Ground spring door airtight structure and external envelope system curtain wall frame

Abstract

The utility model relates to the technical field of buildings, and discloses a spring door airtight structure and an external envelope system curtain wall framework, the spring door airtight structure comprises a door body, a spring bolt and a sealing assembly, the door body is suitable for being movably installed on a curtain wall keel based on a reinforced concrete structural slab and a structural ground, and the spring bolt is inserted into the door body. The two ground spring bolts are vertically installed at the top end and the bottom end of the door body, the ends, away from the door body, of the ground spring bolts are suitable for being rotationally connected with the curtain wall keel and the structural ground, and the sealing assembly is arranged between the door body and the curtain wall keel and between the door body and the structural ground. When the door body is closed, gaps between the door body and the curtain wall keel and between the door body and the structural ground are reduced, the air tightness of the spring door is improved, and therefore the overall heat preservation and energy saving performance of a building is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to the airtightness structure of a floor spring door and the curtain wall frame of an external protection system. Background Art

[0002] With the continuous improvement of people's living standards, the requirements for public environments such as living, working, and entertainment are also getting higher and higher. Improving the thermal insulation and energy-saving performance of buildings has become the development direction of modern architecture on the premise of meeting the use functions. In building structures, the door is the weakest part in terms of thermal insulation performance.

[0003] Taking the floor spring door as an example, the floor spring door is a common type of door in construction projects. It is a door that can be freely opened inside and outside. The floor spring door usually adopts a buried door hinge spring or an internal vertical floor spring. The door leaf can be freely opened inside and outside, and the door leaf is in the closed position when not touched.

[0004] In the prior art, when installing the floor spring door, usually for the convenience of installation and the convenience of personnel entry and exit, there will be relatively large gaps between the floor spring door and the wall and the ground, resulting in poor airtightness of the floor spring door, thus affecting the thermal insulation and energy-saving performance of the building. Summary of the Utility Model

[0005] In view of this, the utility model provides an airtightness structure of a floor spring door and a curtain wall frame of an external protection system to solve the problem of poor airtightness of the floor spring door in the curtain wall frame in the existing technology.

[0006] In a first aspect, the utility model provides an airtightness structure of a floor spring door, which includes a door body, floor spring bolts, and a sealing component. The door body is suitable for being movably installed on the curtain wall keel and the structural ground based on a reinforced concrete structural slab. Two floor spring bolts are vertically installed at the top and bottom of the door body. The end of the floor spring bolt far from the door body is suitable for being rotatably connected to the curtain wall keel and the structural ground. The sealing component is arranged between the door body and the curtain wall keel and the structural ground.

[0007] Beneficial effects: By arranging a sealing component between the door body and the curtain wall keel and the structural ground, when the door body is closed, the gap between the door body and the curtain wall keel and the structural ground is reduced, the airtightness of the floor spring door structure is improved, and thus the overall thermal insulation and energy-saving performance of the building is increased.

[0008] In an optional embodiment, the sealing component includes a first sub-frame, a second sub-frame, a first sealing member, and a second sealing member. The first sub-frame is suitable for being vertically and fixedly installed on the curtain wall keel on the side close to the floor spring bolt. The second sub-frame is suitable for being fixedly installed on the curtain wall keel. A cavity for installing the door body is enclosed between the first sub-frame and the second sub-frame. The first sealing member is arranged between the first sub-frame and the door body, and the second sealing member is arranged between the second sub-frame and the door body.

[0009] Beneficial effects: By providing the first seal and the second seal, the present utility model can ensure that when the door body is in the closed state, there is good sealing between the door body and the curtain wall keel and the structural floor, avoiding air leakage between the indoor and outdoor areas.

[0010] In an alternative embodiment, the first seal is connected to the door body and forms a sealed state with the first sub-frame, and the second seal is fixedly connected to the second sub-frame and the curtain wall keel to form a sealed state.

[0011] Beneficial effects: In the present utility model, when the door body is in the closed state, the first seal on the side of the door body where the floor spring bolt is provided abuts against the first sub-frame, and the rest of the door body abuts against the second seal, so that the door body is in a sealed state with the curtain wall keel and the structural floor, avoiding air leakage between the indoor and outdoor areas.

[0012] In an alternative embodiment, the first sub-frame is provided with an arc-shaped groove on the side facing the door body.

[0013] Beneficial effects: The present utility model provides an arc-shaped groove on the side of the first sub-frame facing the door body. When the door body rotates with the floor spring bolt as the rotation axis, the arc-shaped groove can prevent interference between the door body and the first seal and the first sub-frame, ensuring that the door body can rotate freely.

[0014] In an alternative embodiment, the second sub-frame is provided on the indoor side of the curtain wall keel and the structural floor.

[0015] Beneficial effects: The present utility model provides the second sub-frame on the indoor side of the curtain wall keel and the structural floor. When closing the door body, when the door body moves to the second sub-frame, it can play a role in limiting the door body, restricting the door body to open only in the outdoor direction. When the outdoor wind speed is relatively high, it can ensure that the door body will not be blown open indoors.

[0016] In an alternative embodiment, the sealing assembly further includes a third seal, which is provided on the door body, on the side close to the outdoor, and is adapted to abut against the second seal.

[0017] Beneficial effects: By providing the third seal, the present utility model further increases the sealing performance of the door body.

[0018] In an alternative embodiment, the floor spring door body further includes a handle, which is provided on the side of the door body away from the floor spring bolt.

[0019] Beneficial effects: By providing the handle, the present utility model facilitates the opening and closing of the door body.

[0020] In an alternative embodiment, the floor spring door body further includes a lock body, which is provided inside the door body and is movably connected to the handle.

[0021] Beneficial effects: By arranging a lock body inside the door body, the present utility model enhances the safety protection of the door body.

[0022] In a second aspect, the present utility model also provides a curtain wall frame for an external enclosure system, which includes a reinforced concrete structural slab, keels, and the above-mentioned airtight structure of the floor spring door. The keels are fixedly installed between the upper reinforced concrete structural slab and the lower structural ground, and the door body is movably connected within the frame formed by the keels.

[0023] In an optional embodiment, the keels include a first keel and a second keel. The first keel is arranged at the top of the door body, and two second keels are respectively arranged on both sides of the door body. The second keels are fixedly connected between the reinforced concrete structural slab and the structural ground, and the second keels are fixedly connected to the first keel.

[0024] By arranging a sealing component between the door body and the curtain wall keels and the structural ground, when the door body is closed, the present utility model reduces the gap between the door body and the curtain wall keels and the structural ground, improves the airtightness of the floor spring door structure, and thus enhances the heat preservation and energy-saving performance of the curtain wall frame of the external enclosure system. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is the front view of an airtight structure of a floor spring door according to an embodiment of the present utility model;

[0027] Figure 2 It is Figure 1 the sectional view taken along the line A-A in

[0028] Figure 3 It is Figure 1 the sectional view taken along the line B-B in

[0029] Figure 4 It is Figure 2 the enlarged schematic view at position A in

[0030] Figure 5 It is Figure 2 the enlarged schematic view at position B in

[0031] Figure 6 It is Figure 3 the enlarged schematic view at position C in

[0032] Figure 7 For Figure 3 The enlarged schematic diagram at position D in

[0033] Explanation of reference numerals in the drawings:

[0034] 1. Door body; 2. Floor spring bolt; 3. Sealing assembly; 301. First sub-frame; 302. Second sub-frame; 303. First seal; 304. Second seal; 305. Third seal; 4. Handle; 5. Lock body; 6. Reinforced concrete structural slab; 7. Curtain wall keel; 701. First keel; 702. Second keel; 8. Structural ground. Specific embodiments

[0035] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] Below in conjunction with Figures 1 to 7 , describe the embodiments of the present utility model.

[0037] According to an embodiment of the present utility model, on the one hand, as Figures 1 to 7 shown, a floor spring door airtightness structure is provided, including a door body 1, a floor spring bolt 2 and a sealing assembly 3. The door body 1 is suitable for being movably installed on a curtain wall keel 7 and a structural ground 8 based on a reinforced concrete structural slab 6. Two floor spring bolts 2 are vertically installed at the top and bottom of the door body 1. One end of the floor spring bolt 2 away from the door body 1 is suitable for being rotatably connected to the curtain wall keel 7 and the structural ground 8. The sealing assembly 3 is arranged between the door body 1 and the curtain wall keel 7 and the structural ground 8.

[0038] Specifically, in this embodiment, no specific limitation is imposed on the reinforced concrete structural slab 6. To conform to the actual situation, a curtain wall keel 7 is installed between the reinforced concrete structural slab 6 and the structural ground 8 in this embodiment, and a door opening is reserved between the curtain wall keel 7 and the structural ground 8 in this embodiment.

[0039] In this embodiment, there are two floor spring bolts 2. One is arranged at the top of the door body 1 and is connected to the curtain wall keel 7, and the other is arranged at the bottom of the door body 1 and is connected to the structural ground 8. The door body 1 can rotate between the curtain wall keel 7 and the structural ground 8 with the floor spring bolt 2 as the rotation axis, thereby realizing the opening or closing of the door body 1.

[0040] In this embodiment, the sealing assembly 3 is arranged around the door body 1 and is located in the gap between the door body 1 and the curtain wall keel 7 and the structural ground 8.

[0041] The utility model reduces the gaps between the door body 1, the curtain wall keel 7 and the structural floor 8 by arranging a sealing assembly 3 therebetween. When the door body 1 is closed, the airtightness of the ground spring door airtightness structure is improved, thereby increasing the overall heat preservation and energy saving performance of the building.

[0042] In one embodiment, as Figures 2 to 7 shown, the sealing assembly 3 includes a first sub-frame 301, a second sub-frame 302, a first seal 303 and a second seal 304. The first sub-frame 301 is suitable for being vertically and fixedly installed on the curtain wall keel 7 close to one side of the ground spring bolt 2. The second sub-frame 302 is suitable for being fixedly installed on the curtain wall keel 7. A cavity for installing the door body 1 is enclosed between the first sub-frame 301 and the second sub-frame 302. The first seal 303 is arranged between the first sub-frame 301 and the door body 1, and the second seal 304 is arranged between the second sub-frame 302 and the door body 1.

[0043] Specifically, in this embodiment, the first sub-frame 301 is vertically arranged on the second keel 702 close to one side of the ground spring bolt 2, the second sub-frame 302 is arranged on the other two sides of the second keel 702 and the structural floor 8, and the first sub-frame 301 and the second sub-frame 302 enclose a rectangular structure, and the door body 1 is installed in this rectangular structure.

[0044] In this embodiment, the first sub-frame 301 and the second sub-frame 302 are integrally fixed to the curtain wall keel 7 and the structural floor 8 by self-tapping screws.

[0045] The utility model can ensure good sealing between the door body 1, the curtain wall keel 7 and the structural floor 8 when the door body 1 is in a closed state by arranging the first seal 303 and the second seal 304, and avoid the situation of air leakage between indoors and outdoors.

[0046] In one embodiment, as Figures 4 to 7 shown, the first seal 303 is fixedly connected to the door body 1 to form a sealed state, and the second seal 304 is fixedly connected to the second sub-frame 302 and the curtain wall keel 7 to form a sealed state.

[0047] Specifically, in this embodiment, the first seal 303 is fixedly installed on one side of the door body 1 to avoid affecting the opening of the door body 1. When the door body 1 is closed, the first seal 303 abuts against the first sub-frame 301. The second seal 304 is fixedly installed on the side of the second sub-frame 302 facing the door body 1. When the door body 1 is closed, the door body 1 abuts against the second seal 304.

[0048] In the present utility model, when the door body 1 is in the closed state, a first seal 303 on the vertical side of the door body 1 close to the floor spring bolt 2 abuts against the first sub-frame 301, and the remaining sides of the door body 1 abut against the second seal 304, so that the door body 1 is in a sealed state with the curtain wall keel 7 and the structural floor 8, avoiding air leakage between the indoor and outdoor areas.

[0049] In one embodiment, as Figure 4 shown, an arc-shaped groove is provided on the side of the first sub-frame 301 facing the door body 1.

[0050] Specifically, in this embodiment, the first sub-frame 301 is made of aluminum alloy, the width of the first sub-frame 301 is greater than the thickness of the door body 1, and an arc-shaped groove is provided on the side of the first sub-frame 301 facing the door body 1. When the door body 1 rotates, the side part of the door body 1 can slide in the arc-shaped groove without interfering with the first sub-frame 301. In this embodiment, the first seal 303 can move in the arc-shaped groove. When the door body 1 is closed, the first seal 303 on the door body 1 abuts against the first sub-frame 301.

[0051] In this embodiment, the second sub-frame 302 is made of a "U"-shaped aluminum alloy profile, and the second seal 304 is installed in the "U"-shaped groove of the second sub-frame 302.

[0052] In the present utility model, an arc-shaped groove is provided on the side of the first sub-frame 301 facing the door body 1. When the door body 1 rotates with the floor spring bolt 2 as the rotation axis, the arc-shaped groove can prevent interference between the door body 1 and the first sub-frame 301, ensuring that the door body 1 can rotate freely.

[0053] In one embodiment, as Figures 5 to 7 shown, the second sub-frame 302 is arranged on the indoor side of the curtain wall keel 7 and the structural floor 8.

[0054] In the present utility model, the second sub-frame 302 is arranged on the indoor side of the curtain wall keel 7 and the structural floor 8. When the door body 1 is closed and moves to the second sub-frame 302, it can play a role in limiting the door body 1, restricting the door body 1 to open only in the outdoor direction. When the outdoor wind speed is relatively high, it can ensure that the door body 1 will not be blown open into the room.

[0055] In one embodiment, as Figures 5 to 7 shown, the sealing assembly 3 further includes a third seal 305. The third seal 305 is arranged on the door body 1, on the side close to the outdoor, and is adapted to abut against the second seal 304.

[0056] Specifically, in this embodiment, the third seal 305 is in an "L" shape and is fixedly installed on the door body 1, on the outdoor side. When the door body 1 is in the closed state, the third seal 305 abuts against the second seal 304.

[0057] In this embodiment, no specific limitations are imposed on the first seal 303, the second seal 304, and the third seal 305. To conform to the actual situation, in this embodiment, the first seal 303, the second seal 304, and the third seal 305 are made of ethylene propylene diene monomer (EPDM) rubber sealing strips. The first seal 303, the second seal 304, and the third seal 305 are adhered to the first sub-frame 301 and the second sub-frame 302 by self-adhesive glue.

[0058] By providing the third seal 305, the present utility model reduces the gaps between the door body 1 and the curtain wall keel 7 and the structural floor 8, further enhancing the sealing performance of the door body 1.

[0059] In one embodiment, as Figures 1 to 3 and Figure 5 shown, the airtight structure of the floor spring door further includes a handle 4, which is provided on the side of the door body 1 away from the floor spring bolt 2.

[0060] Specifically, in this embodiment, handles 4 are provided on both the indoor and outdoor sides of the door body 1, facilitating the user to open and close the door body 1 from indoors or outdoors.

[0061] By providing the handle 4, the present utility model facilitates the opening and closing of the door body 1.

[0062] In one embodiment, as Figure 1 shown, the airtight structure of the floor spring door further includes a lock body 5, which is disposed inside the door body 1 and is movably connected to the handle 4.

[0063] By disposing the lock body 5 inside the door body 1, the present utility model enhances the safety protection of the door body 1.

[0064] According to an embodiment of the present utility model, as Figure 1 shown, on the other hand, a curtain wall frame of an external protection system is further provided, which includes a reinforced concrete structural slab 6, a curtain wall keel 7, and the above-mentioned airtight structure of the floor spring door. The curtain wall keel 7 is fixedly installed between the upper reinforced concrete structural slab 6 and the lower structural floor 8, and the door body 1 is movably connected to the curtain wall keel 7.

[0065] In one embodiment, as Figure 1 shown, the curtain wall keel 7 includes a first keel 701 and a second keel 702. The first keel 701 is disposed at the top of the door body 1, and two second keels 702 are respectively disposed on both sides of the door body 1. The second keel 702 is fixedly connected between the reinforced concrete structural slab 6 and the structural floor 8, and the second keel 702 is fixedly connected to the first keel 701.

[0066] Specifically, in this embodiment, the first keel 701 is horizontally arranged at the top of the door opening, and two second keels 702 are vertically arranged on both sides of the door opening. One end of the second keel 702 is connected to the first keel 701, and the other end abuts against the reinforced concrete structural slab 6 and the structural floor 8. The first keel 701 and the second keel 702 enclose a "door" - shaped structure. The first sub - frame 301 is fixedly connected to the second keel 702 on one side, and the second sub - frame 302 is fixedly connected to the first keel 701 and the second keel 702 on the other side.

[0067] In this embodiment, the construction process of the curtain wall frame of the external protection system is as follows:

[0068] Step 1: Complete the installation construction of the first keel 701 and the second keel 702 of the curtain wall according to the design drawings.

[0069] Step 2: Install the first sub - frame 301 and the second sub - frame 302 respectively.

[0070] Step 3: Install the first seal 303 and the second seal 304 on the corresponding first sub - frame 301 and second sub - frame 302 respectively.

[0071] Step 4: Use self - tapping screws to integrally fix the first sub - frame 301 and the second sub - frame 302, the first seal 303 and the second seal to the first keel 701 and the second keel 702.

[0072] Step 5: On the outer side of the door body 1, except on the side with the floor spring door bolt, stick the third seal 305 with self - adhesive.

[0073] Although the embodiments of the present utility model are described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. An airtight structure of a spring door, characterized in that: include: A door body (1), wherein the door body (1) is suitable for being movably installed on a curtain wall keel (7) and a structural floor (8) based on a reinforced concrete structural slab (6); A ground-spring latch (2), wherein two ground-spring latches (2) are vertically mounted at the top and bottom ends of the door body (1), and one end of the ground-spring latch (2) away from the door body (1) is suitable for being rotatably connected to the curtain wall keel (7) and the structural floor (8); A sealing component (3), wherein the sealing component (3) is arranged between the door body (1), the curtain wall keel (7) and the structural ground (8).

2. The airtight structure of the floor spring door according to claim 1 is characterized in that: The sealing assembly (3) comprises: A first sub-frame (301), the first sub-frame (301) being adapted to be vertically fixedly mounted on the curtain wall keel (7) close to a side of the ground spring pin (2); A second sub-frame (302), the second sub-frame (302) being adapted to be fixedly mounted on the curtain wall keel (7), the first sub-frame (301) and the second sub-frame (302) enclosing a cavity for mounting the door body (1); A first sealing member (303), wherein the first sealing member (303) is arranged between the first sub-frame (301) and the door body (1); A second sealing member (304), wherein the second sealing member (304) is arranged between the second sub-frame (302) and the door body (1).

3. The airtight structure of the floor spring door according to claim 2 is characterized in that: The first sealing member (303) is fixedly connected to the door body (1) and forms a sealing state with the first sub-frame (301); the second sealing member (304) is fixedly connected to the second sub-frame (302) and the curtain wall keel (7) to form a sealing state.

4. The airtight structure of the floor spring door according to claim 2, characterized in that: An arc-shaped groove is provided on a side of the first sub-frame (301) facing the door body (1).

5. The airtight structure of the floor spring door according to any one of claims 2 to 4, characterized in that: The second sub-frame (302) is arranged on a side of the curtain wall keel (7) and the structural floor (8) located indoors.

6. The airtight structure of the floor spring door according to claim 2, characterized in that: The sealing assembly (3) further comprises: A third sealing member (305), wherein the third sealing member (305) is arranged on the door body (1) and is located on a side close to the outside of the room, and is suitable for abutting against the second sealing member (304).

7. The airtight structure of the floor spring door according to claim 1, characterized in that: Also includes: A handle (4), wherein the handle (4) is arranged on a side of the door body (1) away from the ground spring latch (2).

8. The airtight structure of the floor spring door according to claim 7, characterized in that: Also includes: A lock body (5), wherein the lock body (5) is arranged in the door body (1), and the lock body (5) is movably connected to the handle (4).

9. An external enclosure system curtain wall frame, characterized in that: include: Reinforced concrete structural slab (6); The curtain wall keel (7) is installed between the upper reinforced concrete structural slab (6) and the lower structural floor (8); The airtight structure of the floor-spring door according to any one of claims 1 to 8, wherein the door body (1) is movably connected to the curtain wall keel (7).

10. The external enclosure system curtain wall frame according to claim 9, characterized in that: The curtain wall keel (7) comprises: A first keel (701), wherein the first keel (701) is arranged on the top of the door body (1); A second keel (702), two second keels (702) are respectively arranged on both sides of the door body (1), the second keels (702) are fixedly connected between the reinforced concrete structural plate (6) and the structural ground (8), and the first keel (701) is fixedly connected to the second keel (702).

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