CN109279235B

CN109279235B - Stifling type flame retardant garbage bin

Info

Publication number: CN109279235B
Application number: CN201811425498.0A
Authority: CN
Inventors: 叶烨
Original assignee: Hunan Jinshida Urban Public Facilities Co ltd
Current assignee: HUNAN JINSHIDA URBAN PUBLIC FACILITIES Co.,Ltd.
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2021-10-29
Anticipated expiration: 2038-11-27
Also published as: CN109279235A

Abstract

The invention discloses a suffocation type flame-retardant garbage can which comprises a garbage can adopting a cylindrical structure, wherein a switch door is installed on the outer side wall of the garbage can, three connecting plates are fixedly connected to the upper end edge of the garbage can in an equiangular mode in the circumferential direction by taking the central axis of the garbage can as the circle center, and the upper end faces of the three connecting plates are fixedly connected with a top cover together. Has the advantages that: under the usual state, utilize the magnetic attraction between permanent magnet and the ferromagnet to realize that the board of suffocating accomodates to the holding tank, under the fire extinguishing state, the heat conducts to the ferromagnet through heat conduction ring board and heat conduction piece, ferromagnet inside temperature risees gradually until reaching curie temperature and turns into paramagnetism, the permanent magnet no longer produces magnetic attraction to the ferromagnet, the board of suffocating just can be under the effect of self gravity vertical downward displacement until reaching the step, form confined space, isolated outside air, and then accomplish and put out a fire, reduce the combustion volume of combustible substance and the harmful gas that its burning generated, the protection pedestrian's is healthy.

Description

Stifling type flame retardant garbage bin

Technical Field

The invention relates to the technical field of garbage cans, in particular to a suffocation type flame-retardant garbage can.

Background

As one of the necessary facilities for keeping the environment clean in public areas such as parks, scenic spots, roads and the like, people often put various combustibles such as toilet paper, packaging bags, plastic bottles and the like into the garbage can, and in practical use, smokers are used to directly put unextinguished cigarette ends into the garbage can, the combustibles are easy to combust, wherein the plastic combustibles generate carcinogenic substances 'dioxin', the substances are suspended in the air for a long time and are extremely difficult to discharge along with the suction of the air into human bodies, and the waste plastics not only generate dense smoke and stink, but also generate toxic and harmful gases such as strongly irritant hydrogen chloride and the like during the combustion of the waste plastics, thereby seriously affecting the physical health of pedestrians.

In order to solve the problems, a suffocation type flame-retardant garbage can is provided.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a suffocation type flame-retardant garbage can capable of isolating air when combustion occurs.

In order to achieve the purpose, the invention adopts the following technical scheme: a suffocation type flame-retardant garbage can comprises a garbage can adopting a cylindrical structure, wherein a switch door is installed on the outer side wall of the garbage can, three connecting plates are fixedly connected with the upper end edge of the garbage can in an equiangular mode and take the central axis of the garbage can as the circle center, a top cover is fixedly connected with the upper end faces of the three connecting plates together, a vertically arranged motion cavity is formed in each connecting plate and the garbage can, a concave containing tank communicated with the motion cavity is formed in the lower end face of the top cover, a ferromagnetic body is fixedly connected with the inner bottom face of the motion cavity, a permanent magnet is adsorbed at the upper end of the ferromagnetic body, two fixed pulleys are installed on the inner wall of the containing tank at the corresponding position of each connecting plate, a traction line is fixedly connected with the center of the upper end face of the permanent magnet, one end, far away from the permanent magnet, of the plurality of the traction lines bypasses the two fixed pulleys and is fixedly connected with a suffocation plate in a horizontal arrangement together, the lower end face of the suffocation plate is fixedly connected with a plastic ring, the upper end edge of the garbage can is provided with a step for placing the plastic ring, the inner wall of the garbage can is fixedly connected with a heat conduction ring plate, a notch is formed in the garbage can between the heat conduction ring plate and the ferromagnet, and a heat conduction block in contact connection with the ferromagnet is fixedly connected in the notch;

the magnetic attraction force generated between the three permanent magnets and the ferromagnetic body is greater than the gravity of the suffocation plate, and the gravity of the suffocation plate is greater than the sum of the gravity of the three permanent magnets.

In the suffocation type flame-retardant garbage can, the width of the permanent magnet is smaller than that of the movement cavity.

In the suffocation type flame-retardant garbage can, the heat conducting block, the heat conducting annular plate, the connecting plate and the pull wire are all made of paramagnetic materials.

Compared with the prior art, this stifling type flame retardant garbage bin's advantage lies in:

under the usual state, utilize the magnetic attraction between permanent magnet and the ferromagnet to realize that the board of suffocating accomodates to the holding tank, under the fire extinguishing state, the heat conducts to the ferromagnet through heat conduction ring board and heat conduction piece, ferromagnet inside temperature risees gradually until reaching curie temperature and turns into paramagnetism, the permanent magnet no longer produces magnetic attraction to the ferromagnet, the board of suffocating just can be under the effect of self gravity vertical downward displacement until reaching the step, form confined space, isolated outside air, and then accomplish and put out a fire, reduce the combustion volume of combustible substance and the harmful gas that its burning generated, the protection pedestrian's is healthy.

Drawings

Fig. 1 is a schematic structural view of a suffocation type flame retardant trash can according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a suffocation type flame-retardant trash can according to the present invention in a normal state;

fig. 4 is a schematic structural view of a suffocation type fire-retardant trash can according to the present invention in a fire extinguishing state.

In the figure: the garbage can comprises a garbage can 1, a connecting plate 2, a top cover 3, a heat conduction ring plate 4, a motion cavity 5, a containing groove 6, a heat conduction block 7, a ferromagnet 8, a permanent magnet 9, a traction line 10, a fixed pulley 11, a suffocation plate 12, a plastic ring 13 and a step 14.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, a suffocation type flame retardant garbage can comprises a garbage can 1 adopting a cylindrical structure, a switch door is installed on the outer side wall of the garbage can 1 and used for sanitation workers to open and remove garbage in the garbage can 1, three connecting plates 2 are fixedly connected to the upper end edge of the garbage can 1 in a circumferential equiangular manner with the central axis of the garbage can 1 as the center, a top cover 3 is fixedly connected to the upper end faces of the three connecting plates 2, a vertically arranged movement cavity 5 is formed in each connecting plate 2 and the garbage can 1, the width of a permanent magnet 9 is smaller than that of the movement cavity 5, no friction force exists between the movement cavity 5 and the permanent magnet 9, the movement cavity 5 cannot obstruct the movement of the permanent magnet 9, a concave-shaped accommodating groove 6 communicated with the movement cavity 5 is formed in the lower end face of the top cover 3, a ferromagnetic body 8 is fixedly connected to the inner bottom face of the movement cavity 5, and a permanent magnet 9 is arranged at the upper end of the ferromagnetic body 8, two fixed pulleys 11 are respectively arranged on the corresponding positions of each connecting plate 2 on the inner wall of the accommodating groove 6, a traction line 10 is fixedly connected to the center of the upper end face of each permanent magnet 9, one ends of the three traction lines 10, far away from the permanent magnets 9, bypass the two fixed pulleys 11 and are fixedly connected with a horizontally arranged suffocation plate 12 together, a stable triangle is formed among the three traction lines 10, the suffocation plate 12 cannot turn over or deviate in the descending process, a plastic ring 13 is fixedly connected to the lower end face of the suffocation plate 12, a step 14 for placing the plastic ring 13 is arranged on the upper end edge of the garbage can 1, a heat conduction ring plate 4 is fixedly connected to the inner wall of the garbage can 1, a gap is formed between the heat conduction ring plate 4 and the ferromagnetic body 8 of the garbage can 1, and a heat conduction block 7 in contact connection with the ferromagnetic body 8 is fixedly connected in the gap;

the magnetic attraction force generated between the three permanent magnets 9 and the ferromagnetic body 8 is larger than the gravity of the suffocation plate 12, the gravity of the suffocation plate 12 is larger than the sum of the gravity of the three permanent magnets 9, the horizontal position of the suffocation plate 12 in the accommodating groove 6 is maintained in a normal state, and when fire is extinguished, the suffocation plate 12 automatically descends to the step 14 to extinguish the fire.

The garbage can 1, the heat conducting block 7, the heat conducting ring plate 4, the connecting plate 2 and the traction wire 10 are all made of paramagnetic materials, and the manufacturing materials of the garbage can 1, the heat conducting block 7, the heat conducting ring plate 4, the connecting plate 2 and the traction wire 10 cannot generate any magnetic influence on the permanent magnet 9 and the ferromagnetic body 8.

In the present invention, in a normal state (see fig. 3), all of the three permanent magnets 9 are attracted to the ferromagnetic member 8, and the magnetic attraction force generated between the three permanent magnets 9 and the ferromagnetic member 8 is larger than the gravity of the suffocation plate 12, so that the suffocation plate 12 is stably lifted into the housing groove 6.

People can put garbage into the garbage can 1 through the space between the top cover 3 and the garbage can 1 and the space between the three connecting plates 2, once a smoker directly puts an unburnt cigarette end into the garbage can 1, combustible substances are combusted, the temperature of the inner wall of the garbage can 1 rises, and the garbage can 1 is conducted into the ferromagnetic body 8 through the heat conducting ring plate 4 and the heat conducting block 7 until the temperature of the ferromagnetic body 8 rises to Curie temperature, the ferromagnetic body is converted into paramagnetism, the permanent magnet 9 does not generate magnetic attraction force on the ferromagnetic body 8 any more, the suffocation plate 12 can gradually vertically and downwards move under the traction of the three traction lines 10 until the plastic ring 13 is contacted with the step 14, the plastic ring 13 can slightly deform under the gravity of the suffocation plate 12, gaps between the plastic ring 13 and the step 14 are reduced, and a closed space is formed among the garbage can 1, the plastic ring 13 and the suffocation plate 12, isolated outside air, airtight space oxygen just can the self-stopping burning and extinguish (refer to fig. 4), the inside temperature of garbage bin 1 reduces, heat conduction annular plate 4 stops with heat conduction block 7 to conduct heat, ferromagnet 8 temperature drops to the constant temperature state, paramagnetism turns into the ferromagnetism, the staff can upwards hold up stifled board 12 until contacting with the inner wall of holding tank 6, move perpendicularly downwards in motion chamber 5 under the effect of permanent magnet 9 self gravity and move until adsorbing ferromagnet 8 again, get back to initial condition.

It should be noted that: the magnetization of ferromagnetic substances decreases with increasing temperature, and when reaching a certain temperature, the spontaneous magnetization disappears, and the magnetization changes into paramagnetism, and the critical temperature is the curie temperature.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A suffocation type flame-retardant garbage can comprises a garbage can (1) with a cylindrical structure, wherein a switch door is installed on the outer side wall of the garbage can (1), and the suffocation type flame-retardant garbage can is characterized in that the upper end edge of the garbage can (1) is fixedly connected with three connecting plates (2) in an equiangular mode by taking the central axis of the garbage can as the circle center, the upper end faces of the three connecting plates (2) are fixedly connected with a top cover (3) together, each connecting plate (2) and the garbage can (1) are provided with a vertically arranged movement cavity (5), the lower end face of the top cover (3) is provided with a concave-shaped accommodating groove (6) communicated with the movement cavity (5), the inner bottom face of the movement cavity (5) is fixedly connected with a ferromagnetic body (8), the upper end of the ferromagnetic body (8) is adsorbed with a permanent magnet (9), and two fixed pulleys (11) are installed on the corresponding positions of each connecting plate (2) on the inner wall of the accommodating groove (6), the center of the upper end face of each permanent magnet (9) is fixedly connected with a traction line (10), one end, far away from the permanent magnet (9), of each traction line (10) winds around two fixed pulleys (11) and is fixedly connected with a horizontally arranged suffocation plate (12) together, the lower end face of each suffocation plate (12) is fixedly connected with a plastic ring (13), a step (14) for placing the plastic ring (13) is arranged on the upper end edge of the garbage can (1), the inner wall of the garbage can (1) is fixedly connected with a heat conduction ring plate (4), a gap is formed between the heat conduction ring plate (4) and the ferromagnetic body (8) of the garbage can (1), and a heat conduction block (7) in contact connection with the ferromagnetic body (8) is fixedly connected in the gap; the magnetic attraction force generated between the three permanent magnets (9) and the ferromagnetic body (8) is larger than the gravity of the suffocation plate (12), and the gravity of the suffocation plate (12) is larger than the sum of the gravity of the three permanent magnets (9).

2. A smothering type flame retardant waste bin according to claim 1 wherein the width of the permanent magnet (9) is less than the width of the moving chamber (5).

3. A suffocation type fire retardant dustbin according to claim 1, wherein the dustbin (1), the heat conducting block (7), the heat conducting ring plate (4), the connecting plate (2) and the pulling wire (10) are all made of paramagnetic materials.