Civil air defense engineering protection device

Abstract

The utility model relates to a protective device for civil air defense engineering, which belongs to the field of civil air defense engineering and comprises a floor drain shell. The filter screen is detachably arranged on the inner side of the floor drain shell; the anti-poison assembly is arranged on the inner side of the floor drain shell; the impact buffering assembly is arranged on the inner side of the floor drain shell in a communicating mode, comprises a buffering block and is arranged on the inner side of the floor drain shell; the plurality of spiral flow guide holes are uniformly distributed and formed in the lower surface of the buffer block; and the sealing assembly is arranged on the inner side of the anti-poison assembly. According to the anti-explosion floor drain, stepped dissipation of shock wave energy is achieved through the synergistic effect of the impact buffering assembly and the sealing assembly, so that the anti-impact effect of the anti-explosion floor drain is improved, meanwhile, under the synergistic effect of the anti-poison assembly and the sealing assembly, double sealing can be formed in the anti-explosion floor drain, and the anti-poison effect of the anti-explosion floor drain is improved.

Description

Technical Field

[0001] This utility model relates to the field of civil defense engineering technology, specifically a civil defense engineering protective device. Background Technology

[0002] Civil defense engineering protective devices refer to the collective term for reinforced concrete protective equipment, steel structure manual protective equipment, valves, electrically controlled doors, electromagnetic pulse protection doors, subway and tunnel mainline protective airtight doors, and other protective equipment used in civil air defense engineering to avoid and mitigate damage from air raids. Among them, explosion-proof floor drains are used to control airflow inside the project and prevent the entry of blast waves.

[0003] In civil defense projects, explosion-proof floor drains serve as a crucial channel connecting sewers to indoor spaces, and their protective performance directly impacts personnel safety. However, existing explosion-proof floor drains have poor resistance to shock waves. When a sewer explodes, the shock wave generated by the explosion directly impacts the explosion-proof floor drain, leading to its damage. Therefore, this application proposes a protective device for civil defense projects to address the aforementioned technical problems. Utility Model Content

[0004] In view of one or more of the above-mentioned defects or improvement needs of the existing technology, this utility model provides a civil defense engineering protection device, which has the advantage of improving the impact resistance of explosion-proof floor drains.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a civil defense engineering protective device, including a drain shell;

[0006] A filter screen is detachably located on the inside of the drain housing;

[0007] An anti-toxic component is located on the inside of the drain casing;

[0008] A connectable buffer assembly located inside the drain housing includes a buffer block located inside the drain housing; and a number of spiral guide holes evenly distributed on the lower surface of the buffer block.

[0009] A sealing component is located inside the anti-toxic component.

[0010] As a further improvement of this utility model, the drain housing further includes a snap-fit ​​groove formed on the upper surface of the drain housing, and the filter screen is detachably disposed inside the snap-fit ​​groove.

[0011] As a further improvement of this utility model, the anti-toxic component includes a conical sleeve disposed inside the drain housing, and the drain end of the drain housing is located inside the conical sleeve.

[0012] A connecting sleeve is provided on the inner side of the conical sleeve;

[0013] A sealing sleeve is provided on the upper end face of the connecting sleeve, and the conical sleeve is located inside the sealing sleeve.

[0014] As a further improvement of this utility model, the buffer assembly further includes a flow guiding cavity, which is formed inside the buffer block;

[0015] A water inlet is provided on the upper surface of the buffer block, and the water inlet is connected to the flow guide cavity.

[0016] As a further improvement of this utility model, the flow guiding cavity is composed of a flow splitting cavity and a sealing cavity, and the flow splitting cavity is located below the sealing cavity, and a number of spiral flow guiding holes are all connected to the flow splitting cavity.

[0017] As a further improvement of this utility model, the sealing assembly includes a mounting plate disposed inside the connecting sleeve;

[0018] A fixed shaft is slidably disposed on the inner side of the mounting plate, and the fixed shaft is located on the inner side of the water inlet hole;

[0019] An abutment plate is provided on the upper end face of the fixed shaft;

[0020] A return spring is sleeved on the outside of the fixed shaft, and the two ends of the return spring are respectively located between the outside of the contact plate and the mounting plate;

[0021] The first impact plate is located on the outside of the fixed shaft;

[0022] The second impact plate is located on the outside of the fixed shaft.

[0023] As a further improvement of this utility model, the outer side of the first impact plate is adapted to the inner side of the conical sleeve.

[0024] The second impact plate is located inside the sealing cavity, the outer side of the second impact plate is in contact with the inner side of the sealing cavity, and the lower surface of the second impact plate is flush with the upper inner surface of the diversion cavity.

[0025] In summary, the beneficial effects of the above-described technical solutions conceived by this utility model compared with the prior art include:

[0026] 1. The civil defense engineering protection device in the preferred embodiment of this utility model achieves step-by-step dissipation of shock wave energy through the synergistic effect of the shock-absorbing component and the sealing component, thereby improving the shock resistance of the explosion-proof floor drain. At the same time, under the synergistic effect of the anti-toxic component and the sealing component, a double seal can be formed inside the explosion-proof floor drain, thereby improving the anti-toxic effect of the explosion-proof floor drain.

[0027] 2. The civil defense engineering protection device in the preferred embodiment of this utility model has a simple overall structure and is easy to operate. It can not only dissipate the energy of shock waves in a stepwise manner, but also form a double seal inside the explosion-proof floor drain, which improves the impact resistance of the explosion-proof floor drain and also improves the anti-toxic effect of the explosion-proof floor drain. It has good use value and application prospects. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall exploded three-dimensional structure in a preferred embodiment of the present invention;

[0029] Figure 2 This is a schematic diagram of the overall three-dimensional structure in a preferred embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the overall three-dimensional structure of the drain shell in a preferred embodiment of the present invention;

[0031] Figure 4 This is a three-dimensional cross-sectional view of the anti-toxic component in a preferred embodiment of the present invention.

[0032] Figure 5 This is a three-dimensional cross-sectional view of the buffer impact assembly in a preferred embodiment of the present invention.

[0033] Figure 6 This is a schematic diagram of the overall three-dimensional structure of the sealing assembly in a preferred embodiment of the present invention.

[0034] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically: 1. Drain housing; 11. Snap-fit ​​groove; 2. Filter screen; 3. Anti-toxic component; 31. Conical sleeve; 32. Connecting sleeve; 33. Sealing sleeve; 4. Buffer assembly; 41. Buffer block; 42. Flow guide cavity; 43. Water inlet hole; 44. Spiral flow guide hole; 5. Sealing assembly; 51. Mounting plate; 52. Fixed shaft; 53. Abutment plate; 54. Return spring; 55. First impact plate; 56. Second impact plate. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] In the embodiments, by Figure 1-6 A protective device for civil defense engineering is provided, which may optionally include, but is not limited to, a floor drain shell 1;

[0037] The filter screen 2 is detachably located inside the drain housing 1;

[0038] The anti-toxic component 3 is located inside the drain housing 1;

[0039] A buffer assembly 4, which is connectable and located inside the drain housing 1, includes a buffer block 41 located inside the drain housing 1; and a number of spiral guide holes 44 evenly distributed on the lower surface of the buffer block 41.

[0040] The sealing component 5 is located inside the anti-toxic component 3.

[0041] This embodiment provides a protective device for civil defense engineering. By placing the drain shell 1 at the inlet of the sewer, water can be discharged from the drain shell 1 into the sewer. Under the action of the filter screen 2, it can prevent debris from entering the drain shell 1 and causing blockage. Under the action of the anti-toxic component 3, some of the discharged water can remain inside the drain shell 1, thus forming a water seal inside the drain shell 1. This prevents toxic gases in the sewer from entering the civil defense engineering through the drain shell 1. At the same time, under the action of the two sealing components 5, not only can the anti-toxic effect of the anti-toxic component 3 be improved, but it can also resist the shock wave generated by the explosion. In addition, under the action of the shock wave buffer component 4, the path of the shock wave when entering the drain shell 1 can be lengthened, thereby minimizing the energy of the shock wave when entering the drain shell 1. This improves the impact resistance of the drain shell 1.

[0042] Furthermore, such as Figure 3 As shown, in the preferred embodiment of this utility model, the drain housing 1 further includes a snap-fit ​​groove 11, which is opened on the upper surface of the drain housing 1, and the filter screen 2 is detachably disposed inside the snap-fit ​​groove 11. In this way, under the action of the filter screen 2, it is possible to prevent debris from entering the drain housing 1 and causing the drain housing 1 to become blocked.

[0043] Furthermore, such as Figure 4 As shown, the anti-toxic component 3 in the preferred embodiment of this utility model includes a conical sleeve 31 disposed inside the drain housing 1, with the drain end of the drain housing 1 located inside the conical sleeve 31; a connecting sleeve 32 disposed inside the conical sleeve 31; and a sealing sleeve 33 disposed on the upper end face of the connecting sleeve 32, with the conical sleeve 31 located inside the sealing sleeve 33.

[0044] More specifically, the connecting sleeve 32 is located inside the tapered sleeve 31 via a number of connecting shafts.

[0045] In this embodiment, several preferred embodiments of the anti-toxic component 3 are given. Through the conical sleeve 31, after the drain water enters the drain shell 1, the drain water will gather inside the drain shell 1. When the water level in the drain shell 1 is higher than the conical sleeve 31, the drain water in the drain shell 1 will be discharged into the sewer through the conical sleeve 31. When no more drain water enters the drain shell 1, under the action of the conical sleeve 31, a part of the drain water will remain inside the drain shell 1. This part of the drain water will be between the conical sleeve 31 and the sealing sleeve 33, thereby forming a seal between the sewer and the drain shell 1, thus preventing the toxic gas in the sewer from entering the civil defense project through the drain shell 1.

[0046] Furthermore, such as Figure 5 As shown, the buffer assembly 4 in the preferred embodiment of this utility model further includes a flow guiding cavity 42, which is opened inside the buffer block 41; and a water inlet 43, which is opened on the upper surface of the buffer block 41, and the water inlet 43 is connected to the flow guiding cavity 42.

[0047] More specifically, the flow guiding cavity 42 is composed of a flow splitting cavity and a sealing cavity, with the flow splitting cavity located below the sealing cavity, and a number of spiral flow guiding holes 44 communicating with the flow splitting cavity.

[0048] In this embodiment, several preferred embodiments of the shock-absorbing component 4 are given. Through the water inlet 43, the drain water in the drain housing 1 enters the guide cavity 42. Then, the guide cavity 42 diverts the drain water into a number of spiral guide holes 44. This allows the drain water to be discharged into the sewer from the spiral guide holes 44. At the same time, under the action of the number of spiral guide holes 44, the path of the shock wave when entering the drain housing 1 can be extended, thereby minimizing the energy of the shock wave when entering the drain housing 1. This improves the impact resistance of the drain housing 1.

[0049] Furthermore, such as Figure 6 As shown, the sealing assembly 5 in the preferred embodiment of this utility model includes a mounting plate 51 disposed inside the connecting sleeve 32; a fixed shaft 52 slidably disposed inside the mounting plate 51, and the fixed shaft 52 is located inside the water inlet hole 43; an abutment plate 53 disposed on the upper end face of the fixed shaft 52; a return spring 54 sleeved on the outside of the fixed shaft 52, and the two ends of the return spring 54 are respectively disposed between the abutment plate 53 and the outside of the mounting plate 51; a first impact plate 55 disposed on the outside of the fixed shaft 52; and a second impact plate 56 disposed on the outside of the fixed shaft 52.

[0050] Furthermore, the outer side of the first impact plate 55 is adapted to the inner side of the conical sleeve 31.

[0051] Furthermore, the second impact plate 56 is located inside the sealing cavity, the outer side of the second impact plate 56 is in contact with the inner side of the sealing cavity, and the lower surface of the second impact plate 56 is flush with the upper inner surface of the diversion cavity.

[0052] In this embodiment, several preferred embodiments of the sealing assembly 5 are provided. Water is collected in the guide cavity 42. Under the action of a large amount of water, the second impact plate 56 in the sealing cavity is pressed downwards, causing the second impact plate 56 to cease sealing the cavity. This allows water to enter the diversion cavity from the sealing cavity, and then discharges into the sewer through several spiral guide holes 44. As the second impact plate 56 moves downwards, it drives the abutment plate 53 on the fixed shaft 52 to move downwards. The abutment plate 53 presses against the return spring 54. When no more water enters the sealing cavity, the return spring 54 moves the second impact plate 56 into the sealing cavity, thus sealing the cavity. This is achieved in the conical sleeve... Under the action of the first impact plate 31 and the second impact plate 56, the drain shell 1 can be double-sealed, thereby improving the anti-toxic effect of the drain shell 1. When the shock wave generated by the explosion in the sewer enters the diversion cavity 42, the shock wave will push the second impact plate 56 upward. The second impact plate 56 will drive the first impact plate 55 to move upward through the fixed shaft 52, so that the outer side of the first impact plate 55 contacts the inner side of the conical sleeve 31. In this way, when the drain shell 1 receives the shock wave, the first impact plate 55 and the second impact plate 56 will provide double protection for the drain shell 1, thereby improving the shock wave resistance of the drain shell 1 and effectively preventing toxic gas or harmful substances in the shock wave from entering the civil defense project from the drain shell 1, thus ensuring people's personal safety.

[0053] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0054] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A civil defense protection device, characterized in that, The utility model provides a floor drain, which comprises a floor drain shell (1); A filter screen (2) is detachably arranged on the inner side of the floor drain shell (1); A poison prevention assembly (3) is arranged on the inner side of the floor drain shell (1); A buffer impact assembly (4) is arranged on the inner side of the floor drain shell (1) and comprises a buffer block (41) arranged on the inner side of the floor drain shell (1), and a plurality of spiral flow guide holes (44) evenly arranged on the lower surface of the buffer block (41); A sealing assembly (5) is arranged on the inner side of the poison prevention assembly (3).

2. The civil defense shelter protection apparatus of claim 1, wherein, The floor drain shell (1) further comprises a clamping groove (11) arranged on the upper surface of the floor drain shell (1), and the filter screen (2) is detachably arranged on the inner side of the clamping groove (11).

3. The civil defense shelter protection apparatus of claim 2, wherein, The poison prevention assembly (3) comprises a conical sleeve (31) arranged on the inner side of the floor drain shell (1), and the drainage end of the floor drain shell (1) is located on the inner side of the conical sleeve (31); A connecting sleeve (32) is arranged on the inner side of the conical sleeve (31); A sealing sleeve (33) is arranged on the upper end surface of the connecting sleeve (32), and the conical sleeve (31) is located on the inner side of the sealing sleeve (33).

4. The civil defense shelter protection apparatus of claim 3, wherein, The buffer impact assembly (4) further comprises a flow guide cavity (42) arranged in the buffer block (41); A water inlet hole (43) is arranged on the upper surface of the buffer block (41), and the water inlet hole (43) is in communication with the flow guide cavity (42).

5. The civil defense shelter protection apparatus of claim 4, wherein, The flow guide cavity (42) is composed of a shunt cavity and a sealing cavity, the shunt cavity is located below the sealing cavity, and a plurality of spiral flow guide holes (44) are in communication with the shunt cavity.

6. The civil defense shelter protection apparatus of claim 5, wherein, The sealing assembly (5) comprises a mounting plate (51) arranged on the inner side of the connecting sleeve (32); A fixed shaft (52) is slidably arranged on the inner side of the mounting plate (51), and the fixed shaft (52) is located on the inner side of the water inlet hole (43); A contact plate (53) is arranged on the upper end surface of the fixed shaft (52); A return spring (54) is sleevedly arranged on the outer side of the fixed shaft (52), and the two ends of the return spring (54) are respectively arranged between the outer sides of the contact plate (53) and the mounting plate (51); A first impact plate (55) is arranged on the outer side of the fixed shaft (52); A second impact plate (56) is arranged on the outer side of the fixed shaft (52).

7. The civil defense shelter protection apparatus of claim 6, wherein, The outer side of the first impact plate (55) is matched with the inner side of the conical sleeve (31); The second impact plate (56) is located on the inner side of the sealing cavity, the outer side of the second impact plate (56) is in contact with the inner side of the sealing cavity, and the lower surface of the second impact plate (56) is flush with the upper surface of the shunt cavity.

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