Silencing bag
By designing "S"-type channels in the silence package and installing silence cotton, the problem of short noise flow path of the existing silence package is solved, and the noise silence effect of the noise is significantly improved.
Patent Information
- Application Number
- CN202420353230.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-26
AI Technical Summary
The existing silencer package has a short flow path between the intake pipe and the exhaust port, resulting in poor noise silencing.
A sound silencer package is designed, including a housing, support plate, transmission piece, fixing plate and mounting plate, forming a "S"-shaped channel through circulation grooves, curve grooves and threaded rings, increasing the noise flow path, and installing it on the mounting plate Sound silence cotton to enhance sound silence effect.
The noise flow path is effectively expanded. Through the design of threaded rings and curved grooves, after the noise enters from the air inlet, it diffuses through multiple air outlets. The installation of the silencer cotton further reduces the noise level and significantly improves the silencer effect.
Smart Images
Figure CN222208205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compressors, and more specifically, to a silencer bag. Background Art
[0002] Audio is an electronic device used to play sounds. Audio refers to other sounds besides human speech and music, including sounds from the natural environment, animal sounds, machine tool sounds, various sounds from human movements, etc. Audio mainly includes power amplifiers, peripheral equipment (including compressors, effectors, equalizers, VCDs, DVDs, etc.), speakers (speakers, speakers), mixers, microphones, display devices, etc. Among them, speakers are sound output devices, speakers, subwoofers, etc.
[0003] For example, the authorization announcement number CN 218760308 U discloses a silencer bag, which includes a shell with a cavity inside. The shell has an air inlet and an air outlet at both ends, respectively. The air inlet and the air outlet are respectively connected to an air inlet pipe and an air outlet pipe. A docking piece is provided in the cavity, and the docking piece is placed on the installation path of the air inlet pipe. The docking piece includes an outer ring component and a conversion head. The conversion head is placed at the center of the outer ring component. A socket for inserting the air inlet pipe is provided on one end of the conversion head, and two exhaust ports with opposite opening directions are provided on the other end of the conversion head. The diameter of the exhaust port is larger than the diameter of the socket.
[0004] In the above, a docking piece is provided, the air intake pipe and the adapter of the docking piece are docked during installation, and the two exhaust ports of the adapter are used to achieve diversion. Since the distance between the air intake pipe and the two exhaust ports is short, the flow path of the noise between the air intake pipe and the two exhaust ports is short, and it is difficult to achieve a good silencing effect. Utility Model Content
[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a silencer bag with a longer silencer path.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A silencer package comprises a shell, an air inlet is provided on the shell, an exhaust chamber is provided in the shell, a support plate, a transmission member, a fixing plate and a mounting plate are provided in the exhaust chamber, the support plate and the fixing plate are fixedly connected to the inner wall of the exhaust chamber, both sides of the mounting plate are fixedly connected to the support plate and the fixing plate, the transmission member is placed between the support plate and the fixing plate, a plurality of air outlets are provided between the fixing plate and the shell, a flow groove 1 is reserved between the support plate and the transmission member for noise circulation, a flow groove 2 is reserved between the fixing plate and the transmission member, the flow groove 2 is connected to the air outlet, a curved groove is provided on the transmission member, the curved grooves are connected to the flow groove 1 and the flow groove 2, and the flow groove 1, the curved groove and the flow groove 2 form an "S" shape.
[0008] The utility model is further configured as follows: a column connected to the inner wall of the exhaust chamber is arranged in the curved groove, a thread ring is spirally arranged on the outer wall of the column, and the convex end surface of the thread ring abuts against the inner wall of the curved groove.
[0009] The utility model is further configured as follows: a channel for noise circulation is formed between the concave end surface of the thread ring and the curved groove, one end of the channel is connected to the first circulation groove, and the other end is connected to the second circulation groove.
[0010] The utility model is further configured as follows: sound-absorbing cotton is installed on the installation plate, and the sound-absorbing cotton is placed between the curved groove and the second flow groove.
[0011] By adopting the above technical solution, the beneficial effects of the utility model are:
[0012] The noise enters from the air inlet, enters from one end of the curved groove through the circulation groove 1, flows out from the other end of the curved groove along the channel between the thread ring on the column and the curved groove, and is transmitted to the circulation groove 2, so that the noise diffuses from the eight air outlets in sequence. Since the mounting plate is equipped with silencer cotton, the noise can be effectively reduced when it is transmitted from the curved groove to the circulation groove 2. A channel for noise circulation is formed through the circulation groove 1, the "S" shape between the curved groove and the circulation groove 2, and the concave end face of the thread ring and the curved groove, thereby increasing the silencer path. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A cross-sectional view of an embodiment of the utility model;
[0014] Figure 2 It is a schematic diagram of the structure between the fixing plate and the shell of the present invention.
[0015] Shell 1, air inlet 2, support plate 3, transmission member 4, fixing plate 5, mounting plate 6,
[0016] Air outlet 7, circulation slot 1 8, circulation slot 2 9, curved slot 10, column 11, thread ring 12, channel 13, and sound-absorbing cotton 14. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0019] like Figure 1 to Figure 2 As shown, the silencer package includes a shell 1, an air inlet 2 is opened on the shell 1, an exhaust chamber is provided in the shell 1, a support plate 3, a transmission member 4, a fixing plate 5 and a mounting plate 6 are installed in the exhaust chamber, and the support plate 3 and the fixing plate 5 are fixedly connected to the inner wall of the exhaust chamber.
[0020] The transmission member 4 is placed between the support plate 3 and the fixed plate 5, and eight air outlets 7 for noise dissipation are provided between the fixed plate 5 and the shell 1. A flow groove 1 8 for noise circulation is reserved between the support plate 3 and the transmission member 4, and a flow groove 2 9 is reserved between the fixed plate 5 and the transmission member 4. The flow groove 2 9 is connected to the air outlet 7. A curved groove 10 is provided on the transmission member 4, and the curved grooves 10 are connected to the flow groove 1 8 and the flow groove 2 9. The flow groove 1 8, the curved groove 10 and the flow groove 2 9 form an "S" shape, so that the noise flows from the air inlet 2, the flow groove 1 8, the curved groove 10, the flow groove 2 9 and the air outlet 7 in sequence.
[0021] A column 11 is installed in the curved groove 10, and a thread ring 12 is spirally installed on the outer wall of the column 11. The convex end surface of the thread ring 12 abuts against the inner wall of the curved groove 10, and a channel 13 for noise circulation is formed between the concave end surface of the thread ring 12 and the curved groove 10. One end of the channel 13 is connected to the circulation groove 1 8, and the other end is connected to the circulation groove 2 9.
[0022] When noise enters from one end of the curved groove 10 , it will enter from one end of the concave end face of the thread ring 12 , and the noise will flow back in the channel 13 to the other end of the concave end face of the thread ring 12 , and finally the noise will be transmitted to the other end of the curved groove 10 .
[0023] The mounting plate 6 is provided with a sound-absorbing cotton 14, which is placed between the curved groove 10 and the flow groove 2 9 to effectively absorb noise.
[0024] Working principle: Noise enters from the air inlet 2, enters from one end of the curved groove 10 through the circulation groove 18, and flows out from the other end of the curved groove 10 along the channel 13 between the thread ring 12 on the column 11 and the curved groove 10, and is transmitted to the circulation groove 2 9, so that the noise is diffused from the eight air outlets 7 in sequence. Since the sound-absorbing cotton 14 is installed on the mounting plate 6, the noise can be effectively reduced when it is transmitted from the curved groove 10 to the circulation groove 2 9. The "S" shape between the circulation groove 18, the curved groove 10 and the circulation groove 2 9, and the concave end face of the thread ring 12 and the curved groove 10 form a channel 13 for noise to flow, thereby increasing the silencing path.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.
Claims
1. A sound-absorbing package, comprising a shell (1), characterized in that: The housing (1) is provided with an air inlet (2). The housing (1) has an exhaust chamber therein, and a support plate (3), a transmission member (4), a fixing plate (5) and a mounting plate (6) are arranged in the exhaust chamber. The support plate (3) and the fixing plate (5) are both fixedly connected to the inner wall of the exhaust chamber, both sides of the mounting plate (6) are fixedly connected to the support plate (3) and the fixing plate (5), and the transmission member (4) is placed between the support plate (3) and the fixing plate (5). A plurality of air outlets (7) are provided between the fixing plate (5) and the housing (1). A flow groove (8) is provided between the support plate (3) and the transmission member (4) for noise to flow through. A second flow groove (9) is provided between the fixed plate (5) and the transmission member (4), and the second flow groove (9) is connected to the air outlet (7). The transmission member (4) is provided with a curved groove (10). The curved groove (10) is connected to the circulation groove 1 (8) and the circulation groove 2 (9). The circulation groove 1 (8), the curved groove (10) and the circulation groove 2 (9) form an "S" shape.
2. A sound-absorbing bag according to claim 1, characterized in that: A column (11) connected to the inner wall of the exhaust chamber is arranged in the curved groove (10), a thread ring (12) is spirally arranged on the outer wall of the column (11), and a convex end surface of the thread ring (12) abuts against the inner wall of the curved groove (10).
3. A sound-absorbing bag according to claim 2, characterized in that: A channel (13) for noise circulation is formed between the concave end surface of the thread ring (12) and the curved groove (10); one end of the channel (13) is connected to the first circulation groove (8), and the other end is connected to the second circulation groove (9).
4. A sound-absorbing bag according to claim 1, characterized in that: The mounting plate (6) is provided with a sound-absorbing cotton (14), and the sound-absorbing cotton (14) is placed between the curved groove (10) and the second circulation groove (9).