阅读说明：本技术 一种卷帘式自动防火封堵装置 (Automatic fire prevention plugging device of curtain formula ) 是由 张文华 邓小波 李景海 夏昌江 卢绍娟 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种卷帘式自动防火封堵装置,包括框架和迎火封堵板,迎火封堵板朝向贯穿孔洞布置,贯穿物孔洞内分别固定穿设有若干个不同形状的贯穿物,框架由封堵驱动装置控制移动于建筑墙面上,框架上依次布置有多个封堵体,且相邻两个封堵体间隔有贯穿物,每个封堵体上分别滑动连接有若干个封堵块,且每个贯穿物的两侧分别布置有一个可相对移动的封堵块,框架上对应每个封堵块分别设有多组行程开关,且每组行程开关的触头分别对应封堵块的两个极限位移点布置。本发明,将开放的建筑贯穿物异型孔洞在短时间内自动关闭,广泛适用于各类建筑贯穿物孔洞,尤其是多种贯穿物常开孔洞的防火封堵应用。(The invention discloses a rolling curtain type automatic fireproof blocking device, which comprises a frame and an ignition-facing blocking plate, wherein the ignition-facing blocking plate is arranged towards a through hole, a plurality of penetrations with different shapes are respectively and fixedly arranged in the through hole, the frame is controlled by a blocking driving device to move on a building wall surface, a plurality of blocking bodies are sequentially arranged on the frame, the penetrations are arranged between two adjacent blocking bodies, each blocking body is respectively connected with a plurality of blocking blocks in a sliding mode, two sides of each penetration are respectively provided with a blocking block capable of moving relatively, a plurality of groups of stroke switches are respectively arranged on the frame corresponding to each blocking block, and contacts of each group of stroke switches are respectively arranged corresponding to two limit displacement points of each blocking block. The invention can automatically close the open special-shaped holes of the building penetrations in a short time, and is widely applied to the fireproof sealing of various building penetrations, in particular to the normally open holes of various penetrations.)

1. A rolling curtain type automatic fireproof blocking device is characterized by comprising a frame and fire-facing blocking plates embedded in the frame, wherein the shape of the frame is matched with that of a through hole on a building wall surface, a plurality of through objects with different shapes are fixedly arranged in the through hole respectively, a plurality of openings are respectively arranged at positions, corresponding to each through object, of the frame, the fire-facing blocking plates are arranged towards the through hole, the frame is controlled by a blocking driving device to move on the building wall surface, a plurality of blocking bodies are sequentially arranged on the frame, a through object is arranged between every two adjacent blocking bodies, a plurality of blocking blocks are respectively connected on each blocking body in a sliding mode, one blocking block capable of moving relatively is respectively arranged on each side of each through object, a plurality of groups of travel switches are respectively arranged on the frame corresponding to each blocking block, and each group of travel switch contacts are respectively arranged corresponding to two limit displacement points of the plugging block, a fire retardant material box with built-in fire retardant materials is fixedly arranged on the frame, a package made of non-fire-resistant materials is arranged at the bottom of the fire retardant material box, and the fire retardant material box faces towards a penetrating object and is arranged above the plugging body.

2. The rolling shutter type automatic fireproof blocking device according to claim 1, wherein the blocking driving device comprises a rolling shutter door retraction box fixed on a building wall surface, a scroll motor is arranged in the rolling shutter door retraction box, the scroll motor is connected with a rolling shutter door, the frame is fixed at the lower end of the rolling shutter door, the scroll motor is connected to an external fire alarm automatic control device, a lower fire-facing travel switch and an upper fire-facing travel switch are respectively fixed at the upper end and the lower end of the frame, and the lower fire-facing travel switch and the upper fire-facing travel switch respectively correspond to the limit displacement points of the rolling shutter door.

3. The rolling automatic fireproof sealing device of claim 1, wherein the frame is provided with a double-layer track corresponding to the upper and lower sides of each sealing body, the upper and lower sides of each sealing block are respectively rotatably provided with a guide wheel embedded in the corresponding track, and the sealing blocks are slidably connected along the tracks through the corresponding guide wheels.

4. A rolling shutter type automatic fire-proof sealing device as claimed in claim 3, wherein the end sections of the rails are respectively bent integrally toward the corresponding through-object holes to form limit rails.

5. The rolling automatic fire-proof blocking device of claim 1, wherein each blocking body is provided with a push rod for driving the corresponding blocking block to slide, and each push rod is connected to an external automatic fire alarm control device.

6. A rolling shutter type automatic fireproof sealing device as claimed in claim 5, wherein two ends of the push rod are respectively connected between two adjacent corresponding sealing blocks, or between the corresponding sealing body and the sealing block.

7. The rolling automatic fireproof sealing device of claim 1, wherein each sealing block is fixed with an elastic fireproof material towards the corresponding penetrating object, and the elastic fireproof material is matched with the shape of the corresponding penetrating object.

8. The rolling automatic fireproof sealing device of claim 1, wherein the cross section of the penetration is T-shaped, I-shaped or L-shaped.

9. A rolling shutter type automatic fire-retardant sealing device according to claim 1, wherein said frame and said sealing plate are provided in two or more sets parallel to each other and having the same component configuration.

Technical Field

The invention relates to the technical field of fireproof and fire-retardant equipment, in particular to a roller shutter type automatic fireproof plugging device.

Background

The fireproof plugging for the through hole in the current market cannot be realized by adopting a rolling door, the fireproof materials such as cement, fireproof mud, fireproof blocking materials and fireproof bags which are mainly used at present need to be plugged into the through hole, or the fireproof requirements are destructively met, but the normally-open through hole cannot be realized, and the fireproof plugging problem which puzzles the through hole is always solved.

In summary, there is a need to design a new automatic fireproof plugging device for building openings with various special-shaped penetrations, which not only saves cost, but also achieves the purposes of fire prevention and fire retardation, and improves the safety fire-proof coefficient and efficiency.

Disclosure of Invention

The invention aims to solve the technical problem that a quick and effective roller shutter type fireproof plugging device is lacked in the current market.

In order to solve the technical problems, the invention adopts the technical scheme that a rolling curtain type automatic fireproof plugging device is provided, and the rolling curtain type automatic fireproof plugging device comprises a frame and a fire-facing plugging plate embedded in the frame, wherein the shape of the frame is matched with the shape of a through object hole on a building wall surface, a plurality of through objects in different shapes are respectively and fixedly arranged in the through object hole, a plurality of openings are respectively arranged at positions of the frame corresponding to the through objects, the fire-facing plugging plate is arranged towards the through object hole, the frame is controlled by a plugging driving device to move on the building wall surface, a plurality of plugging bodies are sequentially arranged on the frame, a through object is arranged between every two adjacent plugging bodies, a plurality of plugging blocks are respectively connected on each plugging body in a sliding manner, one plugging block capable of moving relatively is respectively arranged at two sides of each through object, a plurality of groups of travel switches are respectively arranged on the frame corresponding to each plugging block, and each group of travel switch contacts are respectively arranged corresponding to two limit displacement points of the plugging block, a fire retardant material box with built-in fire retardant materials is fixedly arranged on the frame, a package made of non-fire-resistant materials is arranged at the bottom of the fire retardant material box, and the fire retardant material box faces towards a penetrating object and is arranged above the plugging body.

In the above scheme, the blocking driving device comprises a rolling door retracting box fixed on the building wall surface, a scroll motor is arranged in the rolling door retracting box, the scroll motor is connected with a rolling door, the frame is fixed at the lower end of the rolling door, the scroll motor is connected with an external fire alarm automatic control device, the upper end and the lower end of the frame are respectively fixed with a down-stroke switch of the fire-facing surface and an up-stroke switch of the fire-facing surface, and the down-stroke switch of the fire-facing surface and the up-stroke switch of the fire-facing surface respectively correspond to the limit displacement points of the rolling door.

In the above scheme, a double-layer track is respectively arranged on the frame corresponding to the upper side and the lower side of each plugging body, guide wheels embedded in the corresponding tracks are respectively rotatably arranged on the upper side and the lower side of each plugging block, and the plugging blocks are slidably connected along the tracks through the corresponding guide wheels.

In the scheme, the tail sections of the rails are bent towards the corresponding object penetrating holes respectively and integrally to form the limiting rails.

In the above scheme, each plugging body is provided with a push rod for driving the corresponding plugging block to slide, and each push rod is connected with an external fire alarm automatic control device.

In the above scheme, two ends of the push rod are respectively connected between the two adjacent corresponding plugging blocks, or connected between the corresponding plugging body and the plugging block.

In the scheme, one side of each blocking block, which faces to the corresponding penetrating object, is fixedly provided with an elastic fireproof material, and the elastic fireproof material is matched with the shape of the corresponding penetrating object.

In the above scheme, the cross-sectional shape of the penetration is T-shaped, I-shaped or L-shaped.

In the above solution, the frame and the closure plate may be provided in two or more sets parallel to each other and having the same component configuration.

According to the invention, the roller shutter type automatic fireproof blocking device is adopted to automatically close the open irregular holes of the building penetrations in a short time, so that the fireproof blocking effect is achieved, the problem that the roller shutter door cannot block the holes of the buildings penetrations for many years is solved, and the roller shutter type automatic fireproof blocking device is widely applied to the fireproof blocking of various building penetrations, especially the fireproof blocking of various normally open holes of the penetrations.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a left side view of fig. 1.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings.

The invention discloses a rolling curtain type automatic fireproof blocking device, which can be realized by appropriately improving process parameters by taking the contents of the text as reference by technical personnel in the field. It is expressly intended that all such alterations and modifications which are obvious to those skilled in the art are deemed to be incorporated herein by reference, and that the techniques of the invention may be practiced and applied by those skilled in the art without departing from the spirit, scope and range of equivalents of the invention.

In the present invention, unless otherwise defined, scientific and technical terms used herein have the meanings that are commonly understood by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

As shown in fig. 1 to 4, the rolling shutter type automatic fireproof plugging device provided by the invention comprises a frame 1 and an incident fire plugging plate 53 embedded in the frame 1, wherein the incident fire plugging plate 53 is arranged towards a through hole, the shape of the frame 1 is matched with the shapes of a plurality of penetrations on a building wall surface, the frame 1 is respectively provided with a plurality of openings corresponding to the penetrations, a plurality of penetrations in different shapes are respectively fixed in the through hole, and the cross section of the penetrations can be in a T shape, an I shape, an L shape or other shapes.

Frame 1 is controlled by shutoff drive arrangement and is removed on roller shutter door lower extreme, the parallel arrangement has a plurality of shutoff bodies in proper order on frame 1, and two adjacent shutoff body intervals have a through-material, sliding connection has a plurality of shutoff piece respectively on every shutoff body, and the both sides of every through-material have arranged a relative movement's shutoff piece respectively, it is equipped with multiunit travel switch respectively to correspond every shutoff piece on frame 1, and two limit displacement points that every group travel switch's contact corresponds the shutoff piece respectively arrange.

The concrete structure of the frame 1 is as shown in fig. 2 and fig. 3, a first blocking body 2, a second blocking body 13, a third blocking body 21 and a fourth blocking body 33 are sequentially arranged on the frame 1 in parallel, the frame 1 is arranged around the periphery of a building penetrating object and is provided with a plurality of openings below, and a plurality of special-shaped penetrating objects T-shaped rails 52, I-shaped rails 44 and L-shaped rails 36 are fixedly arranged in through holes in the wall surface of the building respectively in a penetrating manner.

A first elastic fireproof material 64 is fixedly arranged on one side, close to a corresponding penetrating object, of the first blocking block 8 on the first blocking body 2; a second elastic fireproof material 65 and a third elastic fireproof material 15 are respectively fixedly arranged on one sides, close to corresponding penetrations, of the second blocking block 9 and the third blocking block 16 on the second blocking body 13; a fourth elastic fireproof material 67 and a fifth elastic fireproof material 79 are respectively and fixedly arranged on one sides of the fourth blocking block 17 and the fifth blocking block 23 on the third blocking body 21, which are close to the corresponding penetrations, and a sixth elastic fireproof material 24 is fixedly arranged on one side of the sixth blocking block 25 on the fourth blocking body 33, which is close to the corresponding penetrations.

A first double-layer track 7, a second track 12, a third track 19 and a fourth track 34 are respectively arranged on the upper and lower sides of the frame 1 corresponding to the first blocking body 2, the second blocking body 13, the third blocking body 21 and the fourth blocking body 33, a first guide wheel 6 embedded in the first track 7 is respectively arranged on the upper and lower sides of the first blocking block 8, a second guide wheel 10 embedded in the second track 12 is respectively arranged on the upper and lower sides of the second blocking block 9, a third guide wheel 14 embedded in the second track 12 is respectively arranged on the upper and lower sides of the third blocking block 16, a fourth guide wheel 18 embedded in the third track 19 is respectively arranged on the upper and lower sides of the fourth blocking block 17, a fifth guide wheel 22 embedded in the third track 19 is respectively arranged on the upper and lower sides of the fifth blocking block 23, and a sixth guide wheel 26 embedded in the fourth track 34 is respectively arranged on the upper and lower sides of the sixth blocking block 25, in this way, the first block body 2 can be connected in a sliding manner along the first rail 7 by means of the first guide wheel 6, and in a similar manner, the second block piece 9 and the third block piece 16 are connected in a relatively opposite sliding manner along the second rail 12 by means of the second guide wheel 10 and the third guide wheel 14, respectively; the fourth block 17 and the fifth block 23 are slidably connected in opposite directions along the third track 19 by the fourth guide wheel 18 and the fifth guide wheel 22, respectively, and the sixth block 25 is slidably connected along the fourth track 34 by the sixth guide wheel 26.

Further preferably, the end sections of the first rail 7 and the fourth rail 34 are integrally bent towards the building through hole to form a first limit rail 27 and a fourth limit rail 54, respectively; the ends of the two ends of the second rail 12 and the third rail 19 respectively face the building penetration hole and are integrally bent to form a second limiting rail 37 and a third limiting rail 50, so that each blocking block can be tightly attached to the penetration to realize better sealing and blocking.

Furthermore, the first blocking block 8 and the second blocking block 9 are respectively movably arranged on the left side and the right side of the building penetration (T-shaped track 52), the first elastic fireproof material 64 and the second elastic fireproof material 65 are respectively jointed and then are matched and coated on the appearance of the penetration (T-shaped track 52) along with the movement of the first blocking block 8 and the second blocking block 9, the third blocking block 16 and the fourth blocking block 17 are respectively movably arranged on the left side and the right side of the building penetration (I-shaped track 44), the third elastic fireproof material 15 and the fourth elastic fireproof material 67 are respectively jointed and then are matched and coated on the appearance of the penetration (I-shaped track 44) along with the movement of the third blocking block 16 and the fourth blocking block 17, the fifth blocking block 23 and the sixth blocking block 25 are respectively movably arranged on the left side and the right side of the building penetration (L-shaped track 36), the fifth elastic fireproof material 79 and the sixth elastic fireproof material 24 are respectively jointed and then are coated on the left side and the right side of the building penetration (L-shaped track 36) along with the movement of the fifth blocking block 23 and the sixth blocking block 25 (L-shaped rails 36).

The first block body 2 is provided with a first rail mount 59 for mounting the first rail 7; the second blocking body 13 is provided with a second track frame 11 for mounting a second track 12, the third blocking block 16 is provided with a third track frame 20 for mounting a third track 7, and the fourth blocking body 33 is provided with a fourth track frame 28 for mounting a fourth track 34.

The first blocking body 8 is provided with a first push rod front base 5 used for connecting a first push rod 4, the first blocking body 2 is provided with a first push rod rear base 56 used for connecting the first push rod 4, the second blocking body 9 is provided with a second push rod rear base 46 used for connecting a second push rod 47, the third blocking body 16 is provided with a second push rod front base 45 used for connecting the second push rod 47, the fourth blocking body 17 is provided with a third push rod rear base 42 used for connecting a third push rod 41, the fifth blocking body 23 is provided with a third push rod front base 39 used for connecting the third push rod 41, the sixth blocking body 25 is provided with a fourth push rod front base 29 used for connecting a fourth push rod 30, and the fourth blocking body 33 is provided with a fourth push rod rear base 31 used for connecting the fourth push rod 30.

Thus, the first plugging body 2 is hinged to the first push rod 4, and the other end of the first push rod 4 is hinged to the first plugging block 8; the sixth plugging block 25 is hinged to the fourth push rod 30, and the other end of the fourth push rod 30 is hinged to the fourth plugging body 33; a second push rod 47 and a third push rod 41 are respectively arranged on the second blocking body 13 and the third blocking body 21, and the second push rod 47 is hinged with the second blocking block 9 and the third blocking block 16; the third push rod 41 is hinged with the fourth blocking block 17 and the fifth blocking block 23; the fourth blocking body 33 is hinged to the fourth push rod 30, and the other end of the fourth push rod 30 is hinged to the sixth blocking block 25.

That is, the first push rod 4, the second push rod 47, the third push rod 41 and the fourth push rod 30 can simultaneously and electrically drive the first blocking block 8, the second blocking block 9, the third blocking block 16, the fourth blocking block 17, the fifth blocking block 23 and the sixth blocking block 25 to block or reversely loosen the building hole outside the penetrating object.

Further preferably, the first blocking body 2, the second blocking body 13, the third blocking body 21 and the fourth blocking body 33 are respectively fixed with a first travel switch 3 and a second travel switch 51; a third travel switch 49, a fourth travel switch 48, a fifth travel switch 78; a sixth travel switch 43, a seventh travel switch 40, an eighth travel switch 38; a ninth travel switch 35, a tenth travel switch 32.

Wherein, the contacts of the first travel switch 3 and the second travel switch 51 are respectively arranged corresponding to two limit displacement points of the first blocking block 8; the contacts of the third stroke switch 49, the fourth stroke switch 48 and the fifth stroke switch 78 are respectively arranged corresponding to two limit displacement points of the second blocking block 9 and the third blocking block 16; the contacts of the sixth travel switch 43, the seventh travel switch 40 and the eighth travel switch 38 are arranged corresponding to the limit displacement points of the fourth blocking block 17 and the fifth blocking block 23, respectively; the contacts of the ninth and tenth travel switches 35, 32 are arranged corresponding to the limit displacement point of the sixth block 25.

In order to further play the effect of thoroughly putting out a fire and stopping a fire, still fix the back-fire relief material box 80 that is equipped with built-in back-fire relief material 81 on the frame 1, back-fire relief material box 80 is towards the penetrator and arrange in the top of the vertical direction of each shutoff body, back-fire relief material box 80's bottom is equipped with non-fire-resistant material's hot melt cloth 83 and steel mesh 82 in proper order, hot melt cloth 83 breaks out when meeting the fire, back-fire relief material 81 will be followed and is fallen down and put out the naked light like this in back-fire relief material box 80, this kind of setting is effectively avoided in case the circumstances that the situation of fire stretchs takes place when the shutoff body became invalid, the effect of back-fire relief dual fail safe has been played.

As shown in fig. 1 to 4, the structure of the plugging driving device of the present invention includes a rolling door retraction box 70 fixed on the wall surface of the building, a main board 57 and a scroll motor 60 are disposed in the rolling door retraction box 70, the scroll motor 60 is connected to a rolling door 58 through a scroll 61, a plurality of wire ropes 71 are disposed in the rolling door 58, the lower end of the rolling door is fixed to the frame 1, and the upper end of the rolling door is fixed to the scroll 61 to support the frame 1. The two sides of the frame 1 are respectively provided with a blocking plate guide wheel 77 in a rotating mode, so that the frame 1 is limited to move in a specified direction, the rolling door 58 and the frame 1 fixed below the rolling door 58 are limited by the blocking plate guide wheels 77 and move up and down along with the rolling shaft 61 under the action of the rolling shaft motor 60, the upper portion and the lower portion of the frame 1 are respectively fixed with a fire-facing surface down travel switch 68 and a fire-facing surface up travel switch 69, and the fire-facing surface down travel switch 68 and the fire-facing surface up travel switch 69 are respectively arranged corresponding to limit displacement points of the rolling door 58. The reel motor 60, the first push rod 4, the second push rod 47, the third push rod 41 and the fourth push rod 30 are connected to an external fire alarm automatic control device, and preferably, the frame and the blocking plate can be arranged in two groups parallel to each other and have the same component configuration.

The working mode of the invention has the following using principle and working process:

when smoke alarm occurs in fire, the automatic fire alarm control device automatically or manually starts the scroll motor 60 to sequentially drive the scroll 61 to put down the roller door 58 and the frame 1 and move along the direction of the blocking plate guide wheel 77, when the down stroke switch 68 on the fire-facing surface moves to the ground, the first push rod 4, the second push rod 47, the third push rod 41 and the fourth push rod 30 are triggered to extend out, the first blocking block 8 and the second blocking block 9 are simultaneously driven to approach towards each other, the third blocking block 16 and the fourth blocking block 17 approach towards each other, the fifth blocking block 23 and the sixth blocking block 25 approach towards each limit rail, each blocking block respectively approaches the fire-facing blocking plate 53 embedded in the compression frame 1, and simultaneously the first elastic fireproof material 64 and the second elastic fireproof material 65 respectively engage with the appearance of the penetration object (T-shaped rail 52) after being abutted with the opposite movement of the first blocking block 8 and the second blocking block 9, the third elastic fireproof material 15 and the fourth elastic fireproof material 67 are butted along with the opposite movement of the third blocking block 16 and the fourth blocking block 17 respectively and then are matched and coated on the appearance of the penetrating object (I-shaped track 44), the fifth elastic fireproof material 79 and the sixth elastic fireproof material 24 are butted along with the opposite movement of the fifth blocking block 23 and the sixth blocking block 25 respectively and then are matched and coated on the appearance of the penetrating object (L-shaped track 36), the first blocking piece 8 touches the second travel switch 51, the second blocking piece 9 touches the third travel switch 49, the third blocking piece 16 touches the fifth travel switch 78, the fourth blocking piece 17 touches the sixth travel switch 43, the fifth blocking piece 23 touches the eighth travel switch 38, the sixth blocking piece 25 touches the ninth travel switch 35, at this time, and stopping extending the first push rod 4, the second push rod 47, the third push rod 41 and the fourth push rod 30 to finish plugging the through hole of the building.

Similarly, when the fire alarm is relieved, the automatic fire alarm control device automatically or manually starts the first push rod 4, the second push rod 47, the third push rod 41 and the fourth push rod 30 to retract, simultaneously drives the first blocking block 8 and the second blocking block 9 to move reversely, the third blocking block 16 and the fourth blocking block 17 to move reversely, when the fifth blocking block 23 and the sixth blocking block 25 move reversely out of the limit rails, each blocking block is separated from the fire facing blocking plate 53 embedded in the frame 1, simultaneously the first elastic fireproof material 64 and the second elastic fireproof material 65 are separated from the appearance of the wedged and coated penetrating object (T-shaped rail 52) along with the reverse movement of the first blocking block 8 and the second blocking block 9, the third elastic fireproof material 15 and the fourth elastic fireproof material 67 are separated from the appearance of the wedged and coated penetrating object (I-shaped rail 44) along with the reverse movement of the third blocking block 16 and the fourth blocking block 17, after the fifth elastic fireproof material 79 and the sixth elastic fireproof material 24 respectively separate from the appearance of the matched and coated penetration object (L-shaped track 36) along with the reverse movement of the fifth blocking block 23 and the sixth blocking block 25, the first blocking block 8 triggers the first travel switch 3, the second blocking block 9 triggers the fourth travel switch 48, the fifth blocking block 23 triggers the seventh travel switch 40, and the sixth blocking block 25 triggers the tenth travel switch 32, at this time, the first push rod 4, the second push rod 47, the third push rod 41, and the fourth push rod 30 stop retracting, the penetration object is opened, the reel motor 60 is started to drive the reel 61 to retract the rolling door 58 along the blocking plate guide wheel 77, and when the travel switch 69 on the fire-facing surface reaches the limit position, the reel motor 60 stops, and the complete opening of the building penetration hole is completed.

According to the invention, a first plugging body 2, a second plugging body 13, a third plugging body 21 and a fourth plugging body 33; a first blocking block 8, a second blocking block 9, a third blocking block 16, a fourth blocking block 17, a fifth blocking block 23, a sixth blocking block 25; a first push rod 4, a second push rod 47, a third push rod 41 and a fourth push rod 30; a first elastic fireproof material 64, a second elastic fireproof material 65, a second elastic fireproof material 67, a fourth elastic fireproof material 67, a fifth elastic fireproof material 79 and a sixth elastic fireproof material 24; a first rail 7, a second rail 12, a third rail 19, a fourth rail 34; a first guide wheel 6, a second guide wheel 10, a third guide wheel 14, a fourth guide wheel 18, a fifth guide wheel 22 and a sixth guide wheel 26; related parts such as the first limit rail 27, the fourth limit rail 54, the second limit rail 37, the third limit rail 50 and the like can be respectively designed into a plurality of groups according to requirements, and each installation position can be designed according to actual requirements so as to achieve the purpose of plugging a plurality of penetrations in a plurality of building holes.

The invention is suitable for special building penetration holes, logistics transmission system holes, rail logistics transmission system holes, power industry and tunnels, fireproof isolation areas and the like, and particularly has great effect on various penetration hole systems.

According to the invention, the roller shutter type automatic fireproof blocking device is adopted to automatically close the open irregular holes of the building penetrations in a short time, so that the fireproof blocking effect is achieved, the problem that the roller shutter door cannot block the holes of the buildings penetrations for many years is solved, and the roller shutter type automatic fireproof blocking device is widely applied to the fireproof blocking of various building penetrations, especially the fireproof blocking of various normally open holes of the penetrations.

The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which has the same or similar technical solutions as the present invention.