Pendulous explosion-proof valve

Abstract

The utility model discloses a dangling type anti-explosion-wave valve which comprises an anti-explosion-wave valve body, a wave valve plate is arranged on one side of the anti-explosion-wave valve body, an anti-impact buffering structure is arranged on the periphery, located on one side of the anti-explosion-wave valve body, of the wave valve plate, and a ventilation opening is formed in the side, right opposite to the wave valve plate, of the anti-explosion-wave valve body. A ventilation opening is formed in the air cushion matching cavity, a dustproof net is connected into the ventilation opening, a lock rod is arranged at the position, located on one side of the anti-explosion valve body, of the lower end of the anti-explosion valve plate, and a lock hole is formed in the side, right opposite to the lock rod, of the anti-explosion valve body. And after the wave valve plate is closed, the lock rod can be aligned and automatically inserted into the lock hole, the lock rod entering the lock hole pushes the lock block and is clamped in the lock groove, the lock rod can be fixed, and when the wave valve plate is opened for ventilation, dust in air outside a door can be effectively blocked through the dustproof net.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof wave valves, in particular to a suspended swing-type explosion-proof wave valve. Background Art

[0002] The explosion-proof wave valve refers to the protective ventilation equipment used in civil air defense projects to ensure uninterrupted ventilation in the project in the event of an air raid. At present, the explosion-proof wave valve refers to the protective ventilation equipment used in civil air defense projects to ensure uninterrupted ventilation in the project in the event of an air raid. Chinese patent CN215408287U discloses a swing-type explosion-proof wave valve, including an explosion-proof wave valve body, a door frame is provided on the explosion-proof wave valve body, door frame connectors are symmetrically provided above and below the door frame, a connecting shaft is provided on the door frame connector, the upper edge and the like edge of the door frame are both provided with fixed connecting edges, and a door panel groove is provided on the auxiliary door frame inside the door frame, and the door panel A limiting frame is provided on the inner side of the groove opening, a door panel connecting head is provided on the connecting shaft inside the fixed connecting ear at the upper edge of the door panel groove, a wave-shaped door panel is provided below the door panel connecting head, a fixed door buckle is provided in the center of the wave-shaped door panel near the lower edge, a door lock is provided on the fixed door buckle, sealing rings are provided on the edges around the inner surface of the door panel, and reinforcing ribs are provided inside the door panel. The explosion-proof wave-shaped door body can realize the opening of a single wave-shaped door panel, and can also open multiple wave-shaped door panels at the same time. The wave-shaped door panel has high strength and is very convenient to open and close.

[0003] The above prior art has the following deficiencies: after the wave valve plate in the prior art is opened, since the outside of the door is directly connected to the inside of the door, dust in the external air can easily enter the room; and when the wave valve plate is closed due to external impact, the wave valve plate can easily collide with the door frame and cannot provide buffer protection. Therefore, a swing-type explosion-proof wave valve is provided to solve the above problems. Utility Model Content

[0004] In order to solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problems is: a suspended swing-type explosion-proof wave valve, which includes: an explosion-proof wave valve body, a wave valve plate is arranged on one side of the explosion-proof wave valve body, the wave valve plate is located on one side of the explosion-proof wave valve body and an impact-proof buffer structure is arranged around it, a ventilation hole is opened on the side of the explosion-proof wave valve body facing the wave valve plate, a dust-proof net is connected to the inside of the ventilation hole, a locking rod is arranged on the lower end of the wave valve plate located on one side of the explosion-proof wave valve body, and a lock hole is arranged on the side of the explosion-proof wave valve body facing the locking rod.

[0005] As a preferred technical solution of the utility model, the buffer structure includes an air cushion and a cavity, the air cushion is made of rubber, and the cavity is opened inside the air cushion.

[0006] As a preferred technical solution of the utility model, the air cushion is fixedly connected to the wave valve plate located on one side of the vent, and air holes are arranged on the outer side of the periphery of the air cushion, and the air holes are connected to the inside of the cavity.

[0007] As a preferred technical solution of the utility model, lock grooves are symmetrically provided on both sides of one end of the lock rod, and the explosion-proof wave valve body is slidably connected to a lock block inside one side of the lock hole. There are two lock blocks, which are clamped in the lock groove, and the lock block is located at one end of the lock groove and has an arc chamfered structure.

[0008] As a preferred technical solution of the utility model, a spring is arranged inside one end of the explosion-proof wave valve body that is fitted with the locking block, and the locking block is fixedly connected to one end of the spring with a lever, and a limiting groove is provided on one side of the lever of the explosion-proof wave valve body, and the lever passes through the limiting groove.

[0009] As a preferred technical solution of the utility model, the explosion-proof wave valve body is provided with an axle seat on one side above the wave valve plate, the axle seat is connected to a connecting rod through an axle, and one end of the connecting rod is fixedly connected to one side of the upper end of the wave valve plate.

[0010] The utility model has the following advantages: when the wave valve plate is closed by external impact, the air cushion on the wave valve plate cooperates with the cavity to deform, thereby effectively buffering and protecting the wave valve plate;

[0011] After the wave valve door panel is closed, the locking rod will be aligned and automatically inserted into the lock hole. The locking rod entering the lock hole pushes the lock block and is stuck in the lock slot to fix the locking rod. When the wave valve door panel is opened for ventilation, the dust in the air outside the door can be effectively blocked by the dustproof net. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0013] Figure 2 This is a schematic cross-sectional view of the wave valve plate of a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the split structure of the explosion-proof wave valve body and the wave valve plate of the preferred embodiment of the utility model;

[0015] Figure 4 This is a schematic structural diagram of the explosion-proof wave valve body from another perspective of the preferred embodiment of the utility model;

[0016] Figure 5 It is a schematic diagram of the locking structure of the locking rod and the locking block in the preferred embodiment of the utility model.

[0017] Explanation of the accompanying drawings: 1. explosion-proof wave valve body; 2. shaft seat; 3. connecting rod; 4. wave valve plate; 5. air cushion; 6. cavity; 7. locking rod; 8. locking groove; 9. locking hole; 10. ventilation port; 11. dustproof net; 12. locking block; 13. spring; 14. lever; 15. limiting groove. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The utility model will be further described below in conjunction with the accompanying drawings.

[0021] Please refer to Figure 1-Figure 5 The utility model swing-type explosion-proof wave valve comprises: an explosion-proof wave valve body 1, a wave valve plate 4 is arranged on one side of the explosion-proof wave valve body 1, the wave valve plate 4 is located on one side of the explosion-proof wave valve body 1 and an impact-proof buffer structure is arranged around the wave valve plate 4, a vent 10 is opened on the side of the explosion-proof wave valve body 1 facing the wave valve plate 4, a dust-proof net 11 is connected inside the vent 10, a lock rod 7 is arranged on the lower end of the wave valve plate 4 located on one side of the explosion-proof wave valve body 1, and a lock hole 9 is arranged on the side of the explosion-proof wave valve body 1 facing the lock rod 7.

[0022] Combination Figure 2 and Figure 5As shown, the buffer structure includes an air cushion 5 and a cavity 6, the air cushion 5 is made of rubber, and the air cushion 5 is a wavy structure, the cavity 6 is opened inside the air cushion 5, the air cushion 5 is fixedly connected to the wave valve plate 4 located on one side of the vent 10, and air holes are arranged on the outer side of the periphery of the air cushion 5, and the air holes are connected with the inside of the cavity 6, and lock grooves 8 are symmetrically arranged on both sides of one end of the locking rod 7, and the explosion-proof wave valve body 1 is located on one side of the lock hole 9 and is slidably connected with a lock block 12, and there are two lock blocks 12, which are clamped in the lock groove 8, and the lock block 12 is located at one end of the lock groove 8 and is an arc chamfered structure.

[0023] Among them, a spring 13 is arranged inside one end of the explosion-proof wave valve body 1 that fits the lock block 12, and a lever 14 is fixedly connected to one end of the lock block 12 close to the spring 13. A limiting groove 15 is provided on one side of the lever 14 of the explosion-proof wave valve body 1, and the lever 14 passes through the limiting groove 15. An axle seat 2 is arranged on one side of the explosion-proof wave valve body 1 above the wave valve plate 4, and the axle seat 2 is connected to a connecting rod 3 through an axle, and one end of the connecting rod 3 is fixedly connected to one side of the upper end of the wave valve plate 4.

[0024] Specifically, when the utility model is used, when the wave valve plate 4 is closed by external impact, the air cushion 5 on the wave valve plate 4 will first contact the explosion-proof wave valve body 1, and then the air cushion 5 will be squeezed to squeeze the internal cavity 6, and then the gas inside the cavity 6 will be discharged through the air vents, thereby causing the air cushion 5 to deform, thereby effectively buffering and protecting the wave valve plate 4, and after the wave valve plate 4 is closed, the locking rod 7 will be aligned and automatically inserted into the locking hole 9, and the locking rod 7 entering the locking hole 9 pushes the locking block 12, and when the locking groove 8 on the locking rod 7 is aligned with the locking block 12, the locking block 12 is automatically stuck in the locking groove 8 under the thrust of the spring 13, thereby fixing the locking rod 7, and when the wave valve plate 4 is opened for ventilation, the dust in the air outside the door can be effectively blocked by the dustproof net 11.

[0025] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0026] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. Swing-type explosion-proof valve, including: The explosion-proof wave valve body (1) is characterized in that a wave valve plate (4) is arranged on one side of the explosion-proof wave valve body (1), and an impact-proof buffer structure is arranged around the wave valve plate (4) located on one side of the explosion-proof wave valve body (1), a ventilation hole (10) is opened on the side of the explosion-proof wave valve body (1) facing the wave valve plate (4), and a dustproof net (11) is connected inside the ventilation hole (10), a locking rod (7) is arranged at the lower end of the wave valve plate (4) located on one side of the explosion-proof wave valve body (1), and a locking hole (9) is arranged on the side of the explosion-proof wave valve body (1) facing the locking rod (7).

2. The swing-type explosion-proof valve according to claim 1, characterized in that: The buffer structure comprises an air cushion (5) and a cavity (6); the air cushion (5) is made of rubber, and the cavity (6) is opened inside the air cushion (5).

3. The swing-type explosion-proof valve according to claim 2, characterized in that: The air cushion (5) is fixedly connected to the wave valve plate (4) on one side of the ventilation opening (10), and air holes are arranged on the outer side of the periphery of the air cushion (5), and the air holes are communicated with the interior of the cavity (6).

4. The swing-type explosion-proof valve according to claim 1, characterized in that: The locking rod (7) has locking grooves (8) symmetrically formed on both sides of one end thereof. The explosion-proof valve body (1) is slidably connected to a locking block (12) located inside one side of the locking hole (9). There are two locking blocks (12) which are snap-fitted into the locking groove (8). The locking block (12) is located at one end of the locking groove (8) and is an arc-shaped chamfered structure.

5. The swing-type explosion-proof valve according to claim 1, characterized in that: A spring (13) is arranged inside one end of the explosion-proof valve body (1) that is in contact with the locking block (12); one end of the locking block (12) close to the spring (13) is fixedly connected to a lever (14); a limiting groove (15) is provided on one side of the lever (14) of the explosion-proof valve body (1); and the lever (14) passes through the limiting groove (15).

6. The swing-type explosion-proof valve according to claim 1, characterized in that: The explosion-proof wave valve body (1) is provided with an axle seat (2) on one side above the wave valve plate (4); the axle seat (2) is connected to a connecting rod (3) via an axle; one end of the connecting rod (3) is fixedly connected to one side of the upper end of the wave valve plate (4).

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