CN210502150U - Leaf spring suspension of adjustable rigidity - Google Patents
Leaf spring suspension of adjustable rigidity Download PDFInfo
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- CN210502150U CN210502150U CN201921336743.0U CN201921336743U CN210502150U CN 210502150 U CN210502150 U CN 210502150U CN 201921336743 U CN201921336743 U CN 201921336743U CN 210502150 U CN210502150 U CN 210502150U
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- leaf spring
- swing arm
- clamping block
- arm mechanism
- plate spring
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Abstract
The utility model provides a leaf spring suspension of adjustable rigidity relates to automotive suspension technical field. Wherein, this kind of leaf spring suspension contains the sub vehicle frame, connects respectively in the first swing arm mechanism and the second swing arm mechanism of sub vehicle frame to and the leaf spring mechanism that both ends are connected respectively in first swing arm mechanism and second swing arm mechanism, leaf spring mechanism includes: the two ends of the plate spring are respectively connected with the first swing arm mechanism and the second swing arm mechanism; a pair of clamping assemblies respectively clamped to the leaf springs; the clamping assembly is provided with an upper clamping block supported on the upper surface of the plate spring and a lower clamping block attached to the lower surface of the plate spring; a cross beam; which is supported on the upper clamping block; the lower clamping block is locked with the cross beam; the clamping assembly is movable along the length of the leaf spring to adjust the clamping position of the clamping assembly to vary the stiffness of the leaf spring. The plate spring suspension has good universality, can adjust the rigidity of the plate spring without replacing parts matched with the plate spring in the suspension, and has good practical significance.
Description
Technical Field
The utility model relates to an automotive suspension field particularly, relates to a leaf spring suspension of adjustable rigidity.
Background
At present, compared with the traditional Macpherson suspension and the torsion bar spring suspension, the transverse plate spring suspension occupies small space and is convenient for suspension arrangement; meanwhile, the non-metal material is used, so that the weight of the suspension can be reduced; the energy density of the plate spring is larger, and the bearing capacity of the suspension is improved. The transverse plate spring transversely penetrates between the left swing arm, the right swing arm and the auxiliary frame, and the structure is compact. If the suspension stiffness needs to be changed, the thickness of the plate spring needs to be changed, parts matched with the plate spring need to be changed at the same time, and the whole suspension structure is equivalent to redesign, so that the engineering quantity is large, and the cost is high. Therefore, the universality of the plate spring is improved, the rigidity of the plate spring can be adjusted without replacing parts matched with the plate spring in the suspension, and the practical significance is good. In view of the above, the inventors of the present invention have made a study of the prior art and then have made the present application.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leaf spring suspension of adjustable rigidity aims at improving the poor problem of commonality that improves the leaf spring.
In order to solve the technical problem, the utility model provides a but plate spring suspension of rigidity regulation, it contain the sub vehicle frame, connect respectively in the first swing arm mechanism and the second swing arm mechanism of sub vehicle frame to and both ends connect respectively in first swing arm mechanism with the plate spring mechanism of second swing arm mechanism, plate spring mechanism includes:
the two ends of the plate spring are respectively connected with the first swing arm mechanism and the second swing arm mechanism;
a pair of clamping assemblies respectively clamped to the leaf springs; the clamping assembly is provided with an upper clamping block supported on the upper surface of the plate spring and a lower clamping block attached to the lower surface of the plate spring;
a cross beam; which is supported by the upper clamping block; the lower clamping block is locked on the cross beam;
the clamping assembly is movable along a length of the leaf spring to adjust a clamping position of the clamping assembly to vary a stiffness of the leaf spring.
As a further optimization, the cross beam is provided with a plurality of first positioning holes and a plurality of first mounting holes, and the first positioning holes correspond to the first mounting holes one to one; the upper clamping block is provided with a first positioning bulge matched with the first positioning hole, and the lower clamping block is provided with a second mounting hole matched with the first mounting hole.
As a further optimization, the upper clamping block and the lower clamping block are made of elastic materials which can absorb shock and increase friction force; the lower clamping block is provided with a second positioning bulge and is movably provided with a supporting plate; the supporting plate is provided with a second positioning hole matched with the second positioning bulge and a third mounting hole matched with the first mounting hole.
As a further refinement, the upper clamping block has a clamping projection.
As a further optimization, the connection part of the plate spring and the first swing arm mechanism and the second swing arm mechanism is provided with an elastic cushion block.
By adopting the technical scheme, the utility model discloses can gain following technological effect: the plate spring suspension of the utility model can adjust the rigidity of the plate spring without replacing any parts; specifically, a pair of clamping assemblies are respectively arranged on the cross beam and respectively clamped on the plate spring, so that the plate spring is divided into a middle section without damping effect and side sections with damping effect at two ends; the clamping assembly can move along the plate spring, so that the length of the side section is changed, and the rigidity of the plate spring is changed; the utility model discloses a leaf spring suspension need not to change any part, can make the leaf spring have different rigidity, has realized the universalization of leaf spring to and the modularization of leaf spring suspension, improved the commonality of leaf spring greatly.
Different motorcycle types also have different requirements to leaf spring rigidity, the utility model discloses a leaf spring suspension structure can make the leaf spring of same model install in different motorcycle types, and the homoenergetic satisfies the requirement of different motorcycle types to leaf spring rigidity, has improved the commonality of leaf spring greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a leaf spring suspension according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a leaf spring mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an upper clamping block according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a lower clamping block and a supporting plate according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a leaf spring suspension according to an embodiment of the present invention (the housing at the connection between the leaf spring and the swing arm assembly is hidden);
the labels in the figure are: 1-a cross beam; 2-a plate spring; 3-a clamping assembly; 4-mounting a clamping block; 5-lower clamping block; 6-a first locating hole; 7-a first mounting hole; 8-a first positioning projection; 9-a second mounting hole; 10-a support plate; 11-a second positioning projection; 12-a second positioning hole; 13-a third mounting hole; 14-a clamping projection; 15-elastic cushion blocks; 16-a first swing arm mechanism; 17-a second swing arm mechanism; 18-leaf spring mechanism.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, in the present embodiment, a leaf spring suspension includes a subframe, a first swing arm mechanism 16 and a second swing arm mechanism 17 connected to the subframe, respectively, and a leaf spring mechanism 18 having both ends connected to the first swing arm mechanism 16 and the second swing arm mechanism 17, respectively, and the leaf spring mechanism 18 includes:
a plate spring 2, both ends of which are respectively connected to a first swing arm mechanism 16 and a second swing arm mechanism 17;
a pair of clamping members 3 which are respectively clamped to the plate springs 2; the clamping assembly 3 is provided with an upper clamping block 4 supported on the upper surface of the plate spring 2 and a lower clamping block 5 attached to the lower surface of the plate spring 2;
a cross beam 1; which is supported by the upper clamping block 4; the lower clamping block 5 is locked on the cross beam 1;
the clamping assembly 3 is movable along the length of the leaf spring 2 to adjust the clamping position of the clamping assembly 3 to vary the stiffness of the leaf spring 2. Specifically, a pair of clamping assemblies 3 are respectively mounted on the cross beam 1 and respectively clamped on the plate spring 2, so that the plate spring 2 is divided into a middle section without damping effect and side sections with damping effect at two ends; the clamping assembly 3 can move along the plate spring 2, so that the length of the side section is changed, and the rigidity of the plate spring 2 is changed; this leaf spring suspension need not to change any part, can make leaf spring 2 have different rigidity, has realized the universalization of leaf spring 2 to and the modularization of leaf spring suspension, improved leaf spring 2's commonality greatly. Different motorcycle types also have different requirements to 2 rigidity of leaf spring, the utility model discloses a leaf spring suspension structure can make the leaf spring 2 of same model install on different motorcycle types, and the homoenergetic satisfies the requirement of different motorcycle types to 2 rigidity of leaf spring, has improved leaf spring 2's commonality greatly.
As shown in fig. 2, in the present embodiment, the cross beam 1 has a plurality of first positioning holes 6 and a plurality of first mounting holes 7, and the first positioning holes 6 and the first mounting holes 7 correspond to each other one by one; the upper clamping block 4 is provided with a first positioning bulge 8 matched with the first positioning hole 6, and the lower clamping block 5 is provided with a second mounting hole 9 matched with the first mounting hole 7. Specifically, a plurality of groups of hole sites are arranged on the cross beam 1 along the length direction of the plate spring 2, each group of hole sites is provided with a first positioning hole 6 and a first mounting hole 7 in one-to-one correspondence, so that when the clamping assembly 3 is adjusted to clamp positions, the upper clamping block 4 and the lower clamping block 5 can move quickly by the same distance and align, and the best clamping effect is achieved.
As shown in fig. 2 and 4, in the present embodiment, the upper clamping block 4 and the lower clamping block 5 are made of an elastic material capable of absorbing shock and increasing friction force; the lower clamping block 5 is provided with a second positioning bulge 11 and is movably provided with a supporting plate 10; the support plate 10 has a second positioning hole 12 fitted to the second positioning projection 11, and a third mounting hole 13 fitted to the first mounting hole 7. Specifically, the supporting plate 10 is locked to the beam 1 and supports the lower clamping block 5, so that the stress area of the lower clamping block 5 can be increased, and the lower clamping block 5 is not subjected to stress concentration cracking. The upper clamping block 4 and the lower clamping block 5 are made of elastic materials, so that the connection between the plate spring 2 and the cross beam 1 is in flexible connection, the impact force of the plate spring 2 is absorbed, the locking joint cannot be loosened due to direct impact, and a good locking effect can be always kept. The upper clamping block 4 and the lower clamping block 5 are made of rubber, silica gel and other materials in the prior art, and are not described in detail herein.
In the present exemplary embodiment, the upper clamping block 4 has a clamping projection 14, as is shown in fig. 3. Specifically, the upper clamping block 4 is provided with grooves on the left, right and lower surfaces to form two clamping protrusions 14 at the left lower corner and the right lower corner, and when the clamping assembly 3 clamps the cross beam 1, the two clamping protrusions 14 are respectively opened leftwards and rightwards to generate downward pressure, so that the pressing effect is better; and the two clamping protrusions 14 can ensure that at least two stress points are arranged during clamping, so that a better clamping effect is achieved.
As shown in fig. 5, in the present embodiment, an elastic pad 15 is disposed at the joint of the plate spring 2 and the first and second swing arm mechanisms 16 and 17. Specifically, the elastic cushion block 15 is arranged at the connection position, so that hard link is changed into soft connection, and the loss of the connection position is reduced; and only the elastic cushion block 15 needs to be replaced when the suspension is worn, so that the maintenance cost of the plate spring suspension is greatly reduced, and the suspension has good practical significance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A stiffness-adjustable leaf spring suspension comprising a subframe, a first swing arm mechanism (16) and a second swing arm mechanism (17) connected to the subframe, respectively, and a leaf spring mechanism (18) having both ends connected to the first swing arm mechanism (16) and the second swing arm mechanism (17), respectively, characterized in that the leaf spring mechanism (18) comprises:
a plate spring (2) having both ends connected to the first swing arm mechanism (16) and the second swing arm mechanism (17), respectively;
a pair of clamping assemblies (3) respectively clamped to the leaf springs (2); the clamping assembly (3) is provided with an upper clamping block (4) supported on the upper surface of the plate spring (2) and a lower clamping block (5) attached to the lower surface of the plate spring (2);
a cross beam (1); which is supported on the upper clamping block (4); the lower clamping block (5) is locked on the cross beam (1);
the clamping assembly (3) can move along the length direction of the plate spring (2) to adjust the clamping position of the clamping assembly (3) so as to change the rigidity of the plate spring (2).
2. An adjustable stiffness leaf spring suspension according to claim 1 wherein the cross beam (1) has a plurality of first location holes (6) and a plurality of first mounting holes (7), the first location holes (6) and the first mounting holes (7) corresponding one to one; the upper clamping block (4) is provided with a first positioning protrusion (8) matched with the first positioning hole (6), and the lower clamping block (5) is provided with a second mounting hole (9) matched with the first mounting hole (7).
3. An adjustable stiffness leaf spring suspension according to claim 2 wherein the upper clamp block (4) and the lower clamp block (5) are of resilient material capable of damping and increasing friction; the lower clamping block (5) is provided with a second positioning bulge (11) and is movably provided with a supporting plate (10); the supporting plate (10) is provided with a second positioning hole (12) matched with the second positioning bulge (11) and a third mounting hole (13) matched with the first mounting hole (7).
4. An adjustable stiffness leaf spring suspension according to claim 1, wherein the upper clamping block (4) has a clamping protrusion (14).
5. An adjustable stiffness leaf spring suspension according to any of the claims 1-4, characterized in that the connection of the leaf spring (2) with the first (16) and second (17) swing arm mechanism is provided with a resilient pad (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336743.0U CN210502150U (en) | 2019-08-16 | 2019-08-16 | Leaf spring suspension of adjustable rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336743.0U CN210502150U (en) | 2019-08-16 | 2019-08-16 | Leaf spring suspension of adjustable rigidity |
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| Publication Number | Publication Date |
|---|---|
| CN210502150U true CN210502150U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921336743.0U Active CN210502150U (en) | 2019-08-16 | 2019-08-16 | Leaf spring suspension of adjustable rigidity |
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| CN (1) | CN210502150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999022A (en) * | 2020-09-11 | 2020-11-27 | 合肥工业大学 | Suspension system test bed with adjustable rigidity of transverse plate spring |
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2019
- 2019-08-16 CN CN201921336743.0U patent/CN210502150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999022A (en) * | 2020-09-11 | 2020-11-27 | 合肥工业大学 | Suspension system test bed with adjustable rigidity of transverse plate spring |
| CN111999022B (en) * | 2020-09-11 | 2022-06-14 | 合肥工业大学 | Suspension system test bed with adjustable rigidity of transverse plate spring |
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