Exhaust heat shield assembly for a vehicle and vehicle

Abstract

The utility model belongs to the field of automobile manufacturing technology, concretely relates to a kind of exhaust heat insulation assembly and car for automobile, exhaust heat insulation assembly includes heat insulation disc, laying water-absorbing cotton above heat insulation disc, the fixed part for fixing water-absorbing cotton and heat insulation disc, heat insulation disc is provided with water collecting groove, water collecting groove is communicated with air conditioner drip tube, and water-absorbing cotton is embedded in water collecting groove.The car includes the vehicle body of the driver's cabin, air conditioner, air conditioner drip tube, exhaust system, air conditioner drip tube extends to the below of vehicle body, exhaust heat insulation assembly is isolated between vehicle body and exhaust system, and the water outlet end of air conditioner drip tube is located above exhaust heat insulation assembly.The utility model provides a kind of exhaust heat insulation assembly and car for automobile, high-efficiency heat insulation, directional water guide, noise reduction and corrosion prevention are integrated, improve the functional practicability, integration degree and use reliability of exhaust heat insulation assembly, also prolong the service life of exhaust system and vehicle body related structure, optimize the overall use experience of vehicle.

Description

Technical Field

[0001] This utility model belongs to the field of automobile manufacturing technology, specifically relating to an exhaust heat insulation component for automobiles and an automobile. Background Technology

[0002] Car air conditioning systems produce condensation during operation, which is typically drained outside the vehicle through the air conditioning drip hose. Currently, most car air conditioning drip hoses are positioned directly towards the bottom of the vehicle, lacking a targeted guide or drainage design, resulting in irregular dripping of condensation. When the vehicle is traveling at high speeds, the dripping condensation is easily affected by airflow, deviating from its natural trajectory and splashing or dripping directly onto the exhaust system (such as exhaust pipes, mufflers, and other high-temperature components) or chassis components. On one hand, the exhaust system and chassis components are constantly subjected to the erosion of condensation, especially since the condensation may contain dust and impurities, which accelerates corrosion and aging of the exhaust system, shortening its lifespan and potentially causing damage and leaks, affecting normal vehicle operation. On the other hand, when the low-temperature condensation drips or splashes onto the high-temperature exhaust system, it instantly produces a hissing noise, which can be heard by passengers at low speeds, disrupting their comfort. Utility Model Content

[0003] This invention provides an exhaust heat insulation component and a car for automobiles, solving the technical problems in the prior art of disorderly dripping water from car air conditioners leading to corrosion and damage to the bottom structure of the car and the ear-piercing noise caused by condensation dripping onto the exhaust system.

[0004] The technical solution adopted in this utility model is as follows: This utility model provides an exhaust heat insulation component for automobiles. The exhaust heat insulation component isolates the automobile's exhaust system from the automobile body. An air conditioning drip pipe is also provided under the automobile body. The exhaust heat insulation component includes a heat insulation plate, absorbent cotton laid on top of the heat insulation plate, and a fixing member that fixes the absorbent cotton to the heat insulation plate. The heat insulation plate is provided with a downwardly recessed water collection groove, which is connected to the air conditioning drip pipe. The absorbent cotton is embedded in the water collection groove.

[0005] This utility model provides an exhaust heat insulation component for automobiles, which not only achieves heat isolation between the exhaust system and the vehicle body, preventing the high temperature of the exhaust system from being transferred to the vehicle body and affecting the stability of the vehicle body components, but also, while ensuring basic heat insulation effect, utilizes a combination of a heat insulation plate, absorbent cotton, and fasteners. The fasteners ensure the reliable connection between the absorbent cotton and the heat insulation plate, preventing the absorbent cotton from shifting or falling off due to vibration during vehicle operation. The heat insulation plate's water collection grooves directionally collect condensate from the air conditioning drip pipes, and the strong water absorption of the absorbent cotton embedded in the water collection grooves not only directionally attracts water flow and stores condensate, but also prevents condensate from being damaged by vehicle bumps or water droplets. When the condensate accumulates, it overflows from the edge of the water collection tank. Simultaneously, the heat insulation plate utilizes the high temperature conducted by the exhaust system to accelerate the evaporation of condensate stored in the tank, preventing long-term water accumulation that could saturate the absorbent cotton or breed impurities within the tank. This eliminates the ear-piercing noise caused by disorderly dripping condensate into the exhaust system, improving the comfort of passengers and preventing corrosion damage to the exhaust system and vehicle body structures caused by indiscriminate condensate flow, thus extending their service life. Furthermore, by integrating the inherent functions of air conditioning condensate guidance, evaporation, noise reduction, and corrosion prevention into the vehicle's heat insulation plate, it also solves the problem of limited functionality in existing heat insulation components. In summary, this utility model provides an exhaust heat insulation component for automobiles that integrates high-efficiency heat insulation, directional water guidance, water absorption and overflow prevention, rapid evaporation, noise reduction, and corrosion prevention. It enhances the functionality, integration, and reliability of the exhaust heat insulation component, extends the service life of the exhaust system and vehicle body structures, and optimizes the overall vehicle user experience.

[0006] In a preferred embodiment, the exhaust insulation assembly further includes a reinforcing frame that extends along the edge of the insulation disc and is fixedly connected to the edge of the insulation disc.

[0007] By incorporating a reinforced frame that extends and is securely connected along the edge of the heat shield, the structural integrity and stress resistance of the heat shield are specifically enhanced. This prevents edge cracking, warping, or insufficient overall rigidity from occurring under the vibrations and impacts of long-term vehicle operation and the high temperatures of the exhaust system. The reinforced frame, through its circumferential reinforcement of the heat shield's edge, creates a stable support structure, ensuring that the heat shield maintains its designed shape under complex operating conditions. This extends the lifespan of the heat shield itself and provides structural support for the stable implementation of core functions such as condensate collection and heat insulation.

[0008] In a preferred embodiment, the heat insulation plate includes a plate body with the water collection tank, a baffle wall that bends upward from the edge of the plate body, and a flange extending outward from the baffle wall, wherein the reinforcing frame is fixedly connected to the flange.

[0009] The heat insulation plate features an integrated structure design consisting of the plate body, upward-bent baffles, and outward-extending flanges. Combined with the fixed connection between the reinforcing frame and the flanges, the baffles form a lateral enclosure for the water collection trough, preventing condensate from overflowing from the trough's edge during collection or temporary storage. For example, it reliably prevents water from overflowing from the trough's edge during vehicle bumps or water flow, ensuring that condensate remains confined within the trough and is fully absorbed by the absorbent cotton and subsequently dried by the exhaust system. Simultaneously, the flange structure itself enhances the structural strength of the heat insulation plate's edge, further improving the synergistic reinforcement effect with the reinforcing frame. The flanges ensure a tight, even fit between the flanges and the reinforcing frame, maximizing the reinforcing effect of the frame and improving assembly stability.

[0010] In a preferred embodiment, the exhaust insulation assembly further includes a cover plate, which is pressed above the absorbent cotton and fixedly connected to the insulation plate, and the cover plate is provided with perforations.

[0011] The design, with the cover plate pressing down on the absorbent cotton and fixed to the heat insulation plate, physically presses down on the absorbent cotton to create a longitudinal limit, preventing it from swelling due to water absorption, vehicle bumps, or long-term use, causing it to bulge, shift, or even detach from the water collection tank. This ensures the absorbent cotton always adheres to the inner wall of the water collection tank, thus improving the directional water guidance and water retention effect. The perforated holes on the cover plate provide a smooth evaporation channel for the condensate drained from the air conditioning drip pipe, while also preventing the absorbent cotton from deforming or shifting due to external force or airflow impact. This enhances the assembly stability of the absorbent cotton, ensures smooth moisture dissipation, and improves durability.

[0012] In a preferred embodiment, the fastener passes through the cover plate and the absorbent cotton in sequence and is locked to the heat insulation plate.

[0013] The fasteners pass through the cover plate and the absorbent cotton is locked to the heat insulation plate in sequence. The connection method is simple and stable, which makes the pressure of the cover plate on the absorbent cotton more uniform and lasting. It effectively prevents the absorbent cotton from bulging or shifting in a localized manner, and ensures that the absorbent cotton always stays in close contact with the inner wall of the water collection tank to give full play to its water absorption and storage functions.

[0014] In a preferred embodiment, the water collection tank includes a main channel and a plurality of branch channels extending from the main channel toward the edge of the insulation plate, with one end of the main channel directly below the air conditioner drip pipe.

[0015] The water collection tank adopts a diversion design with a main channel and multiple branch channels. One end of the main channel faces directly below the air conditioner drip pipe. This design not only accurately collects the condensate discharged from the drip pipe, avoiding the risk of overflow caused by water directly impacting the collection tank, but also uses multiple branch channels to quickly divert and diffuse the condensate in the main channel to the edge area of ​​the insulation plate, increasing the contact area between the condensate and the insulation plate. This maximizes the water storage capacity of the insulation plate, given its limited area, resulting in better water collection and retention. At the same time, the branch channels extend from the main channel to the edge of the insulation plate, ensuring that the condensate is evenly distributed in the collection tank. This allows the absorbent cotton in different areas to fully absorb moisture, preventing localized saturation and dry edges. Combined with the high temperature conducted by the exhaust system, this accelerates the evaporation rate of the condensate, reducing the time that water accumulates in the collection tank.

[0016] In a preferred embodiment, the water collection tank further includes multiple branch channels extending from a single branch channel to adjacent branch channels.

[0017] The water collection tank is designed with multiple branch channels extending from a single branch channel to adjacent branch channels. Based on the main channel and branch channels, it further refines the water flow distribution path and maximizes the use of the effective area of ​​the heat insulation plate to form a network of channels that covers the entire area. This makes the water collection tank denser, allowing the condensate flowing from the main channel to the branch channels to be further diffused to all areas of the heat insulation plate, avoiding local water accumulation and overflow while other areas remain idle. It also maximizes the contact area between the absorbent cotton and the condensate, ensuring that all parts of the absorbent cotton absorb water evenly and become fully saturated, thus expanding the water collection effect. At the same time, in conjunction with the high-temperature conduction of the exhaust system, the condensate can evaporate simultaneously over a wider area, greatly improving evaporation efficiency and shortening the residence time of water in the water collection tank.

[0018] In a preferred embodiment, the heat insulation plate is provided with an upwardly protruding positioning post, and the absorbent cotton is provided with a limiting hole for the positioning post to pass through, wherein the positioning post and the limiting hole are mutually limitingly engaged.

[0019] The precise fit between the upward-protruding positioning pins of the heat insulation plate and the limiting holes of the absorbent cotton directly restricts the horizontal displacement of the absorbent cotton on the surface of the heat insulation plate. This ensures that the absorbent cotton is accurately embedded in the water collection groove, preventing it from shifting due to vehicle vibration or water flow impact. This, in turn, ensures that condensate flows smoothly into the water collection groove and is evenly absorbed by the absorbent cotton, preventing overflow and disorderly flow. Simultaneously, the positioning pins also serve as fixing points for secure connection to the vehicle body, creating a cavity between the upper surface of the heat insulation plate and the vehicle body. This achieves the vehicle body's heat insulation function and allows for rapid evaporation of water in the water collection groove without obstruction.

[0020] In a preferred embodiment, the heat insulation plate is further provided with an upwardly protruding guide pipe, one end of which is connected to the water collection tank, and the other end is used to connect to the air conditioner drip pipe.

[0021] By setting up a guide pipe, a directional delivery channel for condensate is formed from the air conditioner drip pipe to the water collection tank, achieving precise condensate flow and leak-free connection. This prevents condensate from splashing or overflowing due to airflow interference or vehicle bumps during its descent, ensuring that the condensate flows into the water collection tank.

[0022] This utility model also provides an automobile, including a body with an internal driver's cabin, an air conditioner installed on the body, an air conditioner drip pipe connected to the air conditioner, and an exhaust system located under the body. The air conditioner drip pipe extends to the underside of the body. The automobile also includes the aforementioned exhaust heat insulation component, which isolates the body from the exhaust system, and the outlet end of the air conditioner drip pipe is located above the exhaust heat insulation component.

[0023] The automobile provided by this utility model, by incorporating the aforementioned exhaust heat insulation component, achieves thermal isolation between the exhaust system and the vehicle body to ensure basic heat insulation performance, while also buffering air conditioning condensate. This integrates multiple functions such as high-efficiency heat insulation, directional water guidance, water absorption and overflow prevention, rapid evaporation, noise reduction, and corrosion prevention, improving the functionality, integration, and reliability of the exhaust heat insulation component. It also extends the service life of the exhaust system and related vehicle body structures, optimizing the overall vehicle user experience. Simultaneously, it optimizes the space utilization at the bottom of the vehicle body, avoiding structural redundancy caused by adding an additional condensate treatment device, further enhancing the overall reliability and comprehensive performance of the automobile.

[0024] In a preferred embodiment, the exhaust heat insulation component is fixed to the bottom of the vehicle body at an angle from one end near the air conditioning drip pipe to the other end.

[0025] The exhaust insulation component is designed to be fixed downwards at an angle from one end near the air conditioner drip pipe to the other end. Its shape forms a directional flow channel for condensate, allowing the condensate in the collection tank to flow naturally along the inclined direction. This allows the absorbent cotton to fully absorb the condensate, preventing local accumulation and overflow of water in the collection tank. Attached Figure Description

[0026] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is an exploded structural diagram of the exhaust heat insulation component in one embodiment of the present invention; Figure 2 This is a structural diagram of the exhaust heat insulation component in one embodiment of the present invention; Figure 3This is a schematic diagram of the upper structure of the heat insulation plate in one embodiment of the present invention; Figure 4 This is a schematic diagram of the lower structure of the heat insulation plate in one embodiment of the present invention.

[0027] List of components and reference numerals: 10. Insulation plate; 11. Plate body; 12. Baffle; 13. Flanged edge; 14. Positioning post; 20. Water collection trough; 21. Main stream trough; 22. Tributary trough; 23. Branch trough; 30. Absorbent cotton; 31. Limiting hole; 40. Air conditioner drip pipe; 50. Reinforcing frame; 60. Cover plate. Detailed Implementation

[0028] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other.

[0030] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] like Figure 1-4 As shown, in one embodiment of this utility model, an exhaust heat insulation component for automobiles is provided. The exhaust heat insulation component isolates the automobile's exhaust system from the automobile body. An air conditioning drip pipe 40 is also provided under the vehicle body. The exhaust heat insulation component includes a heat insulation plate 10, absorbent cotton 30 laid on top of the heat insulation plate 10, and a fixing member (not shown) that fixes the absorbent cotton 30 to the heat insulation plate 10. The heat insulation plate 10 is provided with a downwardly recessed water collection groove 20, which is connected to the air conditioning drip pipe 40. The absorbent cotton 30 is embedded in the water collection groove 20.

[0034] This utility model provides an exhaust heat insulation component for automobiles, which not only achieves heat isolation between the exhaust system and the vehicle body, preventing the high temperature of the exhaust system from being transferred to the vehicle body and affecting the stability of the vehicle body components, but also ensures basic heat insulation effect. Furthermore, through the combination of a heat insulation plate 10, absorbent cotton 30, and fixing components, the fixing components ensure the reliable connection between the absorbent cotton 30 and the heat insulation plate 10, preventing the absorbent cotton 30 from shifting or falling off due to vibration during vehicle operation. The heat insulation plate 10's water collection groove 20 directionally collects the condensate discharged from the air conditioning drip pipe 40. Combined with the strong water absorption of the absorbent cotton 30 embedded in the water collection groove 20, it can both directionally attract water flow and store condensate, and prevent condensate from being trapped by the vehicle. When there is a bump or water flow is concentrated, the water overflows from the edge of the water collection tank 20. At the same time, the heat insulation plate 10 can use the high temperature conducted by the exhaust system to accelerate the rapid evaporation of the condensate stored in the water collection tank 20, avoiding the long-term accumulation of water that could lead to saturation of the absorbent cotton 30 or the growth of impurities in the water collection tank 20. This prevents the jarring noise caused by the disorderly dripping of condensate into the exhaust system at the source, improving the comfort of the passengers in the vehicle. It also prevents the corrosion damage caused by the random flow of condensate to the exhaust system and related body structures, extending the service life of the exhaust system and related body structures. Moreover, by utilizing the inherent heat insulation plate 10 of the car to integrate the functions of guiding, evaporating, reducing noise and preventing corrosion of air conditioning condensate, it also solves the problem of the single function of existing heat insulation components. In summary, the exhaust heat insulation component for automobiles provided by this utility model integrates multiple functions such as high-efficiency heat insulation, directional water guidance, water absorption and overflow prevention, rapid evaporation, noise reduction and corrosion prevention. It improves the functionality, integration and reliability of the exhaust heat insulation component, extends the service life of the exhaust system and related vehicle body structures, and optimizes the overall user experience of the vehicle.

[0035] like Figure 1 As shown, in a preferred embodiment, the exhaust insulation assembly further includes a reinforcing frame 50 that extends along the edge of the insulation plate 10 and is fixedly connected to the edge of the insulation plate 10.

[0036] By incorporating a reinforcing frame 50 that extends and is fixedly connected along the edge of the heat insulation plate 10, the structural integrity and stress resistance of the heat insulation plate 10 can be specifically strengthened. This prevents the heat insulation plate 10 from cracking at the edges, warping, or becoming rigid due to vibrations and impacts from long-term vehicle operation and the high temperatures of the exhaust system. The reinforcing frame 50, through its circumferential reinforcement of the edge of the heat insulation plate 10, forms a stable support structure, ensuring that it maintains its design shape under complex operating conditions. This extends the service life of the heat insulation plate 10 and provides structural support for the stable implementation of core functions such as condensate collection and heat insulation.

[0037] Understandably, in this embodiment, to isolate and quickly dissipate heat from the exhaust system, the heat insulation plate is preferably made of aluminum, which dissipates heat quickly. The aluminum plate serves to isolate and rapidly dissipate heat, and when a water collection tank is installed, it is less prone to rusting. Furthermore, the heat from the exhaust system can quickly evaporate the condensate in the water collection tank. However, aluminum itself is relatively weak; therefore, a reinforcing frame is used to strengthen the edges of the aluminum plate to prevent deformation. Preferably, the reinforcing bracket is a one-piece molded frame or uses multiple separately connected reinforcing strips to secure the heat insulation plate.

[0038] like Figure 1 , 2 As shown, in a preferred embodiment, the exhaust insulation assembly further includes a cover plate 60, which presses against the absorbent cotton 30 and is fixedly connected to the insulation plate 10. The cover plate 60 has perforated holes 61. More preferably, a fastener passes through the cover plate 60 and the absorbent cotton 30 in sequence and is locked to the insulation plate 10. In this embodiment, the fastener can be a screw or a rivet.

[0039] The cover plate 60 is pressed against the absorbent cotton 30 and fixed to the heat insulation plate 10. Through physical pressing, the absorbent cotton 30 is longitudinally limited, preventing it from bulging, shifting, or even detaching from the water collection tank 20 due to water absorption, vehicle bumps, or long-term use. This ensures that the absorbent cotton 30 always adheres to the inner wall of the water collection tank 20, thereby improving the directional water guidance and water storage effect. The hollow holes on the cover plate 60 provide a smooth evaporation channel for the condensate discharged from the air conditioning drip pipe 40, and also prevent the absorbent cotton 30 from deforming or shifting due to external force or airflow impact. This strengthens the assembly stability of the absorbent cotton 30, ensures the smooth dissipation of water vapor, and improves its durability.

[0040] The fasteners pass through the cover plate 60 and the absorbent cotton 30 in sequence and are locked to the heat insulation plate 10. The connection method is simple and stable, which makes the pressure of the cover plate 60 on the absorbent cotton 30 more uniform and lasting. It effectively prevents the absorbent cotton 30 from bulging or shifting in a localized manner, and ensures that the absorbent cotton 30 always stays in close contact with the inner wall of the water collection tank 20 to give full play to its water absorption and storage functions.

[0041] It should be noted that this utility model does not limit the method of fixing the absorbent cotton to the heat insulation plate. For example, the fixing component uses waterproof adhesive, and the absorbent cotton is attached to the heat insulation plate through the waterproof adhesive. Alternatively, in other embodiments, the exhaust heat insulation component omits the pressing of the cover plate mentioned above, and the fixing component includes fixing nails and gaskets, thereby directly fixing the absorbent cotton to the heat insulation plate.

[0042] In addition to being finally fixed to the absorbent cotton and the heat insulation plate with fasteners, they can also be pre-positioned or limited in place, for example... Figure 1As shown, in a preferred embodiment, the heat insulation plate 10 is provided with an upwardly protruding positioning post 14, and the absorbent cotton 30 is provided with a limiting hole 31 through which the positioning post 14 passes, and the positioning post 14 and the limiting hole 31 are matched for limiting.

[0043] The precise matching design of the upward-protruding positioning post 14 of the heat insulation plate 10 and the limiting hole 31 of the water-absorbing cotton 30 directly restricts the horizontal displacement of the water-absorbing cotton 30 on the surface of the heat insulation plate 10, ensuring that the water-absorbing cotton 30 is accurately embedded in the water collection groove 20, avoiding the displacement of the water-absorbing cotton 30 caused by vehicle vibration or water flow impact, thereby ensuring that the condensate can flow smoothly into the water collection groove 20 and be evenly absorbed by the water-absorbing cotton 30, preventing the condensate from overflowing and flowing disorderly.

[0044] Meanwhile, as a preferred embodiment, the positioning post 14 can also serve as a fixed point for fixed connection with the vehicle body, thereby forming a cavity between the upper surface of the heat insulation plate 10 and the vehicle body, achieving the heat insulation effect of the vehicle body and ensuring that the water in the water collection tank 20 evaporates quickly without obstruction.

[0045] like Figure 3 As shown, in a preferred embodiment, the heat insulation plate 10 includes a plate body 11 with a water collection tank 20, a baffle 12 bent upward from the edge of the plate body 11, and a flange 13 extending outward from the baffle. The reinforcing frame 50 is fixedly connected to the flange 13.

[0046] The heat insulation plate 10, through its integrated structural design of plate body 11, upwardly bent baffle 12, and outwardly extending flange 13, combined with the fixed connection between the reinforcing frame 50 and flange 13, forms a lateral enclosure for the water collection trough 20 with the baffle 12, preventing condensate from overflowing from the edge of the water collection trough 20 during collection or temporary storage. For example, it can reliably prevent water from overflowing from the edge of the water collection trough 20 when the vehicle is bumpy or water is impacted, ensuring that the condensate is always confined within the water collection trough 20 and fully absorbed by the absorbent cotton 30 and subsequently dried by the exhaust system. At the same time, the flange 13 structure itself enhances the structural strength of the edge of the heat insulation plate 10, further improving the synergistic reinforcement effect with the reinforcing frame 50. By setting the flange 13, the connection between the flange 13 and the reinforcing frame 50 is tight and the force is even, which makes full use of the reinforcement effect of the reinforcing frame 50 and improves the assembly stability.

[0047] Of course, since the heat insulation plate of this invention is equipped with a water collection tank, the heat insulation plate can be in the shape of the plate described above. In other embodiments, the body of the heat insulation plate can also be in the shape of a flat plate.

[0048] It should be noted that this utility model does not limit the shape of the water collection tank, such as... Figure 4As shown, in a preferred embodiment, the water collection tank 20 includes a main channel 21 and a plurality of branch channels 22 extending from the main channel 21 toward the edge of the heat insulation plate 10, with one end of the main channel 21 directly below the air conditioner drip pipe 40. More preferably, the water collection tank 20 also includes a plurality of branch channels 23 extending from a single branch channel 22 to adjacent branch channels 22.

[0049] like Figure 4 As shown, preferably, the main channel 21 and the tributary channel 22 are connected. The main channel 21 is a strip-shaped channel, and multiple tributary channels are arranged in parallel, so that the main channel 21 and the tributary channel 22 are connected in a fishbone shape.

[0050] The water collection tank 20 adopts a diversion design with a main channel 21 and multiple branch channels 22. One end of the main channel 21 is directly below the air conditioner drip pipe 40. This design can accurately collect the condensate discharged from the drip pipe, avoiding the risk of overflow caused by water directly impacting the water collection tank 20. At the same time, the multiple branch channels 22 can quickly divert and diffuse the condensate in the main channel 21 to the edge area of ​​the heat insulation plate 10, increasing the contact area between the condensate and the heat insulation plate 10. Under the premise of the limited area of ​​the heat insulation plate 10, this increases the water storage capacity of the heat insulation plate 10, resulting in better water collection and storage. Meanwhile, the branch channels 22 extend from the main channel 21 to the edge of the heat insulation plate 10, allowing the condensate to be evenly distributed in the water collection tank 20. This allows the absorbent cotton 30 in different areas to fully absorb the water, avoiding local saturation and dryness at the edges. Combined with the high temperature conducted by the exhaust system, this can accelerate the evaporation rate of the condensate and reduce the accumulation time of water in the water collection tank 20.

[0051] The water collection tank 20 is designed with multiple branch tanks 23 extending from a single branch tank 22 to adjacent branch tanks 22. Based on the main channel 21 and branch tanks 22, the water flow distribution path is further refined. This maximizes the use of the effective area of ​​the heat insulation plate 10 to form a full-coverage tank network, making the water collection tank 20 denser. This allows the condensate that flows from the main channel 21 to the branch tanks 22 to be further diffused to all areas of the heat insulation plate 10, avoiding local water overflow while other areas remain idle. It also maximizes the contact area between the absorbent cotton 30 and the condensate, ensuring that all parts of the absorbent cotton 30 absorb water evenly and are fully saturated, thus expanding the water collection effect. At the same time, in conjunction with the high-temperature conduction of the exhaust system, the condensate can evaporate simultaneously over a larger area, greatly improving the evaporation efficiency and shortening the residence time of water in the water collection tank 20.

[0052] In other preferred embodiments, the water collection tank includes an annular groove and radially extending strip grooves from the annular groove to the edge.

[0053] In addition, the shape of the heat shield is not limited to the rectangle mentioned above. In fact, the outline of the heat shield can be irregular or circular, and the heat shield itself can be a non-flat, uneven structure to avoid the structure under the car.

[0054] It should be noted that this utility model does not limit the connection method between the air conditioner drip pipe and the water collection tank, for example... Figure 1-4 As shown, the outlet end of the air conditioner drip pipe is directly above the opening of the water collection tank. This eliminates the need to connect the air conditioner drip pipe to the exhaust insulation component, simplifying assembly and enabling flexible installation.

[0055] Of course, in other preferred embodiments, the heat insulation plate 10 is also provided with an upwardly protruding guide pipe, one end of which is connected to the water collection tank 20, and the other end is used to connect to the air conditioner drip pipe 40. Preferably, the guide pipe is integrally formed with the heat insulation plate.

[0056] With this configuration, the guide pipe has a fixed position relative to the heat insulation plate. The guide pipe can be connected and limited to the air conditioner drip pipe, or the guide pipe can be disconnected from the air conditioner drip pipe. The opening of the guide pipe can be enlarged and aligned with the air conditioner drip pipe, so that the air conditioner drip pipe is still suspended. The guide pipe can still form a directional transport channel for condensate from the air conditioner drip pipe 40 to the water collection tank 20, realizing precise condensate guidance and leak-free connection. This prevents condensate from splashing or overflowing due to airflow interference or vehicle bumps during the falling process, ensuring that the condensate flows into the water collection tank 20.

[0057] In a preferred embodiment, this utility model also provides an automobile, including a body with an internal driver's cabin, an air conditioner installed on the body, an air conditioner drip pipe connected to the air conditioner, and an exhaust system located under the body. The air conditioner drip pipe extends to the bottom of the body. The automobile also includes the aforementioned exhaust heat insulation component, which is isolated between the body and the exhaust system, and the outlet end of the air conditioner drip pipe is located above the exhaust heat insulation component.

[0058] Preferably, the outlet end of the air conditioning drip pipe is located in the middle of the vehicle body, that is, behind the passenger seat, and the exhaust heat insulation component is arranged below the outlet end of the air conditioning drip pipe and extends towards the rear of the vehicle.

[0059] Preferably, the exhaust heat insulation component is fixed to the bottom of the vehicle body at an angle from one end near the air conditioning drip pipe to the other end. For example, it is angled downwards from the middle of the vehicle body (below the air conditioning drip pipe) towards the rear of the vehicle body.

[0060] The automobile provided by this utility model, by incorporating the aforementioned exhaust heat insulation component, achieves thermal isolation between the exhaust system and the vehicle body to ensure basic heat insulation performance, while also buffering air conditioning condensate. This integrates multiple functions such as high-efficiency heat insulation, directional water guidance, water absorption and overflow prevention, rapid evaporation, noise reduction, and corrosion prevention, improving the functionality, integration, and reliability of the exhaust heat insulation component. It also extends the service life of the exhaust system and related vehicle body structures, optimizing the overall vehicle user experience. Simultaneously, it optimizes the space utilization at the bottom of the vehicle body, avoiding structural redundancy caused by adding an additional condensate treatment device, further enhancing the overall reliability and comprehensive performance of the automobile.

[0061] The exhaust insulation component is designed to be fixed downwards at an angle from one end near the air conditioner drip pipe to the other end. Its shape forms a directional flow channel for condensate, allowing the condensate in the collection tank to flow naturally along the inclined direction. This allows the absorbent cotton to fully absorb the condensate, preventing local accumulation and overflow of water in the collection tank.

[0062] For any parts not mentioned in this utility model, existing technologies can be used or referenced.

[0063] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0064] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. An exhaust heat insulation component for an automobile, the exhaust heat insulation component isolating the automobile's exhaust system from the automobile body, wherein an air conditioning drip pipe (40) is also provided under the automobile body, characterized in that, The exhaust heat insulation component includes a heat insulation plate (10), a water-absorbing cotton (30) laid on the heat insulation plate (10), and a fixing member for fixing the water-absorbing cotton (30) to the heat insulation plate (10). The heat insulation plate (10) is provided with a downwardly recessed water collection groove (20). The water collection groove (20) is connected to the air conditioner drip pipe (40). The water-absorbing cotton (30) is embedded in the water collection groove (20).

2. The exhaust heat insulation component for automobiles according to claim 1, characterized in that, The exhaust insulation assembly also includes a reinforcing frame (50) that extends along the edge of the insulation plate (10) and is fixedly connected to the edge of the insulation plate (10).

3. The exhaust heat insulation component for automobiles according to claim 2, characterized in that, The heat insulation plate (10) includes a plate body (11) on which the water collection tank (20) is set, a baffle (12) that bends upward from the edge of the plate body (11), and a flange (13) that extends outward from the baffle. The reinforcing frame (50) is fixedly connected to the flange (13).

4. The exhaust heat insulation component for automobiles according to claim 1, characterized in that, The exhaust heat insulation assembly also includes a cover plate (60), which is pressed above the absorbent cotton (30) and fixedly connected to the heat insulation plate (10). The cover plate (60) is provided with perforated holes.

5. The exhaust heat insulation component for automobiles according to claim 4, characterized in that, The fastener passes through the cover plate (60) and the absorbent cotton (30) in sequence and is locked to the heat insulation plate (10).

6. The exhaust heat insulation component for automobiles according to claim 1, characterized in that, The water collection tank (20) includes a main channel (21) and a plurality of branch channels (22) extending from the main channel (21) to the edge of the heat insulation plate (10), with one end of the main channel (21) directly below the air conditioner drip pipe (40).

7. The exhaust heat insulation component for automobiles according to claim 6, characterized in that, The water collection tank (20) also includes multiple branch tanks (23) extending from a single branch tank (22) to adjacent branch tanks (22).

8. The exhaust heat insulation component for automobiles according to claim 1, characterized in that, The heat insulation plate (10) is provided with an upwardly protruding positioning post (14), and the absorbent cotton (30) is provided with a limiting hole (31) through which the positioning post (14) passes. The positioning post (14) and the limiting hole (31) are mutually limiting and engaged. Alternatively, the heat insulation plate (10) may also be provided with an upwardly protruding guide pipe, one end of which is connected to the water collection tank (20), and the other end is used to connect to the air conditioner drip pipe (40).

9. A motor vehicle, comprising a body with an internal driver's compartment, an air conditioner installed on the body, an air conditioner drip pipe (40) connected to the air conditioner, and an exhaust system located under the body, wherein the air conditioner drip pipe (40) extends to the underside of the body, characterized in that, The vehicle also includes an exhaust heat insulation component as described in any one of claims 1-8, the exhaust heat insulation component being isolated between the vehicle body and the exhaust system, and the outlet end of the air conditioning drip pipe (40) being located above the exhaust heat insulation component.

10. A car according to claim 9, characterized in that, The exhaust heat insulation component is fixed to the bottom of the vehicle body from one end near the air conditioning drip pipe (40) to the other end at an angle downwards.

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