CN219159050U - Exhaust pipe of motorcycle - Google Patents

Abstract

The utility model discloses a motorcycle exhaust pipe, comprising: the outer periphery of the pipe body is sleeved with a shell, the shell is connected with the pipe body through reinforcing ribs, and soundproof cotton is arranged between the shell and the pipe body; the two opposite sides of the outer peripheral wall of the shell are respectively provided with a connecting groove and a limiting clamping strip; the buffer sleeve is arranged in the connecting groove; a connecting nut for connecting with the motorcycle frame is arranged in the center of the buffering sleeve; the guard plate is arranged on the limiting clamping strip and used for preventing scalding to a human body. According to the exhaust pipe of the motorcycle, noise and vibration of the exhaust pipe can be effectively reduced, and the exhaust pipe is provided with the protection plate so as to avoid scalding a rider or passersby.

Description

Exhaust pipe of motorcycle

Technical Field

The utility model relates to the technical field of motorcycle manufacturing, in particular to an exhaust pipe of a motorcycle.

Background

The motorcycle is driven by a gasoline engine, and is steered by a handle to control two or three wheels of the front wheel, so that the motorcycle is light, flexible and rapid to run, is widely used for patrol, passenger and cargo transportation and the like, and is also used as sports equipment. In the large direction, motorcycles are classified into street vehicles, road racing motorcycles, dirtbike, cruise vehicles, recreational vehicles, and the like. In the using process of the motorcycle, the front part of the exhaust pipe of the motorcycle is connected with the engine, so that the temperature of the exhaust pipe is high, and a user can be scalded when careless; and the exhaust pipe can generate vibration and noise when the motorcycle runs, so that the service life of the exhaust pipe is influenced, and the surrounding environment is greatly influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the motorcycle exhaust pipe, which can effectively reduce noise and vibration of the exhaust pipe and is provided with the protection plate so as to avoid scalding a rider or passersby.

An exhaust pipe for a motorcycle according to an embodiment of the present utility model includes: the outer periphery of the pipe body is sleeved with a shell, the shell is connected with the pipe body through reinforcing ribs, and soundproof cotton is arranged between the shell and the pipe body; the two opposite sides of the outer peripheral wall of the shell are respectively provided with a connecting groove and a limiting clamping strip; the buffer sleeve is arranged in the connecting groove; a connecting nut for connecting with the motorcycle frame is arranged in the center of the buffering sleeve; and the guard board is arranged on the limiting clamping strip and used for preventing scalding to a human body.

The exhaust pipe of the motorcycle provided by the embodiment of the utility model has at least the following technical effects: the sound insulation cotton is arranged, so that noise generated in the running process of a vehicle can be reduced, the reinforcing ribs are arranged between the shell and the pipe body, and the buffer suite is arranged at the joint of the shell and the vehicle frame, so that the stability of the exhaust pipe can be improved, vibration is reduced, and the service life of the exhaust pipe is prolonged; the guard board can effectively insulate heat, eliminates the possibility that the shell is directly contacted with a human body, and reduces the risk of scalding.

According to some embodiments of the utility model, the connecting groove is a spline groove, and the outer peripheral shape of the buffering sleeve is consistent with the connecting groove; the connecting nut is fixedly connected with the buffering sleeve member.

According to some embodiments of the utility model, the outer peripheral wall of the buffering sleeve is provided with a radially protruding limiting ring strip, the inner wall of the connecting groove is provided with a limiting groove corresponding to the limiting ring strip, and the limiting ring strip can be embedded into the limiting groove to limit the axial movement of the buffering sleeve.

According to some embodiments of the utility model, a central hole is arranged in the center of the limit clamping strip, an end face hole communicated with the central hole is arranged on the end face of the limit clamping strip, and a bolt is arranged on the guard plate and can be inserted into the end face hole to connect the guard plate and the shell.

According to some embodiments of the utility model, the pin end is provided with a barb that can pass through the end face hole into the central hole and abut against an inner side wall of the central hole to limit the pin from backing out of the end face hole.

According to some embodiments of the utility model, the guard plate is an arc plate, a strip-shaped protrusion protruding towards the shell is arranged on one side of the guard plate towards the shell, and the bolt is arranged on the strip-shaped protrusion.

According to some embodiments of the utility model, the limit stop strip is further provided with a hook groove, and the strip-shaped protrusion is provided with a hook part extending towards the shell, and the hook part can be embedded into the hook groove to strengthen the connection between the guard plate and the shell.

According to some embodiments of the utility model, the end face holes are arranged at intervals along the axial direction of the limit clamping strip, and the bolts are arranged at intervals corresponding to the end face holes.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of an embodiment of the present utility model;

fig. 4 is an enlarged view at a in fig. 2;

fig. 5 is an enlarged view at B in fig. 2.

Reference numerals:

a pipe body 100, a reinforcing rib 110;

the device comprises a shell 200, a mounting block 210, a connecting groove 211, a limiting clamping strip 220, a central hole 221, an end face hole 222 and a hook groove 223;

buffer sleeve 300, stop collar strip 310, and coupling nut 320;

guard 400, strip-shaped protrusions 410, pins 420, barbs 421, separation grooves 422, and hooks 430.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, an exhaust pipe for a motorcycle according to an embodiment of the present utility model includes: the outer periphery of the pipe body 100 is sleeved with a shell 200, the shell 200 is connected with the pipe body 100 through reinforcing ribs 110, and soundproof cotton is arranged between the shell 200 and the pipe body 100; the two opposite sides of the outer peripheral wall of the shell 200 are respectively provided with a connecting groove 211 and a limiting clamping strip 220; as shown in fig. 1 to 3, a plurality of reinforcing ribs 110 are provided between the outer case 200 and the pipe body 100, and soundproof cotton is provided between the reinforcing ribs 110 to reduce noise and perform a heat insulation function. It should be understood that, in general, the housing 200 is in a shape of a circular truncated cone, i.e. the diameter of one end is larger and the diameter of the other end is smaller, and the middle is in a linear transition design, and the housing 200 of the present utility model is also in a shape of a circular truncated cone, and the end with the larger diameter is disposed at the end of the exhaust. The pipe body 100 is also provided with an exhaust gas treatment device, which is not shown in the figure; since the tail gas treatment apparatus is not a major innovation of the present utility model and belongs to the prior art, it will not be described here too much.

A buffer member 300 installed in the connection groove 211; the buffer kit 300 is centrally installed with a coupling nut 320 for coupling with a motorcycle frame; the reinforcing ribs 110 are arranged between the shell 200 and the pipe body 100, and the buffer sleeve 300 is arranged at the joint of the shell 200 and the vehicle frame, so that the stability of the exhaust pipe can be improved, the vibration is reduced, and the service life of the exhaust pipe is prolonged;

the guard board 400 is mounted on the limit clamping strip 220 and is used for preventing scalding to a human body. The guard plate 400 can effectively insulate heat, eliminates the possibility that the housing 200 is directly contacted with a human body, and reduces the risk of scalding. The guard plate 400 is an arc plate and is arranged with the same central axis as the shell 200; the cover sheet 400 may be provided with patterns, holes, etc. on its outer surface to enhance the decorative effect. The guard plate 400 is generally made of plastic materials, so that the heat insulation effect is improved, and the production cost is reduced.

In some embodiments of the present utility model, the coupling groove 211 is a spline groove, and the outer circumferential shape of the buffer sleeve 300 is identical to the coupling groove 211; the coupling nut 320 is fixedly coupled with the buffering kit 300. Specifically, as shown in fig. 2 and 4, the spline grooves mean that a plurality of grooves extending in the axial direction of the connecting groove 211 are provided at even intervals in the circular groove inner wall, and the spline groove inner wall of the present utility model is provided with a plurality of circular arc grooves. The spline grooves are provided to prevent the coupling nut 320 from rotating the damping sleeve 300 relative to the housing 200 when coupled to the vehicle body. The center of the buffering sleeve 300 is provided with a prismatic hole, a 12-prism hole is shown in the figure, the periphery of the connecting nut 320 is 12-sided, the center of the connecting nut 320 is provided with a threaded hole, and the connecting nut 320 and the buffering sleeve 300 can be connected in an adhesive mode. The outer circumference of the coupling nut 320 is provided in a polygonal shape in order to prevent the coupling nut 320 from rotating relative to the buffering set 300.

In some embodiments of the present utility model, the housing 200 is provided with a mounting block 210 protruding from the surface thereof, and the coupling groove 211 is provided on the mounting block 210. The mounting blocks 210 are provided at intervals in the axial direction of the exhaust pipe to increase the stability of the connection of the exhaust pipe with the vehicle body.

In some embodiments of the present utility model, the damping sleeve 300 is made of a plastic material and the coupling nut 320 is made of a metal material. Specifically, the buffer sleeve 300 and the coupling nut 320 may be coupled by bonding or the like. The coupling nut 320 is connected with the vehicle body through a bolt, and the buffer sleeve 300 is designed to buffer the threads of the coupling housing 200 and the vehicle body during the driving process of the vehicle body, so that the bolt is not subjected to a large shearing force, and vibration of the exhaust pipe is further reduced. Plastic material refers to plastic, rubber, etc., and cushioning sleeve 300 has greater rigidity but still has a small range of elastic deformability.

In some embodiments of the present utility model, the outer peripheral wall of the buffering sleeve 300 is provided with a radially protruding stop collar strip 310, the inner wall of the connecting groove 211 is provided with a stop groove corresponding to the stop collar strip 310, and the stop collar strip 310 can be embedded into the stop groove to limit the axial movement of the buffering sleeve 300. Specifically, as shown in fig. 4, the outer surface of the buffering sleeve 300 is provided with three stop collar strips 310 protruding from the outer surface thereof, and since the whole buffering sleeve 300 is made of plastic material, the stop collar strips 310 will generate partial elastic deformation before being installed in the stop groove, and recover the elastic deformation after entering the stop groove. The stop collar strips 310 can prevent the buffer assembly 300 from sliding out axially along the inner wall of the connecting groove 211.

In some embodiments of the present utility model, the center of the stop bar 220 is provided with a central hole 221 passing through the axial direction, the end surface of the stop bar 220 is provided with an end surface hole 222 communicating with the central hole 221, the guard plate 400 is provided with a latch 420, and the latch 420 can be inserted into the end surface hole 222 to connect the guard plate 400 and the housing 200. Specifically, as shown in fig. 3, two limiting clamping strips 220 are provided and are arranged symmetrically up and down; the guard plate 400 is an arc plate, a strip-shaped protrusion 410 protruding towards the housing 200 is arranged on one side of the guard plate 400 towards the housing 200, and the bolt 420 is arranged on the strip-shaped protrusion 410. The two strip-shaped protrusions 410 are also provided corresponding to the two limit clamping strips 220. The end face holes 222 are arranged at intervals along the axial direction of the limiting clamping strips 220, the bolts 420 are arranged at intervals corresponding to the end face holes 222, and the bolts 420 are arranged on the strip-shaped protrusions 410. The guard plate 400 and the casing 200 are connected through the bolts 420 and the end face holes 222, so that the structure is simple, the installation is convenient, and the production efficiency can be effectively improved.

In some embodiments of the present utility model, the end of the plug 420 is provided with a barb 421, the barb 421 being able to pass through the end face hole 222 into the central hole 221 and against the inner side wall of the central hole 221 to limit the withdrawal of the plug 420 from the end face hole 222. Specifically, as shown in fig. 2 and 5, the plug 420 is hollow, and the plug 420 is provided with separation grooves 422 to separate the plug 420 into four uniform pieces, so that elastic deformation is facilitated. The barb 421 is round table shape, and the barb 421 is kept away from the one end diameter of bolt 420 tip great, after bolt 420 inserts in the centre bore 221, the barb 421 keeps away from the one end of bolt 420 tip and will offset with the inner wall of centre bore 221, prevents bolt 420 from simply breaking away from terminal surface hole 222 in the past.

In some embodiments of the present utility model, the stopper bar 220 is further provided with a hooking groove 223, and the bar-shaped protrusion 410 is provided with a hooking portion 430 extending toward the housing 200, and the hooking portion 430 can be inserted into the hooking groove 223 to enhance the connection of the guard 400 and the housing 200. Specifically, the purpose of the hook 430 and the hook groove 223 is to enhance the connection strength between the guard plate 400 and the housing 200, and since the guard plate 400 is subjected to a large bump or wind resistance during the running of the vehicle, the connection stability between the guard plate 400 and the housing 200 needs to be ensured to prevent the guard plate from being separated from the housing 200. The end structure of the hook 430 is identical to the size and shape of the hook groove 223, and the hook groove 223 is disposed on the side plate of one side of the limit clamping strip 220.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. An exhaust pipe for a motorcycle, comprising:

the pipe body (100) is sleeved with a shell (200) at the periphery, the shell (200) is connected with the pipe body (100) through a reinforcing rib (110), and soundproof cotton is arranged between the shell (200) and the pipe body (100); the two opposite sides of the peripheral wall of the shell (200) are respectively provided with a connecting groove (211) and a limiting clamping strip (220);

a buffer sleeve (300) installed in the connection groove (211); a connecting nut (320) for connecting with a motorcycle frame is arranged at the center of the buffer sleeve (300);

and the guard board (400) is arranged on the limiting clamping strip (220) and is used for preventing scalding to a human body.

2. A motorcycle exhaust pipe according to claim 1, wherein: the connecting groove (211) is a spline groove, and the peripheral shape of the buffer sleeve (300) is consistent with the connecting groove (211); the connecting nut (320) is fixedly connected with the buffering sleeve (300).

3. A motorcycle exhaust pipe according to claim 2, wherein: the outer peripheral wall of the buffering external member (300) is provided with a radially protruding limiting ring strip (310), the inner wall of the connecting groove (211) is provided with a limiting groove corresponding to the limiting ring strip (310), and the limiting ring strip (310) can be embedded into the limiting groove to limit the axial movement of the buffering external member (300).

4. A motorcycle exhaust pipe according to claim 1, wherein: the limiting clamping strip (220) is characterized in that a central hole (221) is formed in the center of the limiting clamping strip (220), an end face hole (222) communicated with the central hole (221) is formed in the end face of the limiting clamping strip (220), a bolt (420) is arranged on the guard plate (400), and the bolt (420) can be inserted into the end face hole (222) to connect the guard plate (400) with the shell (200).

5. A motorcycle exhaust pipe as claimed in claim 4, wherein: the end part of the bolt (420) is provided with a barb (421), and the barb (421) can penetrate through the end face hole (222) to enter the central hole (221) and prop against the inner side wall of the central hole (221) to limit the bolt (420) to be separated from the end face hole (222).

6. A motorcycle exhaust pipe as claimed in claim 4, wherein: the guard plate (400) is an arc plate, a strip-shaped protrusion (410) protruding towards the shell (200) is arranged on one side of the guard plate (400) towards the shell (200), and the bolt (420) is arranged on the strip-shaped protrusion (410).

7. A motorcycle exhaust pipe as claimed in claim 6, wherein: the limiting clamping strip (220) is further provided with a hook groove (223), the strip-shaped protrusion (410) is provided with a hook part (430) extending towards the shell (200), and the hook part (430) can be embedded into the hook groove (223) to strengthen connection between the guard plate (400) and the shell (200).

8. A motorcycle exhaust pipe as claimed in claim 4, wherein: the end face holes (222) are formed in a plurality of positions along the axial direction of the limiting clamping strips (220) at intervals, and the bolts (420) are formed in a plurality of positions corresponding to the end face holes (222).

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