CN217029764U - Glass fiber plate spring with brick-built toughening structure - Google Patents
Glass fiber plate spring with brick-built toughening structure Download PDFInfo
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- CN217029764U CN217029764U CN202220197918.XU CN202220197918U CN217029764U CN 217029764 U CN217029764 U CN 217029764U CN 202220197918 U CN202220197918 U CN 202220197918U CN 217029764 U CN217029764 U CN 217029764U
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Abstract
The utility model discloses a glass fiber plate spring with a brick-built toughening structure, wherein a glass fiber plate spring body with the brick-built toughening structure is of a single plate spring structure, both sides of the glass fiber plate spring body with the brick-built toughening structure are respectively provided with a lug joint, the middle part of the glass fiber plate spring body with the brick-built toughening structure is provided with a middle connecting device, the upper part of the middle connecting device is an upper fastening device, and the lower part of the middle connecting device is a lower fastening device. The added staggered prefabricated crack structure is the building type toughening structure of the glass fiber plate spring body, the glass fiber plate spring adopting the structure improves the toughness, and meanwhile, the upper fastening device and the lower fastening device are compressed to play roles in positioning, fixing and load transfer, so that the interlayer strength and the interlayer impact toughness of the plate spring are improved, and the life safety of a driver and passengers is ensured.
Description
Technical Field
The utility model belongs to the technical field of glass fiber plate springs, and particularly relates to a glass fiber plate spring with a brick-built toughening structure.
Background
At present, the automobile steel plate spring is mainly made of high-quality alloy steel, accounts for 5% -7% of the self weight of an automobile body, and the manufacturing process has the defects of multiple production procedures, large equipment floor area, high energy consumption and the like. Especially, in recent years, the soaring price of petroleum, the enhancement of energy conservation, emission reduction and environmental protection awareness and the improvement of the requirements on the safety and comfort of automobiles are increased, and the steel plate spring is gradually difficult to meet the requirements of the future automobile industry.
Common glass fiber plate springs are generally used as resin-based fiber reinforced composite materials represented by advanced composite materials, and have the characteristics of light weight, high specific strength, high specific modulus, heat resistance, wear resistance, heat conduction, excellent vibration resistance, strong designability and the like as structural members, so that the common glass fiber plate springs are widely applied to industrial equipment such as aerospace, automobiles, rail transit and the like, and the lightweight design of replacing steel plate springs with the composite materials becomes a trend, although the glass fiber plate springs are light in weight and good in damping effect, due to the anisotropy, heterogeneity and stacking property of the glass fiber materials, the mechanical property of the interface between fibers and resin connection and the interlayer interface between layers caused by the stacking manufacturing process is poor, so that the glass fiber plate springs are prone to be subjected to delamination fracture damage at the interlayer part in the use process, and once interlayer damage occurs, cracks can rapidly grow along the stacking surface, the plate spring loses bearing capacity and seriously threatens the life safety of a driver and passengers, in order to improve the interlayer strength and interlayer impact toughness of the GFRP plate spring, a novel composite material is required to provide excellent comprehensive mechanical properties, the 'strength' and 'toughness' unification of the composite material is realized, and the glass fiber plate spring with the brick-built toughening structure is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a glass fiber plate spring with a brick-built toughening structure, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a brick type toughens structure glass fiber leaf spring, toughens structure glass fiber leaf spring body including the brick type, the brick type toughens structure glass fiber leaf spring body and is the monolithic leaf spring structure, the brick type toughens structure glass fiber leaf spring body's both sides and all installs the eye joint, the brick type toughens the mid-mounting of structure glass fiber leaf spring body has middle part connecting device, middle part connecting device's upper portion is last fastener, middle part connecting device's lower part is fastener down.
Further, the glass fiber plate spring body with the brick-type toughening structure is formed by sequentially stacking a singular layer of brick-type toughening structure glass fiber prepreg and an even layer of brick-type toughening structure glass fiber prepreg in a brick-type structure mode.
Furthermore, the transition part curves of the upper surface and the lower surface of the glass fiber plate spring body with the brick-type toughening structure are all parabolas, and the middle part of the glass fiber plate spring body is a straight line.
Furthermore, the eye joint adopts the metal material preparation, and the eye joint adopts the mode mixed connection that the gluey mode with bolted connection to toughen structure glass fiber plate spring body with the brick type.
Furthermore, the upper part and the lower part of the middle connecting device are respectively tightly attached to the upper surface and the lower surface of the glass fiber plate spring body with the brick-built toughening structure, and the middle connecting device is connected with a vehicle body through a riding bolt.
Advantageous effects
This structure glass fiber plate spring is toughened to brick type, add the crisscross prefabricated crack structure of establishing and be the structure is toughened to the brick type of the structure glass fiber plate spring body is toughened to the brick type, the glass fiber plate spring that adopts this structure improves toughness, the eye joint adopts the metal material preparation, and the eye joint adopts the mode hybrid connection that splices and bolted connection with the structure glass fiber plate spring body is toughened to the brick type, the device simple structure and with low costs, the reliable operation, adopt and ride horse bolt and car body coupling, simultaneously compress tightly last fastener and lower fastener, play the location, the effect of fixed and transmission load, thereby the interlaminar intensity and the interlaminar impact toughness of plate spring have been improved, driver and passenger's life safety has been guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a glass fiber plate spring body with a brick-type toughening structure according to the present invention;
FIG. 3 is a schematic structural view of a glass fiber prepreg with a single-layer building type toughening structure according to the present invention;
FIG. 4 is a schematic view of a method for forming a laminate of glass fiber plate springs according to the present invention;
FIG. 5 is a schematic view of a bricklaying structure between a single-layer and a double-layer glass fiber prepreg of a bricklaying type toughening structure according to the present invention;
FIG. 6 is a schematic view of a lug connector of the present invention;
fig. 7 is a schematic structural view of the internal connection device of the present invention.
In the figure: 1. a glass fiber plate spring body with a brick-built toughening structure; 11. a single-layer building type toughening structure glass fiber prepreg; 12. a plurality of layers of glass fiber prepregs with brick-built toughening structures; 2. a lug rolling joint; 3. a middle connecting device; 31. an upper fastening means; 32. and a lower fastening device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The utility model provides a technical scheme, which comprises a glass fiber plate spring body 1 with a brick type toughening structure, a glass fiber prepreg 11 with a singular layer of brick type toughening structure, a glass fiber prepreg 12 with an even number of layers of brick type toughening structure, a lug joint 2, a middle connecting device 3, an upper fastening device 31 and a lower fastening device 32, and referring to fig. 1, the glass fiber plate spring body 1 with the brick type toughening structure is of a single-piece plate spring structure, the lug joints 2 are arranged on two sides of the glass fiber plate spring body 1 with the brick type toughening structure, the middle connecting device 3 is arranged in the middle of the glass fiber plate spring body 1 with the brick type toughening structure, the upper part and the lower part of the middle connecting device 3 are respectively tightly attached to the upper surface and the lower surface of the glass fiber plate spring body 1 with the brick type toughening structure, a horseback bolt is adopted to be connected with a vehicle body, the upper part of the middle connecting device 3 is the upper fastening device 31, the lower part of the middle connecting device 3 is a lower fastening device 32, please refer to fig. 2, the glass fiber plate spring body 1 with the brick-built toughening structure is formed by sequentially laminating a singular layer glass fiber prepreg 11 with the even layer brick-built toughening structure and a plurality of layers glass fiber prepregs 12 with the brick-built toughening structure in a brick-built structure mode, the combination of the singular layer glass fiber prepreg 11 with the even layer brick-built toughening structure glass fiber prepreg 12 is not less than three layers, the transition part curves of the upper surface and the lower surface of the glass fiber plate spring body 1 with the brick-built toughening structure are parabolic curves, the middle part is a straight line, the specific parameters of the glass fiber plate spring body 1 with the brick-built toughening structure such as thickness, length and width can be set according to the actual use requirements, please refer to fig. 4, when the laminating molding is carried out, the singular layer glass fiber prepreg 11 with the brick-built toughening structure and the even layer brick-built toughening structure glass fiber prepreg 12 are sequentially overlapped and laid on the mold, then, pressurizing and fixing, maintaining pressure, and heating and forming, referring to fig. 3, the resin-based glass fiber prepreg is prefabricated into a crack structure in a staggered manner as shown in the figure, namely the masonry type toughening structure of the glass fiber plate spring body 1 with the brick type toughening structure, and the glass fiber plate spring adopting the structure improves toughness, regulates and controls rigidity, increases comfort level, and can effectively reduce safety accidents; referring to fig. 6, the lug rolling joint 2 is made of metal material, and the lug rolling joint 2 and the glass fiber plate spring body 1 with the brick-type toughening structure are in mixed connection by adopting a glue joint and bolt connection mode, the device has simple structure, low cost and reliable work, referring to fig. 7, the upper fastening device 31 and the lower fastening device 32 of the middle connecting device 3 are respectively tightly attached to the upper surface and the lower surface of the middle part of the glass fiber plate spring body 1 with the brick-type toughening structure, and are connected with a vehicle body by adopting riding bolts, and the upper fastening device 31 and the lower fastening device 32 are simultaneously pressed tightly to play roles of positioning, fixing and load transfer.
The working principle of the device is as follows: the resin-based glass fiber prepreg is a building type toughening structure of a glass fiber plate spring body 1 with a brick building type toughening structure according to a staggered shearing structure shown in the figure, the glass fiber plate spring adopting the structure improves the toughness, regulates and controls the rigidity, increases the comfort level, can effectively reduce the occurrence of safety accidents, and the eye joints 2 are made of metal materials, and the eye joints 2 and the glass fiber plate spring body 1 with the brick-built toughening structure are mixed and connected by adopting a glue joint and bolt connection mode, the device has simple structure, low cost and reliable work, the upper fastening device 31 and the lower fastening device 32 of the middle connecting device 3 are respectively tightly attached to the upper surface and the lower surface of the middle part of the glass fiber plate spring body 1 of the brick-built toughening structure and are connected with a vehicle body by riding bolts, at the same time, the upper fastening device 31 and the lower fastening device 32 are compressed, and the functions of positioning, fixing and load transmission are achieved.
Claims (5)
1. The utility model provides a brick type toughening structure glass fiber leaf spring, includes brick type toughening structure glass fiber leaf spring body (1), its characterized in that: brick type is toughened structure glass fiber leaf spring body (1) and is the monolithic leaf spring structure, the book ear joint (2) are all installed to the both sides of brick type is toughened structure glass fiber leaf spring body (1), the mid-mounting of brick type is toughened structure glass fiber leaf spring body (1) has middle part connecting device (3), the upper portion of middle part connecting device (3) is last fastener (31), the lower part of middle part connecting device (3) is fastener (32) down.
2. The glass fiber plate spring with a brick-laying type toughening structure according to claim 1, wherein: the glass fiber plate spring body (1) with the brick-type toughening structure is formed by sequentially stacking odd-layer brick-type toughening structure glass fiber prepreg (11) and even-layer brick-type toughening structure glass fiber prepreg (12) in a brick-type toughening structure mode.
3. The glass fiber plate spring with a brick-laying type toughening structure according to claim 1, wherein: the transition part curves of the upper surface and the lower surface of the glass fiber plate spring body (1) of the brick-type toughening structure are all parabolas, and the middle part of the glass fiber plate spring body is a straight line.
4. The glass fiber plate spring with a brick-laying type toughening structure according to claim 1, wherein: the lug joint (2) is made of metal materials, and the lug joint (2) and the glass fiber plate spring body (1) of the brick-laid toughening structure are connected in a mixed mode through gluing and bolting.
5. The glass fiber plate spring with the brick-built toughening structure according to claim 1, wherein: the upper part and the lower part of the middle connecting device (3) are respectively tightly attached to the upper surface and the lower surface of the glass fiber plate spring body (1) of the brick-type toughening structure, and the middle connecting device is connected with a vehicle body through a riding bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197918.XU CN217029764U (en) | 2022-01-25 | 2022-01-25 | Glass fiber plate spring with brick-built toughening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197918.XU CN217029764U (en) | 2022-01-25 | 2022-01-25 | Glass fiber plate spring with brick-built toughening structure |
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| Publication Number | Publication Date |
|---|---|
| CN217029764U true CN217029764U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220197918.XU Active CN217029764U (en) | 2022-01-25 | 2022-01-25 | Glass fiber plate spring with brick-built toughening structure |
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| CN (1) | CN217029764U (en) |
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2022
- 2022-01-25 CN CN202220197918.XU patent/CN217029764U/en active Active
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