Low-resistance motorcycle exhaust silencer

Abstract

The utility model belongs to the technical field of motorcycle silencers, and discloses a low-resistance motorcycle exhaust silencer which comprises a silencer shell, an exhaust pipe is fixedly installed on one side of the silencer shell, heat insulation pads are fixedly installed on the upper side and the lower side of the inner wall of the silencer shell respectively, an inner cylinder is clamped between the two heat insulation pads, and an outer cylinder is clamped between the two heat insulation pads. Bosses are integrally arranged on the upper side and the lower side of the inner wall of the inner barrel, when a motorcycle runs, waste gas generated by an engine of the motorcycle enters the silencer shell through an exhaust pipe, the waste gas entering the silencer shell is divided into two fluids by a partition block, the two fluids enter the porous media, sound waves are preliminarily weakened through the multiple media, and the sound waves are further weakened through the porous media. The two pieces of weakened waste gas collide with the baffle at the same time, so that sound waves are further weakened, meanwhile, the waste gas can be exhausted only by flowing through the stroke of the silencer shell, on one hand, the good silencing effect is achieved, and on the other hand, the exhaust emission efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motorcycle muffler technical field, concretely is a low resistance motorcycle exhaust muffler. BACKGROUND

[0002] The motorcycle muffler is a device installed at the end of the motorcycle exhaust system, mainly to reduce the noise generated when the engine exhaust gas. In addition, it can also filter the exhaust gas to a certain extent, which helps to reduce environmental pollution. The design of the muffler will affect the performance of the motorcycle, including sound, power output, etc.

[0003] Such as the publication number for CN221032805U a good noise reduction effect motorcycle muffler, including motorcycle muffler connecting pipe, the outside of motorcycle muffler is opened exhaust pipe groove, the inside movable connection silencer filter screen of arc pipeline, the outside movable connection silencer protection shell of motorcycle muffler, the outside fixed connection of silencer protection shell several protection shell fixed bolt;The utility model discloses a silencer filter screen is set up, which is helpful for the motorcycle muffler in daily use, avoids the operator from entering the inside of the motorcycle muffler due to improper operation or other reasons, and the silencer filter screen can effectively prevent foreign matter from entering the inside of the silencer. When the silencer is blocked, it can be disassembled and handled, effectively improving the use of the operator;

[0004] The motorcycle muffler is provided with multiple partitions inside, and the partitions are connected by conveying pipes, so that the sound waves are continuously weakened after entering the inside of different partitions, thereby achieving the purpose of silencing. Although it can achieve silencing, the exhaust gas of the motorcycle also needs to enter the inside of different partition areas, thereby increasing the exhaust emission distance and reducing the exhaust emission efficiency. In order to solve the above problems, a low resistance motorcycle exhaust muffler is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the above -mentioned problem, provide a kind of low resistance motorcycle exhaust muffler, including:

[0006] The muffler shell is fixedly installed with an exhaust pipe on one side, heat insulation pads are fixedly installed on the upper and lower sides of the inner wall of the muffler shell, an inner cylinder is clamped between the two heat insulation pads, bosses are integrally arranged on the upper and lower sides of the inner wall of the inner cylinder, porous media are fixedly installed on one side of the two bosses, and a partition block is fixedly installed between the two porous media. A baffle is fixedly installed on the side of the inner cylinder away from the partition block.

[0007] The exhaust pipe is connected with the motorcycle through the connecting flange.

[0008] In a preferred embodiment, the exhaust pipe is fixedly installed with a connecting flange on the side away from the muffler shell.

[0009] The exhaust pipe is connected with the motorcycle through the connecting flange.

[0010] In a preferred embodiment, the outer wall of the heat insulation pad is provided with a mounting groove, the mounting groove is fixedly installed with a spring, the spring is fixedly installed with a clamping bead on one side, and the inner cylinder body is provided with a clamping groove on the upper and lower sides.

[0011] When the inner cylinder body needs to be replaced, the inner cylinder body is only rotated, the clamping bead in the outer wall clamping groove is extruded outward during the rotation of the inner cylinder body, so that the inner cylinder body is no longer blocked, and the inner cylinder body is directly pulled out outward to realize the removal, which is convenient for installation and disassembly.

[0012] In a preferred embodiment, the muffler shell is made of carbon fiber.

[0013] The muffler shell has the advantages of light weight and high strength.

[0014] In a preferred embodiment, the partition block is located on the side close to the exhaust pipe in the inner cylinder body.

[0015] In a preferred embodiment, a through groove is arranged between the baffle and the inner wall of the inner cylinder body.

[0016] In summary, due to the adoption of the above technical scheme, the motorcycle exhaust muffler with low resistance is provided.

[0017] The exhaust pipe is connected with the motorcycle through the connecting flange. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structural schematic diagram of the utility model;

[0019] Fig. 2 It is the sectional view of the muffler shell in the utility model;

[0020] Fig. 3 It is the sectional view of the inner cylinder in the utility model.

[0021] Mark in the drawing: 1-muffler shell, 2-exhaust pipe, 3-heat insulation pad, 4-inner cylinder, 5-separation block, 6-tub, 7-porous medium, 8-baffle, 9-installation slot, 10-spring, 11-pearl, 12-slot. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making the creative labor are within the protection scope of the utility model.

[0023] The utility model will be described below in conjunction with Figs. 1-3 A low-resistance motorcycle exhaust muffler is described in detail.

[0024] Embodiment:

[0025] A low-resistance motorcycle exhaust muffler, comprising:

[0026] The muffler shell 1 is fixedly installed with the exhaust pipe 2 on one side, the exhaust pipe 2 is fixedly installed with the connecting flange on the side away from the muffler shell 1, the exhaust pipe 2 is connected with the motorcycle through the connecting flange, the muffler shell 1 is made of carbon fiber, has the advantages of light weight and high strength;

[0027] The muffler shell 1 is internally provided with the heat insulation pad 3, the inner cylinder 4 is clamped between the two heat insulation pads 3, the inner cylinder 4 is internally provided with the boss 6 on the upper and lower sides, the porous medium 7 is fixedly installed on one side of the two bosses 6, the partition block 5 is fixedly installed between the two porous media 7, the partition block 5 is located inside the inner cylinder 4 and close to one side of the exhaust pipe 2, the baffle 8 is fixedly installed on the side of the inner cylinder 4 away from the partition block 5, the through slot is arranged between the baffle 8 and the inner wall of the inner cylinder 4, when the motorcycle is running, the exhaust gas generated by the engine enters the inside of the muffler shell 1 through the exhaust pipe 2, the exhaust gas entering the inside of the muffler shell 1 is separated into two streams by the partition block 5, the two streams enter the inside of the porous medium 7, the sound waves are preliminarily weakened by the porous medium 7, the two exhaust gases after weakening collide with the baffle 8 at the same time, so that the sound waves are further weakened, and meanwhile, the exhaust gas can be discharged only by flowing through one muffler shell 1, on the one hand, the better silencing effect is achieved, and on the other hand, the exhaust emission efficiency is improved;

[0028] The installation groove 9 is formed in the outer wall of the heat insulation pad 3, the spring 10 is fixedly installed in the installation groove 9, the clamping ball 11 is fixedly installed on one side of the spring 10, the clamping grooves 12 are formed in the upper and lower sides of the inner cylinder 4, when the inner cylinder 4 needs to be replaced, the inner cylinder 4 is only rotated, the clamping ball 11 in the clamping groove 12 of the outer wall of the inner cylinder 4 is extruded outward during the rotation of the inner cylinder 4, so that the inner cylinder 4 is no longer blocked, and the inner cylinder 4 can be directly pulled out outward to realize the removal, and the installation and removal are facilitated.

[0029] Working principle:

[0030] When the motorcycle is running, the exhaust gas generated by the engine enters the inside of the muffler shell 1 through the exhaust pipe 2, the exhaust gas entering the inside of the muffler shell 1 is separated into two streams by the partition block 5, the two streams enter the inside of the porous medium 7, the sound waves are preliminarily weakened by the porous medium 7, the two exhaust gases after weakening collide with the baffle 8 at the same time, so that the sound waves are further weakened, and meanwhile, the exhaust gas can be discharged only by flowing through one muffler shell 1, on the one hand, the better silencing effect is achieved, and on the other hand, the exhaust emission efficiency is improved.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A low-resistance motorcycle exhaust muffler, characterized in that: include: The muffler housing (1) has an exhaust pipe (2) fixedly installed on one side. Heat insulation pads (3) are fixedly installed on both the upper and lower sides of the inner wall of the muffler housing (1). An inner cylinder (4) is clamped between the two heat insulation pads (3). A boss (6) is integrally provided on both the upper and lower sides of the inner wall of the inner cylinder (4). A porous medium (7) is fixedly installed on one side of each of the two bosses (6). A partition block (5) is fixedly installed between the two porous media (7). A baffle (8) is fixedly installed on the side of the inner cylinder (4) away from the partition block (5).

2. The low-resistance motorcycle exhaust muffler as described in claim 1, characterized in that: A connecting flange is fixedly installed on the side of the exhaust pipe (2) away from the muffler housing (1).

3. A low-resistance motorcycle exhaust muffler as described in claim 1, characterized in that: The heat insulation pad (3) has an installation groove (9) on its outer wall. A spring (10) is fixedly installed inside the installation groove (9). A retaining bead (11) is fixedly installed on one side of the spring (10). The inner cylinder (4) has retaining grooves (12) on both the upper and lower sides.

4. A low-resistance motorcycle exhaust muffler as described in claim 1, characterized in that: The muffler housing (1) is made of carbon fiber.

5. A low-resistance motorcycle exhaust muffler as described in claim 1, characterized in that: The separator (5) is located inside the inner cylinder (4) on the side near the exhaust pipe (2).

6. A low-resistance motorcycle exhaust muffler as described in claim 1, characterized in that: A through groove is provided between the baffle (8) and the inner wall of the inner cylinder (4).

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