Built-in cabin door

Abstract

The invention provides a built-in cabin door, and relates to the technical field of underground building entrance structures. Comprising a door frame, guide groove assemblies and sliding door assemblies. The door frame is horizontally arranged at an entrance of a cellar or an underground space and fixedly connected with a building body of the cellar or the underground space. When the sliding door assembly is in the closed state, a driving piece in the sliding door assembly drives a door body to be embedded in a door opening hole formed in a door frame, and the upper end face of the door body, the upper end face of the door frame and the ground are located on the same horizontal plane so as to be hidden in a cellar or a building structure of an underground space. Meanwhile, a first lock catch part arranged in the guide groove assembly and a second lock catch part arranged in the sliding door assembly are in a mutual locking state; when the door body is in the open state, the driving piece drives the door body to move, the first lock catch part and the second lock catch part are separated from each other, and the door body and the door opening hole are in a staggered state; and opening and closing are achieved through driving of the driving piece, so that the functions of automatic opening and closing are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of underground building entrance structures and relates to an in-built hatch door. Background Art

[0002] The hatch door at the entrance of a cellar or underground space, as an entrance and exit, is crucial for its safety, stability and convenience. However, the existing hatch doors of cellars or underground spaces usually need to be manually operated during the opening and closing process, and the door body is exposed after being opened, affecting the requirements of convenience, safety and aesthetics of the entrance. Summary of the Invention

[0003] To solve the above problems, the present invention provides an in-built hatch door capable of automatically opening and closing. This door has the functions of automatic opening and closing, and the mechanism is designed to be in-built. When the door body is opened, it is hidden inside the cellar, and when it is closed, the outer surface of the door body is flush with the ground, with the functions of concealment, safety and aesthetics.

[0004] The present invention provides an in-built hatch door, including a door frame, a guide groove assembly and a sliding door assembly;

[0005] The door frame is arranged horizontally at the entrance of the cellar or underground space and is fixedly connected to the main building body of the cellar or underground space; and an opening hole is provided on the door frame;

[0006] The guide groove assembly is installed on the door frame, and a first locking portion for locking with the sliding door assembly is provided on the guide groove assembly;

[0007] The sliding door assembly includes a door body, a guide member and a driving member; the guide member is fixedly installed on the door frame, the door body is movably installed on the guide member, one end of the driving member is connected to the door frame, the other end of the driving member is connected to the door body, and a second locking portion for matching with the first locking portion is provided on the door body;

[0008] When the in-built hatch door is in the closed state, the driving member drives the door body to fit into the opening hole, and the upper end surface of the door body, the upper end surface of the door frame and the ground are on the same horizontal plane. At the same time, the first locking portion and the second locking portion are in a locked state with each other; when the in-built hatch door is in the open state, the driving member drives the door body to move, the first locking portion and the second locking portion are separated from each other, and the door body and the opening hole are in a staggered state with each other.

[0009] Furthermore, the door frame includes a first door panel, a second door panel and a side plate;

[0010] The first door panel and the second door panel are arranged at intervals in the vertical direction;

[0011] Four side plates are provided on the side plate for connecting with the peripheries of the first door panel and the second door panel respectively;

[0012] The first door panel, the second door panel and the side panel are connected to each other to form a door frame structure with a cavity.

[0013] Furthermore, a plurality of reinforcing ribs spaced from each other are provided on a single-piece side panel, and both ends of the single-piece reinforcing rib are respectively connected to the first door panel and the second door panel; and a plurality of reinforcing ribs are all provided on the outer end surface of the door frame.

[0014] Furthermore, there are two groups of the guide groove assemblies respectively arranged between the door body and the door frame, and the two groups of guide groove assemblies are respectively arranged on two side end surfaces of the door body parallel to its displacement direction;

[0015] And a single group of the guide groove assemblies is fixedly arranged at the central part of the door opening hole.

[0016] Furthermore, a single group of the guide groove assemblies includes a guide main body, a guide connecting plate and a connecting piece;

[0017] The guide main body is fixedly connected to the side panel, and the guide main body and the guide connecting plate are spaced from each other;

[0018] At least two connecting pieces are provided between the guide main body and the guide connecting plate;

[0019] The guide main body, the guide connecting plate and the connecting piece are connected to each other to form a frame structure with a cavity;

[0020] The first locking portion is arranged on the guide connecting plate and is arranged as an L-shaped groove structure.

[0021] Furthermore, the sliding door assembly further includes a support frame and a hinge;

[0022] The support frame is hinged to the door body through the hinge;

[0023] The second locking portion is arranged as a guide pin shaft, one end of the guide pin shaft is fixedly connected to the support frame, and the other end of the guide pin shaft extends towards the direction close to the guide groove assembly;

[0024] There are two guide members respectively arranged on two side end surfaces of the support frame parallel to each other, one ends of the two guide members are slidably connected to the support frame, and the other ends of the two guide members are respectively installed on the second door panel through bolts;

[0025] The fixed end of the driving member is fixedly connected to the first door panel, and the driving end of the driving member is fixedly connected to the support frame.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The built-in hatch provided by the present invention includes a door frame, a guide groove assembly and a sliding door assembly. When in a closed state, a driving member in the sliding door assembly drives the door body to be embedded in a door opening provided on the door frame, and the upper end surface of the door body, the upper end surface of the door frame and the ground are located on the same horizontal plane, so as to be hidden in the building structure of a cellar or underground space; at the same time, the first locking part provided in the guide groove assembly and the second locking part provided in the sliding door assembly are in a mutually locked state; when in an open state, the driving member drives the door body to move, the first locking part and the second locking part are separated from each other, and the door body and the door opening are in a mutually staggered state; and opening and closing are realized by adopting the drive of the driving member, so as to realize the function of automatic opening and closing. The present invention as a whole has the characteristics of good concealment, safety and aesthetics.

[0028] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0030] Figure 1 It is a schematic diagram of the overall structure of a built-in hatch in an embodiment of the present invention;

[0031] Figure 2 yes Figure 1 Structural diagram of the middle door frame;

[0032] Figure 3 yes Figure 1 A schematic diagram of the structure of the middle guide groove assembly;

[0033] Figure 4 yes Figure 1 A schematic diagram of the structure of the middle sliding door assembly;

[0034] Figure 5 yes Figure 1 A schematic cross-sectional view of the middle door frame and the sliding door assembly after being connected to each other;

[0035] Figure 6 is a cross-sectional schematic diagram of a built-in hatch in an embodiment of the present invention when it is in an opening action;

[0036] Figure 7 It is a cross-sectional schematic diagram of a built-in hatch in an embodiment of the present invention after being opened.

[0037] in:

[0038] 1. Door frame, 101. First door panel, 102. Second door panel, 103. Side panel, 104. Reinforcing rib, 2. Guide groove assembly, 201. Guide body, 202. Guide connecting plate, 203. Connecting piece, 3. Sliding door assembly, 301. Door body, 302. Support frame, 303. Hinge, 304. Guide pin shaft, 305. Guide pressure plate, 306. Driving cylinder. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned purposes, features and advantages of the present invention more clear and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. It should be noted that the drawings of the present invention are all simplified and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the implementation of the present invention; the "number" mentioned in the present invention is not limited to the specific number in the examples in the accompanying drawings; the directions or positional relationships indicated by "front", "middle", "back", "left", "right", "up", "down", "top", "bottom", "middle", etc. mentioned in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor can they be understood as limitations on the present invention.

[0040] Example:

[0041] See also Figures 1 to 5 As shown, the built-in hatch provided by the present invention specifically relates to a built-in automatic opening and closing invisible door for a cellar or underground space building, wherein the door frame 1 is horizontally arranged at the entrance of the cellar or underground space and is fixedly connected to the building body of the cellar or underground space; and a door opening is arranged on the door frame 1;

[0042] The guide groove assembly 2 is installed on the door frame 1, and a first locking portion for engaging with the sliding door assembly 3 is provided on the guide groove assembly 2;

[0043] The sliding door assembly 3 includes a door body 301, a guide member 305 and a driving member 306; the guide member is fixedly mounted on the door frame 1, the door body 301 is movably mounted on the guide member 305, one end of the driving member 306 is connected to the door frame 1, and the other end of the driving member 306 is connected to the door body 301, and a second locking portion for matching with the first locking portion is provided on the door body 301;

[0044] When the built-in cabin door is in a closed state, the driving member drives the door body 301 to be embedded in the door opening and the upper end surface of the door body 301, the upper end surface of the door frame 1 and the ground are located on the same horizontal plane. At the same time, the first locking part and the second locking part are in a mutually locked state; when the built-in cabin door is in an open state, the driving member drives the door body 301 to move, the first locking part and the second locking part are separated from each other, and the door body 301 and the door opening are in a mutually staggered state.

[0045] Preferably, there are two groups of the guiding groove assemblies 2 respectively arranged between the door body 301 and the door frame 1, and the two groups of guiding groove assemblies 2 are respectively arranged on two side end faces of the door body 301 parallel to its displacement direction.

[0046] More preferably, a single group of the guiding groove assemblies 2 is fixedly arranged at the central part of the door opening hole.

[0047] Furthermore, the door frame 1 includes a first door panel 101, a second door panel 102 and a side plate 103;

[0048] The first door panel 101 and the second door panel 102 are arranged at intervals in the vertical direction;

[0049] There are four side plates 103 respectively used for connecting the peripheries of the first door panel 101 and the second door panel 102;

[0050] The first door panel 101, the second door panel 102 and the side plate 103 are connected to form a door frame structure with a cavity.

[0051] More preferably, to increase the overall rigidity of the door frame 1, a number of reinforcing ribs 104 arranged at intervals are also provided on a single side plate 103, and the two ends of a single reinforcing rib 104 are respectively connected to the first door panel 101 and the second door panel 102; and a number of reinforcing ribs 104 are all arranged on the outer side end face of the door frame 1.

[0052] More preferably, to increase the overall connection strength and sealing performance of the door frame 1, the first door panel 101, the second door panel 102, the side plate 103 and the reinforcing ribs 104 are all fixedly connected by welding.

[0053] Furthermore, a single group of the guiding groove assemblies 2 includes a guiding main body 201, a guiding connecting plate 202 and a connecting piece 203;

[0054] The guiding main body 201 is fixedly connected to the side plate 103, and the guiding main body 201 and the guiding connecting plate 202 are arranged at intervals;

[0055] At least two connecting pieces 203 are arranged between the guiding main body 201 and the guiding connecting plate 202;

[0056] The guiding main body 201, the guiding connecting plate 202 and the connecting piece 203 are connected to form a frame structure with a cavity;

[0057] The first locking portion is arranged on the guiding connecting plate 202 and is arranged as an L-shaped groove structure.

[0058] Furthermore, the sliding door assembly 3 further includes a support frame 302 and a hinge 303;

[0059] The support frame 302 is hinged to the door body 301 through a hinge 303;

[0060] The second locking portion is provided as a guide pin shaft 304. One end of the guide pin shaft 304 is fixedly connected to the support frame 303, and the other end of the guide pin shaft 304 extends towards the direction close to the guide groove assembly 2;

[0061] There are two guide members 305 respectively arranged on two mutually parallel end faces of the support frame 302. One ends of the two guide members 305 are slidably connected to the support frame 302, and the other ends of the two guide members 305 are respectively installed on the second door panel 102 through bolts;

[0062] The fixed end of the driving member 306 is fixedly connected to the first door panel 101, and the driving end of the driving member 306 is fixedly connected to the support frame 302.

[0063] Further preferably, the guide member 305 is preferably set as a slide rail and slider structure; the driving member 306 is preferably set as a hydraulic cylinder or a pneumatic cylinder or a mechanical sliding group.

[0064] As a further embodiment of the present invention, the opening and closing process of the above-mentioned built-in hatch is as follows:

[0065] When the built-in hatch is in the closed state, the door body 301 is in a fitted state with the opening hole provided on the first door panel 101, and the upper end surface of the door body 301, the upper end surface of the first door panel 101 and the ground are on the same horizontal plane, achieving the effect of invisible setting; meanwhile, the driving oil cylinder 306 is in the extended state, and the guide pin shaft 304 extends into the L-shaped groove in the guide groove assembly 2 (see Figure 5 shown), and the whole built-in hatch is in a self-locking state;

[0066] When it is necessary to open the built-in hatch, the driving oil cylinder 306 retracts to drive the support frame 302 to displace along the guide pressing plate 305, and at the same time, the guide pin shaft 304 slides in the L-shaped groove of the guide groove assembly 2. Therefore, the door body 301 will make an L-shaped movement of first descending and then translating together with the guide pin shaft 304 (see Figure 6 shown); when the driving oil cylinder 306 is fully retracted, the door body is fully opened, and the whole sliding door assembly 3 is hidden inside the door frame (see Figure 7 shown), without occupying the external space at the exit.

[0067] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An in-built hatch door, characterized in that, It comprises a door frame (1), a guide groove assembly (2) and a sliding door assembly (3); The door frame (1) is horizontally arranged at the entrance of the cellar or underground space and is fixedly connected to the building body of the cellar or underground space; and a door opening is provided on the door frame (1); The guide groove assembly (2) is mounted on the door frame (1), and a first locking portion for interlocking with the sliding door assembly (3) is provided on the guide groove assembly (2); The sliding door assembly (3) comprises a door body (301), a guide member (305) and a driving member (306); the guide member (305) is fixedly mounted on the door frame (1), the door body (301) is movably mounted on the guide member (305), one end of the driving member (306) is connected to the door frame (1), and the other end of the driving member (306) is connected to the door body (301); a second locking portion for matching with the first locking portion is provided on the door body (301); When the built-in door is in a closed state, the driving member drives the door body (301) to be engaged in the door opening, and the upper end surface of the door body (301), the upper end surface of the door frame (1) and the ground are located on the same horizontal plane, and at the same time, the first locking part and the second locking part are in a mutually locked state; when the built-in door is in an open state, the driving member drives the door body (301) to move, the first locking part and the second locking part are separated from each other, and the door body (301) and the door opening are in a mutually staggered state.

2. The built-in hatch according to claim 1, characterized in that, The door frame (1) comprises a first door panel (101), a second door panel (102) and a side panel (103); The first door panel (101) and the second door panel (102) are arranged spaced apart from each other in the vertical direction; The side panel (103) is provided with four pieces respectively used to be connected to the first door panel (101) and the second door panel (102) on four sides; The first door panel (101), the second door panel (102) and the side panel (103) are connected to each other to form a door frame structure with a cavity.

3. The built-in hatch according to claim 2, characterized in that, A plurality of reinforcing ribs (104) are arranged at intervals from each other on the single side panel (103); two ends of the single reinforcing rib (104) are respectively connected to the first door panel (101) and the second door panel (102); and the plurality of reinforcing ribs (104) are all arranged on the outer end surface of the door frame (1).

4. The built-in hatch according to claim 2 or 3, characterized in that, The guide groove assembly (2) is provided with two groups which are respectively arranged between the door body (301) and the door frame (1), and the two groups of guide groove assemblies (2) are respectively arranged on two side end surfaces of the door body (301) which are parallel to the displacement direction thereof; Furthermore, a single set of the guide groove components (2) is fixedly arranged at the center of the door opening.

5. The built-in hatch according to claim 4, characterized in that, A single set of the guide groove assembly (2) comprises a guide body (201), a guide connecting plate (202) and a connecting piece (203); The guide body (201) is fixedly connected to the side plate (103), and the guide body (201) and the guide connecting plate (202) are arranged at a distance from each other; At least two connecting pieces (203) are provided between the guide body (201) and the guide connecting plate (202); The guide body (201), the guide connecting plate (202) and the connecting piece (203) are connected to each other to form a frame structure with a cavity; The first latch portion is arranged on the guiding connection plate (202), and is configured as an L-shaped groove structure.

6. The built-in hatch according to claim 5, wherein, The sliding door assembly (3) further includes a support frame (302) and a hinge member (303); The support frame (302) is hinged to the door body (301) through the hinge member (303); The second latch portion is configured as a guiding pin shaft (304). One end of the guiding pin shaft (304) is fixedly connected to the support frame 303, and the other end of the guiding pin shaft (304) extends towards the direction close to the guiding groove assembly (2); There are two guiding members (305) respectively arranged on two side end faces of the support frame (302) that are parallel to each other. One ends of the two guiding members (305) are slidably connected to the support frame (302), and the other ends of the two guiding members (305) are respectively installed on the second door panel (102) through bolts; The fixed end of the driving member (306) is fixedly connected to the first door panel (101), and the driving end of the driving member (306) is fixedly connected to the support frame (302).

Images