CN217099587U - Lightweight guide arm and guide arm air spring assembly - Google Patents
Lightweight guide arm and guide arm air spring assembly Download PDFInfo
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- CN217099587U CN217099587U CN202221187032.3U CN202221187032U CN217099587U CN 217099587 U CN217099587 U CN 217099587U CN 202221187032 U CN202221187032 U CN 202221187032U CN 217099587 U CN217099587 U CN 217099587U
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- connecting portion
- air spring
- guide arm
- mounting
- lightweight
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Abstract
The utility model relates to a lightweight guide arm and guide arm air spring assembly, wherein around the fixed part of lightweight guide arm both ends respectively with first connecting portion and second connecting portion integrated into one piece, the one end and the installation department integrated into one piece of fixed part are kept away from to first connecting portion, the one end and the book ear integrated into one piece of fixed part are kept away from to the second connecting portion, the left surface of fixed part is parallel or the coincidence with the left surface of first connecting portion, the right flank of fixed part is parallel or the coincidence with the right flank of first connecting portion, the left surface of installation department is greater than 0 degree and is less than 90 degrees with the contained angle of the left surface of first connecting portion, the right flank of installation department is greater than 0 degree and is less than 90 degrees with the contained angle of the right flank of first connecting portion. The utility model discloses the installation department of buckling extends to the focus below of air spring directly fixed with air spring to need not use the biasing steel sheet, make the atress of lightweight guiding arm more even, reduced the requirement to lightweight guiding arm torsional strength, and then reduced the material quantity and the weight of lightweight guiding arm.
Description
Technical Field
The utility model belongs to the technical field of the vehicle suspension and specifically relates to a lightweight leading arm and leading arm air spring assembly.
Background
Due to the frame design of existing vehicles, there is a distance between the mounting plate of the existing guide arm (as shown in fig. 8) and the center of gravity of the suspended resilient member (e.g., air spring). This requires a biasing steel plate to be provided between the mounting plate and the elastic member, and the mounting plate and the elastic member are fixed by the biasing steel plate. The uneven stress of the guide arm is caused by the offset steel plate, and meanwhile, the weight of the suspension assembly is increased by the offset steel plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a lightweight guiding arm, solved the uneven, great problem of weight of current guiding arm atress.
A lightweight guide arm comprising: fixed part, first connecting portion, installation department, second connecting portion and grasswort, both ends respectively with first connecting portion and second connecting portion integrated into one piece around the fixed part, the one end and the installation department integrated into one piece of fixed part are kept away from to first connecting portion, the one end and the grasswort integrated into one piece of fixed part are kept away from to the second connecting portion, the left surface of fixed part is parallel or the coincidence with the left surface of first connecting portion, the right flank of fixed part is parallel or the coincidence with the right flank of first connecting portion, the left surface of installation department is greater than 0 degree and is less than 90 degrees with the contained angle of the left surface of first connecting portion, the right flank of installation department is greater than 0 degree and is less than 90 degrees with the contained angle of the right surface of first connecting portion.
Further, the left surface and the right surface of fixed part are parallel, the left surface and the right surface of first connecting portion are parallel, the left surface and the right surface of installation department are parallel.
Further, be formed with the arc surface that is used for the transition between the left surface of the left side of first connecting portion and the left surface of installation department, be formed with the arc surface that is used for the transition between the right flank of first connecting portion and the right flank of installation department.
Furthermore, a positioning blind hole is formed below the fixing part, and a mounting hole penetrating through the mounting part is formed in the mounting part.
Further, one end, far away from the fixing portion, of the first connecting portion is inclined downwards.
Further, the thickness of the mounting part in the direction away from the first connecting part is gradually reduced.
A pilot arm air spring assembly using a lightweight pilot arm, further comprising: the gravity center of the air spring is positioned above the mounting part, and the air spring is fixedly connected with the mounting part.
The air spring is characterized by further comprising a screw, a fixing plate is formed below the air spring, a threaded hole is formed in the fixing plate, the screw penetrates through the mounting hole and then is in threaded connection with the threaded hole, and the mounting hole is a stepped hole; the gravity center of the air spring is positioned above the midpoint of the connecting line of the two mounting holes; the fixed plate is attached to the upper surface of the mounting part.
Further, still include the protection shield, the protection shield both ends are fixed with the fixed part respectively, the protection shield suit is in the outside of second connecting portion and book ear and with second connecting portion and the contact of book ear, the protection shield below is formed with the through-hole that is linked together with the location blind hole, the protection shield top is formed with the arch.
The utility model has the advantages of as follows: the bent installation part extends to the lower part of the gravity center of the air spring and is directly fixed with the air spring, so that a bias steel plate is not needed, the stress of the light guide arm is more uniform, the service life of the light guide arm is prolonged, the requirement on the torsional strength of the light guide arm is reduced, and the material consumption and the weight of the light guide arm are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: a schematic top view structure diagram of the first embodiment;
FIG. 2: a schematic cross-sectional structure of the ladder at A-A;
FIG. 3: a first schematic perspective view of the first embodiment;
FIG. 4: the second embodiment is a schematic three-dimensional structure;
FIG. 5: a schematic top view structure diagram of the second embodiment;
FIG. 6: a schematic cross-sectional structure of the ladder at B-B;
FIG. 7: the second embodiment is a schematic three-dimensional structure;
FIG. 8: a schematic perspective structure of the prior art;
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 4, the present embodiment provides a light-weight guide arm including: fixed part 11, first connecting portion 12, installation department 13, second connecting portion 14 and book ear 15, both ends respectively with first connecting portion 12 and second connecting portion 14 integrated into one piece around fixed part 11, fixed part 11 was kept away from to first connecting portion 12 one end and installation department 13 integrated into one piece, fixed part 11 was kept away from to second connecting portion 14 one end and book ear 15 integrated into one piece, fixed part 11's left surface is parallel or the coincidence with the left surface of first connecting portion 12, fixed part 11's right surface is parallel or the coincidence with the right surface of first connecting portion 12, the contained angle of the left surface of installation department 13 and the left surface of first connecting portion 12 is greater than 0 degree and is less than 90 degrees, the contained angle of the right surface of installation department 13 and the right surface of first connecting portion 12 is greater than 0 degree and is less than 90 degrees.
Further, the left and right sides of the fixing portion 11 are parallel, the left and right sides of the first connecting portion 12 are parallel, and the left and right sides of the mounting portion 13 are parallel.
Further, an arc surface for transition is formed between the left side surface of the first connecting portion 12 and the left side surface of the mounting portion 13, and an arc surface for transition is formed between the right side surface of the first connecting portion 12 and the right side surface of the mounting portion 13.
Further, a positioning blind hole 111 is formed below the fixing portion 11, and a mounting hole 131 penetrating through the mounting portion 13 is formed in the mounting portion 13.
Further, an end of the first connecting portion 12 away from the fixing portion 11 is inclined downward.
Further, the thickness of the mounting portion 13 in a direction away from the first connecting portion 12 is gradually reduced.
The structure principle is as follows:
the lightweight guide arm adopts location blind hole 111, more is favorable to the drawing of patterns when casting.
The installation part 13 bent relative to the fixing part 11 and the first connecting part 12 can extend to the lower part of the gravity center of the elastic element to be directly fixed with the elastic element, so that the installation part 13 and the elastic element are not required to be fixed by using a bias steel plate, the stress of the light-weight guide arm is more uniform, the service life of the light-weight guide arm is prolonged, the requirement on the torsional strength of the light-weight guide arm is reduced, and the material consumption and the weight of the light-weight guide arm can be reduced.
Example two:
as shown in fig. 1 to 7, the present embodiment provides a pilot arm air spring assembly using a lightweight pilot arm according to the first embodiment, further including: and the gravity center of the air spring 2 is positioned above the mounting part 13, and the air spring 2 is fixedly connected with the mounting part 13.
Further, the air spring further comprises a screw 3, a fixing plate 21 is formed below the air spring 2, a threaded hole 211 is formed in the fixing plate 21, the screw 3 penetrates through the mounting hole 131 and then is in threaded connection with the threaded hole 211, and the mounting hole 131 is a stepped hole.
Preferably, the center of gravity of the air spring 2 is located above the midpoint of the line connecting the two mounting holes 131.
Preferably, the fixing plate 21 is attached to the upper surface of the mounting portion 13.
Further, the protection plate device further comprises a protection plate 4, two ends of the protection plate 4 are respectively fixed to the fixing portion 11, the protection plate 4 is sleeved on the outer sides of the second connecting portion 14 and the rolling lug 15 and is in contact with the second connecting portion 14 and the rolling lug 15, a through hole 42 communicated with the positioning blind hole 111 is formed below the protection plate 4, and a protrusion 41 is formed above the protection plate 4.
The working principle is as follows:
when the air spring 2 is installed, the upper end is fixed with the frame, and the lower end is fixed with the installation part 13. The force of the air spring 2 is transmitted to the fixing portion 11 and the first connecting portion 12 through the mounting portion 13. And a biasing steel plate is not needed between the air spring 2 and the mounting part 13 to transfer force, so that the stress of the mounting part 13 is more uniform, and the requirement of frequently replacing the biasing steel plate deformed by stress is avoided.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (9)
1. A lightweight guide arm, comprising: a fixed part (11), a first connecting part (12), a mounting part (13), a second connecting part (14) and a lug (15), the front end and the rear end of the fixing part (11) are respectively integrated with the first connecting part (12) and the second connecting part (14), one end of the first connecting part (12) far away from the fixing part (11) is integrally formed with the mounting part (13), one end of the second connecting part (14) far away from the fixing part (11) is integrally formed with the rolling lug (15), the left side surface of the fixing part (11) is parallel to or overlapped with the left side surface of the first connecting part (12), the right side surface of the fixing part (11) is parallel to or overlapped with the right side surface of the first connecting part (12), the included angle between the left side surface of the mounting part (13) and the left side surface of the first connecting part (12) is more than 0 degree and less than 90 degrees, the right flank of installation department (13) and the contained angle of the right flank of first connecting portion (12) are greater than 0 degree and are less than 90 degrees.
2. A lightweight guide arm according to claim 1, wherein: the left surface and the right surface of fixed part (11) are parallel, the left surface and the right surface of first connecting portion (12) are parallel, the left surface and the right surface of installation department (13) are parallel.
3. A lightweight guide arm according to claim 2, wherein: be formed with the arc surface that is used for the transition between the left surface of first connecting portion (12) and the left surface of installation department (13), be formed with the arc surface that is used for the transition between the right flank of first connecting portion (12) and the right flank of installation department (13).
4. A lightweight guide arm according to claim 1, wherein: a positioning blind hole (111) is formed below the fixing portion (11), and a mounting hole (131) penetrating through the mounting portion (13) is formed in the mounting portion (13).
5. A lightweight guide arm according to claim 1, wherein: one end of the first connecting part (12) far away from the fixing part (11) inclines downwards.
6. The light weight guide arm of claim 5, wherein: the thickness of the mounting part (13) in the direction away from the first connecting part (12) is gradually reduced.
7. A pilot arm air spring assembly using the lightweight pilot arm of any one of claims 1-6, further comprising: air spring (2), the focus of air spring (2) is located installation department (13) top, air spring (2) and installation department (13) fixed connection.
8. The pilot arm air spring assembly of claim 7, wherein: the air spring fixing device is characterized by further comprising a screw (3), a fixing plate (21) is formed below the air spring (2), a threaded hole (211) is formed in the fixing plate (21), the screw (3) penetrates through the mounting hole (131) and then is in threaded connection with the threaded hole (211), and the mounting hole (131) is a stepped hole; the gravity center of the air spring (2) is positioned above the midpoint of the connecting line of the two mounting holes (131); the fixing plate (21) is attached to the upper surface of the mounting part (13).
9. The pilot arm air spring assembly of claim 7, wherein: still include protection shield (4), protection shield (4) both ends are fixed with fixed part (11) respectively, protection shield (4) suit is in the outside of second connecting portion (14) and book ear (15) and contact with second connecting portion (14) and book ear (15), protection shield (4) below is formed with through-hole (42) that are linked together with location blind hole (111), protection shield (4) top is formed with arch (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187032.3U CN217099587U (en) | 2022-05-17 | 2022-05-17 | Lightweight guide arm and guide arm air spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187032.3U CN217099587U (en) | 2022-05-17 | 2022-05-17 | Lightweight guide arm and guide arm air spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217099587U true CN217099587U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187032.3U Active CN217099587U (en) | 2022-05-17 | 2022-05-17 | Lightweight guide arm and guide arm air spring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217099587U (en) |
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2022
- 2022-05-17 CN CN202221187032.3U patent/CN217099587U/en active Active
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