Automatically-closed dangling type explosion-proof partition door for civil air defense

Abstract

The utility model relates to the technical field of explosion-proof valves, and discloses an automatically-closed dangling type explosion-proof partition door for civil defense, which comprises a door body, three ventilation slots are arranged on the surface of the door body, a door plate is rotatably arranged on the surface of the door body through two rotating blocks I, a stand column is arranged in the door body, and a sleeve is sleeved on the surface of the stand column; through the arranged adjusting assembly, an inserting rod is driven to be separated from an inserting hole in the stand column, a sleeve can move in the direction of the stand column, and therefore a door plate can be independently opened and closed through a first rotating block, a second rotating block and a supporting rod, and a U-shaped plate on the surface of the screw rod is driven to move in the vertical direction through rotation of the screw rod; according to the overhanging type explosion-proof partition door, the door plates can be integrally opened and closed, the door plates can be integrally opened and closed, the single door plate can be opened and closed, the using effect of the overhanging type explosion-proof partition door is improved, and the flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof wave valves, in particular to an automatically closed swing-type explosion-proof partition door for civil air defense. Background Art

[0002] Explosion-proof partition doors are also called blast-proof wave valves. Explosion-proof wave valves refer to protective ventilation equipment used in civil air defense projects to ensure uninterrupted ventilation within the project in the event of an air raid. They are generally used in conjunction with diffusion chambers and are divided into two types: pendulum type (some say suspended plate type) and hose type according to the material. The main body is a steel structure and will close when subjected to a nuclear explosion shock wave to protect the ventilation equipment inside the project from damage.

[0003] Among them, the "a kind of suspended swing-type explosion-proof wave valve" disclosed in the application number "CN202220255651.5" "comprises a door body, wherein a plurality of vents linearly distributed in the vertical direction are arranged in the door body, a plurality of unit door leaves corresponding to the vents are movably hinged on the outer side of the door body, a guide groove is vertically arranged in the door body, a movable rod is slidably connected in the guide groove, a connecting rod is arranged between the plurality of unit door leaves and the movable rod, and the two ends of the connecting rod are respectively movably hinged with the unit door leaves and the movable rod. The guide groove is provided with a strip groove on the side wall near the inner side of the door body, a stop block is slidably connected in the strip groove, a screw is rotatably provided on one side of the stop block, the screw passes through and extends to the inner side of the door body, and the screw is threadedly connected to the door body. In the utility model, the opening and closing angles of multiple unit door leaves are adjusted by the movable rod and the connecting rod, and the stop block can be driven to slide in the strip groove by rotating the screw. When the stop block abuts against the movable rod, the second rack meshes with the first rack, which can prevent the movable rod from sliding in the vertical direction, thereby effectively fixing the movable rod.

[0004] However, the above method still has the following defects: the opening and closing angles of multiple unit door leaves can be adjusted by the movable rod and the connecting rod, but it is not convenient to realize the opening and closing operation of a single wave valve plate, which affects the use effect of the explosion-proof partition door itself. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an automatically closing swing-type explosion-proof partition door for civil defense, which can not only realize the opening and closing operations of the door panel as a whole, but also can perform opening and closing operations on a single door panel, thereby improving the use effect of the swing-type explosion-proof partition door itself, and the flexibility is improved, thereby solving the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a kind of automatically closable swing-type explosion-proof partition door for civil air defense, comprising a door body, the surface of the door body being provided with three ventilation slots, the surface of the door body being provided with a door panel by rotating through two rotating blocks, a column being provided inside the door body, and the surface of the column being sleeved with a sleeve, support rods and adjustment shells being provided on both sides of the sleeve, respectively, the two ends of the support rods being fixedly connected to the surface of the door panel and the surface of the sleeve respectively through rotating block 2, an insertion rod being slidably provided inside the adjustment shell, and an adjustment component being provided, a plurality of insertion holes matching the insertion rods being provided inside the column, a rectangular groove being provided at the bottom of the door body, a screw rod being rotatably provided inside the rectangular groove, and a U-shaped plate being provided on the surface of the screw rod through a screw nut, and the column being fixedly connected to the U-shaped plate.

[0007] As a preferred technical solution of the utility model, three door panels are provided, a movable groove for moving with the column is opened inside the door body, and the rectangular groove is connected with the movable groove.

[0008] As a preferred technical solution of the utility model, the support rod is rotatably connected to the two rotating blocks 2, two corners of the door body surface are provided with mounting seats, and four corners of the mounting seat surface are provided with mounting holes.

[0009] As a preferred technical solution of the utility model, the adjustment component includes a moving block, which is slidably arranged inside the adjustment shell through a dovetail slider, one side of the moving block is fixedly connected to one end of the insertion rod, and the other side is provided with a spring, one end of the spring is fixedly connected to the inner wall of the adjustment shell.

[0010] As a preferred technical solution of the utility model, a grip is provided at the bottom of the moving block, and a handle is provided at one side of the bottom end of the adjusting shell.

[0011] As a preferred technical solution of the utility model, a movable hole corresponding to the screw rod is opened at the bottom of the column, slide plates are provided on both sides of the U-shaped plate, and a sliding groove matching the sliding groove is opened on the inner wall of the rectangular groove, and the sliding plate is slidably connected to the sliding groove.

[0012] As a preferred technical solution of the utility model, a rotating assembly is provided at the bottom of the screw rod, and the rotating assembly includes a worm wheel, and the worm wheel is fixedly installed at the bottom of the screw rod, and a worm is meshed on one side of the worm wheel.

[0013] As a preferred technical solution of the utility model, a support plate is rotatably provided on the surface of the worm, the bottom end of the support plate is fixedly connected to the inner wall of the rectangular groove, one end of the worm facing the rectangular groove is rotatably connected to the inner wall of the rectangular groove, and the other end is provided with a handwheel.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The automatically closed swing-type explosion-proof partition door for civil air defense can drive the insertion rod and the insertion hole on the column to separate from each other through the setting of the adjustment component, so that the sleeve can be moved along the direction of the column, so that the door panel can be opened and closed independently by using the rotating block 1, the rotating block 2 and the support rod. The U-shaped plate on its surface is driven to move in the vertical direction through the rotation of the screw rod, so as to drive the column to be lifted as a whole, so as to facilitate the overall opening and closing operation of the door panel. It is easy to use, not only can the overall opening and closing operation of the door panel be realized, but also a single door panel can be opened and closed, which improves the use effect of the swing-type explosion-proof partition door itself and improves its flexibility.

[0016] 2. The automatically closed swing-type explosion-proof partition door for civil air defense is equipped with an adjustment component, a moving block and a spring, so that the insertion rod and the insertion hole at the column are supported and limited, thereby keeping the sleeve fixed. With the grip and the handle, it is convenient to move and adjust the moving block and the insertion rod, which is convenient for the staff to operate and has good convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0018] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the door panel of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the casing of the utility model;

[0021] Figure 5 For this utility model Figure 4 A is an enlarged structural diagram;

[0022] Figure 6 It is a schematic diagram of the explosion structure of the column of the utility model;

[0023] Figure 7 For this utility model Figure 6 The enlarged structural diagram at B in FIG.

[0024] In the figure: 1. door body; 2. ventilation slot; 3. rotating block 1; 4. door panel; 5. support rod; 6. rotating block 2; 7. column; 8. sleeve; 9. rectangular slot; 10. adjustment shell; 11. plug rod; 12. adjustment assembly; 1201. moving block; 1202. grip; 1203. spring; 1204. handle; 1205. mounting seat; 1206. moving slot; 13. rotating assembly; 1301. worm gear; 1302. support plate; 1303. worm; 1304. handwheel; 1305. slide plate; 14. screw rod; 15. U-shaped plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figure 1-7The utility model provides an automatically closed swing-type explosion-proof partition door for civil air defense, comprising a door body 1, wherein the surface of the door body 1 is provided with three ventilation slots 2, which are convenient for ventilation. The surface of the door body 1 is provided with a door panel 4 through two rotating blocks 1 3, and the door panel 4 is convenient for blocking shock waves. A column 7 is provided inside the door body 1, and a sleeve 8 is sleeved on the surface of the column 7. A support rod 5 and an adjustment shell 10 are provided on both sides of the sleeve 8, respectively. Both ends of the support rod 5 are fixedly connected to the surface of the door panel 4 and the surface of the sleeve 8 through a rotating block 2 6, respectively. By moving the column 7 or the sleeve 8, the rotating block 1 3, the rotating block 2 6 and the support rod 5 can be used to cooperate with the rotating block 1 3, the rotating block 2 6 and the support rod 5, and the door panel 4 can be opened and closed. The internal sliding of the adjusting shell 10 is provided with an insertion rod 11, which is convenient for fixing the sleeve 8 on the surface of the column 7 to limit the position, and an adjustment group is provided. The adjusting assembly 12 is provided inside the column 7, and a plurality of sockets matching the plug rod 11 are provided inside the column 7. The plug rod 11 is driven to separate from the sockets at the column 7 through the adjusting assembly 12, so as to facilitate the movement of the sleeve 8 in the vertical direction, so as to facilitate the use of the rotating block 1 3, the rotating block 2 6 and the support rod 5, so as to independently open and close the door panel 4, thereby improving the use effect of the suspended swing type explosion-proof partition door itself and improving the flexibility. A rectangular groove 9 is provided at the bottom of the door body 1, and a screw rod 14 is provided inside the rectangular groove 9 for rotation, and a U-shaped plate 15 is provided on the surface of the screw rod 14 through a screw nut. The column 7 is fixedly connected with the U-shaped plate 15, and the rotation of the screw rod 14 drives the U-shaped plate 15 on its surface to move in the vertical direction, thereby driving the column 7 to be lifted as a whole, and then facilitating the overall opening and closing operation of the door panel 4, which is convenient to use.

[0028] The adjustment component 12 includes a moving block 1201, which is slidably arranged inside the adjustment housing 10 through a dovetail slider, one side of the moving block 1201 is fixedly connected to one end of the insertion rod 11, and the other side is provided with a spring 1203, one end of the spring 1203 is fixedly connected to the inner wall of the adjustment housing 10, so that the elastic force of the spring 1203 itself supports the moving block 1201, thereby supporting and limiting the insertion rod 11;

[0029] A grip 1202 is provided at the bottom of the moving block 1201, and a handle 1204 is provided on one side of the bottom end of the adjusting shell 10. The provided grip 1202 is convenient for the staff to use the grip 1202 and the handle 1204 to drive the grip 1202 to squeeze, so as to drive the provided insertion rod 11 to move in the horizontal direction, which is convenient to use and easy to operate;

[0030] There are three door panels 4, and a moving groove 1206 for moving with the column 7 is opened inside the door body 1, and the rectangular groove 9 is connected with the moving groove 1206, so that the column 7 is not restricted during the movement;

[0031] The support rod 5 is rotatably connected to the two rotating blocks 6, so that the support rod 5 can be rotated and adjusted to move the door panel 4 for opening and closing operations. Two corners of the surface of the door body 1 are provided with mounting seats 1205, and the four corners of the surface of the mounting seats 1205 are provided with mounting holes, which is convenient for the installation and use of the door body 1.

[0032] Embodiment 2:

[0033] A rotating assembly 13 is provided at the bottom of the screw rod 14, and the rotating assembly 13 includes a worm wheel 1301, which is fixedly installed at the bottom of the screw rod 14. A worm 1303 is meshed on one side of the worm wheel 1301. The rotation of the worm 1303 drives the meshing worm wheel 1301 to rotate, thereby driving the screw rod 14 to realize forward and reverse rotation.

[0034] A support plate 1302 is rotatably provided on the surface of the worm 1303, and the bottom end of the support plate 1302 is fixedly connected to the inner wall of the rectangular groove 9. One end of the worm 1303 facing the rectangular groove 9 is rotatably connected to the inner wall of the rectangular groove 9, and the other end is provided with a hand wheel 1304, which is convenient for increasing the stability of the worm 1303 and making it more convenient for the staff to rotate the worm 1303 using the hand wheel 1304.

[0035] A movable hole corresponding to the screw rod 14 is provided at the bottom of the column 7, so that the column 7 is not restricted in the process of moving in the vertical direction. Slide plates 1305 are provided on both sides of the U-shaped plate 15, and a sliding groove matching the slide plate 1305 is provided on the inner wall of the rectangular groove 9. The slide plate 1305 is slidably connected to the sliding groove, which facilitates the role of limiting and guiding the movement of the U-shaped plate 15.

[0036] When in use, the door body 1 is installed to a suitable position of the door frame by means of a bolt and nut set in conjunction with the mounting seat 1205. When it is necessary to open a separate door panel 4, the staff can use the grip 1202 and the handle 1204 to hold the grip 1202 so that the moving block 1201 moves in the direction in which the grip 1202 moves, thereby separating the insertion rod 11 from the insertion hole at the column 7, allowing the sleeve 8 to move on the surface of the column 7, and cooperating with the rotating block 13, the rotating block 26 and the support rod 5, so as to facilitate the opening of the door panel 4. At the same time, the grip 1202 is loosened, and under the action of the spring 1203 inside the adjusting shell 10, the moving block 1201 and the insertion rod 11 are supported and rebounded, so that the insertion rod 11 and another insertion hole at the column 7 are plugged into each other, thereby fixing the sleeve 8, that is, realizing the opening and closing operation of the single door panel 4, which is more convenient to use.

[0037] When the three door panels 4 need to be opened and closed as a whole, the staff can use the handwheel 1304 to drive the worm 1303 to rotate, and cooperate with the meshing worm wheel 1301 to drive the screw 14 to rotate in the forward and reverse directions, cooperate with the screw nut and the slide plate 1305, so that the U-shaped plate 15 and the column 7 can move synchronously in the vertical direction, cooperate with the set matching rotating block 1 3 and rotating block 2 6 and the support rod 5, so as to facilitate the simultaneous opening and closing operation of the three door panels 4, which is more convenient to use, and finally the door body 1 and the three door panels 4 on the surface can be used.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatically closable swing-type explosion-proof partition door for civil air defense, comprising a door body (1), characterized in that: The surface of the door body (1) is provided with three ventilation slots (2), the surface of the door body (1) is rotatably provided with a door panel (4) through two rotating blocks (3), a column (7) is provided inside the door body (1), and a sleeve (8) is sleeved on the surface of the column (7), a support rod (5) and an adjustment shell (10) are provided on both sides of the sleeve (8), both ends of the support rod (5) are fixedly connected to the surface of the door panel (4) and the surface of the sleeve (8) through rotating block (6), an insertion rod (11) is slidably provided inside the adjustment shell (10), and an adjustment component (12) is provided, a plurality of insertion holes matching the insertion rod (11) are provided inside the column (7), a rectangular groove (9) is provided at the bottom of the door body (1), a screw rod (14) is rotatably provided inside the rectangular groove (9), and a U-shaped plate (15) is provided on the surface of the screw rod (14) through a screw nut, and the column (7) is fixedly connected to the U-shaped plate (15).

2. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 1 is characterized in that: The door panels (4) are provided with three, a movable groove (1206) movable with the column (7) is provided inside the door body (1), and the rectangular groove (9) and the movable groove (1206) are communicated with each other.

3. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 1 is characterized in that: The support rod (5) is rotatably connected to the two rotating blocks (6); two corners of the surface of the door body (1) are provided with mounting seats (1205), and four corners of the surface of the mounting seats (1205) are provided with mounting holes.

4. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 1 is characterized in that: The adjustment component (12) comprises a moving block (1201), wherein the moving block (1201) is slidably arranged inside the adjustment housing (10) via a dovetail slider, one side of the moving block (1201) is fixedly connected to one end of the insertion rod (11), and the other side is provided with a spring (1203), and one end of the spring (1203) is fixedly connected to the inner wall of the adjustment housing (10).

5. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 4 is characterized in that: A grip (1202) is provided at the bottom of the moving block (1201), and a handle (1204) is provided at one side of the bottom end of the adjusting shell (10).

6. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 1 is characterized in that: A movable hole corresponding to the screw rod (14) is provided at the bottom of the upright column (7), slide plates (1305) are provided on both sides of the U-shaped plate (15), and a sliding groove matching the sliding plate (1305) is provided on the inner wall of the rectangular groove (9), and the sliding plate (1305) is slidably connected to the sliding groove.

7. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 1 is characterized in that: A rotating assembly (13) is provided at the bottom of the screw rod (14), and the rotating assembly (13) comprises a worm wheel (1301). The worm wheel (1301) is fixedly mounted at the bottom of the screw rod (14), and a worm (1303) is meshed on one side of the worm wheel (1301).

8. The automatically closable swing-type explosion-proof partition door for civil air defense according to claim 7 is characterized in that: A support plate (1302) is rotatably provided on the surface of the worm (1303), the bottom end of the support plate (1302) is fixedly connected to the inner wall of the rectangular groove (9), one end of the worm (1303) facing the rectangular groove (9) is rotatably connected to the inner wall of the rectangular groove (9), and the other end is provided with a hand wheel (1304).

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