Movable doorsill for nickel-saving stainless steel civil air defense door and nickel-saving stainless steel civil air defense door

Abstract

The utility model provides a movable threshold for a nickel-saving stainless steel civil air defense door and the nickel-saving stainless steel civil air defense door, the movable threshold for the nickel-saving stainless steel civil air defense door comprises a base, a sliding rail, two sliding thresholds and a wedge block, the base is fixedly arranged and is suitable for being arranged in a door frame; the extension direction of the slide rail is parallel to the width direction of the door frame; the two sliding thresholds are in sliding fit with the sliding rails and have the degree of freedom of sliding along the sliding rails; the opposite ends of the two sliding thresholds are arranged at intervals and are provided with first inclined planes; the two sides of the wedge block are suitable for making contact with the first slopes of the ends of the two sliding thresholds, and the side, facing the door body, of the wedge block is suitable for being flush with the sliding thresholds. The nickel-saving stainless steel civil air defense door comprises the movable threshold. According to the movable doorsill for the nickel-saving stainless steel civil air defense door and the nickel-saving stainless steel civil air defense door, the movable doorsill is convenient to disassemble and assemble, and the two ends of the movable doorsill can be guaranteed to have good sealing performance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of civil air defense engineering, and particularly relates to a nickel-saving type stainless steel civil air defense door movable door sill and nickel-saving type stainless steel civil air defense door. BACKGROUND

[0002] The civil air defense door is a door for the entrance and exit of a civil air defense engineering, and is the earliest door type, which has been widely selected, and has the characteristics of simple structure, reliable operation, convenient maintenance and suitability for the entrance and exit of various civil air defense engineering.

[0003] The door sill of the civil air defense door is divided into a fixed door sill and a movable door sill, wherein the fixed door sill is a door sill structure protruding from the ground, the door leaf abuts against the side surface of the fixed door sill when the door leaf is closed, and the sealing effect is achieved; the movable door sill is a detachable door sill structure, in a non-war state, the movable door sill is not installed to the ground, the position of the door sill is flush with the ground, and the vehicle can pass through conveniently; in a war state, the movable door sill is connected with the pre-buried structure on the ground, the door leaf abuts against the movable door sill when the door leaf is closed, and the sealing effect is achieved.

[0004] However, if the two ends of the movable door sill need to be closely attached to the door frame in order to ensure the sealing effect, it is difficult to place the movable door sill in the door frame during installation, and the movable door sill is difficult to disassemble and assemble; if the two ends of the movable door sill have a certain gap with the door frame in order to facilitate installation, the sealing performance is poor. UTILITY MODEL CONTENTS

[0005] The utility model provides a nickel-saving type stainless steel civil air defense door movable door sill and nickel-saving type stainless steel civil air defense door, and aims to solve the technical problems in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] In a first aspect, the utility model embodiment provides a nickel-saving type stainless steel civil air defense door movable door sill, which comprises:

[0008] A base is fixedly arranged and adapted to be arranged in the door frame;

[0009] A sliding rail is connected with the base, and the extension direction of the sliding rail is parallel to the width direction of the door frame;

[0010] Two sliding door sills are slidingly connected with the sliding rail and have the freedom of sliding along the sliding rail; the opposite ends of the two sliding door sills are spaced apart and provided with first inclined surfaces; and

[0011] A wedge is adapted to contact the first inclined surfaces at the ends of the two sliding door sills on both sides, and the side of the wedge facing the door body is adapted to be flush with the sliding door sill.

[0012] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, two ends of the sliding door sill opposite to each other are provided with the first sealing gasket.

[0013] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the first inclined surface is provided with the second sealing gasket.

[0014] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the sliding rail is provided with the limiting block on the side away from the door body, and the sliding door sill is wrapped around the limiting block and is in sliding cooperation with the limiting block.

[0015] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the side of the sliding door sill facing the door body is provided with the first sealing strip.

[0016] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the bottom of the base and the bottom of the sliding door sill are both provided with the second sealing strip.

[0017] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the base is fixedly connected with the embedded part through bolts.

[0018] In combination with the first aspect, in a possible implementation manner of the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model, the base is fixedly connected with the embedded part through bolts.

[0019] The movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model has the following beneficial effects: compared with the prior art, when the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model is installed, two sliding door sills are installed on the sliding rail, at this time, the total length of the two sliding door sills is less than the width of the inner side of the door frame, so that the two sliding door sills can be easily placed in the door frame, then the wedge is placed between the two sliding door sills, the sliding door sills are pushed to the two sides by the wedge, the sliding door sills have a certain pre-tightening force with the door frame, the sliding door sills are kept in close contact, and the good sealing performance is ensured, so that the movable door sill for the nickel-saving type stainless steel civil defense door provided in the utility model is convenient to disassemble and assemble and can ensure the good sealing performance of the two ends.

[0020] The beneficial effects of the nickel-saving stainless steel civil defense door provided by this utility model are as follows: Compared with the prior art, the nickel-saving stainless steel civil defense door provided by this utility model adopts the above-mentioned movable threshold, which is convenient for disassembly and assembly, and can ensure good sealing at both ends. Attached Figure Description

[0021] Figure 1 A three-dimensional structural schematic diagram of a nickel-saving stainless steel blast door with a movable threshold provided for an embodiment of this utility model;

[0022] Figure 2 for Figure 1 Enlarged view of part A in the image;

[0023] Figure 3 A schematic diagram of the main structure of the nickel-saving stainless steel blast door with a movable threshold provided in this embodiment of the utility model;

[0024] Figure 4 For along Figure 3 Partial sectional view of the middle AA line;

[0025] Explanation of reference numerals in the attached figures:

[0026] 10. Door frame; 20. Door body; 31. Base; 32. Slide rail; 321. Limit block;

[0027] 33. Sliding threshold; 34. Wedge block; 35. First sealing gasket; 36. Second sealing gasket;

[0028] 37. First sealing strip; 38. Second sealing strip; 39. Embedded part. Detailed Implementation

[0029] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is actually illustrative only and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0032] The relative arrangement of components and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application unless otherwise specifically stated. It is to be understood that the drawings are not necessarily to scale of the various parts shown in the drawings. Techniques, methods, and apparatus known to those of ordinary skill are not discussed in detail because they would be understood that such techniques, methods, and apparatus are considered part of the art. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative and not limiting. Thus, other examples of the example embodiments can have different values. It is noted that like numbers and letters on the figures identify like parts throughout the several views, and thus, once an item is defined in one figure, it is not necessary to discuss it further in connection with other figures where it is understood that the item will be similarly constructed and function in the same manner.

[0033] In the description of the present application, it is to be understood that the orientation or positional relationships indicated by orientation words such as "front, back, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without the opposite indication, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application. The orientation words "inner, outer" refer to the inner and outer relative to the contour of the components themselves.

[0034] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "upper", "lower", and the like, can be used to describe a device or feature's orientation in the figures. Such relative terms can be intended to encompass different orientations of the device or feature in its operation or use or in other stages of its manufacture. For example, if the device or feature is turned over, then a description of a device or feature as above another or below another can be taken to mean that the device or feature is below the other device or feature now that it is turned over. Such relative terms can be taken to include different positions of the device or feature in its operation or use or in other stages of its manufacture. The devices can also be oriented in other ways, and such other orientations can be explicitly recited in the claims.

[0035] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not connote any actual physical or logical relationship between the elements so designated. Such words are merely used to distinguish one element from another.

[0036] Please refer to Figures 1 to 4 The nickel-saving type movable door sill for a stainless steel civil defense door is described below. The nickel-saving type movable door sill for a stainless steel civil defense door comprises a base 31, a sliding rail 32, two sliding door sills 33, and a wedge block 34. The base 31 is fixedly arranged and adapted to be arranged in a door frame 10. The sliding rail 32 is connected with the base 31, and the extension direction of the sliding rail 32 is parallel to the width direction of the door frame 10. The two sliding door sills 33 are in sliding cooperation with the sliding rail 32 and have the freedom of sliding along the sliding rail 32. The opposite ends of the two sliding door sills 33 are arranged in a spaced manner and provided with first inclined surfaces. The wedge block 34 is adapted to be in contact with the first inclined surfaces at the ends of the two sliding door sills 33 on both sides, and the side of the wedge block 34 facing the door body 20 is adapted to be flush with the sliding door sill 33, so that the door body 20 can be attached to the wedge block 34 and the sliding door sill 33 at the same time.

[0037] It should be noted that the wedge block 34 can be pushed to slide the two sliding door sills 33 outward under the action of an external force.

[0038] Specifically, in a specific embodiment, the first inclined surface is inclined in a vertical plane, the wedge block 34 is inserted between the two sliding door sills 33 from top to bottom, and the wedge block 34 is driven to move by an external force, a cylinder, or a bolt.

[0039] In addition, the first inclined surface can also be inclined in a horizontal plane, the wedge block 34 is inserted between the two sliding door sills 33 from the side of the door body 20, and the wedge block 34 is driven to move by an external force, a cylinder, or a bolt, or is connected with the door body 20 and moves synchronously with the door body 20.

[0040] The nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model has the advantages that: compared with the prior art, the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model is installed by installing two sliding door sills 33 on a sliding rail 32, at this time, the total length of the two sliding door sills 33 is less than the width of the inner side of a door frame 10, so that the two sliding door sills 33 can be easily placed in the door frame 10, then a wedge block 34 is placed between the two sliding door sills 33, the sliding door sills 33 are pushed to the two sides by the wedge block 34, the sliding door sills 33 have a certain pre-tightening force with the door frame 10, the sliding door sills 33 are kept in close contact, and good sealing performance is ensured, therefore, the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model is convenient to disassemble and assemble, and good sealing performance of both ends can be ensured.

[0041] As shown in Figure 1 and Figure 2 in a specific implementation of the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model, the two sliding door sills 33 are provided with first sealing pads 35 at the two opposite ends.

[0042] Specifically, the sealing pads are made of rubber material and are used to improve the sealing performance of the door sill.

[0043] As shown in Figure 1 and Figure 2 in a specific implementation of the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model, the first inclined surface is provided with a second sealing pad 36. The second sealing pad 36 is made of rubber material and is in contact with the wedge block 34, and is used to ensure the sealing performance.

[0044] As shown in Figure 3 and Figure 4 in a specific implementation of the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model, the sliding rail 32 is provided with a limiting block 321 on the side away from the door body 20, the sliding door sill 33 is wrapped with the limiting block 321 and is in sliding cooperation with the limiting block 321, so as to limit the degree of freedom of the sliding door sill 33, so that the sliding door sill 33 can only slide in the extension direction of the sliding rail 32, and then when the sliding door sill 33 is installed, the sliding door sill 33 is subjected to a downward force by the sliding rail 32.

[0045] As shown in Figure 4 in a specific implementation of the nickel-saving type movable door sill for a stainless steel civil air defense door provided by the embodiment of the utility model, the side of the sliding door sill 33 facing the door body 20 is provided with a first sealing strip 37.

[0046] Specifically, the side of the sliding door sill 33 facing the door body 20 is provided with two or more first sealing strips 37, so as to ensure the sealing effect.

[0047] As shown in Figure 4As shown in the embodiment of the present invention, in a specific embodiment of the nickel-saving stainless steel sill door with movable threshold, both the bottom of the base 31 and the bottom of the sliding threshold 33 are provided with a second sealing strip 38.

[0048] Specifically, both the first sealing strip 37 and the second sealing strip 38 are made of rubber to ensure sealing.

[0049] like Figure 1 and Figure 4 As shown, in a specific embodiment of the nickel-saving stainless steel sill door with movable threshold provided in this utility model embodiment, it also includes a pre-embedded part 39. The pre-embedded part 39 is pre-embedded in the ground, and the base 31 is fixedly connected to the pre-embedded part 39 by bolts to facilitate the installation of the base 31. The pre-embedded part 39 provides a contact plane, and the slide rail 32 and the sliding threshold 33 are sealed and fitted with the surface of the pre-embedded part 39.

[0050] Based on the same inventive concept, this utility model embodiment also provides a nickel-saving stainless steel air defense door, characterized in that it includes a door frame 10, a door body 20 and the above-mentioned nickel-saving stainless steel air defense door movable threshold, the door frame 10 is provided with a door edge on the inner side, the door body 20 is rotatably engaged with the door body 20, the first inclined surface is inclined in the horizontal direction, and the wedge block 34 is connected to the door body 20.

[0051] The beneficial effects of the nickel-saving stainless steel civil defense door provided in this embodiment of the present invention are as follows: Compared with the prior art, the nickel-saving stainless steel civil defense door provided in this embodiment of the present invention adopts the above-mentioned movable threshold, which is convenient for disassembly and assembly, and can ensure good sealing at both ends.

[0052] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A nickel-saving type of threshold for civil air defense door, characterized in that, The utility model relates to a nickel-saving type stainless steel emergency door threshold, which comprises a base, a slide rail, two slide door sills and a wedge block. The base is fixedly arranged in a door frame and adapted to be arranged in the door frame. The slide rail is connected with the base, and the extension direction of the slide rail is parallel to the width direction of the door frame. The two slide door sills are in sliding cooperation with the slide rail and have the freedom of sliding along the slide rail. The opposite ends of the two slide door sills are spaced apart and provided with first inclined surfaces.

2. The nickel-saving type stainless steel check door threshold according to claim 1, characterized in that, The two sides of the wedge block are adapted to be in contact with the first inclined surfaces at the ends of the two slide door sills.

3. The nickel-saving type stainless steel check door threshold according to claim 1, characterized in that, The side of the wedge block facing the door body is adapted to be flush with the slide door sill.

4. The nickel-saving type stainless steel check door threshold according to claim 1, characterized in that, The two opposite ends of the two slide door sills are provided with first sealing gaskets.

5. The nickel-saving type stainless steel check door threshold according to claim 1, characterized in that, The surface of the first inclined surface is provided with a second sealing gasket.

6. The nickel-saving type stainless steel check door threshold according to claim 1, characterized in that, The back side of the slide rail facing the door body is provided with a limiting block.

7. The nickel-saving type stainless steel check beam for civil defense door according to claim 1, wherein, The slide door sill is wrapped around the limiting block and in sliding cooperation with the limiting block.

8. A nickel-saving type stainless steel civil defense door, characterized in that, The side of the slide door sill facing the door body is provided with a first sealing strip. The bottom of the base and the bottom of the slide door sill are both provided with a second sealing strip. The utility model also comprises a pre-embedded part embedded underground. The base is fixedly connected with the pre-embedded part through bolts. The utility model relates to a nickel-saving type stainless steel emergency door threshold, which comprises a base, a slide rail, two slide door sills and a wedge block. The door frame is provided with a door jamb on the inner side. The door body is in rotating cooperation with the door jamb. The first inclined surface is inclined along the horizontal direction. The wedge block is connected with the door body.

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