Three-way catalyst bracket for vehicle
By designing the clamp assembly of the automotive three-element catalyst bracket to cooperate with the shaft, and the clamp is rotated below with gravity, the time-consuming and labor-intensive problem of dismantling the existing bracket is solved, simplified disassembly and installation, and improved maintenance efficiency.
Patent Information
- Application Number
- CN202422240153.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-12
AI Technical Summary
When the existing three-way catalyst bracket is removed, the three-way catalyst falls directly from the bottom of the vehicle, causing workers to take out and lift it from the bottom of the vehicle for time and effort, increasing the difficulty of operation and labor intensity.
A three-element catalyst bracket for automotive use is designed. Through the cooperation of the clamp assembly and the shaft, gravity is used to rotate the clamp assembly below, simplifying the disassembly and installation process and reducing manual operation steps.
It saves workers time and physical strength to remove and lift the three-way catalyst from the bottom of the vehicle, improves maintenance efficiency, and reduces labor intensity.
Smart Images

Figure CN223237370U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a bracket, in particular to a three-way catalytic converter bracket for a vehicle, and belongs to the technical field of three-way catalytic converter brackets. Background Art
[0002] The three-way catalytic converter is the most important off-board purification device installed in a vehicle's exhaust system. It converts harmful gases such as CO, HC, and NOx into harmless CO2, water, and N2. It is typically installed at the front end of the vehicle's underbody exhaust assembly, with its ends connected to the vehicle's exhaust pipe and muffler. The three-way catalytic converter primarily consists of the following components: housing, catalyst gasket, catalytic coating, gas channel, ceramic carrier, metal carrier, sealing material, temperature sensor, and pressure sensor.
[0003] Most inspections of the three-way catalytic converter only require confirming the status of the internal parts of the three-way catalytic converter. However, when the existing three-way catalytic converter bracket is removed, the three-way catalytic converter will fall directly from the bottom of the vehicle. The workers then have to remove the three-way catalytic converter from the bottom of the vehicle, observe it, and then lift the three-way catalytic converter to install it. The process of removing the three-way catalytic converter from the bottom of the vehicle and lifting it to install it is time-consuming and laborious.
[0004] Therefore, there is an urgent need to improve a vehicle three-way catalytic converter bracket to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a three-way catalytic converter bracket for a vehicle. When the bolts at the connection between the first connecting plate and the second connecting plate are unscrewed, the clamp assembly rotates around the rotating shaft through the rotating plate. Under the action of gravity, the clamp assembly is located below the rotating shaft. At this time, the clamp assembly is in an inspection position, and there is no need for workers to remove the three-way catalytic converter from the bottom of the vehicle for inspection and then lift the three-way catalytic converter for installation, thereby saving the workers' time and physical strength in the process of removing the three-way catalytic converter from the bottom of the vehicle and lifting the three-way catalytic converter for installation.
[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the present invention include: a clamp assembly, a rotating shaft and a rotating shaft fixing part, the clamp assembly includes a first clamp and a second clamp, the outer side surface of the first clamp is fixedly installed with a second connecting plate, the other end of the second connecting plate is connected to the first connecting plate by a bolt, the other end of the first connecting plate is fixedly connected to the connecting frame at the bottom of the frame, the outer side surface of the second clamp is fixedly connected with a rotating plate, the other end of the rotating plate is rotatably connected to the rotating shaft, the rotating shaft passes through both sides of the rotating shaft fixing part and is fixedly connected to the rotating shaft fixing part, and the rotating shaft fixing part is fixedly connected to the connecting frame at the bottom of the frame.
[0007] Preferably, the first clamp and the second clamp are both semi-annular structures, and the first clamp and the second clamp are connected by bolts.
[0008] Preferably, a plurality of shock-absorbing grooves are provided on the annular surface formed by the first clamp and the second clamp, and shock-absorbing rings are fixedly installed inside the plurality of shock-absorbing grooves.
[0009] Preferably, reinforcing ribs are provided along the edges of both side surfaces of the rotating plate.
[0010] Preferably, a waist-shaped hole is provided at the contact portion between the first connecting plate and the second connecting plate.
[0011] Preferably, the first connecting plate and the second connecting plate are bent structures.
[0012] The utility model has at least the following beneficial effects:
[0013] 1. Unscrew the bolts at the connection between the first connecting plate and the second connecting plate. The clamp assembly rotates around the rotating shaft through the rotating plate. Under the action of gravity, the clamp assembly is located below the rotating shaft. At this time, the clamp assembly is in the maintenance position. After the preliminary maintenance, remove the first clamp together with the second connecting plate when disassembly is required. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0015] Figure 1 This is a schematic diagram of the isometric structure No. 1 provided by the utility model;
[0016] Figure 2 This is the second isometric structural diagram provided by the utility model;
[0017] Figure 3 This is an isometric structural diagram of the clamp assembly provided by the utility model;
[0018] Figure 4 This is an isometric structural diagram of the first clamp provided by the utility model;
[0019] Figure 5 This is a schematic diagram of the isometric structure of the second clamp provided by the utility model.
[0020] In the figure, 1. clamp assembly; 2. rotating shaft; 3. rotating shaft fixing part; 4. first clamp; 5. second clamp; 6. second connecting plate; 7. first connecting plate; 8. rotating plate; 9. shock-absorbing groove; 10. shock-absorbing ring; 11. reinforcing rib; 12. waist-shaped hole. DETAILED DESCRIPTION
[0021] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0022] like Figure 1-Figure 5 As shown, the vehicle three-way catalytic converter bracket provided in this embodiment includes a clamp assembly 1, a rotating shaft 2 and a rotating shaft fixing member 3. The clamp assembly 1 includes a first clamp 4 and a second clamp 5. The outer side of the first clamp 4 is fixedly installed with a second connecting plate 6. The other end of the second connecting plate 6 is connected to the first connecting plate 7 by a bolt. The other end of the first connecting plate 7 is fixedly connected to the connecting frame at the bottom of the vehicle frame. The outer side of the second clamp 5 is fixedly connected with a rotating plate 8. The other end of the rotating plate 8 is rotatably connected to the rotating shaft 2. The rotating shaft 2 passes through both sides of the rotating shaft fixing member 3 and is connected to the rotating shaft fixing member 3. Fixed connection, the shaft fixing part 3 is fixedly connected to the connecting frame at the bottom of the frame, unscrew the bolts at the connection between the first connecting plate 7 and the second connecting plate 6, and the clamp assembly 1 rotates around the rotating shaft 2 through the rotating plate 8. Under the action of gravity, the clamp assembly 1 is located below the rotating shaft 2. At this time, the clamp assembly 1 is in the maintenance position. After preliminary maintenance, if disassembly is required, the first clamp 4 will be removed together with the second connecting plate 6. When installing, first install the first clamp 4 and the first connecting plate 7, and then rotate the clamp assembly 1 around the rotating shaft 2 to fix the first connecting plate 7 and the second connecting plate 6.
[0023] Among them, Figure 3 As shown, the first clamp 4 and the second clamp 5 are both semi-annular structures. The first clamp 4 and the second clamp 5 are connected by bolts. The first clamp 4 and the second clamp 5 are detachable. When removing the three-way catalytic converter, unscrew the bolts to remove the first clamp 4.
[0024] Further, such as Figure 3 、 Figure 4 as well as Figure 5 As shown, the annular surface formed by the first clamp 4 and the second clamp 5 is provided with a plurality of shock-absorbing grooves 9, and shock-absorbing rings 10 are fixedly installed inside the plurality of shock-absorbing grooves 9. The plurality of shock-absorbing rings 10 are made of elastic material and play a role in shock-absorbing the three-way catalytic converter.
[0025] Among them, Figure 5 As shown, reinforcing ribs 11 are provided along the edges of both sides of the rotating plate 8, which can effectively reduce the structural weight compared to the whole plate while meeting the structural strength requirements.
[0026] Among them, Figure 1As shown, the first connecting plate 7 and the second connecting plate 6 are of a bent structure, and a waist-shaped hole 12 is provided at the contact portion between the first connecting plate 7 and the second connecting plate 6. During installation, the second connecting plate 6 is preliminarily fixed through the waist-shaped hole 12, and then the three-way catalytic converter is fixed to other parts at both ends.
[0027] like Figure 1-Figure 5 As shown, the principle of the vehicle three-way catalytic converter bracket provided in this embodiment is as follows: the second connecting plate 6 is fixedly installed on the outer side of the first clamp 4, and the shaft fixing part 3 is fixedly connected to the connecting frame at the bottom of the frame. The bolts at the connection between the first connecting plate 7 and the second connecting plate 6 are unscrewed, and the clamp assembly 1 rotates around the rotating shaft 2 through the rotating plate 8. Under the action of gravity, the clamp assembly 1 is located below the rotating shaft 2. At this time, the clamp assembly 1 is in the maintenance position. After preliminary maintenance, the first clamp 4 is removed together with the second connecting plate 6 when disassembly is required. When installing, the first clamp 4 and the first connecting plate 7 are first installed, and then the clamp assembly 1 is rotated around the rotating shaft 2. A waist-shaped hole 12 is provided at the contact part between the first connecting plate 7 and the second connecting plate 6. The other end of the first connecting plate 7 is fixedly connected to the connecting frame at the bottom of the frame. The second connecting plate 6 is preliminarily pre-fixed through the waist-shaped hole 12, and then the three-way catalytic converter is fixed to other parts at both ends. The first clamp 4 and the second clamp 5 are both semi-annular structures. The first clamp 4 and the second clamp 5 are connected by bolts. The first clamp 4 and the second clamp 5 are detachable. When removing the three-way catalytic converter, unscrew the bolts to remove the first clamp 4. The annular surface formed by the first clamp 4 and the second clamp 5 is provided with multiple shock-absorbing grooves 9. Shock-absorbing rings 10 are fixedly installed inside the multiple shock-absorbing grooves 9. The multiple shock-absorbing rings 10 are made of elastic material and play a role in shock-absorbing the three-way catalytic converter.
[0028] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term and should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.
[0029] It should be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the product or system comprising the element.
[0030] The above description shows and describes several preferred embodiments of the present invention. However, as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention as taught herein or through the techniques or knowledge in the relevant field. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.
Claims
1. A three-way catalytic converter bracket for a vehicle, comprising a clamp assembly (1), a rotating shaft (2) and a rotating shaft fixing member (3), characterized in that: The clamp assembly (1) comprises a first clamp (4) and a second clamp (5), wherein a second connecting plate (6) is fixedly mounted on the outer side surface of the first clamp (4), and the other end of the second connecting plate (6) is connected to the first connecting plate (7) by bolts, and the other end of the first connecting plate (7) is fixedly connected to the connecting frame at the bottom of the vehicle frame, and a rotating plate (8) is fixedly connected to the outer side surface of the second clamp (5), and the other end of the rotating plate (8) is rotatably connected to the rotating shaft (2), and the rotating shaft (2) passes through both sides of the rotating shaft fixing member (3) and is fixedly connected to the rotating shaft fixing member (3), and the rotating shaft fixing member (3) is fixedly connected to the connecting frame at the bottom of the vehicle frame.
2. The vehicle three-way catalytic converter bracket according to claim 1, characterized in that: The first clamp (4) and the second clamp (5) are both semi-annular structures, and the first clamp (4) and the second clamp (5) are connected by bolts.
3. The vehicle three-way catalytic converter bracket according to claim 1, characterized in that: The annular surface formed by the first clamp (4) and the second clamp (5) is provided with a plurality of shock-absorbing grooves (9), and shock-absorbing rings (10) are fixedly installed inside the plurality of shock-absorbing grooves (9).
4. The vehicle three-way catalytic converter bracket according to claim 1, characterized in that: Reinforcement ribs (11) are provided along the edges of both side surfaces of the rotating plate (8).
5. The vehicle three-way catalytic converter bracket according to claim 1, characterized in that: A waist-shaped hole (12) is provided at the contact portion between the first connecting plate (7) and the second connecting plate (6).
6. The vehicle three-way catalytic converter bracket according to claim 1, characterized in that: The first connecting plate (7) and the second connecting plate (6) are bent structures.