CN216617646U - A carbon fiber exhaust pipe - Google Patents

Abstract

The utility model relates to a carbon fiber exhaust pipe which comprises two exhaust pipe outer cylinders, a silencing and heat-insulating layer and a fixing ring, wherein the two exhaust pipe outer cylinders are fixedly attached to each other, the silencing and heat-insulating layer is arranged in the exhaust pipe outer cylinders, the exhaust pipe outer cylinders are fixed on a motorcycle body through the fixing ring, and the exhaust pipe outer cylinders and the fixing ring are made of carbon fiber materials. Above-mentioned carbon fiber blast pipe is made by carbon fiber material, can reduce carbon fiber blast pipe's weight to reduce the quality of motorcycle, be equipped with the amortization insulating layer in the blast pipe urceolus simultaneously, can reduce the noise and the heat that tail gas produced, avoid the blast pipe temperature to rise, it is fixed with the motorcycle through solid fixed ring simultaneously, place the blast pipe urceolus and break away from the motorcycle, improve the life of motorcycle.

Description

A carbon fiber exhaust pipe

technical field

The utility model relates to the technical field of motorcycle production, in particular to a carbon fiber exhaust pipe.

Background technique

Motorcycles are a common means of transportation in daily life. They have the characteristics of strong mobility, easy storage, and high cost performance. They are widely loved by consumers. However, for the consideration of environmental protection and cost reduction, the structure of the motorcycle is improved to reduce the weight of the motorcycle.

Exhaust pipe, one of the important components on motorcycles, mainly plays the role of reducing vibration and noise, facilitating installation and prolonging the life of the exhaust muffler system. Usually made of steel material, the structure is relatively bulky, and after driving the motorcycle, the heat generated by the exhaust gas is conducted to the exhaust pipe, causing the temperature of the exhaust pipe to rise, and the driver is easily burned by touching the exhaust pipe. .

Utility model content

In order to solve the above problems, the utility model provides a carbon fiber exhaust pipe, which includes an outer cylinder of the exhaust pipe, a sound-absorbing and heat-insulating layer and a fixing ring. The outer cylinder of the exhaust pipe is provided with two and two exhaust pipes. The outer cylinder is tightly attached and fixed, the sound-absorbing and heat-insulating layer is arranged in the outer cylinder of the exhaust pipe, the outer cylinder of the exhaust pipe is fixed on the motorcycle body through the fixing ring, and the outer cylinder of the exhaust pipe is fixed on the motorcycle body. And the fixing ring is made of carbon fiber material.

As a preferred technical solution, the sound-absorbing and heat-insulating layer is sequentially provided with a metal plate outer layer, a sound-insulating layer, a first heat-insulating layer, a shock-absorbing sound-absorbing layer, a second heat-insulating layer, and a metal plate inner layer.

As a preferred technical solution, the outer layer of the metal plate and the inner layer of the metal plate are galvanized sheets, the sound insulation layer is a damping sound insulation felt, and the first heat insulation layer and the second heat insulation layer are made of E - Made of fiberglass cloth.

As a preferred technical solution, the shock-absorbing and sound-absorbing layer includes a shock-absorbing block and a sound-absorbing plate, the sound-absorbing plate is provided with a through hole, and the shock-absorbing block is arranged in the through hole.

As a preferred technical solution, the sound-absorbing board is a polyester fiber sound-absorbing board, and the shock absorbing block is made of ethylene-propylene rubber.

As a preferred technical solution, the fixing ring includes two fixing casings, the two fixing casings are pivotally connected to each other, and the fixing casings are fixed to the outer cylinder of the exhaust pipe.

As a preferred technical solution, the fixed housing is provided with a connecting plate, and the two connecting plates are connected by bolts.

The beneficial effect of the utility model is that: the carbon fiber exhaust pipe is made of carbon fiber material, which can reduce the weight of the carbon fiber exhaust pipe, thereby reducing the quality of the motorcycle; It can reduce the noise and heat generated by the exhaust gas, avoid the temperature increase of the exhaust pipe, and at the same time, it is fixed with the motorcycle through the fixing ring, and the outer tube of the exhaust pipe is placed away from the motorcycle to improve the service life of the motorcycle.

Description of drawings

1 is a schematic structural diagram of a carbon fiber exhaust pipe involved in the utility model;

Fig. 2 is the top view of the carbon fiber exhaust pipe involved in the utility model;

3 is a cross-sectional view of the outer cylinder of the exhaust pipe involved in the utility model;

4 is a schematic structural diagram of a sound-absorbing and heat-insulating layer involved in the utility model;

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further elaborated:

Please refer to Figure 1, Figure 2 and Figure 3. A carbon fiber exhaust pipe includes an exhaust pipe outer cylinder 1, a sound-absorbing heat insulation layer 2 and a fixing ring 3. There are two exhaust pipe outer cylinders 1. The two exhaust pipe outer cylinders 1 are closely attached and fixed, which can enhance the exhaust efficiency. The sound insulation and heat insulation layer 2 is wound and arranged to form a cylindrical shape, and is arranged in the exhaust pipe outer cylinder 1, and the sound insulation and heat insulation layer 2 is in close contact with each other. On the inner wall of the outer cylinder 1 of the exhaust pipe, a pipe 11 for exhaust gas is formed in the sound-absorbing and insulating layer 2. The outer cylinder 1 of the exhaust pipe is fixed on the motorcycle body through the fixing ring 3, which can reduce the exhaust gas when the motorcycle starts. The vibration frequency of the outer cylinder 1 of the exhaust pipe generated when the exhaust pipe outer cylinder 1 is generated increases the stability of the connection between the outer cylinder of the exhaust pipe 1 and the motorcycle. The outer cylinder of the exhaust pipe 1 and the fixing ring 3 are made of carbon fiber material, which can reduce the weight of the motorcycle and prolong the exhaust gas The service life of the pipe can be reduced, and the noise generated by the motorcycle can be reduced by the sound-absorbing and heat-insulating layer 2, and the heat generated by the exhaust gas can be isolated, and the outer tube 1 of the exhaust pipe can have a good heat insulation effect.

Referring to FIG. 4 , the sound-absorbing and heat-insulating layer 2 is sequentially provided with a metal plate outer layer 21 , a sound-insulating layer 22 , a first heat-insulating layer 23 , a shock-absorbing sound-absorbing layer 24 , a second heat-insulating layer 25 and a metal plate inner layer. 26. The metal plate outer layer 21 and the metal plate inner layer 26 are galvanized sheets, the sound insulation layer 22 is a damping sound insulation felt, the first heat insulation layer 23 and the second heat insulation layer 25 are made of E-glass fiber cloth, shock absorption The sound-absorbing layer 24 includes a shock-absorbing block 242 and a sound-absorbing plate 241, the sound-absorbing plate 242 is provided with a through hole, the shock-absorbing block 242 is arranged in the through hole, the sound-absorbing plate 241 is a polyester fiber sound-absorbing plate, and the shock-absorbing block 242 is made of ethylene Made of rubber. Specifically, the thickness of the metal plate outer layer 21 and the metal plate inner layer 26 is 2mm, the thickness of the sound insulation layer 22 is 1-1.5mm, the thickness of the first heat insulation layer 23 and the second heat insulation layer 25 is 1mm, the shock absorption The thickness of the sound absorbing layer 24 is 10 mm.

1 and 2, the fixing ring 3 includes two fixing housings 31, the two fixing housings 31 are pivotally connected to each other, and the fixing housing 31 and the outer cylinder 1 of the exhaust pipe are fixed by bolts to prevent fixing The casing 31 is separated from the outer cylinder 1 of the exhaust pipe due to vibration, and the fixed casing 31 is provided with a connecting plate 32, and the two connecting plates 32 are connected to the motorcycle by bolts, so as to achieve the effect of being firmly fixed on the motorcycle.

The above-mentioned embodiments are only preferred examples of the present utility model, and are not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the patent scope of the present utility model , shall be included in the scope of the patent application of the present invention.

Claims (7)

1. The utility model provides a carbon fiber blast pipe, its characterized in that, including blast pipe urceolus, amortization insulating layer and solid fixed ring, the blast pipe urceolus is equipped with two, and two blast pipe urceolus are hugged closely and are set firmly, the amortization insulating layer set up in the blast pipe urceolus, the blast pipe urceolus passes through gu fixed ring is fixed in on the motorcycle body, the blast pipe urceolus with gu fixed ring is carbon fiber material.

2. The carbon fiber exhaust pipe according to claim 1, wherein the sound-deadening and heat-insulating layer is provided with a metal plate outer layer, a sound-deadening layer, a first heat-insulating layer, a shock-absorbing and sound-absorbing layer, a second heat-insulating layer, and a metal plate inner layer in this order.

3. The carbon fiber exhaust pipe according to claim 2, wherein the outer metal plate layer and the inner metal plate layer are galvanized plates, the soundproof layer is a damping soundproof felt, and the first and second heat insulating layers are made of E-glass fiber cloth.

4. The carbon fiber exhaust pipe according to claim 2 or 3, wherein the shock absorption and sound absorption layer comprises a shock absorption block and a sound absorption plate, a through hole is formed in the sound absorption plate, and the shock absorption block is arranged in the through hole.

5. The carbon fiber exhaust pipe according to claim 4, wherein the sound-absorbing plate is a polyester fiber sound-absorbing plate, and the damper block is made of ethylene propylene rubber.

6. The carbon fiber exhaust pipe as claimed in claim 5, wherein the fixing ring comprises two fixing housings pivotally connected to each other, and the fixing housings are fixed to the outer cylinder of the exhaust pipe.

7. The carbon fiber exhaust pipe according to claim 6, wherein the fixing housing is provided with a connecting plate, and the two connecting plates are connected by a bolt.

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