CN209838499U

CN209838499U - Automobile exhaust device with noise reduction function

Info

Publication number: CN209838499U
Application number: CN201920277515.4U
Authority: CN
Inventors: 李松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2019-12-24
Anticipated expiration: 2029-03-04

Abstract

The utility model relates to the technical field of automobile silencing equipment, in particular to an automobile exhaust device with a noise reduction function, which comprises an installation base and a damping cylinder, wherein the installation base is arranged into a T-shaped circular base, evenly-arranged installation threaded holes are arranged around the left side bottom plate of the installation base, a damping cylinder is fixedly inserted into the right end inner cavity of the installation base, an silencing device is transversely and fixedly inserted into the inner cavity of the damping cylinder, evenly-arranged damping springs are arranged between the outer side wall of the silencing device and the inner side wall of the damping cylinder, an installation clamping groove is arranged on the right end opening side wall of the damping cylinder, and the installation clamping groove is arranged into an L-shaped inner buckling groove, realizing higher economic value.

Description

Automobile exhaust device with noise reduction function

Technical Field

The utility model relates to an automobile silencing equipment technical field specifically is an automobile exhaust apparatus with subduct noise function.

Background

Silencers are a device that prevents sound transmission while allowing airflow through, and are an important measure for eliminating aerodynamic noise. The device for reducing noise is mainly arranged on an airflow channel of aerodynamic equipment or in an air inlet system and an air outlet system. Along with the progress of science and technology, the car has obtained more and more extensive application in people's life, and people when selecting the car, the comfort level of taking and good experience sense when driving have become the leading choice, and the automobile muffler can effectively reduce the noise that automobile engine brought and the vibration sense that produces the automobile body.

For example, the chinese patent application No. cn201520931745.x discloses an automobile muffler, which comprises a cylindrical housing and a connecting pipe inserted in the housing, wherein two ends of the connecting pipe are respectively communicated with an air pipe, the outer end of the air pipe extends out of the housing, the inner side wall of the air pipe is provided with a plurality of first air outlet holes, the side wall of the connecting pipe is provided with a plurality of second air outlet holes, the outer side walls of the outer ends of the two air pipes are respectively provided with an annular shoulder attached to the end surface of the housing, the annular shoulder is fixed with the housing in a sealing way, the outer side walls of the connecting pipe and the air pipe are cylindrical, the outer side wall of the connecting pipe is flush with the outer side wall of the air pipe, the connecting pipe is sleeved with a muffling cylinder made of muffling cotton, the muffling cylinder is positioned between the connecting pipe and the housing, two end surfaces of the muffling cylinder are respectively attached to the, drive whole layer amortization pipeline vibrations, consequently silencing device can not stably be installed, can not reach the effect of permanent use, and economic value can reduce to some extent to traditional exhaust apparatus utilizes the pipeline to discharge, also can bring the noise of lou, needs to improve, based on this, the utility model discloses an automobile exhaust apparatus with subdue noise function, with solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile exhaust device with subdue noise function to first, the automobile that exist among the solution above-mentioned technical scheme drives whole layer exhaust duct vibrations when exhausting, does not reach the effect of permanent use, and economic value can reduce to some extent, and second, traditional exhaust device utilize the pipeline to discharge, also can bring the problem of the noise of louder.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile exhaust device with subduct noise function, is including installation base and damper cylinder, the installation base sets up to T shape circular base, the left side bottom plate of installation base is provided with align to grid's installation screw hole all around, the right-hand member inner chamber fixed shock tube of pegging graft of installation base, the horizontal fixed silencing device of pegging graft of inner chamber of damper cylinder, be provided with align to grid's damping spring between silencing device's the lateral wall and the inside wall of damper cylinder, the right-hand member mouth lateral wall of damper cylinder is provided with installation slot, installation slot sets up to L shape internal buckle groove.

Preferably, the mounting base is fixedly connected with the damping cylinder through fixing screws, and the two groups of fixing screws are symmetrically arranged.

Preferably, silencing device includes amortization casing, separates frid, first cavity, second cavity, third cavity, fourth cavity, first air duct and second air duct, three groups of separate frid of inner chamber equidistance fixed connection of amortization casing, three groups separate the frid and separate the inner chamber of amortization casing and set up to first cavity, second cavity, third cavity and fourth cavity, first air duct transversely runs through adjacent two sets of frids that separate in the left part and communicate first cavity and third cavity, the second air duct transversely runs through adjacent two sets of frids that separate in the right part and communicates second cavity and fourth cavity.

Preferably, the outer side wall of the silencing device is provided with a silencing layer.

Preferably, the noise reduction layer is made of high-temperature-resistant noise reduction materials made of ceramic fibers, and the surface layer of the noise reduction layer is an uneven layer surface.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is beneficial to realizing the effect of stable exhaust of the exhaust pipe through the connection and cooperation among the installation base, the installation threaded hole, the damping cylinder, the fixing screw, the silencing device, the damping spring and the installation clamping groove; the exhaust pipe is silenced by connecting and matching the silencing device, the silencing shell, the groove separating plate, the first cavity, the second cavity, the third cavity, the fourth cavity, the first air duct, the second air duct and the silencing layer; the utility model discloses the amortization effect to the blast pipe is realized to the automobile exhaust device who sets up, is favorable to reducing the noise pollution that life car brought to the stable setting of blast pipe reaches the permanent use of device, realizes higher economic value.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an installation base, 2-an installation threaded hole, 3-a damping cylinder, 4-a fixing screw, 5-a silencing device, 51-a silencing shell, 52-a separating groove plate, 53-a first cavity, 54-a second cavity, 55-a third cavity, 56-a fourth cavity, 57-a first air guide pipe, 58-a second air guide pipe, 6-a silencing layer, 7-a damping spring and 8-an installation clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an automobile exhaust device with subduct noise function, including installation base 1 and damper cylinder 3, installation base 1 sets up to T shape circular base, the left side bottom plate of installation base 1 is provided with align to grid's installation screw hole 2 all around, the right-hand member inner chamber of installation base 1 is fixed the damper cylinder 3 of pegging graft, the horizontal fixed silencing device 5 of pegging graft of inner chamber of damper cylinder 3, be provided with align to grid's damping spring 7 between silencing device 5's the lateral wall and damper cylinder 3's the inside wall, damper cylinder 3's right-hand member mouth lateral wall is provided with installation slot 8, installation slot 8 sets up to L shape internal catch groove.

Further, the mounting base 1 and the damping cylinder 3 are fixedly connected through the fixing screws 4, and the two groups of the fixing screws 4 are symmetrically arranged, so that the damping cylinder 3 is stabilized, and unstable vibration factors which bring shaking to the damping process are realized; the silencer device 5 comprises a silencer shell 51, groove separating plates 52, a first cavity 53, a second cavity 54, a third cavity 55, a fourth cavity 56, a first air duct 57 and a second air duct 58, wherein the inner cavity of the silencer shell 51 is fixedly connected with three groups of groove separating plates 52 at equal intervals, the three groups of groove separating plates 52 separate the inner cavity of the silencer shell 51 into the first cavity 53, the second cavity 54, the third cavity 55 and the fourth cavity 56, the first air duct 57 transversely penetrates through the left two adjacent groups of groove separating plates 52 to communicate the first cavity 53 and the third cavity 55, the second air duct 58 transversely penetrates through the right two adjacent groups of groove separating plates 52 to communicate the second cavity 54 and the fourth cavity 56, the step-by-step reduction effect in the sound transmission process can be effectively realized, and a better silencing effect is achieved; the outer side wall of the silencing device 5 is provided with a silencing layer 6, which is beneficial to the sound absorption effect of noise generated by exhaust and realizes the effect of reducing and transmitting sound; the noise reduction layer 6 adopts the high temperature resistant noise reduction material made of ceramic fiber, and the surface layer of the noise reduction layer 6 is arranged as the rugged face, thereby being beneficial to the long-term durability of the noise reduction layer 6 and achieving the good effect of long-term use.

One specific application of this embodiment is:

the periphery of a left side bottom plate of the installation base 1 is provided with uniformly arranged installation threaded holes 2, the fixation effect on the installation base 1 is realized through screws, a damping cylinder 3 is fixedly inserted into a right end inner cavity of the installation base 1, the installation base 1 is fixedly connected with the damping cylinder 3 through fixing screws 4, a right end opening side wall of the damping cylinder 3 is provided with an installation clamping groove 8, the fixed installation effect on the damping cylinder 3 is realized, an inner cavity of the damping cylinder 3 is transversely and fixedly inserted with a silencing device 5, and uniformly arranged damping springs 7 are arranged between the outer side wall of the silencing device 5 and the inner side wall of the damping cylinder 3, so that the damping installation effect on the silencing device 5 with an exhaust effect is realized; the discharged gas enters the first cavity 53, the gas enters the third cavity 55 through the first gas guide tube 57, the gas enters the second cavity 54 through the gas holes of the middle-end separating groove plate 52, and then enters the fourth cavity 56 from the second cavity 54 through the second gas guide tube 58 to be discharged, and the gas suddenly enters the large tube cavity through the small tube guided out in the gas transmission process, so that the gas transmission pressure can be reduced, the sound transmission reducing effect is achieved, and the noise transmission effect of the gas is reduced step by step; the utility model discloses the amortization effect to the blast pipe is realized to the automobile exhaust device who sets up, is favorable to reducing the noise pollution that life car brought to the stable setting of blast pipe reaches the permanent use of device, realizes higher economic value.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automobile exhaust device with subduction noise function, includes installation base (1) and damper cylinder (3), its characterized in that: the damping cylinder is characterized in that the mounting base (1) is set to be a T-shaped circular base, evenly-arranged mounting threaded holes (2) are formed in the periphery of a left side bottom plate of the mounting base (1), the damping cylinder (3) is fixedly inserted into an inner cavity of the right end of the mounting base (1), the silencing device (5) is transversely and fixedly inserted into an inner cavity of the damping cylinder (3), evenly-arranged damping springs (7) are arranged between the outer side wall of the silencing device (5) and the inner side wall of the damping cylinder (3), a mounting clamping groove (8) is formed in the side wall of the right end opening of the damping cylinder (3), and the mounting clamping groove (8) is set to be an L.

2. The exhaust apparatus for a vehicle having a noise reduction function according to claim 1, wherein: the installation base (1) is fixedly connected with the damping cylinder (3) through fixing screws (4), and the two groups of fixing screws (4) are symmetrically arranged.

3. The exhaust apparatus for a vehicle having a noise reduction function according to claim 1, wherein: the silencer device (5) comprises a silencer shell (51), two groove separating plates (52), a first cavity (53), a second cavity (54), a third cavity (55), a fourth cavity (56), a first air duct (57) and a second air duct (58), wherein three groups of groove separating plates (52) are fixedly connected with the inner cavity of the silencer shell (51) at equal intervals, three groups of groove separating plates (52) separate the inner cavity of the silencer shell (51) into the first cavity (53), the second cavity (54), the third cavity (55) and the fourth cavity (56), the first air duct (57) transversely penetrates through the left two adjacent groups of groove separating plates (52) to communicate the first cavity (53) with the third cavity (55), and the second air duct (58) transversely penetrates through the right two adjacent groups of groove separating plates (52) to communicate the second cavity (54) with the fourth cavity (56).

4. The exhaust apparatus for a vehicle having a noise reduction function according to claim 1, wherein: the outer side wall of the silencing device (5) is provided with a silencing layer (6).

5. The exhaust apparatus for a vehicle having a noise reduction function according to claim 4, wherein: the noise reduction layer (6) is made of high-temperature-resistant noise reduction materials made of ceramic fibers, and the surface layer of the noise reduction layer (6) is an uneven layer surface.