Multi-branch noise reduction air distribution box

Abstract

The utility model discloses a multi-branch noise reduction air distribution box, and belongs to the technical field of fresh air systems, the multi-branch noise reduction air distribution box comprises a box body and a connecting pipe, the box body is composed of a first box shell and a second box shell, and an air distribution space is formed between the first box shell and the second box shell; the air distribution box is novel in design and ingenious in device, when the air distribution box is installed, pipeline openings of the air inlet pipe and the connecting pipe are in butt joint through the connecting mechanisms on the air inlet pipe and the connecting pipe, then the connecting pipe is rotated by 45 degrees, a first protruding block on the air inlet pipe extends into a second groove of a second connecting buckle on the connecting pipe, and meanwhile the air distribution box is installed. The second protruding block on the connecting pipe can extend into the first groove of the first connecting buckle on the air inlet pipe, so that tight connection is formed between the air inlet pipe and the connecting pipe, operation is simple, rapid and convenient, the installation efficiency can be improved, the air distribution box can be rapidly disassembled when needing to be maintained, and therefore installation and maintenance are improved, and the service life of the air distribution box is prolonged. And the practicability of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fresh air systems, and in particular to a multi-branch sound reduction air distribution box. BACKGROUND

[0002] In the published patent with the authorized announcement number CN221881740U, a sound reduction air distribution box for a fresh air system is disclosed, which relates to the technical field of fresh air systems. The air distribution box comprises a box body, a distribution space is formed in the box body, an air inlet and a plurality of first air outlets are formed in the side wall of the box body, and the air inlet and the first air outlets are in communication with the distribution space. A sound reduction plate is arranged in the distribution space, a plurality of arc-shaped flow guide grooves are formed in the sound reduction plate, the arc-shaped flow guide grooves are arranged in one-to-one correspondence with the first air outlets, one end of each arc-shaped flow guide groove faces the air inlet, and the other end of each arc-shaped flow guide groove faces the corresponding first air outlet. The arc-shaped flow guide grooves are used for guiding the airflow from the air inlet into the corresponding first air outlet. By arranging the sound reduction plate, the airflow in the air distribution box is more stable, and the noise generated by the air distribution box can be reduced.

[0003] The sound reduction air distribution box for the fresh air system in the above patent solves the problem that the airflow in the air distribution box is not uniformly distributed, the airflow collides with the inner side wall of the air distribution box, and noise is generated. However, the patent does not provide a solution to how to efficiently, quickly and conveniently install the pipeline opening, and improve installation and maintenance.

[0004] Therefore, the application provides a multi-branch sound reduction air distribution box. Content of the utility model

[0005] The multi-branch sound reduction air distribution box provided by the application solves the problems in the background art. During installation of the air distribution box, the air inlet pipe and the connecting pipe are connected through the connecting mechanism on the air inlet pipe and the connecting pipe, the air inlet pipe and the connecting pipe are butted, the connecting pipe is rotated by 45 degrees, the first protrusion on the air inlet pipe extends into the second groove of the second connecting buckle on the connecting pipe, at the same time, the second protrusion on the connecting pipe extends into the first groove of the first connecting buckle on the air inlet pipe, and the air inlet pipe and the connecting pipe are tightly connected. The operation is simple, quick and convenient, the installation efficiency is improved, the air distribution box can be quickly disassembled when maintenance is required, the installation and maintenance are improved, and the practicability of the device is greatly improved.

[0006] In order to achieve the above-mentioned purpose, the application adopts the following technical solutions:

[0007] The utility model provides a kind of multi-branch sound attenuation air distribution box, including box and connecting pipe, the box is made of first box shell and second box shell, air distribution space is arranged between the first box shell and second box shell, air inlet pipe is fixedly connected between the first box shell and second box shell and located inside the box, a plurality of first air outlet pipe is fixedly connected between the first box shell and second box shell and located at both sides of the box, second air outlet pipe is fixedly connected between the first box shell and second box shell and located at the side away from air inlet pipe, connection mechanism is provided on air inlet pipe and connecting pipe.

[0008] As a preferred embodiment, the outer part of the air inlet pipe is fixedly connected with two first connecting buckles, the inner part of the two first connecting buckles is provided with a first groove, and the outer part of the air inlet pipe and the side of the first connecting buckle are fixedly connected with two first protrusions.

[0009] By setting the first connecting assembly, the first connecting buckle, the first groove and the first protrusion, the air inlet pipe of the air distribution box can be quickly connected or disassembled with the second connecting assembly on the connecting pipe, the installation and maintenance are improved, and the practicality of the device is improved.

[0010] As a preferred embodiment, the outer part of the connecting pipe is fixedly connected with two second connecting buckles, the inner part of the two second connecting buckles is provided with a second groove, and the outer part of the connecting pipe and the side of the second connecting buckle are fixedly connected with two second protrusions.

[0011] By setting the second connecting assembly, the second connecting buckle, the second groove and the second protrusion, the air inlet pipe of the air distribution box can be quickly connected or disassembled, the installation and maintenance are improved, and the practicality of the device is improved.

[0012] As a preferred embodiment, the air inlet of the air inlet pipe is fixedly connected with a first sealing ring, and the inner part of the connecting pipe is fixedly connected with a second sealing ring.

[0013] By setting the first sealing ring and the second sealing ring, the sealing between the air inlet pipe and the connecting pipe can be improved during the use of the air distribution box, the stability of the air body during transportation is ensured, and the practicality of the device is improved.

[0014] As a preferred embodiment, the air inlet pipe includes an air inlet, the first air outlet pipe includes a first air outlet, and the second air outlet pipe includes a second air outlet, and the air inlet, the first air outlet and the second air outlet are communicated with the air distribution space.

[0015] By setting the second air outlet pipe, the air inlet can directly guide the airflow into the second air outlet, so that the airflow does not need to impact the inner side wall of the air distribution space or only a small part of the airflow impacts, so that the noise generated by the air distribution box can be reduced, and the practicality of the device is improved.

[0016] As a preferred implementation, the inside of the box is provided with two soundproof plates, one of which is located in the first box shell, and the other is located in the second box shell.

[0017] By setting the soundproof plate, the airflow in the air distribution box is more stable, which can reduce the noise generated by the air distribution box, thereby improving the practicability of the device.

[0018] As a preferred implementation, two soundproof plates are oppositely provided with a plurality of arc-shaped flow guide grooves, one end of each arc-shaped flow guide groove is communicated with the air inlet pipe, and the other end is communicated with the first air outlet pipe.

[0019] By setting the arc-shaped flow guide groove on the soundproof plate, the airflow can be directly sent into the corresponding first air outlet pipe along the arc-shaped flow guide groove. Due to the arc-shaped transition, the impact of the airflow on the inner side wall of the air distribution space is reduced, and the noise is reduced, thereby improving the practicability of the device.

[0020] As a preferred implementation, the inside of the box is provided with two sound-absorbing cottons, one of which is located on the top of the soundproof plate in the first box shell, and the other is located on the bottom of the soundproof plate in the second box shell.

[0021] By cooperating the sound-absorbing cotton and the soundproof plate, the noise generated by the airflow is absorbed, thereby reducing the noise generated by the air distribution box, thereby improving the practicability of the device.

[0022] The beneficial effects of the present application are:

[0023] 1. The multi-branch sound attenuation air distribution box, when the air distribution box is installed, the connecting mechanism on the air inlet pipe and the connecting pipe is used to butt joint the pipe openings of the air inlet pipe and the connecting pipe, then the connecting pipe is rotated by forty-five degrees, the first protrusion on the air inlet pipe is extended into the second groove of the second connecting buckle on the connecting pipe, at the same time, the second protrusion on the connecting pipe is extended into the first groove of the first connecting buckle on the air inlet pipe, so that the air inlet pipe and the connecting pipe are tightly connected, which is simple, fast and convenient, can improve the installation efficiency, and can quickly disassemble when the air distribution box needs to be maintained, thereby improving the installation and maintenance, and greatly improving the practicability of the device.

[0024] 2. The multi-branch sound attenuation air distribution box, by setting the first sealing ring and the second sealing ring, when the air inlet pipe and the connecting pipe are connected, the sealing between the two can be improved during the use of the air distribution box, ensuring the stability of the airflow during the conveying process, greatly improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1It is the internal side view of the device of the application;

[0026] Fig. 2 It is the connecting mechanism schematic view of the device of the application;

[0027] Fig. 3 It is the box appearance schematic view of the device of the application.

[0028] Figure label: 1, box; 11, air distribution space; 111, first box shell; 112, second box shell; 2, air inlet pipe; 21, air inlet; 3, first air outlet pipe; 31, first air outlet; 4, second air outlet pipe; 41, second air outlet; 5, sound absorbing cotton; 6, soundproof board; 7, arc-shaped flow guide groove; 8, connecting pipe; 9, first connecting buckle; 91, first groove; 92, first protrusion; 93, first sealing ring; 10, second connecting buckle; 101, second groove; 102, second protrusion; 103, second sealing ring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all embodiments.

[0030] Reference Figs. 1-3 A multi-branch sound attenuation air distribution box, comprising a box 1 and a connecting pipe 8, the box 1 is composed of a first box shell 111 and a second box shell 112, a first box shell 111 and a second box shell 112 are provided with an air distribution space 11, a first box shell 111 and a second box shell 112 are fixedly connected between the air inlet pipe 2 inside the box 1, a plurality of first air outlet pipes 3 are fixedly connected between the first box shell 111 and the second box shell 112 on both sides of the box 1, a second air outlet pipe 4 is fixedly connected between the first box shell 111 and the second box shell 112 away from the air inlet pipe 2, and a connecting mechanism is provided on the air inlet pipe 2 and the connecting pipe 8.

[0031] The air inlet pipe 2 is fixedly connected with two first connecting buckles 9, the first connecting buckles 9 are provided with a first groove 91, and the air inlet pipe 2 is fixedly connected with two first protrusions 92 on one side of the first connecting buckle 9; by setting the first connecting assembly, the first connecting buckle 9, the first groove 91 and the first protrusion 92, the first connecting assembly can be quickly connected or disassembled with the second connecting assembly on the connecting pipe 8, the installation and maintenance are improved, and the practicability of the device is improved.

[0032] The outer part of the connecting pipe 8 is fixedly connected with two second connecting buckles 10, the inner part of each of the two second connecting buckles 10 is provided with a second groove 101, and the outer part of the connecting pipe 8 and on one side of the second connecting buckle 10 is fixedly connected with two second protrusions 102.

[0033] The inner part of the connecting pipe 8 is fixedly connected with a second sealing ring 103; through the setting of the first sealing ring 93 and the second sealing ring 103, when the air inlet pipe 2 is connected with the connecting pipe 8, the sealing property between the two can be improved during the use of the air distribution box, the stability of the air body in the conveying process is ensured, and thus the practicability of the device is improved.

[0034] The air inlet pipe 2 comprises an air inlet 21, the first air outlet pipe 3 comprises a first air outlet 31, the second air outlet pipe 4 comprises a second air outlet 41, and the air inlet 21, the first air outlet 31 and the second air outlet 41 are all communicated with the air distribution space 11; through the setting of the second air outlet pipe 4, the air inlet 21 can directly guide the airflow into the second air outlet 41, so that the airflow does not need to impact the inner side wall of the air distribution space 11 or only a small part of the airflow impacts, and thus the noise generated by the air distribution box can be reduced, and the practicability of the device is improved.

[0035] The inner part of the box body 1 is provided with two soundproof plates 6, one of which is located in the first box shell 111 and the other of which is located in the second box shell 112; through the setting of the soundproof plate 6, the airflow in the air distribution box flows more stably, the noise generated by the air distribution box can be reduced, and thus the practicability of the device is improved.

[0036] The two soundproof plates 6 are oppositely provided with a plurality of arc-shaped flow guide grooves 7, one end of each arc-shaped flow guide groove 7 is communicated with the air inlet pipe 2, and the other end is communicated with the first air outlet pipe 3; through the setting of the arc-shaped flow guide groove 7 on the soundproof plate 6, the airflow can be directly sent into the corresponding first air outlet pipe 3 along the arc-shaped flow guide groove 7, and due to the adoption of the arc-shaped transition mode, the impact of the airflow on the inner side wall of the air distribution space 11 can be reduced, the generation of noise can be reduced, and thus the practicability of the device is improved.

[0037] The inner part of the box body 1 is provided with two sound-absorbing cottons 5, one of which is located on the top of the soundproof plate 6 in the first box shell 111 and the other of which is located on the bottom of the soundproof plate 6 in the second box shell 112; through the cooperation of the sound-absorbing cotton 5 and the soundproof plate 6, the noise generated by the airflow is absorbed, and thus the noise generated by the air distribution box can be reduced, and the practicability of the device is improved.

[0038] Working principle: when installing the air distribution box, the connecting mechanism on the air inlet pipe 2 and the connecting pipe 8 is used to firstly butt the pipe openings of the air inlet pipe 2 and the connecting pipe 8. When butt joint, the first connecting buckle 9 on the air inlet pipe 2 is staggered with the second connecting buckle 10 on the connecting pipe 8, so that the two first connecting buckles 9 and the two second connecting buckles 10 form a cross. Then, the connecting pipe 8 is rotated by 45 degrees, so that the first protrusion 92 on the air inlet pipe 2 extends into the second recess 101 of the second connecting buckle 10 on the connecting pipe 8. At the same time, the second protrusion 102 on the connecting pipe 8 extends into the first recess 91 of the first connecting buckle 9 on the air inlet pipe 2, so that the air inlet pipe 2 and the connecting pipe 8 are tightly connected. The operation is simple, fast and convenient, which can improve the installation efficiency and quickly disassemble the air distribution box when it needs to be maintained, thereby improving the installation and maintenance. By setting the first sealing ring 93 and the second sealing ring 103, the sealing between the air inlet pipe 2 and the connecting pipe 8 can be improved during the use of the air distribution box, so as to ensure the stability of the air flow during the conveying process.

[0039] By setting the mute plate 6, the flow of air in the air distribution box is more stable, which can reduce the noise generated by the air distribution box. By cooperating the sound-absorbing cotton 5 and the mute plate 6, the noise generated by the air flow is absorbed, thereby reducing the noise generated by the air distribution box. By opening the second air outlet pipe 4, the air inlet 21 can directly guide the air flow into the second air outlet 41, so that the air flow does not need to impact the inner side wall of the air distribution space 11 or only a small part of the air flow impacts, so that the noise generated by the air distribution box can be reduced. By setting the arc-shaped flow guide groove 7 on the mute plate 6, the air flow can be directly sent into the corresponding first air outlet pipe 3 along the arc-shaped flow guide groove 7. Since the arc-shaped transition mode is adopted, the impact of the air flow on the inner side wall of the air distribution space 11 can be reduced, and the generation of noise can be reduced.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A multi-branch silencing air box, comprising a box body (1) and a connecting pipe (8), characterized in that: The box body (1) is composed of a first box shell (111) and a second box shell (112), an air distribution space (11) is provided between the first box shell (111) and the second box shell (112), an air inlet pipe (2) is fixedly connected between the first box shell (111) and the second box shell (112) and located inside the box body (1), a plurality of first air outlet pipes (3) are fixedly connected between the first box shell (111) and the second box shell (112) and located on both sides of the box body (1), a second air outlet pipe (4) is fixedly connected between the first box shell (111) and the second box shell (112) and on a side away from the air inlet pipe (2), and a connecting mechanism is provided on the air inlet pipe (2) and the connecting pipe (8).

2. A multi-branch sound-absorbing air box according to claim 1, characterized in that: The outside of the air inlet pipe (2) is fixedly connected to two first connecting buckles (9), and the insides of the two first connecting buckles (9) are both provided with first grooves (91). The outside of the air inlet pipe (2) is fixedly connected to two first protrusions (92) located on one side of the first connecting buckles (9).

3. The multi-branch sound-absorbing air box according to claim 1, characterized in that: Two second connection buckles (10) are fixedly connected to the outside of the connection tube (8), and second grooves (101) are provided inside the two second connection buckles (10). Two second protrusions (102) are fixedly connected to the outside of the connection tube (8) and located on one side of the second connection buckle (10).

4. The multi-branch sound-absorbing air box according to claim 1, characterized in that: A first sealing ring (93) is fixedly connected inside the air inlet (21) of the air inlet pipe (2), and a second sealing ring (103) is fixedly connected inside the connecting pipe (8).

5. The multi-branch sound-absorbing air box according to claim 1, characterized in that: The air inlet pipe (2) includes an air inlet (21), the first air outlet pipe (3) includes a first air outlet (31), and the second air outlet pipe (4) includes a second air outlet (41). The air inlet (21), the first air outlet (31), and the second air outlet (41) are all in communication with the air distribution space (11).

6. The multi-branch sound-absorbing air box according to claim 1, characterized in that: A silent plate (6) is provided inside the box body (1), and there are two silent plates (6), one of which is located in the first box shell (111), and the other of which is located in the second box shell (112).

7. The multi-branch sound-absorbing air box according to claim 6, characterized in that: The two mute plates (6) are provided with a plurality of arc-shaped guide grooves (7) facing each other, and one end of each arc-shaped guide groove (7) is connected to the air inlet pipe (2), and the other end is connected to the first air outlet pipe (3).

8. The multi-branch sound-absorbing air box according to claim 1, characterized in that: Two sound-absorbing cottons (5) are arranged inside the box body (1), wherein one of the sound-absorbing cottons (5) is located on the top of the mute board (6) in the first box shell (111), and the other sound-absorbing cotton (5) is located on the bottom of the mute board (6) in the second box shell (112).

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