Efficient ventilation equipment for civil air defense engineering

Abstract

The utility model relates to the technical field of ventilation equipment, in particular to efficient ventilation equipment for civil air defense engineering, which comprises a shell and a support frame, the inner wall of the shell is fixedly connected with the support frame, the inner wall of the support frame is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a fan. A user rotates a screw rod, the screw rod drives a threaded block to move upwards along a supporting block, abutting between the supporting block and spherical blocks is relieved, then a supporting seat is moved upwards, the contact face of the supporting seat and the spherical blocks is in an arc shape, and in the upward moving process of the supporting seat, the supporting seat drives the spherical blocks on the two sides to move inwards; by means of the dismounting mode, the filter screen can be dismounted and cleaned without dismounting the pipelines on the two sides, the maintenance time is shortened, and the working efficiency of dismounting and cleaning the filter screen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to a high-efficiency ventilation equipment for civil air defense projects. Background Art

[0002] In people's lives, the requirements for air quality are constantly increasing, and ventilation equipment is needed in homes, catering units, public places and other occasions. Fans are widely used. In order to adapt to more places and higher requirements, they need to have the characteristics of energy saving, high efficiency, low noise and smoothness, low vibration and maintenance-free.

[0003] For example, a ventilation device with the authorization announcement number CN104697100A, the above document sets a connection hole in the fixed column so that the wire has a specified channel to avoid the risk of corrosion when working in a harsh environment, and sets a filter at the front end of the fan housing to filter the air. The filter is detachable, which is convenient for regular replacement of the filter. Replacing different types of filters to cope with different environments is conducive to renewing the air, ventilating, cooling and dust removal, heat dissipation and ventilation of precision equipment, and improving the continuous use time of the equipment. However, during the connection and use of the housing of the ventilation device in the above document with the ventilation and air exchange pipeline of the civil air defense building, the ventilation and air exchange device in the above document is prone to blockage of the internal filter due to long-term use, and the staff needs to regularly disassemble and clean the filter. Since the filter is set inside the ventilation and air exchange device, the ventilation and air exchange pipelines of the civil air defense project on both sides of the ventilation and air exchange device need to be disassembled, which makes the disassembly and cleaning of the filter more cumbersome and time-consuming, thereby affecting the work efficiency of the ventilation and air exchange device;

[0004] At the same time, during the use of the ventilation equipment in the above-mentioned documents, the ventilation equipment is connected to the ventilation pipeline of the civil air defense project through bolts and nuts. However, this method uses a large number of bolts and requires a large number of turns during the tightening process between each bolt and nut, which makes the connection operation between the ventilation equipment and the ventilation pipeline of the civil air defense project more cumbersome, and therefore it is not convenient to connect the ventilation equipment to the ventilation pipeline of the civil air defense project. Utility Model Content

[0005] The purpose of the utility model is to solve the problems in the above-mentioned document that the disassembly and cleaning operations of the filter screen are cumbersome, which affects the working efficiency of the ventilation equipment, and the problem that it is inconvenient to connect the ventilation equipment with the ventilation pipelines of the civil air defense building, and to propose a high-efficiency ventilation equipment for civil air defense projects.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-efficiency ventilation and air exchange equipment for civil air defense projects is designed, including an outer shell and a support frame, the inner wall of the outer shell is fixedly connected to the support frame, the inner wall of the support frame is fixedly connected to the motor, the output shaft of the motor is fixedly connected to the fan, the two sides of the outer shell are fixedly connected to a connecting seat, the inner wall of the connecting seat is fitted with a ventilation and air exchange pipe for civil air defense projects, the outer wall of the connecting seat is provided with a plurality of connecting structures, the two sides of the top of the outer shell are fitted with a plurality of support seats, the two sides of the support seat are fitted with a plurality of support blocks, and the bottom end of the support seat is fixedly connected to the outer shell.

[0008] Preferably, the connecting structure includes an L-shaped rod, the inner ends of the multiple L-shaped rods are fixedly connected to the connecting seat, the outer side of the L-shaped rod is fixedly connected to one end of the spring, the other end of the spring is fixedly connected to the clamping block, the sliding groove of the clamping block is slidably connected to the round block, the end of the round block is fixedly connected to the rotating block, the outer ends of the rotating blocks on both sides are fixedly connected to the connecting rod, and the middle part of the rotating block is rotatably connected to the support rod.

[0009] Preferably, the bottom end of the support rod is fixedly connected to the connecting seat.

[0010] Preferably, the middle parts of the outer walls of the plurality of the clamping blocks are slidably connected to the connecting seat, and the inner sides of the outer walls of the clamping blocks are in contact with the ventilation ducts used in civil air defense projects.

[0011] Preferably, both sides of the support block are rotatably connected to the screw rod, the outer wall of the screw rod is threadably connected to the threaded block, the outer wall of the threaded block is fitted to the support block, and the bottom of the threaded block is tightly abutted against a plurality of spherical blocks.

[0012] Preferably, the middle portion of the outer wall of the spherical block is slidably connected to the support block, the outer side of the outer wall of the spherical block is tightly abutted against the support seat, and the inner wall of the support seat is fixedly connected to the filter screen.

[0013] The utility model provides a high-efficiency ventilation and air exchange equipment for civil air defense projects, and has the beneficial effects that: when the user rotates the screw rod, the screw rod drives the threaded block to move upward along the support block, so that the support block and the spherical block are released from being tightly pressed, and then the support seat is moved upward, and the contact surface between the support seat and the spherical block is an arc, so that during the upward movement of the support seat, the support seat drives the spherical blocks on both sides to move inward, so that the support seat can be disassembled to clean the filter screen, and the filter screen can be disassembled and cleaned by using this disassembly method without disassembling the pipes on both sides, thereby shortening the maintenance time, improving the working efficiency of the ventilation and air exchange equipment, and being more efficient;

[0014] The user pulls the connecting rods on both sides at the same time, and the connecting rods drive the rotating block to rotate along the supporting rods, and the rotating block drives the circular block to move in a circle. During the movement of the circular block, it moves along the slide groove of the card block and drives the card block to move outward at the same time. The card block drives the spring to compress, and then the ventilation and air exchange pipe of the civil air defense project is connected with the outer shell, and the card block corresponds to the card groove of the ventilation and air exchange pipe of the civil air defense project. Then the connecting rod is released, and the elastic force of the spring drives the card block to move inward to connect the ventilation and air exchange pipe of the civil air defense project with the outer shell of the ventilation and air exchange equipment. This method replaces the original connection method, making it more convenient to connect the ventilation and air exchange equipment with the ventilation and air exchange pipes of the civil air defense project building. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 for Figure 2 The structural diagram of A in the figure;

[0018] Figure 4 for Figure 2 Schematic diagram of the left view structure;

[0019] Figure 5 for Figure 2 A schematic cross-sectional structure diagram of;

[0020] Figure 6 for Figure 5 Schematic diagram of the structure of B;

[0021] Figure 7 for Figure 2 Schematic diagram of the structure of the middle support seat and filter screen.

[0022] In the figure: 1. shell, 2. support frame, 3. connection structure, 301. L-shaped rod, 302. spring, 303. block, 304. round block, 305. rotating block, 306. connecting rod, 307. support rod, 4. motor, 5. fan, 6. support seat, 7. connecting seat, 8. filter, 9. screw, 10. support block, 11. threaded block, 12. spherical block, 13. ventilation duct of civil air defense project. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] Embodiment 1:

[0025] See attached Figure 1-7: In this embodiment, a high-efficiency ventilation and air exchange equipment for civil air defense projects includes an outer shell 1 and a support frame 2. The inner wall of the outer shell 1 is fixedly connected to the support frame 2, the inner wall of the support frame 2 is fixedly connected to the motor 4, the output shaft of the motor 4 is fixedly connected to the fan 5, the two sides of the outer shell 1 are fixedly connected to the connecting seat 7, the inner wall of the connecting seat 7 is fitted with the ventilation and air exchange pipe 13 for civil air defense projects, the outer wall of the connecting seat 7 is provided with a plurality of connecting structures 3, the two sides of the top of the outer shell 1 are fitted with a plurality of support seats 6, the two sides of the support seat 6 are fitted with a plurality of support blocks 10, and the bottom end of the support seat 6 is fixedly connected to the outer shell 1.

[0026] The connecting structure 3 includes an L-shaped rod 301, the inner ends of multiple L-shaped rods 301 are fixedly connected to the connecting seat 7, the outer side of the L-shaped rod 301 is fixedly connected to one end of the spring 302, the other end of the spring 302 is fixedly connected to the block 303, the slide groove of the block 303 is slidably connected to the round block 304, the user pulls the connecting rods 306 on both sides at the same time, the connecting rods 306 drive the rotating block 305 to rotate along the support rod 307, the rotating block 305 drives the round block 304 to move in a circle, the round block 304 moves along the slide groove of the block 303 during the movement, and drives the block 303 to move outward at the same time, the block 303 drives the spring 302 to compress, and then the ventilation duct 13 of the civil air defense project is connected to the shell 1, and the block 303 is connected to the ventilation duct 13 of the civil air defense project. 13 corresponds to the card slot, and then the connecting rod 306 is loosened. The elastic force of the spring 302 drives the card block 303 to move inward so that the ventilation and air exchange pipe 13 of the civil air defense project is connected to the housing 1 of the ventilation and air exchange equipment. A rubber sleeve is provided on the outside of the ventilation and air exchange pipe 13 of the civil air defense project, which improves the sealing of the ventilation and air exchange pipe 13 of the civil air defense project and the ventilation and air exchange equipment. The end of the round block 304 is fixedly connected to the rotating block 305, and the outer ends of the rotating blocks 305 on both sides are fixedly connected to the connecting rod 306. The middle part of the rotating block 305 is rotatably connected to the support rod 307, and the bottom end of the support rod 307 is fixedly connected to the connecting seat 7. The middle part of the outer wall of multiple card blocks 303 is slidably connected to the connecting seat 7, and the inner side of the outer wall of the card block 303 is in contact with the ventilation and air exchange pipe 13 for civil air defense projects.

[0027] The two sides of the support block 10 are rotatably connected with the screw rod 9, the outer wall of the screw rod 9 is threadably connected with the threaded block 11, the outer wall of the threaded block 11 is fitted with the support block 10, and a handle is processed on the top of the screw rod 9 to facilitate the user to rotate the screw rod 9, and the screw rod 9 drives the threaded block 11 to move upward along the support block 10, so that the support block 10 and the spherical block 12 are released from being tightly pressed, and then the support seat 6 is moved upward, and the contact surface between the support seat 6 and the spherical block 12 is an arc, so that during the upward movement of the support seat 6, the support seat 6 drives the spherical blocks 12 on both sides to move inward, so that the support seat 6 is disassembled to clean the filter screen 8;

[0028] After cleaning is completed, the support seat 6 is connected to the support blocks 10 on both sides, and then the screw 9 is rotated in the opposite direction to make the threaded block 11 move downward and drive the spherical block 12 to press against the support seat 6, so as to fix the filter screen 8. The bottom of the threaded block 11 is pressed against multiple spherical blocks 12, and the middle part of the outer wall of the spherical block 12 is slidingly connected to the support block 10. The outer side of the outer wall of the spherical block 12 is pressed against the support seat 6, and the inner wall of the support seat 6 is fixedly connected to the filter screen 8. A rubber pad is arranged between the contact surfaces between the support seat 6 and the outer shell 1 to seal the support seat and the outer shell 1.

[0029] Working principle:

[0030] When the ventilation and air exchange equipment is connected to the ventilation and air exchange pipe of the civil air defense engineering building, the user pulls the connecting rod 306 on both sides at the same time, and the connecting rod 306 drives the rotating block 305 to rotate along the support rod 307, and the rotating block 305 drives the round block 304 to move in a circle. During the movement of the round block 304, it moves along the slide groove of the card block 303 and drives the card block 303 to move outward, and the card block 303 drives the spring 302 to compress, and then the civil air defense engineering ventilation and air exchange pipe 13 is connected to the shell 1, and the card block 303 corresponds to the card groove of the civil air defense engineering ventilation and air exchange pipe 13, and then the connecting rod 306 is released, and the elastic force of the spring 302 drives the card block 303 to move inward, so that the civil air defense engineering ventilation and air exchange pipe 13 is connected to the shell 1 of the ventilation and air exchange equipment. By replacing the original connection method in this way, it is more convenient to connect the ventilation and air exchange equipment to the ventilation and air exchange pipe of the civil air defense engineering building;

[0031] When it is necessary to disassemble and clean the filter screen 8 inside the ventilation equipment, the user rotates the screw rod 9, and the screw rod 9 drives the threaded block 11 to move upward along the support block 10, so that the support block 10 and the spherical block 12 are released from being tightly pressed, and then the support seat 6 is moved upward. The contact surface between the support seat 6 and the spherical block 12 is an arc, so that during the upward movement of the support seat 6, the support seat 6 drives the spherical blocks 12 on both sides to move inward, thereby disassembling the support seat 6 to clean the filter screen 8. By using this disassembly method, the filter screen 8 can be disassembled and cleaned without disassembling the pipes on both sides, which shortens the maintenance time and improves the work efficiency of disassembling and cleaning the filter screen. After cleaning, the support seat 6 is connected to the support blocks 10 on both sides, and then the screw rod 9 is rotated in the opposite direction, so that the threaded block 11 moves downward and drives the spherical block 12 to press against the support seat 6, thereby fixing the filter screen 8.

[0032] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A high-efficiency ventilation device for civil air defense engineering, comprising a housing (1) and a support frame (2), wherein the inner wall of the housing (1) is fixedly connected to the support frame (2), and characterized in that: The inner wall of the support frame (2) is fixedly connected to the motor (4), the output shaft of the motor (4) is fixedly connected to the fan (5), the two sides of the shell (1) are fixedly connected to the connecting seat (7), the inner wall of the connecting seat (7) is in contact with the ventilation pipe (13) for civil air defense engineering, the outer wall of the connecting seat (7) is provided with a plurality of connecting structures (3), the two sides of the top of the shell (1) are in contact with a plurality of supporting seats (6), the two sides of the supporting seat (6) are in contact with a plurality of supporting blocks (10), the bottom end of the supporting seat (6) is fixedly connected to the shell (1), and the connecting structure (3) The invention comprises an L-shaped rod (301), wherein the inner ends of the plurality of L-shaped rods (301) are fixedly connected to a connecting seat (7), the outer sides of the L-shaped rods (301) are fixedly connected to one end of a spring (302), the other end of the spring (302) is fixedly connected to a clamping block (303), the sliding groove of the clamping block (303) is slidably connected to a round block (304), the end of the round block (304) is fixedly connected to a rotating block (305), the outer ends of the rotating blocks (305) on both sides are fixedly connected to a connecting rod (306), and the middle parts of the rotating blocks (305) are rotatably connected to a support rod (307).

2. The high-efficiency ventilation equipment for civil air defense projects according to claim 1 is characterized in that: The bottom end of the support rod (307) is fixedly connected to the connecting seat (7).

3. The high-efficiency ventilation equipment for civil air defense projects according to claim 2 is characterized in that: The middle parts of the outer walls of the plurality of clamping blocks (303) are slidably connected to the connecting seat (7), and the inner sides of the outer walls of the clamping blocks (303) are in contact with the ventilation pipe (13) for civil air defense projects.

4. The high-efficiency ventilation equipment for civil air defense projects according to claim 3 is characterized in that: The two sides of the support block (10) are rotatably connected to the screw rod (9), the outer wall of the screw rod (9) is threadedly connected to the threaded block (11), the outer wall of the threaded block (11) is in contact with the support block (10), and the bottom of the threaded block (11) is tightly abutted against a plurality of spherical blocks (12).

5. The high-efficiency ventilation equipment for civil air defense projects according to claim 4 is characterized in that: The middle part of the outer wall of the spherical block (12) is slidably connected to the support block (10), the outer side of the outer wall of the spherical block (12) is tightly abutted against the support seat (6), and the inner wall of the support seat (6) is fixedly connected to the filter screen (8).

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