mounted on the connecting piece, the clamping wheel is mounted on a clamping groove in the bottom of the rotating seat in a clamping manner, and a connecting key groove is further formed in the connecting piece; the gas stove is convenient to quickly disassemble, assemble and maintain, and the problem that when the gas stove is directly fixed to the surface of the gas stove and needs to be maintained, the gas stove needs to be torn vigorously to be damaged is solved; and the safety is relatively high.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to gas -cooker accessory technical field, more specifically, especially relate to a kind of automatic gas -cooker fire extinguisher of clutch driving gear transmission. BACKGROUND

[0002] According to incomplete statistics, dry burning accidents caused by forgetting to close gas stove occur frequently every year in China, whether small-scale kitchen fire or large-scale fire brings great threat to people's life and property safety;These accidents not only cause huge economic losses, but also make many families bear unspeakable pain and sorrow;Therefore, a kind of automatic gas -cooker fire extinguisher is needed to effectively avoid the occurrence of fire accidents.

[0003] The existing similar automatic gas -cooker fire extinguisher of clutch driving gear transmission is directly fixed on the surface of gas stove by 3M during use, when maintenance or replacement is needed, due to the strong adhesion, users often have to exert great force to tear, which can easily cause damage to the fire extinguisher itself during this process, not only increase the maintenance cost, but also shorten the service life of the product;Users are difficult to quickly disassemble or reinstall the device during daily cleaning or emergency, which affects the flexibility and convenience of use. CONTENT OF UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model provides a kind of automatic gas -cooker fire extinguisher of clutch driving gear transmission, to solve the problem of existing similar direct 3M fixation on the surface of gas stove, when maintenance is needed, it needs to tear with great force, which can cause damage to the device, and the device is not easy to quickly disassemble or reinstall.

[0005] The utility model automatic gas -cooker fire extinguisher of clutch driving gear transmission is achieved by the following specific technical means:

[0006] A kind of automatic gas -cooker fire extinguisher of clutch driving gear transmission, including upper shell, rotating seat and connecting piece;

[0007] The upper shell is provided with a display screen, and a group of lower shell seats are clamped and installed at the bottom of the upper shell. A group of motors are fixedly installed on the lower shell seats. A timer and a controller are connected to the motors. A group of connecting seats are slidably installed on the transmission shafts of the motors. Claws are fixedly installed at the inner ends of the connecting seats. A group of rotating bodies are rotatably installed on the lower shell seats. Butt teeth are fixedly installed at the outer ends of the rotating bodies. The claws at the inner ends of the connecting seats are clamped and installed on the butt teeth at the outer ends of the rotating bodies. Guide grooves are formed at the outer ends of the rotating seats. Clamping grooves are formed at the bottoms of the rotating seats. A battery cover plate is fixedly installed at the bottom of the lower shell seat through screws. A group of fixed bottom plates are clamped and installed at the bottom of the battery cover plate. Limiting grooves are respectively formed at the two ends of the fixed bottom plates. Two groups of limiting blocks are slidably installed at the bottom of the battery cover plate, and the limiting blocks at the bottom of the battery cover plate are respectively inserted and installed in the limiting grooves at the two ends of the fixed bottom plates. A group of pull rings are fixedly installed at the outer ends of the limiting blocks. An inner rotating cylinder is rotatably installed on the lower shell seat. Guide blocks are fixedly installed at the inner ends of the inner rotating cylinder. The guide grooves at the outer ends of the rotating seats are slidably installed on the guide blocks at the inner ends of the inner rotating cylinder. Clamping wheels are fixedly installed on the connecting pieces. The clamping wheels on the connecting pieces are clamped and installed in the clamping grooves at the bottoms of the rotating seats. Connecting key grooves are formed on the connecting pieces.

[0008] In at least some embodiments, a group of outer bevel gear rings are fixedly installed on the inner rotating cylinder, and a group of bevel gears are fixedly installed at the inner ends of the rotating bodies, and the outer bevel gear rings on the inner rotating cylinder are in meshing transmission connection with the bevel gears at the inner ends of the rotating bodies.

[0009] In at least some embodiments, a group of connecting plates are fixedly installed at the two ends of the battery cover plate, sliding holes are formed on the connecting plates, a group of connecting rods are fixedly installed at the outer ends of the limiting blocks, and the connecting rods at the outer ends of the limiting blocks are slidably installed in the sliding holes of the connecting plates.

[0010] In at least some embodiments, a group of guide shafts are fixedly installed on the transmission shafts of the motors, and a group of guide holes are formed on the connecting seats and are slidably installed on the guide shafts.

[0011] In at least some embodiments, a group of second elastic members are sleeved and installed on the connecting rods at the outer ends of the limiting blocks, and the outer ends of the second elastic members are in contact with the inner end faces of the connecting plates on the battery cover plate.

[0012] In at least some embodiments, a group of first elastic members are sleeved and installed on the guide shafts of the motors, and the inner ends of the first elastic members are in contact with the outer end faces of the connecting seats.

[0013] In at least some embodiments, a group of positioning grooves are formed at the bottom of the battery cover plate, a group of positioning blocks are fixedly installed at the top of the fixed bottom plate, and the positioning grooves at the bottom of the battery cover plate are clamped and installed on the positioning blocks at the top of the fixed bottom plate.

[0014] Compared with the prior art, the automatic gas stove fire extinguisher driven by the clutch belt and the gear has the following beneficial effects:

[0015] The fixed bottom plate is arranged on the bottom of the fixed bottom plate and is adhered to the surface of the gas stove by 3M glue, the connecting rod of the limiting block outer end is slidingly installed on the sliding hole of the connecting plate, the limiting block is pulled outward, the positioning groove at the bottom of the battery cover plate is clamped and installed on the limiting block at the top of the fixed bottom plate, when the battery cover plate moves to the fixed position, the limiting block is loosened, and under the action of the second elastic member on the connecting rod, the limiting block moves inward, so that the device is convenient to disassemble, assemble and maintain, and the problem that the device is damaged due to forceful tearing when the device is directly fixed on the surface of the gas stove and needs to be maintained is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front side shaft type schematic view of the utility model.

[0017] Figure 2 It is a bottom schematic view of the utility model.

[0018] Figure 3 It is an internal schematic view of the utility model.

[0019] Figure 4 It is a disassembly and assembly schematic view of the inner rotating cylinder of the utility model.

[0020] Figure 5 It is a bottom schematic view of the rotating seat of the utility model.

[0021] Figure 6 It is a disassembly and assembly schematic view of the fixed bottom plate of the utility model.

[0022] Figure 7 It is a top installation schematic view of the fixed bottom plate of the utility model.

[0023] In the drawings, the corresponding relationship between the component names and the drawing numbers is as follows:

[0024] 1. Upper housing; 101. Display screen; 2. Lower housing base; 201. Motor; 202. Guide shaft; 203. First elastic element; 204. Connecting seat; 2041. Clamping tooth; 205. Rotating body; 2051. Bevel gear; 2052. Connecting tooth; 3. Rotating seat; 301. Guide groove; 302. Clamping groove; 4. Battery cover plate; 401. Positioning groove; 402. Limiting block; 4021. Connecting rod; 4022. Second elastic element; 4023. Pull ring; 403. Connecting plate; 5. Fixed base plate; 501. Positioning block; 502. Limiting groove; 6. Inner rotating cylinder; 601. Outer bevel gear ring; 602. Guide block; 7. Connecting part; 701. Clamping wheel; 702. Connecting keyway. Detailed Implementation

[0025] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0026] As attached Figure 1 To be continued Figure 7 As shown:

[0027] Example 1: This utility model provides an automatic flame shut-off device for a gas stove with clutch-driven gear transmission, including an upper housing 1, a rotating base 3, and a connecting piece 7;

[0028] A display screen 101 is mounted on the upper housing 1. A lower housing seat 2 is snapped onto the bottom of the upper housing 1. A motor 201 is fixedly mounted on the lower housing seat 2. A timer and a controller are connected to the motor 201. A connecting seat 204 is slidably mounted on the drive shaft of the motor 201. A retaining tooth 2041 is fixedly mounted on the inner end of the connecting seat 204. A rotating body 205 is also rotatably mounted on the lower housing seat 2. A mating tooth 2052 is fixedly mounted on the outer end of the rotating body 205, and the retaining tooth 2041 at the inner end of the connecting seat 204 is engaged with the mating tooth 2052 at the outer end of the rotating body 205. A guide groove 301 is opened at the outer end of the rotating seat 3, and a retaining groove 302 is opened at the bottom of the rotating seat 3. A battery cover 4 is also fixedly mounted on the bottom of the lower housing seat 2 by screws. A set of fixed base plates 5 are snapped onto the bottom of the cover plate 4. Limiting grooves 502 are respectively opened at both ends of the fixed base plates 5. Two sets of limiting blocks 402 are slidably installed on the bottom of the battery cover plate 4. The limiting blocks 402 at the bottom of the battery cover plate 4 are respectively inserted into the limiting grooves 502 at both ends of the fixed base plates 5. A set of pull rings 4023 are also fixedly installed on the outer end of the limiting blocks 402. An inner rotating cylinder 6 is also rotatably installed on the lower shell seat 2. A guide block 602 is fixedly installed on the inner end of the inner rotating cylinder 6. The guide groove 301 outside the rotating seat 3 is slidably installed on the guide block 602 at the inner end of the inner rotating cylinder 6. A cam 701 is fixedly installed on the connecting piece 7. The cam 701 on the connecting piece 7 is snapped onto the cam groove 302 at the bottom of the rotating seat 3. A connecting keyway 702 is also opened on the connecting piece 7.

[0029] likeFigure 6 and Figure 7 As shown, a set of positioning grooves 401 are provided at the bottom of the battery cover 4, and a set of positioning blocks 501 are fixedly installed on the top of the fixed base plate 5. The positioning grooves 401 at the bottom of the battery cover 4 are snapped onto the positioning blocks 501 at the top of the fixed base plate 5. A set of connecting plates 403 are fixedly installed at both ends of the battery cover 4. The connecting plates 403 are provided with sliding holes. A set of connecting rods 4021 are fixedly installed at the outer end of the limiting block 402. The connecting rods 4021 at the outer end of the limiting block 402 are slidably installed on the sliding holes of the connecting plates 403. A set of second elastic members 4022 are respectively sleeved on the connecting rods 4021 at the outer end of the limiting block 402. The outer ends of the second elastic members 4022 are connected to the battery cover 4. The inner end face of the upper connecting plate 403 is in contact with each other; specifically, the bottom of the fixed base plate 5 is attached to the surface of the gas stove with 3M adhesive, and the connecting rod 4021 at the outer end of the limiting block 402 is slidably installed on the sliding hole of the connecting plate 403. Pulling the limiting block 402 outward will snap the positioning groove 401 at the bottom of the battery cover 4 onto the positioning block 501 at the top of the fixed base plate 5. When the battery cover 4 moves to the fixed position, the limiting block 402 is released. Under the action of the second elastic element 4022 on the connecting rod 4021, the limiting block 402 moves inward, so that the device can be quickly disassembled and maintained, avoiding the problem of damage caused by the device having to be torn apart when it is directly fixed to the surface of the gas stove for maintenance.

[0030] Example 2: Based on Example 1, as follows Figure 3 As shown, a set of external bevel gear rings 601 are fixedly installed on the inner rotating cylinder 6, and a set of bevel gears 2051 are fixedly installed on the inner end of the rotating body 205. The external bevel gear rings 601 on the inner rotating cylinder 6 are meshed with the bevel gears 2051 at the inner end of the rotating body 205 for transmission. A set of guide shafts 202 are fixedly installed on the drive shaft of the motor 201. A set of guide holes are provided on the connecting seat 204, and the guide holes on the connecting seat 204 are slidably installed on the guide shafts 202. A set of first elastic elements are sleeved on the guide shafts 202 of the motor 201. 203, and the inner end of the first elastic element 203 is in contact with the outer end face of the connecting seat 204; specifically, the guide hole on the connecting seat 204 is slidably installed on the guide shaft 202. When the timer is preset and the timing is completed, the controller controls the motor 201 to drive the rotating body 205 to rotate through the connecting seat 204. The outer bevel gear ring 601 on the inner rotating cylinder 6 meshes with the bevel gear 2051 at the inner end of the rotating body 205 to drive the rotating seat 3 on the rotating body 205 to rotate and reset to close, so that the device has better safety.

[0031] The specific usage and function of this embodiment are as follows:

[0032] The utility model discloses a fixing bottom plate 5's bottom is pasted to gas -cooker surface through 3M glue, and the positioning groove 401 of battery cover plate 4 bottom is installed on the positioning block 501 of fixing bottom plate 5 top through pulling the limiting block 402 outward, when battery cover plate 4 moves to fixed position, and loosens the limiting block 402, under the action of second elastic part 4022 on connecting rod 4021, the limiting block 402 moves inward, so that the device is convenient for quick dismounting maintenance, when the timer is finished when pre -setting, and the controller controls motor 201 through connecting seat 204 and drives rotary body 205 to rotate, and the outer taper gear ring 601 on inner rotating cylinder 6 is engaged transmission connection with the bevel gear 2051 of rotary body 205 inner end, to drive rotary seat 3 on rotary body 205 to rotate and reset and close, to make the device have better security.

[0033] In this paper, the following points need attention:

[0034] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0035] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0036] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An automatic flame shut-off device for a gas stove with clutch-driven gear transmission, characterized in that: It includes an upper housing (1), a rotating seat (3), and a connecting piece (7); A display screen (101) is installed on the upper housing (1). A set of lower housing seats (2) is snapped onto the bottom of the upper housing (1). A set of motors (201) is fixedly installed on the lower housing seats (2). A timer and a controller are connected to the motors (201). A set of connecting seats (204) is slidably installed on the drive shaft of the motors (201). A locking tooth (2041) is fixedly installed on the inner end of the connecting seat (204). A set of rotating bodies (205) is also rotatably installed on the lower housing seats (2). A mating tooth (2052) is fixedly installed on the outer end of the rotating body (205). The locking tooth (2041) at the inner end of the connecting seat (204) is snapped onto the mating tooth (2052) at the outer end of the rotating body (205). A guide groove (301) is opened on the outer end of the rotating seat (3). A locking groove (302) is opened on the bottom of the rotating seat (3). A battery cover plate (4) is also fixedly installed on the bottom of the lower housing seats (2) by screws. (4) has a set of fixed base plates (5) installed at the bottom. The fixed base plates (5) have limit grooves (502) at both ends. The bottom of the battery cover (4) has two sets of limit blocks (402) slidably installed. The limit blocks (402) at the bottom of the battery cover (4) are respectively inserted into the limit grooves (502) at both ends of the fixed base plates (5). The outer end of the limit blocks (402) is also fixedly installed with a set of pull rings (4023). The lower shell base (2) also has a rotating... An inner rotating cylinder (6) is installed, and a guide block (602) is fixedly installed at the inner end of the inner rotating cylinder (6). The guide groove (301) outside the rotating seat (3) is slidably installed on the guide block (602) at the inner end of the inner rotating cylinder (6). A cam (701) is fixedly installed on the connecting piece (7). The cam (701) on the connecting piece (7) is engaged with the cam groove (302) at the bottom of the rotating seat (3). A connecting keyway (702) is also provided on the connecting piece (7).

2. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: The bottom of the battery cover (4) is provided with a set of positioning grooves (401), and a set of positioning blocks (501) is fixedly installed on the top of the fixed base plate (5). The positioning grooves (401) at the bottom of the battery cover (4) are snapped onto the positioning blocks (501) at the top of the fixed base plate (5).

3. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: A set of connecting plates (403) are fixedly installed at both ends of the battery cover (4). The connecting plates (403) have sliding holes. A set of connecting rods (4021) is fixedly installed at the outer end of the limiting block (402). The connecting rods (4021) at the outer end of the limiting block (402) are slidably installed on the sliding holes of the connecting plates (403).

4. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: A set of second elastic members (4022) are respectively sleeved on the connecting rod (4021) at the outer end of the limiting block (402), and the outer end of the second elastic member (4022) is in contact with the inner end face of the connecting plate (403) on the battery cover (4).

5. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: A set of external bevel gear rings (601) are fixedly installed on the inner rotating cylinder (6), and a set of bevel gears (2051) are fixedly installed on the inner end of the rotating body (205). The external bevel gear rings (601) on the inner rotating cylinder (6) are meshed and connected with the bevel gears (2051) at the inner end of the rotating body (205).

6. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: A set of guide shafts (202) are fixedly installed on the drive shaft of the motor (201), and a set of guide holes are provided on the connecting seat (204), and the guide holes on the connecting seat (204) are slidably installed on the guide shafts (202).

7. The automatic flame shut-off device for a gas stove with clutch-driven gear transmission according to claim 1, characterized in that: The guide shaft (202) of the motor (201) is fitted with a set of first elastic elements (203), and the inner end of the first elastic element (203) is in contact with the outer end face of the connecting seat (204).