CN213510798U

CN213510798U - Tail gas muffler convenient to installation

Info

Publication number: CN213510798U
Application number: CN202022631121.XU
Authority: CN
Inventors: 马传华; 刘金虎; 曹健; 苗磊
Original assignee: Shanxi Tianda Chemical Engineering Co ltd
Current assignee: Shanxi Tianda Chemical Engineering Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-06-22
Anticipated expiration: 2030-11-14

Abstract

The utility model discloses a tail gas silencer convenient for installation, which comprises a resistant silencer, wherein a first connecting pipe is fixedly connected with the left end of the resistant silencer, a fixed rod is fixedly arranged at the outer side of the resistant silencer, a movable rod is movably arranged inside the fixed rod, a second connecting pipe is fixedly connected with the right end of the resistant silencer, a resistive silencer is fixedly arranged at the right end of the second connecting pipe, a sound absorbing layer is arranged on the inner surface of the resistive silencer, and an iron wire mesh layer is fixedly arranged on the surface of the sound absorbing layer, the utility model designs an installation mode that the fixed rod and the movable rod are mutually matched, the height of each fixed rod and the height of each movable rod can be flexibly adjusted through the mutual matching of a second bolt and a threaded hole according to actual conditions, the installation is convenient, various installation conditions can be adapted, and protective measures are arranged on sound absorbing materials, the life of sound absorbing material can be greatly prolonged.

Description

Tail gas muffler convenient to installation

Technical Field

The utility model relates to a muffler technical field specifically is a tail gas muffler convenient to installation.

Background

The silencer is a pipe and an elbow with sound absorption lining or a noise reduction device such as a pipe with suddenly changed sectional area and other discontinuous acoustic impedance for the airflow pipeline with noise transmission, so that the noise in the pipeline is attenuated or reflected, wherein the former is called a resistive silencer, the latter is called a reactive silencer, and the other is also called an impedance composite silencer.

The existing tail gas silencer technology is perfect, but the maintenance in later period after installation is not enough, especially the protection measures for the suction material in the resistive silencer are not enough, and the silencer is easy to be impacted by high-speed airflow and permeated by water vapor, so that the service life is greatly shortened and the silencer is frequently replaced.

Therefore, the tail gas silencer convenient to install is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tail gas muffler convenient to installation, installation that can convenient and fast, and be provided with safeguard measure to sound absorbing material, it has been perfect to solve present current tail gas muffler technique that proposes in the above-mentioned background art, nevertheless still consider inadequately in the aspect of the maintenance in later stage after the installation, especially to hindering the not enough of the inside protective measure of attracting material of hindering nature muffler, receive high velocity air impact and steam infiltration easily, thereby lead to life to reduce greatly, the problem of frequent change.

In order to achieve the above object, the utility model provides a following technical scheme: a tail gas silencer convenient to install comprises a resistant silencer, wherein a first connecting pipe is fixedly connected to the left end of the resistant silencer, a connecting piece is fixedly installed at the left end of the first connecting pipe, a through hole is formed in the connecting piece, a fixed rod is fixedly installed on the outer side of the resistant silencer, a movable rod is movably installed inside the fixed rod, a second connecting pipe is fixedly connected to the right end of the resistant silencer, a resistive silencer is fixedly installed at the right end of the second connecting pipe, a tail pipe is fixedly connected to the right end of the resistive silencer, a resonance chamber is arranged inside the resistant silencer, a first mesh small pipe is arranged inside the resonance chamber, a second mesh small pipe is fixedly installed below the first mesh small pipe, a sound absorbing layer is arranged on the inner surface of the resistive silencer, and an iron wire mesh layer is fixedly installed on the surface of the sound absorbing layer, the utility model discloses a well choke silencer, including the dead lever, the inside intermediate position department fixed mounting of hindering nature muffler has the mesh connecting pipe, fixed mounting has first bolt on the movable rod, fixed mounting has the second bolt on the dead lever.

Through adopting the technical scheme, the utility model discloses it is convenient to install, can adapt to various installation conditions, has adopted the compound mode of impedance, all has fine noise elimination effect to low, well, high frequency noise, is provided with safeguard measure to the sound absorption layer simultaneously, the life on promotion sound absorption layer that can be great.

Preferably, the dead lever all is provided with six groups with the movable rod, wherein four dead levers of group and movable rod symmetric distribution are both sides around the resistance muffler, and all the other two sets of dead levers and movable rod symmetric distribution are both sides around the resistance muffler, the outside welded fastening of dead lever and resistance muffler, all be provided with a plurality of groups screw hole on movable rod and the dead lever, the spout has been seted up on the dead lever, through spout swing joint between movable rod and the dead lever, through the mutually supporting fixed connection of second bolt and screw hole between movable rod and the dead lever, the mutually supporting fixed mounting of first bolt and screw hole is passed through with the bottom of the car to the movable rod.

Through adopting above-mentioned technical scheme, can be through mutually supporting of movable rod, first bolt and screw hole will the utility model discloses fixed mounting is in the car bottom, can adjust holistic mounting height through mutually supporting of fixed, movable rod, second bolt and screw hole after fixing to because all set up a plurality of groups screw hole on every group dead lever and the movable rod, so highly can nimble regulation, even if the car bottom is not level and smooth also installation that can be steady.

Preferably, the iron wire mesh layer completely covers the sound absorption layer.

Through adopting above-mentioned technical scheme, the wire netting layer can avoid inhaling the intraformational sound material of inhaling of sound directly to receive high velocity air impact, increase of service life with sound layer guard post.

Preferably, a drain hole is formed at the lowest point below the resistive muffler.

Through adopting above-mentioned technical scheme, can in time discharge after the vapor cooling that produces becomes the water droplet in the car operation process, can not remain in the inside of hindering nature muffler, cause the steam infiltration to the sound absorbing material of hindering nature muffler inside.

Preferably, the first connecting pipe and the second connecting pipe are equal in length, and both the first connecting pipe and the second connecting pipe are bent.

By adopting the technical scheme, the lengths of the first connecting pipe and the second connecting pipe are equal, so that the exhaust in each stage is as smooth as possible, and the first connecting pipe and the second connecting pipe are designed into a bent shape, so that although the performance of the engine is slightly influenced, the exhaust noise can be greatly reduced.

Preferably, the left end of connecting piece is provided with three way catalyst converter, through first connecting pipe fixed connection between resistance muffler and the three way catalyst converter, through second connecting pipe fixed connection between resistance muffler and the resistance muffler.

By adopting the technical scheme, an impedance compounding mode is adopted, after the tail gas is treated by the three-way catalyst, the tail gas is successively subjected to noise reduction treatment by the resistant muffler and the resistive muffler, and the noise reduction device has good noise reduction effect on low, medium and high frequency noise.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model designs the installation mode that the fixed rods and the movable rods are matched with each other, the height of each fixed rod and the movable rod can be flexibly adjusted through the matching of the second bolt and the threaded hole according to the actual situation, and the installation is convenient and the installation can be adapted to various installation conditions;

the surface on sound absorbing layer is provided with a layer of iron wire net layer, can avoid sound absorbing layer directly to receive the high velocity air impact, increase of service life, the wash port has been seted up to the below minimum point department at hindering nature muffler simultaneously, can in time discharge after the vapor cooling that the car operation in-process produced becomes the water droplet, avoids remaining in the inside of hindering nature muffler, causes the steam infiltration to the inside sound absorbing material of hindering nature muffler.

Drawings

Fig. 1 is a complete structural schematic diagram of the present invention;

FIG. 2 is a diagram of the reactive muffler of the present invention;

fig. 3 is a structural diagram of the resistive muffler of the present invention;

fig. 4 is a cross-sectional view of the resistive muffler of the present invention.

In the figure: 1. a connecting member; 2. fixing the rod; 3. a movable rod; 4. a second connecting pipe; 5. a tail pipe; 6. a resistive muffler; 7. a resistive muffler; 8. a first connecting pipe; 9. a through hole; 10. a resonance chamber; 11. a first meshed small tube; 12. a second meshed small pipe; 13. a sound absorbing layer; 14. a layer of wire mesh; 15. a connecting pipe with meshes; 16. a first bolt; 17 second bolt.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution of a tail gas muffler convenient for installation: comprises a resistance silencer 7, a first connecting pipe 8 is fixedly connected with the left end of the resistance silencer 7, a connecting piece 1 is fixedly installed at the left end of the first connecting pipe 8, a through hole 9 is formed in the connecting piece 1, a fixed rod 2 is fixedly installed at the outer side of the resistance silencer 7, a movable rod 3 is movably installed inside the fixed rod 2, a second connecting pipe 4 is fixedly connected with the right end of the resistance silencer 7, a resistance silencer 6 is fixedly installed at the right end of the second connecting pipe 4, a tail pipe 5 is fixedly connected with the right end of the resistance silencer 6, a resonance chamber 10 is arranged inside the resistance silencer 7, a first mesh small pipe 11 is arranged inside the resonance chamber 10, a second mesh small pipe 12 is fixedly installed below the first mesh small pipe 11, a sound absorbing layer 13 is arranged on the inner surface of the resistance silencer 6, an iron wire mesh layer 14 is fixedly installed on the surface of the sound absorbing layer 13, and a mesh connecting pipe 15 is fixedly installed at the, a first bolt 16 is fixedly arranged on the movable rod 3, and a second bolt 17 is fixedly arranged on the fixed rod 2.

Through adopting the technical scheme, the utility model discloses it is convenient to install, can adapt to various installation conditions, has adopted the compound mode of impedance, all has fine noise elimination effect to low, well, high frequency noise, is provided with safeguard measure to sound absorption layer 13 simultaneously, promotion sound absorption layer 13's that can be great life.

Specifically, as shown in fig. 1 and 4, the fixed rod 2 and the movable rod 3 are provided with six groups, wherein four groups of fixed rods 2 and four groups of movable rods 3 are symmetrically distributed on the front side and the rear side of the resistance silencer 7, the other two groups of fixed rods 2 and the other two groups of movable rods 3 are symmetrically distributed on the front side and the rear side of the resistance silencer 6, the fixed rod 2 and the outer side of the resistance silencer 7 are welded and fixed, a plurality of groups of threaded holes are formed in the movable rod 3 and the fixed rod 2, a sliding groove is formed in the fixed rod 2, the movable rod 3 and the fixed rod 2 are movably connected through the sliding groove, the movable rod 3 and the fixed rod 2 are fixedly connected through the second bolt 17 and the threaded holes in a mutually matched mode, and the movable rod 3 and the bottom of.

Through adopting above-mentioned technical scheme, can be through the cooperation each other of movable rod 3, first bolt 16 and screw hole with the utility model discloses fixed mounting is in the car bottom, can adjust holistic mounting height through mutually supporting of dead lever 2, movable rod 3, second bolt 17 and screw hole after fixing to because all seted up a plurality of groups screw hole on every group dead lever 2 and the movable rod 3, so highly can nimble regulation, even if the car bottom is not level and smooth also can steady installation.

Specifically, as shown in fig. 3, the iron mesh layer 14 completely covers the sound absorbing layer 13.

By adopting the technical scheme, the iron wire mesh layer 14 can protect the column of the sound absorption layer 13, so that the sound absorption material in the sound absorption layer 13 is prevented from being directly impacted by high-speed airflow, and the service life is prolonged.

Specifically, as shown in fig. 1, a drain hole is formed at the lowest point below the resistive muffler 6.

Through adopting above-mentioned technical scheme, can in time discharge after the vapor cooling that produces becomes the water droplet in the car operation process, can not remain in the inside of hindering nature muffler 6, cause the steam infiltration to the sound absorbing material of hindering nature muffler 6 inside.

Specifically, as shown in fig. 1, the first connection pipe 8 and the second connection pipe 4 have the same length, and both the first connection pipe 8 and the second connection pipe 4 are curved.

By adopting the technical scheme, the lengths of the first connecting pipe 8 and the second connecting pipe 4 are equal, so that the exhaust in each stage is as smooth as possible, and the first connecting pipe 8 and the second connecting pipe 4 are both designed into a bent shape, so that although the performance of the engine is slightly influenced, the exhaust noise can be greatly reduced.

Specifically, as shown in fig. 1, a three-way catalyst is arranged at the left end of the connecting piece 1, the resistant muffler 7 is fixedly connected with the three-way catalyst through a first connecting pipe 8, and the resistant muffler 6 is fixedly connected with the resistant muffler 7 through a second connecting pipe 4.

By adopting the technical scheme, an impedance compounding mode is adopted, after the tail gas is treated by the three-way catalyst, the tail gas is successively subjected to noise reduction treatment by the resistant muffler 7 and the resistive muffler 6, and the noise reduction device has good noise reduction effect on low, medium and high frequency noise.

The working principle is as follows: the utility model discloses a dead lever 2 and movable rod 3 mounting means of mutually supporting, can be nimble according to actual conditions, adjust each dead lever 2 and movable rod 3's height through mutually supporting of second bolt 17 and screw hole, can also adapt to various installation condition when being convenient for install, be provided with a layer of iron wire stratum reticulare 14 on the surface of sound-absorbing layer 13, can avoid sound-absorbing layer 13 directly to receive the high velocity air impact, increase of service life, the wash port has been seted up to the lower minimum department in the below of hindering nature muffler 6 simultaneously, can in time discharge after the vapor cooling one-tenth water droplet that produces in the car operation process, avoid remaining in the inside of hindering nature muffler 6, it causes steam infiltration to hindering the sound-absorbing layer 13 of hindering nature muffler 6 inside.

The using method comprises the following steps: the utility model discloses a dead lever 2, the movable rod 3, first bolt 16, second bolt 17 and screw hole mutually support and install after well, the noise that the tail gas that has been handled by three way catalyst converter and operation produced passes through the inside that first connecting pipe 8 got into resistance muffler 7, through resonance chamber 10, first mesh tubule and second take mutually supporting of mesh tubule 12 to low, the medium frequency band is eliminated the noise, then get into the inside of hindering nature muffler 6 through second connecting pipe 4, through the sound absorbing layer 13 and take the centering of mutually supporting of mesh connecting pipe 15, the high frequency band is eliminated the noise, discharge from tail pipe 5 at last.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tail gas muffler convenient to install, comprising a resistant muffler (7), characterized in that: a first connecting pipe (8) is fixedly connected to the left end of the resistant silencer (7), a connecting piece (1) is fixedly installed at the left end of the first connecting pipe (8), a through hole (9) is formed in the connecting piece (1), a fixed rod (2) is fixedly installed on the outer side of the resistant silencer (7), a movable rod (3) is movably installed inside the fixed rod (2), a second connecting pipe (4) is fixedly connected to the right end of the resistant silencer (7), a resistive silencer (6) is fixedly installed at the right end of the second connecting pipe (4), a tail pipe (5) is fixedly connected to the right end of the resistive silencer (6), a resonance chamber (10) is arranged inside the resistant silencer (7), a first mesh-carrying small pipe (11) is arranged inside the resonance chamber (10), a second mesh-carrying small pipe (12) is fixedly installed below the first mesh-carrying small pipe (11), the internal surface of hindering nature muffler (6) is provided with sound absorbing layer (13), the fixed surface of sound absorbing layer (13) installs iron wire net layer (14), the inside intermediate position department fixed mounting of hindering nature muffler (6) has area mesh connecting pipe (15), fixed mounting has first bolt (16) on movable rod (3), fixed mounting has second bolt (17) on dead lever (2).

2. The easy-to-install exhaust muffler according to claim 1, wherein: six groups of fixed rods (2) and six groups of movable rods (3) are arranged, wherein four groups of fixed rods (2) and four groups of movable rods (3) are symmetrically distributed on the front side and the rear side of the resistant silencer (7), the other two groups of fixed rods (2) and the movable rods (3) are symmetrically distributed on the front side and the rear side of the resistive silencer (6), the fixed rod (2) is welded and fixed with the outer side of the resistant silencer (7), a plurality of groups of threaded holes are arranged on the movable rod (3) and the fixed rod (2), the fixed rod (2) is provided with a sliding chute, the movable rod (3) is movably connected with the fixed rod (2) through the sliding chute, the movable rod (3) is fixedly connected with the fixed rod (2) through the mutual matching of the second bolt (17) and the threaded hole, the movable rod (3) and the bottom of the automobile are fixedly installed through mutual matching of the first bolt (16) and the threaded hole.

3. The easy-to-install exhaust muffler according to claim 1, wherein: the iron wire mesh layer (14) completely covers the sound absorption layer (13).

4. The easy-to-install exhaust muffler according to claim 1, wherein: and a drain hole is formed at the lowest point below the resistive silencer (6).

5. The easy-to-install exhaust muffler according to claim 1, wherein: the length of the first connecting pipe (8) is equal to that of the second connecting pipe (4), and the first connecting pipe (8) and the second connecting pipe (4) are both bent.

6. The easy-to-install exhaust muffler according to claim 1, wherein: the left end of connecting piece (1) is provided with three way catalyst converter, through first connecting pipe (8) fixed connection between resistance muffler (7) and the three way catalyst converter, through second connecting pipe (4) fixed connection between resistance muffler (6) and resistance muffler (7).