A type of easily disassembled ventilation device for building construction

Abstract

This utility model relates to the field of building ventilation technology and discloses an easily detachable building ventilation device, including a ventilation box and a protective shell. Two connecting blocks are fixedly connected to the upper and lower outer walls of the rear end of the protective shell, and each connecting block has a snap-fit ​​groove in its center. Two connecting grooves are formed on the upper and lower outer walls of the front end of the ventilation box, and two mounting grooves are formed in the center of the upper and lower surfaces of the ventilation box. A sliding groove is formed on the inner wall of each mounting groove near the connecting groove. In this utility model, pressing a button compresses a return spring, causing the snap-fit ​​blocks to disengage from the snap-fit ​​grooves, easily separating the ventilation box from the protective shell. Conversely, aligning the ventilation box with the connecting blocks of the protective shell causes the snap-fit ​​blocks to automatically pop out under the action of the spring, slide into the sliding grooves, and finally snap into the snap-fit ​​grooves, completing rapid assembly. This design simplifies the installation and disassembly process, requires no tools, and saves time and labor costs.

Description

Technical Field

[0001] This utility model relates to the field of building ventilation technology, and in particular to a ventilation device for building construction that is easy to disassemble and assemble. Background Technology

[0002] Building ventilation systems refer to a series of devices and systems used for air exchange and indoor air quality regulation within buildings. Their purpose is to expel stale indoor air and introduce fresh air through mechanical or natural means, thereby ensuring the freshness, humidity, and temperature of indoor air and creating a healthy and comfortable living and working environment. Common ventilation devices include ventilation ducts, fans, dampers, and air handling units, which can form different ventilation systems, such as natural ventilation, mechanical ventilation, and mixed ventilation, to meet different building types and usage needs. A good ventilation system can not only improve indoor air quality but also effectively control energy consumption, making it one of the important measures for achieving green building and energy conservation and emission reduction.

[0003] Traditional ventilation systems typically connect their components with fasteners such as bolts and screws. This makes installation and disassembly require tools such as wrenches and screwdrivers, which are cumbersome and time-consuming. Furthermore, due to the inconvenience of disassembly and assembly, the process becomes quite troublesome when cleaning or replacing filters or repairing internal components. This not only increases the time required for maintenance but also often requires professional personnel, thereby increasing labor costs and maintenance expenses.

[0004] Therefore, those skilled in the art have provided an easily detachable ventilation device for building construction to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies and provide an easily detachable ventilation device for buildings. By pressing a button, a return spring is compressed, causing the locking block to disengage from the locking groove, thus easily separating the ventilation box from the protective shell. Conversely, by aligning the ventilation box with the connecting block of the protective shell, the locking block automatically pops out under the action of the spring, slides into the sliding groove, and finally locks into the locking groove, completing rapid assembly. This design simplifies the installation and disassembly process, eliminates the need for tools, and saves time and labor costs.

[0006] To achieve the above objectives, this utility model provides an easily detachable ventilation device for building construction, comprising a ventilation box and a protective shell. Two connecting blocks are fixedly connected to the upper and lower outer walls of the rear end of the protective shell, and each connecting block has a snap-fit ​​groove in its center. Two connecting grooves are formed on the upper and lower outer walls of the front end of the ventilation box. Two mounting grooves are formed in the center of the upper and lower surfaces of the ventilation box. A sliding groove is formed on the inner wall of the mounting groove near the connecting groove, and the sliding groove is connected to the interior of the connecting groove. A snap-fit ​​component is provided inside each mounting groove. A snap-fit ​​block is fixedly connected to the side of the snap-fit ​​component near the connecting groove. A return spring is fixedly connected to the outer walls of adjacent sides of the snap-fit ​​component at the same end. The end of the snap-fit ​​component away from the center of the ventilation box is located outside the ventilation box and fixedly connected to a button. The snap-fit ​​block at the same end penetrates the sliding groove into the interior of the connecting groove and engages with the inner wall of the snap-fit ​​groove.

[0007] With the above technical solution, pressing the button compresses the return spring, causing the locking block to disengage from the locking slot, thus easily separating the ventilation box from the protective shell. Conversely, aligning the ventilation box with the connecting block of the protective shell causes the locking block to automatically pop out under the spring's action, slide into the sliding groove, and finally lock into the locking slot, completing rapid assembly. This design simplifies the installation and disassembly process, eliminating the need for tools and saving time and labor costs. The locking engagement between the locking block and the locking slot provides sufficient mechanical locking force to resist certain external forces, ensuring that the ventilation box and protective shell will not easily separate or loosen during operation. The elasticity provided by the return spring gives the locking engagement a certain degree of self-locking, maintaining the connection even under slight vibration.

[0008] Furthermore, a servo motor is fixedly connected to the middle of the inner wall of the rear end of the ventilation box, a rotating rod is fixedly connected to the output end of the servo motor, a fan blade is fixedly connected to the front end of the rotating rod, the fan blade is located inside the ventilation box, and multiple ventilation slots are opened in the middle of both sides of the outer wall of the ventilation box, and a filter screen is installed inside each ventilation slot.

[0009] Through the above technical solution, the fan blades are driven to rotate by a servo motor to generate controllable airflow. This makes ventilation no longer a passive process that relies entirely on natural wind pressure or thermal pressure difference. Instead, the ventilation volume can be actively adjusted according to actual needs to ensure the stability and reliability of the ventilation effect. The design of multiple ventilation slots on both sides of the ventilation box helps to guide the airflow to enter or exit the ventilation box more evenly. In addition, the filter screen set inside the ventilation slot can effectively intercept dust, impurities and some harmful particles in the air entering or exiting from both sides of the ventilation box.

[0010] Furthermore, positioning rods are fixedly connected to the four corners of the rear outer wall of the protective shell, and positioning holes are opened at the four corners of the front outer wall of the ventilation box. The outer walls of the positioning rods are tightly fitted to the inner walls of the positioning holes.

[0011] With the above technical solution, when assembling the ventilation box and the protective shell, the positioning rod and the positioning hole play a guiding role. The operator only needs to align the positioning rod with the positioning hole and insert it to quickly and accurately make the two parts reach the roughly correct relative position, which simplifies the assembly process, reduces the time for repeated trial assembly and alignment, and improves assembly efficiency.

[0012] Furthermore, a ventilation plate is fixedly connected to the middle of the front end of the protective shell, and a filter screen is provided inside each ventilation hole of the ventilation plate;

[0013] The above technical solution provides a ventilation channel through the ventilation plate, while the filter screen provides protection and filtration functions. Users can regularly remove and clean or replace the filter screen as needed or according to its level of dirtiness.

[0014] Furthermore, mounting plates are fixedly connected to the upper and lower rear ends and the middle of both sides of the ventilation box;

[0015] The above technical solution allows for easy installation and fixation of the entire device via the mounting holes on the mounting plate.

[0016] Furthermore, the outer walls of the reset spring on both adjacent sides at the same end are fixedly connected to the inner walls of the mounting groove on both adjacent sides;

[0017] The above technical solution ensures that the spring can stably provide a uniform and continuous restoring force by fixing it on both sides. When the component connected to the spring is pressed, the spring is compressed. When the external force is removed, the spring can reliably return to its original state and push the component back to its initial position.

[0018] Furthermore, the outer wall of the rear end of the protective shell is tightly fitted to the outer wall of the front end of the ventilation box, the outer wall of the connecting block is tightly fitted to the inner wall of the connecting groove, and the outer wall of the snap-fit ​​block is slidably fitted to the inner wall of the sliding groove.

[0019] Through the above technical solution, this design enables the locking component to move smoothly along a specific track during the processes of pressing the button, compressing the spring, disengaging from the locking slot, and resetting, without jamming or shifting, making the entire assembly and disassembly process more convenient and reliable.

[0020] This utility model has the following beneficial effects:

[0021] This utility model proposes an easy-to-assemble ventilation device for buildings. By pressing a button, the return spring is compressed, causing the locking block to disengage from the locking groove, making it easy to separate the ventilation box from the protective shell. By reversing the operation, the ventilation box is aligned with the connecting block of the protective shell, and the locking block automatically pops out under the action of the spring, slides into the sliding groove, and finally locks into the locking groove, completing the quick assembly. This design simplifies the installation and disassembly process, requires no tools, and saves time and labor costs. Attached Figure Description

[0022] Figure 1 This is an axonometric drawing of a ventilation device for building construction that is easy to assemble and disassemble, as proposed in this utility model.

[0023] Figure 2 This is a side sectional view of a ventilation device for building construction that is easy to disassemble and assemble, as proposed in this utility model.

[0024] Figure 3 This is a partial structural isometric view of a ventilation device for building construction that is easy to disassemble and assemble, as proposed in this utility model.

[0025] Figure 4 This is a partial structural cross-sectional view of a ventilation device for building construction that is easy to disassemble and assemble, as proposed in this utility model.

[0026] Figure 5 This is a partial structural detail of a ventilation device for building construction that is easy to disassemble and assemble, as proposed in this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Ventilation box; 101. Mounting plate; 102. Ventilation groove; 103. Positioning hole; 104. Connecting groove; 105. Mounting groove; 106. Sliding groove; 2. Protective shell; 201. Ventilation plate; 202. Positioning rod; 203. Connecting block; 204. Snap-fit ​​groove; 3. Servo motor; 301. Rotating rod; 302. Fan blade; 4. Snap-fit ​​assembly; 401. Snap-fit ​​block; 402. Return spring; 403. Button. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Reference Figure 3 , Figure 4 and Figure 5This utility model provides a specific embodiment: an easily detachable ventilation device for building construction, including a ventilation box 1 and a protective shell 2. Two connecting blocks 203 are fixedly connected to the upper and lower outer walls of the rear end of the protective shell 2. Each connecting block 203 has a locking groove 204 in its middle. Two connecting grooves 104 are opened on the upper and lower outer walls of the front end of the ventilation box 1. Two mounting grooves 105 are opened in the middle of the upper and lower surfaces of the ventilation box 1. Sliding grooves 106 are opened on the inner walls of the mounting grooves 105 near the connecting grooves 104, and the sliding grooves 106 are all connected to the interior of the connecting grooves 104. A locking component 4 is provided inside each mounting groove 105. A locking block 401 is fixedly connected to the side of the locking component 4 near the connecting groove 104. Return springs 402 are fixedly connected to the outer walls of adjacent sides of the locking component 4 at the same end. The end of the locking component 4 away from the middle of the ventilation box 1 is located outside the ventilation box 1 and is fixedly connected to a button 403. All end-locking blocks 401 penetrate the sliding groove 106 into the interior of the connecting groove 104 and engage with the inner wall of the locking groove 204. By pressing the button 403, the return spring 402 is compressed, causing the locking block 401 to disengage from the locking groove 204, thus easily separating the ventilation box 1 from the protective shell 2. Conversely, by aligning the ventilation box 1 with the connecting block 203 of the protective shell 2, the locking block 401 automatically pops out under the action of the spring, slides into the sliding groove 106, and finally engages with the locking groove 204, completing the quick assembly. This design simplifies the installation and disassembly process, requires no tools, and saves time and labor costs. The engagement between the locking block 401 and the locking groove 204 provides sufficient mechanical locking force to resist certain external forces, ensuring that the ventilation box 1 and the protective shell 2 will not easily separate or loosen during operation. The elasticity provided by the return spring 402 gives the engagement a certain degree of self-locking, maintaining the connection even under slight vibration.

[0031] Reference Figure 1 and Figure 2 A servo motor 3 is fixedly connected to the middle of the inner wall of the rear end of the ventilation box 1. A rotating rod 301 is fixedly connected to the output end of the servo motor 3. A fan blade 302 is fixedly connected to the front end of the rotating rod 301. The fan blade 302 is located inside the ventilation box 1. Multiple ventilation slots 102 are opened in the middle of both sides of the outer wall of the ventilation box 1. A filter screen is installed inside each ventilation slot 102. The fan blade 302 is driven to rotate by the servo motor 3 to generate controllable airflow. This makes ventilation no longer a passive process that completely relies on natural wind pressure or thermal pressure difference, but can actively adjust the ventilation volume according to actual needs to ensure the stability and reliability of ventilation effect. The design of multiple ventilation slots 102 on both sides of the ventilation box 1 helps to guide the airflow to enter or exit the ventilation box 1 more evenly. In addition, the filter screen installed inside the ventilation slot 102 can effectively intercept dust, impurities and some harmful particles in the air entering or exiting from both sides of the ventilation box 1.

[0032] Reference Figure 1 , Figure 3 and Figure 4 Positioning rods 202 are fixedly connected to the four corners of the rear outer wall of the protective shell 2. Positioning holes 103 are opened at the four corners of the front outer wall of the ventilation box 1. The outer wall of the positioning rods 202 fits tightly with the inner wall of the positioning holes 103. When assembling the ventilation box 1 and the protective shell 2, the cooperation between the positioning rods 202 and the positioning holes 103 plays a guiding role. The operator only needs to align the positioning rods 202 with the positioning holes 103 and insert them to quickly and accurately make the two parts reach the approximately correct relative position, simplifying the assembly process, reducing the time for repeated trial assembly and alignment, and improving assembly efficiency. A ventilation plate 201 is fixedly connected to the middle of the front end of the protective shell 2. The ventilation holes of the ventilation plate 201 are equipped with filters. The ventilation plate 201 provides a ventilation channel, and the filters realize the protection and filtration functions. The user can remove and clean or replace the filters periodically as needed or according to the degree of dirtiness of the filters. The upper and lower parts of the rear end of the ventilation box 1 and the middle of both sides Each component is fixedly connected to a mounting plate 101. The mounting holes on the mounting plate 101 facilitate the overall installation and fixation of the device. The outer walls of the adjacent sides of the return spring 402 at the same end are fixedly connected to the inner walls of the adjacent sides of the mounting groove 105. This method of fixing on both sides ensures that the spring can stably provide a uniform and continuous return force. When the component connected to the spring is pressed, the spring is compressed. When the external force is removed, the spring can reliably return to its original shape and push the component back to the initial position. The outer wall of the rear end of the protective shell 2 is tightly fitted with the outer wall of the front end of the ventilation box 1. The outer wall of the connecting block 203 is tightly fitted with the inner wall of the connecting groove 104. The outer wall of the snap-fit ​​block 401 is slidably fitted with the inner wall of the sliding groove 106. This design allows the snap-fit ​​component 4 to move smoothly along a specific track during the pressing of the button 403, compression of the spring, disengagement from the snap-fit ​​groove 204, and reset, without jamming or deviation, making the entire disassembly and assembly process more convenient and reliable.

[0033] Working principle: First, roughly align the ventilation box 1 and the protective shell 2. Insert the positioning rod 202 at the rear end of the protective shell 2 into the corresponding positioning hole 103 at the front end of the ventilation box 1 to achieve preliminary and precise positioning. Then, align the ventilation box 1 with the connecting block 203 on the protective shell 2. At this time, the snap-fit ​​block 401 in the snap-fit ​​assembly 4 inside the ventilation box 1 will automatically slide through the sliding groove 106 under the elastic force of the return spring 402 and accurately snap into the snap-fit ​​groove 204 in the middle of the connecting block 203, completing the firm and quick assembly of the two. Finally, fix the entire ventilation box 1 to the building wall through the mounting plates 101 around the rear end. Then, start the servo motor 3 through the external controller, and the motor drives... The rotating rod 301 and fan blade 302 rotate, and part of the airflow generated enters or exits through the ventilation plate 201 at the front end of the protective shell 2 and its filter screen. The other part is ventilated and filtered through the ventilation slots 102 on both sides of the ventilation box 1 and its built-in filter screen to ensure that the air entering the room is relatively clean. When maintenance or disassembly is required, simply press the button 403 on the outside of the ventilation box 1 to compress the return spring 402 and make the locking block 401 disengage from the locking groove 204. At this time, the ventilation box 1 can be easily separated from the protective shell 2. After separation, the fan blade 302, filter screen, etc. can be easily cleaned, replaced or repaired. When reinstallation is required, the above alignment and locking steps can be repeated.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A detachable ventilation device for building, comprising a ventilation box (1) and a protective shell (2), characterized in that: The outer walls of the upper and lower rear ends of the protective shell (2) are fixedly connected to two connecting blocks (203). Each connecting block (203) has a snap-fit ​​groove (204) in the middle. The outer walls of the upper and lower front ends of the ventilation box (1) are provided with two connecting grooves (104). The middle of the upper and lower surfaces of the ventilation box (1) is provided with two mounting grooves (105). The inner wall of the mounting groove (105) near the connecting groove (104) is provided with a sliding groove (106). The sliding groove (106) is connected to the interior of the connecting groove (104). The mounting groove (105) is provided with a sliding groove (106). 5) Each of the interiors is provided with a locking assembly (4). The locking assembly (4) is fixedly connected to a locking block (401) on the side near the connecting groove (104). The outer walls of the adjacent sides of the locking assembly (4) at the same end are fixedly connected to a return spring (402). The end of the locking assembly (4) at the same end away from the middle of the ventilation box (1) is located outside the ventilation box (1) and is fixedly connected to a button (403). The locking block (401) at the same end passes through the sliding groove (106) to the interior of the connecting groove (104) and engages with the inner wall of the locking groove (204).

2. A removable ventilator for a building according to claim 1, characterized in that: A servo motor (3) is fixedly connected to the middle of the inner wall of the rear end of the ventilation box (1). A rotating rod (301) is fixedly connected to the output end of the servo motor (3). A fan blade (302) is fixedly connected to the front end of the rotating rod (301). The fan blade (302) is located inside the ventilation box (1). Multiple ventilation slots (102) are opened in the middle of both sides of the outer wall of the ventilation box (1). A filter screen is installed inside each ventilation slot (102).

3. The easily detachable ventilation device for a building according to claim 1, wherein: Positioning rods (202) are fixedly connected to the four corners of the outer wall of the rear end of the protective shell (2), and positioning holes (103) are opened at the four corners of the outer wall of the front end of the ventilation box (1). The outer wall of the positioning rod (202) is tightly fitted to the inner wall of the positioning hole (103).

4. The easily detachable ventilation device for a building according to claim 1, wherein: A ventilation plate (201) is fixedly connected to the middle of the front end of the protective shell (2), and a filter screen is provided inside the ventilation holes of the ventilation plate (201).

5. The easily detachable ventilation device for a building according to claim 1, wherein: Mounting plates (101) are fixedly connected to the upper and lower rear ends and the middle of both sides of the ventilation box (1).

6. A building ventilation device that is easy to assemble and disassemble according to claim 1, characterized in that: The outer walls of the reset spring (402) on both sides of the same end are fixedly connected to the inner walls of the mounting groove (105) on both sides.

7. A building ventilation device that is easy to assemble and disassemble according to claim 1, characterized in that: The outer wall of the rear end of the protective shell (2) is closely fitted to the outer wall of the front end of the ventilation box (1), the outer wall of the connecting block (203) is closely fitted to the inner wall of the connecting groove (104), and the outer wall of the snap-fit ​​block (401) is slidably fitted to the inner wall of the sliding groove (106).

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