CN220101883U - Leaf spring assembly and mounting structure thereof - Google Patents
Leaf spring assembly and mounting structure thereof Download PDFInfo
- Publication number
- CN220101883U CN220101883U CN202223493717.3U CN202223493717U CN220101883U CN 220101883 U CN220101883 U CN 220101883U CN 202223493717 U CN202223493717 U CN 202223493717U CN 220101883 U CN220101883 U CN 220101883U
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- Prior art keywords
- reed
- leaf spring
- lug
- section
- rolling
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 118
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 38
- 239000004636 vulcanized rubber Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 14
- 239000003381 stabilizer Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a leaf spring assembly and an installation structure thereof, comprising a first reed and a second reed; according to the utility model, a 2-piece type asymmetric structure is adopted by the leaf spring assembly, the first reed adopts a half-piece design, the first reed has larger thickness and larger rigidity and mainly plays roles of guiding, bearing longitudinal force and vertical force, and the second reed adopts a full-piece design and has smaller rigidity and mainly plays a role of resisting side tilting; the leaf spring assembly is installed in the front composite air suspension, the first reed plays a main role when resisting longitudinal force, the second reed plays a main role when resisting side tilting, the leaf spring assembly bears less vertical load in the front composite air suspension system, the air spring bearing proportion is improved, compared with the traditional front air suspension, the transverse thrust rod, the transverse pulling plate and the transverse stabilizer rod are reduced, unsprung mass is small, stress of the leaf spring is small, and reliability is strong.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a leaf spring assembly and an installation structure thereof.
Background
With the application of the front air suspension of the commercial vehicle, various structures are applied, so that the problems of difficult arrangement of the transverse thrust rod, difficult arrangement of the engine and the like are solved, and the front air suspension has enough strength and reliability, and therefore, the leaf spring assembly and the mounting structure thereof are designed, and the front air suspension is applied to the front composite air suspension, and plays important roles of supporting, guiding, transmitting force, resisting rolling and the like.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a leaf spring assembly and a mounting structure thereof, which are applied to a front composite air suspension of a commercial vehicle, compared with the traditional front air suspension, a transverse thrust rod, a transverse pulling plate and a transverse stabilizer rod are omitted, the unsprung mass of the system is greatly reduced, the inter-leaf abrasion is avoided, the important functions of supporting, guiding, transmitting force, resisting side tilting and the like are achieved, and the leaf spring assembly is light in weight, small in stress and strong in reliability.
The utility model is realized by adopting the following technical scheme:
a leaf spring assembly and its mounting structure, including the first reed, second reed;
the first reed adopts a half-piece structure and is of an asymmetric structure; the front end of the first reed is coiled to form a first front coiled lug;
the second reed adopts a full-sheet structure and is of an asymmetric structure; the front end of the second reed is coiled to form a second front coiled lug, and the rear end of the second reed is coiled to form a second rear coiled lug;
the first front rolling lug of the first reed is arranged in the second front rolling lug of the second reed, and the rear section of the first reed is connected with the middle section of the second reed through bolts.
Preferably, the first front rolling lug of the first reed is of a full-wrapping lug structure; the first reed rear section comprises a first straight section and a rear end part; the first straight section is of a constant thickness cross-section structure, and the thickness from the first straight section to the rear end part is gradually reduced.
Preferably, the second front rolling lug of the second reed is in a quarter three-wrapping lug structure, and the second rear rolling lug of the second reed is in a full-wrapping lug structure; the middle section of the second reed is a second straight section and is of a constant-thickness cross-section structure; the front section chord length of the second reed is smaller than the rear section chord length of the second reed.
Preferably, the overall thickness of the first reed is greater than the overall thickness of the second reed.
Preferably, the first front rolling lug of the first reed, the second front rolling lug of the second reed and the second rear rolling lug are all upper rolling lugs, and vulcanized rubber compound bushings are adopted inside the upper rolling lugs.
Preferably, a backing plate is respectively arranged on the upper surface of the first reed, and between the first reed and the second reed.
Preferably, a leaf spring U-shaped clip is arranged between the front section of the first reed and the front section of the second reed.
The mounting structure of the leaf spring assembly comprises the leaf spring assembly, and further comprises a front extension beam, a leaf spring connecting plate, a leaf spring bracket, a U-shaped bolt, a steering shaft assembly, a leaf spring pressing plate and a rear air spring;
the second front rolling lug of the second reed is connected with the front extending beam through a bolt, the second rear rolling lug of the second reed is connected with the plate spring support through a plate spring connecting plate, two U-shaped bolts are arranged on the outer sides of the rear section of the first reed and the middle section of the second reed, and the plate spring pressing plate is connected with the steering shaft assembly through the U-shaped bolts.
Preferably, the length of the rear section of the first reed is the same as the length of the leaf spring pressing plate.
Preferably, the rear end portion of the first reed is located directly below the center position of the rear air spring.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, a 2-piece type asymmetric structure is adopted by the leaf spring assembly, the first reed adopts a half-piece design, the first reed has larger thickness and larger rigidity and mainly plays roles of guiding, bearing longitudinal force and vertical force, and the second reed adopts a full-piece design and has smaller rigidity and mainly plays a role of resisting side tilting; the leaf spring assembly is installed in the front composite air suspension, the first reed plays a main role when resisting longitudinal force, the second reed plays a main role when resisting side tilting, the leaf spring assembly bears less vertical load in the front composite air suspension system, the air spring bearing proportion is improved, compared with the traditional front air suspension, the transverse thrust rod, the transverse pulling plate and the transverse stabilizer rod are reduced, unsprung mass is small, stress of the leaf spring is small, and reliability is strong.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a leaf spring assembly of the present utility model;
FIG. 2 is a schematic view of the leaf spring assembly of the present utility model.
Reference numerals illustrate:
1. a first reed; 2. a second reed; 3. a leaf spring U-shaped clip; 4. a front extension beam; 5. a leaf spring connecting plate; 6. a leaf spring support; 7. u-shaped bolts; 8. a steering shaft assembly; 9. a leaf spring pressure plate; 10. and a rear air spring.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1: a leaf spring assembly, the leaf spring assembly has a certain arc height, is used for adjusting the suspension posture, the leaf spring assembly comprises a first reed 1 and a second reed 2;
the first reed 1 adopts a half-sheet structure, and the front end of the first reed 1 is coiled to form a first front coiled lug;
the second reed 2 adopts a full-sheet structure and is of an asymmetric structure; the front end of the second reed 2 is coiled to form a second front coiled lug, and the rear end is coiled to form a second rear coiled lug;
the first front rolling lug of the first reed 1 is arranged in the second front rolling lug of the second reed 2, and the rear section of the first reed 1 is connected with the middle section of the second reed 2 through bolts; preferably a centre bolt;
specifically, the first front rolling lug of the first reed 1 is of a full-wrapping lug structure; the front section of the front first reed 1 is of a variable cross-section structure; the rear section of the first reed 1 comprises a first straight section and a rear end part; the first straight section is of a constant-thickness cross-section structure, and the thickness from the first straight section to the rear end part is gradually reduced; avoiding interference with the second reed 2 during movement;
specifically, the second front rolling lug of the second reed 2 is in a quarter three-wrapping lug structure, and the second rear rolling lug of the second reed 2 is in a full-wrapping lug structure; the middle section of the second reed 2 is a straight section and has a constant thickness cross-section structure; the rest is a variable cross-section structure, the front section has a short chord length, and the rear section has a long chord length.
Specifically, the first reed 1 is thicker in overall and larger in rigidity, and the first reed 1 is thicker in thickness and larger in rigidity, and mainly plays roles of guiding, bearing longitudinal force and vertical force; the second reed 2 has a smaller overall thickness and a smaller stiffness and mainly plays an anti-roll role.
Specifically, the first front rolling lug of the first reed 1, the second front rolling lug of the second reed 2 and the second rear rolling lug are all upper rolling lugs, and vulcanized rubber compound bushings are adopted inside the upper rolling lugs.
Specifically, the upper surface of the first reed 1, the first reed 1 and the second reed are respectively provided with a base plate, the base plates, the first reed 1 and the second reed 2 are connected through a central bolt, and the head of the central bolt is of a cylindrical structure and plays a role of a positioning pin;
specifically, a plate spring U-shaped clamp 3 is arranged between the front section of the first reed 1 and the front section of the second reed 2, the plate spring U-shaped clamp 3 connects the first reed 1 with the second reed 2 together, and the opening end of the plate spring U-shaped clamp 3 is connected by a bolt;
as shown in fig. 1-2: the mounting structure of the leaf spring assembly comprises a leaf spring assembly, and further comprises a front extension beam 4, a leaf spring connecting plate 5, a leaf spring bracket 6, a U-shaped bolt 7, a steering shaft assembly 8, a leaf spring pressing plate 9 and a rear air spring 10;
specifically, the second front rolling lug of the second reed 2 is connected with the front extending beam 4 through a bolt, the second rear rolling lug of the second reed 2 is connected with the plate spring bracket 6 through the plate spring connecting plate 5, two bolt holes are arranged on the plate spring connecting plate 5, one bolt hole is connected with the second rear rolling lug of the second reed 2 through a bolt, and the other bolt hole is connected with the plate spring bracket 6 through a bolt; two U-shaped bolts 7 are arranged on the outer sides of the rear section of the first reed 1 and the middle section of the second reed 2, and a steel plate spring pressing plate 9 is connected with a steering shaft assembly 8 through the U-shaped bolts 7; compared with the traditional front air suspension, the transverse thrust rod, the transverse pull plate and the transverse stabilizer rod are omitted, so that unsprung mass of the system is greatly reduced;
specifically, the length of the rear section of the first reed 1 is the same as that of the leaf spring pressing plate 9, and the rear end of the first reed 1 is located right below the center position of the rear air spring 10 to provide support for the air spring.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (2)
1. A leaf spring assembly, which is characterized by comprising a first reed (1) and a second reed (2);
the first reed (1) adopts a half-piece structure and is of an asymmetric structure; the front end of the first reed (1) is coiled to form a first front coiled lug;
the second reed (2) adopts a full-sheet structure and is of an asymmetric structure; the front end of the second reed (2) is coiled to form a second front coiled lug, and the rear end of the second reed is coiled to form a second rear coiled lug;
the first front rolling lug of the first reed (1) is arranged in the second front rolling lug of the second reed (2), and the rear section of the first reed (1) is connected with the middle section of the second reed (2) through bolts;
the first front rolling lug of the first reed (1) is of a full-wrapping lug structure; the rear section of the first reed (1) comprises a first straight section and a rear end part; the first straight section is of a constant-thickness cross-section structure, and the thickness from the first straight section to the rear end part is gradually reduced;
the second front rolling lug of the second reed (2) is of a quarter three-wrapping-lug structure, and the second rear rolling lug of the second reed (2) is of a full-wrapping-lug structure; the middle section of the second reed (2) is a second straight section and is of a constant-thickness section structure; the front chord length of the second reed (2) is smaller than the rear chord length of the second reed (2);
the overall thickness of the first reed (1) is larger than that of the second reed (2);
the first front rolling lug of the first reed (1), the second front rolling lug of the second reed (2) and the second rear rolling lug are both upper rolling lugs, and vulcanized rubber composite bushings are adopted in the upper rolling lugs;
backing plates are respectively arranged on the upper surface of the first reed (1) and between the first reed (1) and the second reed;
a leaf spring U-shaped clip (3) is arranged between the front section of the first reed (1) and the front section of the second reed (2).
2. The mounting structure of the leaf spring assembly is characterized by comprising the leaf spring assembly according to claim 1, and further comprising a front extension beam (4), a leaf spring connecting plate (5), a leaf spring bracket (6), a U-shaped bolt (7), a steering shaft assembly (8), a leaf spring pressing plate (9) and a rear air spring (10);
the second front rolling lug of the second reed (2) is connected with the front extending beam (4) through a bolt, the second rear rolling lug of the second reed (2) is connected with the plate spring support (6) through a plate spring connecting plate (5), two U-shaped bolts (7) are arranged on the outer sides of the rear section of the first reed (1) and the middle section of the second reed (2), and the plate spring pressing plate (9) is connected with the steering shaft assembly (8) through the U-shaped bolts (7); the length of the rear section of the first reed (1) is the same as the length of the steel plate spring pressing plate (9); the rear end part of the first reed (1) is positioned right below the center position of the rear air spring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493717.3U CN220101883U (en) | 2022-12-27 | 2022-12-27 | Leaf spring assembly and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493717.3U CN220101883U (en) | 2022-12-27 | 2022-12-27 | Leaf spring assembly and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101883U true CN220101883U (en) | 2023-11-28 |
Family
ID=88841108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223493717.3U Active CN220101883U (en) | 2022-12-27 | 2022-12-27 | Leaf spring assembly and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101883U (en) |
-
2022
- 2022-12-27 CN CN202223493717.3U patent/CN220101883U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |