CN210623452U - Four-piece unequal-length steel plate spring - Google Patents
Four-piece unequal-length steel plate spring Download PDFInfo
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- CN210623452U CN210623452U CN201920846528.9U CN201920846528U CN210623452U CN 210623452 U CN210623452 U CN 210623452U CN 201920846528 U CN201920846528 U CN 201920846528U CN 210623452 U CN210623452 U CN 210623452U
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- leaf spring
- steel plate
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- spring
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Abstract
The utility model discloses a four unequal length leaf springs belong to leaf spring device, including the body, its body top-down comprises first leaf spring, second leaf spring, third leaf spring and fourth leaf spring in proper order, first leaf spring and second leaf spring arm exhibition length are the same, and third leaf spring and fourth leaf spring arm exhibition length reduce in proper order, and second leaf spring one end is equipped with downwardly extending's circular arc flexion, and the other end is equipped with decurrent circular arc bending extension, and first leaf spring, second leaf spring, third leaf spring and fourth leaf spring middle part all are equipped with the bolt hole and alternate fastening bolt and pass through the nut fixedly. The utility model discloses a four unequal length leaf springs, simple structure, reasonable in design have now carried out the optimal design to the structure and have gone out four leaf spring, reduce self weight, save material, neither influence the bearing simultaneously also convenient to straight line section department and use and fix between the vehicle.
Description
Technical Field
The utility model belongs to leaf spring device especially relates to a four unequal length leaf springs.
Background
The steel plate spring is an elastic element which is most widely applied in the automobile suspension, and is an elastic beam which is formed by combining a plurality of spring pieces and has approximate equal strength, when the steel plate spring is installed in the automobile suspension, and the borne vertical load is in the forward direction, each spring piece is stressed and deformed and tends to be bent upwards, at the moment, the axle and the automobile frame are close to each other, and when the axle and the automobile frame are far away from each other, the forward vertical load and the deformation borne by the steel plate spring are gradually reduced and sometimes even reversed, so that a better buffering effect is achieved. However, the existing steel plate springs for the suspension on the market still generally have some defects of larger or smaller size, and can not well meet the increasing requirements of people, the steel plate springs for the suspension often have the defects of lower structural strength and poorer damping performance, so that the using effect of the device is poor, the existing steel plate spring pieces are all in a complete circular arc shape, the difficulty of mounting and fixing the circular arc-shaped steel plate spring pieces on a vehicle shaft is higher when the circular arc-shaped steel plate spring pieces are used, the number of the steel plate spring pieces is more, and more steel plate spring pieces often reach seven or more, the defects of the large self weight, large cost and material waste and the like are overcome.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of existence among the background art, and the unequal length steel leaf spring of four pieces that provide.
The utility model discloses a four unequal length leaf springs, which comprises a body, its body top-down comprises first leaf spring, second leaf spring, third leaf spring and fourth leaf spring in proper order, first leaf spring and second leaf spring arm exhibition length are the same, third leaf spring and fourth leaf spring arm exhibition length reduce in proper order, second leaf spring one end is equipped with downwardly extending's circular arc flexion, and the other end is equipped with decurrent circular arc bending extension, and first leaf spring, second leaf spring, third leaf spring and fourth leaf spring middle part all are equipped with the bolt hole and alternate fastening bolt and pass through the nut fixed, first leaf spring, second leaf spring, third leaf spring and fourth leaf spring all be equipped with the gasket in fastening bolt department, the middle part of first leaf spring, second leaf spring, third leaf spring and fourth leaf spring be the straightway, the straightway, The two ends are arc line sections which are symmetrically arranged.
As the utility model discloses a preferred, the straightway length at first leaf spring, second leaf spring, third leaf spring and fourth leaf spring middle part is the same, and the length of gasket is not more than the length of straightway.
As the utility model discloses a preferred, the thickness at first leaf spring, second leaf spring, third leaf spring and fourth leaf spring middle part is greater than the thickness at both ends.
The utility model discloses a four unequal length leaf springs, moreover, the steam generator is simple in structure, and reasonable in design, the optimum design has now been carried out to the structure and has been gone out four leaf spring, weight also can be by original 65kg about reduce to about 39.5kg, reduce self weight, save material, leaf spring's middle part is the straightway in addition, both ends are the arc segment that the symmetry set up, straightway in the middle of during the atress bearing is motionless, elastic deformation takes place for the arc segment atress at both ends, neither influence the bearing simultaneously also convenient to be fixed between straight line segment department and the use vehicle.
Drawings
FIG. 1 is a front view of the present invention in a free state;
fig. 2 is a front view of the extension state of the present invention;
fig. 3 is a longitudinal sectional view of the first leaf spring of the present invention.
Detailed Description
The following describes a four-piece unequal-length steel plate spring of the present invention with reference to fig. 1, fig. 2, and fig. 3.
Example 1
The utility model relates to a four-piece unequal-length steel plate spring, which comprises a body 1, wherein the body 1 is sequentially composed of a first steel plate spring 2, a second steel plate spring 3, a third steel plate spring 4 and a fourth steel plate spring 5 from top to bottom, the first steel plate spring 2 and the second steel plate spring 3 have the same arm-spread length, the third steel plate spring 4 and the fourth steel plate spring 5 have the arm-spread length reduced sequentially, one end of the second steel plate spring 3 is provided with a downward extending arc bending part 6, the other end is provided with a downward arc bending extending part 7, the middle parts of the first steel plate spring 2, the second steel plate spring 3, the third steel plate spring 4 and the fourth steel plate spring 5 are all provided with bolt holes 15 and are fixed through nuts 9 after being penetrated by fastening bolts 8, the first steel plate spring 2, the second steel plate spring 3, the third steel plate spring 4 and the fourth steel plate spring 5 are all provided with gaskets 10 at the fastening bolts 8, the middle parts of the first leaf spring 2, the second leaf spring 3, the third leaf spring 4 and the fourth leaf spring 5 are straight line sections 11, and arc line sections 12 with two symmetrical ends are provided.
Example 2
The utility model relates to a four-piece unequal-length steel plate spring, which comprises a body 1, wherein the body 1 is sequentially composed of a first steel plate spring 2, a second steel plate spring 3, a third steel plate spring 4 and a fourth steel plate spring 5 from top to bottom, the first steel plate spring 2 and the second steel plate spring 3 have the same arm-spread length, the third steel plate spring 4 and the fourth steel plate spring 5 have the arm-spread length reduced sequentially, one end of the second steel plate spring 3 is provided with a downward extending arc bending part 6, the other end is provided with a downward arc bending extending part 7, the middle parts of the first steel plate spring 2, the second steel plate spring 3, the third steel plate spring 4 and the fourth steel plate spring 5 are all provided with bolt holes 15 and are fixed through nuts 9 after being penetrated by fastening bolts 8, the first steel plate spring 2, the second steel plate spring 3, the third steel plate spring 4 and the fourth steel plate spring 5 are all provided with gaskets 10 at the fastening bolts 8, the middle parts of the first leaf spring 2, the second leaf spring 3, the third leaf spring 4 and the fourth leaf spring 5 are straight line sections 11, and arc line sections 12 with two symmetrical ends are provided. First leaf spring 2, second leaf spring 3, the straightway 11 length at third leaf spring 4 and fourth leaf spring 5 middle part is the same, straightway 11's middle part is arranged in to bolt hole 15, the length of gasket 10 is not more than straightway 11's length, when body 1 is in free state fourth leaf spring 5 main part and the laminating of third leaf spring 4 main part, the laminating of third leaf spring 4 main part and second leaf spring 3 main part, the laminating of second leaf spring 3 main part and first leaf spring 2 main part. The thickness of the middle parts of the first leaf spring 2, the second leaf spring 3, the third leaf spring 4 and the fourth leaf spring 5 is larger than that of the two ends. The middle part of the leaf spring is a straight line segment, two ends of the leaf spring are arc segments symmetrically arranged, the straight line segment in the middle is not deformed relatively when bearing force is applied, the arc segments at two ends are elastically deformed after being applied with force, and the structural design does not influence the bearing force and is convenient to install and fix the straight line segment between the fixing clamp and the vehicle.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (3)
1. The utility model provides a four unequal length leaf springs, includes body (1), its characterized in that body (1) top-down comprises first leaf spring (2), second leaf spring (3), third leaf spring (4) and fourth leaf spring (5) in proper order, first leaf spring (2) and second leaf spring (3) arm exhibition length are the same, and third leaf spring (4) and fourth leaf spring (5) arm exhibition length reduce in proper order, and second leaf spring (3) one end is equipped with downwardly extending's circular arc flexion (6), and the other end is equipped with decurrent circular arc bending extension (7), and first leaf spring (2), second leaf spring (3), third leaf spring (4) and fourth leaf spring (5) middle part all are equipped with bolt hole (15) and are interlude fastening bolt (8) and are fixed through nut (9), first leaf spring (2), The second leaf spring (3), the third leaf spring (4) and the fourth leaf spring (5) are all provided with a gasket (10) at the fastening bolt (8), and the middle parts of the first leaf spring (2), the second leaf spring (3), the third leaf spring (4) and the fourth leaf spring (5) are straight line sections (11) and arc sections (12) with two symmetrical ends.
2. A four leaf spring of unequal length according to claim 1, characterized in that the lengths of the straight line segments (11) in the middle of the first leaf spring (2), the second leaf spring (3), the third leaf spring (4) and the fourth leaf spring (5) are the same, and the length of the spacer (10) is not greater than the length of the straight line segments (11).
3. A four leaf spring of unequal length according to claim 1 or 2, characterised in that the thickness of the middle of the first leaf spring (2), the second leaf spring (3), the third leaf spring (4) and the fourth leaf spring (5) is greater than the thickness of the ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846528.9U CN210623452U (en) | 2019-06-06 | 2019-06-06 | Four-piece unequal-length steel plate spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846528.9U CN210623452U (en) | 2019-06-06 | 2019-06-06 | Four-piece unequal-length steel plate spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623452U true CN210623452U (en) | 2020-05-26 |
Family
ID=70760757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920846528.9U Active CN210623452U (en) | 2019-06-06 | 2019-06-06 | Four-piece unequal-length steel plate spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623452U (en) |
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2019
- 2019-06-06 CN CN201920846528.9U patent/CN210623452U/en active Active
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