Civil air defense engineering ventilation equipment convenient to install

Abstract

The utility model relates to civil air defense engineering ventilation equipment convenient to install, and belongs to the technical field of civil air defense engineering ventilation. The civil air defense engineering ventilation equipment comprises a ventilation pipeline, positioning blocks are fixedly connected to the inner top wall and the inner bottom wall of the ventilation pipeline, and an installation plate is placed between the right side faces of the two positioning blocks; two connecting rods are fixedly connected to the right side surface of the mounting plate, a filter plate is fixedly connected between the right side surfaces of the two connecting rods, two filter screens are fixedly embedded in the right side surface of the filter plate, and a limiting hole is formed in the left side surface of the filter plate. According to the civil air defense engineering ventilation equipment convenient to install, through cooperation of positioning rods, positioning holes, clamping blocks and clamping grooves, a filter plate and fan blades are conveniently limited, workers can conveniently disassemble and assemble the fan blades, through clearance fit between fixing rods and fixing holes, the filter plate is fixed, the stability of the filter plate is improved, and the practicability is high. The device is more convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of civil air defence engineering ventilation, specifically to a civil air defence engineering ventilation equipment convenient to install. BACKGROUND

[0002] People's air defense works are also called civil air defense works, which are underground protective buildings built separately to protect personnel and materials, air defense command and medical treatment in wartime, as well as basements that can be used for air defense in wartime in combination with ground buildings. Because the basement is not ventilated for a long time, the oxygen content in the room will decrease. In order to ensure safety, people need to ventilate the civil air defense works.

[0003] A civil air defense engineering ventilation equipment is disclosed in Chinese patent CN215804667U. This patent discloses a technical solution to improve the purification effect and anti-rust performance, solving the problem of poor air purification effect of existing ventilation devices and easy rusting.

[0004] When the device is in use, the activated carbon adsorption layer can effectively purify the air quality. However, the fan blades are fixedly connected to the shaft and located inside the ventilation duct. When the fan blades are damaged, it is not convenient to disassemble and replace them, reducing the use effect. Therefore, a civil air defense engineering ventilation equipment convenient to install is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a civil air defense engineering ventilation equipment convenient to install, which has the advantages of convenient disassembly and assembly, and solves the problem that the device in use can effectively purify the air quality through the activated carbon adsorption layer, but the fan blades are fixedly connected to the shaft and located inside the ventilation duct, making it inconvenient to disassemble and replace them when they are damaged, reducing the use effect.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a civil air defense engineering ventilation equipment convenient to install, comprising a ventilation duct, the inner top wall and the inner bottom wall of the ventilation duct are fixedly connected with positioning blocks, and an installation plate is placed between the right side surfaces of the two positioning blocks.

[0007] The right side surface of the installation plate is fixedly connected with two connecting rods, the right side surfaces of the two connecting rods are fixedly connected with a filter plate, the right side surface of the filter plate is fixedly embedded with two filter screens, the left side surface of the filter plate is provided with a limiting hole, the left side surface of the installation plate is fixedly installed with a driving motor, the output end of the driving motor is fixedly connected with a driving rod penetrating through the installation plate and extending into the limiting hole, the outer circumferential wall of the driving rod is fixedly installed with a fan blade, and the left side surface of the installation plate is provided with a plurality of ventilation holes.

[0008] The ventilation duct is equipped with a limiting component to restrict the filter plate.

[0009] The ventilation duct is equipped with a fixing component for fixing the filter plate.

[0010] Furthermore, the drive rod is rotatably connected to the mounting plate via a bearing, the drive rod and the limiting hole are in clearance fit, the two filter screens are symmetrically distributed vertically around the center of the limiting hole, and the filter plate is located inside the ventilation duct.

[0011] Furthermore, the limiting component includes two locking blocks, which are fixedly connected to the top and bottom surfaces of the filter plate, respectively. The right side of the ventilation duct has two slots, and the two locking blocks extend into the two slots. The right side of each of the two positioning blocks is fixedly connected to a positioning rod. The left side of the mounting plate has two positioning holes, and the two positioning rods extend into the two positioning holes. The right side of the ventilation duct has two mounting slots.

[0012] Furthermore, the card block and the card slot are slidably connected, and the positioning rod and the positioning hole are clearance-fitted.

[0013] Furthermore, the fixing assembly includes two rotating rods, each of which is rotatably connected to the interior of two mounting slots via bearings. A screw extending into the interior of each rotating rod is movably connected to one of its opposite sides. A movable plate is fixedly connected to one of the opposite sides of each screw. A fixing rod is fixedly connected to one of the opposite sides of each movable plate. Fixing holes are provided on the side of each of the two locking blocks away from the filter plate. The fixing rods extend into the interior of the two fixing holes. Two sliding grooves are provided inside the ventilation duct. A sliding plate extending into the sliding groove is fixedly connected to the side of each of the two movable plates away from the fixing rods.

[0014] Furthermore, the sliding plate and the sliding groove are slidably connected, the fixing rod and the fixing hole are clearance-fitted, and threaded holes are opened on the opposite sides of the two rotating rods. The screw extends into the interior of the threaded hole and is threadedly connected to it. The two slots are located between the two mounting slots.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] This easy-to-install ventilation equipment for civil defense projects uses the cooperation between positioning rods, positioning holes, clips, and slots to conveniently restrict the filter plates and fan blades, making it easy for workers to disassemble and assemble the fan blades. The filter plates are fixed by the gap cooperation between the fixing rods and fixing holes, improving the stability of the filter plates and making it more convenient and practical. Attached Figure Description

[0017] Figure 1 It is a structure schematic view of the utility model;

[0018] Figure 2 It is Figure 1 It is a structure enlarged schematic view of A in the middle;

[0019] Figure 3 It is a top view schematic view of the top moving plate in the structure of the utility model.

[0020] In the drawing: 1 ventilation duct, 2 positioning block, 3 positioning rod, 4 limiting hole, 5 mounting plate, 6 filter screen, 7 limiting hole, 8 drive rod, 9 filter plate, 10 fan blade, 11 connecting rod, 12 ventilation hole, 13 drive motor, 14 sliding plate, 15 sliding groove, 16 screw rod, 17 rotating rod, 18 mounting groove, 19 moving plate, 20 fixing hole, 21 fixing rod, 22 clamping block, 23 clamping groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1 to 3 The utility model discloses a kind of ventilation equipment of civil air defense engineering of convenient installation in the embodiment, including ventilation duct 1, the inner top wall and inner bottom wall of ventilation duct 1 are all fixedly connected with positioning block 2, installation plate 5 is placed between the right side surface of two positioning blocks 2.

[0023] The right side surface of installation plate 5 is fixedly connected with two connecting rods 11, the right side surface of two connecting rods 11 is fixedly connected with filter plate 9, the right side surface of filter plate 9 is fixedly embedded with two filter screens 6, the left side surface of filter plate 9 is provided with limiting hole 7, the left side surface of installation plate 5 is fixedly installed with drive motor 13, the output end of drive motor 13 is fixedly connected with drive rod 8, one end of drive rod 8 penetrates installation plate 5 and extends to the inside of limiting hole 7, drive rod 8 is fixedly installed with fan blade 10 on the outer circumferential wall, and the left side surface of installation plate 5 is provided with multiple ventilation holes 12.

[0024] Among them, drive rod 8 is rotatably connected with installation plate 5 through bearing, drive rod 8 and limiting hole 7 are gap matched, two filter screens 6 are symmetrically distributed above and below with limiting hole 7 center, and filter plate 9 is located inside ventilation duct 1.

[0025] Specifically, the ventilation duct 1 is fixed by bolts and the civil air defense engineering wall body, the mounting plate 5 enters the inside of the ventilation duct 1, the mounting plate 5 drives the filter plate 9 to enter the inside of the ventilation duct 1 through the connecting rod 11, the mounting plate 5 and the positioning block 2 are attached, the driving motor 13 is started, the output end of the driving motor 13 drives the driving rod 8 to rotate, and then drives the fan blade 10 to rotate, and then performs ventilation treatment, the driving rod 8 is supported through the gap cooperation between the limiting hole 7 and the driving rod 8, and the stability of the driving rod 8 is improved, and the air is filtered under the action of the filter screen 6.

[0026] In the embodiment, the ventilation duct 1 is provided with a limiting assembly, the limiting assembly comprises two clamping blocks 22, the two clamping blocks 22 are fixedly connected to the top surface and the bottom surface of the filter plate 9 respectively, the right side surface of the ventilation duct 1 is provided with two clamping grooves 23, the two clamping blocks 22 extend into the two clamping grooves 23 respectively, the right side surface of each of the two positioning blocks 2 is fixedly connected with a positioning rod 3, the left side surface of the mounting plate 5 is provided with two positioning holes 4, the two positioning rods 3 extend into the two positioning holes 4 respectively, and the right side surface of the ventilation duct 1 is provided with two mounting grooves 18.

[0027] The clamping block 22 and the clamping groove 23 are slidingly connected, and the positioning rod 3 and the positioning hole 4 are gap-connected.

[0028] Specifically, the mounting plate 5 and the positioning block 2 are attached, the positioning rod 3 is inserted into the inside of the positioning hole 4, the mounting plate 5 is limited through the gap cooperation between the positioning rod 3 and the positioning hole 4, the clamping block 22 is inserted into the inside of the clamping groove 23, and the filter plate 9 is limited through the sliding connection between the clamping block 22 and the clamping groove 23.

[0029] In the embodiment, the ventilation duct 1 is provided with a fixing assembly, the fixing assembly comprises two rotating rods 17, the two rotating rods 17 are rotatably connected in the two mounting grooves 18 through bearings respectively, the side surface opposite to each other of the two rotating rods 17 is movably connected with a screw rod 16 extending into the inside thereof, the side surface opposite to each other of the two screw rods 16 is fixedly connected with a moving plate 19, the side surface opposite to each other of the two moving plates 19 is fixedly connected with a fixing rod 21, the side surface away from the filter plate 9 of the two clamping blocks 22 is provided with a fixing hole 20, the two fixing rods 21 extend into the two fixing holes 20 respectively, the inside of the ventilation duct 1 is provided with two sliding grooves 15, and the side surface away from the fixing rod 21 of the two moving plates 19 is fixedly connected with a sliding plate 14 extending into the inside of the sliding groove 15.

[0030] The sliding plate 14 and the sliding groove 15 are in sliding connection, the fixed rod 21 and the fixed hole 20 are in clearance fit, the opposite side faces of the two rotating rods 17 are each provided with a threaded hole, the screw rod 16 extends into the threaded hole and is in threaded connection with the threaded hole, and the two clamping grooves 23 are located between the two mounting grooves 18.

[0031] Specifically, the fixed rod 21 and the fixed hole 20 are located on the same center line, the rotating rod 17 is rotated, the screw rod 16 is driven to move the moving plate 19 by the threaded connection between the rotating rod 17 and the screw rod 16 and the sliding connection between the sliding plate 14 and the sliding groove 15, and the fixed rod 21 is inserted into the inside of the fixed hole 20 and fixed to the fixed hole 20 in clearance fit, so that the filter plate 9 is fixed.

[0032] The working principle of the above embodiment is as follows:

[0033] The ventilation pipeline 1 is fixed to the civil air defense engineering wall body by bolts, the mounting plate 5 is pushed into the inside of the ventilation pipeline 1, the filter plate 9 is driven into the inside of the ventilation pipeline 1 by the mounting plate 5 through the connecting rod 11, the mounting plate 5 is abutted with the positioning block 2, the positioning rod 3 is inserted into the inside of the positioning hole 4 in clearance fit, the mounting plate 5 is limited, the clamping block 22 is inserted into the inside of the clamping groove 23 in sliding connection, the filter plate 9 is limited, the fixed rod 21 and the fixed hole 20 are located on the same center line, the rotating rod 17 is rotated, the screw rod 16 is driven to move the moving plate 19 by the threaded connection between the rotating rod 17 and the screw rod 16 and the sliding connection between the sliding plate 14 and the sliding groove 15, the fixed rod 21 is inserted into the inside of the fixed hole 20, the fixed rod 21 and the fixed hole 20 are in clearance fit, the filter plate 9 is fixed, the driving motor 13 is started, the output end of the driving motor 13 drives the driving rod 8 to rotate, and then drives the fan blade 10 to rotate, and then performs ventilation treatment, the driving rod 8 is supported in clearance fit between the limiting hole 7 and the driving rod 8, the stability of the driving rod 8 is improved, and the air is filtered under the action of the filter screen 6.

[0034] The control mode of the utility model is controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model are not explained in detail.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0036] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A civil air defense engineering ventilation equipment convenient to install, comprising a ventilation duct (1), characterized in that: The inner top wall and the inner bottom wall of the ventilation duct (1) are fixedly connected with positioning blocks (2), and the right side surfaces of the two positioning blocks (2) are provided with a mounting plate (5); The right side surface of the mounting plate (5) is fixedly connected with two connecting rods (11), the right side surfaces of the two connecting rods (11) are fixedly connected with a filter plate (9), the right side surface of the filter plate (9) is fixedly embedded with two filter screens (6), the left side surface of the filter plate (9) is provided with a limiting hole (7), the left side surface of the mounting plate (5) is fixedly provided with a driving motor (13), the output end of the driving motor (13) is fixedly connected with a driving rod (8) which penetrates through the mounting plate (5) and extends into the limiting hole (7), the outer circumferential wall of the driving rod (8) is fixedly provided with a fan blade (10), and the left side surface of the mounting plate (5) is provided with a plurality of ventilation holes (12). The ventilation duct (1) is provided with a limiting assembly and a fixing assembly.

2. The civil defense engineering ventilation equipment convenient to install according to claim 1, characterized in that: The driving rod (8) is rotatably connected with the mounting plate (5) through a bearing, the driving rod (8) is in clearance fit with the limiting hole (7), the two filter screens (6) are symmetrically distributed above and below the center of the limiting hole (7), and the filter plate (9) is located in the ventilation duct (1).

3. The civil defense engineering ventilation equipment of easy installation according to claim 1, characterized in that: The limiting assembly comprises two clamping blocks (22), the two clamping blocks (22) are fixedly connected to the top surface and the bottom surface of the filter plate (9) respectively, the right side surface of the ventilation duct (1) is provided with two clamping grooves (23), the two clamping blocks (22) extend into the two clamping grooves (23) respectively, the right side surfaces of the two positioning blocks (2) are fixedly connected with positioning rods (3), the left side surface of the mounting plate (5) is provided with two positioning holes (4), the two positioning rods (3) extend into the two positioning holes (4) respectively, and the right side surface of the ventilation duct (1) is provided with two mounting grooves (18).

4. The civil defense engineering ventilation equipment convenient to install according to claim 3, characterized in that: The clamping block (22) and the clamping groove (23) are in sliding connection, and the positioning rod (3) and the positioning hole (4) are in clearance fit.

5. The civil defense engineering ventilation equipment of easy installation according to claim 3, characterized in that: The fixing assembly comprises two rotating rods (17), the two rotating rods (17) are rotatably connected in the two mounting grooves (18) through bearings respectively, the opposite side surfaces of the two rotating rods (17) are movably connected with screw rods (16) which extend into the rotating rods (17) respectively, the opposite side surfaces of the two screw rods (16) are fixedly connected with moving plates (19), the opposite side surfaces of the two moving plates (19) are fixedly connected with fixed rods (21), the side surfaces, away from the filter plate (9), of the two clamping blocks (22) are provided with fixed holes (20), the two fixed rods (21) extend into the two fixed holes (20) respectively, the inside of the ventilation duct (1) is provided with two sliding grooves (15), and the side surfaces, away from the fixed rods (21), of the two moving plates (19) are fixedly connected with sliding plates (14) which extend into the sliding grooves (15).

6. The civil defense engineering ventilation equipment convenient to install according to claim 5, characterized in that: The sliding plate (14) and the sliding groove (15) are in sliding connection, the fixed rod (21) and the fixed hole (20) are in clearance fit, the opposite sides of the two rotating rods (17) are both provided with threaded holes, the screw rod (16) extends to the inside of the threaded hole and is in threaded connection therewith, and the two clamping grooves (23) are located between the two mounting grooves (18).

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