Civil air defense construction ventilation device

Abstract

The utility model discloses a ventilation device for civil air defense engineering, and relates to the technical field of civil air defense engineering. The ventilation device comprises a ventilation assembly, the end portion of the ventilation assembly is fixedly connected with an air filtering pipe, a frame body is fixedly installed on the inner wall of the air filtering pipe, a spring is fixedly installed on the end face of the frame body, an installation frame is fixedly installed on the end portion of the spring, and the installation frame is installed on the inner wall of the air filtering pipe in a sliding mode. Dust and impurities in air are efficiently filtered through the filter screen in the mounting frame, the air quality in the civil air defense project is ensured, the dust cleaning assembly can automatically clean dust accumulated on the surface of the filter screen, meanwhile, the cam mechanism drives the mounting frame to transversely shake in the air filter pipe in a reciprocating mode, and the cleaning effect of the dust cleaning assembly is combined. And the dust collecting box is installed at the end of the dust discharging opening of the air filtering pipe, so that the filtered dust is conveniently collected and cleaned in a unified mode, and the maintenance workload and cost are further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a civil air defence engineering technical field, specifically relates to a civil air defence engineering ventilation device. BACKGROUND

[0002] The ventilation system of civil air defence engineering is crucial for guaranteeing internal air quality, and the traditional ventilation device is usually equipped with a dust filter screen for filtering dust and impurities in the air entering the engineering. However, after long-term use, a large amount of dust will accumulate on the surface of the filter screen, resulting in reduced filtering efficiency, increased ventilation resistance, and affected overall ventilation effect.

[0003] In the prior art, the cleaning of the filter screen usually requires regular disassembly and cleaning by hand, which not only increases the maintenance workload and cost, but also may cause the ventilation system to be unable to work normally during cleaning, affecting the safety and comfort of the civil air defence engineering.

[0004] Therefore, a civil air defence engineering ventilation device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a civil air defence engineering ventilation device.

[0006] The utility model discloses a civil air defence engineering ventilation device.

[0007] A civil air defence engineering ventilation device, comprising a ventilation assembly, the end of the ventilation assembly is fixedly connected with a filter pipe, and the inner wall of the filter pipe is fixedly installed with a frame body, the end face of the frame body is fixedly installed with a spring, and the end of the spring is fixedly installed with a mounting frame, the mounting frame is slidingly installed on the inner wall of the filter pipe, the inner wall of the mounting frame is fixedly installed with a filter screen, the surface of the mounting frame is provided with a dust cleaning assembly for cleaning the dust on the surface of the filter screen, the top surface of the filter pipe is provided with a cam mechanism, and the mounting frame is driven to reciprocate through the cam mechanism.

[0008] Further, the mounting frame and the filter screen are located above the dust discharge port of the filter pipe, and the end of the dust discharge port of the filter pipe is detachably installed with a dust collecting box for collecting filtered dust.

[0009] Further, the mounting frame and the filter pipe dust discharge port support are fixedly installed with a corrugated rubber plate, and the corrugated rubber plate is made of elastic rubber material.

[0010] Further, the ventilation assembly comprises a ventilation pipe, the inner wall of the ventilation pipe is fixedly installed with a mounting support, and the mounting support is fixedly installed with a fan.

[0011] Further, the ash removal assembly comprises four groups of protrusions fixedly installed on the surface of the mounting frame, wherein the top surface of one group of protrusions is fixedly installed with a first motor, the output end of the first motor is fixedly connected with a threaded rod, the opposite surfaces of the other two groups of protrusions are fixedly installed with guide rods, and the surface of the threaded rod is threadedly sleeved with an ash removal plate, and the surface of the ash removal plate is slidingly sleeved with the guide rods.

[0012] Further, the cam mechanism comprises a second motor fixedly installed on the top surface of the air filter pipe, the output end of the second motor is fixedly installed with a rotating shaft penetrating through the top surface of the air filter pipe, the surface of the rotating shaft is fixedly sleeved with a cam body, and the surface of the cam body is attached to the surface of the mounting frame.

[0013] The beneficial effects of the utility model are as follows:

[0014] The air flows through the ventilation assembly, the dust and impurities in the air are efficiently filtered through the filter screen in the mounting frame, the air quality inside the civil air defense project is ensured, the ash removal assembly can automatically clean the dust accumulated on the surface of the filter screen, the mounting frame is driven to reciprocate transversely in the air filter pipe by the cam mechanism, the cleaning efficiency is significantly improved in combination with the cleaning effect of the ash removal assembly, the filtering performance of the filter screen is maintained, the dust collecting box is installed at the dust discharging port end of the air filter pipe, the filtered dust is conveniently collected and cleaned, and the maintenance workload and cost are further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 is the rear view of the utility model;

[0017] Fig. 3 is the sectional view of the utility model;

[0018] Fig. 4 is the local schematic diagram of the utility model;

[0019] The drawings are as follows: 1, ventilation assembly; 101, ventilation pipe; 102, mounting bracket; 103, fan; 2, air filter pipe; 21, frame body; 3, spring; 4, mounting frame; 41, corrugated rubber plate; 5, filter screen; 6, ash removal assembly; 601, protrusion; 602, first motor; 603, threaded rod; 604, guide rod; 605, ash removal plate; 7, cam mechanism; 701, second motor; 702, rotating shaft; 703, cam body; 8, dust collecting box. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships in which the product of the present application is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0024] As Figs. 1 to 4As shown, a civil air defense engineering ventilation device, including ventilation assembly 1, the end of ventilation assembly 1 is fixedly connected with filter pipe 2, and the inner wall of filter pipe 2 is fixedly installed with frame 21, the end face of frame 21 is fixedly installed with spring 3, the end of spring 3 is fixedly installed with mounting frame 4, mounting frame 4 is slidingly installed on the inner wall of filter pipe 2, the inner wall of mounting frame 4 is fixedly installed with filter screen 5, the surface of mounting frame 4 is provided with dust cleaning assembly 6 for cleaning the dust on the surface of filter screen 5, the top surface of filter pipe 2 is provided with cam mechanism 7, mounting frame 4 is driven to reciprocate by cam mechanism 7. More specifically, the air flow is realized by ventilation assembly 1, the dust and impurities in the air are filtered by filter screen 5 in mounting frame 4, mounting frame 4 is elastically connected in the inside of filter pipe 2 by spring 3, when cleaning dust, the dust accumulated on the surface of filter screen 5 after filtering is cleaned by dust cleaning assembly 6, at the same time, mounting frame 4 is reciprocated transversely in the inside of filter pipe 2 by cam mechanism 7, the cleaning efficiency of the dust accumulated on the surface of filter screen 5 is improved, and the cleaned dust can be discharged through the dust discharge port of filter pipe 2.

[0025] Mounting frame 4 and filter screen 5 are located above the dust discharge port of filter pipe 2, and the end of the dust discharge port of filter pipe 2 is detachably installed with dust collecting box 8 for collecting the filtered dust. More specifically, when dust cleaning assembly 6 works, the dust falls into dust collecting box 8 through the dust discharge port, which facilitates unified cleaning and reduces maintenance workload and cost.

[0026] Mounting frame 4 and filter pipe 2 dust discharge port support are fixedly installed with corrugated rubber plate 41, and the corrugated rubber plate 41 is made of elastic rubber material. More specifically, the corrugated rubber plate 41 is made of elastic rubber material, which seals the gap between mounting frame 4 and filter pipe 2 dust discharge port, preventing dust leakage.

[0027] Ventilation assembly 1 includes ventilation pipe 101, the inner wall of ventilation pipe 101 is fixedly installed with mounting bracket 102, and fan 103 is fixedly installed in mounting bracket 102. More specifically, fan 103 is used to drive air flow to ensure the normal operation of the ventilation system, and the end of ventilation pipe 101 and filter pipe 2 is provided with metal protective net.

[0028] The dust cleaning assembly 6 comprises four groups of protrusions 601 fixedly installed on the surface of the mounting frame 4, wherein the top surface of one group of protrusions 601 is fixedly installed with a first motor 602, the output end of the first motor 602 is fixedly connected with a threaded rod 603, the opposite surface of the other two groups of protrusions 601 is fixedly installed with a guide rod 604, and the surface of the threaded rod 603 is threadedly sleeved with a dust cleaning plate 605, and the surface of the dust cleaning plate 605 is slidingly sleeved with the guide rod 604. More specifically, the threaded rod 603 is driven to rotate by the first motor 602, so that the dust cleaning plate 605 slides along the guide rod 604, thereby achieving the cleaning of the dust on the surface of the filter screen 5.

[0029] The cam mechanism 7 comprises a second motor 701 fixedly installed on the top surface of the filter pipe 2, the output end of the second motor 701 is fixedly installed with a rotating shaft 702 penetrating through the top surface of the filter pipe 2, the surface of the rotating shaft 702 is fixedly sleeved with a cam body 703, and the surface of the cam body 703 is in contact with the surface of the mounting frame 4. More specifically, the rotating shaft 702 and the cam body 703 are driven to rotate by the second motor 701, the rotation of the cam body 703 drives the mounting frame 4 to move in the filter pipe 2, thereby achieving the stretching of the dust collecting box 8, and vice versa, the mounting frame 4 is in contact with the surface of the cam body 703 under the elastic action of the dust collecting box 8, thereby achieving the reciprocating vibration of the filter screen 5, and improving the dust cleaning efficiency.

[0030] In summary, the ventilation assembly 1 is used to realize the air flow, the filter screen 5 in the mounting frame 4 is used to filter the dust and impurities in the air, the spring 3 is used to realize the elastic connection of the mounting frame 4 in the filter pipe 2, the dust cleaning assembly 6 is used to clean the dust accumulated on the surface of the filter screen 5 after filtering, and the cam mechanism 7 is used to realize the transverse reciprocating shaking of the mounting frame 4 in the filter pipe 2, thereby improving the cleaning efficiency of the dust accumulated on the surface of the filter screen 5, and the cleaned dust can be discharged through the dust outlet on the filter pipe 2.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for a civil defense shelter, characterized in that, The utility model provides a filter wind pipe (2) is fixedly connected to the end of the ventilation assembly (1), and the inner wall of filter wind pipe (2) is fixedly installed frame (21), the end surface of frame (21) is fixedly installed spring (3), and the end of spring (3) is fixedly installed mounting frame (4), and mounting frame (4) is slidingly installed in the inner wall of filter wind pipe (2), the inner wall of mounting frame (4) is fixedly installed filter screen (5), and the surface of mounting frame (4) is provided with dust cleaning assembly (6), is used for cleaning the dust on the surface of filter screen (5), and the top surface of filter wind pipe (2) is provided with cam mechanism (7), and mounting frame (4) is driven reciprocating movement through cam mechanism (7).

2. The civil defense engineering ventilation device according to claim 1, characterized in that, The mounting frame (4) and filter screen (5) are located above the ash discharge port of the filter wind pipe (2), and the end of the ash discharge port of the filter wind pipe (2) is detachably installed with the dust collecting box (8) for collecting the filtered dust.

3. The civil defense engineering ventilation device according to claim 1, characterized in that, The mounting frame (4) and the filter wind pipe (2) ash discharge port support are fixedly installed with the corrugated rubber plate (41), and the corrugated rubber plate (41) is made of elastic rubber material.

4. The civil defense engineering ventilation device according to claim 1, characterized in that, The ventilation assembly (1) comprises a ventilation pipe (101), and the inner wall of the ventilation pipe (101) is fixedly installed with a mounting support (102), and the mounting support (102) is fixedly installed with a fan (103) therein.

5. The civil defense engineering ventilation device according to claim 1, characterized in that, The dust cleaning assembly (6) comprises four groups of protrusions (601) fixedly installed on the surface of the mounting frame (4), wherein the top surface of one group of protrusions (601) is fixedly installed with a first motor (602), the output end of the first motor (602) is fixedly connected with a threaded rod (603), the opposite surfaces of the other two groups of protrusions (601) are fixedly installed with guide rods (604), the surface of the threaded rod (603) is threadedly sleeved with a dust cleaning plate (605), and the dust cleaning plate (605) is slidingly sleeved with the surfaces of the guide rods (604).

6. The air defense engineering ventilation device according to claim 1, characterized in that, The cam mechanism (7) comprises a second motor (701) fixedly installed on the top surface of the filter wind pipe (2), the output end of the second motor (701) is fixedly installed with a rotating shaft (702) penetrating through the top surface of the filter wind pipe (2), the surface of the rotating shaft (702) is fixedly sleeved with a cam body (703), and the cam body (703) is fitted with the surface of the mounting frame (4).

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