CN217783645U - Pipeline bracket of automobile air intake system - Google Patents
Pipeline bracket of automobile air intake system Download PDFInfo
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- CN217783645U CN217783645U CN202221459679.7U CN202221459679U CN217783645U CN 217783645 U CN217783645 U CN 217783645U CN 202221459679 U CN202221459679 U CN 202221459679U CN 217783645 U CN217783645 U CN 217783645U
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- mounting surface
- mounting
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- fixing
- intake system
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Abstract
The utility model relates to a pipeline bracket of an automobile air inlet system, a bracket body comprises a first mounting surface, a second mounting surface and a third mounting surface which are mutually vertical, and a first mounting hole, a second mounting hole and a fixing bolt are arranged on one side of the first mounting surface opposite to the third mounting surface; the second mounting surface is provided with a first fixing hole and a plurality of second fixing holes positioned on the same circumference; and a third mounting hole and a third fixing hole are formed in the third mounting surface, and a welding nut is arranged at the third mounting hole. The EGR mixing valve is fixed in the air inlet pipeline through three fixing holes which are positioned on the same plane and on the same circumference by using bolt connection, and the three fixing holes are triangular, so that the connection stability is high; bolts are used for connecting with peripheral parts through three mounting holes which are distributed in a triangular shape, so that the mounting stability of the bracket can be improved; the support sets up a fixed orifices that is used for fixing air inlet pipeline part, avoids air inlet pipeline to form cantilever structure, can improve whole system pipeline natural frequency.
Description
Technical Field
The utility model relates to an engine air intake system technical field, more specifically say, relate to a car air intake system pipeline support.
Background
For a hybrid engine applying an EGR system, an EGR mixing valve needs to be arranged in an air inlet system pipeline to meet the control of the flow of fresh air in the air inlet pipeline. Meanwhile, the EGR mixing valve has small volume and heavy weight for an air inlet pipeline, and is easy to cause the natural frequency of an air inlet system to be reduced, thereby possibly causing resonance and damaging parts. Therefore, there is a need to securely fix the EGR mixer valve in the intake system line while reducing the effect on the system natural frequency.
Disclosure of Invention
An object of the utility model is to provide a car air intake system pipeline support solves the fixed problem of EGR mixing valve in the air intake system pipeline, reduces the influence to system natural frequency simultaneously.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
an automobile air intake system pipeline bracket comprises a bracket body 10:
the bracket body 10 comprises a first mounting surface 20, a second mounting surface 30 and a third mounting surface 40 which are perpendicular to each other, wherein the second mounting surface 30 and the third mounting surface 40 are arranged on two adjacent side edges of the first mounting surface 20;
a first mounting hole 21, a second mounting hole 22 and a fixing bolt 23 are arranged on one side of the first mounting surface 20 opposite to the third mounting surface 40;
the second mounting surface 30 is provided with a first fixing hole 31 and a plurality of second fixing holes 32 positioned on the same circumference;
the third mounting surface 40 is provided with a third mounting hole 41 and a third fixing hole 42, and a weld nut 43 is disposed at the third mounting hole 41.
Further, the second mounting hole 22 is a U-shaped hole slot.
Further, the side edge of the second mounting surface 30 is irregular and has the same shape with the outline curve of the EGR mixing valve.
Further, the second fixing holes 32 are three in number.
Further, the first fixing hole 31 is an oblong hole.
Further, the bracket body 10 is formed by integral punching, and a reinforcing structure 50 is arranged at the intersection of the second mounting surface 30 and the first mounting surface 20 and the intersection of the third mounting surface 40 and the first mounting surface 20.
Further, a lightening slot 24 is arranged on the first mounting surface 20.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of car air intake system pipeline support, the support body passes through the stamping process shaping, compact structure, and the space occupies for a short time:
the EGR mixing valve is fixed in the air inlet pipeline through three fixing holes which are positioned on the same plane and on the same circumference by using bolt connection, and the three fixing holes are triangular, so that the connection stability is high;
bolts are connected with peripheral parts through three mounting holes which are distributed in a triangular mode, so that the mounting stability of the support can be improved;
the bracket is provided with a fixing hole for fixing the pipeline of the air intake system, so that the pipeline of the air intake system is prevented from forming a cantilever structure, and the inherent frequency of the pipeline of the whole system can be improved;
set up the mounting hole in a U type hole groove, can be for the EGR mixing valve the utility model provides an assembly that support, air intake system pipeline constitute provides two installation directions.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a schematic structural view (a) of a pipe bracket of an automobile air intake system according to an embodiment of the present invention;
fig. 2 is a schematic structural view (ii) of a pipe bracket of an automobile air intake system according to an embodiment of the present invention;
fig. 3 is a schematic view (a) illustrating an installation of a pipe bracket and peripheral components of an air intake system of an automobile according to an embodiment of the present invention;
fig. 4 is a schematic view (ii) illustrating an installation of a pipe bracket and peripheral components of an air intake system of an automobile according to an embodiment of the present invention;
in the above figures:
10. a stent body;
20. the mounting structure comprises a first mounting surface, 21, a first mounting hole, 22, a second mounting hole, 23, a fixing bolt and 24, a weight-reducing groove;
30. a second mounting surface 31, a first fixing hole 32, a second fixing hole;
40. a third mounting surface, 41, a third mounting hole, 42, a third fixing hole and 43, and a nut is welded;
50. the structure comprises a reinforcing structure, 51 reinforcing ribs and 52 flanging;
60. an air filter support;
70. an air intake system conduit;
an EGR mixing valve;
90. a transition support.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the present invention is made with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present embodiment provides a bracket for a pipe of an air intake system of an automobile, including a bracket body 10:
the bracket body 10 comprises a first mounting surface 20, a second mounting surface 30 and a third mounting surface 40 which are perpendicular to each other; the second mounting surface 30 and the third mounting surface 40 are arranged on two adjacent side edges of the first mounting surface 20;
the bracket body 10 is formed by integral punching, a reinforcing structure 50 is arranged at the intersection of the second mounting surface 30, the third mounting surface 40 and the first mounting surface 20, and the reinforcing structure 50 comprises a reinforcing rib 51 and a flanging 52 structure at the intersection;
the first mounting surface 20 is also provided with a lightening slot 24.
The second mounting surface 30 is provided with a first fixing hole 31 and a plurality of second fixing holes 32 located on the same circumference:
in this embodiment, the second fixing holes 32 are circular holes, the number of the second fixing holes is three, the second fixing holes are used for fixing the EGR mixing valve 80, the EGR mixing valve 80 is fixed on the intake system pipeline 70 through four bolts, three bolts penetrate through the three second fixing holes 32, after the fixing is firm, the side edge of the second mounting surface 30 is set to be in an irregular shape the same as the shape curve of the EGR mixing valve 80, the second mounting surface 30 can play a supporting role, and the requirement of fixing stability can be met because the three second fixing holes 32 are located on the same circumference to form a triangle. The size and position of the three second fixing holes 32 are adjustable according to the position of the through hole in the EGR mixing valve 80.
In this embodiment, the first fixing hole 31 is an oblong hole serving as a harness fixing hole, and the harness is fixed by a harness clip, and the size and the position of the first fixing hole 31 can be adjusted according to the arrangement of the nacelle.
The EGR mixer valve 80 is fixed to the intake system pipe 70, and then the subsequent component mounting is performed.
A first mounting hole 21, a second mounting hole 22 and a fixing bolt 23 are arranged on the first mounting surface 20 on the side opposite to the third mounting surface 40, and the fixing bolt 23 is welded with the bracket body 10 through a projection welding process;
a third mounting hole 41 and a third fixing hole 42 are formed in the third mounting surface 40, a welding nut 43 is arranged at the third mounting hole 41, and the welding nut 43 is welded with the bracket body 10 through a projection welding process;
in this embodiment, the third fixing hole 42 is an oblong hole, and is used to directly connect the intake system pipeline 70 with the bracket body 10 through a bolt, so as to prevent the intake system pipeline 70 from forming a cantilever structure after the EGR mixing valve 80 is fixed to the intake system pipeline 70 through the bracket body 10, which affects the strength of the bracket body 10 and the natural frequency of the system. The size and position of the third fixing hole 42 can be adjusted to meet the strength and system natural frequency requirements of the stent body 10.
The first mounting hole 21, the second mounting hole 22 and the third mounting hole 41 are used for mounting the bracket body 10 on peripheral parts, and in order to ensure the mounting stability of the bracket body 10, the first mounting hole 21, the second mounting hole 22 and the third mounting hole 41 are distributed in a triangular shape;
the first mounting hole 21 and the second mounting hole 22 are used for connecting with the air filter bracket 60, in this embodiment, the second mounting hole 22 is a U-shaped hole slot, which can provide two mounting directions for the assembly formed by the bracket body 10, the EGR mixing valve 80 and the intake system pipeline 70: the direction perpendicular to the first installation surface 20 and the axial direction along the air inlet system pipeline 70 can be flexibly adjusted according to the requirements of an assembly process, and the size and the position of the second installation hole 22 can be adjusted according to the arrangement of a cabin;
the first mounting hole 21 is a circular hole, the circular hole is directly connected with the air filter bracket 60 through a bolt, and the size and the position of the first mounting hole 21 can be adjusted according to the arrangement of the engine room;
the third mounting hole 41 is a circular hole, and is used for connecting with a peripheral part below the air intake system pipeline 70, in this embodiment, for convenience of installation, the third mounting hole 41 is connected with a connection hole of the peripheral part below the air intake system pipeline 70 through an L-shaped transition bracket 90;
the fixing bolt 23 is used for fixing the fuel pipeline through a double-pipe clamp, and the position of the fixing bolt 23 can be adjusted according to the arrangement of the engine room.
The EGR mixing valve 80 is fixed on the air intake system pipeline 70 by using the pipeline bracket of the air intake system of the automobile provided by the embodiment, the natural frequency of the whole air intake system is calculated, and the result is shown in the table 1. It can be seen that the first-order natural frequency of the system is greater than 1.2 times of the idle vibration frequency of the engine (the idle vibration frequency of the engine is 26.6 Hz), and the requirement is met. When the third fixing hole 42 is not added as a fixing hole of the intake system pipe 70, the first-order natural frequency of the system is almost equal to the idle vibration frequency of the engine.
TABLE 1 calculation of natural frequency of intake system
| Modality | Calculation results (Hz) |
| First order | 37.259 |
| Second order | 47.839 |
| Third order | 49.478 |
| Fourth order | 53.833 |
| Fifth order | 54.010 |
| Sixth order | 55.618 |
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an automobile air intake system pipeline support, includes support body (10), its characterized in that:
the bracket body (10) comprises a first mounting surface (20), a second mounting surface (30) and a third mounting surface (40) which are perpendicular to each other, wherein the second mounting surface (30) and the third mounting surface (40) are arranged on two adjacent side edges of the first mounting surface (20);
a first mounting hole (21), a second mounting hole (22) and a fixing bolt (23) are formed in one side, opposite to the third mounting surface (40), of the first mounting surface (20);
the second mounting surface (30) is provided with a first fixing hole (31) and a plurality of second fixing holes (32) which are positioned on the same circumference;
and a third mounting hole (41) and a third fixing hole (42) are formed in the third mounting surface (40), and a welding nut (43) is arranged at the third mounting hole (41).
2. The bracket of claim 1, wherein the second mounting hole (22) is a U-shaped hole groove.
3. The vehicle air intake system pipe bracket according to claim 1, wherein the side of the second mounting surface (30) is irregular and has the same shape as the outline curve of the EGR mixing valve.
4. The vehicle intake system pipe bracket according to claim 1, wherein the second fixing holes (32) are three in number.
5. The vehicle air intake system pipe bracket according to claim 1, wherein the first fixing hole (31) is an oblong hole.
6. The automobile air intake system pipeline bracket as claimed in claim 1, wherein the bracket body (10) is formed by stamping in an integrated manner, and reinforcing structures (50) are arranged at the intersections of the second mounting surface (30) and the third mounting surface (40) and the first mounting surface (20).
7. The vehicle air intake system pipe bracket of claim 1, wherein the first mounting surface (20) is provided with a weight reduction groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459679.7U CN217783645U (en) | 2022-06-13 | 2022-06-13 | Pipeline bracket of automobile air intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221459679.7U CN217783645U (en) | 2022-06-13 | 2022-06-13 | Pipeline bracket of automobile air intake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783645U true CN217783645U (en) | 2022-11-11 |
Family
ID=83933942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221459679.7U Active CN217783645U (en) | 2022-06-13 | 2022-06-13 | Pipeline bracket of automobile air intake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783645U (en) |
-
2022
- 2022-06-13 CN CN202221459679.7U patent/CN217783645U/en active Active
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