Silencer assembly and vehicle

By introducing heat insulation components into the muffler assembly and creating a heat insulation cavity spaced apart from the muffler body, the high thermal resistance of air and multi-layer composite plates are used to reduce heat transfer, thus solving the problem of the impact of high muffler temperature on surrounding components and improving vehicle reliability and ride comfort.

CN224260419UActive Publication Date: 2026-05-19ZHEJIANG GEELY HLDG GRP CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG GEELY HLDG GRP CO LTD
Filing Date
2025-07-17
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

When the muffler is working, it emits a large amount of hot exhaust gas, which accelerates the aging of surrounding components and affects the reliability and stability of the vehicle.

Method used

Design a muffler assembly including a mounting base, a muffler body, and a heat insulation component covering the outside of it. A heat insulation cavity is formed by the heat insulation component and the muffler body being spaced apart. The high thermal resistance of air is used to reduce heat transfer, and the heat insulation effect is improved by combining multi-layer composite panels and supporting components.

Benefits of technology

It effectively reduces the thermal impact on components around the muffler, improves the reliability of parts and the overall durability of the vehicle, reduces vibration and noise, and enhances the user's riding experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silencer assembly and a vehicle, and relates to the technical field of vehicles, the silencer assembly comprises a mounting base used for connecting a vehicle body; the silencer body is arranged on the mounting base; the silencer body is covered with the heat insulation part, the heat insulation part and the silencer body are arranged in a spaced mode, a heat insulation cavity is defined by the heat insulation part and the silencer body, and the installation base is connected with the heat insulation part. According to the technical scheme provided by the utility model, the heat influence of the silencer assembly on surrounding devices is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, and in particular to a muffler assembly and a vehicle. Background Technology

[0002] During vehicle operation, the muffler plays a crucial role in reducing noise. However, it emits a large amount of hot exhaust gas during operation, and the muffler itself can reach temperatures exceeding 100 degrees Celsius. This high-temperature environment significantly impacts surrounding components, accelerating their aging process and consequently reducing the overall reliability of the vehicle, posing a potential risk to its long-term stable operation. Utility Model Content

[0003] The main objective of this invention is to provide a muffler assembly and vehicle that aims to reduce the thermal impact of the muffler on surrounding components.

[0004] To achieve the above objectives, this utility model proposes a muffler assembly, comprising:

[0005] Mounting base for connecting to the vehicle body;

[0006] The muffler body is mounted on the mounting base;

[0007] A heat insulation component is installed on the outside of the muffler body and spaced apart from the muffler body. The heat insulation component and the muffler body together form a heat insulation cavity. The mounting base is connected to the heat insulation component.

[0008] In one embodiment, the heat insulation element includes:

[0009] A first cover extends around the side of the muffler body, the first cover is spaced apart from the muffler body, and is connected to the mounting base;

[0010] The second cover is disposed at both ends of the first cover in a direction perpendicular to the extending direction of the first cover, and the second cover is used to cover the gap between the first cover and the muffler body.

[0011] In one embodiment, the muffler assembly further includes a support member disposed between the heat insulation member and the muffler body, and connecting the heat insulation member and the muffler body.

[0012] In one embodiment, at least one of the mounting base and the support member is detachably connected to the heat insulation member.

[0013] In one embodiment, the thermal insulation component is configured as a three-layer composite panel, the three-layer composite panel including an aluminum alloy plate on the outer layer and a fiberglass plate in the middle.

[0014] In one embodiment, the mounting base includes:

[0015] Support, used to connect to the vehicle body;

[0016] A bracket is located on the upper part of the support and is elastically connected to the support. The muffler body is located on the bracket.

[0017] In one embodiment, the mounting base further includes an elastic element disposed between the bracket and the support, and the bracket, the elastic element and the support are connected by fasteners.

[0018] In one embodiment, the muffler assembly further includes a clamp that fits against the muffler body and has its two ends connected to the bracket to fix the muffler body to the bracket.

[0019] In one embodiment, one end of the clamp is inserted into one end of the bracket by a pin, and the other end of the clamp passes through the other end of the bracket and is connected by a fastener.

[0020] In one embodiment, at least two brackets are provided, the at least two brackets are arranged in parallel and spaced apart and are respectively connected to the muffler body; and / or, the two ends of the brackets are respectively elastically connected to the support.

[0021] This utility model also proposes a vehicle that includes the above-described muffler assembly.

[0022] In the technical solution of this utility model, the mounting base is used to fix the muffler assembly to the vehicle body. The muffler body is set on the mounting base. In addition, a heat insulation component is installed on the outside of the muffler body to block heat from being transferred to the surrounding area of ​​the muffler body, thereby reducing the impact of heat on surrounding components. Furthermore, the heat insulation component and the muffler body are spaced apart, and the two together form a heat insulation cavity. By utilizing the high thermal resistance of air, the heat transfer between the muffler body and the heat insulation component is reduced, thereby reducing the heat transferred to the heat insulation component, which is beneficial to further reduce the thermal impact on surrounding components. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1A schematic diagram of the muffler assembly provided by this utility model;

[0025] Figure 2 A schematic diagram of the heat insulation component in the muffler assembly provided by this utility model;

[0026] Figure 3 Another structural schematic diagram of the muffler assembly provided by this utility model;

[0027] Figure 4 A cross-sectional schematic diagram of the muffler assembly provided by this utility model.

[0028] Explanation of icon numbers:

[0029] 10. Insulation cavity; 20. Fastener; 30. Pin; 100. Mounting base; 110. Support; 120. Bracket; 130. Elastic element; 200. Silencer body; 300. Insulation element; 310. First cover; 320. Second cover; 400. Support element; 500. Hoop.

[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0032] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0034] To reduce the thermal impact on components around the muffler assembly and improve their reliability, this technical solution proposes a muffler assembly, including: a mounting base 100 for connecting to the vehicle body; a muffler body 200 disposed on the mounting base 100; and a heat insulation component 300 covering the outside of the muffler body 200 and spaced apart from it, wherein the heat insulation component 300 and the muffler body 200 together form a heat insulation cavity 10, and the mounting base 100 is connected to the heat insulation component 300.

[0035] In the technical solution of this utility model, the mounting base 100 is used to fix the muffler assembly to the vehicle body, and the muffler body 200 is mounted on the mounting base 100. In addition, a heat insulation component 300 is provided on the outside of the muffler body 200. The heat insulation component 300 blocks the heat from being transferred to the surrounding area of ​​the muffler body 200, thereby reducing the impact of heat on surrounding devices. Furthermore, the heat insulation component 300 and the muffler body 200 are spaced apart, and the two together form a heat insulation cavity 10. By utilizing the high thermal resistance of air, the heat transfer between the muffler body 200 and the heat insulation component 300 is reduced, thereby reducing the heat transferred to the heat insulation component 300, which is beneficial to further reduce the thermal impact on surrounding devices.

[0036] Specifically, such as Figure 1 and Figure 4The muffler assembly includes a mounting base 100, which serves as the base for the entire assembly. The mounting base 100 can be fixed to the vehicle body via welding or other methods. The muffler body 200 is fixedly connected to the mounting base 100 and is connected to the engine's exhaust pipe. Exhaust gases from the engine are catalytically treated and silenced by the muffler body 200 before being released into the atmosphere. Additionally, a heat insulation component 300 is installed on the outside of the muffler body 200. The heat insulation component 300 can also be fixedly mounted on the mounting base 100. The heat insulation component 300 can be made of ceramic or fiberglass, utilizing the low thermal conductivity of the heat insulation plate. The heat insulation component 300, due to its high thermal resistance, blocks heat and reduces the heat dissipated to the muffler body 200, thereby reducing the impact on surrounding components. In addition, to improve the heat insulation effect, a certain distance can be maintained between the heat insulation component 300 and the body, and the heat insulation component 300 and the muffler body 200 can form a relatively closed heat insulation cavity 10. External air can be filled into the heat insulation cavity 10. By utilizing the high thermal resistance of air, the heat transferred from the muffler body 200 to the heat insulation component 300 can be reduced, thereby lowering the temperature of the heat insulation component 300 itself. This further helps to reduce the thermal impact on surrounding components and improve the overall durability of the vehicle.

[0037] like Figure 2 The diagram illustrates one structural form of the heat insulation component 300, which includes: a first cover 310 extending around the side of the muffler body 200, the first cover 310 being spaced apart from the muffler body 200 and connected to the mounting base 100; and a second cover 320 disposed at both ends of the first cover 310 in a direction perpendicular to the extending direction of the first cover 310, the second cover 320 being used to cover the gap between the first cover 310 and the muffler body 200.

[0038] The first cover 310 has a plate-like structure and extends around the side of the muffler body 200, maintaining a certain distance from it. This creates a heat insulation barrier between the first cover 310 and the side of the muffler, reducing direct heat transfer to the first cover 310. The first cover 310 has openings at both ends along the length of the muffler body 200 (i.e., the direction of exhaust gas flow within the muffler). When the muffler assembly is mounted on the vehicle body, the openings face the front-rear direction of the vehicle. During vehicle movement, airflow can reach the muffler body 200 corresponding to the openings, effectively dissipating heat. Additionally, a second bend is provided at the edge of the openings. The second cover 320 extends in the same direction as the first cover 310. The second cover 320 is also a plate-like structure. The second cover 320 can cover the gap between the first cover 310 and the muffler body 200. In this way, the first cover 310, the second cover 320 and the muffler body 200 together form the above-mentioned heat insulation cavity 10. This can further block the heat propagation path and prevent heat from leaking out from the gap, thereby improving the heat insulation effect of the entire heat insulation component 300 and better protecting the components around the muffler from high temperature damage. In addition, in another embodiment, in order to reduce structural complexity, the first cover 310 and the second cover 320 can be integrally formed to simplify the structure and reduce the number of components.

[0039] like Figure 3 and Figure 4 In one embodiment of this utility model, the muffler assembly further includes a support member 400, which is disposed between the heat insulation member 300 and the muffler body 200, and connects the heat insulation member 300 and the muffler body 200. The support member 400 may be a lug or similar structure. To improve reliability, the support member 400 may be welded to the outer wall of the muffler body 200. Furthermore, the heat insulation member 300 may be fixedly connected to the support member 400 by welding, bonding, or other methods. Thus, the support member 400 provides support for the heat insulation member 300, ensuring that the heat insulation member 300 remains in a fixed position during vehicle operation. In addition, multiple support members 400 may be provided, spaced apart on the outer wall of the muffler body 200 and connected to different positions of the heat insulation member 300, thereby further improving the connection strength between the heat insulation member 300 and the muffler body 200. In another embodiment, for ease of installation, the heat insulation component 300 can be fastened to the support component 400 by bolts or other fasteners 20. Similarly, lugs can also be provided on the mounting base 100, and the heat insulation component 300 can also be fastened to the mounting base 100 by bolts or other fasteners 20. This not only facilitates the assembly of the muffler assembly, but also makes it easier for users to disassemble and install the heat insulation component 300 as needed, thus improving the flexibility of the muffler assembly.

[0040] In one embodiment of this utility model, the heat insulation component 300 is configured as a three-layer composite panel, comprising an outer aluminum alloy plate and a middle fiberglass plate. Specifically, the outer aluminum alloy plate reflects heat emitted by the muffler body 200, reducing direct heat radiation and providing protection for the muffler body 200. The middle fiberglass plate provides the primary heat insulation. This three-layer structure allows the heat insulation component 300 to both protect the muffler body 200 and provide heat insulation, expanding its functionality and further improving the reliability of the muffler assembly.

[0041] like Figure 3 and Figure 4 In one embodiment of the present invention, the mounting base 100 includes: a support 110 for connecting to the vehicle body; a bracket 120 disposed on the upper part of the support 110 and elastically connected to the support 110; and a muffler body 200 disposed on the bracket 120.

[0042] The support 110 is the part that connects the muffler assembly to the vehicle body. The support 110 can adopt a tubular beam structure and be fixed to the vehicle body by welding or other methods. A bracket 120 is set on the support 110. The bracket 120 is used to connect the muffler body 200 to the support 110. The bracket 120 and the muffler body 200 can be connected by fasteners 20 such as bolts. In addition, the bracket 120 and the support 110 are connected by an elastic connection. Specifically, a compression spring can be set between the bracket 120 and the support 110 and connected by the compression spring. When the vehicle is in motion, the elastic connection design can reduce the vibration transmitted from the vehicle body to the muffler body 200, and at the same time, it can also reduce the vibration transmitted from the muffler body 200 to the vehicle body. This can reduce vehicle vibration and noise and improve the user's riding experience.

[0043] like Figure 4This diagram illustrates one type of resilient connection. In this design, the mounting base 100 further includes an elastic element 130, which is positioned between the bracket 120 and the support 110. The bracket 120, elastic element 130, and support 110 are connected by fasteners 20. The elastic element 130 can be a spring or a stainless steel wire washer, among other structures. The elastic element 130 is positioned between the bracket 120 and the support 110. Fasteners 20, such as bolts, are also provided. The fasteners 20 pass sequentially through the bracket 120, elastic element 130, and support 110, and are then locked by nuts. After locking, the elastic element 130 is in a partially compressed state, and the bracket 120 has a certain amount of floating space along the axial direction of the fasteners 20. Thus, vibrations transmitted through the elastic element 130 are absorbed, while the fasteners 20 ensure the relative stability of the positions of the bracket 120 and support 110, preventing separation. Simultaneously, the fasteners 20 passing through the elastic element 130 also ensure the stability of the elastic element 130's position, improving the reliability of the resilient connection.

[0044] like Figure 3 and Figure 4 In one embodiment of this utility model, the muffler assembly further includes a clamp 500. The clamp 500 is fitted to the muffler body 200 and its two ends are respectively connected to the bracket 120 to fix the muffler body 200 to the bracket 120. The clamp 500 can be made of steel. The muffler body 200 can be placed on the bracket 120, and the clamp 500 can be fitted to the side wall of the muffler body 200. The two ends of the clamp 500 are respectively connected to the bracket 120 by welding or other means. The muffler body 200 is fixed by the clamp's limiting function. This ensures the reliability of the muffler body 200 installation while reducing the weight of the muffler assembly and simplifying the structure.

[0045] Figure 4 An installation method for the clamp 500 is shown. In this scheme, one end of the clamp 500 is inserted into one end of the bracket 120 via a pin 30, and the other end of the clamp 500 passes through the other end of the bracket 120 and is connected via a fastener 20. A lug with a hole can be provided at one end of the bracket 120. One end of the clamp 500 is bent and welded to itself, forming a hollow hole. The pin 30 can pass through the hole in the lug and the hole in the clamp 500, thus connecting the clamp 500 to the bracket 120. A stud can be welded to the other end of the clamp 500. A through hole is provided at the other end of the bracket 120. The stud can pass through the through hole and be screwed into a nut. By rotating the nut, the length of the stud passing through the through hole can be adjusted, thereby adjusting the tightness of the clamp 500. This structure not only facilitates the assembly of the clamp 500 and the muffler body 200, but also facilitates the adjustment of the pressure exerted by the clamp 500 on the muffler body 200, improving the flexibility of use.

[0046] like Figure 3In one embodiment of this utility model, at least two brackets 120 are provided, which are arranged in parallel and spaced apart and respectively connected to the muffler body 200. The two brackets 120 are respectively connected to the muffler body 200 via hoops 500, which further improves the reliability of fixing the muffler body 200. In another embodiment, each bracket 120 is connected to the support 110 at both ends via an elastic element 130. The bracket 120 and the muffler body 200 can be considered as a whole, which is equivalent to providing multiple elastic elements 130 between the muffler body 200 and the support 110. This not only reduces the load on each elastic element 130, which helps extend the service life of the elastic element 130, but also allows for more flexible floating of the muffler body 200 relative to the support 110. The muffler can float up and down relative to the support 110 and can also sway relative to the bracket 120, improving the buffering effect and ensuring better shock absorption and noise reduction in more complex operating environments.

[0047] This utility model also proposes a vehicle having a body and a muffler assembly mounted on the body. The muffler assembly is used to exhaust the exhaust gas from the vehicle's engine. The specific structure of the muffler assembly is as described in the above embodiments. Since this vehicle adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated here.

[0048] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A muffler assembly, characterized in that, include: Mounting base for connecting to the vehicle body; The silencer body is mounted on the mounting base; A heat insulation component is installed on the outside of the muffler body and spaced apart from the muffler body. The heat insulation component and the muffler body together form a heat insulation cavity. The mounting base is connected to the heat insulation component.

2. The muffler assembly as described in claim 1, characterized in that, The heat insulation component includes: A first cover extends around the side of the muffler body, the first cover is spaced apart from the muffler body, and is connected to the mounting base; The second cover is disposed at both ends of the first cover in a direction perpendicular to the extending direction of the first cover, and the second cover is used to cover the gap between the first cover and the muffler body.

3. The muffler assembly as described in claim 1, characterized in that, The muffler assembly also includes a support member, which is disposed between the heat insulation member and the muffler body and connects the heat insulation member and the muffler body.

4. The muffler assembly as described in claim 3, characterized in that, At least one of the mounting base and the support member is detachably connected to the heat insulation member.

5. The muffler assembly as described in claim 1, characterized in that, The thermal insulation component is configured as a three-layer composite panel, which includes an outer aluminum alloy plate and a middle fiberglass plate.

6. The muffler assembly as described in claim 1, characterized in that, The mounting base includes: Support, used to connect to the vehicle body; A bracket is located on the upper part of the support and is elastically connected to the support. The muffler body is located on the bracket.

7. The muffler assembly as described in claim 6, characterized in that, The mounting base also includes an elastic element, which is disposed between the bracket and the support. The bracket, the elastic element, and the support are connected by fasteners.

8. The muffler assembly as described in claim 6, characterized in that, The muffler assembly also includes a clamp, which fits against the muffler body and is connected at both ends to the bracket to fix the muffler body to the bracket.

9. The muffler assembly as described in claim 8, characterized in that, One end of the hoop is inserted into one end of the bracket by a pin, and the other end of the hoop passes through the other end of the bracket and is connected by a fastener.

10. The muffler assembly as claimed in claim 6, characterized in that, The bracket is provided in at least two, and the at least two brackets are arranged in parallel and spaced apart and are respectively connected to the muffler body; and / or, the two ends of the bracket are respectively elastically connected to the support.

11. A vehicle, characterized in that, Includes the muffler assembly according to any one of claims 1 to 10.