Ventilation device for building construction

Abstract

The utility model relates to the technical field of buildings, in particular to a ventilation device for buildings, which comprises an air outlet fan body, a frame is fixedly connected to the front side of the air outlet fan body, a pair of T-shaped columns is fixedly connected to each of the upper end and the lower end of the air outlet fan body, and a U-shaped insertion plate is slidably connected to the upper ends of the T-shaped columns. The outer ends of the T-shaped columns and the outer ends of the U-shaped inserting plates are connected with sliding rails in a sliding mode, and first springs are arranged between the T-shaped columns and the sliding rails. A pair of square grooves is formed in the middle of the top face of the T-shaped column, limiting blocks are rotationally connected to the inner walls of the square grooves, third springs are arranged between the limiting blocks and the T-shaped column, a pair of limiting grooves is formed in the left side and the right side of the sliding rail, the top face of the sliding rail is installed on the bottom face of a fixing plate through a pair of telescopic rods, and a pair of installation holes are formed in the fixing plate; the air outlet fan has the beneficial effects that the time for disassembling and assembling the air outlet fan body is greatly shortened, and the disassembling and assembling efficiency between the air outlet fan body and a wall hole is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a ventilation device used for building construction. Background Art

[0002] Ventilation is a building environment control technology that uses ventilation dilution or ventilation removal to control the spread and harm of air pollutants and ensure the quality of indoor and outdoor air environment of buildings. A ventilation device is a device used to achieve indoor and outdoor ventilation of buildings.

[0003] A Chinese patent with authorization announcement number CN211781749U discloses a ventilation device for building construction, including a dust baffle and an air blower provided with a mounting plate, the dust baffle is provided with a plurality of plug rods, the mounting plate is provided with a plurality of slots, the plurality of plug rods are plugged into the plurality of slots in a one-to-one correspondence, a locking member for locking the first plug rod under the action of gravity is provided in the mounting plate, the locking member can be raised and lowered, and a control structure for controlling the movement of the locking member is provided in the mounting plate. The device has the effect of improving the disassembly and assembly efficiency between the air blower and the dust baffle.

[0004] However, the disadvantage is that the ventilation device in the above device is an air blower. When ventilating a building, it is necessary to first drill a wall hole on the wall of the building, and then install the air blower in the wall hole. In the prior art, when installing the air blower, after the air blower is inserted into the wall hole, cement or foam glue needs to be filled in the gap between the air blower and the wall hole, and the air blower and the wall surface are fixed with screws, so as to install the air blower in the wall hole. When the air blower needs to be cleaned and repaired, since the air blower is generally installed at a high place, the air blower needs to be disassembled for operation, and the cement or foam glue is not easy to be disintegrated, so it is difficult to remove the air blower from the wall hole, and after the cleaning or repair is completed, cement or foam glue needs to be filled in the gap again, so that the disassembly and assembly process between the air blower and the wall hole consumes a lot of time, resulting in low disassembly and assembly efficiency between the air blower and the wall hole. For this reason, the utility model proposes a ventilation device for building construction to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a ventilation device for building construction, so as to solve the problem of low disassembly and assembly efficiency between the air outlet fan and the wall hole proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ventilation device for building construction, comprising: an air outlet fan main body, a frame is fixedly connected to the front of the air outlet fan main body, a pair of "T"-shaped columns are fixedly connected to the upper and lower ends of the air outlet fan main body, the upper ends of the "T"-shaped columns are slidably connected to the "U"-shaped plug plates, the outer ends of the "T"-shaped columns and the "U"-shaped plug plates are slidably connected to the slide rails, a first spring is provided between the "T"-shaped columns and the slide rails; a pair of square grooves are provided in the middle position of the top surface of the "T"-shaped columns, the inner walls of the square grooves are rotatably connected to the limiting blocks, a third spring is provided between the limiting blocks and the "T"-shaped columns, a pair of limiting grooves are provided on the left and right sides of the slide rails, the top surface of the slide rails is mounted on the bottom surface of the fixed plate through a pair of telescopic rods, and the fixed plate is provided with a pair of mounting holes.

[0007] Preferably, a sealing gasket is provided on the back of the frame, and a protective net is installed between the inner walls of the frame.

[0008] Preferably, one end of the "U"-shaped plug plate passing through the frame is connected to a push plate, a second spring is provided between the push plate and the frame, the push plate slides back and forth in the mounting sleeve, and a circular groove is provided in the center of the front side of the push plate.

[0009] Preferably, the installation sleeve is fixedly installed on the front side of the frame, and a threaded hole matching the size of the circular groove is provided in the center of the front side of the installation sleeve, a first screw rod is spirally connected inside the threaded hole, and a handle is connected to one end of the first screw rod.

[0010] Preferably, the telescopic rod includes a second screw and a third screw, the second screw is fixedly mounted on the bottom surface of the fixed plate, the third screw is fixedly mounted on the top surface of the slide rail, the second screw and the third screw are connected by a threaded tube, and the thread directions of the second screw and the third screw are set in opposite directions.

[0011] Preferably, an end of the limiting block away from the third spring is provided with an inclined surface a and an inclined surface b, and the size and position of the square groove and the limiting groove are matched.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the device is working, first a wall hole slightly larger than the outer diameter of the fan body is excavated on the wall, two sets of slide rails are respectively installed on the upper and lower inner walls of the wall hole by driving screws into the installation holes, the threaded tube is rotated to adjust the slide rails to a suitable distance, and the fan body is inserted into the four "T"-shaped columns in the direction of the "T"-shaped column into the four slide rails to complete the installation of the fan body; when cleaning and maintenance are required, the first screw is screwed into the installation sleeve for a certain distance, and the "U"-shaped plug plate is driven to be inserted between the limit block and the inner wall of the slide rail until the limit block is completely retracted into the square groove, and the fan body can be removed from the wall hole. Compared with the traditional method of fixing with cement or foam glue, the device greatly shortens the time for disassembling and assembling the fan body, and improves the disassembly and assembly efficiency between the fan body and the wall hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the axonometric drawing of the overall structure of the utility model;

[0014] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0016] Figure 4 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 5 For this utility model Figure 4 A magnified schematic diagram of the structure of the middle B region;

[0018] Figure 6 This is a cross-sectional view of the internal structure of the slide rail of the utility model;

[0019] Figure 7 For this utility model Figure 6 Schematic diagram of the enlarged structure of the middle C region.

[0020] In the figure: 1. air outlet body; 2. frame; 3. sealing gasket; 4. protective net; 5. fixing plate; 6. mounting hole; 7. slide rail; 8. telescopic rod; 9. "T"-shaped column; 10. first spring; 11. "U"-shaped plug plate; 12. push plate; 13. mounting sleeve; 14. threaded hole; 15. first screw; 16. handle; 17. second spring; 18. second screw; 19. third screw; 20. threaded tube; 21. square groove; 22. limit block; 23. third spring; 24. limit groove. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily by reference to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is apparent that, for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments may be used in combination with each other.

[0025] See also Figures 1 to 7 The utility model provides a technical solution: a ventilation device for building construction, comprising: an air outlet main body 1, a frame 2 is fixedly connected to the front of the air outlet main body 1, a sealing gasket 3 is provided on the back of the frame 2, and a protective net 4 is installed between the inner walls of the frame 2. During the operation of the air outlet main body 1, foreign matter is prevented from entering the air outlet main body 1 to ensure the normal operation of the air outlet main body 1.

[0026] A pair of "T"-shaped columns 9 are fixedly connected to the upper and lower ends of the blower body 1, and a "U"-shaped plug plate 11 is slidably connected to the upper end of the "T"-shaped column 9. The outer ends of the "T"-shaped column 9 and the "U"-shaped plug plate 11 are slidably connected to the slide rails 7. The two sets of slide rails 7 are installed parallel to each other and correspond to the positions of the four "T"-shaped columns 9 on the blower body 1.

[0027] During the process of disassembling and assembling the fan body 1 in the wall hole, the fan body 1 can be quickly installed in the wall hole through the cooperation between the "T"-shaped column 9 and the slide rail 7, and the fan body 1 is easy to disassemble. Compared with the traditional method of fixing with cement or foam glue, the time for disassembling and assembling the fan body 1 is greatly shortened, and the disassembly and assembly efficiency is improved.

[0028] A first spring 10 is provided between the "T"-shaped column 9 and the slide rail 7. By providing the first spring 10, after the "T"-shaped column 9 is inserted into the slide rail 7, the "T"-shaped column 9 is fixed in the slide rail 7 through the rebound of the first spring 10 and the joint action of the limit block 22, so as to avoid shaking and prevent abnormal noise during the operation of the blower.

[0029] One end of the U-shaped plug plate 11 passing through the frame 2 is connected to a push plate 12 , a second spring 17 is provided between the push plate 12 and the frame 2 , the push plate 12 slides back and forth in the mounting sleeve 13 , and a circular groove is provided in the center of the front side of the push plate 12 .

[0030] The mounting sleeve 13 is fixedly mounted on the front side of the frame 2, and a threaded hole 14 matching the size of the circular groove is provided in the center of the front side of the mounting sleeve 13, and a first screw rod 15 is spirally connected inside the threaded hole 14, and a handle 16 is connected to one end of the first screw rod 15. When it is necessary to remove the fan body 1 from the wall hole, the first screw rod 15 can be screwed into the threaded hole 14, driving the push plate 12 and the "U"-shaped plug plate 11 to move into the slide rail 7, so that the "U"-shaped plug plate 11 is inserted between the limit block 22 and the inner wall of the slide rail 7, so that the limit block 22 is retracted into the "T"-shaped column 9, so that when the fan body 1 is moved out, the limit block 22 will not fall into the limit groove 24, and the fan body 1 can be taken out smoothly.

[0031] A pair of square grooves 21 are provided in the middle position of the top surface of the "T"-shaped column 9, and the inner wall of the square groove 21 is rotatably connected to a limiting block 22. A third spring 23 is provided between the limiting block 22 and the "T"-shaped column 9. A pair of limiting grooves 24 are provided on the left and right sides of the slide rail 7. The top surface of the slide rail 7 is installed on the bottom surface of the fixed plate 5 through a pair of telescopic rods 8, and a pair of mounting holes 6 are provided on the fixed plate 5.

[0032] The telescopic rod 8 includes a second screw rod 18 and a third screw rod 19. The second screw rod 18 is fixedly mounted on the bottom surface of the fixing plate 5, and the third screw rod 19 is fixedly mounted on the top surface of the slide rail 7. The second screw rod 18 and the third screw rod 19 are connected by a threaded tube 20, and the thread directions of the second screw rod 18 and the third screw rod 19 are arranged in opposite directions. The threaded tube 20 can be rotated clockwise or counterclockwise to make the second screw rod 18 and the third screw rod 19 move away from or close to each other, so that the upper and lower slide rails 7 installed on the inner wall of the wall hole are adjusted to a suitable distance to meet the installation requirements of the fan body 1.

[0033] The end of the stop block 22 away from the third spring 23 is provided with an inclined surface a and an inclined surface b, and the size and position of the square groove 21 and the stop groove 24 are adapted. When installing the blower body 1, the "T"-shaped column 9 can smoothly enter the slide rail 7 through the inclined surface a, and when disassembling the blower body 1, the "U"-shaped plug plate 11 can be easily inserted between the stop block 22 and the inner wall of the slide rail 7 through the inclined surface b, so that the stop block 22 is completely retracted into the square groove 21 and no longer pops out, which is convenient for removing the blower body 1 from the wall hole.

[0034] When the device is working, first, a hole slightly larger than the outer diameter of the blower body 1 is drilled on the wall, two sets of slide rails 7 are respectively installed on the upper and lower inner walls of the hole by driving screws into the mounting holes 6, the threaded tube 20 is rotated to adjust the slide rails 7 to a suitable distance, and the blower body 1 is inserted into the four "T"-shaped columns 9 in the direction of the "T"-shaped columns 9 into the four slide rails 7 to complete the installation of the blower body 1; when cleaning and maintenance are required, the first screw 15 is screwed into the mounting sleeve 13 for a certain distance, and the "U"-shaped plug plate 11 is driven to be inserted between the limit block 22 and the inner wall of the slide rail 7 until the limit block 22 is completely retracted into the square groove 21, and the blower body 1 can be removed from the hole. Compared with the traditional method of fixing with cement or foam glue, the device greatly shortens the time for disassembling and assembling the blower body 1, and improves the efficiency of disassembling and assembling between the blower body 1 and the hole.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation device for building construction, characterized in that: include: A fan body (1), wherein a frame (2) is fixedly connected to the front of the fan body (1), a pair of "T"-shaped columns (9) are fixedly connected to the upper and lower ends of the fan body (1), the upper ends of the "T"-shaped columns (9) are slidably connected to a "U"-shaped plug plate (11), the outer ends of the "T"-shaped columns (9) and the "U"-shaped plug plate (11) are slidably connected to a slide rail (7), and a first spring (10) is provided between the "T"-shaped column (9) and the slide rail (7); A pair of square grooves (21) are provided in the middle of the top surface of the "T"-shaped column (9); the inner wall of the square groove (21) is rotatably connected to a limit block (22); a third spring (23) is provided between the limit block (22) and the "T"-shaped column (9); a pair of limit grooves (24) are provided on the left and right sides of the slide rail (7); the top surface of the slide rail (7) is mounted on the bottom surface of the fixed plate (5) through a pair of telescopic rods (8); and a pair of mounting holes (6) are provided on the fixed plate (5).

2. A ventilation device for building construction according to claim 1, characterized in that: A sealing pad (3) is provided on the back of the frame (2), and a protective net (4) is installed between the inner walls of the frame (2).

3. A ventilation device for building construction according to claim 1, characterized in that: One end of the U-shaped plug plate (11) passing through the frame (2) is connected to a push plate (12); a second spring (17) is provided between the push plate (12) and the frame (2); the push plate (12) slides back and forth in the mounting sleeve (13); a circular groove is provided in the center of the front face of the push plate (12).

4. A ventilation device for building construction according to claim 3, characterized in that: The installation sleeve (13) is fixedly installed on the front side of the frame (2); a threaded hole (14) matching the size of the circular groove is provided in the center of the front side of the installation sleeve (13); a first screw rod (15) is spirally connected inside the threaded hole (14); and a handle (16) is connected to one end of the first screw rod (15).

5. A ventilation device for building construction according to claim 1, characterized in that: The telescopic rod (8) comprises a second screw rod (18) and a third screw rod (19), wherein the second screw rod (18) is fixedly mounted on the bottom surface of the fixed plate (5), and the third screw rod (19) is fixedly mounted on the top surface of the slide rail (7), wherein the second screw rod (18) and the third screw rod (19) are connected via a threaded tube (20), and the thread directions of the second screw rod (18) and the third screw rod (19) are opposite.

6. A ventilation device for building construction according to claim 1, characterized in that: An end of the limiting block (22) away from the third spring (23) is provided with an inclined surface a and an inclined surface b, and the size and position of the square groove (21) and the limiting groove (24) are matched.

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