Silencer damping structure

Abstract

The utility model discloses a silencer damping structure, which relates to the technical field of silencers, and comprises a sound-absorbing sleeve, a silencing component is arranged in the sound-absorbing sleeve, the silencing component comprises a pair of sound-insulating plates, the sound-insulating plates are respectively fixed with two ends in the sound-absorbing sleeve, an input pipe penetrates through and is fixedly connected between the sound-insulating plates, and the input pipe is fixedly connected with the sound-absorbing sleeve. According to the utility model, sound waves sequentially enter one end of the metal corrugated hose, one end of the input pipe and one end of the sound insulation plate through the threaded connector, and the sound waves enter the other end of the guide pipe and the other end of the sound insulation plate by virtue of rebound, so that the sound insulation effect is improved, and the sound insulation effect is improved. And in the process, the sound waves in different vibration directions are discharged through the silencing holes in the input pipe and the guide pipe and collide with one another to be counteracted, so that the absorption of the sound waves in the sound absorption sleeve is improved, and the sound absorption effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to muffler technical field more specifically, the utility model relates to a kind of muffler shock-absorbing structure. BACKGROUND

[0002] Muffler shock-absorbing structure is usually to reduce noise, reduce vibration when machine or equipment runs, and improve the stability and comfort of system.

[0003] The prior art (announcement number: CN220749430U) discloses a kind of muffler shock-absorbing structure, the device is cooperated by muffler, metal corrugated hose, mounting plate, air vent, shock-absorbing mechanism etc., solve the common muffler shock-absorbing effect is poor, thereby easily damaged internal parts and external shell by oscillation Problem.

[0004] But the above-mentioned device when using, due to the interior of sound absorber adopts single-channel sound-absorbing sleeve design, sound wave is discharged after being absorbed once, reduces the sound-absorbing effect of device.

[0005] Therefore, we propose a kind of muffler shock-absorbing structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of muffler shock-absorbing structure to solve the problem that the interior of sound absorber adopts single-channel sound-absorbing sleeve design in prior art, sound wave is discharged after being absorbed once, reduces the sound-absorbing effect of device.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of muffler shock-absorbing structure, including sound-absorbing sleeve, the inside of the sound-absorbing sleeve is provided with sound-absorbing component, the sound-absorbing component includes a pair of sound insulation board, the sound insulation board is fixed with the both ends in the sound-absorbing sleeve respectively, the sound insulation board is fixedly connected with the input pipe and is penetrated between, the input pipe is penetrated one end of the sound-absorbing sleeve, the top of the input pipe is provided with guide pipe, the guide pipe is penetrated sound insulation board and is fixed with it, the bottom of the input pipe is provided with output pipe, the output pipe is penetrated sound insulation board and is fixed with it, the output pipe is penetrated the other end of the sound-absorbing sleeve, the outer wall of the input pipe, guide pipe is equipped with a plurality of sound-absorbing holes.

[0008] Preferably, the outer wall of the sound-absorbing sleeve is fixedly connected with sleeve pipe, one end of the input pipe is fixedly connected with metal corrugated hose, one end of the metal corrugated hose is penetrated sleeve pipe and is fixed with it, one end of the sleeve pipe is fixedly connected with threaded connector.

[0009] Preferably, the sound-absorbing hole is arranged between the sound insulation board.

[0010] Preferably, the input pipe, the metal corrugated hose and the threaded connector are connected in series.

[0011] Preferably, the sleeve and the sound absorption sleeve are provided with a plurality of damping assemblies.

[0012] Preferably, the damping assembly comprises a pair of fixed blocks fixed to the inner wall of the sleeve, a sliding rod fixedly connected between the fixed blocks, springs sleeved on both ends of the outer wall of the sliding rod, a pair of sliding plates provided between the springs and slidably connected with the sliding rod, a damper fixedly connected between the sliding plates, fixed seats fixedly connected to the sliding plates close to the sound absorption sleeve, a plurality of connecting seats fixedly connected to the outer wall of the sound absorption sleeve, and connecting rods rotatably connected between the fixed seats and the connecting seats.

[0013] Preferably, the connecting rods are in V shape.

[0014] Compared with the prior art, the device has the advantages that:

[0015] The sound wave enters the metal corrugated hose, the input pipe and one end of the sound insulation board in sequence through the threaded connector, and enters the guide pipe and the other end of the sound insulation board by means of rebounding, and then enters the output pipe and is discharged after rebounding. In this process, the sound waves with different vibration directions are discharged through the sound holes on the input pipe and the guide pipe and collide with each other to cancel out, so as to improve the absorption of the sound wave in the sound absorption sleeve and improve the sound absorption effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view of the device;

[0017] Figure 2 is a sectional view of the device;

[0018] Figure 3 is a structure view of the sound attenuation assembly;

[0019] Figure 4 is a structure view of the damping assembly.

[0020] REFERENCE NUMERALS

[0021] 1, sleeve; 2, sound absorption sleeve; 3, sound attenuation assembly; 301, sound insulation board; 302, input pipe; 303, guide pipe; 304, output pipe; 305, sound hole; 4, damping assembly; 401, fixed block; 402, sliding rod; 403, spring; 404, sliding plate; 405, damper; 406, fixed seat; 407, connecting seat; 408, connecting rod; 5, metal corrugated hose; 6, threaded connector. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.

[0023] It is emphasized that, in the present application, the sleeve 1, the sound-absorbing sleeve 2, the metal corrugated hose 5 and the threaded connector 6 are prior art disclosed in the publication number CN220749430U.

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 The utility model discloses an embodiment provides a muffler shock absorbing structure, including sound-absorbing sleeve 2, the inside of sound-absorbing sleeve 2 is provided with sound-absorbing assembly 3, sound-absorbing assembly 3 includes a pair of sound insulation board 301, sound insulation board 301 respectively with the both ends in the sound-absorbing sleeve 2 fixed, and the input pipe 302 is fixedly connected and is penetrated between sound insulation board 301, and one end of input pipe 302 is penetrated one end of sound-absorbing sleeve 2, and the top of input pipe 302 is provided with guide pipe 303, and guide pipe 303 is penetrated sound insulation board 301 and is fixed with it, and the bottom of input pipe 302 is provided with output pipe 304, and output pipe 304 is penetrated sound insulation board 301 and is fixed with it, and one end of output pipe 304 is penetrated the other end of sound-absorbing sleeve 2, and the outer wall of input pipe 302, guide pipe 303 is provided with a plurality of sound-absorbing holes 305, and the outer wall of sound-absorbing sleeve 2 is fixedly connected with sleeve 1, and one end of input pipe 302 is fixedly connected with metal corrugated hose 5, and one end of metal corrugated hose 5 is penetrated sleeve 1 and is fixed with it, and one end of sleeve 1 is fixedly connected with threaded connector 6, and sound-absorbing hole 305 is arranged between sound insulation board 301, and the inside of input pipe 302, metal corrugated hose 5, threaded connector 6 is connected.

[0025] In the embodiment, the sound wave enters the metal corrugated hose 5, the input pipe 302 and one end of the sound insulation board 301 in sequence through the threaded connector 6, and enters the guide pipe 303 and the other end of the sound insulation board 301 by means of rebound, and then enters the output pipe 304 and is discharged after rebound, wherein the sound waves of different vibration directions are discharged through the sound-absorbing holes 305 on the input pipe 302 and the guide pipe 303 and collide with each other to be cancelled out, so as to improve the absorption of the sound waves in the sound-absorbing sleeve 2 and improve the sound-absorbing effect of the device.

[0026] A plurality of damping assemblies 4 are arranged between the sleeve 1 and the sound-absorbing sleeve 2, the damping assembly 4 comprises a pair of fixed blocks 401 fixed with the inner wall of the sleeve 1, the fixed blocks 401 are fixedly connected with a sliding rod 402, the outer wall of the sliding rod 402 is sleeved with springs 403 at both ends, a pair of sliding plates 404 are arranged between the springs 403, the sliding rod 402 penetrates through and is in sliding connection with the sliding plates 404, the sliding plates 404 are fixedly connected with dampers 405, the sliding plates 404 are fixedly connected with fixed seats 406 in the direction close to the sound-absorbing sleeve 2, a plurality of connecting seats 407 are fixedly connected with the outer wall of the sound-absorbing sleeve 2, the fixed seats 406 and the connecting seats 407 are rotatably connected with connecting rods 408, and the connecting rods 408 are in V-shaped arrangement.

[0027] In the embodiment, the mechanical vibration in the sound-absorbing sleeve 2 first extrudes the connecting rods 408, the connecting rods 408 push the sliding plates 404 to slide away from the sliding rod 402 by means of the fixed seats 406 and the connecting seats 407, at the same time, the sliding plates 404 extrude the springs 403 and complete the buffering of the vibration, and the rebound of the springs 403 buffers by means of the dampers 405, so that the damping operation of the sound-absorbing sleeve 2 is realized.

[0028] The working process of the utility model is as follows:

[0029] Firstly, as shown in the announcement number: CN220749430U, the installation operation of the device is completed by means of the threaded connector 6;

[0030] Then, the sound wave enters the metal corrugated hose 5 and the sound-absorbing sleeve 2 in sequence through the threaded connector 6;

[0031] Then, the sound wave completes the sound-absorbing operation through the sound-absorbing assembly 3 in the sound-absorbing sleeve 2;

[0032] Finally, the mechanical vibration generated in the use process is buffered by means of the damping assembly 4.

[0033] Some points should be explained:

[0034] Firstly, in the description of the application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0035] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the utility model, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0036] Finally: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A damper structure of a muffler comprising a sound absorbing jacket (2), characterized by, The inside of the sound absorption sleeve (2) is provided with a sound absorption assembly (3), the sound absorption assembly (3) comprises a pair of sound insulation boards (301), the sound insulation boards (301) are fixed at both ends of the inside of the sound absorption sleeve (2) respectively, an input pipe (302) is fixedly connected and penetrates between the sound insulation boards (301), one end of the input pipe (302) penetrates one end of the sound absorption sleeve (2), a guide pipe (303) is arranged at the top of the input pipe (302), the guide pipe (303) penetrates and is fixed to the sound insulation board (301), an output pipe (304) is arranged at the bottom of the input pipe (302), the output pipe (304) penetrates and is fixed to the sound insulation board (301), one end of the output pipe (304) penetrates the other end of the sound absorption sleeve (2), a plurality of sound absorption holes (305) are formed in the outer wall of the input pipe (302) and the guide pipe (303).

2. The muffler and damper structure according to claim 1, wherein The outer wall of the sound absorption sleeve (2) is fixedly connected with a sleeve pipe (1), one end of the input pipe (302) is fixedly connected with a metal corrugated hose (5), one end of the metal corrugated hose (5) penetrates and is fixed to the sleeve pipe (1), one end of the sleeve pipe (1) is fixedly connected with a threaded connector (6).

3. The muffler and damper structure according to claim 1, wherein The sound absorption holes (305) are arranged between the sound insulation boards (301).

4. The muffler and damper structure according to claim 2, wherein The input pipe (302), the metal corrugated hose (5) and the threaded connector (6) are connected.

5. The muffler and damper structure according to claim 2, wherein A plurality of damping assemblies (4) are arranged between the sleeve pipe (1) and the sound absorption sleeve (2).

6. The muffler and damper structure according to claim 5, wherein The damping assembly (4) comprises a pair of fixed blocks (401), the fixed blocks (401) are fixed to the inner wall of the sleeve pipe (1), a sliding rod (402) is fixedly connected between the fixed blocks (401), springs (403) are arranged at both ends of the outer wall of the sliding rod (402), a pair of sliding plates (404) are arranged between the springs (403), the sliding rod (402) penetrates and is slidingly connected to the sliding plates (404), a damper (405) is fixedly connected between the sliding plates (404), fixed seats (406) are fixedly connected to the sliding plates (404) close to the sound absorption sleeve (2), a plurality of connecting seats (407) are fixedly connected to the outer wall of the sound absorption sleeve (2), and connecting rods (408) are rotatably connected between the fixed seats (406) and the connecting seats (407).

7. The muffler and damper structure according to claim 6, wherein The connecting rods (408) are V-shaped.

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