Multifunctional ventilation and filtration system for civil air defense engineering

Abstract

The utility model relates to the technical field of civil air defense engineering, in particular to a multifunctional civil air defense engineering ventilation filtering system which comprises a machine body and a taking device, a filtering plate is inserted into the inner wall of the machine body, and the taking device is arranged on the lower surface of the machine body and comprises a connecting plate which is fixedly connected with the filtering plate. A pull rod is fixedly connected to the lower surface of the connecting plate, a sliding groove is formed in the side, close to the connecting plate, of the machine body, a bracket is slidably connected to the inner wall of the sliding groove of the machine body, a stop lever is fixedly connected to one side of the machine body, a fixing spring is fixedly connected to the surface of the stop lever, and the side, away from the stop lever, of the fixing spring is fixedly connected with the bracket. Through the arrangement, the filter plate can be conveniently and rapidly taken and can be conveniently taken down for maintenance and replacement, the service life of the equipment is prolonged, meanwhile, the situation that the hands are stained with dust when the filter plate is taken is reduced, the safety of the equipment is improved, and the equipment is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense engineering, in particular to a multifunctional ventilation and filtering system for civil air defense engineering. Background Art

[0002] Civil air defense projects, also known as civil air defense projects, refer to underground protective buildings built separately to ensure the sheltering of personnel and materials, civil air defense command, and medical rescue in wartime, as well as basements built in combination with ground buildings that can be used for air defense in wartime. A ventilation system will be installed during the construction of civil air defense projects, and in order to prevent dust and debris from entering through the ventilation system, a filter net is installed to filter the air ducts.

[0003] The inventor found in his daily work that during use, the filter net is mostly installed in the pipe by bolts, which makes it difficult to remove and maintain. In order to solve the problem of inconvenient removal of the filter net, the prior art uses tools to assist in processing. However, when there are no tools, it is difficult to remove the filter net, which increases the difficulty of operating the equipment and makes the equipment difficult to use. Utility Model Content

[0004] The utility model aims to solve the shortcoming of the prior art that it is inconvenient to take out the filter screen, and proposes a multifunctional ventilation and filtering system for civil air defense projects.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional ventilation and filtration system for civil air defense projects, comprising a body and a picking device, a filter plate is inserted into the inner wall of the body, and the picking device is arranged on the lower surface of the body, the picking device comprises a connecting plate, the connecting plate is fixedly connected to the filter plate, and a pull rod is fixedly connected to the lower surface of the connecting plate, a slide groove is provided on the side of the body close to the connecting plate, and a bracket is slidably connected to the inner wall of the slide groove of the body, a baffle rod is fixedly connected to one side of the body, a fixing spring is fixedly connected to the surface of the baffle rod, and the fixing spring is fixedly connected to the bracket on the side away from the baffle rod. By setting the picking device, it is convenient to take out the filter plate, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating use.

[0006] Preferably, a card plate is fixedly connected to the surface of the connecting plate, and the bracket is arranged in a "U" shape. By arranging the card plate, when in use, the card plate is convenient for cooperating with the bracket to position the connecting plate, thereby increasing the stability of the equipment and reducing the difficulty of operating the equipment.

[0007] Preferably, there are two brackets, and the two brackets are arranged in a mirror-symmetrical manner. By arranging the brackets, when in use, the brackets are abutted against the connecting plate, which facilitates the positioning of the connecting plate, increases the stability of the equipment, and reduces the difficulty of operating the equipment.

[0008] Preferably, a cleaning device is provided on the side of the body close to the connecting plate, and the cleaning device includes a sliding sleeve, which is fixedly connected to the body, and the inner wall of the sliding sleeve is provided with hole two, and a round rod is slidably connected to the inner wall of hole two on one side of the sliding sleeve, and a slider is fixedly connected to one side of the round rod, and the slider is arranged in a rectangular shape, and a cleaning roller is installed on the side of the round rod away from the slider. By arranging the cleaning device, it is convenient to carry out preliminary cleaning of the surface of the filter plate, thereby reducing the situation where dust is stained on the hands when taking the filter plate.

[0009] Preferably, there are two cleaning rollers, which are arranged in mirror symmetry. By arranging the cleaning rollers, it is convenient to clean the surface of the filter plate, which increases the usability of the equipment, reduces the difficulty of operating the equipment, and facilitates its use.

[0010] Preferably, a pressure spring is fixedly connected to one side of the slider, and a side of the pressure spring away from the slider is fixedly connected to the sliding sleeve. By setting the pressure spring, when in use, the pressure spring generates elastic force to squeeze the slider to drive the cleaning roller for cleaning.

[0011] Preferably, the cleaning roller is located on both sides of the connecting plate, the cleaning roller is cylindrical, and the surface of the cleaning roller is provided with cleaning bristles. By arranging the cleaning roller, when in use, the cleaning roller abuts against the filter plate, thereby facilitating cleaning of the surface of the filter plate.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model provides a picking device and a cleaning device. When in use, the bracket is pulled open to both sides. At this time, the pull rod is grasped and pulled downward. The pull rod drives the connecting plate and the filter plate to slide out of the machine body. Due to the squeezing of the pressure spring, the cleaning roller abuts against the filter plate. When the filter plate is pulled downward, the cleaning roller and the filter plate rub against each other to scrape off the debris on the surface of the filter plate, which is convenient for preliminary treatment of dust on the surface of the filter plate and reduces the situation that the user's hands are covered with dust when picking up the filter plate. The filter plate is inserted into the machine body. At this time, the connecting plate abuts against the machine body, and then the bracket is loosened. The fixing spring loses its restraint and generates elastic force to squeeze the bracket and the connecting plate against each other to complete the positioning. By providing the utility model, it is convenient to quickly pick up the filter plate, and it is convenient to remove the filter plate for maintenance and replacement, which increases the service life of the equipment and reduces the situation that dust is stained on the hands when picking up the filter plate, thereby improving the safety of the equipment and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional structural schematic diagram of a multifunctional ventilation and filtration system for civil air defense projects is proposed for the utility model;

[0015] Figure 2The utility model provides a schematic diagram of the expanded structure of a filter plate of a multifunctional civil air defense engineering ventilation and filtration system;

[0016] Figure 3 A schematic diagram of the combined structure of filter plates of a multifunctional civil air defense engineering ventilation and filtration system is proposed for the utility model;

[0017] Figure 4 The utility model provides a schematic diagram of the structure of a taking device for a multifunctional ventilation and filtration system for civil air defense projects;

[0018] Figure 5 The utility model provides a schematic structural diagram of a cleaning device for a multifunctional ventilation and filtration system of civil air defense projects.

[0019] Legend: 1. Machine body; 2. Filter plate; 3. Pick-up device; 31. Connecting plate; 32. Bracket; 33. Stop rod; 34. Fixing spring; 35. Card plate; 36. Pull rod; 4. Cleaning device; 41. Sliding sleeve; 42. Cleaning roller; 43. Sliding block; 44. Round rod; 45. Pressure spring. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a multifunctional ventilation and filtration system for civil air defense projects, comprising a body 1 and a taking device 3, a filter plate 2 is inserted into the inner wall of the body 1, and the taking device 3 is arranged on the lower surface of the body 1.

[0021] The specific configuration and functions of the taking device 3 and the cleaning device 4 are described in detail below.

[0022] In this embodiment: the picking device 3 includes a connecting plate 31, the connecting plate 31 is fixedly connected to the filter plate 2, and a pull rod 36 is fixedly connected to the lower surface of the connecting plate 31. A slide groove is provided on the side of the body 1 close to the connecting plate 31, and the inner wall of the slide groove of the body 1 is slidably connected to a bracket 32. A blocking rod 33 is fixedly connected to one side of the body 1, and a fixing spring 34 is fixedly connected to the surface of the blocking rod 33, and the side of the fixing spring 34 away from the blocking rod 33 is fixedly connected to the bracket 32. By setting the picking device 3, it is easy to take out the filter plate 2, which increases the stability of the equipment, reduces the difficulty of operating the equipment, and is convenient to use.

[0023] Specifically, a clamping plate 35 is fixedly connected to the surface of the connecting plate 31, and the bracket 32 ​​is set in a "U" shape. By setting the clamping plate 35, when in use, the clamping plate 35 is convenient to cooperate with the bracket 32 ​​to position the connecting plate 31, thereby increasing the stability of the equipment and reducing the difficulty of operating the equipment.

[0024] Specifically, there are two brackets 32, and the two brackets 32 are arranged in a mirror-symmetrical manner.

[0025] In this embodiment, by providing the bracket 32, when in use, the bracket 32 ​​abuts against the connecting plate 31, which facilitates the positioning of the connecting plate 31, increases the stability of the device, and reduces the difficulty of operating the device.

[0026] Specifically, a cleaning device 4 is provided on one side of the body 1 close to the connecting plate 31, and the cleaning device 4 includes a sleeve 41, which is fixedly connected to the body 1, and a hole 2 is opened on the inner wall of the sleeve 41, and a round rod 44 is slidably connected to the inner wall of the hole 2 on one side of the sleeve 41, and a slider 43 is fixedly connected to one side of the round rod 44, and the slider 43 is arranged in a rectangular shape, and a cleaning roller 42 is installed on the side of the round rod 44 away from the slider 43. By arranging the cleaning device 4, it is convenient to perform preliminary cleaning on the surface of the filter plate 2, thereby reducing the situation where dust is stained on the hands when taking the filter plate 2.

[0027] Specifically, there are two cleaning rollers 42 , and the two cleaning rollers 42 are arranged in a mirror-symmetrical manner.

[0028] In this embodiment, by providing a cleaning roller 42, it is convenient to clean the surface of the filter plate 2, thereby increasing the usability of the device, reducing the difficulty of operating the device, and facilitating use.

[0029] Specifically, a pressure spring 45 is fixedly connected to one side of the slider 43, and the side of the pressure spring 45 away from the slider 43 is fixedly connected to the sliding sleeve 41. By setting the pressure spring 45, when in use, the pressure spring 45 generates elastic force to squeeze the slider 43 to drive the cleaning roller 42 for cleaning.

[0030] Specifically, the cleaning rollers 42 are located on both sides of the connecting plate 31 . The cleaning rollers 42 are cylindrical in shape, and cleaning bristles are disposed on the surfaces of the cleaning rollers 42 .

[0031] In this embodiment, by providing a cleaning roller 42 , when in use, the cleaning roller 42 abuts against the filter plate 2 , so that the surface of the filter plate 2 can be cleaned easily.

[0032] Working principle: by providing the taking device 3 and the cleaning device 4, when in use, the bracket 32 ​​is pulled open to both sides, at this time, the pull rod 36 is grasped, and the pull rod 36 is pulled downward, and the pull rod 36 drives the connecting plate 31 and the filter plate 2 to slide out of the machine body 1, and due to the squeezing of the pressure spring 45, the cleaning roller 42 and the filter plate 2 are pressed against each other, and when the filter plate 2 is pulled downward, the cleaning roller 42 and the filter plate 2 rub against each other to scrape off the debris on the surface of the filter plate 2, so as to facilitate the preliminary treatment of the dust on the surface of the filter plate 2, and reduce the situation that the user's hands are covered with dust when taking the filter plate 2, insert the filter plate 2 into the machine body 1, at this time the connecting plate 31 and the machine body 1 are pressed against each other, and then the bracket 32 ​​is released, the fixing spring 34 loses its restraint and generates elastic force to squeeze the bracket 32 ​​and the connecting plate 31 against each other to complete the positioning, and by providing the utility model, it is convenient to quickly take out the filter plate 2, and it is convenient to remove the filter plate 2 for maintenance and replacement, thereby increasing the service life of the equipment, and at the same time reducing the situation that dust is stained on the hands when taking the filter plate 2, thereby improving the safety of the equipment and facilitating the use.

Claims

1. A multifunctional ventilation and filtration system for civil air defense projects, comprising a body (1) and a taking device (3), characterized in that: A filter plate (2) is inserted into the inner wall of the body (1), and the picking device (3) is arranged on the lower surface of the body (1). The picking device (3) includes a connecting plate (31), and the connecting plate (31) is fixedly connected to the filter plate (2). The lower surface of the connecting plate (31) is fixedly connected to a pull rod (36). A sliding groove is provided on the side of the body (1) close to the connecting plate (31), and the inner wall of the sliding groove of the body (1) is slidably connected to a bracket (32). A blocking rod (33) is fixedly connected to one side of the body (1), and a fixing spring (34) is fixedly connected to the surface of the blocking rod (33), and the fixing spring (34) is fixedly connected to the bracket (32) on the side away from the blocking rod (33).

2. A multifunctional ventilation and filtration system for civil air defense projects according to claim 1, characterized in that: A clamping plate (35) is fixedly connected to the surface of the connecting plate (31), and the bracket (32) is arranged in a "U" shape.

3. The multifunctional ventilation and filtration system for civil air defense projects according to claim 1 is characterized in that: There are two brackets (32), and the two brackets (32) are arranged in a mirror-symmetrical manner.

4. The multifunctional ventilation and filtration system for civil air defense projects according to claim 1 is characterized by: A cleaning device (4) is provided on a side of the machine body (1) close to the connecting plate (31), and the cleaning device (4) comprises a sliding sleeve (41), the sliding sleeve (41) is fixedly connected to the machine body (1), a second hole is provided on the inner wall of the sliding sleeve (41), a round rod (44) is slidably connected to the inner wall of the second hole on one side of the sliding sleeve (41), a sliding block (43) is fixedly connected to one side of the round rod (44), the sliding block (43) is arranged in a rectangular shape, and a cleaning roller (42) is installed on the side of the round rod (44) away from the sliding block (43).

5. The multifunctional ventilation and filtration system for civil air defense projects according to claim 4 is characterized in that: There are two cleaning rollers (42), and the two cleaning rollers (42) are arranged in a mirror-symmetrical manner.

6. The multifunctional ventilation and filtration system for civil air defense projects according to claim 4 is characterized by: A pressure spring (45) is fixedly connected to one side of the slider (43), and a side of the pressure spring (45) away from the slider (43) is fixedly connected to the sliding sleeve (41).

7. The multifunctional ventilation and filtration system for civil air defense projects according to claim 4 is characterized by: The cleaning roller (42) is located on both sides of the connecting plate (31); the cleaning roller (42) is arranged in a cylindrical shape; and the surface of the cleaning roller (42) is provided with cleaning soft bristles.

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