TWM530876U - Smoke shield airtight structure of fireproof rolling door guide rail - Google Patents

Description

Fireproof roll door door rail smoke blocking airtight structure

This creation is about a kind of fireproof roll door door rail smoke-proof airtight structure which can effectively improve the effect and ability of fire shutter door.

According to the urban population density, in order to solve the needs of living and office, urban buildings can only develop towards high floors, but high floors have unresolved bottlenecks in public safety, especially in the event of a fire. The range that can be reached due to the fire truck ladder also has its limits. For this reason, in modern building planning, the safety of fire prevention must be taken into account; especially for large-area public buildings, fire-proof rolling doors are mostly used as fire-proof partitions. The main reason is that fire-proof rolling doors are easy to handle, and It will affect the vision of the space and facilitate the access of people, goods and vehicles. When a fire occurs, it can be combined with the detection of the automatic sensing system to timely release the fireproof roll door to block the spread of the fire source, effectively ensuring the safe evacuation of personnel and reducing the fire damage.

The structure of the fireproof roll door, such as the new patent of the Republic of China Certificate No. 174063 "Fireproof roll door structure improvement", the Republic of China certificate No. M321937 "Fireproof roll door structure improvement" new patent, is built in a chassis A reel is usually wound by a plurality of heat-resistant rolling shutters which are connected in series on the reel. When a fire occurs, the rolling door can be sequentially lowered from the inside of the chassis along a pair of guide rails to form a fire door curtain. The door piece is filled with a heat-blocking effect of the heat-insulating material, so that the entire fire door curtain has a blocking effect on the spread of the fire; however, the fire is emitted. The scene of the birth (fire field), the burning of the goods is not only the formation of the fire, but also the situation that the hot air is entrained with heavy smoke everywhere; the rolling door of the fire-proof rolling door has the fire or heat temperature of the fire. The ability to block, only the guide rails on both sides of the roll door, between the guide port and the roll door (surface) (in order to consider that the roll door can freely move in the guide port) there is no small gap Or gap, which makes the hot air and smoke on one side of the fire, easy to flow from the gap or gap of the guide port through the guide rail to the other side of the roll door, except for the impact of the person's escape sight, if it is toxic smoke, It is possible to cause escaped people to suffocate and reduce escape opportunities.

The main purpose of the present invention is to provide a fireproof roll door door rail smoke-tight structure, which is a fireproof roll door, which is provided with a reel in a casing, and the reel is wound with a plurality of heat-insulating coils connected in series. a door piece, the heat-resistant roll door is filled with a heat-insulating material, and can be lowered by the rotation of the roll along a track of a pair of door rails to form a fire door curtain; the improvement is that the upper end of the pair of door rails is inside the chassis Each of the swing arms is pivotally connected to a telescopic rod of a telescopic actuator, and the other end is pivotally connected with a pull rod; the end of the pull rod extends downwardly from the inside of the chassis into the door. a plurality of clips and a clamping rod are disposed on the rail side of the rail rail; the clipper includes a U-shaped fixing seat, at least one supporting arm and at least one movable arm; The U-shaped fixing seat is fixed on the inner wall surface of the rail side of the door rail, and has a pair of fixing panels, and a pair of fixing chambers are formed between the pair of fixing panels, and the board faces are respectively provided on the board surface. There is an opposite active guiding slot for the activity The guiding slot has a movable hole portion and a straight hole-shaped guiding hole portion; the supporting arm is received in the housing of the U-shaped fixing seat, and a first pivoting rod is pivotally disposed at one end thereof The pair of fixed panels form a support, and the other end is opposite to the movable hole portion of the movable guiding slot, and one end is disposed on the movable hole portion, and the rod body a second pivoting rod extending through the pull rod; the movable arm is disposed in the chamber of the U-shaped fixing base, and one end is pivotally connected to the supporting arm in a V-shaped manner on the second pivoting rod, The other end is formed with a head portion, and a guiding hole portion of the head opposite to the movable guiding slot is provided with a plug hole; the clamping rod is embedded in the chamber of the U-shaped fixing seat, Having a clamping plate surface, the inner edge of the clamping plate surface has a receiving space for receiving the movable arm head, and both sides of the receiving space are provided with a consistent perforation with respect to the insertion hole on the head, and the through hole is A spigot passing through the spigot hole is disposed, and the two ends of the spigot are erected on the guiding hole portion of the movable guiding slot to fix the nip bar at the U-shaped fixing seat The panel can be guided by the guiding hole of the movable guiding slot to perform horizontal displacement of the front and rear; when the fire occurs, the heat-resistant rolling shutter is laid down along the track of the door rail under the rotation of the reel to form a The fire door curtain only needs to be moved by one end of the swing arm through the telescopic rod of the telescopic actuator in the chassis, so that the swing arm The other end is linked to the pull rod; the second pivot rod at the position of the support arm and the movable arm pivoting portion of each clamp in the door rail is pinned by the pull rod, and the first pivot rod is centered along the movable guide When the movable hole portion of the slot hole is movable, when the height of the second pivot rod is equal to the center height of the first pivot rod, and the support arm and the movable arm are horizontally extended from each other, the second pivot rod supported by the support arm can be The movable arm generates a thrust force on the insertion end, so that the insertion pin horizontally displaced along the guiding hole portion drives the clamping rod to advance in the direction of the rail of the door rail, so that the clamping plate surface of the clamping rod is in the heat-resistant rolling sheet. Clamping on one surface, closing the gap or gap between the track of the door rail and the heat-resisting roll door, preventing the hot air and smoke on one side of the fire from flowing through the door rail to the other side of the fire, lifting or increasing the fire prevention The smoke-blocking effect and function of the rolling door.

The second objective of the present invention is to provide a fireproof roll door door rail smoke-tight structure, wherein the U-shaped fixing seat of the clamp is pivoted by the first pivot rod on the pair of fixed panels Providing the support arm and a second support arm, the support arm and the other end of the second support arm, The movable arm and the pull rod are pivotally connected together by the second pivoting rod, and a second movable arm is also pivotally connected, and the other end of the second movable arm is opposite to the head and the insertion end of the movable arm. The hole is formed with a head portion and a spigot hole, and the spigot is inserted into the through hole of the nip bar and penetrates the insertion hole of the movable arm and the second movable arm together in the accommodating space; The pull rod can pull up and down between the movable arm and the second movable arm to push the second pivoting rod to move on the movable hole of the movable guiding slot, so that the two ends of the second pivoting rod can be removed from the supporting arm And the second support arm is supported by the average force, and is further capable of horizontally shifting the insertion tip on the guiding hole of the movable guiding slot by the common thrust of the movable arm and the second movable arm. , causing the insertion of the pin to the clamping bar, so that the clamping plate surface can get a smooth effect of entering and leaving the track.

A further object of the present invention is to provide a fireproof roll door door rail smoke-tight structure, wherein the movable arm head of the clamp is formed as a cylinder, and the plug hole on the head And an eccentric hole penetrating the head cylinder, so that the peripheral surface of the head has an eccentric pressing surface; when the second pivoting rod uses the movable arm to generate thrust to the spigot, the spigot carries the clip The nip surface of the pressing rod is closely attached to the surface of the heat-resisting roller sheet, that is, the eccentric rotation of the head of the movable arm on the spigot can synchronously cause the eccentric pressing surface of the head A strong clamping force is generated on the inner edge of the clamping plate surface, so that the clamping plate of the clamping bar faces the surface of the heat-resistant rolling door piece, and the effect of preventing the separation is achieved.

Another object of the present invention is to provide a fireproof roll door door rail smoke-tight structure, wherein the swing arm is pivotally disposed on a pivoting seat, and the other end of the swing arm is pivotally connected by a rod The pull rod has one end extending toward a switch mounting face end of the pivot seat, the switch mounting an upper and lower movable path of the face relative to the wear bar, and a first touch switch and a second touch switch are provided. The first and second touch switches can control the operation of the telescopic actuator to stop After the telescopic actuator is pulled up or pushed down by the swing arm, the first touch switch or the second touch switch can be activated by the wear rod, and when the pull rod is pulled up or pushed down to a certain extent, an automatic can be generated. The effect of the stop.

Another object of the present invention is to provide a fireproof roll door door rail smoke-tight structure, wherein the nip surface of the nip bar is provided with a flexible heat-resistant surface relative to the surface of the heat-resisting roll door a gas-tight soft rubber strip, and the air-tight soft rubber strip has a connecting strip portion at one end thereof, and the connecting strip portion is connected to a surface of the inner edge of the rail opening of the door rail; when the clamping rod is When the clamping plate surface is clamped on the surface of the heat-resisting rolling door piece, the clamping plate surface is provided with a gas-tight soft rubber strip piece to generate a clamping pressure on the surface of the heat-resisting rolling door piece, that is, by the air-tight soft rubber When the strip is pressed, it has compression deformation soft elasticity, which increases the pinching compact effect, and the connecting strip portion of the airtight soft rubber strip is connected at the inner edge of the rail mouth of the door rail, and the clamping plate surface and the heat blocking roller door can also be The track gap or gap between the surface of the sheet is completely closed to effectively enhance the airtight effect when the smoke is blocked.

10‧‧‧Chassis

11‧‧‧ reel

20‧‧‧Heat-resistance roll

21‧‧‧Resistance materials

30‧‧‧door rail

31‧‧‧ Track

40‧‧‧Swing arm

41‧‧‧ pivot

410‧‧‧Switch mounting face

42‧‧‧ wearing rod

43‧‧‧First touch switch

44‧‧‧Second touch switch

50‧‧‧ telescopic actuator

51‧‧‧ Telescopic rod

60‧‧‧ lever

70‧‧‧Clipper

71‧‧‧U-shaped mount

710‧‧‧Fixed panels

72‧‧‧Support arm

72A‧‧‧second support arm

73‧‧‧ movable arm

730‧‧‧ head

731‧‧‧ pin hole

732‧‧‧ eccentricity

73A‧‧‧second arm

730A‧‧‧ head

731A‧‧‧ Pin hole

74‧‧ ‧ room

75‧‧‧ Activity guide slot

750‧‧‧ activities hole

751‧‧‧ Guide hole

76‧‧‧First pivot rod

77‧‧‧Second pivot rod

80‧‧‧Clamping rod

81‧‧‧Clamping plate surface

82‧‧‧ Storage space

83‧‧‧through holes

84‧‧‧ 插插

85‧‧‧Airtight soft strips

850‧‧‧Connected strips

Figure 1 is a front view of the appearance of the creation structure

Figure 2 is a schematic cross-sectional view of Figure 1A-A

Figure 3 is a schematic view of the side profile of the clamp on the door rail of the present invention.

Figure 4 is a schematic diagram of the internal clamp assembly structure of the door rail section of the present invention.

Figure 5 is an exploded perspective view of the structure of the present clipper

Figure 6 is a front view of the heat-dissipating shutter of the present invention when it is lowered

Figure 7 is a schematic cross-sectional view of the heat-dissipating shutter of the present invention when it is lowered

Fig. 8 is a schematic view showing the cross-sectional structure of the door rail side when the heat-resistant rolled door piece is airtight in the door rail.

Fig. 9 is a schematic view showing the internal structure of the door rail section when the heat-resistant rolled door piece is airtight in the door rail

Figure 10 is a schematic view of the structure of the swinging arm of the present invention when the first touch switch is touched by the plunger

Figure 11 is a schematic view showing the structure of the swinging arm of the present invention when the second trigger switch is touched by the rod.

The present invention is directed to the above object, and the preferred embodiment is described in detail with reference to the accompanying drawings, which are described in detail as follows: a fireproof roll door door rail to cover the airtight structure, as shown in Figures 1, 2, is a fire shutter door, A reel 11 is disposed in a casing 10, and the reel 11 is wound with a plurality of heat-resistant rolling shutters 20 connected in series, and the heat-resistant rolling shutter 20 is filled with a heat-resistant material 21, and the reel can be The rotation of 11 is lowered along the track of the pair of door rails 30 to form a fire door curtain; the improvement is that, as shown in Figures 2, 3, 4, and 5, the chassis 10 at the upper end of the pair of door rails 30 are respectively pivotally provided. The swing arm 40, one end of the swing arm 40 is pivotally connected to the telescopic rod 51 of a screw type telescopic actuator 50, and the other end is pivotally connected with a pull rod 60; one end of the pull rod 60 extends downward from the inside of the casing 10. Entering the door rail 30, and a plurality of clippers 70 and a clamping rod 80 are disposed on the side of the rail 31 inside the door rail 30; the clipper 70 includes a U-shaped fixing base 71, at least one a support arm 72 and at least one movable arm 73; the U-shaped fixing base 71 is fixed on the inner wall surface of the rail 31 side of the door rail 30, There is a pair of fixing panels 710, and a pair of receiving chambers 74 are formed between the pair of fixing panels 710, and a movable guiding slot 75 is formed on the board surface, and the movable guiding slots are respectively arranged. The hole 75 has a movable hole portion 750 and a flat hole-shaped guide hole portion 751. The support arm 72 is received in the chamber 74 of the U-shaped fixing base 71, and one end is provided with a first pivot. The rod 76 is pivotally disposed on the pair of fixed panels 710 to form a support, and the other end is The movable hole portion 750 of the movable guiding slot 75 is disposed on the movable hole portion 750, and the rod body penetrates the second pivoting rod 77 of the pull rod 60; the movable arm 73 is coupled In the chamber 74 of the U-shaped fixing base 71, one end is pivotally connected to the support arm 72 in a V-shaped manner on the second pivoting rod 77, and the other end is formed with a head 730. The guiding portion 751 of the portion 730 opposite to the movable guiding slot 75 is provided with a receiving hole 731. The clamping rod 80 is embedded in the cavity 74 of the U-shaped fixing base 71 and has a clamping plate. The inner surface of the clamping plate surface 81 has a receiving space 82 for receiving the head 730 of the movable arm 73. The two sides of the receiving space 82 are provided with a permanent through hole 83 opposite to the insertion hole 731 of the head 730. A through hole 84 is formed in the through hole 83 through the insertion hole 731. The two ends of the insertion end 84 are disposed on the guiding hole portion 751 of the movable guiding slot 75. The clamping lever 80 is guided by the guiding hole portion 751 of the movable guiding slot 75 on the fixing panel 710 of the U-shaped fixing base 71 for horizontal displacement of the front and rear; as shown in FIG. When it occurs, the heat-resistant shuttering piece 20 is lowered along the track 31 of the door rail 30 by the rotation of the reel 11 to form a fire door curtain. As shown in FIGS. 7, 8, and 9, it is only necessary to pass the telescopic actuator 50 in the casing 10. The rod 51 pushes down one end of the swing arm 40, and the other end of the swing arm 40 is pulled up and linked to the pull rod 60; the position of the pivoting portion of the support arm 72 and the movable arm 73 of each clipper 70 in the door rail 30 is transmitted. The upper second pivoting rod 77 is received by the upward movement of the tie rod 60, and moves along the movable hole portion 750 of the movable guiding slot 75 centering on the first pivoting rod 76, and then the center of the second pivoting rod 77 The height is equal to the center height of the first pivot rod 76, and when the support arm 72 and the movable arm 73 are horizontally extended from each other, the second pivot rod 77 supported by the support arm 72 can generate thrust on the insert 84 by the movable arm 73. , the insertion end 84 horizontally displaced along the guiding hole portion 751 drives the clamping rod 80 toward the door rail 3 The direction of the track 31 of the 0 is advanced, causing the nip plate surface 81 of the nip bar 80 to be crimped on one surface of the heat-resisting roller shutter 20, and the side gap between the track 31 of the door rail 30 and the heat-resistant roller shutter 20 Or the gap is closed to prevent the hot air and smoke on one side of the fire from flowing through the door rail 30 to the other side of the fire field, thereby enhancing or increasing the smoke shielding effect and function of the fire shutter door.

According to the above embodiment, wherein, as shown in FIGS. 2, 3, 4, and 5, the U-shaped fixing base 71 of the clip 70 is pivotally disposed on the pair of fixing panels 710 by the first pivoting rod 76. The support arm 72 and the second support arm 72A, the other ends of the support arm 72 and the second support arm 72A are pivotally connected to the movable arm 73 and the pull rod 60 together by the second pivot rod 77, and The second movable arm 73A is pivotally connected to the head 730 and the insertion hole 731 of the movable arm 73, and a head 730A is formed and a insertion hole 731A is provided. The insertion hole 84 of the through hole 83 of the nip bar 80 is inserted into the insertion hole 731, 731A of the movable arm 73 and the second movable arm 73A in the accommodating space 82; as shown in Figs. 2, 3, and 4 5, 7, 8, and 9, the second pivoting rod 77 can be pushed up and down between the movable arm 73 and the second movable arm 73A by the pull rod 60 on the movable hole portion 750 of the movable guiding slot 75. Actuating, so that the two ends of the second pivoting lever 77 can receive the average force support from the support arm 72 and the second support arm 72A, and can also be shared by the movable arm 73 and the second movable arm 73A. The force, on average, pushes the arranging piece 84 horizontally on the guiding hole portion 751 of the movable guiding slot 75, causing the spigot 84 to be driven by the nip bar 80, so that the nip plate surface 81 can be smoothly (not swaying). The effect of entering and leaving the track.

According to the above embodiment, wherein, as shown in FIGS. 3, 4, and 5, the head 730 of the movable arm 73 of the clipper 70 is formed as a cylinder, and the plug on the head 730 is inserted. The tip hole 731 is an eccentric hole penetrating the cylinder of the head 730 such that the peripheral surface of the head 730 has an eccentric pressing surface 732; as shown in Figs. 7, 8, and 9, when the second pivoting rod 77 When the movable arm 731 generates a thrust force on the insertion end 84, the insertion end 84 drives the nip plate surface 81 of the nip bar 80 to adhere to the surface formed on the surface of the heat-resisting roller shutter 20, that is, by the movable arm. The eccentric rotation of the head 730 of the 73 on the spigot 84 causes the eccentric pressing surface 732 of the head 730 to generate a strong yoke force against the inner edge of the nip plate surface 81, so that the nip plate surface 81 of the nip bar 80 The surface of the heat-resistant roll sheet 20 is pinched to achieve the effect of preventing the separation.

According to the above embodiment, the swing arm 40 is pivotally disposed on a pivoting seat 41, and the other end of the swinging arm 40 is pivotally connected to the pull rod 60 by a threading rod 42. One end of the wearing rod 42 extends toward a switch mounting surface 410 end of the pivoting seat 41. The switch mounting surface 410 has an upper and lower movable path relative to the wearing rod 42 and is provided with a first touch switch 43 and a second touch. The switch 44 can control the stop of the operation of the telescopic actuator 50 by the first and second touch switches 43, 44, as shown in Figures 2, 7, 10, and 11, so that the telescopic actuator 50 is pulled up by the swing arm 40 or The process of pushing down the pull rod 60 can be triggered by the first rod switch 43 or the second touch switch 44. When the pull rod 60 is pulled up or pushed down to a certain extent, the effect of the automatic stop can be generated.

According to the above embodiment, in the nip plate surface 81 of the nip bar 80, a flexible and heat-resistant material gas-tight soft rubber is disposed on the surface of the heat-resisting roller shutter 20 as shown in FIGS. 2, 3 and 4. a strip 85, and the end of the airtight soft strip 85 has a connecting strip portion 850 which is connected to a surface of the inner edge of the rail 31 of the door rail 30; 8, 9, when the nip plate surface 81 of the nip bar 80 is in the heat-resistant roll sheet 20 When the surface is nip, the nip plate surface 81 is provided with a gas-tight soft strip 85 to generate a nip pressure on the surface of the heat-resisting roll sheet 20, that is, when the air-tight soft strip 85 is pressed. The compression deformation soft elasticity increases the pinching compact effect, and the connecting strip portion 850 of the airtight soft rubber strip 85 is connected at the inner edge of the rail 31 of the door rail 30, and the clamping plate surface 81 and the heat-resistant rolling sheet can also be 20 The gap between the surfaces of the track 31 or the gap is completely closed to effectively improve the airtight effect when the smoke is blocked.

The above description is intended to be illustrative, and not restrictive, and many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention. , but all will fall within the scope of this creation.

10‧‧‧Chassis

11‧‧‧ reel

20‧‧‧Heat-resistance roll

21‧‧‧Resistance materials

30‧‧‧door rail

31‧‧‧ Track

40‧‧‧Swing arm

41‧‧‧ pivot

410‧‧‧Switch mounting face

42‧‧‧ wearing rod

50‧‧‧ telescopic actuator

51‧‧‧ Telescopic rod

60‧‧‧ lever

70‧‧‧Clipper

72‧‧‧Support arm

73‧‧‧ movable arm

80‧‧‧Clamping rod

Claims (5)

The utility model relates to a fireproof rolling door door rail smoke blocking airtight structure, which is a fireproof rolling door, which is provided with a reel in a casing, and the reel is wound with a plurality of heat-resistant rolling shutters which are connected in series with each other. The sheet is filled with a heat-resistant material, and can be lowered by the rotation of the reel along a track of a pair of door rails to form a fire door screen; the main improvement is that a swing is respectively arranged in the upper end of the pair of door rails An arm, one end of the swing arm is pivotally connected to a telescopic rod of a telescopic actuator, and the other end is pivotally connected with a pull rod; the end of the pull rod extends downward from the inside of the chassis into the door rail, and the door rail a plurality of clips and a clamping rod are disposed on one side of the inner rail; the clip includes a U-shaped fixing seat, at least one supporting arm and at least one movable arm; the U-shaped fixing seat is fixed On the inner wall surface of the rail side of the door rail, there is a pair of fixing panels, and a pair of fixing chambers are formed between the pair of fixing panels, and an opposite movable guide is arranged on the board surface. a slotted hole having an activity on the movable guiding slot And a straight hole-shaped guiding hole portion; the supporting arm is received in the chamber of the U-shaped fixing seat, and one end of the first pivoting rod is pivotally disposed on the pair of fixing panels to form a support, The other end is opposite to the movable hole portion of the movable guiding slot, and a second pivoting rod is disposed on the movable hole portion, and the rod body extends through the rod; the movable arm is disposed on the movable arm a chamber of the U-shaped fixing base is pivotally connected to the support arm in a V-shaped manner on the second pivoting rod, and the other end is formed with a head, the head is opposite to the movable guiding slot The guiding hole portion of the hole is provided with a spigot hole; the nip bar is embedded in the cavity of the U-shaped fixing seat, and has a clamping plate surface, and the inner edge of the clamping plate surface has a receiving movable arm a storage space of the head, the two sides of the storage space are provided with a continuous perforation relative to the insertion hole on the head, and the through hole is provided with a plug through the insertion hole, and the two insertion ends The end is disposed on the guiding hole portion of the movable guiding slot, so that the clamping rod is on the fixing panel of the U-shaped fixing seat, It can be guided by the guiding hole of the guiding slot of the movable body for horizontal and backward displacement activities; when the fire occurs, the heat-resistant rolling shutter piece is laid down along the track of the door rail under the rotation of the reel to form a fire door curtain. The end of the swing arm is only required to be actuated by the telescopic rod of the telescopic actuator in the chassis, so that the other end of the swing arm is linked to the pull rod; the position of the pivot arm of the support arm and the movable arm of each clipper in the door rail is transmitted. The two pivot rods are pinned by the pull rods and move along the movable hole portion of the movable guiding slot around the first pivoting rod. When the height of the second pivoting rod is equal to the center height of the first pivoting rod, When the support arm and the movable arm are horizontally extended from each other, the second pivoting rod supported by the supporting arm can generate thrust by the movable arm, so that the insertion pin horizontally displaced along the guiding hole drives the clamping rod toward The direction of the rail of the door rail advances, causing the clamping plate surface of the clamping rod to be clamped on one surface of the heat-resisting rolling door piece, and closing the gap or gap between the track of the door rail and the heat-resistant rolling door piece to block the fire. Hot air flow on the side of the field Door rail fled to the other side of the fire enhance or increase the fire door to hide the effects of smoke and function. The fireproof roll door door rail airtight structure according to claim 1, wherein the U-shaped fixing seat of the clamp is pivoted by the first pivot rod on the pair of fixed panels The support arm and the second support arm are disposed, and the other ends of the support arm and the second support arm are pivotally connected to the movable arm and the pull rod together, and are also pivotally connected together a second movable arm, the other end of the second movable arm is opposite to the head and the insertion hole of the movable arm, and has a head portion and a insertion hole. The insertion hole of the clamping rod is on the insertion end. Inserting the movable arm and the insertion hole of the second movable arm together in the storage space; and pushing the second pivoting rod between the movable arm and the second movable arm by the pull rod to guide the movement The movable hole portion of the slot moves to enable the two ends of the second pivoting rod to receive an average force support from the support arm and the second support arm, and can also be supported by the movable arm and the second movable arm The common thrust that drives the tip at the event on average The horizontal displacement of the guiding hole portion of the guiding slot causes the insertion of the pin to the clamping lever, so that the clamping plate surface can be smoothly moved in and out of the track. The fireproof roll door door rail airtight structure according to the first aspect of the patent application, wherein the movable arm head of the clamp is formed as a cylinder, and the plug hole on the head And an eccentric hole penetrating the head cylinder, so that the peripheral surface of the head has an eccentric pressing surface; when the second pivoting rod uses the movable arm to generate thrust to the spigot, the spigot carries the clip The nip surface of the pressing rod is closely attached to the surface of the heat-resisting roller sheet, that is, the eccentric rotation of the head of the movable arm on the spigot can synchronously cause the eccentric pressing surface of the head A strong clamping force is generated on the inner edge of the clamping plate surface, so that the clamping plate of the clamping bar faces the surface of the heat-resistant rolling door piece, and the effect of preventing the separation is achieved. The fireproof roll door door rail airtight structure according to the first aspect of the patent application, wherein the swing arm is pivotally disposed on a pivoting seat, and the other end of the swing arm is pivotally connected by a rod The pull rod has one end extending toward a switch mounting face end of the pivot seat, the switch mounting an upper and lower movable path of the face relative to the wear bar, and a first touch switch and a second touch switch are provided. The first and second touch switches can control the stop of the operation of the telescopic actuator, so that the telescopic actuator can pull up or push the pull rod through the swing arm, and the first touch switch or the second touch can be touched by the wear rod. The switch can achieve the effect of automatic stop when the pull rod is pulled up or pushed down to a certain extent. The fireproof roll door door rail air-tight structure according to the first aspect of the patent application, wherein the nip surface of the nip bar is provided with a flexible heat-resistant surface relative to the surface of the heat-resistant roll sheet a gas-tight soft rubber strip, and the air-tight soft rubber strip has a connecting strip portion at one end thereof, and the connecting strip portion is connected to a surface of the inner edge of the rail opening of the door rail; when the clamping rod is The clamping plate surface is blocked When the surface of the hot-rolling sheet is nip, the surface of the nip sheet is filled with a gas-tight soft strip to generate a clamping pressure on the surface of the heat-resisting roll sheet, that is, when the air-tight soft strip is pressed The utility model has the soft deformation of compression deformation, increases the pinching compact effect, and the connecting strip portion of the airtight soft rubber strip is connected at the inner edge of the rail mouth of the door rail, and can also track the surface between the clamping plate surface and the surface of the heat blocking roller sheet. The gap or gap is completely closed to effectively enhance the airtight effect when the smoke is blocked.