CN217415403U - Novel lightweight GFRP leaf spring assembly - Google Patents
Novel lightweight GFRP leaf spring assembly Download PDFInfo
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- CN217415403U CN217415403U CN202121450656.5U CN202121450656U CN217415403U CN 217415403 U CN217415403 U CN 217415403U CN 202121450656 U CN202121450656 U CN 202121450656U CN 217415403 U CN217415403 U CN 217415403U
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- pin shaft
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Abstract
The utility model relates to a leaf spring assembly technical field especially relates to a novel lightweight GFRP leaf spring assembly, including lug assembly, GFRP leaf spring assembly, pendulum ear assembly and frame, lug assembly and pendulum ear assembly are fixed in respectively the bottom both sides of frame, the both ends of GFRP leaf spring assembly respectively with lug assembly and pendulum ear assembly articulate; the GFRP plate spring assembly comprises metal lugs, a plate spring and lug connecting bolt, a plate spring and lug locking nut, a single plate spring body, a metal loading box and a plate spring positioning bolt, wherein one ends of the two metal lugs are respectively connected with lifting lug assemblies and swing lug assemblies at two ends, the other ends of the two metal lugs are connected with the outer end of the single plate spring body through the plate spring and lug connecting bolt, the plate spring and lug locking nut, and the inner ends of the two single plate spring bodies are fixedly connected with the metal loading box through U-shaped bolts; the middle part of the single plate spring body is provided with a central hole for placing a plate spring positioning bolt. The utility model discloses can realize the lightweight of leaf spring.
Description
Technical Field
The utility model relates to a leaf spring assembly technical field especially relates to a novel lightweight GFRP leaf spring assembly.
Background
The principle of the lightweight design of the automobile lies in that the quality of an automobile body is reduced on the premise of ensuring the optimal structural strength and the overall safety performance of the automobile, so that the aims of reducing the energy consumption of a fuel automobile and reducing the emission of greenhouse gases are fulfilled. The light weight design can be divided into two parts of an optimized structure and an improved material. The spring weight is taken as an example, firstly, the lightweight design of the structure is realized, the structural optimization is realized under the condition of ensuring the driving safety of the automobile through reasonable calculation of the structural dimension parameters of the plate spring, and the overall mass of the automobile body is reduced, so that the emission and the energy consumption are reduced, and the working performance of the automobile is also improved. In addition, the improvement of the spring material is also important, the glass fiber reinforced plastic is a reinforced material taking epoxy resin and alkali-free glass fiber as a matrix, and the anisotropic heterogeneous material has the characteristics of small density, light weight, low elastic modulus, strong corrosion resistance, high fatigue strength, easiness in processing and the like, so that the anisotropic heterogeneous material becomes an ideal substitute of the traditional steel plate spring, is more suitable for the development trend of automobiles at present, and is a commonly-sought target in the automobile industry.
Based on the reason, the utility model provides a novel lightweight GFRP leaf spring assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel lightweight GFRP leaf spring assembly, not only can provide the helping hand for the research and development of china's automotive industry, accelerate the light process of china's car spring, reduce the car energy consumption, still can make the driving of car more safe comfortable, stable durable, shorten automobile design cycle simultaneously, improve also having comparable application prospect and realistic meaning in the aspect of work such as car production efficiency.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a novel lightweight GFRP plate spring assembly, which comprises a lifting lug assembly, a GFRP plate spring assembly, a swing lug assembly and a frame, wherein the lifting lug assembly and the swing lug assembly are respectively fixed on two sides of the bottom of the frame, and two ends of the GFRP plate spring assembly are respectively hinged with the lifting lug assembly and the swing lug assembly; the GFRP plate spring assembly comprises metal lugs, a plate spring and lug connecting bolt, a plate spring and lug locking nut, a single plate spring body, a metal loading box and a plate spring positioning bolt, wherein one ends of the two metal lugs are respectively connected with lifting lug assemblies and swing lug assemblies at two ends, the other ends of the two metal lugs are connected with the outer end of the single plate spring body through the plate spring and lug connecting bolt, the plate spring and lug locking nut, and the inner ends of the two single plate spring bodies are fixedly connected with the metal loading box through U-shaped bolts; the middle part of the single leaf spring body is provided with a center hole for placing a leaf spring positioning bolt.
The lifting lug assembly comprises a lifting lug connecting bolt, a lifting lug pin shaft connecting plate, a lifting lug shaft assembly, a first nut, a front pin shaft connecting lining plate and a rear pin shaft connecting plate, the lifting lug pin shaft connecting plate is connected with the bottom of the frame through the lifting lug connecting bolt, the lifting lug shaft assembly penetrates through the lifting lug pin shaft connecting plate and the front pin shaft connecting lining plate and then is connected with the first nut in a matched mode, and the metal rolling lug on one side is sleeved on the outer side of the middle of the lifting lug shaft assembly.
The swing lug assembly comprises a swing lug pin shaft assembly, a swing lug pin shaft connecting plate, a support connecting bolt, a rear pin shaft connecting plate and a second nut, the swing lug pin shaft connecting plate is connected with the bottom of the frame through the support connecting bolt, the swing lug pin shaft assembly penetrates through the swing lug pin shaft connecting plate and the rear pin shaft connecting plate and then is connected with the second nut in a matched mode, and the metal rolling lug on one side is sleeved on the outer side of the middle of the swing lug pin shaft assembly.
And a nylon gasket is arranged between the single plate spring body and the metal loading box.
The inner wall of the metal ear is sleeved with a rubber bushing.
The single-piece plate spring body is made of GFRP materials.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses a monolithic leaf spring body adopts the GFRP material to make, is made by forming process for combined material such as synthetic resin and glass fiber, and combined material all has unusual performance in aspects such as structural strength, energy storage density, specific modulus, high temperature resistance, wearability, but also designability is strong, manufacturing process is simple, easily assemble and maintain and advantage such as the cost is lower. In the lightweight design of an automobile, the requirement for bearing capacity is a first requirement, and the GFRP plate spring can reduce the mass of a plate spring assembly to a great extent and reduce the energy consumption of the automobile in the driving process while meeting the design rigidity.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a partial structure plan view of the present invention.
In the figure: the device comprises a lifting lug assembly 1, a GFRP plate spring assembly 2, a swing lug assembly 3, a vehicle frame 4, a lifting lug connecting bolt 5, a lifting lug pin shaft connecting plate 6, a lifting lug closing part 7, a metal reel 8, a plate spring and reel connecting bolt 9, a plate spring and reel locking nut 10, a single plate spring body 11, a metal loading box 12, a plate spring positioning bolt 13, a nylon gasket 14, a swing lug pin shaft closing part 15, a swing lug pin shaft connecting plate 16, a support connecting bolt 17, a rubber bushing 19, a first nut 20, a front pin shaft connecting lining plate 21, a rear pin shaft connecting plate 22 and a second nut 23.
Detailed Description
The utility model is further explained as follows:
referring to figures 1-3 of the drawings,
the utility model discloses a novel lightweight GFRP leaf spring assembly, which comprises a lifting lug assembly 1, a GFRP leaf spring assembly 2, a swing lug assembly 3 and a frame 4, wherein the lifting lug assembly 1 and the swing lug assembly 3 are respectively fixed on two sides of the bottom of the frame 4, and two ends of the GFRP leaf spring assembly 2 are respectively hinged with the lifting lug assembly 1 and the swing lug assembly 3; the GFRP plate spring assembly 2 comprises metal lugs 8, plate spring and lug connecting bolts 9, plate spring and lug locking nuts 10, single-plate spring bodies 11, metal loading boxes 12 and plate spring positioning bolts 13, one ends of the two metal lugs 8 are respectively connected with the lug assemblies 1 and the lug swinging assemblies 3 at two ends, the other ends of the two metal lugs 8 are connected with the outer ends of the single-plate spring bodies 11 through the plate spring and lug connecting bolts 9 and the plate spring and lug locking nuts 10, and the inner ends of the two single-plate spring bodies 11 are fixedly connected with the metal loading boxes 12 through U-shaped bolts; the middle part of the single plate spring body 11 is provided with a center hole for placing a plate spring positioning bolt 13, the single plate spring body 11 is fixedly connected with the axle through a metal loading box 12 by a pair of U-shaped bolts, and the single plate spring body can also be used as a guide device while attenuating transverse torsional force and buffering impact force. The center hole is arranged in the middle of the single plate spring body 11, the plate spring positioning bolt 13 is placed, and the main function is to prevent the displacement between the plate spring and the axle, wherein the lateral acting force applied to the automobile during turning can cause the transverse moment generated by the spring to generate transverse displacement; the longitudinal displacement is generated by longitudinal moment generated by resistance force applied to the automobile in the advancing process; the single plate spring body 11 is made of GFRP materials, is made of composite materials such as synthetic resin and glass fiber through a forming process, has unusual performances in structural strength, energy storage density, specific modulus, high temperature resistance, wear resistance and the like, and has the advantages of being strong in designability, simple in manufacturing process, easy to assemble and maintain, low in cost and the like. In the lightweight design of the automobile, the requirement for bearing capacity is the first requirement, and the GFRP plate spring can reduce the mass of the plate spring assembly 2 to a great extent while meeting the design rigidity, and reduce the energy consumption of the automobile in the driving process. Particularly, when the automobile runs on an uneven road surface, the automobile body can bear larger impact load due to bumping, so that transverse torsional moment and vertical impact force are caused, the traditional multi-leaf spring steel plate spring can deform, and the reeds can rub against each other, so that the effects of attenuation and buffering are achieved. The preferred single GFRP plate spring is similar to the action mechanism of the traditional plate spring, mainly attenuates the transverse torsion force and buffers the impact force, can avoid the friction among a plurality of plate springs, and can reduce the deformation of the plate spring due to good structural strength and large energy storage density and good plasticity, so that the automobile wheel can jump along a preset track.
The lifting lug assembly 1 comprises a lifting lug connecting bolt 5, a lifting lug pin shaft connecting plate 6, a lifting lug shaft assembly 7, a first nut 20, a front pin shaft connecting lining plate 21 and a rear pin shaft connecting plate 22, the lifting lug pin shaft connecting plate 6 is connected with the bottom of the frame 4 through the lifting lug connecting bolt 5, the lifting lug shaft assembly 7 penetrates through the lifting lug pin shaft connecting plate 6 and the front pin shaft connecting lining plate 21 and then is connected with the first nut 20 in a matched mode, and the metal rolling lug 8 on one side is sleeved on the outer side of the middle of the lifting lug shaft assembly 7.
The swing lug assembly 3 comprises a swing lug pin shaft assembly 15, a swing lug pin shaft connecting plate 16, a support connecting bolt 17, a rear pin shaft connecting plate 22 and a second nut 23, the swing lug pin shaft connecting plate 16 is connected with the bottom of the frame 4 through the support connecting bolt 17, the swing lug pin shaft assembly 15 penetrates through the swing lug pin shaft connecting plate 16 and the rear pin shaft connecting plate 22 and then is connected with the second nut 23 in a matched mode, and the metal rolling lug 8 on one side is sleeved on the outer side of the middle of the swing lug pin shaft assembly 15.
A nylon gasket 14 is arranged between the single leaf spring body 11 and the metal loading box 12 to prevent the single leaf spring body 11 and the metal loading box 12 from being worn mutually, and prolong the service life of the single leaf spring.
The inner wall of the metal ear 8 is sleeved with a rubber bushing 19 which is mostly made of rubber or metal, so that the abrasion between the plate spring connecting parts and the relative motion generated in the running process of the vehicle can be effectively reduced, the service life is prolonged, and the reliability is improved.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a novel lightweight GFRP leaf spring assembly which characterized in that: the vehicle frame is characterized by comprising a lifting lug assembly (1), a GFRP plate spring assembly (2), a swing lug assembly (3) and a vehicle frame (4), wherein the lifting lug assembly (1) and the swing lug assembly (3) are respectively fixed on two sides of the bottom of the vehicle frame (4), and two ends of the GFRP plate spring assembly (2) are respectively hinged with the lifting lug assembly (1) and the swing lug assembly (3);
the GFRP plate spring assembly (2) comprises metal eye lugs (8), plate spring and eye lug connecting bolts (9), plate spring and eye lug locking nuts (10), single-plate spring bodies (11), metal loading boxes (12) and plate spring positioning bolts (13), one ends of the two metal eye lugs (8) are respectively connected with the lifting lug assemblies (1) and the swing lug assemblies (3) at two ends, the other ends of the two metal eye lugs are connected with the eye lug connecting bolts (9) through the plate springs and the eye lug locking nuts (10) and the outer ends of the single-plate spring bodies (11), and the inner ends of the two single-plate spring bodies (11) are fixedly connected with the metal loading boxes (12) through U-shaped bolts; the middle part of the single plate spring body (11) is provided with a central hole for placing a plate spring positioning bolt (13).
2. The novel lightweight GFRP leaf spring assembly of claim 1 wherein: the lifting lug assembly (1) comprises a lifting lug connecting bolt (5), a lifting lug pin shaft connecting plate (6), a lifting lug shaft assembly (7), a first nut (20), a front pin shaft connecting lining plate (21) and a rear pin shaft connecting plate (22), the lifting lug pin shaft connecting plate (6) is connected with the bottom of the frame (4) through the lifting lug connecting bolt (5), the lifting lug shaft assembly (7) penetrates through the lifting lug pin shaft connecting plate (6) and the front pin shaft connecting lining plate (21) and then is connected with the first nut (20) in a matched mode, and the metal rolling lug (8) on one side is sleeved on the outer side of the middle of the lifting lug shaft assembly (7).
3. The novel lightweight GFRP leaf spring assembly of claim 2 wherein: the swing lug assembly (3) comprises a swing lug pin shaft assembly (15), a swing lug pin shaft connecting plate (16), a support connecting bolt (17), a rear pin shaft connecting plate (22) and a second nut (23), the swing lug pin shaft connecting plate (16) is connected with the bottom of the frame (4) through the support connecting bolt (17), the swing lug pin shaft assembly (15) penetrates through the swing lug pin shaft connecting plate (16) and the rear pin shaft connecting plate (22) and then is connected with the second nut (23) in a matched mode, and one side of the metal rolling lug (8) is sleeved on the outer side of the middle of the swing lug pin shaft assembly (15).
4. The novel light-weight GFRP leaf spring assembly according to claim 3, wherein: a nylon gasket (14) is arranged between the single leaf spring body (11) and the metal loading box (12).
5. The novel lightweight GFRP leaf spring assembly of claim 4 wherein: the inner wall of the metal eye (8) is sleeved with a rubber bushing (19).
6. The novel lightweight GFRP leaf spring assembly of claim 5 wherein: the single-piece plate spring body (11) is made of GFRP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450656.5U CN217415403U (en) | 2021-06-29 | 2021-06-29 | Novel lightweight GFRP leaf spring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450656.5U CN217415403U (en) | 2021-06-29 | 2021-06-29 | Novel lightweight GFRP leaf spring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217415403U true CN217415403U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121450656.5U Active CN217415403U (en) | 2021-06-29 | 2021-06-29 | Novel lightweight GFRP leaf spring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217415403U (en) |
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2021
- 2021-06-29 CN CN202121450656.5U patent/CN217415403U/en active Active
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