Double-layer shutter structure

Abstract

The utility model discloses a double-layer shutter structure which is characterized in that an alignment device is fixedly installed at the front end of a connecting device, a supporting device is fixedly installed at the front end of the alignment device, and the supporting device comprises a synchronous rod, a bolt plate, a supporting cavity, a reset spring, a displacement rod, a first rotating blade, a first air duct and a second rotating blade; the first rotating blade and the second rotating blade are rotatably installed in the first air duct at equal intervals, the first rotating blade is located at the front end of the second rotating blade, the supporting cavities are symmetrically and fixedly installed at the top end of the first air duct, and the reset springs are fixedly installed at the rear ends of the interiors of the supporting cavities; the pin plates are fixedly installed at the rear ends of the reset springs, the displacement rods symmetrically penetrate through the supporting cavity in a sliding mode and are connected with the front ends of the pin plates, and the synchronous rod is fixedly installed at the top ends of the two pin plates. Through the arrangement of the supporting device and the alignment device, the purpose of quickly replacing the filter element is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of blinds, in particular to a double-layer blind structure. Background Art

[0002] The blind structure is a complex and diverse topic. Due to its wide application in multiple fields such as buildings, HVAC systems, and equipment containers, its structure and design also vary according to different application scenarios and functional requirements. Blinds usually consist of multiple parallel blades (also known as blind blades), and these blades can be fixed to the frame in a certain way (such as welding, riveting, screwing, etc.). Certain gaps are formed between the blades, allowing air, light, etc. to pass through, while also playing roles such as sun shading, ventilation, rain protection, and insect prevention.

[0003] For example, a double-layer blind air outlet structure with the Chinese patent publication number CN215983166U includes a first frame. A first rectangular window is opened in the middle of the first frame. Rectangular grooves are opened on the four inner walls of the first frame. A purification board is arranged in the rectangular grooves. The purification board is a hollow board, and activated carbon and chemical agents for air purification are arranged in the hollow layer. A plurality of through holes are opened on the front and back sides of the purification board. The function of the purification board can not only enable the exchange of air inside and outside, but also the activated carbon and chemical agents arranged in the hollow layer of the purification board can eliminate the peculiar smell of the internal gas. Second frames are connected to the front and back sides of the first frame. The frames of the second frames are hollow. Second rectangular windows are opened in the middle of the second frames. A plurality of blinds are arranged in the second rectangular windows. Connecting rods are connected to both ends of the blinds. One end of the connecting rod away from the blind is rotatably connected to the frame of the second frame through a bearing.

[0004] When the blind structure in the above patent is in use, it can only achieve the function of quickly removing odors. When the existing double-layer blind structure of the air outlet of an air conditioner is in use, since the internal filter element and the cover plate are both connected by bolt positioning, a large number of bolts often need to be disassembled when replacing the filter element. Therefore, a device is improved for the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a double-layer blind structure to solve the problems raised in the above background art.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a double-layer louver structure, including a connecting device, a positioning device is fixedly installed at the front end of the connecting device, and a supporting device is fixedly installed at the front end of the positioning device. The supporting device includes a synchronous rod, a pin board, a supporting cavity, a return spring, a displacement rod, a first rotating blade, a first air duct, and a second rotating blade. The first rotating blade and the second rotating blade are rotatably installed at equal intervals inside the first air duct, and the first rotating blade is located at the front end of the second rotating blade. The supporting cavities are symmetrically and fixedly installed at the top of the first air duct. The return spring is fixedly installed at the rear end inside the supporting cavity. The pin board is fixedly installed at the rear end of the return spring. The displacement rods symmetrically slide through the supporting cavity and are connected to the front end of the pin board. The synchronous rod is fixedly installed on the tops of the two pin boards.

[0007] Preferably, the positioning device includes a limiting edge strip, a positioning top cover, a filter element, and a second air duct. The limiting edge strips are symmetrically and fixedly installed on both sides inside the second air duct. The filter element is slidably inserted between the two limiting edge strips. The positioning top cover is slidably sleeved on the top of the filter element.

[0008] Preferably, the connecting device includes an air volume regulating valve and a connecting air duct. The air volume regulating valve is fixedly installed at the rear end of the connecting air duct.

[0009] Preferably, the second air duct is fixedly installed at the front end of the connecting air duct, and the first air duct is fixedly installed at the front end of the second air duct.

[0010] Preferably, an air outlet flap is installed at the front end of the second rotating blade.

[0011] Preferably, positioning holes are symmetrically formed at the top of the positioning top cover.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When the device is in use, it is connected to the external air outlet through the air volume regulating valve, so that the air volume entering the connecting air duct can be controlled. At the same time, when the synchronous rod is pulled forward, the pin board can be driven to move out of the inside of the positioning top cover, so that the filter element can be quickly removed from the inside of the second air duct, thereby facilitating the quick replacement of the filter element. At the same time, through the setting of the limiting edge strip, it is convenient for the filter element to be quickly and accurately installed into the second air duct. And, the positioning top cover can be restricted again by the pin board to prevent the filter element from sliding again, completing the work of quickly installing and disassembling the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the present utility model;

[0015] Figure 2Partial sectional view of the support device of the present utility model;

[0016] Figure 3 Structural schematic diagram of the alignment device of the present utility model;

[0017] Figure 4 Structural schematic diagram of the connection device of the present utility model.

[0018] In the figure: 1 - support device, 2 - alignment device, 3 - connection device, 4 - synchronizing rod, 5 - pin board, 6 - support cavity, 7 - return spring, 8 - displacement rod, 9 - first rotating blade, 10 - first air duct, 11 - second rotating blade, 12 - limiting edge strip, 13 - positioning top cover, 14 - filter element, 15 - second air duct, 16 - air volume regulating valve, 17 - connecting air duct. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a double-layer louver structure, including a connection device 3. A front end of the connection device 3 is fixedly installed with an alignment device 2. A front end of the alignment device 2 is fixedly installed with a support device 1. The support device 1 includes a synchronizing rod 4, a pin board 5, a support cavity 6, a return spring 7, a displacement rod 8, a first rotating blade 9, a first air duct 10, and a second rotating blade 11. The first rotating blade 9 and the second rotating blade 11 are rotatably installed at equal intervals inside the first air duct 10, and the first rotating blade 9 is located at the front end of the second rotating blade 11. The support cavities 6 are symmetrically and fixedly installed at the top of the first air duct 10. The return spring 7 is fixedly installed at the rear end inside the support cavity 6. The pin board 5 is fixedly installed at the rear end of the return spring 7. The displacement rods 8 symmetrically slide through the support cavities 6 and are connected to the front ends of the pin boards 5. The synchronizing rod 4 is fixedly installed on the tops of the two pin boards 5.

[0021] The positioning device 2 includes a limiting side strip 12, a positioning top cover 13, a filter element 14 and a second air duct 15. The limiting side strips 12 are symmetrically fixedly installed on both sides of the interior of the second air duct 15. The filter element 14 is slidably inserted between the two limiting side strips 12. The positioning top cover 13 is slidably sleeved on the top end of the filter element 14. A concave hole matching the filter element 14 is opened at the bottom end of the positioning top cover 13, so that when the positioning top cover 13 moves downward to fit the top end of the second air duct 15, the filter element 14 can be inserted into the bottom end of the positioning top cover 13 to avoid sliding displacement of the positioning top cover 13 during subsequent use.

[0022] The connecting device 3 includes an air volume regulating valve 16 and a connecting air duct 17 . The air volume regulating valve 16 is fixedly installed at the rear end of the connecting air duct 17 . The air volume inside the connecting air duct 17 can be controlled by the air volume regulating valve 16 .

[0023] The second air duct 15 is fixedly installed at the front end of the connecting air duct 17 , and the first air duct 10 is fixedly installed at the front end of the second air duct 15 . Wind can enter the interior of the first air duct 10 through the second air duct 15 .

[0024] An air outlet paddle is installed at the front end of the second rotating blade 11. By prying the air outlet paddle, the angle of the second rotating blade 11 can be adjusted.

[0025] The top of the positioning cover 13 is symmetrically provided with alignment holes to facilitate the docking of the latch plate 5 and the positioning cover 13 .

[0026] Working principle: When in use, the air volume regulating valve 16 can be connected to the air outlet of the external air conditioner. The air volume entering the interior of the connecting air duct 17 can be controlled through the air volume regulating valve 16. At the same time, when the air enters the interior of the connecting air duct 17, since the second air duct 15 communicates with the connecting air duct 17, the air can enter the interior of the first air duct 10 through the interior of the filter element 14. Through the setting of the filter element 14, impurities in the gas can be isolated. Subsequently, by rotating the first rotating blade 9 and the second rotating blade 11, the direction of the air can be changed, facilitating the blowing of the air to a specified area. When the filter element 14 needs to be replaced, the synchronous rod 4 can be moved forward, so that the synchronous rod 4 can drive the two synchronous rods 4 to displace into the interior of the support cavity 6 at the same time, causing the plug plate 5 to disengage from the positioning top cover 13. Thus, the positioning top cover 13 can lose its restriction. Subsequently, the positioning top cover 13 can be moved upward, and then the filter element 14 can be pulled out upward, so that the used filter element 14 can be taken out from the interior of the second air duct 15. Subsequently, a new filter element 14 can be inserted into the interior of the second air duct 15. Since vertical holes adapted to the filter element 14 are provided at the top end of the second air duct 15, it is convenient for the filter element 14 to be inserted into the interior of the second air duct 15 along a straight line, completing the installation work of the filter element 14. By fitting the filter element 14 with the limiting edge strip 12, the phenomenon that the bottom end of the filter element 14 is skewed can be prevented. Subsequently, the positioning top cover 13 is moved downward to the top end of the filter element 14. When the top end of the filter element 14 is slidably inserted into the bottom end of the positioning top cover 13, when the positioning top cover 13 is slidably sleeved on the top end of the filter element 14, the bottom end of the positioning top cover 13 can be fitted with the top end of the second air duct 15. Subsequently, the synchronous rod 4 can be released. Due to the elasticity of the return spring 7, the plug plate 5 will be quickly reset until the plug plate 5 is inserted into the alignment hole inside the top end of the positioning top cover 13, so that the positioning top cover 13 can be restricted and fixed on the top end of the second air duct 15. At the same time, when the plug plate 5 moves, it can drive the displacement rod 8 to displace in the interior of the support cavity 6, ensuring that the plug plate 5 moves along a straight line and improving the docking accuracy between the plug plate 5 and the positioning top cover 13, thus completing the work.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer louver structure, comprising a connecting device (3), a positioning device (2) being fixedly mounted at the front end of the connecting device (3), and a supporting device (1) being fixedly mounted at the front end of the positioning device (2), characterized in that: The support device (1) comprises a synchronization rod (4), a latch plate (5), a support cavity (6), a reset spring (7), a displacement rod (8), a first rotating blade (9), a first air duct (10) and a second rotating blade (11); the first rotating blade (9) and the second rotating blade (11) are equidistantly mounted in rotation inside the first air duct (10), and the first rotating blade (9) is located at the front end of the second rotating blade (11); the support cavity (6) is symmetrically fixedly mounted at the top end of the first air duct (10); the reset spring (7) is fixedly mounted at the rear end of the support cavity (6); the latch plate (5) is fixedly mounted at the rear end of the reset spring (7); the displacement rod (8) symmetrically slides through the support cavity (6) and is connected to the front end of the latch plate (5); and the synchronization rod (4) is fixedly mounted on the top ends of the two latch plates (5).

2. The double-layer louver structure according to claim 1, characterized in that: The alignment device (2) comprises a limiting side strip (12), a positioning top cover (13), a filter element (14) and a second air duct (15); the limiting side strip (12) is symmetrically fixedly mounted on both sides of the interior of the second air duct (15); the filter element (14) is slidably inserted between the two limiting side strips (12); and the positioning top cover (13) is slidably sleeved on the top of the filter element (14).

3. The double-layer louver structure according to claim 2, characterized in that: The connecting device (3) comprises an air volume regulating valve (16) and a connecting air duct (17), wherein the air volume regulating valve (16) is fixedly mounted at the rear end of the connecting air duct (17).

4. The double-layer louver structure according to claim 3, characterized in that: The second air duct (15) is fixedly mounted at the front end of the connecting air duct (17), and the first air duct (10) is fixedly mounted at the front end of the second air duct (15).

5. The double-layer louver structure according to claim 4, characterized in that: An air outlet paddle is installed at the front end of the second rotating blade (11).

6. The double-layer louver structure according to claim 5, characterized in that: The top end of the positioning cover (13) is symmetrically provided with alignment holes.

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