CN111228679A

CN111228679A - Automatic isolating device of dark line fire prevention

Info

Publication number: CN111228679A
Application number: CN202010037873.5A
Authority: CN
Inventors: 李兆纯
Original assignee: 李兆纯
Current assignee: Ninghua branch of Fujian xinhantang Lighting Technology Co.,Ltd.
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-06-05
Anticipated expiration: 2040-01-14
Also published as: CN111228679B

Abstract

The invention relates to the technical field of household fire fighting and discloses a concealed wire fire prevention automatic isolation device which comprises a ground, wherein a mounting groove is formed in the ground, an electric wire is mounted in the mounting groove, a plurality of annular fixing grooves are formed in the inner wall of the mounting groove, a plurality of expansion cavities are formed above and below the mounting groove, a heat conducting strip is made of copper, a movable groove extending to the inner wall of the fixing groove is formed in one side, close to the fixing groove, of each expansion cavity, and a screw rod is inserted in each movable groove. This automatic isolating device of dark line fire prevention through set up the inflation chamber at the top and the bottom of mounting groove, when the somewhere spontaneous combustion of electric wire, the intensity of a fire stretches along the electric wire, leads to ambient temperature to rise, and the conducting strip of ignition both sides is with heat conduction inflation intracavity, inflation intracavity gas thermal expansion, and at this moment the screw rod is blocked by great fixture block, and when the intensity of a fire is more and more close from the inflation chamber, the inflation chamber inhales the heat more and more.

Description

Automatic isolating device of dark line fire prevention

Technical Field

The invention relates to the technical field of household fire fighting, in particular to a concealed wire fire prevention automatic isolation device.

Background

With the development and improvement of intelligent technologies, more and more people start to buy intelligent furniture, but all the intelligent furniture needs to be driven by electric power, so that the household appliances are increased, and more sockets and wires need to be installed.

When many multipurpose electrical apparatus open simultaneously, the load increase of wire makes the wire generate heat, and the wire can probably spontaneous combustion when the heat reaches a certain degree, and most wires all are located under the bottom plate or in the wall body moreover, and difficult discovery and timely processing can make the intensity of a fire constantly enlarge, cause huge loss, therefore we have proposed a dark line fire prevention automatic isolation device and have solved these problems.

Disclosure of Invention

In view of the above problems, the present invention is directed to a concealed wire fireproof automatic isolation device having a function of isolating a fire wire.

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an automatic isolating device of dark line fire prevention, includes ground, the inside on ground is provided with the mounting groove, the internally mounted of mounting groove has the electric wire, the inner wall of mounting groove is provided with a plurality of annular fixed slots, a plurality of inflation chambeies have all been seted up to the top and the below of mounting groove, it has the conducting strip to inlay between inflation chamber and the mounting groove, and the conducting strip adopts copper to make, the inflation chamber is close to one side of fixed slot and sets up the movable groove that extends to the fixed slot inner wall, it has the screw rod to peg graft in the movable groove, the screw rod runs through the fixed slot.

The fixing groove is internally provided with a partition board, the partition board is made of fireproof materials, a through hole is formed in the right side of the partition board, notches are formed in the top and the bottom of the partition board, a rotating shaft is welded in the partition board, and a rotating ring is rotatably connected in the partition board.

The utility model discloses a cutting tool, including swivel becket, including the swivel becket, the inboard of swivel becket has been seted up and has been accomodate the groove, accomodate the inslot and be provided with the spout, the spout is the arc, sliding connection has the slide bar in the spout, it is connected with the blade to rotate between slide bar and the pivot, the pivot is blade pivoted fulcrum, the inner wall fixedly connected with fixture block of activity groove, the fixture block adopts rubber to make.

Preferably, a sealing plug is fixedly connected to one side of the screw rod close to the expansion cavity, the clamping block is located on one side of the sealing plug close to the fixing groove, an inclined plane is arranged on one side of the clamping block close to the sealing plug, and the volume of the clamping block closest to the sealing plug is larger than that of other clamping blocks.

Preferably, the screw groove of the screw rod is obliquely formed, the inclined screw groove meshed with the screw rod is arranged on the outer side of the rotating ring, when the upper screw rod moves leftwards or the lower screw rod moves rightwards, the rotating ring rotates clockwise, and the rotating ring extends out of the gap of the isolation plate.

Preferably, the six blades are distributed in a staggered mode, vacuum grooves are formed in the blades, and rotating grooves corresponding to the rotating rings are formed in the inner sides of the partition plates.

As an optimization, the device needs to be installed every other meter in the wire distribution area.

The invention has the following beneficial effects:

1. this automatic isolating device of dark line fire prevention through seting up the inflation chamber at the top and the bottom of mounting groove, when the somewhere spontaneous combustion of electric wire, the intensity of a fire stretches along the electric wire, leads to ambient temperature to rise, and the conducting strip of ignition both sides is with heat conduction inflation intracavity, and inflation intracavity gas is heated and expands, promotes the screw rod to opposite direction like this, and at this moment the screw rod is blocked by great fixture block, and is more and more near from the inflation chamber when the intensity of a fire, and the inflation chamber inhales the heat more and more, and pressure is more and more.

When pressure reaches a certain degree, the pushing screw rod slides through a large clamping block to move towards the direction of the fixing groove, the screw groove on the outer side of the rotating ring drives the screw rod to rotate, the rotating screw rod drives the rotating ring to rotate clockwise, the control blade contracts to cut off the electric wire, and the ignition area is isolated through the isolating plate and the blade, so that the fire spread is effectively controlled, the fire fighting time is strived for, and the economic loss is reduced.

2. This automatic isolating device of dark line fire prevention, through installation polylith blade in the division board, clockwise when the screw rod drives the swivel becket rotation, the swivel becket passes through the spout and drives the slide bar and remove to clockwise, utilize lever principle, the slide bar exerts the force to the one end of blade, the blade uses the pivot as the fulcrum, clockwise rotation, six blades are rotatory drawing in, with the wire cutting section, slide the cutting around the electric wire through the polylith blade like this, cut off the electric wire more easily, prevent that the intensity of a fire from stretching too fast, can not in time cut off the electric wire, lead to the intensity of a fire to enlarge.

Drawings

FIG. 1 is a schematic view of the overall distribution of the structure of the concealed wiring fireproof automatic isolation device of the present invention.

FIG. 2 is a schematic view of the structure of the concealed wiring fireproof automatic isolation device of the present invention.

FIG. 3 is an enlarged view of the portion A of the structure of the concealed wiring fireproof automatic isolating device of the present invention.

FIG. 4 is a schematic view of the structure of the isolation board of the concealed wire fireproof automatic isolation device of the present invention.

FIG. 5 is an enlarged view of a rotating ring portion of the concealed wire fireproof automatic isolating device structure of the present invention.

FIG. 6 is a schematic view showing the blade closed state of the structure of the concealed wire fireproof automatic isolating device of the invention.

FIG. 7 is a schematic view showing the open state of the blades of the concealed wire fireproof automatic isolating device structure of the present invention.

In the figure: 1-ground surface, 2-installation groove, 3-electric wire, 4-fixed groove, 5-expansion cavity, 6-heat conducting sheet, 7-movable groove, 8-screw rod, 9-isolation plate, 10-through hole, 11-notch, 12-rotating shaft, 13-rotating ring, 14-containing groove, 15-sliding groove, 16-sliding rod, 17-blade and 18-clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a concealed wire fireproof automatic isolation device comprises a ground 1, a mounting groove 2 is arranged inside the ground 1, an electric wire 3 is arranged inside the mounting groove 2, a plurality of annular fixing grooves 4 are arranged on the inner wall of the mounting groove 2, a plurality of expansion cavities 5 are arranged above and below the mounting groove 2, the expansion cavities 5 are distributed on two sides of the fixing grooves 4, heat conducting fins 6 are embedded between the expansion cavities 5 and the mounting groove 2 and can quickly transfer heat in the mounting groove 2 into the expansion cavities 5, the heat conducting fins 6 are made of copper, a movable groove 7 extending to the inner wall of the fixing groove 4 is arranged on one side of the expansion cavity 5 close to the fixing groove 4, a screw 8 is inserted in the movable groove 7, the screw 8 penetrates through the fixing groove 4, a sealing plug is adhesively connected to one side of the screw 8 close to the expansion cavity 5 to prevent air leakage, a screw groove of the screw 8 is obliquely arranged, when the upper screw 8 moves left, the rotating ring 13 rotates clockwise.

Install division board 9 in fixed slot 4, division board 9 adopts fire prevention material to make, division board 9 inboard has been seted up with the corresponding rotation groove of swivel becket 13, make things convenient for swivel becket 13 to rotate, prevent the landing, through-hole 10 has been seted up on the right side of division board 9, breach 11 has all been seted up to the top and the bottom of division board 9, division board 9 inside weld has pivot 12, division board 9 inside rotation is connected with swivel becket 13, the outside of swivel becket 13 is provided with the slope spiral shell groove with screw rod 8 engaged with, swivel becket 13 extends division board 9's breach 11.

The inner side of the rotating ring 13 is provided with a containing groove 14, a sliding groove 15 is arranged in the containing groove 14, the sliding rod 16 can be driven to move when the sliding rod 15 rotates, the sliding groove 15 is arc-shaped, the sliding rod 16 is connected in the sliding groove 15 in a sliding manner, a blade 17 is rotatably connected between the sliding rod 16 and the rotating shaft 12, the blade 17 is made of stainless steel, the rotating shaft 12 is a pivot of the blade 17, six blades 17 are distributed in a staggered manner to achieve a good isolation effect, a vacuum groove is arranged in the blade 17 to reduce the heat conduction speed and strive for fire fighting time, a fixture block 18 is fixedly connected to the inner wall of the movable groove 7, the fixture block 18 is made of rubber, the fixture block 18 is positioned on one side of the sealing plug close to the fixing groove 4, one side of the fixture block 18 close to the sealing plug is an inclined plane, so that the screw rod 8 can only move towards the direction far away from the, the screw 8 can be pushed out to prevent the device from damaging the electric wire 3 when the electric wire 3 normally generates heat.

The device needs to be installed in the distribution area of the electric wires 3 every other meter, so that the fire can be effectively controlled.

When a certain part of the electric wire 3 is spontaneously combusted, the fire spreads along the electric wire 3 to cause the surrounding temperature to rise, so that the heat conducting fins 6 on the two sides of the ignition point conduct heat into the expansion cavity 5, the gas in the expansion cavity 5 is thermally expanded to push the screw rod 8 to the opposite direction far away from the expansion cavity 5, at the moment, the screw rod 8 is clamped by the larger clamping block 18 and cannot move, and when the fire is closer to the expansion cavity 5, the expansion cavity 5 absorbs more and more heat, and the pressure is larger and larger.

When the pressure reaches a certain degree, the screw 8 is pushed to slide through the larger clamping block 18 to move towards the direction of the fixed groove 4, the screw groove on the outer side of the rotating ring 13 drives the screw 8 to rotate, the rotating screw 8 drives the rotating ring 13 to rotate clockwise, the rotating ring 13 drives the sliding rod 16 to move clockwise through the sliding groove 15, by utilizing the lever principle, the movable rod 16 applies force to one end of the blade 17, the blade 17 rotates clockwise by taking the rotating shaft 12 as a fulcrum, the six blades 17 rotate and are furled in, and the electric wire 3 is cut into sections to form an isolation area.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic isolating device of dark line fire prevention, includes ground (1), its characterized in that: the ground is characterized in that a mounting groove (2) and an expansion chamber (5) are arranged inside the ground (1), an electric wire (3) is arranged inside the mounting groove (2), a fixing groove (4) is formed in the inner wall of the mounting groove (2), a heat conducting sheet (6) is arranged between the expansion chamber (5) and the mounting groove (2), a movable groove (7) communicated with the fixing groove (4) is formed in one side of the expansion chamber (5), a screw rod (8) is movably connected in the movable groove (7), a partition plate (9) is fixedly connected in the fixing groove (4), a through hole (10) and a notch (11) are formed in the outer side of the partition plate (9), a rotating shaft (12) and a rotating ring (13) are arranged inside the partition plate (9), a containing groove (14) is formed in the inner side of the rotating ring (13), and a sliding groove (15) is movably connected in the containing groove (, a sliding rod (16) is movably connected in the sliding groove (15), a blade (17) is movably connected between the sliding rod (16) and the rotating shaft (12), and a clamping block (18) is fixedly connected to the inner wall of the movable groove (7).

2. The concealed wire fire-proof automatic isolating device according to claim 1, characterized in that: one side of the screw rod (8) close to the expansion cavity (5) is fixedly connected with a sealing plug, the clamping block (18) is positioned on one side of the sealing plug close to the fixing groove (4), one side of the clamping block (18) close to the sealing plug is an inclined plane, and the volume of the clamping block (18) closest to the sealing plug is larger than that of other clamping blocks (18).

3. The concealed wire fire-proof automatic isolating device according to claim 1, characterized in that: the screw groove of the screw rod (8) is obliquely formed, the outer side of the rotating ring (13) is provided with an oblique screw groove meshed with the screw rod (8), when the screw rod (8) above moves leftwards or the screw rod (8) below moves rightwards, the rotating ring (13) rotates clockwise, and the rotating ring (13) extends out of a notch (11) of the isolation plate (9).

4. The concealed wire fire-proof automatic isolating device according to claim 1, characterized in that: the six blades (17) are distributed in a staggered mode, vacuum grooves are formed in the blades (17), and rotating grooves corresponding to the rotating rings (13) are formed in the inner side of the isolating plate (9).