TWI665382B - Automobile exhaust tail pipe protective sleeve structure with high efficient heat dissipation capability - Google Patents

Abstract

An automobile exhaust tail pipe protective sleeve structure with high-efficiency heat dissipation capability mainly includes: an outer pipe; and an inner pipe, which is coaxially placed in the outer pipe so that the inner pipe and the outer pipe form There is a ring-shaped heat radiation space, and a plurality of heat radiation holes penetrating the inner and outer surfaces are formed on the outer tube, so that the heat radiation holes communicate with the heat radiation space to the outside; a combined tail ring is plugged in the same direction as the outer tube and the inner tube Between one end, a plurality of ventilation holes arranged at an equal interval in a ring shape are formed axially on the combined tail ring, and the ventilation holes communicate with the heat dissipation space to the outside; a foamed metal is filled in the outer tube and the inner In the heat dissipation space between the tubes; a tube clamp is connected to the other end of the inner tube for clamping and combining with the tail pipe of an automobile; thereby, the foamed metal absorbs thermal energy, and Force exhaust through the heat dissipation space and heat dissipation holes and ventilation holes to maintain better heat dissipation effect.

Description

Automobile exhaust tail pipe protective sleeve structure with high efficient heat dissipation capability

The invention relates to automobile accessory parts, in particular to an automobile exhaust tail pipe protective sleeve structure with high efficient heat dissipation capability.

According to the car, the tail pipe of the car is used to discharge the high-temperature exhaust gas generated by the car, so the temperature of the tail pipe is extremely high. If you accidentally touch it, you may be burned.

Therefore, there are protective sleeves on the market that can be installed on the exhaust tail pipe. Although this protective sleeve can block the exhaust tail pipe, its heat dissipation effect is not good, but it is easy to cause the accumulation of temperature. Dispersion may even affect the smoothness of the exhaust.

In order to improve the conventionally installed protective sleeve on the exhaust pipe of the automobile, the invention has the problems of poor heat dissipation, easy accumulation of temperature, and affecting the smoothness of the exhaust; therefore, the invention provides an automobile exhaust with high heat dissipation capability. The structure of the air tube protective sleeve mainly includes: an outer tube in a hollow tube shape, the outer tube defining an outer tube head end and an outer tube tail end at the opposite end positions; an inner tube in a hollow tube shape, the The inner tube defines an inner tube head end and an inner tube tail end at opposite ends, respectively. The inner tube is coaxially placed in the outer tube, so that a circular heat dissipation is formed between the inner tube and the outer tube. Space, the outer pipe is formed with a plurality of heat dissipation holes penetrating the inner and outer surfaces, so that the heat dissipation holes communicate with the heat dissipation space to the outside; a combined tail ring is ring-shaped, and one end of the combined tail ring is plugged outside the outer pipe Between the end of the tube and the end of the inner tube of the inner tube, the combined tail ring is combined with the outer tube and the inner tube, and a plurality of vent holes arranged at an equal interval are formed on the combined tail ring in the axial direction. The ventilation holes are connected to the heat dissipation space to the outside; a foam The foamed metal is filled in the heat dissipation space between the outer tube and the inner tube; a tube clamp is connected to the inner tube head end of the inner tube for connecting with the tail pipe of an automobile Those who perform clamping and binding; in order to achieve better heat dissipation effect.

Please refer to the first to fifth figures, which are a structure for protecting a tail pipe of an automobile exhaust pipe with high heat dissipation capability provided by a preferred embodiment of the present invention. The structure mainly includes an outer pipe 10, an inner pipe 20, a combination Tail ring 30, a foamed metal 40 and a pipe clamp 50, of which;

Please refer to the first to fourth figures. The outer tube 10 is made of aluminum alloy and has a hollow tube shape. The outer tube 10 may define an outer tube head end 11 and an outer tube tail end 12 at opposite ends. The outer tube 10 is formed with a plurality of heat dissipation holes 13 penetrating the inner and outer surfaces. In this embodiment, the heat dissipation The hole 13 is in the shape of a fish scale, that is, the heat dissipation hole 13 penetrates the outer surface of the outer tube 10 obliquely from the inner surface of the outer tube 10 toward the tail end 12 of the outer tube.状 Set of Hook Slot 14.

Referring to the first to fourth figures, the inner tube 20 has a hollow tube shape. The inner tube 20 can define an inner tube head end 21 and an inner tube tail end 22 at opposite ends, respectively. The outer surface of the inner tube 20 has a plurality of support portions 23 arranged at predetermined intervals, and each support portion 23 A hook portion 231 is provided. The inner tube 20 is coaxially placed in the outer tube 10, and the hook portion 231 of the support portion 23 of the inner tube 20 and the hook groove 14 of the outer tube 20 are hooked and combined to make the inner tube 20 and the outer tube 20 A circular heat dissipation space 24 is formed between the tubes 10. The heat dissipation hole 13 of the outer tube 10 is communicated with the heat dissipation space 24 to the outside.

Please refer to the first to fourth figures. The coupling tail ring 30 is annular. The outer surface of the coupling tail ring 30 is recessed with an outer tube coupling groove 31. The inner surface of the coupling tail ring 30 is recessed with an inner tube coupling. Slot 32, one end of the coupling tail ring 30 is inserted between the outer tube tail end 12 of the outer tube 10 and the inner tube tail end 22 of the inner tube 20, so that the outer tube 10 is provided by the outer tube coupling groove 31 The outer tube tail end 12 is abutted and combined, and the inner tube coupling groove 32 is used for abutting and bonding the inner tube tail end 22 of the inner tube 20, so that the outer tube 10 and the inner tube 20 are joined by the combining tail ring 30. Perform binding fixation. A plurality of ventilation holes 33 are formed in the coupling tail ring 30 axially at equal intervals, and the ventilation holes 33 communicate with the heat dissipation space 24 to the outside.

Please refer to the first to fourth figures. The foamed metal 40 is filled in the heat dissipation space 24 of the outer tube 10 and the inner tube 20. The foamed metal 40 is a foamed mixture of foamed material and metal. The body is provided with thermal conductivity by the metal and heat dissipation by the porosity of the foamed material, so that the foamed metal 40 can simultaneously have the characteristics of good thermal conductivity and heat dissipation.

Referring to the first to fourth figures, the pipe clamp 50 is connected to the inner pipe head end 22 of the inner pipe 20 for clamping and combining with the tail pipe of an automobile.

Therefore, the above is an introduction to the components and assembly methods of an automobile exhaust tail pipe protective cover structure with high efficiency for heat dissipation provided by a preferred embodiment of the present invention, and then its use characteristics are described as follows; As shown in the figure, when the present invention is combined with the exhaust tail pipe 90 of the automobile, the foam metal 40 absorbs and conducts the high heat generated by the exhaust tail pipe 90, and the external wind will From the outer tube head end 11 of the outer tube 10 and the inner tube head end 21 of the inner tube 20 enters the heat dissipation space 24 and passes through the foamed metal 40 to pass the high heat absorbed by the foamed metal 40 through the The heat radiation holes 13 and the ventilation holes 33 are forcibly discharged.

In this way, the high temperature of the exhaust tail pipe 90 can be effectively radiated by the present invention, so that the temperature of the exhaust tail pipe can be prevented from accumulating, and the smoothness of the exhaust can be improved.

In addition, as shown in the fifth figure, the present invention may further include a tube bundle 60 which is fastened to the pipe clamp 50 to prevent the loosening between the present invention and the exhaust tail pipe 90.

The above disclosure is only the preferred embodiments provided by the present invention, and is not intended to limit the scope of implementation of the present invention. Any equivalent changes made by those skilled in the art in accordance with the present invention should belong to the present invention. Coverage.

10‧‧‧ Outer tube

11‧‧‧ outer tube head

12‧‧‧Tail end of outer tube

13‧‧‧Ventilation holes

14‧‧‧ Hook slot

20‧‧‧Inner tube

21‧‧‧Inner tube head

22‧‧‧ End of inner tube

23‧‧‧ support

231‧‧‧Hook Department

24‧‧‧Cooling space

30 ‧‧‧ combined tail ring

31‧‧‧Outer tube coupling groove

32‧‧‧Inner tube coupling groove

33‧‧‧Ventilation holes

40‧‧‧foamed metal

50‧‧‧pipe clamp

60‧‧‧ tube bundle

90‧‧‧ exhaust tail pipe

The first diagram is a three-dimensional assembly diagram of a preferred embodiment of the present invention. The second figure is an exploded perspective view of the embodiment shown in the first figure. The third figure is a combined sectional view of the embodiment shown in the first figure. The fourth diagram is a schematic diagram of the use state of the embodiment shown in the first diagram. The fifth diagram is a schematic diagram of the implementation of the embodiment shown in the first diagram.

Claims (6)

An automobile exhaust tail pipe protective sleeve structure with high-efficiency heat dissipation capability mainly includes: an outer pipe, which is hollow in shape, and the outer pipe defines an outer pipe head end and an outer pipe tail end at opposite ends; The inner tube has a hollow tube shape, and the inner tube defines an inner tube head end and an inner tube tail end at opposite ends, respectively. The inner tube is coaxially placed in the outer tube so that the inner tube and the outer tube are concentric. A ring-shaped heat radiation space is formed between the tubes, and a number of fish-scale heat dissipation holes are formed on the outer tube, and the heat dissipation holes penetrate from the inner surface of the outer tube to the outer surface of the outer tube obliquely, The heat dissipation hole communicates with the heat dissipation space to the outside; a combined tail ring is ring-shaped, and one end of the combined tail ring is plugged between the outer end of the outer tube and the inner end of the inner tube so that The combination tail ring is combined with the outer tube and the inner tube, and a plurality of ventilation holes arranged in a circle at an equal interval are formed axially on the combination tail ring, and the ventilation holes communicate with the heat dissipation space to the outside; a foam Metal, the foamed metal is filled between the outer tube and the inner tube for heat dissipation In the meantime, the foamed metal is a foamed mixture of foamed material and metal. The metal provides thermal conductivity and the foamed material provides porous heat dissipation. A tube clamp is connected to the inner tube end of the inner tube. For clamping and combining with the tail pipe of a car. As described in item 1 of the scope of the patent application, the exhaust pipe protective cover structure of the automobile with high heat dissipation capability, wherein the outer pipe is made of aluminum alloy material. As described in item 1 of the scope of the patent application, the exhaust pipe protective cover structure of an automobile with high heat dissipation capability has a plurality of support portions arranged annularly at a predetermined interval on the outer surface of the inner tube. The support portion is in contact with the inner surface of the outer tube. As described in item 3 of the scope of the patent application, the exhaust pipe protective cover structure of the automobile with high heat dissipation capability, wherein the inner surface of the outer tube has a plurality of hook grooves arranged in a ring at a predetermined distance; each support of the inner tube The part has a hook part, and the hook part of each support part is hook-coupled with the hook groove of the outer tube. As described in item 1 of the scope of the patent application, an automotive exhaust tail pipe protective sleeve structure with high heat dissipation capability, wherein the outer surface of the combined tail ring is recessed with an outer pipe coupling groove, and the inner surface of the combined tail ring is recessed with an inner pipe. The combining groove is used for abutting and joining the tail end of the outer pipe of the outer pipe by the outer pipe combining groove and the inner pipe combining groove is used for abutting and joining the tail end of the inner pipe of the inner pipe. As described in item 1 of the scope of the patent application, the exhaust pipe protective cover structure of the automobile with high heat dissipation capability further includes a tube bundle, which is used to tighten the tube clamp.