CN210468696U - Fireproof sealing structure for cable wall penetration - Google Patents

Abstract

The utility model relates to a cable fire prevention technical field, in particular to fire prevention seal structure of cable through-wall, including flame retardant coating, threading pipe and fire prevention spare, fire prevention spare includes that dryer piece and fire prevention are sealed, and two dryer pieces are vertical to be established in the one end of threading pipe, puts the department at dryer piece central point and has seted up the round hole, and the intraductal cable of threading runs through two dryer pieces through the round hole, and it has fire prevention sealed glue to fill between two dryer pieces. Because a cavity capable of gathering the fire-proof sealant is formed between the air duct piece and the inner wall of the threading pipe, the fire-proof material cannot fall to the bottom end of the inner wall of the threading pipe and cannot gather, so that raw materials are wasted.

Description

Fireproof sealing structure for cable wall penetration

Technical Field

The utility model relates to a cable fire prevention technical field, in particular to cable wall-piercing's fire prevention seal structure.

Background

The cable in the factory building can pass wall body transmission electric power because the construction needs, and building wall is the main building element of fire prevention subregion, when avoiding when wall body one side conflagration breaks out, and the intensity of a fire can stretch to the opposite side of wall body along the cable, so can set up fire prevention seal structure usually when the cable wears the wall.

The protection seal structure of prior art generally includes the flame retardant coating, threading pipe and fire prevention spare, and the flame retardant coating is filled in the wall body, and the threading pipe runs through flame retardant coating and wall body, and fire prevention spare sets up in threading pipe both ends mouth of pipe department, and conventional fire prevention plugging material is chooseed for use to the fire prevention spare, and when the conflagration took place in the factory building, the intensity of a fire stretched to the fire prevention spare along the cable conductor when, because the fire prevention material of fire prevention spare has nonflammable characteristic, has prevented that the intensity of a fire from stretching to the opposite side of wall.

The weak point of above-mentioned prior art lies in, the fire prevention piece sets up at threading pipe port, and fire prevention putty material slides in from threading pipe tip when filling easily in to because the easy gathering of action of gravity is close to one side on ground at the pipe wall inner wall, it is difficult in sealed with the port to lead to fire prevention putty, can't reach the effect of fire prevention promptly, even fire prevention putty can form in the port department sealedly, and partly fire prevention putty that falls into in the threading pipe during filling also is a raw materials extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable wears fire prevention seal structure of wall has realized using less fire prevention plugging material to fill the effect that the fire prevention piece reaches the fire prevention shutoff.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a fire prevention seal structure of cable through-wall, includes flame retardant coating, threading pipe, fire prevention spare and cable, and fire prevention spare includes that dryer piece and fire prevention are sealed glues, and two dryer pieces are vertical to be established in the one end of threading pipe, and dryer piece central point puts and has seted up the round hole, and the cable in the spool passes the round hole and runs through two dryer pieces, and it has the fire prevention sealed glue to fill between two dryer pieces.

Through adopting above-mentioned technical scheme, the cable runs through the round hole realization transportation electric power's between two dryer pieces function, the cavity intussuseption of formation between dryer piece and the threading pipe inner wall is filled with fire prevention sealant, because a cavity that can make fire prevention sealant gathering has been formed between dryer piece and the threading pipe inner wall, thereby it causes the raw materials extravagant to make fire prevention material can not fall to the unable gathering in bottom of threading pipe inner wall, when the intensity of a fire stretchs to the fire prevention piece along the cable, because the cable periphery packing of fire prevention piece has fire prevention sealant, and fire prevention sealant has nonflammable fire prevention characteristic, make the intensity of a fire can't stretch to the opposite side of wall body along the cable in the fire prevention piece, the effect of using less fire prevention material to fill the fire prevention piece and prevent the intensity.

The utility model discloses further set up to: the outer peripheral face of the threading pipe outside the wall body is provided with a square groove, the square groove penetrates through the pipe wall on one side of the threading pipe, and the square groove is parallel to the axis of the threading pipe and is arranged along the radial direction of the threading pipe.

Through adopting above-mentioned technical scheme, insert the square groove with the dryer piece in, it is intraductal to make two dryer pieces arrange the threading in, and fire prevention sealant can fill between two dryer pieces, has consequently reached the effect that the fire prevention was put.

The utility model discloses further set up to: the wind tube sheet comprises a circular plate and a rotating rod, the circular plate is a metal circular plate, the diameter of the circular plate is equal to or smaller than that of the threading tube, and the rotating rod is fixedly connected to the outer peripheral surface of the circular plate.

Through adopting above-mentioned technical scheme, in inserting the threading pipe with the plectane through the square groove, rotate the dwang of arranging the threading outside in, the axis that makes the plectane that inserts in the square groove and threading pipe is perpendicular to make the cable pass the round hole, and two plectanes have formed the space that can pour into the sealed glue of fire prevention with the threading pipe inner wall.

The utility model discloses further set up to: the peripheral surface of the rotating rod close to the circular plate is fixedly connected with a baffle plate, and the baffle plate is made of deformable elastic material; the side edge of the square groove, which is axially parallel to the threading pipe, is provided with a clamping groove, and one end of the clamping groove is communicated with the square groove.

Through adopting above-mentioned technical scheme, insert the side's inslot with the plectane, rotate the plectane and make it perpendicular with the threading pipe axis, then make the plectane fixed in going into the draw-in groove with the baffle card, reached the fixed effect of fire prevention spare.

The utility model discloses further set up to: the circumferential surface of the threading pipe is provided with glue injection holes, and the glue injection holes are positioned between the two air cylinder pieces.

Through adopting above-mentioned technical scheme, in will sealing fire prevention glue pours into the space of dryer piece and threading pipe inner wall into from the injecting glue hole, because sealing fire prevention glue has the incombustible characteristic, make the intensity of a fire can't pass the fire prevention spare.

The utility model discloses further set up to: the type of the fireproof sealant is expanded fireproof sealant.

By adopting the technical scheme, the expansion type fireproof sealant has more excellent base material adhesive force, not only has excellent flame retardance and high temperature resistance, but also can expand to form a solid and compact carbon layer after a fire disaster, plays a role in preventing flame from spreading and preventing heat from spreading, and greatly prolongs the quality guarantee period of the product.

The utility model discloses further set up to: the threading pipe is a steel pipe, and the outer wall of the threading pipe is coated with fireproof coating.

Through adopting above-mentioned technical scheme, because the fire behavior of steel construction is relatively poor, scribble fire retardant coating at the threading pipe outer wall, improved the fire-resistant of threading pipe, prevent that the threading pipe from buckling, warping when the high temperature, prevent that the intensity of a fire from stretching the threading pipe damage.

The utility model discloses further set up to: the filler is filled between the inner wall of the threading pipe and the cable, and the filler is positioned between the fireproof pieces.

Through adopting above-mentioned technical scheme, the filler is the fire prevention cooling pearl, and when the cable in the wall body took place the spontaneous combustion, when the temperature of cable conductor exceeded the temperature resistant temperature of fire prevention cooling pearl, the shell of fire prevention cooling pearl broke, then the coolant in the fire prevention cooling pearl flows out, reduces the temperature of cable conductor, makes the intensity of a fire unable continuation along the cable conductor stretch.

To sum up, the utility model discloses following technological effect has:

1. the fireproof pieces are arranged on the threading pipes on the two sides of the wall body, so that the fireproof pieces can prevent fire from spreading to the other side of the wall body along cables in the fireproof pieces, and the function of fire partition is realized;

2. the filling piece is arranged in the threading pipe in the wall body, so that when the cable in the wall body burns, the filling piece cools the cable, and the functions of extinguishing fire and preventing fire from spreading are realized;

3. through set up the flame retardant coating in the wall body, realized when the intensity of a fire stretches to the wall body surface, the function that the fire prevention effect through the flame retardant coating made the intensity of a fire unable to stretch.

Drawings

FIG. 1 is a three-dimensional perspective view of the present embodiment;

FIG. 2 is a schematic sectional view of the present embodiment;

fig. 3 is an enlarged schematic view of a in fig. 1.

In the figure, 1, a wall body; 2. a fire barrier layer; 3. a threading tube; 31. a square groove; 32. a card slot; 33. injecting glue holes; 4. a fire-resistant member; 41. a wind barrel sheet; 411. a circular plate; 4111. a circular hole; 412. rotating the rod; 4121. a baffle plate; 42. fireproof sealant; 5. a filling member; 6. an electrical cable.

Detailed Description

As shown in fig. 1, the utility model provides a fire-resistant sealing structure of cable through-wall, including flame retardant coating 2, threading pipe 3, fire prevention 4 and filling member 5, flame retardant coating 2 runs through wall body 1, and threading pipe 3 runs through flame retardant coating 2, wears to be equipped with cable 6 in the threading pipe 3, and fire prevention 4 sets up in the threading pipe 3 that is located wall body 1 both sides, and filling member 5 is filled between threading pipe 3 and cable 6 to filling member 5 is located between fire prevention 4. When a fire disaster occurs in a factory building and spreads to the fireproof part 4, the fireproof part 4 prevents the fire from spreading to the other side of the wall body 1 along the cable 6, and even if the fire disaster spreads to the wall body 1, the fireproof material of the fireproof layer 2 can also block the fire; when the great edge cable 6 of intensity of a fire passes fire prevention 4, the periphery of the cable 6 between fire prevention 4 is filled with filler 5, and filler 5 has the incombustible fire prevention characteristic for the intensity of a fire can't continue to spread.

As shown in fig. 2, the fireproof layer 2 is disposed in the wall 1, the fireproof layer 2 is generally made of fireproof plugging material, such as foam plugging material, the threading pipe 3 is a steel pipe, the filling member 5 is made of fireproof cooling beads (the fireproof cooling beads can be referred to as the utility model patent with the reference number of CN 203559498U), when the fire situation is difficult to control and the cable 6 is ignited or the cable 6 is spontaneously ignited, the temperature of the cable 6 is high, the shell of the waterproof cooling beads is broken due to high temperature, so that the cooling medium in the fireproof cooling beads flows out, the cooling medium is water, coolant or fireproof medicine, the fireproof medium cools the burning cable 6, and the functions of extinguishing fire and preventing the fire from spreading along the cable 6 are realized; still scribble fire protection coating at 3 periphery walls of threading pipe, fire protection coating has strengthened the fire behavior of threading pipe 3, prevents that threading pipe 3 from buckling, warping when the high temperature, prevents that the intensity of a fire from stretching to damage threading pipe 3.

As shown in fig. 2, the fireproof part 4 comprises an air duct piece 41 and fireproof sealant 42, wherein the air duct piece 41 is vertically arranged in the threading pipe 3 on the outer side of the wall 1; as shown in fig. 3, a square groove 31 is formed in the outer peripheral surface of the threading tube 3, the square groove 31 penetrates through the tube wall on one side of the threading tube 3, the square groove 31 is parallel to the axis of the threading tube 3 and is radially arranged on the threading tube 3, a clamping groove 32 is further formed in the side edge on one side of the square groove 31, one end of the clamping groove 32 is communicated with and perpendicular to the square groove 31, the other end of the clamping groove 32 is closed, and the cross section of the clamping groove 32 is rectangular; the wind barrel plate 41 comprises a circular plate 411 and a rotating rod 412, the rotating rod 412 is fixedly connected to the circumferential surface of the circular plate 411, a circular hole 4111 is formed in the center of the circular plate 411, the diameter of the circular hole 4111 is larger than the diameter of the cable 6, the diameter of the circular plate 411 is smaller than or equal to the diameter of the inner side wall of the threading pipe 3, the rotating rod 412 is a metal rod, a baffle 4121 is fixedly connected to the circumferential surface of the rotating rod 412, the baffle 4121 is located on the circumferential surface of one end, close to the circular plate 411, of the rotating rod 412 and located on the same plane as the circular plate 411, and the baffle 4121.

The wind tube sheet 41 is inserted into the square groove 31, then the rotating rod 412 is rotated until the circular plate 411 is vertical to the axis of the threading pipe 3, because the baffle 4121 is made of deformable elastic material, the baffle 4121 can be inserted into the clamping groove 32, so that the wind cylinder pieces 41 are fixed in the threading pipe 3, the cable 6 penetrates through the circular holes 4111 of the two wind cylinder pieces 41, a glue injection hole 33 is also vertically arranged on the outer wall of the threading pipe 3, the glue injection hole 33 is positioned between the two air duct pieces 41, the fireproof sealant 42 is injected into the space formed between the two circular plates 411 and the inner wall of the threading pipe 3 through the glue injection hole 33, because two wind barrel pieces 41 and the inner wall of the threading pipe 3 between form a cavity of both ends and global shutoff, the sealed glue 42 of fire prevention fills up the cavity, can not cause the sealed glue 42 of most fire prevention to pile up the condition in the inner wall bottom of the threading pipe 3, has realized saving the effect of fire prevention putty when preventing fires through the fire prevention piece 4.

Preferably, the fireproof sealant 42 is an expansion type fireproof sealant (the expansion type fireproof sealant can be referred to in patent of invention with reference to document No. CN 105820793B), the expansion type fireproof sealant has more excellent base material adhesion, not only has excellent flame retardance and high temperature resistance, but also can expand to form a solid and compact carbon layer after a fire disaster occurs, so as to prevent flame from spreading and prevent heat from spreading, the shelf life of the product is greatly prolonged, and the effects of ensuring better fireproof performance of the fireproof part 4 and preventing fire from spreading are realized.

The utility model discloses a theory of operation does:

when a fire disaster occurs in a factory building and the fire spreads to the fireproof part 4 along the cable 6, the fireproof sealant 42 is filled at the periphery of the cable 6 in the fireproof part 4, so that the cable 6 cannot spread to the other side of the wall 1 along the fireproof part 4; even if the intensity of a fire passes fire prevention 4 along cable 6 and when reaching the cable 6 of wall body 1, because be equipped with filler 5 between the poling line in the wall body 1 and cable 6, filler 5 can break when meetting high temperature, leads to coolant to flow out, extinguishes the cable 6 of burning, and the intensity of a fire also can't spread to wall body 1 opposite side.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a fire prevention seal structure of cable through-wall, including flame retardant coating (2), threading pipe (3), fire prevention spare (4) and cable (6), a serial communication port, fire prevention spare (4) are including wind barrel piece (41) and sealed glue (42) of fire prevention, two wind barrel pieces (41) are vertical to be established in the one end of threading pipe (3), round hole (4111) have been seted up on wind barrel piece (41), cable (6) in threading pipe (3) run through two wind barrel pieces (41) through round hole (4111), it has sealed glue (42) of fire prevention to fill between two wind barrel pieces (41).

2. The cable wall-penetrating fireproof sealing structure according to claim 1, wherein a square groove (31) is formed in the outer peripheral surface of the threading pipe (3) on the outer side of the wall body, the square groove (31) penetrates through the pipe wall on one side of the threading pipe (3), and the square groove (31) is parallel to the axis of the threading pipe (3) and is arranged along the radial direction of the threading pipe (3).

3. The fire-proof sealing structure of cable through-wall according to claim 2, characterized in that the air duct piece (41) comprises a circular plate (411) and a rotating rod (412), the circular plate (411) is a metal circular plate (411), the diameter of the circular plate (411) is equal to or smaller than the diameter of the conduit (3), and the rotating rod (412) is fixedly connected to the outer peripheral surface of the circular plate (411).

4. The fire-proof sealing structure of the cable wall penetration according to the claim 3 is characterized in that the peripheral surface of the rotating rod (412) close to the round plate (411) is fixedly connected with a baffle plate (4121), and the baffle plate (4121) is made of deformable elastic material; a clamping groove (32) is formed in the side edge, axially parallel to the threading pipe (3), of the square groove (31), and one end of the clamping groove (32) is communicated with the square groove (31).

5. The fire-proof sealing structure of a cable through-wall according to claim 4, characterized in that the circumferential surface of the threading pipe (3) is provided with a glue injection hole (33), and the glue injection hole (33) is positioned between the two air duct pieces (41).

6. The fire-resistant sealing structure of cable through-wall according to claim 1, wherein the fire-resistant sealant (42) is an intumescent fire-resistant sealant.

7. The cable through-wall fireproof sealing structure according to claim 1, wherein the conduit (3) is a steel pipe, and the outer wall of the conduit (3) is coated with fireproof paint.

8. The fire-proof sealing structure of the cable through-wall according to claim 1, characterized in that the space between the inner wall of the threading pipe (3) and the cable (6) is filled with the filling member (5), and the filling member (5) is located between the fire-proof members (4).

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