CN205853799U - Longitudinal composite material plate spring assembly - Google Patents
Longitudinal composite material plate spring assembly Download PDFInfo
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- CN205853799U CN205853799U CN201620842533.9U CN201620842533U CN205853799U CN 205853799 U CN205853799 U CN 205853799U CN 201620842533 U CN201620842533 U CN 201620842533U CN 205853799 U CN205853799 U CN 205853799U
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- leaf spring
- spring body
- assembly
- composite material
- grasswort
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Abstract
This utility model relates to vehicle component field, particularly relates to a kind of plate spring assembly.A kind of longitudinal composite material plate spring assembly, including a leaf spring body and a pair grasswort assembly being symmetrically connected to leaf spring body two ends, described leaf spring body is strip circular arc sheet material, described leaf spring body is by glass fiber reinforced epoxy resin support laminated into type, upper and lower surface in the middle part of leaf spring body is symmetrically connected with a pair backing plate, centered by the end thickness of leaf spring body the 50% ± 10% of thickness, the end thickness of leaf spring body is the 10% ± 1% of free camber, the outer surface of described backing plate is both provided with preset connection position.This utility model uses the body of composite to pass through rationally to arrange dimensional parameters, and utilizes default position and the shared grasswort bolt location and installation of connecting on car load, decreases the destruction to leaf spring body as far as possible, it is ensured that the performance of leaf spring；Compare original plate spring assembly energy loss of weight about 50%, meet the requirement of lightweight and performance.
Description
Technical field
This utility model relates to vehicle component field, particularly relates to a kind of plate spring assembly.
Background technology
Leaf spring is a kind of flexible member common in automobile suspension system, and its performance quality directly influences running car
Ride comfort, the stability of manipulation and bearing capacity.At present, leaf springs of car is mainly made up of superior alloy steel, accounts for car load deadweight
5%～7%, and there is the shortcomings such as production process is many, occupation area of equipment is big, energy consumption is high, leaf spring is difficult to meet the most gradually
The requirement of future automobile industry.Compared with conventional steel leaf spring, composite material plate spring weight is only similar shaped steel leaf spring
30%～40%, and have that elastic strain is big, specific strain energy is high, length fatigue life and the feature such as " safe breaking property " good.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of longitudinal composite material plate spring assembly, and this leaf spring is total
The body becoming employing composite passes through rationally to arrange dimensional parameters, and the default position that connects of utilization positions with shared grasswort bolt
It is arranged on car load, decreases the destruction to leaf spring body as far as possible, meet the requirement of lightweight and performance.
This utility model is achieved in that a kind of longitudinal composite material plate spring assembly, including a leaf spring body and right
Claiming a pair grasswort assembly being connected to leaf spring body two ends, described leaf spring body is strip circular arc sheet material, and described leaf spring is originally
Body is symmetrically connected with a pair pad by glass fiber reinforced epoxy resin support laminated into type, the upper and lower surface in the middle part of leaf spring body
Plate, centered by the end thickness of leaf spring body the 50% ± 10% of thickness, the end thickness of leaf spring body be free camber 10% ±
1%, the outer surface of described backing plate is both provided with preset connection position.
Described leaf spring body has free state and state of applanation, and chord length when leaf spring body is in free state is for flattening
During state the 95% ± 3% of chord length.
It is fixedly linked by grasswort bolt and bonded adhesives between described grasswort assembly and leaf spring body.
It is fixedly linked by bonded adhesives between described backing plate and leaf spring body.
Described default connection position is by being welded and fixed on the outer surface being arranged on backing plate.
Described default connection position is for presetting bolt or default nut.
This utility model longitudinal composite material plate spring assembly uses the body of composite to join by rationally arranging size
Number, and utilize default connection position with the grasswort bolt location and installation shared on car load, decrease as far as possible leaf spring body
Destruction, it is ensured that the performance of leaf spring；Compare original plate spring assembly energy loss of weight about 50%, meet wanting of lightweight and performance
Ask.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model longitudinal composite material plate spring assembly；
Fig. 2 is end of the present utility model enlarged diagram；
Fig. 3 is middle part of the present utility model enlarged diagram.
In figure: 1 leaf spring body, 2 grasswort assemblies, 3 backing plates, 4 default connection position, 5 grasswort bolts.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further.Should be understood that these embodiments are merely to illustrate this
Utility model rather than limit scope of the present utility model.In addition, it is to be understood that in the content having read this utility model statement
Afterwards, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within this Shen equally
Please appended claims limited range.
Embodiment 1
As it is shown in figure 1, a kind of longitudinal composite material plate spring assembly, including a leaf spring body 1 be symmetrically connected to leaf spring
A pair grasswort assembly 2 at body 1 two ends, described leaf spring body 1 is strip circular arc sheet material, and described leaf spring body 1 is by glass
Fiber reinforced epoxy resin support laminated into type, the upper and lower surface in the middle part of leaf spring body 1 is symmetrically connected with a pair backing plate 3, leaf spring
Centered by the end thickness of body 1 the 50% ± 10% of thickness, the end thickness of leaf spring body 1 is the 10% ± 1% of free camber, institute
State to be both provided with on the outer surface of backing plate 3 presetting and connect position 4；
In order to better meet the requirement of leaf spring body 1 overall dimensions, it is achieved smoothly transitting of position time, the present embodiment
Middle leaf spring body 1 is made by 28 layers of glass fibre laminated processing and forming, as a length of 1400mm of leaf spring body 1, each layer
Parameter is as shown in table 1 below,
| Laying sequence number | Laying length (mm) |
| 1 | 1400 |
| 2 | 1400 |
| 3 | 1400 |
| 4 | 1400 |
| 5 | 1400 |
| 6 | 1120 |
| 7 | 980 |
| 8 | 760 |
| 9 | 560 |
| 10 | 1400 |
| 11 | 680 |
| 12 | 600 |
| 13 | 1400 |
| 14 | 1400 |
| 15 | 1400 |
| 16 | 260 |
| 17 | 220 |
| 18 | 280 |
| 19 | 1400 |
| 20 | 580 |
| 21 | 780 |
| 22 | 1120 |
| 23 | 1120 |
| 24 | 1400 |
| 25 | 1400 |
| 26 | 1400 |
| 27 | 1400 |
| 28 | 1400 |
Various parameter lists when table 1 is laminated for leaf spring body
In this utility model, as preferably, described leaf spring body 1 has free state and state of applanation, leaf spring body 1
When chord length when being in free state is state of applanation the 95% ± 3% of chord length.
In the present embodiment, as in figure 2 it is shown, pass through grasswort bolt 5 between described grasswort assembly 2 and leaf spring body 1 and glue
Connecing glue to be fixedly linked, dual connected mode strengthens the connection reliability of leaf spring body 1 and grasswort assembly 2；Grasswort assembly 2 uses
Metal structure, is provided with the grasswort lining coordinated with car load in grasswort assembly 2, furthermore it is also possible to connected plate by grasswort bolt 5
Spring is installed to car load position.
In the present embodiment, as it is shown on figure 3, be fixedly linked by bonded adhesives between described backing plate 3 and leaf spring body 1, pad
Plate 3 is metal structure, and backing plate 3 plays the effect avoiding leaf spring body 1 with the abrasion of vehicle junction；It addition, in order to realize leaf spring
The location of center, described default connection position 4 by being welded and fixed on the outer surface being arranged on backing plate 3, described default connection
Position 4 is for presetting bolt or default nut；Preset connection position 4 for this kind and can play the effect of location, turn avoid at leaf spring body 1
The upper punching impact on leaf spring performance.
Claims (6)
1. a longitudinal composite material plate spring assembly, including a leaf spring body (1) be symmetrically connected to leaf spring body (1) two ends
A pair grasswort assembly (2), described leaf spring body (1) is strip circular arc sheet material, it is characterized in that: described leaf spring body (1)
By glass fiber reinforced epoxy resin support laminated into type, the upper and lower surface at leaf spring body (1) middle part is symmetrically connected with a pair pad
Plate (3), centered by the end thickness of leaf spring body (1) the 50% ± 10% of thickness, the end thickness of leaf spring body (1) is free arc
High 10% ± 1%, the outer surface of described backing plate (3) is both provided with preset connection position (4).
2. longitudinal composite material plate spring assembly as claimed in claim 1, is characterized in that: described leaf spring body (1) has certainly
By state and state of applanation, when chord length when leaf spring body (1) is in free state is state of applanation the 95% ± 3% of chord length.
3. longitudinal composite material plate spring assembly as claimed in claim 1 or 2, is characterized in that: described grasswort assembly (2) and plate
It is fixedly linked by grasswort bolt (5) and bonded adhesives between spring body (1).
4. longitudinal composite material plate spring assembly as claimed in claim 1 or 2, is characterized in that: described backing plate (3) is with leaf spring originally
Body is fixedly linked by bonded adhesives between (1).
5. longitudinal composite material plate spring assembly as claimed in claim 1 or 2, is characterized in that: described default connection position (4) is led to
Cross and be welded and fixed on the outer surface being arranged on backing plate (3).
6. longitudinal composite material plate spring assembly as claimed in claim 1 or 2, is characterized in that: described default connection position (4)
For default bolt or default nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842533.9U CN205853799U (en) | 2016-08-05 | 2016-08-05 | Longitudinal composite material plate spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842533.9U CN205853799U (en) | 2016-08-05 | 2016-08-05 | Longitudinal composite material plate spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205853799U true CN205853799U (en) | 2017-01-04 |
Family
ID=57657096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842533.9U Active CN205853799U (en) | 2016-08-05 | 2016-08-05 | Longitudinal composite material plate spring assembly |
Country Status (1)
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| CN (1) | CN205853799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059972A (en) * | 2020-01-02 | 2021-07-02 | 株洲时代新材料科技股份有限公司 | Lightweight suspension device |
| CN113059973A (en) * | 2020-01-02 | 2021-07-02 | 博戈橡胶塑料（株洲）有限公司 | Combined suspension device |
-
2016
- 2016-08-05 CN CN201620842533.9U patent/CN205853799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059972A (en) * | 2020-01-02 | 2021-07-02 | 株洲时代新材料科技股份有限公司 | Lightweight suspension device |
| CN113059973A (en) * | 2020-01-02 | 2021-07-02 | 博戈橡胶塑料（株洲）有限公司 | Combined suspension device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |