Fireproof door capable of being opened in different directions

Abstract

The utility model relates to an opposite-direction double-opening fireproof door which comprises a door frame, the door frame comprises a left door frame and a right door frame, and the left door frame and the right door frame are connected and fixed through a bottom door frame and a top door frame to form a whole. The door leaf unit comprises an inward opening door leaf and an outward opening door leaf, the inward opening door leaf is connected to the left door frame through a forward hinge, the inward opening door leaf is opened towards the inner side through the forward hinge, the outward opening door leaf is connected to the right door frame through a reverse hinge, and the outward opening door leaf is opened towards the outer side through the reverse hinge. The double-open fireproof door can be opened in different directions, the requirement for two-way evacuation is met, and the leakproofness of the fireproof door is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof door technical field, concretely relates to a kind of hetero-directional double-opening fireproof door. BACKGROUND

[0002] With the increasing of social safety awareness and the diversification of building design and use function, as important safety facilities, the market demand of fireproof door continues to grow, and presents the diversification development trend, and the performance expectation of user to product improves.Especially in high-rise building, public place and residential area, the demand of fireproof door is particularly prominent, to ensure that effective evacuation passage and fire separation are provided in emergency such as fire.

[0003] However, the structure of traditional fireproof door product is relatively single, and is usually designed as one-way opening, although it meets the basic fire separation requirement to some extent, but its applicability is limited in the occasion needing two-way evacuation, such as large public place, high-rise building, etc.In addition, although the existing two-way door can realize two-way opening, the gap between door leaf and door frame is usually large, which leads to poor sealing performance, and cannot effectively smoke and heat insulation.

[0004] Therefore, it is necessary to develop a hetero-directional double-opening fireproof door with high airtightness. SUMMARY

[0005] The utility model aims at providing a kind of hetero-directional double-opening fireproof door, can meet the occasion of two-way evacuation demand, and can improve product fireproof performance.

[0006] In the embodiment of the present application, a kind of hetero-directional double-opening fireproof door, comprising:

[0007] Door frame, it includes left door frame and right door frame, the left door frame and right door frame are connected and fixed by bottom door frame and top door frame, form a whole;

[0008] Door leaf unit, the door leaf unit includes inside opening door leaf and outside opening door leaf, the inside opening door leaf is connected on left door frame by right installation hinge, realizes inside opening door leaf to open to inboard side by the right installation hinge, the outside opening door leaf is connected on right door frame by reverse installation hinge, realizes outside opening door leaf to open to outboard side by the reverse installation hinge.

[0009] Optionally, the outdoor side of the bottom door frame is provided with horizontally extending door frame outer baffle lower in the area corresponding to the inside opening door leaf, and the outdoor side of the top door frame is provided with horizontally extending door frame outer baffle upper in the area corresponding to the inside opening door leaf;

[0010] The indoor side of the bottom door frame is provided with horizontally extending door frame inner baffle lower in the area corresponding to the outside opening door leaf, and the indoor side of the top door frame is provided with horizontally extending door frame inner baffle upper in the area corresponding to the outside opening door leaf;

[0011] The middle position of the bottom door frame and the top door frame is connected with a longitudinally extending middle door frame blocking strip; the gap can be effectively eliminated, and the airtightness of the fireproof door is improved.

[0012] Optionally, the inner opening door leaf and the outer opening door leaf are each provided with a door leaf steel edge at one end connected with the door frame;

[0013] The indoor side of the free end of the inner opening door leaf is provided with a door leaf blocking edge corresponding to the middle door frame blocking strip;

[0014] The outdoor side of the free end of the outer opening door leaf is provided with a door leaf steel edge corresponding to the middle door frame blocking strip, so as to eliminate the gap between the inner opening door leaf and the outer opening door leaf and the middle door frame blocking strip when the inner opening door leaf and the outer opening door leaf are closed, and improve the airtightness of the fireproof door.

[0015] Optionally, the door leaf steel edge is in a "concave" shape, and a gap of 3-5 mm is provided between the door leaf steel edge arranged on the inner opening door leaf and the left door frame and between the door leaf steel edge arranged on the outer opening door leaf and the right door frame; so as to ensure the normal opening and closing of the inner opening door leaf and the outer opening door leaf.

[0016] Optionally, the inner sides of the left door frame and the right door frame are each provided with a fireproof sealing rubber strip; so as to ensure the tightness of the gap between the left door frame and the right door frame and the door leaf steel edge, and improve the airtightness of the fireproof door.

[0017] Optionally, the inner opening door leaf and the outer opening door leaf each include a door leaf body and an inorganic fireproof core plate arranged in the door leaf body; so as to ensure good fireproof effect, and meet the fireproof requirements of different occasions.

[0018] Optionally, the door leaf body is made of a steel plate.

[0019] Optionally, the door frame is made of a fireproof material; and has good fireproof ability.

[0020] Optionally, the door frame outer blocking strip, the door frame inner blocking strip, the door frame outer blocking strip, the door frame inner blocking strip and the middle door frame blocking strip are each made of a fireproof material; and have good fireproof ability.

[0021] The utility model has the following advantages:

[0022] (1) The fireproof door with different opening directions realizes different opening directions, can be applied to different evacuation directions, improves evacuation efficiency and product applicability, and provides a new solution for building safety.

[0023] (2) The design of the door frame blocking strip, the door leaf blocking edge and the fireproof sealing rubber strip significantly improves the airtightness of the fireproof door and enhances the smoke and heat insulation capacity. DRAWINGS

[0024] Figure 1 This is a front view of the opposite-direction double-opening fire door described in the embodiments of this application;

[0025] Figure 2 for Figure 1 A cross-sectional view along line AA in the middle;

[0026] Figure 3 This is a schematic cross-sectional view of the closed double-opening fire door described in the embodiments of this application;

[0027] Explanation of the markings in the attached figures:

[0028] 1. Door frame, 101. Left door frame, 102. Right door frame, 103. Bottom door frame, 104. Top door frame, 105. Lower outer door frame retaining strip, 106. Upper outer door frame retaining strip, 107. Lower inner door frame retaining strip, 108. Upper inner door frame retaining strip, 109. Middle door frame retaining strip, 2. Door leaf unit, 201. Inward opening door leaf, 202. Outward opening door leaf, 203. Door leaf edge, 204. Door leaf steel edge, 205. Inorganic fireproof core board, 206. Steel plate, 3. Right-mounted hinge, 4. Reverse-mounted hinge, 5. Fireproof sealing strip. Detailed Implementation

[0029] The following description, with reference to the accompanying drawings and preferred embodiments, illustrates the implementation of the technical solution of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be understood that the preferred embodiments are only for illustrating this utility model and not for limiting the scope of protection of this utility model.

[0030] like Figures 1 to 3 As shown, a double-leaf fire door with opposing directions includes a door frame 1 and a door leaf unit 2. A left door frame 101 and a right door frame 102 are respectively provided on both sides of the door frame 1. The left door frame 101 and the right door frame 102 are connected and fixed together by a bottom door frame 103 and a top door frame 104, forming a whole. The door leaf unit 2 consists of an inward-opening door leaf 201 and an outward-opening door leaf 202. The inward-opening door leaf 201 is connected to the left door frame 101 by a forward-mounted hinge, allowing it to open inwards to the interior. The outward-opening door leaf 202 is connected to the right door frame 102 by a reverse-mounted hinge, allowing it to open outwards to the exterior. This enables evacuation in different directions, improving evacuation efficiency and applicability.

[0031] like Figure 1 and Figure 2As shown in a possible embodiment, the outdoor side of the bottom door frame 103 is provided with a horizontally extending door frame outer baffle lower 105 in the area corresponding to the inward opening door leaf 201, and the outdoor side of the top door frame 104 is provided with a horizontally extending door frame outer baffle upper 106 in the area corresponding to the inward opening door leaf 201. The indoor side of the bottom door frame 103 is provided with a horizontally extending door frame inner baffle lower 107 in the area corresponding to the outward opening door leaf 202, and the indoor side of the top door frame 104 is provided with a horizontally extending door frame inner baffle upper 108 in the area corresponding to the outward opening door leaf 202. The middle position of the bottom door frame 103 and the top door frame 104 is connected with a longitudinally extending door frame middle baffle 109. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity.

[0032] As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity. Figure 1 Figure 2 As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity.

[0033] As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity. Figure 2 As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity.

[0034] Figure 3 As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity.

[0035] As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity. Figure 3 As shown in a possible embodiment, the indoor side of the free end of the inward opening door leaf 201 is provided with a door leaf baffle 203 corresponding to the door frame middle baffle 109. The outdoor side of the free end of the outward opening door leaf 202 is provided with a door leaf steel edge 204 corresponding to the door frame middle baffle 109. This design eliminates the gap between the inward opening door leaf 201 and the outward opening door leaf 202 and the door frame middle baffle 109 when they are closed. This design eliminates the door gap, significantly improves the sealing of the fireproof door, and enhances the smoke and heat insulation capacity.

[0036] Figure 3 ​​​As shown, in a possible embodiment, the door leaf body is made of a steel plate 206. The door frame 1 is made of fireproof material, wherein the door frame outer lower baffle 105, the door frame inner lower baffle 107, the door frame outer upper baffle 106, the door frame inner upper baffle 108 and the door frame middle baffle 109 are all made of fireproof material.

[0037] In the embodiments of the present application, the right-reading hinge refers to a hinge installed in a conventional manner, and the reverse-reading hinge refers to a hinge installed in a reverse manner.

[0038] The above embodiments are the preferred embodiments of the present application, but the embodiments of the present application are not limited by the above embodiments, and any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present application should be equivalent replacement methods, and all are included in the protection scope of the present application.

Claims

1. A fire door with opposite dual opening, characterized in that, The utility model relates to a door frame and door leaf unit, and belongs to the field of building materials. The door frame (1) comprises a left door frame (101) and a right door frame (102), which are fixedly connected by a bottom door frame (103) and a top door frame (104) to form a whole. The door leaf unit (2) comprises an in-opening door leaf (201) and an out-opening door leaf (202), wherein the in-opening door leaf (201) is connected to the left door frame (101) by a right-assembly hinge (3) to realize the opening of the in-opening door leaf (201) to the inside, and the out-opening door leaf (202) is connected to the right door frame (102) by a reverse-assembly hinge (4) to realize the opening of the out-opening door leaf (202) to the outside. The outside of the bottom door frame (103) is provided with a horizontally-extending door frame outer blocking strip lower portion (105) corresponding to the in-opening door leaf (201), and the outside of the top door frame (104) is provided with a horizontally-extending door frame outer blocking strip upper portion (106) corresponding to the in-opening door leaf (201). The inside of the bottom door frame (103) is provided with a horizontally-extending door frame inner blocking strip lower portion (107) corresponding to the out-opening door leaf (202), and the inside of the top door frame (104) is provided with a horizontally-extending door frame inner blocking strip upper portion (108) corresponding to the out-opening door leaf (202). The middle positions of the bottom door frame (103) and the top door frame (104) are connected with a longitudinally-extending door frame middle blocking strip (109).

2. The reverse-acting double-acting fire door of claim 1, wherein, The in-opening door leaf (201) and the out-opening door leaf (202) are each provided with a door leaf steel edge (204) at the end connected to the door frame. The inside of the free end of the in-opening door leaf (201) is provided with a door leaf blocking edge (203) corresponding to the door frame middle blocking strip (109). The outside of the free end of the out-opening door leaf (202) is provided with a door leaf steel edge (204) corresponding to the door frame middle blocking strip (109).

3. The reverse-acting double-acting fire door of claim 2, wherein, The door leaf steel edge (204) is in a "concave" structure, and a gap of 3-5 mm is provided between the door leaf steel edge (204) arranged on the in-opening door leaf (201) and the left door frame (101), and between the door leaf steel edge (204) arranged on the out-opening door leaf (202) and the right door frame (102).

4. The reverse action double egress fire door of claim 1, wherein, The inside of the left door frame (101) and the right door frame (102) is provided with a fireproof sealing rubber strip (5).

5. The reverse action double egress fire door of claim 1, wherein, The in-opening door leaf (201) and the out-opening door leaf (202) each comprise a door leaf body and an inorganic fireproof core plate (205) arranged in the door leaf body.

6. The reverse-acting double-acting fire door of claim 5, wherein, The door leaf body is made of a steel plate (206).

7. The reverse action double egress fire door of claim 1, wherein, The door frame (1) is made of a fireproof material.

8. The reverse action double egress fire door of claim 1, wherein, The door frame outer blocking strip lower portion (105), the door frame inner blocking strip lower portion (107), the door frame outer blocking strip upper portion (106), the door frame inner blocking strip upper portion (108), and the door frame middle blocking strip (109) are all made of a fireproof material.

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