CN113775283B - impact-resistant fire door - Google Patents

Abstract

The invention relates to an impact-resistant fire door, comprising: a frame body, a sliding rod, a sliding seat, a door panel, and an electromagnetic push rod; the sliding seat is slidably arranged on the sliding rod, and the door panel is hinged to the sliding The sliding seat has a first working position, a second working position, and a third working position. When the door panel is in the first working position, the sliding seat is located in the middle of the slide bar, so that the door panel can move toward the Both sides are open, when the door panel is in the second working position, the door panel can rotate away from the first left side panel, and when the door panel is in the third working position, the door panel can be rotated away from the first left side panel Rotate in the direction of the first right side panel described above. The electromagnetic push rod can control the position of the door panel. The advantage of the present invention is that: by enabling the sliding seat to drive the door panel to slide, the door panel can be switched between two-way opening, one-way opening on one side, and one-way opening on the other side.

Description

impact-resistant fire door

technical field

The invention relates to the field of fire doors, in particular to an impact-resistant fire door.

Background technique

From the high-tech semiconductor industry to the coal petrochemical industry and even to the general manufacturing industry, the common point is that there is a need for explosion-proof protection. If the destructive degree of the explosion is controlled within a certain range, its destructive consequences will also be minimized. The doors installed in the vast majority of existing buildings either have explosion-proof functions or have flame-retardant functions.

Common fire doors are often opened on one side to prevent explosions from one direction. However, due to the requirements of explosion protection, fire doors are often thick and heavy, making it very difficult to open the fire doors, affecting normal traffic.

Contents of the invention

Based on this, it is necessary to address the above-mentioned problems and provide an impact-resistant fire door, which can be opened in both directions when no fire occurs.

The invention discloses an impact-resistant fire door, which comprises: a frame body having a first left side panel, a second left side panel, a first right side panel, and a second right side panel; a sliding rod , fixedly arranged between the first left side panel and the second left side panel; the sliding seat, slidably arranged on the sliding rod; the door panel, hinged on the sliding seat, and along with the sliding The sliding seat slides along the sliding bar, and has a first working position, a second working position, and a third working position. When the door panel is in the first working position, the sliding seat is located in the middle of the sliding bar, The door panel can be opened to both sides, when the door panel is in the second working position, the sliding seat abuts against the first left side panel, and the door panel abuts against the first left side plate and the first right side plate, so that the door panel can rotate away from the first right side plate, and when the door panel is in the third working position, the sliding seat abuts against the second left side side panel, and the door panel abuts against the second left side panel and the second right side panel, so that the door panel can rotate in a direction away from the second right side panel; an electromagnetic push rod, one end is fixed to the The door panel, the other end is fixed on the sliding seat, and the position of the door panel can be controlled by controlling the length of the electromagnetic push rod.

In one of the embodiments, the impact-resistant fire door further includes a first push mechanism, and the first push mechanism includes: a first temperature measuring box, a first partition, a first elastic member, a first push block, a second A connecting rod, the first temperature measuring box is fixedly arranged on the first left side plate, the first partition is slidably arranged in the first temperature measuring box, and separates the first temperature measuring box It is a first cavity and a second cavity, the first cavity is filled with a medium, and the medium can be vaporized after being heated, and the first elastic member is installed on the first separator and the first pusher Between blocks, one end of the first connecting rod is hinged to the first push block, and the other end is hinged to the sliding seat, so that when the medium is heated and vaporized, it can push the first partition to move, thereby The first push block is driven to move to rotate the first connecting rod, and then the sliding seat is moved to the second left side plate through the first push block and the first connecting rod.

In one of the embodiments, the impact-resistant fire door further includes a second push mechanism, and the second push mechanism includes: a second temperature measuring box, a second partition, a second elastic member, a second push block, a second Two connecting rods, the second temperature measuring box is fixedly arranged on the second left side plate, and the second partition plate is slidably arranged in the second temperature measuring box to separate the second temperature measuring box The third cavity and the fourth cavity are filled with a medium, and the medium can be vaporized after being heated. The second elastic member is installed on the second partition and the second pusher. Between the blocks, one end of the second connecting rod is hinged to the second push block, and the other end is hinged to the sliding seat, so that when the medium is heated and vaporized, it can push the second partition to move, thereby The second push block is driven to move to rotate the second connecting rod, and then the sliding seat is moved to the first left side plate through the second push block and the second connecting rod.

In one of the embodiments, the frame body also has a first top plate, a second top plate, a first bottom plate, and a second bottom plate, a first baffle plate is slidably arranged on the first top plate, and a first baffle plate is slidably arranged on the second top plate. A second baffle is provided, a third baffle is slidably arranged on the first bottom, a fourth baffle is slidably arranged on the second bottom, and the first baffle connects with the first drawstring through the first pull cord. Three baffles are connected, the second baffle is connected to the fourth baffle through the second pull cord, when the first baffle descends, it can drive the third baffle to rise, and when the second baffle descends , can drive the fourth baffle to rise.

In one of the embodiments, a first transmission wheel and a second transmission wheel are rotatably arranged on the frame body, the first pull cord is connected to the first bottom plate by going around the first transmission wheel, and the first transmission wheel is connected to the first bottom plate. The two stay cords are connected to the second base plate around the second transmission wheel.

In one of the embodiments, a third pull cord is connected to the first push block, the other end of the third pull cord is connected to the first baffle, and a fourth pull cord is connected to the second push block. The other end of the fourth pull cord is connected to the second baffle.

In one of the embodiments, an installation hole is opened on the first left side plate, the first temperature measurement box is set in the installation hole, and one side of the first temperature measurement box is made of heat-conducting material , the heat-conducting material protrudes toward the side surface of the first left side plate away from the sliding seat.

In one of the embodiments, the boiling point of the medium is not higher than 60 degrees Celsius.

The advantages of the present invention are:

(1) Under normal working conditions, the door panel can be opened in both directions, so as to facilitate the entry and exit of personnel;

(2) The sliding seat can be switched between the first working position, the second working position and the third working position, so that the door panel can be opened in two directions, one side can be opened in one direction, and the other side can be opened in one direction. switch between states;

(3) By setting the first push mechanism and the second push mechanism, when the circuit system is destroyed, the fire door can automatically switch the working state according to the temperature on both sides of the door panel;

(4) After the first connecting rod and the second connecting rod are arranged obliquely, after the sliding seat moves to one side, even if the temperature on both sides of the door plate reaches the vaporization temperature of the medium, due to the influence of the first connecting rod and the second connecting rod Different ways of force, so that the door can still maintain the original working state;

(5) By arranging the first baffle, the second baffle, the third baffle, and the fourth baffle, the sealing and stability of the door panel can be improved, and the baffle is controlled by the sliding seat through the pull cord, which has automatic The advantages.

Description of drawings

Fig. 1 is the perspective view of a kind of impact-resistant fireproof door provided by the present invention;

Fig. 2 is a working state diagram of a kind of impact-resistant fire door provided by the present invention;

Fig. 3 is a front view of an impact-resistant fire door provided by the present invention;

Fig. 4 is a cross-sectional view of an impact-resistant fire door according to the A-A plane of Fig. 3 provided by the present invention;

Fig. 5 is a sectional view of a shock-resistant fire door according to the B-B plane of Fig. 3 provided by the present invention;

Fig. 6 is a perspective view of a partial structure of an impact-resistant fire door provided by the present invention, which includes a sliding frame, a first pushing mechanism, and a second pushing mechanism, and the sliding seat is at the first working position at this time;

Fig. 7 is a front view of another working state of an impact-resistant fire door according to the structure of Fig. 6 provided by the present invention, at this time, the sliding seat is in the second working position;

Fig. 8 is a front view of another working state of an impact-resistant fire door according to the structure of Fig. 6 provided by the present invention, at this time, the sliding seat is in the third working position;

Fig. 9 is a partially enlarged view of a shock-resistant fire door according to Fig. 6 according to the present invention;

Fig. 10 is a partial enlarged view of a shock-resistant fire door according to Fig. 7 at B of the present invention, in which a cut is made;

Fig. 11 is a cross-sectional view of an impact-resistant fire door according to Fig. 10 in another working state provided by the present invention;

Fig. 12 is a perspective view of a first baffle plate of an impact-resistant fire door provided by the present invention.

In the figure, the frame body 1, the first left side plate 111, the second left side plate 112, the first right side plate 121, the second right side plate 122, the first top plate 131, the second top plate 132, the first bottom plate 141, The second bottom plate 142, the first baffle plate 161, the second baffle plate 162, the third baffle plate 163, the fourth baffle plate 164, the first transmission wheel 171, the second transmission wheel 172, the slide bar 2, the sliding seat 3, Door panel 4, electromagnetic push rod 5, first temperature measuring box 61, first cavity 611, second cavity 612, first partition 62, first elastic member 63, first push block 64, first connecting rod 65 , The second temperature measuring box 71, the second push block 74, the second connecting rod 75.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that when a component is said to be "mounted on" another component, it may be directly on the other component or there may be an intervening component. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may be an intervening component at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 and FIG. 2 , the present invention discloses an impact-resistant fire door. The impact-resistant fire door includes: a frame body 1 , a sliding rod 2 , a sliding seat 3 , a door panel 4 , and an electromagnetic push rod 5 .

As shown in Figures 3 to 5, the frame body 1 has a first left side panel 111, a second left side panel 112, a first right side panel 121, and a second right side panel 122; the slide bar 2 is fixedly arranged Between the first left side plate 111 and the second left side plate 112; the sliding seat 3 is slidably disposed on the sliding rod 2; the door panel 4 is hinged on the sliding seat 3, and As the sliding seat 3 slides along the slide bar 2, it has a first working position, a second working position, and a third working position. When the door panel 4 is in the first working position, the sliding seat 3 is located in the middle of the sliding rod 2, as shown in Figure 6, so that the door panel 4 can be opened to both sides, when the door panel 4 is in the second working position, as shown in Figure 7, the sliding seat 3 abuts against the first left side panel 111, and the door panel 4 abuts against the first left side panel 111 and the first right side panel 121, so that the door panel 4 can move away from the first right side panel The direction of the side plate 121 rotates. When the door panel 4 is in the third working position, as shown in FIG. On the second left side panel 112 and the second right side panel 122, the door panel 4 can rotate in a direction away from the second right side panel 122; one end of the electromagnetic push rod 5 is fixed on the door panel 4 The other end is fixed on the sliding seat 3, and the position of the door panel 4 can be controlled by controlling the length of the electromagnetic push rod 5.

In this embodiment, the frame body 1 is provided with two sliding bars 2, so that the connection between the sliding seat 3 and the sliding bars 2 is more stable.

It can be understood that the frame body 1 is fixedly arranged in the wall, and the sliding seat 3 can slide along the sliding rod 2 under the control of the electromagnetic push rod 5, so as to be in the first working position, the second working position, and the third working position. Switch between locations.

It is worth mentioning that, as shown in Figure 4, when the door panel 4 is rotated and opened, its edge is in an arc-shaped path. When the sliding seat 3 is in the first working position, the door panel 4 can be smoothly opened to both sides. When the sliding seat 3 3 When it is in the second working position, since the door panel 4 abuts against the first left side panel 111 and the first right side panel 121, the door panel 4 can only be opened in a direction away from the first right side panel 121, when sliding When the seat 3 is in the third working position, since the door panel 4 abuts against the second left side panel 112 and the second right side panel 122 , the door panel 4 can only be opened in a direction away from the second right side panel 122 .

Preferably, the impact-resistant fire door also includes a first push mechanism, and the first push mechanism includes: a first temperature measuring box 61, a first partition 62, a first elastic member 63, a first push block 64, a first A connecting rod 65, the first temperature measuring box 61 is fixedly arranged on the first left side plate 111, the first partition plate 62 is slidably arranged in the first temperature measuring box 61, and the first temperature measuring box 61 A temperature measuring box 61 is divided into a first cavity 611 and a second cavity 612, the first cavity 611 is filled with a medium, and the medium can be vaporized after being heated, and the first elastic member 63 is installed on the Between the first partition 62 and the first push block 64, one end of the first connecting rod 65 is hinged to the first push block 64, and the other end is hinged to the sliding seat 3, so that when the medium After being heated and vaporized, it can push the first partition plate 62 to move, thereby driving the first push block 64 to move, causing the first connecting rod 65 to rotate, and then through the first push block 64 and the first connecting rod 65 Make the sliding seat 3 move towards the second left side plate 112 .

Preferably, the impact-resistant fire door also includes a second push mechanism, and the second push mechanism includes: a second temperature measuring box 71, a second partition, a second elastic member, a second push block 74, a second connection Rod 75, the second temperature measuring box 71 is fixedly arranged on the second left side plate 112, the second partition is slidably arranged in the second temperature measuring box 71, and the second temperature measuring box The box 71 is divided into a third cavity and a fourth cavity. The third cavity is filled with a medium that can be vaporized after being heated. The second elastic member is installed between the second partition and the Between the second push blocks 74, one end of the second connecting rod 75 is hinged to the second push block 74, and the other end is hinged to the sliding seat 3, so that when the medium is vaporized by heat, it can push the The second partition moves, thereby driving the second push block 74 to move, causing the second connecting rod 75 to rotate, and then through the second push block 74 and the second connecting rod 75, the sliding seat 3 moves toward the first A left side panel 111 moves.

It can be understood that the medium in the first temperature measuring box 61 will be vaporized when heated, thereby pushing the first partition plate 62 to move upward, and then squeeze the elastic member to drive the first push block 64 to move upward, and the first connecting rod 65 It is arranged obliquely, and the two ends are respectively hinged with the first push block 64 and the sliding seat 3, so that the upward movement of the first push block 64 can drive the sliding seat 3 to move away from the first temperature measuring box 61 until the sliding seat 3 Attached to the first right side panel 121 . Similarly, when the second temperature measuring box 71 is heated, the sliding seat 3 can be pushed to move away from the second temperature measuring box 71 until the sliding seat 3 is attached to the first left side plate 111 .

It should be noted that when a fire breaks out, the power system will often fail, resulting in the situation that the door panel 4 cannot be remotely controlled. The environment automatically moves to the side away from the high temperature, which can effectively play the role of shock resistance.

Preferably, the frame body 1 also has a first top plate 131, a second top plate 132, a first bottom plate 141, and a second bottom plate 142, the first top plate 131 is slidably provided with a first baffle plate 161, and the second The top plate 132 is slidably provided with a second baffle plate 162, the first bottom plate 141 is slidably provided with a third baffle plate 163, the described second bottom plate 142 is slidably provided with a fourth baffle plate 164, and the first baffle plate 141 is slidably provided with a fourth baffle plate 164. 161 is connected to the third baffle 163 through the first pull cord, and the second baffle 162 is connected to the fourth baffle 164 through the second pull cord. When the first baffle 161 descends, it can drive the The third baffle 163 rises, and when the second baffle 162 descends, it can drive the fourth baffle 164 to rise.

It can be understood that when the sliding seat 3 moves toward the first left side plate 111 , when the sliding seat 3 abuts against the first left side plate 111 and the first right side plate 121 , the movement of the door panel 4 The upper edge can abut against the first baffle plate 161 , and the lower edge of the door panel 4 can abut against the third baffle plate 163 . When the sliding seat 3 abuts against the second left side plate 112 and the second right side plate 122, the upper edge of the door panel 4 can abut against the second baffle plate 162, and the lower edge of the door panel 4 can be It abuts against the fourth baffle plate 164 to form a better sealing effect.

In this embodiment, the first baffle plate 161, the second baffle plate 162, the third baffle plate 163, and the fourth baffle plate 164 have the same structure. As shown in FIG. It is connected to the first left side plate 111 and the first right side plate 121 so as to keep sliding along the vertical direction.

It is worth mentioning that, in this embodiment, the first top board 131, the second top board 132, the first bottom board 141, the second bottom board 142, the first left side board 111, the second left side board 112, the first The right side plate 121 and the second right side plate 122 are integrally arranged.

Preferably, as shown in FIG. 5 , a first transmission wheel 171 and a second transmission wheel 172 are rotatably arranged on the frame body 1 , and the first pull cord goes around the first transmission wheel 171 and the first transmission wheel 171 . The bottom plate 141 is connected, and the second pull rope is connected to the second bottom plate 142 around the second transmission wheel 172 .

Preferably, a third pull cord is connected to the first push block 64, the other end of the third pull cord is connected to the first baffle plate 161, and a fourth pull cord is connected to the second push block 74. The other end of the fourth pull rope is connected to the second baffle 162 .

It can be understood that when the sliding seat 3 moves to the left, it can drive the first push block 64 to move downward, and the first baffle plate 161 can be pulled down automatically through the third pull cord, so that the door panel 4 can be abutted against On the first baffle plate 161, similarly, when the sliding seat 3 moves to the right, it can drive the second push block 74 to move downward, and the second baffle plate 162 can be automatically pulled down by the fourth pull rope. The door panel 4 can abut against the second baffle plate 162 .

Preferably, an installation hole is opened on the first left side plate 111, the first temperature measurement box 61 is arranged in the installation hole, and one side of the first temperature measurement box 61 is made of a heat-conducting material, The heat conducting material protrudes toward the surface of the first left side plate 111 away from the sliding seat 3 .

It can be understood that the medium in the temperature measuring box can be rapidly heated and vaporized by setting the heat conducting material.

Preferably, the boiling point of the medium is not higher than 60 degrees Celsius.

The working mode of the present invention is: as shown in Figure 5, the temperature on both sides of the door panel 4 is normal, when the temperature on the right side rises, the medium in the second temperature measuring chamber is vaporized and the sliding seat 3 is pushed to move to the left , as shown in FIG. 7 , at this time, the first baffle 161 moves downward, and the third baffle 163 moves upward, so that the door panel 4 can be abutted against the first baffle 161 and the third baffle 163 . At this time, the door panel 4 only It can be opened to the side away from the first baffle plate 161; similarly, when the temperature on the left side rises, the medium in the first temperature measuring chamber is vaporized and the sliding seat 3 is pushed to move to the right, as shown in Figure 8 As shown, at this moment, the second baffle plate 162 moves downward, and the fourth baffle plate 164 moves upward, so that the door panel 4 can abut against the second baffle plate 162 and the fourth baffle plate 164. At this time, the door panel 4 can only move away from the One side of the second shutter 162 is opened.

As an improvement, a torsion spring is provided at the hinge shaft between the door panel 4 and the sliding seat 3, so that the door panel 4 can be automatically kept closed.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (7)

1. An impact-resistant fire door, characterized in that, the impact-resistant fire door comprises: The frame body has a first left side panel, a second left side panel, a first right side panel, and a second right side panel; a slide bar fixedly arranged between the first left side panel and the second left side panel; The sliding seat is slidably arranged on the sliding rod; The door panel is hinged on the sliding seat, and has a first working position, a second working position, and a third working position as the sliding seat slides along the sliding rod. When the door panel is in the first In the working position, the sliding seat is located in the middle of the sliding rod, so that the door panel can be opened to both sides. When the door panel is in the second working position, the sliding seat abuts against the first the left side panel, and the door panel abuts against the first left side panel and the first right side panel, so that the door panel can rotate away from the first right side panel, when the door panel is in the third In the working position, the sliding seat abuts against the second left side panel, and the door panel abuts against the second left side panel and the second right side panel, so that the door panel can move away from the Orientation rotation of the second right panel; An electromagnetic push rod, one end is fixed on the door panel, and the other end is fixed on the sliding seat, by controlling the length of the electromagnetic push rod, the position of the door panel can be controlled, The frame body also has a first top board, a second top board, a first bottom board, and a second bottom board, the first top board is slidably provided with a first baffle, and the second top board is slidably provided with a second baffle, A third baffle is slidably disposed on the first base, a fourth baffle is slidably disposed on the second bottom, the first baffle is connected to the third baffle through a first pull cord, and the The second baffle is connected to the fourth baffle through the second pull cord. When the first baffle descends, it can drive the third baffle to rise, and when the second baffle descends, it can drive the fourth baffle to rise. The bezel goes up. 2. The impact-resistant fire door according to claim 1, characterized in that, the impact-resistant fire door also includes a first push mechanism, and the first push mechanism includes: a first temperature measuring box, a first partition, The first elastic member, the first push block, and the first connecting rod, the first temperature measuring box is fixedly arranged on the first left side plate, and the first partition is slidably arranged on the first temperature measuring box Inside, the first temperature measuring box is divided into a first cavity and a second cavity, the first cavity is filled with a medium, and the medium can be vaporized after being heated, and the first elastic member is installed in the Between the first partition and the first push block, one end of the first connecting rod is hinged to the first push block, and the other end is hinged to the sliding seat, so that when the medium is heated and vaporized, The first partition can be pushed to move, thereby driving the first push block to move, causing the first connecting rod to rotate, and then through the first push block and the first connecting rod, the sliding seat moves toward the second The left side panel moves. 3. The impact-resistant fire door according to claim 2, characterized in that, the impact-resistant fire door also includes a second push mechanism, and the second push mechanism includes: a second temperature measuring box, a second partition, The second elastic member, the second push block, and the second connecting rod, the second temperature measuring box is fixedly arranged on the second left side plate, and the second partition is slidably arranged on the second temperature measuring box Inside, the second temperature measuring box is divided into a third cavity and a fourth cavity, the third cavity is filled with a medium, and the medium can be vaporized after being heated, and the second elastic member is installed in the Between the second partition and the second push block, one end of the second connecting rod is hinged to the second push block, and the other end is hinged to the sliding seat, so that when the medium is heated and vaporized, The second partition can be pushed to move, thereby driving the second push block to move, causing the second connecting rod to rotate, and then through the second push block and the second connecting rod, the sliding seat moves toward the first The left side panel moves. 4. The impact-resistant fire door according to claim 3, characterized in that a first transmission wheel and a second transmission wheel are rotatably arranged on the frame body, and the first pull cord bypasses the first transmission wheel It is connected with the first bottom plate, and the second pull rope is connected with the second bottom plate by going around the second transmission wheel. 5. The impact-resistant fire door according to claim 4, characterized in that, a third pull rope is connected to the first push block, and the other end of the third pull rope is connected to the first baffle plate, A fourth pull rope is connected to the second push block, and the other end of the fourth pull rope is connected to the second baffle. 6. The impact-resistant fire door according to claim 5, characterized in that, an installation hole is opened on the first left side plate, the first temperature measuring box is set in the installation hole, and the first One side of the temperature measuring box is made of heat-conducting material, and the heat-conducting material protrudes toward the side surface of the first left side plate away from the sliding seat. 7. The impact-resistant fire door according to claim 2, characterized in that the boiling point of the medium is not higher than 60 degrees Celsius.

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