EGR cooler support

By designing an EGR cooler bracket including an L-shaped first fixing frame, a first connecting rod, a connecting ring and a second connecting rod, the fixing problem in the prior art that can only be adapted to a single state is solved, and the flexibility and adaptability of multi-state installation are achieved.

CN222772295UActive Publication Date: 2025-04-18WUXI JIAYI CARRIAGE MFG CO LTD
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Patent Information

Application Number
CN202421783620.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-04-18
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing EGR cooler brackets can only adapt to fixation in a single state and cannot meet the installation needs of different support positions.

Method used

An EGR cooler bracket is designed, including an L-shaped first fixing frame, a first connecting rod, a connecting ring and a second connecting rod. Through the relative position changes of these components, the position of the second fixing frame is adjusted to meet the installation needs of different support positions.

Benefits of technology

The multi-state installation of the EGR cooler bracket is realized, which improves the flexibility and adaptability of installation and meets the needs of different support positions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an EGR cooler support which comprises a first fixing frame, two first connecting rods are symmetrically and rotationally installed at the center of the inner side of the first fixing frame through two second rotating shafts, and the ends of the two first connecting rods are rotationally connected with connecting rings through first rotating shafts. The end of the connecting ring is rotationally connected with two second connecting rods through the two first rotating shafts, and the ends of the two second connecting rods are rotationally connected with a second fixing frame through the two second rotating shafts. One side of the first fixing frame is rotationally connected with the first connecting rod through the first rotating shaft, the bottom end of the second fixing frame is rotationally connected with the second connecting rod through the first rotating shaft, and then the end of the first connecting rod and the end of the second connecting rod are rotationally connected through the connecting ring and the second rotating shaft. The position of the second fixing frame is adjusted by changing the relative positions of the first connecting rod, the connecting ring and the second connecting rod, so that the mounting requirements of different supporting positions are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile engines, in particular to an EGR cooler bracket. Background Art

[0002] Exhaust gas recirculation module, referred to as EGR module, is a method of introducing part of the exhaust gas into the intake pipe during the operation of the engine, mixing it with fresh air or atomized mixed gas and then entering the engine cylinder for re-combustion. This method is currently an effective measure for reducing NOx emissions. As a low-cost, small-change-to-the-engine-body, and effective NOx emission control measure, EGR technology has been increasingly widely used in the field of engine emission control, especially the way to install the EGR module on the engine is also being explored.

[0003] In the prior art, for example, Chinese patent CN219865277U discloses a novel EGR cooler bracket, which is characterized in that it includes a first bracket and a second bracket, and the first bracket and the second bracket are respectively fixedly connected to two surfaces of the EGR cooler, so that the novel EGR cooler bracket is fixedly installed together with the EGR cooler.

[0004] However, in the above technology, the first bracket and the second bracket are two independent entities, and the first bracket and the second bracket are both integrally formed, and can only be fixed in a single state. Utility Model Content

[0005] The utility model aims to provide an EGR cooler bracket to solve the problem that the bracket can only be fixed in a single state.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EGR cooler bracket, comprising a first fixing frame, the first fixing frame is an L-shaped frame body, two first connecting rods are symmetrically rotatably installed at the inner center of the first fixing frame through two second rotating shafts, the ends of the two first connecting rods are rotatably connected to connecting rings through the first rotating shafts, the ends of the connecting rings are rotatably connected to two second connecting rods through the two first rotating shafts, and the ends of the two second connecting rods are rotatably connected to the second fixing frame through the two second rotating shafts.

[0007] Among them, six evenly distributed first fixing holes are formed through the surface of the first fixing frame, and the first fixing frame is fixedly connected to the EGR cooler through the first fixing holes.

[0008] The second fixing frame includes a vertical plate and a horizontal plate vertically arranged to the vertical plate, and six evenly distributed second fixing holes are formed through the surfaces of the vertical plate and the horizontal plate.

[0009] Wherein, both ends of the first connecting rod and the second connecting rod are provided with first connecting holes, and both the first rotating shaft and the second rotating shaft are matched with the first connecting holes.

[0010] Wherein, second connection holes are provided at positions on the surface of the connection ring corresponding to the four first connection holes, and the aperture of the second connection holes is consistent with that of the first connection holes.

[0011] The ends of the two first connecting rods are rotatably connected to the front side of the connecting ring, and the ends of the two second connecting rods are rotatably connected to the back side of the connecting ring.

[0012] Wherein, locking nuts are threadedly installed on the first rotating shaft and the second rotating shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is rotatably connected to the first connecting rod through the first rotating shaft on one side of the first fixing frame, and is rotatably connected to the second connecting rod through the first rotating shaft at the bottom end of the second fixing frame, and then a connecting ring is used to rotatably connect the ends of the first connecting rod and the second connecting rod through the second rotating shaft, and the position of the second fixing frame is adjusted by changing the relative position between the first connecting rod, the connecting ring and the second connecting rod to meet the installation requirements of different supporting positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the axonometric structure of an EGR cooler bracket in the first state of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure at A in the middle;

[0017] Figure 3 This is a front axonometric structural schematic diagram of an EGR cooler bracket in the second state of the utility model;

[0018] Figure 4 This is a schematic diagram of the back axonometric structure of an EGR cooler bracket in the second state of the utility model;

[0019] Figure 5 This is a schematic diagram of the front view structure of an EGR cooler bracket of the utility model in the third state;

[0020] Figure 6 This is a schematic diagram of a partially enlarged structure of an EGR cooler bracket of the utility model.

[0021] In the figure: 10, first fixing bracket; 11, first fixing hole; 20, second fixing bracket; 21, second fixing hole; 30, first connecting rod; 31, first connecting hole; 40, connecting ring; 41, second connecting hole; 50, second connecting rod; 60, first rotating shaft; 70, second rotating shaft; 80, EGR cooler. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figure 1-6 The utility model provides a technical solution: an EGR cooler bracket, comprising a first fixing bracket 10, the first fixing bracket 10 is an L-shaped bracket, two first connecting rods 30 are symmetrically rotatably installed at the inner center of the first fixing bracket 10 through two second rotating shafts 70, the ends of the two first connecting rods 30 are rotatably connected with the connecting ring 40 through the first rotating shaft 60, the ends of the connecting ring 40 are rotatably connected with the two second connecting rods 50 through the two first rotating shafts 60, and the ends of the two second connecting rods 50 are rotatably connected with the second fixing bracket 20 through the two second rotating shafts 70, and the first fixing bracket 10 is rotatably connected with the first connecting rod 30 through the first rotating shaft 60 on one side, and the second fixing bracket 20 is rotatably connected with the second connecting rod 50 through the first rotating shaft 60 at the bottom end, and the connecting ring 40 is used to rotatably connect the ends of the first connecting rod 30 and the second connecting rod 50 through the second rotating shaft 70, and the relative position between the first connecting rod 30, the connecting ring 40 and the second connecting rod 50 is changed to adjust the position of the second fixing bracket 20 to meet the installation requirements of different supporting positions.

[0024] Among them, six evenly distributed first fixing holes 11 are opened through the surface of the first fixing frame 10, and the first fixing frame 10 is fixedly connected to the EGR cooler 80 through the first fixing holes 11. The first fixing holes 11 are set to be fixedly connected to the EGR cooler 80 to ensure the stability of the overall structure of the bracket.

[0025] Among them, the second fixing frame 20 includes a vertical plate and a horizontal plate arranged perpendicular to the vertical plate. Six second fixing holes 21 are evenly distributed through the surfaces of the vertical plate and the horizontal plate. The second fixing holes 21 are set for fixed connection with the engine. The vertical setting of the vertical plate and the horizontal plate can meet the fixing requirements in different directions.

[0026] Among them, both ends of the first connecting rod 30 and the second connecting rod 50 are provided with a first connecting hole 31, and the first rotating shaft 60 and the second rotating shaft 70 are matched with the first connecting hole 31. Through the cooperation of the first rotating shaft 60 and the second rotating shaft 70 with the first connecting hole 31, the first connecting rod 30 and the first fixed frame 10 are respectively connected to the rotation connection, and the second connecting rod 50 and the second fixed frame 20 are respectively connected.

[0027] Among them, the second connecting hole 41 is provided at the position corresponding to the four first connecting holes 31 on the surface of the connecting ring 40. The second connecting hole 41 has the same aperture as the first connecting hole 31, which can meet the requirements of the first rotating shaft 60 passing through the first connecting hole 31 and the second connecting hole 41, so that the connecting ring 40 can rotatably connect the ends of the first connecting rod 30 and the second connecting rod 50 through the second rotating shaft 70.

[0028] Among them, the ends of the two first connecting rods 30 are rotatably connected to the front side of the connecting ring 40, and the ends of the two second connecting rods 50 are rotatably connected to the back side of the connecting ring 40. The first connecting rod 30 and the second connecting rod 50 are arranged on both sides of the connecting ring 40, so that they do not affect each other during rotation, thereby meeting the installation requirements of different support positions.

[0029] Among them, locking nuts are threadedly installed on the first rotating shaft 60 and the second rotating shaft 70. The locking nuts are set to fix the positions between the three after the positions of the connecting ring 40 and the first connecting rod 30 and the second connecting rod 50 are adjusted respectively, so as to ensure the structural stability of the overall bracket.

[0030] Working principle: When in use, the first connecting rod 30 is rotatably connected to the first fixing frame 10 through the first rotating shaft 60 on one side, and the second connecting rod 50 is rotatably connected to the second fixing frame 20 through the first rotating shaft 60 at the bottom end, and then the connecting ring 40 is used to rotatably connect the ends of the first connecting rod 30 and the second connecting rod 50 through the second rotating shaft 70. The position of the second fixing frame 20 is adjusted by changing the relative position between the first connecting rod 30, the connecting ring 40 and the second connecting rod 50 to meet the installation requirements of different supporting positions.

[0031] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. An EGR cooler bracket, comprising a first fixing bracket (10), characterized in that: The first fixing frame (10) is an L-shaped frame body. Two first connecting rods (30) are symmetrically rotatably mounted at the inner center of the first fixing frame (10) via two second rotating shafts (70). The ends of the two first connecting rods (30) are rotatably connected to connecting rings (40) via first rotating shafts (60). The ends of the connecting rings (40) are rotatably connected to two second connecting rods (50) via two first rotating shafts (60). The ends of the two second connecting rods (50) are rotatably connected to the second fixing frame (20) via two second rotating shafts (70).

2. The EGR cooler bracket according to claim 1, characterized in that: Six evenly distributed first fixing holes (11) are formed through the surface of the first fixing frame (10), and the first fixing frame (10) is fixedly connected to the EGR cooler (80) through the first fixing holes (11).

3. The EGR cooler bracket according to claim 1, characterized in that: The second fixing frame (20) comprises a vertical plate and a horizontal plate arranged perpendicular to the vertical plate, and the surfaces of the vertical plate and the horizontal plate are both penetrated by six evenly distributed second fixing holes (21).

4. The EGR cooler bracket according to claim 1, characterized in that: Both ends of the first connecting rod (30) and the second connecting rod (50) are provided with first connecting holes (31), and the first rotating shaft (60) and the second rotating shaft (70) are matched with the first connecting holes (31).

5. The EGR cooler bracket according to claim 4, characterized in that: Second connection holes (41) are provided on the surface of the connection ring (40) at positions corresponding to the four first connection holes (31); the second connection holes (41) have the same diameter as the first connection holes (31).

6. The EGR cooler bracket according to claim 1, characterized in that: The ends of the two first connecting rods (30) are rotatably connected to the front side of the connecting ring (40), and the ends of the two second connecting rods (50) are rotatably connected to the back side of the connecting ring (40).

7. The EGR cooler bracket according to claim 1, characterized in that: The first rotating shaft (60) and the second rotating shaft (70) are both threadedly mounted with locking nuts.

Citation Information

Patent Citations

  • Novel EGR cooler support

    CN219865277U