Catalytic silencer support mounting device

Through the combined design of the mounting bracket and the fixing mechanism, the problem of unstable fixation of the catalytic muffler is solved, and the stable connection of the catalytic muffler is achieved, reducing vibration, and is suitable for the layout of the whole vehicle.

CN223203130UActive Publication Date: 2025-08-08C&C TRUCKS
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Patent Information

Application Number
CN202422515331.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-08-08
Estimated Expiration
2034-10-17

AI Technical Summary

Technical Problem

The traditional catalytic muffler bracket is unstable and easily loosened, resulting in unstable vibration of the catalytic muffler in the vehicle.

Method used

The combination design of the installation mechanism and the fixing mechanism is adopted, including the mounting bracket, cross beam, upper and lower clasp, the catalytic muffler is fixed by bolting, and the connection strength is enhanced by reinforcing ribs and U-shaped structure to ensure the stability of the catalytic muffler.

Benefits of technology

It realizes stable fixation of catalytic mufflers, reduces vibration of catalytic mufflers for heavy trucks, is convenient and reliable to install, saves space, and is suitable for vehicle layout.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of vehicle catalytic silencer installation, and particularly relates to a catalytic silencer support installation device. A catalytic silencer support mounting device comprises a mounting mechanism mounted on a truck, the mounting mechanism is connected with a fixing mechanism, and the fixing mechanism is connected with a catalytic silencer. Through the arrangement of the mounting mechanism and the fixing mechanism, the catalytic silencer can be stably fixed, and vibration of the catalytic silencer for the heavy truck is reduced. The process is simple, manufacturing is convenient, performance is reliable, installation is convenient, and overall arrangement of the whole vehicle is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle catalytic muffler installation, and specifically relates to a catalytic muffler bracket installation device. Background Art

[0002] A catalytic muffler is a device used to reduce vehicle exhaust noise and harmful emissions. As global environmental protection requirements increase, vehicle emission standards are becoming increasingly stringent, placing higher demands on catalytic efficiency.

[0003] A Chinese patent (publication number: 219154230U) discloses a vehicle and a catalytic muffler bracket, comprising a first cantilever and a second cantilever, with the catalytic muffler positioned between the second cantilever and the first cantilever. A protruding first connecting plate is formed on the side of the first cantilever facing the second cantilever, and the first connecting plate has a plurality of first connecting holes extending vertically therethrough to secure the catalytic muffler.

[0004] However, due to the heavy weight of the catalytic muffler, the traditional mounting bracket for fixing the catalytic muffler is prone to instability and the catalytic muffler is prone to loosening. Utility Model Content

[0005] The present invention is developed to solve the above-mentioned problem, and its purpose is to provide a reliable catalytic muffler bracket mounting device, which can stably fix the catalytic muffler on the vehicle frame. In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a catalytic muffler bracket mounting device, comprising a mounting mechanism mounted on the vehicle body, the mounting mechanism connected to the fixing mechanism, and the fixing mechanism connected to the catalytic muffler.

[0006] The mounting mechanism includes a mounting bracket and a vehicle body mounting beam, the mounting bracket is mounted on the vehicle body mounting beam, the mounting bracket is connected to a cross beam, the cross beam is connected to a fixing mechanism, and the fixing mechanism is connected to a catalytic muffler.

[0007] The fixing mechanism includes an upper hoop and a lower hoop, one side of the upper hoop is connected to the crossbeam, the other side of the upper hoop is connected to the catalytic muffler, the two ends of the lower hoop are respectively connected to the two ends of the upper hoop, and the upper and lower hoop are sleeved on the catalytic muffler after being connected.

[0008] A bracket bottom plate is connected between the mounting bracket and the vehicle body mounting beam, the bracket bottom plate is connected to a fixing plate, and two sides of the mounting bracket are against the fixing plate.

[0009] The upper hoop comprises an upper hoop and a lower hoop. The upper hoop is a U-shaped structure, the closed end of the U-shaped structure is connected to the crossbeam, and the lower hoop is a U-shaped structure.

[0010] A connecting bracket is provided between the mounting bracket and the crossbeam, two ends of the connecting bracket are respectively connected to the crossbeam and the mounting bracket, and one end of the mounting bracket away from the vehicle body mounting beam is connected to a bracket blocking cover.

[0011] The mounting bracket is an L-shaped structure, a first reinforcing rib is provided at the connection between the mounting bracket and the bracket bottom plate, and a protective cover plate is provided on the periphery of the catalytic muffler.

[0012] The fixing plate is provided with weight-reducing holes.

[0013] The connection between the upper and lower hoop straps is set as an arch structure, the connection between the arch structure and the upper hoop strap is provided with a second reinforcing rib, the connection between the arch structure and the lower hoop strap is provided with a third reinforcing rib, and the closed end of the upper layer hoop strap is provided with a fourth reinforcing rib.

[0014] At least two mounting brackets are provided, and at least two upper straps are provided.

[0015] The technical effect of the utility model is as follows: by installing the mounting bracket on the vehicle body mounting beam, the mounting bracket is connected to the crossbeam, the crossbeam is connected to an upper hoop, the ends of the upper hoop are connected to the lower hoop, and the upper and lower hoop are connected and then sleeved on the catalytic muffler, the catalytic muffler can be completely fixed. At the same time, the provision of the first, second, third and fourth reinforcing ribs greatly strengthens the connection strength of each component, making the connection more stable, improving the fixing effect of the catalytic muffler, and reducing the vibration of the catalytic muffler for heavy trucks. The process is simple, the manufacturing is convenient, the performance is reliable, the installation is convenient, and it is beneficial to the overall layout of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] This manual includes the following drawings, which show the following contents:

[0017] Figure 1 This is a schematic diagram of the connection between the catalytic muffler of the utility model and the mounting beam of the vehicle body;

[0018] Figure 2 This is a schematic diagram of the connection between the catalytic muffler of the utility model and the installation mechanism and the fixing mechanism;

[0019] Figure 3 It is a schematic diagram of the structure of the mounting bracket of the utility model.

[0020] The markings in the figure are: 1. Installation mechanism; 101. Vehicle body mounting beam; 102. Installation bracket; 103. Cross beam; 104. Bracket base plate; 105. Fixing plate; 106. Connecting bracket; 107. Bracket plug cover; 108. Protective cover; 2. Catalytic muffler; 3. Fixing mechanism; 31. Upper hoop; 311. Upper hoop; 312. Lower hoop; 32. Lower hoop; 4. First reinforcement rib; 5. Weight reduction hole; 6. Second reinforcement rib; 7. Third reinforcement rib; 8. Fourth reinforcement rib. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the specific implementation methods of the present invention through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate their implementation.

[0022] like Figures 1 to 3 As shown, a catalytic muffler bracket mounting device includes a mounting mechanism 1 mounted on a truck, connected to a fixing mechanism 3, which is connected to a catalytic muffler 2. The mounting mechanism 1 and fixing mechanism 3 secure the catalytic muffler 2 to a vehicle body mounting beam 101, preventing the catalytic muffler 2 from vibrating in multiple directions during vehicle use.

[0023] The mounting mechanism 1 includes a mounting bracket 102 and a vehicle body mounting beam 101. The vehicle body mounting beam 101 has a square cross-section and a threaded hole on one side of the vehicle body mounting beam 101. One end of the mounting bracket 102 is mounted on the vehicle body mounting beam 101. The mounting bracket 102 is connected to a crossbeam 103 by bolts. The crossbeam 103 is connected to a fixing mechanism 3. The fixing mechanism 3 is connected to the catalytic muffler 2. The crossbeam 103 is fixed by the mounting bracket 102 to provide a connection position for the fixing mechanism 3. The fixing mechanism 3 fixes the catalytic muffler 2 to ensure that the catalytic muffler 2 can be completely fixed and will not be subjected to vibration in multiple directions.

[0024] The fixing mechanism 3 includes an upper hoop 31 and a lower hoop 32. One side of the upper hoop 31 is connected to the crossbeam 103, and the other side of the upper hoop 31 is connected to the catalytic muffler 2. The two ends of the lower hoop 32 are respectively threadedly connected to the two ends of the upper hoop 31. After the upper hoop 31 and the lower hoop 32 are connected, they are sleeved on the catalytic muffler 2. The upper hoop 31 and the lower hoop 32 provide support for the catalytic muffler 2. The upper hoop 31 and the lower hoop 32 are sleeved on the catalytic muffler 2 to ensure that the catalytic muffler 2 is completely fixed.

[0025] A bracket base plate 104 connects the mounting bracket 102 to the vehicle body mounting beam 101. A fixing plate 105 is connected to the bracket base plate 104, with both sides of the mounting bracket 102 abutting against the fixing plate 105. The mounting bracket 102 is connected to the vehicle body mounting beam 101 via the bracket base plate 104. The square structure of the bracket base plate 104 provides greater support and reduces wear on the mounting bracket 102. The fixing plates 105 are fixed to both sides of the mounting bracket 102 to prevent it from shaking.

[0026] The upper band 31 includes an upper band 311 and a lower band 312. The upper band 311 is a U-shaped structure, and the closed end of the U-shaped structure is connected to the crossbeam 103. The lower band 311 is also a U-shaped structure. The upper band 31 is configured as a double-layer structure. On the one hand, the upper band 311 can better connect to the crossbeam 103, and on the other hand, the lower band 312 can fix the catalytic muffler 2. The U-shaped structure can better fix the catalytic muffler 2.

[0027] A connecting bracket 106 is provided between the mounting bracket 102 and the crossbeam 103. This connecting bracket 106 is configured as a U-shaped plate. The closed end of the U-shaped plate is connected to the crossbeam 103, while the open end of the U-shaped plate is connected to the mounting bracket 102. A bracket cover 107 is attached to the end of the mounting bracket 102 away from the vehicle body mounting beam 101. Connecting bracket 106 facilitates connecting the crossbeam 103 and the mounting bracket 102. A bracket cover 107 is attached to one end of the mounting bracket 102 to protect it.

[0028] Mounting bracket 102 is designed to be L-shaped. A first reinforcing rib 4 is provided at the connection between mounting bracket 102 and bracket base plate 104. A protective cover plate 107 is provided around the periphery of catalytic muffler 2. The L-shaped mounting bracket 102 provides increased support for catalytic muffler 2. The first reinforcing rib 4 provides a more stable connection between mounting bracket 102 and bracket base plate 104. The protective cover plate 107 protects catalytic muffler 2.

[0029] The fixing plate 105 is provided with weight-reducing holes 5 , which can reduce the weight of the fixing plate 105 and save materials.

[0030] The connection between the upper and lower straps 31, 32 is an arched structure, which strengthens the connection between the two straps. A second reinforcing rib 6 is provided at the connection between the arched structure and the upper strap 31, which strengthens the connection between the arched structure and the upper strap 31. A third reinforcing rib 7 is provided at the connection between the arched structure and the lower strap 32, which strengthens the connection between the arched structure and the lower strap 32. A fourth reinforcing rib 8 is provided at the connection between the upper and lower straps 31, which strengthens the connection between the upper and lower straps 31.

[0031] At least two mounting brackets 102 are provided, and at least two upper bands 31 are provided. Providing multiple upper bands 31 connected to the lower band 32 can make the catalytic muffler 2 more firmly fixed. Providing multiple mounting brackets 102 can make the mounting brackets 102 more firmly fixed to the catalytic muffler 2.

[0032] Functions and Effects of the Embodiments

[0033] Mounting bracket 102 is mounted on vehicle body mounting beam 101. Mounting bracket 102 is bolted to crossbeam 103. Crossbeam 103 is connected to upper strap 31, which is then connected to lower strap 32. The upper strap 31 is then connected to lower strap 32 and then placed over catalytic muffler 2, completely securing catalytic muffler 2. A first reinforcing rib 4 is provided at the connection between mounting bracket 102 and bracket base plate 104. This first reinforcing rib 4 strengthens the connection between mounting bracket 102 and bracket base plate 104. A second reinforcing rib 6 is provided at the connection between the arched structure and upper strap 31, strengthening the connection between the upper strap 31. A third reinforcing rib 7 is provided at the connection between the arched structure and lower strap 32, strengthening the connection between the arched structure and lower strap 32. A fourth reinforcing rib 8 is provided at the closed end of upper strap 311, strengthening the connection between upper strap 311. This catalytic muffler bracket mounting device uses a split structure, making the installation and removal of the catalytic muffler 2 more convenient, greatly saving space, and not affecting the overall layout of the components. This embodiment provides two mounting brackets 102 with the same structure, two crossbeams 103 with the same structure, and two sets of fixing mechanisms 3 with the same structure, saving costs. The upper hoop 31 and the lower hoop 32 are used to fix the catalytic muffler 2 at the same time, making the fixation of the catalytic muffler 2 more stable. This type of catalytic muffler bracket mounting device reduces the vibration of the catalytic muffler 2, and has a simple process, easy manufacturing, reliable performance, and easy installation, which is beneficial to the overall layout of the vehicle.

[0034] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. A catalytic muffler bracket mounting device, characterized in that: The invention comprises a mounting mechanism (1) mounted on a vehicle body, wherein the mounting mechanism (1) is connected to a fixing mechanism (3), wherein the fixing mechanism (3) is connected to a catalytic muffler (2), wherein the mounting mechanism (1) comprises a mounting bracket (102) and a vehicle body mounting beam (101), wherein the mounting bracket (102) is mounted on the vehicle body mounting beam (101), wherein the mounting bracket (102) is connected to a cross beam (103), wherein the cross beam (103) is connected to the fixing mechanism (3), wherein the fixing mechanism (3) comprises an upper hoop (31) and a lower hoop (32), wherein one side of the upper hoop (31) is connected to the cross beam (103), and the other side of the upper hoop (31) is connected to the catalytic muffler (2), wherein two ends of the lower hoop (32) are respectively connected to two ends of the upper hoop (31), and wherein the upper hoop (31) and the lower hoop (32) are connected and then sleeved on the catalytic muffler (2).

2. The catalytic muffler bracket mounting device according to claim 1, characterized in that: A bracket bottom plate (104) is connected between the mounting bracket (102) and the vehicle body mounting beam (101), the bracket bottom plate (104) is connected to a fixing plate (105), and both sides of the mounting bracket (102) are against the fixing plate (105).

3. The catalytic muffler bracket mounting device according to claim 2, characterized in that: The upper hoop (31) comprises an upper hoop (311) and a lower hoop (312); the upper hoop (311) is a U-shaped structure, the closed end of the U-shaped structure is connected to the crossbeam (103); and the lower hoop (312) is a U-shaped structure.

4. The catalytic muffler bracket mounting device according to claim 3, characterized in that: A connecting bracket (106) is provided between the mounting bracket (102) and the crossbeam (103), and two ends of the connecting bracket (106) are respectively connected to the crossbeam (103) and the mounting bracket (102), and one end of the mounting bracket (102) away from the vehicle body mounting beam (101) is connected to a bracket blocking cover (107).

5. The catalytic muffler bracket mounting device according to claim 4, characterized in that: The mounting bracket (102) is an L-shaped structure, a first reinforcing rib (4) is provided at the connection between the mounting bracket (102) and the bracket base plate (104), and a protective cover plate (108) is provided on the periphery of the catalytic muffler (2).

6. The catalytic muffler bracket mounting device according to claim 5, characterized in that: The fixing plate (105) is provided with a weight-reducing hole (5).

7. The catalytic muffler bracket mounting device according to claim 6, characterized in that: The connection between the upper hoop (31) and the lower hoop (32) is arranged as an arched structure, the connection between the arched structure and the upper hoop (31) is provided with a second reinforcing rib (6), the connection between the arched structure and the lower hoop (32) is provided with a third reinforcing rib (7), and the closed end of the upper hoop (311) is provided with a fourth reinforcing rib (8).

8. The catalytic muffler bracket mounting device according to claim 7, characterized in that: At least two mounting brackets (102) are provided, and at least two upper bands (31) are provided.

Citation Information

Patent Citations

  • Vehicle and support of catalytic muffler

    CN219154230U