New energy automobile exhaust channel assembly

By designing the mounting components and disassembly components, the elastic adjustment of the exhaust passage components and chassis of new energy vehicles and the rapid replacement of exhaust tailpipes is achieved, which solves the problems of chassis stability and maintenance costs, and improves the convenience of use of exhaust passage components.

CN223241507UActive Publication Date: 2025-08-19CHONGQING HAITE AUTOMOBILE EXHAUST SYST CO LTD
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Patent Information

Application Number
CN202422431257.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-19
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

It is difficult to adjust the tightness between the exhaust passage components of new energy vehicles and the chassis, and the exhaust tailpipe is not convenient to be replaced separately when collided, affecting stability and maintenance costs.

Method used

The mounting assembly and disassembly assembly are designed to adjust the elasticity of the chassis and exhaust passage components through the cooperation of the hook and the internal threaded housing, and the rapid separation of the exhaust tailpipe and main muffler is achieved through the design of bolts and concave edges.

Benefits of technology

It improves the stability of the chassis and exhaust passage components, facilitates the rapid replacement of exhaust tailpipes, reduces maintenance costs, and improves the convenience of exhaust passage components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of new energy automobiles, and discloses a new energy automobile exhaust channel assembly which comprises an exhaust branch pipe and a front exhaust pipe, a catalytic reactor is installed between the exhaust branch pipe and the front exhaust pipe, one end of the front exhaust pipe is connected with an auxiliary silencer, one side of the auxiliary silencer is connected with a rear exhaust pipe, and the other side of the rear exhaust pipe is connected with an air inlet pipe. The hanging assembly structure is arranged, the exhaust channel assembly is hung at the bottom of the base plate through the hook, then the rod piece is screwed while the internal thread shell is held, the rod piece drives the threaded block to rotate through the bearing, the internal thread shell moves on the rod piece, and therefore the hook is driven to move downwards, and the exhaust channel assembly is hung on the bottom of the base plate. And the hook is firmly hung on the base plate, so that the tightness degree between the base plate and the exhaust channel assembly is quickly adjusted, the stability between the base plate and the exhaust channel assembly is greatly improved, and normal use of the exhaust channel assembly is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of new energy vehicles, and specifically relates to an exhaust channel component for a new energy vehicle. Background Art

[0002] New energy vehicles are low-pollution vehicles that use unconventional automotive fuels as their power source. The chassis of new energy vehicles is usually equipped with exhaust duct components to facilitate the discharge of heat and exhaust gas generated by the vehicle during driving.

[0003] At present, the exhaust duct assembly of new energy vehicles is connected to the vehicle chassis only by hooks, and it is difficult to adjust the tightness between the chassis and the exhaust duct assembly, resulting in a significant reduction in the stability between the chassis and the exhaust duct assembly, affecting the normal use of the exhaust duct assembly; in addition, when a new energy vehicle is involved in a rear-end collision, the exhaust tail pipe at the rear end of the exhaust duct assembly will usually be deformed under the action of the collision, but the existing exhaust duct assembly is not convenient for replacing the exhaust tail pipe separately, resulting in a significant increase in the vehicle's maintenance cost and a reduction in the convenience of the exhaust duct assembly. Utility Model Content

[0004] The purpose of the utility model is to provide an exhaust duct assembly for a new energy vehicle to solve the problems of the existing exhaust duct assembly being difficult to adjust the tightness between the chassis and the exhaust duct assembly and being inconvenient to replace the exhaust tail pipe separately.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an exhaust channel assembly for a new energy vehicle, comprising: an exhaust branch pipe and a front exhaust pipe, a catalytic reactor being installed between the exhaust branch pipe and the front exhaust pipe, one end of the front exhaust pipe is connected to a secondary muffler, one side of the secondary muffler is connected to a rear exhaust pipe, one end of the rear exhaust pipe is connected to a main muffler, and one side of the main muffler is connected to an exhaust tail pipe; a hanging assembly, wherein the hanging assembly is arranged on the outer walls of the front exhaust pipe and the rear exhaust pipe, the hanging assembly includes a sleeve, the two sleeves are respectively sleeved on the outer walls of the front exhaust pipe and the rear exhaust pipe, and the tops of the two sleeves are rotatably connected to a rod through bearings, the top end of the rod is connected to an internal threaded shell, and the top end of the rod passes through the internal threaded shell, the rod passes through the internal threaded shell and one end is connected to a threaded block, the threaded block is threadedly connected to the internal threaded shell, and the top of the internal threaded shell is connected to a hook.

[0006] Preferably, a disassembly and assembly component is provided between the main muffler and the exhaust tail pipe, and the disassembly and assembly component includes an annular plate, which is connected to one side of the main muffler, and a concave edge is provided on one side of the annular plate, and bolts are passed through the annular plate and the concave edge, and the outer wall of the exhaust tail pipe is connected to a connecting plate that matches the concave edge, and the top of the connecting plate is provided with a threaded groove that matches the bolt.

[0007] Preferably, the outer wall of the rod is connected to a torsion plate, and arc grooves are formed on both sides of the torsion plate.

[0008] Preferably, the top of the internally threaded shell is connected to a connecting cylinder, both sides of the connecting cylinder are rotatably connected to concave plates, and the hooks and the concave plates are connected to each other.

[0009] Preferably, a sealing gasket is provided on one side of the inner wall of the concave edge.

[0010] Preferably, positioning grooves are provided on both sides of the concave edge, the positioning grooves are interconnected with one side of the annular plate, and positioning blocks matching the positioning grooves are connected to both sides of the connecting plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) The utility model sets a hanging component, and hangs the exhaust channel component on the bottom of the chassis through a hook. Then, the rod is screwed while holding the internal threaded shell, so that the rod drives the threaded block to rotate through the bearing, so that the internal threaded shell moves on the rod, thereby driving the hook to move downward, so that the hook is firmly hung on the chassis, thereby realizing rapid adjustment of the tightness between the chassis and the exhaust channel component, greatly improving the stability between the chassis and the exhaust channel component, and facilitating the normal use of the exhaust channel component.

[0013] (2) The utility model provides a disassembly and assembly component. When the exhaust tail pipe needs to be separated from the main muffler, the bolt is screwed to move the bolt upward, so that the threaded portion of the bolt is disengaged from the thread groove, and the connection plate is released from the limit inside the concave edge. Then, the exhaust tail pipe is pulled outward to disengage the connection plate from the concave edge, thereby realizing the separation of the exhaust tail pipe from the main muffler, facilitating the rapid replacement of the exhaust tail pipe alone, greatly reducing the maintenance cost of the vehicle, and improving the convenience of the exhaust channel component. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a left side cross-sectional view of the connection between the rear exhaust pipe and the mounting assembly of the present invention;

[0016] Figure 3 for Figure 1 A magnified view of point A;

[0017] Figure 4 This is a left side view of the connection between the main muffler and the exhaust tail pipe of the utility model;

[0018] In the figure: 1. exhaust branch pipe; 2. catalytic reactor; 3. front exhaust pipe; 4. auxiliary muffler; 5. rear exhaust pipe; 6. main muffler; 7. exhaust tail pipe; 8. rod; 9. threaded block; 10. internal threaded shell; 11. hook; 12. connecting tube; 13. concave plate; 14. torsion plate; 15. arc groove; 16. sleeve; 17. annular plate; 18. concave edge; 19. connecting plate; 20. threaded groove; 21. bolt; 22. sealing gasket; 23. positioning block; 24. positioning groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Reference Figure 1-Figure 4 As shown, the utility model provides the following technical solutions: an exhaust channel component for a new energy vehicle, comprising: an exhaust branch pipe 1 and a front exhaust pipe 3, a catalytic reactor 2 is installed between the exhaust branch pipe 1 and the front exhaust pipe 3, one end of the front exhaust pipe 3 is connected to a secondary muffler 4, one side of the secondary muffler 4 is connected to a rear exhaust pipe 5, one end of the rear exhaust pipe 5 is connected to a main muffler 6, and one side of the main muffler 6 is connected to an exhaust tail pipe 7; a hanging component, the hanging component is arranged on the outer wall of the front exhaust pipe 3 and the rear exhaust pipe 5, the hanging component includes a sleeve 16, two sleeves 16 are respectively sleeved on the outer wall of the front exhaust pipe 3 and the rear exhaust pipe 5, and the top of the two sleeves 16 are rotatably connected to a rod 8 through a bearing, the top of the rod 8 is connected to an internal threaded shell 10, and the top of the rod 8 passes through the internal threaded shell 10, the rod 8 passes through the internal threaded shell 10 and one end is connected to a threaded block 9, the threaded block 9 is threadedly connected to the internal threaded shell 10, and the top of the internal threaded shell 10 is connected to a hook 11.

[0021] Through the above technical solution:

[0022] Specifically, when it is necessary to adjust the tightness between the chassis and the exhaust duct assembly, the exhaust duct assembly is hung on the bottom of the chassis through the hook 11, and then the rod 8 is screwed while holding the internal threaded shell 10, so that the rod 8 drives the threaded block 9 to rotate through the bearing, so that the internal threaded shell 10 moves on the rod 8, thereby driving the hook 11 to move downward, so that the hook 11 is firmly hung on the chassis, thereby completing the adjustment of the tightness between the chassis and the exhaust duct assembly.

[0023] In the present invention, further embodiments are provided, referring to Figure 1 、 Figure 3 and Figure 4 A disassembly and assembly component is provided between the main muffler 6 and the exhaust tail pipe 7. The disassembly and assembly component includes an annular plate 17, which is connected to one side of the main muffler 6. A concave edge 18 is provided on one side of the annular plate 17. A bolt 21 passes through the annular plate 17 and the concave edge 18. The outer wall of the exhaust tail pipe 7 is connected to a connecting plate 19 that matches the concave edge 18. The top of the connecting plate 19 is provided with a threaded groove 20 that matches the bolt 21.

[0024] Through the above technical solution:

[0025] Specifically, when it is necessary to separate the exhaust tail pipe 7 from the main muffler 6, the bolt 21 is screwed to move the bolt 21 upward, so that the threaded portion of the bolt 21 disengages from the thread groove 20, so that the connecting plate 19 is released from the limit inside the recessed edge 18, and then the exhaust tail pipe 7 is pulled outward to disengage the connecting plate 19 from the recessed edge 18, thereby separating the exhaust tail pipe 7 from the main muffler 6.

[0026] Reference Figure 1-Figure 4 The outer wall of the rod 8 is connected to a torsion plate 14, and arc grooves 15 are provided on both sides of the torsion plate 14. The top of the internal threaded shell 10 is connected to the connecting tube 12, and the two sides of the connecting tube 12 are rotatably connected to the concave plate 13. The hook 11 and the concave plate 13 are connected to each other. A sealing gasket 22 is provided on one side of the inner wall of the concave edge 18, and positioning grooves 24 are provided on both sides of the concave edge 18. The positioning groove 24 and one side of the annular plate 17 are mutually connected, and both sides of the connecting plate 19 are connected with positioning blocks 23 that match the positioning grooves 24.

[0027] Through the above technical solution:

[0028] Specifically, arc grooves 15 are provided on both sides of the torsion plate 14 to facilitate manual screwing of the rod 8, and the connecting tube 12 and the concave plate 13 are provided to facilitate rotation of the hook 11 on the connecting tube 12, so that the hook 11 can be quickly hung on the chassis. The sealing gasket 22 is provided to improve the sealing performance between the exhaust tail pipe 7 and the annular plate 17, and the positioning groove 24 and the positioning block 23 are provided to facilitate positioning of the connecting plate 19 inside the concave edge 18.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle exhaust duct assembly, characterized in that ,include: An exhaust branch pipe (1) and a front exhaust pipe (3), a catalytic reactor (2) is installed between the exhaust branch pipe (1) and the front exhaust pipe (3), one end of the front exhaust pipe (3) is connected to a secondary muffler (4), one side of the secondary muffler (4) is connected to a rear exhaust pipe (5), one end of the rear exhaust pipe (5) is connected to a main muffler (6), and one side of the main muffler (6) is connected to an exhaust tail pipe (7); A hanging component is provided on the outer wall of the front exhaust pipe (3) and the rear exhaust pipe (5), and the hanging component includes a sleeve (16), two sleeves (16) are respectively sleeved on the outer wall of the front exhaust pipe (3) and the rear exhaust pipe (5), and the tops of the two sleeves (16) are rotatably connected to a rod (8) through a bearing, the top of the rod (8) is connected to an internal threaded shell (10), and the top of the rod (8) passes through the internal threaded shell (10), and one end of the rod (8) passing through the internal threaded shell (10) is connected to a threaded block (9), the threaded block (9) is threadedly connected to the internal threaded shell (10), and the top of the internal threaded shell (10) is connected to a hook (11).

2. The exhaust duct assembly for a new energy vehicle according to claim 1, characterized in that: A disassembly assembly is provided between the main muffler (6) and the exhaust tail pipe (7), and the disassembly assembly comprises an annular plate (17), the annular plate (17) is connected to one side of the main muffler (6), a concave edge (18) is provided on one side of the annular plate (17), a bolt (21) passes through between the annular plate (17) and the concave edge (18), the outer wall of the exhaust tail pipe (7) is connected to a connecting plate (19) that matches the concave edge (18), and a threaded groove (20) that matches the bolt (21) is provided on the top of the connecting plate (19).

3. The exhaust duct assembly for a new energy vehicle according to claim 1, characterized in that: The outer wall of the rod (8) is connected to a torsion plate (14), and arc grooves (15) are provided on both sides of the torsion plate (14).

4. The exhaust duct assembly for a new energy vehicle according to claim 1, characterized in that: The top of the internal threaded shell (10) is connected to a connecting cylinder (12), and both sides of the connecting cylinder (12) are rotatably connected to concave plates (13), and the hook (11) and the concave plates (13) are connected to each other.

5. The exhaust duct assembly for a new energy vehicle according to claim 2, characterized in that: A sealing gasket (22) is provided on one side of the inner wall of the concave edge (18).

6. The exhaust duct assembly for a new energy vehicle according to claim 2, characterized in that: Positioning grooves (24) are provided on both sides of the concave edge (18), the positioning grooves (24) and one side of the annular plate (17) are mutually connected, and positioning blocks (23) that match the positioning grooves (24) are connected to both sides of the connecting plate (19).