Civil air defense construction ventilation device

Abstract

The utility model discloses a ventilation device for civil air defense engineering, which belongs to the technical field of civil air defense engineering and comprises four impact mechanisms arranged on the left surface of a shell, each impact mechanism comprises an impact plate arranged on the left surface of the shell, and an impact plate arranged on the right surface of the shell; the right end surface of the connecting plate is fixedly connected to the left surface of the impact plate; a slide bar; the outer surface of the sliding rod is in sliding connection with the interior of the connecting plate. Through the arrangement of the impact mechanism, the problems that a large amount of dust is attached to the surface of a dustproof net when a ventilation device is used for a long time, the ventilation effect of the ventilation device is affected, a worker needs to detach the dustproof net for cleaning, however, the operation is tedious, and the working efficiency is high are solved. And time and labor are consumed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of civil air defense engineering, especially relates to a civil air defense engineering ventilation device. BACKGROUND

[0002] Civil air defense engineering is an underground protective building which is independently built for protecting personnel and materials, air defense command, medical aid and the like in wartime, or a basement which is built in combination with ground building and can be used for air defense in wartime, has the important functions of protecting air raid, guaranteeing life and property safety and the like, and needs ventilation device, because it can provide fresh air, satisfy personnel breathing demand, ensure air quality, prevent oxygen deficiency and carbon dioxide accumulation, and also can adjust temperature and humidity, remove harmful gas and peculiar smell, create safe and comfortable living environment for personnel, and guarantee life health and normal activity.

[0003] The ventilation device commonly seen on the market is often provided with a dust screen inside, and a large amount of dust is attached to the surface of the dust screen after long-time use of the ventilation device, which affects the ventilation effect of the ventilation device, and the dust screen needs to be disassembled and cleaned by the staff, but the operation is relatively cumbersome and time-consuming and labor-consuming. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a civil air defense engineering ventilation device which has the advantages of shaking off dust on the surface of the dust screen, solves the problems that a large amount of dust is attached to the surface of the dust screen after long-time use of the ventilation device, which affects the ventilation effect of the ventilation device, and the dust screen needs to be disassembled and cleaned by the staff, but the operation is relatively cumbersome and time-consuming and labor-consuming.

[0005] The utility model is implemented in this way, and the civil air defense engineering ventilation device comprises:

[0006] A shell;

[0007] A ventilation mechanism, the outer surface of the ventilation mechanism is fixedly connected to the inner wall of the shell;

[0008] A dust screen, the dust screen is arranged in the ventilation mechanism;

[0009] Four impact mechanisms, the four impact mechanisms are arranged on the left surface of the shell, and the impact mechanism comprises:

[0010] An impact plate, the impact plate is arranged on the left surface of the shell;

[0011] A connecting plate, the right end surface of the connecting plate is fixedly connected to the left surface of the impact plate;

[0012] A sliding rod, the outer surface of the sliding rod is in sliding connection with the inside of the connecting plate;

[0013] Transmission assembly: the transmission assembly is arranged on the right side of the connecting plate.

[0014] As preferred by the utility model, the transmission assembly comprises:

[0015] First toothed plate: the left surface of the first toothed plate is fixedly connected to the right surface of the connecting plate;

[0016] Spur gear: the outer surface of the spur gear is in mesh with the outer surface of the first toothed plate;

[0017] Second toothed plate: the second toothed plate is arranged on the inner wall of the shell.

[0018] As preferred by the utility model, the lower surface of the spur gear is provided with a support plate, the support plate is provided with four, the left surface of the four support plates is fixedly connected to the right end surface of the sliding rod, and the right surface of the support plate is fixedly connected to the left surface of the shell.

[0019] As preferred by the utility model, the upper surface of the support plate is provided with a support assembly, the support assembly is provided with two, and the two support assemblies comprise:

[0020] Connecting rod: the outer surface of the connecting rod is fixedly connected to the inner wall of the spur gear;

[0021] Fixing piece: the fixing piece is provided with two, the lower surfaces of the two fixing pieces are fixedly connected to the upper surface of the support plate, and the inner wall of the fixing piece is rotatably connected to the outer surface of the connecting rod through a bearing.

[0022] As preferred by the utility model, the left surface of the shell is provided with a through groove, the through groove is provided with four, and the inner walls of the four through grooves are in sliding connection with the outer surface of the second toothed plate.

[0023] As preferred by the utility model, the right surface of the dustproof net is provided with a driving assembly, and the driving assembly comprises:

[0024] Telescopic column: the telescopic column is provided with four, and the left end surfaces of the four telescopic columns are fixedly connected to the right surface of the dustproof net;

[0025] Telescopic spring: the telescopic spring is sleeved on the outer surface of the telescopic column, and the left end surface of the telescopic spring is fixedly connected to the right surface of the dustproof net;

[0026] Transmission plate: the left surface of the transmission plate is fixedly connected to the right end surfaces of the telescopic column and the telescopic spring;

[0027] Threaded rod: the outer surface of the threaded rod is rotatably connected to the inside of the transmission plate through threads, and the outer surface of the threaded rod is rotatably connected to the inside of the shell through a bearing.

[0028] Servo motor: the servo motor output end is fixedly connected to the left end face of the threaded rod, and the right surface of the servo motor is fixedly connected to the left surface of the shell.

[0029] As preferred by the utility model, sliding grooves are arranged on the inner wall of the shell, four sliding grooves are arranged, and the inner walls of the four sliding grooves are in sliding connection with the outer surface of the transmission plate.

[0030] Compared with the prior art, the utility model has the beneficial effects as follows:

[0031] 1、The utility model discloses a set up impact mechanism, support plate, support subassembly and through groove, transmission plate can push second toothed plate and move to left, until second toothed plate and spur gear interlock, make spur gear and first toothed plate interlock, first toothed plate drive connecting plate to approach dust screen along sliding rod, and connecting plate drives impact plate and moves together, so that impact plate hits the left surface of dust screen, and dust screen applies pressure to telescopic spring, and telescopic spring generates elastic force, and the vibration generated by impact makes the dust on the surface of dust screen fall, then, make servo motor reverse drive threaded rod and rotate, and impact plate does not contact the left surface of dust screen, at this time, telescopic spring releases elastic force, and circulates reciprocatingly, reach through the effect of vibration and make the dust on the surface of dust screen fall.

[0032] 2、The utility model discloses a set up drive assembly and sliding groove, through servo motor drive threaded rod and rotate, threaded rod can drive transmission plate and move to left along the inner wall of sliding groove through screw thread, and transmission plate drives dust screen and moves to left through telescopic column and telescopic spring, reach the effect that before carrying out simple cleaning to dust screen, remove dust screen from the inner wall of shell. ACCURACY OF DRAWINGS

[0033] Figure 1 It is the three-dimensional structure schematic diagram provided by the utility model embodiment;

[0034] Figure 2 It is the three-dimensional structure schematic diagram of impact mechanism, support plate and support subassembly provided by the utility model embodiment;

[0035] Figure 3 It is the explosion schematic diagram of drive assembly and second toothed plate provided by the utility model embodiment;

[0036] Figure 4 It is the three-dimensional structure schematic diagram of through groove and sliding groove provided by the utility model embodiment.

[0037] As shown in the figure: 1, the shell; 2, ventilation mechanism; 3, dust screen; 4, impact mechanism; 410, impact plate; 420, connecting plate; 430, sliding rod; 440, transmission assembly; 441, first toothed plate; 442, spur gear; 443, second toothed plate; 5, support plate; 6, support assembly; 601, connecting rod; 602, fixing piece; 7, through slot; 8, drive assembly; 801, telescopic column; 802, telescopic spring; 803, transmission plate; 804, threaded rod; 805, servo motor; 9, sliding groove. DETAILED DESCRIPTION

[0038] In order to further understand the application content, characteristics and effects of the utility model, the following examples are given, and the details are described as follows with reference to the drawings.

[0039] The structure of the utility model will be described in detail below with reference to the drawings.

[0040] As Figures 1 to 4 shown, the utility model embodiment provides a civil air defense engineering ventilation device, which comprises:

[0041] The shell 1;

[0042] The ventilation mechanism 2 is fixedly connected to the inner wall of the shell 1;

[0043] The dust screen 3 is arranged inside the ventilation mechanism 2;

[0044] The impact mechanism 4 is provided with four impact mechanisms 4, which are arranged on the left surface of the shell 1, and the impact mechanism 4 comprises:

[0045] The impact plate 410 is arranged on the left surface of the shell 1;

[0046] The connecting plate 420 is fixedly connected to the left surface of the impact plate 410;

[0047] The sliding rod 430 is in sliding connection with the inner part of the connecting plate 420;

[0048] The transmission assembly 440 is arranged on the right side of the connecting plate 420.

[0049] As shown in the figure Figure 2 and Figure 3 , the transmission assembly 440 comprises:

[0050] The first toothed plate 441 is fixedly connected to the right surface of the connecting plate 420;

[0051] The spur gear 442 is in meshing with the outer surface of the first toothed plate 441;

[0052] The second toothed plate 443 is arranged on the inner wall of the shell 1.

[0053] By the above scheme: the second toothed plate 443 moves to the left until the second toothed plate 443 is engaged with the spur gear 442, so that the spur gear 442 is engaged with the first toothed plate 441, the first toothed plate 441 drives the connecting plate 420 to move towards the dust screen 3 along the sliding rod 430, and the connecting plate 420 drives the impact plate 410 to move together, so that the impact plate 410 impacts the left surface of the dust screen 3, and the dust on the surface of the dust screen 3 is shaken off.

[0054] Reference Figure 2 As shown, the lower surface of the spur gear 442 is provided with four support plates 5, the left surfaces of the four support plates 5 are fixedly connected to the right end surface of the sliding rod 430, and the right surfaces of the support plates 5 are fixedly connected to the left surface of the shell 1.

[0055] By the above scheme: the support plate 5 mainly plays a role in supporting the transmission assembly 440.

[0056] Reference Figure 2 As shown, the upper surface of the support plate 5 is provided with two support assemblies 6, and the two support assemblies 6 comprise:

[0057] The connecting rod 601 is fixedly connected to the inner wall of the spur gear 442;

[0058] The fixed part 602 is provided with two, and the lower surfaces of the two fixed parts 602 are fixedly connected to the upper surface of the support plate 5, and the inner wall of the fixed part 602 is rotatably connected with the outer surface of the connecting rod 601 through a bearing.

[0059] By the above scheme: the connecting rod 601 mainly plays a role in supporting the spur gear 442, and the fixed part 602 mainly plays a role in supporting the connecting rod 601.

[0060] Reference Figure 4 As shown, the left surface of the shell 1 is provided with four through grooves 7, and the inner walls of the four through grooves 7 are in sliding connection with the outer surface of the second toothed plate 443.

[0061] By the above scheme: the through groove 7 mainly plays a role in providing a moving space for the second toothed plate 443 to move to the left.

[0062] Reference Figure 3 As shown, the right surface of the dust screen 3 is provided with a driving assembly 8, and the driving assembly 8 comprises:

[0063] The telescopic column 801 is provided with four, and the left end surfaces of the four telescopic columns 801 are fixedly connected to the right surface of the dust screen 3;

[0064] Telescopic spring 802: telescopic spring 802 is sleeved on the outer surface of telescopic column 801, and the left end surface of telescopic spring 802 is fixedly connected to the right surface of dust screen 3;

[0065] Transmission plate 803: the left surface of transmission plate 803 is fixedly connected to the right end surface of telescopic column 801 and telescopic spring 802;

[0066] Threaded rod 804: the outer surface of threaded rod 804 is rotatably connected to the inside of transmission plate 803 through threads, and the outer surface of threaded rod 804 is rotatably connected to the inside of shell 1 through a bearing;

[0067] Servo motor 805: the left end surface of threaded rod 804 is fixedly connected to the output end of servo motor 805, and the right surface of servo motor 805 is fixedly connected to the left surface of shell 1.

[0068] The above scheme is adopted: in order to move the second toothed plate 443 to the left, the threaded rod 804 is rotated by the servo motor 805, the threaded rod 804 can drive the transmission plate 803 to move to the left through threads, the transmission plate 803 pushes the dust screen 3 to move to the left through the telescopic column 801 and the telescopic spring 802, and simultaneously, the transmission plate 803 can push the second toothed plate 443 to move to the left; when the impact plate 410 impacts the left surface of the dust screen 3, the dust screen 3 applies pressure to the telescopic spring 802, so that the telescopic spring 802 generates elastic force.

[0069] Reference Figure 4 As shown, the inner wall of shell 1 is provided with four sliding grooves 9, and the inner walls of the four sliding grooves 9 are in sliding connection with the outer surface of transmission plate 803.

[0070] The above scheme is adopted: the sliding groove 9 mainly provides a moving path for the movement of the transmission plate 803.

[0071] Working principle of the utility model:

[0072] In use, the threaded rod 804 is driven to rotate by the servo motor 805, the threaded rod 804 drives the transmission plate 803 to move left along the inner wall of the sliding groove 9 through the thread, the transmission plate 803 drives the second toothed plate 443 to move left through the telescopic column 801 and the telescopic spring 802, the transmission plate 803 drives the second toothed plate 443 to move left until the second toothed plate 443 and the spur gear 442 are engaged with each other, the first toothed plate 441 drives the connecting plate 420 to move along the sliding rod 430 to the dust screen 3, the connecting plate 420 drives the impact plate 410 to move together, the impact plate 410 hits the left surface of the dust screen 3, the dust screen 3 applies pressure to the telescopic spring 802, the telescopic spring 802 generates elastic force, the vibration generated by the impact makes the dust on the surface of the dust screen 3 fall off, then the servo motor 805 is reversed to drive the threaded rod 804 to rotate, the impact plate 410 is not in contact with the left surface of the dust screen 3, at this time, the telescopic spring 802 releases the elastic force, and the dust on the surface of the dust screen 3 is shaken off in a cycle.

[0073] It should be noted that the servo motor 805 is an existing device or equipment or an existing device or equipment that can be realized, and the power supply specific composition and principle of the servo motor 805 are clear to those skilled in the art, so it will not be described in detail.

[0074] In summary: the civil air defense engineering ventilation device solves the problem that long-term use of the ventilation device will cause a large amount of dust to adhere to the surface of the dust screen, affecting the ventilation effect of the ventilation device, and the staff needs to disassemble and clean the dust screen, but the operation is relatively cumbersome and time-consuming.

[0075] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0076] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for civil defense engineering, characterized in that, include: Shell (1); Ventilation mechanism (2): The outer surface of the ventilation mechanism (2) is fixedly connected to the inner wall of the housing (1); Dustproof net (3): The dustproof net (3) is installed inside the ventilation mechanism (2); Impact mechanism (4): Four impact mechanisms (4) are provided, and the four impact mechanisms (4) are provided on the left surface of the housing (1). The impact mechanism (4) includes: Impact plate (410): The impact plate (410) is disposed on the left surface of the housing (1); Connecting plate (420): The right end face of the connecting plate (420) is fixedly connected to the left surface of the impact plate (410); Sliding rod (430); the outer surface of the sliding rod (430) is slidably connected to the interior of the connecting plate (420); Transmission assembly (440): The transmission assembly (440) is located on the right side of the connecting plate (420).

2. The ventilation device for civil defense engineering as described in claim 1, characterized in that: The transmission assembly (440) includes: First toothed plate (441): The left surface of the first toothed plate (441) is fixedly connected to the right surface of the connecting plate (420); Spur gear (442): The outer surface of the spur gear (442) meshes with the outer surface of the first tooth plate (441); Second toothed plate (443): The second toothed plate (443) is disposed on the inner wall of the housing (1).

3. A ventilation device for civil defense engineering as described in claim 2, characterized in that: The lower surface of the spur gear (442) is provided with a support plate (5), and four support plates (5) are provided. The left surface of the four support plates (5) is fixedly connected to the right end face of the sliding rod (430), and the right surface of the support plate (5) is fixedly connected to the left surface of the housing (1).

4. A ventilation device for civil defense engineering as described in claim 3, characterized in that: The upper surface of the support plate (5) is provided with a support assembly (6), and two support assemblies (6) are provided. The two support assemblies (6) include: Connecting rod (601): The outer surface of the connecting rod (601) is fixedly connected to the inner wall of the spur gear (442); Fixing component (602): There are two fixing components (602). The lower surfaces of the two fixing components (602) are fixedly connected to the upper surface of the support plate (5). The inner wall of the fixing component (602) is rotatably connected to the outer surface of the connecting rod (601) through a bearing.

5. A ventilation device for civil defense engineering as described in claim 2, characterized in that: The left surface of the housing (1) is provided with a through groove (7), and there are four through grooves (7). The inner wall of the four through grooves (7) is slidably connected to the outer surface of the second toothed plate (443).

6. A ventilation device for civil defense engineering as described in claim 1, characterized in that: The right surface of the dustproof net (3) is provided with a driving component (8), the driving component (8) including: Telescopic column (801): Four telescopic columns (801) are provided, and the left end face of the four telescopic columns (801) is fixedly connected to the right surface of the dustproof net (3); Telescopic spring (802): The telescopic spring (802) is sleeved on the outer surface of the telescopic column (801), and the left end face of the telescopic spring (802) is fixedly connected to the right surface of the dustproof net (3); Transmission plate (803): The left surface of the transmission plate (803) is fixedly connected to the right end face of the telescopic column (801) and the telescopic spring (802); Threaded rod (804): The outer surface of the threaded rod (804) is rotatably connected to the inside of the transmission plate (803) by a thread, and the outer surface of the threaded rod (804) is rotatably connected to the inside of the housing (1) by a bearing; Servo motor (805): The output end of the servo motor (805) is fixedly connected to the left end face of the threaded rod (804), and the right surface of the servo motor (805) is fixedly connected to the left surface of the housing (1).

7. A ventilation device for civil defense engineering as described in claim 6, characterized in that: The inner wall of the housing (1) is provided with a sliding groove (9), and there are four sliding grooves (9). The inner walls of the four sliding grooves (9) are slidably connected to the outer surface of the transmission plate (803).

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