Fireproof heat insulation steel door and assembly method thereof

Abstract

The fireproof heat-insulation steel door comprises a door frame, a doorsill and a door beam, the doorsill is arranged at the lower end of the door frame, the door beam is arranged at the upper end of the door frame, and a center block is arranged in the middle of the inner side of the door beam. The fireproof door is reasonable in structural design, and the fireproof expansion sealing strip is arranged, so that the fireproof effect is achieved, fire is prevented from continuously spreading, and smoke is prevented from entering from a door crack to affect breathing of escape personnel; the automatic door opening mechanism is arranged, automatic opening and closing of the door plate are facilitated, and the problems that a steel fireproof door is large in dead weight, inflexible to open and close and inconvenient to escape are solved; the cold-rolled steel sheet is arranged, so that flames are difficult to penetrate through the fireproof door, the fireproof and fire insulation functions can be effectively achieved, and the effect of inhibiting fire spreading is achieved; the smoke sensor and the alarm are arranged, so that people can be reminded of a fire, timely evacuation and escape are facilitated, and serious casualties are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of steel door processing, in particular to a fireproof and heat-insulating steel door and an assembling method thereof. Background Art

[0002] The appearance of steel doors on the market is very similar to security doors. In terms of anti-theft performance, standard security doors have thick steel plates, strong impact resistance, and implement national mandatory standards; while steel doors implement the company's own standards. Steel doors are widely used indoors and outdoors in various buildings; fireproof steel doors not only have the functions of ordinary doors, but also have obvious functions of preventing the spread of fire, and also have good thermal insulation and strong safety.

[0003] Although existing steel fire doors can play a role in fire prevention, due to their heavy weight and inflexible opening and closing, they are not convenient for escape when a fire occurs; at the same time, they are unable to detect the fire and thus notify people to evacuate as soon as possible.

[0004] Therefore, those skilled in the art provide a fireproof and heat-insulating steel door and an assembly method thereof to solve the problems raised in the above background technology. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a fireproof and heat-insulating steel door, including a door frame, a door sill and a door beam, the lower end of the door frame is provided with a door sill, the upper end of the door frame is provided with a door beam, the middle part of the inner side of the door beam is provided with a center block, the left and right sides of the door beam are symmetrically provided with automatic door opening mechanisms, the front end of the door beam is provided with a smoke sensor and an alarm from left to right in sequence, the front end of the door beam is provided with an infrared sensor, the upper end of the inner side of the door frame and the upper end of the inner side of the door sill are both provided with sliding members; door panels are symmetrically provided on the left and right sides of the middle part of the upper end of the sill, the door panels and the automatic door opening mechanism are connected to each other, the upper and lower ends of the door panels are provided with fixing plates, the ends of the fixing plates are provided with abutment blocks, the middle parts of the abutment blocks are provided with balls, the balls are rollingly connected to the sliding members at corresponding positions, the front end of the door panel is provided with a handle, and the left and right side walls of the door panel are provided with fireproof expansion sealing strips.

[0006] Preferably, the door panel comprises a door leaf decorative panel, a cold-rolled steel plate and a fireproof door core panel, the fireproof door core panel is symmetrically provided with cold-rolled steel plates on both the front and rear sides, and the outer side walls of the cold-rolled steel plates are provided with door leaf decorative panels.

[0007] Preferably: the automatic door opening mechanism includes a rotating shaft, a support block and an electric cylinder, the support blocks are arranged on the left and right sides of the center block, the support block is connected to one end of the electric cylinder, one end of the rotating shaft extends to the inner side of the door beam and is fixedly sleeved with a rotating block, the side wall of the rotating block is connected to a connecting block, the connecting block is connected to the other end of the electric cylinder, the other end of the rotating shaft is connected to the door sill through a bearing, the side wall of the rotating shaft is symmetrically provided with support rods, the inner side of the support rods is provided with short shafts, and the support rods are connected to the door panel through the short shafts.

[0008] Preferably: the sliding member includes a slide groove, a ball groove and a groove, the slide groove is symmetrically arranged at the inner upper end of the door sill and the inner upper end of the door frame, a ball groove is provided on the inner side of the slide groove, the ball groove and the ball are rollingly connected, and a groove is provided inside the slide groove located on the front side of the ball groove, and the length of the groove matches the length of the support rod.

[0009] Preferably, the model of the smoke sensor is MQ-2, the model of the alarm is ZD-01AC36V, and the model of the infrared sensor is D203S.

[0010] The method for assembling a fireproof and heat-insulating steel door is characterized by comprising the following steps:

[0011] 1. Assemble the door frame: fix the door beam at the top of the door frame and the door sill at the bottom of the door frame;

[0012] 2. Install the automatic door opening mechanism: Install the automatic door opening mechanism symmetrically on the left and right sides of the door beam;

[0013] 3. Install the sliding parts: Install the two sets of sliding parts to the top of the inner side of the door frame and the top of the threshold respectively;

[0014] 4. Install the door panel: Fix the door panel to the rotating shaft of the automatic door opening mechanism, and control the opening and closing of the door panel through the automatic door opening mechanism;

[0015] 5. Install the auxiliary parts: Install the auxiliary parts corresponding to the sliding parts to the top and bottom of the door panel.

[0016] Preferably, in step 1, the door frame, the door beam and the door sill are fixed by welding.

[0017] Preferably: in step 2, the automatic door opening mechanism includes a rotating shaft, a support block and an electric cylinder, the support blocks are installed on the left and right sides of the center block, one end of the support block electric cylinder is hinged, one end of the rotating shaft extends to the inner side of the door beam and is fixedly sleeved with a rotating block, the side wall of the rotating block is rotatably connected to the connecting block, the connecting block is rotatably connected to the other end of the electric cylinder, the other end of the rotating shaft is connected to the door sill through a bearing, support rods are symmetrically installed on the upper and lower side walls of the rotating shaft, a short shaft is installed on the inner side of the support rod, and the support rod is connected to the door panel through the short shaft.

[0018] Preferably: in step five, the auxiliary component comprises a fixing plate, an abutment block is installed at the end of the fixing plate, a ball is installed in the middle of the abutment block, and the ball is rollingly connected to the sliding component at the corresponding position.

[0019] Technical effects and advantages of the present invention:

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention is provided with a fireproof expansion sealing strip to play a fireproof effect, prevent the fire from spreading further, and prevent smoke from entering through the door gap to affect the breathing of the escaping personnel; an automatic door opening mechanism is provided to facilitate automatic opening and closing of the door panel, avoiding the problem that the steel fire door has a large dead weight, is not flexible in opening and closing, and is not convenient for escape; a cold-rolled steel plate is provided, and it is difficult for the flame to pass through the fire door, which can effectively play the role of fire prevention and fire isolation, and has the effect of suppressing the spread of fire; a smoke sensor and an alarm are provided to help remind personnel of a fire, facilitate timely evacuation and escape, and avoid serious casualties. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a fireproof and heat-insulating steel door provided in an embodiment of the present application;

[0023] Figure 2 It is a structural schematic diagram of A in the fireproof and heat-insulating steel door provided in an embodiment of the present application;

[0024] Figure 3 It is a structural schematic diagram of the automatic door opening mechanism in the fireproof and heat-insulating steel door provided in the embodiment of the present application when the door is closed;

[0025] Figure 4 It is a structural schematic diagram of the automatic door opening mechanism in the fireproof and heat-insulating steel door provided in the embodiment of the present application when the door is opened;

[0026] Figure 5 It is a schematic diagram of the side cross-section structure of a sliding member in a fireproof and heat-insulating steel door provided in an embodiment of the present application;

[0027] Figure 6 It is a schematic diagram of the top-sectional structure of the door panel in the fireproof and heat-insulating steel door provided in an embodiment of the present application.

[0028] Among them: door frame 1, fire-proof expansion sealing strip 2, door panel 3, door leaf decorative panel 301, cold-rolled steel plate 302, fire-proof door core panel 303, handle 4, threshold 5, sliding part 6, slide groove 601, ball groove 602, groove 603, smoke sensor 7, alarm 8, door beam 9, automatic door opening mechanism 10, rotating shaft 1001, rotating block 1002, connecting block 1003, electric cylinder 1004, support block 1005, short shaft 1006, support rod 1007, center block 11, infrared sensor 12. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0030] Example 1

[0031] See also Figure 1-6In this embodiment, a fireproof and heat-insulating steel door is provided, including a door frame 1, a threshold 5 and a door beam 9. The lower end of the door frame 1 is provided with a threshold 5, the upper end of the door frame 1 is provided with a door beam 9, a center block 11 is provided in the middle of the inner side of the door beam 9, and automatic door opening mechanisms 10 are symmetrically provided on the left and right sides of the door beam 9. A smoke sensor 7 and an alarm 8 are provided in sequence at the front end of the door beam 9 from left to right. An infrared sensor 12 is provided at the front end of the door beam 9 above the smoke sensor 7. Sliders 6 are provided at the upper inner end of the door frame 1 and the upper inner end of the threshold 5; door panels 3 are symmetrically provided on the left and right sides of the middle of the upper end of the threshold 5, and the door panels 3 and the automatic door opening mechanism 10 are connected to each other. Fixed plates 14 are provided at the upper and lower ends of the door panels 3, and abutment blocks 15 are provided at the ends of the fixed plates 14. Ball bearings 13 are provided in the middle of the abutment blocks 15, and the ball bearings 13 are rollingly connected to the sliding members 6 at corresponding positions. A handle 4 is provided at the front end of the door panel 3, and fireproof expansion sealing strips 2 are provided on the left and right side walls of the door panel 3. The door panel 3 includes a door leaf decorative panel 301 , a cold-rolled steel plate 302 and a fireproof door core panel 303 . The cold-rolled steel plates 302 are symmetrically arranged on the front and rear sides of the fireproof door core panel 303 . The outer side walls of the cold-rolled steel plates 302 are all provided with door leaf decorative panels 301 . The automatic door opening mechanism 10 includes a rotating shaft 1001, a support block 1005 and an electric cylinder 1004. The support blocks 1005 are arranged on the left and right sides of the center block 11. The support blocks 1005 are connected to one end of the electric cylinder 1004. One end of the rotating shaft 1001 extends to the inner side of the door beam 9 and is fixedly sleeved with a rotating block 1002. The side wall of the rotating block 1002 is connected to a connecting block 1003. The connecting block 1003 is connected to the other end of the electric cylinder 1004. The other end of the rotating shaft 1001 is connected to the threshold 5 through a bearing. The side wall of the rotating shaft 1001 is symmetrically provided with support rods 1007. The inner sides of the support rods 1007 are all provided with short shafts 1006. The support rods 1007 are connected to the door panel 3 through the short shafts 1006. The angle between the connecting block 1003 and the support rod 1007 is a fixed value. The sliding member 6 includes a sliding groove 601, a ball groove 602 and a groove 603. The sliding groove 601 is symmetrically arranged at the inner upper end of the door sill 5 and the inner upper end of the door frame 1. A ball groove 602 is arranged on the inner side of the sliding groove 601. The ball groove 602 is rollingly connected to the ball 13. A groove 603 is arranged inside the sliding groove 601 located in front of the ball groove 602. The length of the groove 603 matches the length of the support rod 1007.The smoke sensor 7 senses the smoke concentration in the external environment. If it exceeds a preset value, it sends a signal to the controller, and the controller sends a signal to the alarm 8, thereby reminding people that a fire occurs and they need to evacuate in time to avoid casualties; the infrared sensor 12 senses the escaping personnel close to the door panel 3, and sends a signal to the controller. The controller starts the electric cylinders 1004 on the left and right sides, and the electric cylinders 1004 extend to drive the connecting block 1003 to rotate, thereby driving the rotating shaft 1001 to rotate. The side wall of the rotating shaft 1001 is provided with a support rod 1007, and the support rod 1007 is connected to the door panel 3 through a short shaft 1006. A fixed plate 14 is provided at the upper end of the door panel 3, and an abutment block 15 is provided at the upper end of the fixed plate 14. A ball 13 is provided in the middle of the abutment block 15. The ball 13 is rollingly connected to the ball groove 602 of the sliding member 6, so that the door panel 3 moves left and right along the ball groove 602, driving the door panel 3 to open, so that the door panel 3 automatically opens and closes, avoiding the problem that the steel fire door has a large dead weight, is not flexible in opening and closing, and is not convenient for escape. The door panel 3 contains cold-rolled steel plate 302, which makes it difficult for flames to pass through the fire door, and can effectively play the role of fire prevention and fire isolation, and has the effect of suppressing the spread of fire; fire-proof expansion sealing strips 2 are provided between the door panels 3 and between the door panels 3 and the side walls of the rotating shaft 1001, which have the effect of fire isolation, prevent the fire from continuing to spread, and avoid smoke from entering through the door gap to affect the breathing of escaping people.

[0032] The model of the smoke sensor 7 is MQ-2, the model of the alarm 8 is ZD-01AC36V, and the model of the infrared sensor 12 is D203S.

[0033] A method for assembling a fireproof and heat-insulating steel door, characterized by comprising the following steps:

[0034] 1. Assemble the door frame: fix the door beam 9 on the top of the door frame 1, and fix the door sill 5 on the bottom of the door frame 1;

[0035] 2. Install the automatic door opening mechanism: Install the automatic door opening mechanism 10 symmetrically on the left and right sides of the door beam 9;

[0036] 3. Install the sliding parts: install the two sets of sliding parts 6 to the top of the inner side of the door frame 1 and the top of the threshold 5 respectively;

[0037] 4. Install the door panel: fix the door panel 3 to the rotating shaft 1001 of the automatic door opening mechanism 10, and control the opening and closing of the door panel 3 through the automatic door opening mechanism;

[0038] 5. Install the auxiliary parts: Install the auxiliary parts corresponding to the sliding parts 6 to the top and bottom of the door panel 3.

[0039] In step 1, the door frame 1, the door beam 9 and the door sill 5 are fixed by welding.

[0040] In step 2, the automatic door opening mechanism 10 includes a rotating shaft 1001, a support block 1005 and an electric cylinder 1004. The support block 1005 is installed on the left and right sides of the center block 11. One end of the support block 1005 and the electric cylinder 1004 are hingedly connected. One end of the rotating shaft 1001 extends to the inner side of the door beam 9 and is fixedly sleeved with a rotating block 1002. The side wall of the rotating block 1002 is rotatably connected to the connecting block 1003. The connecting block 1003 is rotatably connected to the other end of the electric cylinder 1004. The other end of the rotating shaft 1001 is connected to the door sill 5 through a bearing. Support rods 1007 are symmetrically installed on the upper and lower side walls of the rotating shaft 1001. Short shafts 1006 are installed on the inner side of the support rods 1007. The support rods 1007 are connected to the door panel 3 through the short shafts 1006.

[0041] In step five, the auxiliary component includes a fixing plate 14, an abutment block 15 is installed at the end of the fixing plate 14, a ball 13 is installed in the middle of the abutment block 15, and the ball 13 is rollingly connected to the sliding member 6 at the corresponding position.

[0042] In Example 1, the control device that enables the device to work and its supporting control system, switch, and drive module are provided by the corresponding manufacturers. In addition, the power supply module, circuit, electronic components, and control module involved in the present invention are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to the internal structure and method.

[0043] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A fireproof and heat-insulating steel door, comprising a door frame (1), a door threshold (5) and a door beam (9), characterized in that: The lower end of the door frame (1) is provided with a threshold (5), the upper end of the door frame (1) is provided with a door beam (9), the middle part of the inner side of the door beam (9) is provided with a center block (11), the left and right sides of the door beam (9) are symmetrically provided with automatic door opening mechanisms (10), the front end of the door beam (9) is provided with a smoke sensor (7) and an alarm (8) in sequence from left to right, the front end of the door beam (9) located above the smoke sensor (7) is provided with an infrared sensor (12), and the upper inner end of the door frame (1) and the upper inner end of the threshold (5) are both provided with sliding members (6); Door panels (3) are symmetrically arranged on the left and right sides of the middle of the upper end of the threshold (5); the door panels (3) are connected to the automatic door opening mechanism (10); the upper and lower ends of the door panels (3) are provided with fixing plates (14); the ends of the fixing plates (14) are provided with abutment blocks (15); the middle parts of the abutment blocks (15) are provided with balls (13); the balls (13) are rollingly connected to the sliding members (6) at the corresponding positions; the front end of the door panels (3) is provided with a handle (4); the left and right side walls of the door panels (3) are provided with fireproof expansion sealing strips (2).

2. The fireproof and heat-insulating steel door according to claim 1, characterized in that: The door panel (3) comprises a door leaf decorative plate (301), a cold-rolled steel plate (302) and a fireproof door core plate (303); the fireproof door core plate (303) is symmetrically provided with cold-rolled steel plates (302) on both sides thereof; and the outer side walls of the cold-rolled steel plates (302) are provided with door leaf decorative plates (301).

3. The fireproof and heat-insulating steel door according to claim 1, characterized in that: The automatic door opening mechanism (10) comprises a rotating shaft (1001), a support block (1005) and an electric cylinder (1004), wherein the support block (1005) is arranged on the left and right sides of the center block (11), the support block (1005) is connected to one end of the electric cylinder (1004), one end of the rotating shaft (1001) extends to the inner side of the door beam (9) and is fixedly sleeved with a rotating block (1002), the side wall of the rotating block (1002) is connected to a connecting block (1003), the connecting block (1003) is connected to the other end of the electric cylinder (1004), the other end of the rotating shaft (1001) is connected to the door sill (5) via a bearing, and the side wall of the rotating shaft (1001) is symmetrically provided with support rods (1007) at the upper and lower sides, the inner sides of the support rods (1007) are each provided with a short shaft (1006), and the support rods (1007) are connected to the door panel (3) via the short shaft (1006).

4. The fireproof and heat-insulating steel door according to claim 1, characterized in that: The sliding member (6) comprises a sliding groove (601), a ball groove (602) and a groove (603); the sliding groove (601) is symmetrically arranged at the inner upper end of the door sill (5) and the inner upper end of the door frame (1); a ball groove (602) is arranged inside the sliding groove (601); the ball groove (602) is rollingly connected to the ball (13); a groove (603) is arranged inside the sliding groove (601) located in front of the ball groove (602); and the length of the groove (603) matches the length of the support rod (1007).

5. The fireproof and heat-insulating steel door according to claim 1, characterized in that: The fireproof and heat-insulating steel door according to claim 1 is characterized in that: the model of the smoke sensor (7) is MQ-2, the model of the alarm (8) is ZD-01AC36V, and the model of the infrared sensor (12) is D203S.

6. The method for assembling a fireproof and heat-insulating steel door according to any one of claims 1 to 6, characterized in that: The following steps are involved:

1. Assemble the door frame: fix the door beam 9 on the top of the door frame 1, and fix the door threshold 5 on the bottom of the door frame 1; 2. Install the automatic door opening mechanism: Install the automatic door opening mechanism 10 symmetrically on the left and right sides of the door beam 9; 3. Install the sliding parts: install the two sets of sliding parts 6 to the top of the inner side of the door frame 1 and the top of the threshold 5 respectively; 4. Install the door panel: fix the door panel 3 to the rotating shaft 1001 of the automatic door opening mechanism 10, and control the opening and closing of the door panel 3 through the automatic door opening mechanism; 5. Install the auxiliary parts: Install the auxiliary parts corresponding to the sliding parts 6 to the top and bottom of the door panel 3.

7. The method for assembling a fireproof and heat-insulating steel door according to claim 7, characterized in that: In step 1, the door frame 1, the door beam 9 and the door sill 5 are fixed by welding.

8. The method for assembling a fireproof and heat-insulating steel door according to claim 7, characterized in that: In step 2, the automatic door opening mechanism 10 includes a rotating shaft 1001, a support block 1005 and an electric cylinder 1004. The support block 1005 is installed on the left and right sides of the center block 11. One end of the support block 1005 and the electric cylinder 1004 are hingedly connected. One end of the rotating shaft 1001 extends to the inner side of the door beam 9 and is fixedly sleeved with a rotating block 1002. The side wall of the rotating block 1002 is rotatably connected to the connecting block 1003. The connecting block 1003 is rotatably connected to the other end of the electric cylinder 1004. The other end of the rotating shaft 1001 is connected to the door sill 5 through a bearing. Support rods 1007 are symmetrically installed on the upper and lower side walls of the rotating shaft 1001. Short shafts 1006 are installed on the inner side of the support rods 1007. The support rods 1007 are connected to the door panel 3 through the short shafts 1006.

9. The method for assembling a fireproof and heat-insulating steel door according to claim 7, characterized in that: In step five, the auxiliary component includes a fixing plate 14, an abutment block 15 is installed at the end of the fixing plate 14, a ball 13 is installed in the middle of the abutment block 15, and the ball 13 is rollingly connected to the sliding member 6 at the corresponding position.

Images