CN220979709U - Integrated shock attenuation of EGR cooler always arranges - Google Patents
Integrated shock attenuation of EGR cooler always arranges Download PDFInfo
- Publication number
- CN220979709U CN220979709U CN202322924223.4U CN202322924223U CN220979709U CN 220979709 U CN220979709 U CN 220979709U CN 202322924223 U CN202322924223 U CN 202322924223U CN 220979709 U CN220979709 U CN 220979709U
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- CN
- China
- Prior art keywords
- egr cooler
- damping
- return pipe
- aggregate
- pipe
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Links
- 230000035939 shock Effects 0.000 title claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000013016 damping Methods 0.000 claims abstract description 35
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical class O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model relates to the technical field of installation of EGR coolers, and discloses an integrated damping total arrangement of an EGR cooler, which comprises the EGR cooler, a cylinder cover part, a total water return pipe and an exhaust pipe, wherein the total water return pipe is connected to one side of the cylinder cover part, the EGR cooler is arranged above the total water return pipe, a damping spacer is arranged between the total water return pipe and the EGR cooler, and the exhaust pipe is connected to one side of the total water return pipe which is not connected with the cylinder cover part.
Description
Technical Field
The utility model relates to the technical field of EGR cooler installation, in particular to an integrated damping total arrangement of an EGR cooler.
Background
In the development process of the national six products, an EGR system is required to be added to reduce the generation of nitrogen oxide compounds, a cooling water channel and cooling fins are arranged in the EGR cooler, the height is higher, high requirements are provided for arrangement positions, excessive steel plates are required to be used for fixing when the EGR cooler is installed on the exhaust side of the whole engine, the whole Z-direction height is easy to exceed a cylinder housing, the EGR cooler is easy to interfere with the whole engine cabin, and the EGR cooler is easy to loosen in torque of fixing bolts of the EGR cooler and fall off due to vibration of about 20g of acceleration due to high-strength long-time vibration radiation during the operation of the engine EGR cooling system, so that the reliability is influenced.
Therefore, the EGR cooler has a complicated arrangement structure, and the problem that the parts are easy to fall off due to excessive vibration exists in the technology.
Disclosure of utility model
The utility model aims to solve the technical problems that the existing EGR cooler is complex in arrangement structure, easy to interfere and easy to drop out due to overlarge vibration.
In order to solve the technical problems, the technical scheme of the utility model is to provide an integrated damping total arrangement of an EGR cooler, which comprises the EGR cooler, a cylinder cover part, a total water return pipe and an exhaust pipe, wherein the total water return pipe is connected to one side of the cylinder cover part, the EGR cooler is arranged above the total water return pipe, a damping spacer is arranged between the total water return pipe and the EGR cooler, and the exhaust pipe is connected to one side of the total water return pipe which is not connected with the cylinder cover part.
Through adopting above-mentioned technical scheme, set up EGR cooler on total wet return, can cancel the use of excessive steel sheet, reduce whole height, and set up the damping spacer between the two, reduce the vibrations that EGR received, prevent that connecting element from droing, increase reliability.
Optionally, the EGR cooler is connected with the main return pipe by using a hexagonal flange surface bolt, and the damping spacer is arranged outside the hexagonal flange surface bolt.
Optionally, the damping spacer comprises a damping sleeve and a damping spring, and the damping spring is sleeved outside the damping sleeve.
Through adopting above-mentioned technical scheme, setting up damping spring can play absorbing effect in the operation in-process, the damping moment of torsion prevents that damping sleeve from torsion.
Optionally, a spigot is arranged at one end of the damping sleeve, a counter bore is arranged on the main water return pipe, and the spigot is arranged in the counter bore, so that the mounting structure is ensured to be coaxial and not eccentric.
Optionally, an inner screw pipe is arranged at the lower end of the side surface of the main water return pipe, the inner screw pipe is cast and formed on the main water return pipe, the exhaust pipe is connected to the inner screw pipe, and a fastening bolt is arranged on the inner screw pipe.
By adopting the technical scheme, the inner coil is cast on the main return pipe, so that parts are prevented from falling off in the assembly or operation process.
Optionally, the main return pipe is connected with the cylinder cover part by bolts.
Optionally, a water inlet of the main water return pipe is connected with a water inlet steel pipe of the water pump, and an O-shaped ring is arranged at the joint.
In summary, the utility model has at least one of the following advantages:
1. The EGR cooler is arranged on the total water return pipe, so that the use of excessive steel plates can be eliminated, and the overall height is reduced.
2. And a vibration reduction spacer bush is arranged between the EGR cooler and the total water return pipe, so that vibration suffered by EGR is reduced, the connecting part is prevented from falling off, and the reliability is improved.
3. The inner spiral pipe is cast on the main water return pipe, so that the parts are prevented from falling off in the assembly or operation process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the total return pipe and the EGR cooler of the present utility model;
FIG. 3 is a schematic cross-sectional view of the vibration damping spacer of the present utility model;
FIG. 4 is a schematic view of an exhaust pipe mounting structure according to the present utility model;
In the figure: 1. an EGR cooler; 2. damping spacer bush; 3. a cylinder head member; 4. a main return pipe; 5. a damping spring; 6. hexagonal flange face bolts; 7. a water pump water inlet steel pipe; 8. a damping sleeve; 9. an exhaust pipe; 10. an inner coil; 11. and (5) fastening a bolt.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The utility model discloses an integrated damping total arrangement of an EGR cooler, which comprises an EGR cooler 1, a cylinder cover part 3, a total water return pipe 4 and an exhaust pipe 9, wherein the total water return pipe 4 is connected to one side of the cylinder cover part 3 through bolts, a safety gap is arranged between the total water return pipe 4 and the cylinder cover part 3, the EGR cooler 1 is connected above the total water return pipe 4 through a hexagonal flange face bolt 6, a damping spacer bush 2 is arranged outside the hexagonal flange face bolt 6, the exhaust pipe 9 is connected to one side of the total water return pipe 4 which is not connected with the cylinder cover part 3, an inner screw pipe 10 is arranged at the lower end of the side surface of the total water return pipe 4, the inner screw pipe 10 is cast and molded on the total water return pipe 4, the exhaust pipe 9 is connected to the inner screw pipe 10, and a fastening bolt 11 is arranged on the inner screw pipe 10.
In a further embodiment, referring to fig. 3, the shock absorbing spacer 2 includes a shock absorbing sleeve 8 and a shock absorbing spring 5, the shock absorbing spring 5 is sleeved outside the shock absorbing sleeve 8, a spigot is arranged at one end of the shock absorbing sleeve 8, a counter bore is arranged on the main return pipe 4, and the spigot is arranged in the counter bore.
According to the utility model, the total water return pipe 4 is connected to the cylinder cover part 3 through bolts, then the EGR cooler 1 is arranged on the total water return pipe 4, the shock absorbing spacer 2 is arranged between the total water return pipe 4 and the total water return pipe, the shock absorbing spacer 2 is used for attenuating the shock torque through the elastic action of the shock absorbing spring 5 in the shock absorbing spacer 2, and the shock absorbing spacer is prevented from twisting, so that the shock of the EGR cooler 1 is reduced, the connecting bolts are prevented from falling off, the reliability is improved, the inner screw pipe 10 is cast and integrated on the total water return pipe 4, and the exhaust pipe 9 is firmly connected through the fastening bolts 11, so that the number of parts can be simplified, and the problem of falling of the parts in the assembly process can be avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an integrated shock attenuation of EGR cooler always arranges, its characterized in that includes EGR cooler (1), cylinder cap part (3), total wet return (4) and blast pipe (9), total wet return (4) connect in cylinder cap part (3) one side, EGR cooler (1) are established in total wet return (4) top, and are equipped with shock attenuation spacer (2) between total wet return (4) and EGR cooler (1), blast pipe (9) are connected in total wet return (4) one side of not being connected with cylinder cap part (3).
2. The EGR cooler integrated vibration-damping aggregate arrangement according to claim 1, characterized in that the EGR cooler (1) is connected with the aggregate return pipe (4) using a hexagonal flange face bolt (6), the vibration-damping spacer (2) being provided outside the hexagonal flange face bolt (6).
3. The EGR cooler integrated damping aggregate arrangement according to claim 2, characterized in that the damping spacer (2) comprises a damping sleeve (8) and a damping spring (5), the damping spring (5) being sleeved outside the damping sleeve (8).
4. An EGR cooler integrated damping aggregate arrangement according to claim 3, characterized in that one end of the damping sleeve (8) is provided with a spigot, the aggregate return pipe (4) is provided with a counter bore, and the spigot is provided in the counter bore.
5. The EGR cooler integrated damping aggregate arrangement according to claim 1, characterized in that the lower end of the side face of the aggregate return pipe (4) is provided with an inner coil (10), the inner coil (10) is cast on the aggregate return pipe (4), the exhaust pipe (9) is connected to the inner coil (10), and the inner coil (10) is provided with a fastening bolt (11).
6. The EGR cooler integrated damping aggregate arrangement according to claim 1, characterized in that the aggregate return pipe (4) is bolted to the cylinder head part (3).
7. The EGR cooler integrated damping aggregate arrangement according to claim 1, characterized in that a water inlet of the aggregate return pipe (4) is connected with a water pump water inlet steel pipe (7), and the connection is provided with an O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322924223.4U CN220979709U (en) | 2023-10-30 | 2023-10-30 | Integrated shock attenuation of EGR cooler always arranges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322924223.4U CN220979709U (en) | 2023-10-30 | 2023-10-30 | Integrated shock attenuation of EGR cooler always arranges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979709U true CN220979709U (en) | 2024-05-17 |
Family
ID=91058428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322924223.4U Active CN220979709U (en) | 2023-10-30 | 2023-10-30 | Integrated shock attenuation of EGR cooler always arranges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979709U (en) |
-
2023
- 2023-10-30 CN CN202322924223.4U patent/CN220979709U/en active Active
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