CN212535832U - Cold end heat shield of engine exhaust system - Google Patents
Cold end heat shield of engine exhaust system Download PDFInfo
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- CN212535832U CN212535832U CN202021091317.8U CN202021091317U CN212535832U CN 212535832 U CN212535832 U CN 212535832U CN 202021091317 U CN202021091317 U CN 202021091317U CN 212535832 U CN212535832 U CN 212535832U
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Abstract
The utility model discloses an engine exhaust system cold junction separates heat exchanger belongs to automobile engine spare part technical field, the rain cover comprises a cover body, cover body left side fixedly connected with buckle, cover body right side fixedly connected with buckle groove, it is connected with the high temperature resistant board of inlayer to inlay in the middle of buckle and the buckle groove, the outer high temperature resistant board of the high temperature resistant board below fixedly connected with of inlayer, the mounting hole face is installed to cover body middle part both sides, mounting hole face below cooperation is connected with the insulating layer, carry out the buckle formula between buckle and the buckle groove and be connected. The utility model discloses the device can't surround in the inside of the cover body and make exhaust system's pipeline carry out effectual thermal-insulated, and internal connection is inconvenient, does not externally be provided with the amortization layer, can't carry out the amortization to the inside noise that sends of exhaust system, influences the driving experience and feels.
Description
Technical Field
The utility model relates to an automobile engine spare part technical field especially relates to an engine exhaust system cold junction separates heat exchanger.
Background
When the engine works in normal operation, high-temperature waste gas formed after combustion and work is exhausted through the exhaust manifold, and the high-temperature waste gas carries a large amount of heat, so that the temperature of an exhaust system is high, and high-temperature heat radiation is carried out on surrounding parts of the exhaust system. With the wide application of the engine supercharging technology, the supercharged engine has the advantages of stronger power and more oil saving compared with natural air suction, but the exhaust temperature is increased sharply after the supercharging technology is adopted, so that the heat emitted is increased correspondingly. Therefore, in order to ensure the normal operation and safety of the engine, engineers use the exhaust system heat shield to isolate the exhaust system and perform heat insulation treatment.
Patent No. 201821936670.4 discloses an engine exhaust heat shield including a heat shield top cover and front, rear, left and right panels extending from the periphery of the heat shield top cover. The front plate is provided with an opening structure, and the opening structure is convenient for placing a turbocharger heat shield. The top cover of the heat shield is provided with a first mounting hole, and the first mounting hole is used for being connected and fixed with a mounting structure of the heat shield of the turbocharger through a threaded fastener. The rear plate is provided with a notch, and the notch is convenient for placing the front oxygen sensor. And a second mounting hole is formed in the rear plate and used for being connected and fixed with a mounting structure of the catalyst heat shield through a threaded fastener. The heat shield top cover, the front plate, the rear plate, the left plate and the right plate form a hat-shaped containing cavity for containing rising high-temperature hot air generated in a transient state, so that transient impact on parts around an engine and an exhaust pipe is avoided, and the structural stability of the parts is ensured.
The engine exhaust heat shield of the above-described technology has the following disadvantages: the device can't surround in the inside of the cover body and make exhaust system's pipeline carry out effectual thermal-insulated, and internal connection is inconvenient, does not externally be provided with the amortization layer, can't carry out the amortization to the inside noise that sends of exhaust system, influences and drives experience and feel.
SUMMERY OF THE UTILITY MODEL
The utility model provides an engine exhaust system cold junction separates heat exchanger, the device carry out the enclosed type in the inside of the cover body and make exhaust system's pipeline carry out effectual thermal-insulated, and internal connection is convenient, is provided with the amortization layer externally, can carry out the amortization to the inside noise that sends of exhaust system, does not influence the driving experience and feels.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of engine exhaust system cold junction separates heat exchanger, the rain cover comprises a cover body, cover body left side fixedly connected with buckle, cover body right side fixedly connected with buckle groove, inlay in the middle of buckle and the buckle groove and be connected with the high temperature resistant board of inlayer, the outer high temperature resistant board of inlayer high temperature resistant board below fixedly connected with, the mounting hole face is installed to cover body middle part both sides, mounting hole face below cooperation is connected with the insulating layer, carry out the buckle formula between buckle and the buckle groove and be connected.
Optionally, the outer side wall of the cover body is provided with a silencing layer, and the silencing layer is uniformly distributed on the surface of the cover body.
Optionally, the cover body is connected around the exhaust pipe, and a connecting piece is arranged at the connection position of the cover body.
Optionally, a vent hole is formed in the middle of the mounting hole surface.
Optionally, the heat insulation layer is made of high temperature resistant sound absorption and shock absorption materials.
The utility model has the advantages as follows:
the embodiment of the utility model provides an engine exhaust system cold junction separates heat exchanger:
the middle part of the cover body is respectively provided with an inner high temperature resistant plate and an outer high temperature resistant plate, the two high temperature resistant plates can effectively prevent the heat inside the cover body from bursting outside and influencing other tiny parts beside an engine, the high temperature resistant layer is made of a high temperature resistant sound absorption material fiber layer and can effectively absorb the pneumatic noise inside the exhaust pipe, the inside of the cover body is provided with a vent hole at the position of a mounting face hole, the ventilation between pipelines can be effectively carried out, the problem that the mounting face hole cannot be coated with the pipeline and the heat dissipation is not timely is avoided, a heat insulation layer is arranged below the mounting face hole and is made of high temperature resistant sound absorption and shock absorption materials, the noise emitted by the exhaust pipe can be effectively absorbed, the vibration generated when the exhaust pipe is started can be effectively avoided after the inside is coated, a buckle and a buckle groove are arranged on the surface of the cover body and can be connected through, stability inadequately when avoiding it to connect, make it can be normal insulate against heat can not lead to the fact the blast pipe to drop, and there is the noise damping layer at the external connection of the cover body, through the structure of noise damping in situ portion, can completely cut off a large amount of noises that inside engine produced when the pipeline, it is better to make whole syllable-dividing effect, the device carries out the enclosed type in the inside of the cover body and makes exhaust system's pipeline carry out effectual thermal-insulated, and internal connection is convenient, be provided with the noise damping layer externally, can carry out the amortization to the inside noise that sends of exhaust system, do not influence the driving experience and feel.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a cold-end heat shield of an engine exhaust system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sound attenuation layer of a cold-end heat shield of an engine exhaust system according to an embodiment of the present invention;
fig. 3 is the utility model discloses an outside schematic structure of blast pipe of engine exhaust system cold junction heat exchanger that separates.
In the figure: 1. a cover body; 2. buckling; 3. an inner layer high temperature resistant plate; 4. an outer high temperature resistant plate; 5. mounting a hole surface; 6. a thermal insulation layer; 7. a fastening groove; 8. a sound-deadening layer; 9. an exhaust pipe; 10. a connecting member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
The cold end heat shield of the engine exhaust system according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1-3, the embodiment of the utility model provides a pair of engine exhaust system cold junction separates heat exchanger, including the cover body 1, 1 left side fixedly connected with buckle 2 of the cover body, 1 right side fixedly connected with buckle groove 7 of the cover body, inlay in the middle of buckle 2 and buckle groove 7 and be connected with inlayer high temperature resistant plate 3, inlayer high temperature resistant plate 3 below fixedly connected with skin high temperature resistant plate 4, mounting hole face 5 is installed to 1 middle part both sides of the cover body, the cooperation of 5 below mounting hole faces is connected with insulating layer 6, carry out the buckle formula between buckle 2 and the buckle groove 7 and be connected.
The example, install inlayer high temperature resistant plate 3 and outer high temperature resistant plate 4 respectively at the middle part of the cover body 1, can effectually avoid its inside heat to burst the external world through two-layer high temperature resistant plate, influence other small parts of engine side, and the below of mounting surface hole 5 installs insulating layer 6, insulating layer 6 adopts high temperature resistant sound absorption and absorbing material to make, can effectively adsorb the noise that blast pipe 9 sent, and can effectively avoid the vibrations that blast pipe 9 produced when starting after the inside cladding.
Referring to fig. 2, the outer side wall of the cover body 1 is provided with a sound-deadening layer 8, and the sound-deadening layer 8 is uniformly distributed on the surface of the cover body 1.
In the example, the noise reduction layer 8 is connected to the outer part of the cover body 1, and a large amount of noise generated when an internal engine passes through a pipeline can be isolated through the structure in the noise reduction layer 8, so that the whole sound insulation effect is better.
Referring to fig. 3, the cover 1 is connected around the exhaust pipe 9, and a connecting member 10 is provided at the connection of the cover 1.
In the example, the buckle 2 and the buckle groove 7 are installed on the surface of the cover body 1, and the cover body and the buckle groove can be connected through the connecting piece 10 outside the exhaust pipe 9, so that the connection is not stable enough, and the exhaust pipe 9 can be normally insulated and cannot fall off.
Referring to fig. 1, a vent hole is formed in the middle of the mounting hole surface 5.
In the example, the ventilation holes are formed in the positions of the mounting face holes 5, so that the pipelines can be effectively ventilated, the situation that the pipelines cannot be coated on the mounting face holes 5 is avoided, and the situation that heat dissipation is not timely is avoided.
Referring to fig. 1, the heat insulation layer 6 is made of high temperature resistant sound absorption and shock absorption materials.
In an example, the high temperature resistant layer is made of a high temperature resistant sound absorption material fiber layer, which can effectively absorb the aerodynamic noise inside the exhaust pipe 9.
When in use, the middle part of the cover body 1 is respectively provided with the inner high temperature resistant plate 3 and the outer high temperature resistant plate 4, the two layers of high temperature resistant plates can effectively prevent the heat inside the cover body from bursting outside to influence other tiny parts beside an engine, the high temperature resistant layer is made of a high temperature resistant sound absorption material fiber layer, the pneumatic noise inside the exhaust pipe 9 can be effectively absorbed, the inside of the cover body is provided with a vent hole at the position of the mounting face hole 5, the pipelines can be effectively ventilated, the phenomenon that the mounting face hole 5 cannot be coated with the pipelines to cause untimely heat dissipation is avoided, the heat insulation layer 6 is arranged below the mounting face hole 5, the heat insulation layer 6 is made of high temperature resistant sound absorption and shock absorption materials, the noise emitted by the exhaust pipe 9 can be effectively absorbed, the vibration generated by the exhaust pipe 9 during starting can be effectively avoided after the inside is coated, the buckle 2 and the buckle groove 7 are, between the two, connecting piece 10 outside accessible blast pipe 9 is connected, and is unstable inadequately when avoiding it to connect, makes it can be normal insulate against heat can not cause the dropping blast pipe 9, and has noise damping layer 8 at the external connection of the cover body 1, through the structure of noise damping layer 8 inside, can completely cut off a large amount of noises that inside engine produced when the pipeline, makes whole syllable-dividing effect better.
The utility model relates to a cold end heat shield of an engine exhaust system, which comprises a shield body 1; 2. buckling; 3. an inner layer high temperature resistant plate; 4. an outer high temperature resistant plate; 5. mounting a hole surface; 6. a thermal insulation layer; 7. a fastening groove; 8. a sound-deadening layer; 9. an exhaust pipe; 10. the connecting members and the components are all standard parts or components known to those skilled in the art, and the structure and principle of the connecting members and the components are known to those skilled in the art through technical manuals or through routine experiments.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides an engine exhaust system cold junction separates heat exchanger, includes the cover body (1), its characterized in that, the cover body (1) left side fixedly connected with buckle (2), the cover body (1) right side fixedly connected with buckle groove (7), buckle (2) and buckle groove (7) middle mosaic are connected with inlayer high temperature resistant plate (3), inlayer high temperature resistant plate (3) below fixedly connected with skin high temperature resistant plate (4), mounting hole face (5) are installed to the cover body (1) middle part both sides, mounting hole face (5) below cooperation is connected with insulating layer (6), carry out the buckle formula between buckle (2) and buckle groove (7) and be connected.
2. The cold end heat shield for the engine exhaust system according to claim 1, characterized in that the outer side wall of the shield body (1) is provided with a sound-deadening layer (8), and the sound-deadening layer (8) is uniformly distributed on the surface of the shield body (1).
3. The cold end heat shield for the engine exhaust system according to claim 1, characterized in that the shields (1) are connected around an exhaust pipe (9), and a connecting piece (10) is arranged at the connection of the shields (1).
4. The cold end heat shield of the engine exhaust system according to claim 1, wherein a vent hole is formed in the middle of the mounting hole surface (5).
5. The cold end heat shield for the engine exhaust system according to claim 1, characterized in that the heat insulating layer (6) is made of a high temperature resistant sound absorbing and shock absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091317.8U CN212535832U (en) | 2020-06-15 | 2020-06-15 | Cold end heat shield of engine exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091317.8U CN212535832U (en) | 2020-06-15 | 2020-06-15 | Cold end heat shield of engine exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212535832U true CN212535832U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021091317.8U Active CN212535832U (en) | 2020-06-15 | 2020-06-15 | Cold end heat shield of engine exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212535832U (en) |
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2020
- 2020-06-15 CN CN202021091317.8U patent/CN212535832U/en active Active
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