A ventilation device for steel structure supported prefabricated houses

Abstract

This application relates to the field of ventilation technology for prefabricated houses, and discloses a ventilation device for steel-structured prefabricated houses, including a fixed frame. The top of the fixed frame has a mounting groove, inside which a filter screen is placed. Movable grooves are provided on both sides of the back of the fixed frame. A pushing block is movably connected inside each movable groove. A spring is fixedly connected to one side of the pushing block, and the other end of the spring is fixedly connected to the inside of the movable groove. A locking block is fixedly connected to the other end of the pushing block. Multiple locking slots are provided on both sides of the filter screen. Through the cooperation of the spring, pushing block, locking block, locking slots, fixing bolts, and fixing holes, the filter screen can be quickly disassembled and installed. This effectively solves the problem of difficult cleaning of traditional fixed-installation filter screens, facilitates daily maintenance and cleaning, and can promptly remove dust accumulated on the filter screen, avoiding a decrease in ventilation effect due to blockage of the air outlet, and ensuring the stable operation of the ventilation device.

Description

Technical Field

[0001] This application relates to the field of ventilation technology for prefabricated houses, and in particular to a ventilation device for steel-structure-supported prefabricated houses. Background Technology

[0002] A ventilation system for steel-structured prefabricated houses is a device used for ventilation in these houses. Prefabricated houses use color steel plates as the frame and sandwich panels as the enclosure material. The components are connected by bolts, allowing for quick assembly and disassembly. The ventilation system is typically installed on the walls of the prefabricated house, and its main function is to facilitate air circulation between the interior and exterior, improving air quality inside the house.

[0003] The filter screen of the ventilation device is fixedly installed in the slot. After long-term use, dust easily accumulates on the filter screen. This not only blocks the air outlet and reduces the ventilation effect, but also makes it more complicated to disassemble the fixed filter screen when cleaning is needed, which is inconvenient for daily maintenance and cleaning. Utility Model Content

[0004] To address the aforementioned problems of dust accumulation and clogging of the filter screen, as well as the difficulty in disassembly and maintenance, this application provides a ventilation device for steel-structure-supported prefabricated houses.

[0005] The ventilation device for steel-structure supported prefabricated houses provided in this application adopts the following technical solution:

[0006] A ventilation device for a steel-structured prefabricated house includes a fixed frame. The top of the fixed frame has a mounting groove containing a filter screen. Movable grooves are located on both sides of the back of the fixed frame. A pushing block is movably connected inside each movable groove. A spring is fixedly connected to one side of each pushing block, and the other end of the spring is fixedly connected to the interior of the movable groove. A locking block is fixedly connected to the other end of the pushing block. Multiple locking slots are located on both sides of the filter screen, and the locking blocks are adapted to these slots. A fixing bolt is threadedly connected to the front of the pushing block. Multiple fixing holes are opened on the back of the fixed frame, and the interior of each fixing hole is threadedly connected to the fixing bolt.

[0007] Preferably, a protective frame is fixedly connected to the front of the fixed frame, and the interior of the protective frame is provided with multiple ventilation openings. An arc-shaped piece is fixedly connected to the end of each ventilation opening, and the surface of the arc-shaped piece is provided with multiple through holes.

[0008] Preferably, the fixed frame is fixedly connected to the two sides with lugs, the fixed frame is fixedly connected to the back with a support frame, and the fixed frame is fixedly connected to the middle with a fan.

[0009] Preferably, the arc-shaped concave direction of the arc plate is oriented towards the air intake direction of the protective frame.

[0010] Preferably, when the spring is in its natural state, the locking block engages with the inside of the locking groove.

[0011] Preferably, the position of the fixing hole is adapted to the movement trajectory of the push block, and the locking block disengages from the slot when the fixing bolt is threadedly connected to the fixing hole.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The combination of springs, push blocks, locking blocks, slots, fixing bolts, and fixing holes facilitates the quick disassembly and installation of the filter screen. This effectively solves the problem of difficult cleaning of traditionally fixed filter screens, making daily maintenance and cleaning easier. It can promptly remove dust accumulated on the filter screen, preventing a decrease in ventilation efficiency due to blocked air outlets and ensuring the stable operation of the ventilation device.

[0014] 2. The protective frame provides protection for the internal structure, and the ventilation openings ensure airflow. The arc-shaped concave direction of the arc plate faces the air intake direction, which not only blocks larger impurities such as sand and gravel from entering and preventing them from clogging the ventilation openings or damaging internal components, but also allows the blocked sand and gravel to slide naturally down the arc surface, avoiding accumulation and affecting ventilation. The through holes further filter some impurities in the air, reducing the filtration burden on the filter screen, improving the overall ventilation efficiency and stability of the device, and reducing maintenance work. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the support frame structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the protective frame of this utility model.

[0018] Figure 4 This is a schematic diagram of the mounting groove structure of this utility model.

[0019] Figure 5 This utility model Figure 4 Enlarged structural diagram.

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the fixed frame of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Fixed frame; 101. Support lug; 102. Support frame; 103. Fan; 104. Mounting slot; 105. Filter screen; 2. Protective frame; 201. Ventilation opening; 202. Arc plate; 203. Through hole; 3. Movable slot; 301. Spring; 302. Push block; 303. Fixing bolt; 304. Locking block; 305. Fixing hole; 306. Locking groove. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0023] Reference Figure 1-6 This utility model provides a ventilation device for a steel structure-supported prefabricated house, including a fixed frame 1. The top of the fixed frame 1 is provided with a mounting groove 104, and a filter screen 105 is placed inside the mounting groove 104. Movable grooves 3 are provided on both sides of the back of the fixed frame 1. A push block 302 is movably connected inside the movable groove 3. A spring 301 is fixedly connected to one side of the push block 302. The other end of the spring 301 is fixedly connected to the inside of the movable groove 3. A locking block 304 is fixedly connected to the other end of the push block 302. Multiple locking slots 306 are provided on both sides of the filter screen 105. The locking block 304 is adapted to the locking slots 306. A fixing bolt 303 is threadedly connected to the front of the push block 302. Multiple fixing holes 305 are opened on the back of the fixed frame 1. The inside of the fixing holes 305 is threadedly connected to the fixing bolt 303.

[0024] When the ventilation device is running, outside air enters through the fixed frame 1, and dust and other impurities in the air are intercepted by the filter screen 105 placed in the mounting slot 104. When it is necessary to clean the filter screen 105, rotate the fixing bolt 303 on the front of the push block 302 so that it is threaded into the fixing hole 305 on the back of the fixed frame 1. During this process, the push block 302 will compress the spring 301 inside the movable slot 3 and move it to one side, thereby causing the locking block 304 to disengage from the locking slots 306 on both sides of the filter screen 105. At this time, the filter screen 105 can be removed from the mounting slot 104. After cleaning, put the filter screen 105 back into the mounting slot 104, rotate the fixing bolt 303 in the opposite direction to disengage it from the fixing hole 305, the spring 301 returns to its natural state and pushes the push block 302 to reset, and the locking block 304 re-engages into the locking slot 306, thus fixing the filter screen 105.

[0025] In a preferred embodiment, a protective frame 2 is fixedly connected to the front of the fixed frame 1. The interior of the protective frame 2 is provided with a plurality of ventilation openings 201. An arc plate 202 is fixedly connected to the end of the ventilation opening 201. The surface of the arc plate 202 is provided with a plurality of through holes 203.

[0026] Air enters from the outside of the protective frame 2, first passing through multiple through holes 203 on the surface of the arc-shaped piece 202, and then through the vent 201 into the interior of the fixed frame 1. The arc-shaped piece 202 is located at the end of the vent 201, which can initially guide and buffer the incoming air, and the through holes 203 can further filter out some impurities in the air.

[0027] In a preferred embodiment, the fixed frame 1 is fixedly connected to the two sides with lugs 101, the fixed frame 1 is fixedly connected to the back with a support frame 102, and the fixed frame 1 is fixedly connected to the middle with a fan 103.

[0028] The lugs 101 are used to fix the fixed frame 1 in a suitable position on the prefabricated house, ensuring that the device is installed securely. When the fan 103 is running, it generates airflow, which accelerates the flow of air within the fixed frame 1. After entering through the protective frame 2, outside air passes through the filter screen 105 under the action of the fan 103, thus achieving ventilation of the prefabricated house.

[0029] In a preferred embodiment, the arc-shaped recess of the arc plate 202 is oriented toward the air intake direction of the protective frame 2.

[0030] When air carrying sand and gravel flows in from the air inlet direction of the protective frame 2, larger pieces of sand and gravel are blocked by the arc-shaped concave direction of the arc plate 202, preventing them from entering the vent 201 through the through hole 203, because the arc-shaped concavity of the arc plate 202 faces the air inlet direction. At the same time, the arc-shaped surface allows the blocked sand and gravel to slide naturally along the arc of the arc plate 202, preventing them from accumulating on the arc plate 202. Air, on the other hand, can smoothly enter the device through the through hole 203 and the vent 201 on the surface of the arc plate 202.

[0031] In a preferred embodiment, when the spring 301 is in its natural state, the locking block 304 engages with the inside of the locking slot 306.

[0032] When the spring 301 is in its natural state, its elastic force pushes the push block 302, causing the locking block 304 to engage in the locking groove 306. At this time, the filter screen 105 is firmly fixed in the mounting groove 104.

[0033] In a preferred embodiment, the position of the fixing hole 305 is adapted to the movement trajectory of the push block 302, and the locking block 304 disengages from the slot 306 when the fixing bolt 303 is threadedly connected to the fixing hole 305.

[0034] When the filter screen 105 needs to be removed, move the push block 302 to the position of the fixing hole 305, connect the fixing bolt 303 to the fixing hole 305, at this time the push block 302 drives the locking block 304 to disengage from the slot 306, and the filter screen 105 can be removed freely; during installation, loosen the fixing bolt 303, the spring 301 pushes the push block 302 to reset, and the locking block 304 re-enters the slot 306.

[0035] The foregoing description, with reference to preferred embodiments, illustrates an exemplary embodiment of a ventilation device for a steel-structure-supported prefabricated house provided by this disclosure. However, those skilled in the art will understand that various modifications and alterations can be made to the above specific embodiments without departing from the spirit of this disclosure, and various combinations can be made to the various technical features and structures proposed in this disclosure without exceeding the protection scope of this disclosure, the protection scope of which is determined by the appended claims.

Claims

1. A ventilation device for a steel-structure-supported prefabricated house, comprising a fixed frame (1), characterized in that: The top of the fixed frame (1) is provided with an installation groove (104), and a filter screen (105) is placed inside the installation groove (104). The two sides of the back of the fixed frame (1) are provided with movable grooves (3). A push block (302) is movably connected inside the movable groove (3). A spring (301) is fixedly connected to one side of the push block (302). The other end of the spring (301) is fixedly connected to the inside of the movable groove (3). A locking block (304) is fixedly connected to the other end of the push block (302). Multiple locking slots (306) are provided on both sides of the filter screen (105). The locking block (304) is adapted to the locking slot (306). A fixing bolt (303) is threadedly connected to the front of the push block (302). Multiple fixing holes (305) are opened on the back of the fixed frame (1). The inside of the fixing hole (305) is threadedly connected to the fixing bolt (303).

2. The ventilation device for a steel-structure supported prefabricated house according to claim 1, characterized in that: The front of the fixed frame (1) is fixedly connected to a protective frame (2). The interior of the protective frame (2) is provided with multiple ventilation openings (201). The end of the ventilation opening (201) is fixedly connected to an arc plate (202). The surface of the arc plate (202) is provided with multiple through holes (203).

3. A ventilation device for a steel-structure-supported prefabricated house according to claim 1, characterized in that: The fixed frame (1) is fixedly connected to the two sides with lugs (101), the fixed frame (1) is fixedly connected to the back with a support frame (102), and the fixed frame (1) is fixedly connected to the middle with a fan (103).

4. A ventilation device for a steel-structure-supported prefabricated house according to claim 2, characterized in that: The arc-shaped recess of the arc plate (202) is oriented toward the air intake direction of the protective frame (2).

5. A ventilation device for a steel-structure-supported prefabricated house according to claim 1, characterized in that: When the spring (301) is in its natural state, the locking block (304) engages with the inside of the locking slot (306).

6. A ventilation device for a steel-structure-supported prefabricated house according to claim 1, characterized in that: The position of the fixing hole (305) is adapted to the movement trajectory of the push block (302). When the fixing bolt (303) is threadedly connected to the fixing hole (305), the locking block (304) disengages from the locking groove (306).

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