CN215284249U - Lightweight connecting rod - Google Patents
Lightweight connecting rod Download PDFInfo
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- CN215284249U CN215284249U CN202121460149.XU CN202121460149U CN215284249U CN 215284249 U CN215284249 U CN 215284249U CN 202121460149 U CN202121460149 U CN 202121460149U CN 215284249 U CN215284249 U CN 215284249U
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- connecting rod
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Abstract
The utility model discloses a lightweight connecting rod, including the body of rod that adopts resin base fiber reinforced composite, locate the connector at body of rod both ends and be used for twining the body of rod and connector into holistic first fiber reinforcement layer, the periphery of the body of rod is equipped with and is used for twining into holistic second fiber reinforcement layer with the part that body of rod and first fiber reinforcement layer are located the body of rod outside. The utility model has the advantages of simple structure, light weight, high strength, etc.
Description
Technical Field
The utility model relates to a connecting rod field especially relates to a lightweight connecting rod.
Background
With the development of science and technology and the improvement of the living standard of people, the exploitation and consumption speed of various energy sources is accelerated, and environmental pollution becomes a focus of global attention. In the face of increasing motor vehicles, the national requirements for exhaust emission are higher and higher, and the requirements for light weight and technology of the motor vehicles are more and more urgent.
The connecting rod consists of a metal rod body and two end elastic spherical hinges or metal joints, and the two end elastic spherical hinges are connected with two moving parts of the motor vehicle and are used for transmitting load and providing elastic positioning between the parts. In an automobile air suspension and a truck balance suspension, a connecting rod is connected with an axle and a frame and is used as a guide device of the suspension, namely an automobile thrust rod; in a railway vehicle bogie, a connecting rod is connected with an axle box and a framework or the framework and a vehicle body to transmit longitudinal force, lateral force and moment of the vehicle, and the connecting rod is also called an axle box pull rod and a traction pull rod; in the transverse stabilizer bar device of the automobile, a connecting rod is connected with a stabilizer bar and a frame, so that the stability of the automobile is ensured; in an anti-roll apparatus for a railway vehicle, a connecting rod connects a torsion bar and a vehicle body to restrict roll of the vehicle body.
At present, a rod body of an automobile thrust rod is formed by hot riveting or welding two ball heads (also called ball shells) and the rod body. The ball head is cast steel, cast iron or forged steel, the rod body is made of seamless steel pipe, and the whole forged aluminum alloy thrust rod is trial-assembled in nearly two years. The connecting rod body for the railway vehicle is integrally cast steel or forged steel. A plurality of connecting rods are usually arranged on automobiles and railway vehicles, the connecting rods made of cast steel or forged steel are heavy, and certain light weight can be realized by adopting seamless steel pipes for welding and riveting the connecting rods; although the aluminum alloy thrust rod has a certain light weight effect, the aluminum alloy forging and forming die is high in cost, the riveting and welding quality is difficult to guarantee, and the aluminum alloy thrust rod is not suitable for popularization at present.
In summary, how to design a lightweight connecting rod body, so that the lightweight connecting rod body can reduce the weight of the connecting rod body as much as possible on the premise of meeting the use requirement, improve the production efficiency, reduce the cost, and meet the lightweight requirement of the connecting rod is an urgent technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, light in weight, lightweight connecting rod that intensity is high.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a lightweight connecting rod, includes the body of rod that adopts resin base fiber reinforced composite, locates the connector at body of rod both ends and be used for twining into holistic first fiber reinforcement layer with the body of rod and connector, the periphery of the body of rod is equipped with and is used for twining into holistic second fiber reinforcement layer with the part that body of rod and first fiber reinforcement layer are located the body of rod outside, the thickness of first fiber reinforcement layer and second fiber reinforcement layer is 1mm-15 mm.
As a further improvement of the above technical solution:
the rod body is formed by adopting a pultrusion process.
The first fiber reinforced layer is made of glass fiber or carbon fiber or basalt fiber.
The second fiber reinforced layer adopts glass fiber or carbon fiber or basalt fiber.
The connector is provided with a spherical hinge mounting hole and a connecting part used for being connected with the rod body, flanges are arranged at two ends of the spherical hinge mounting hole, and the first fiber reinforced layer is located between the flanges.
The connector is made of nylon and glass fiber reinforced materials or sheet molding compounds, and a metal sleeve is embedded at the spherical hinge mounting hole.
The connecting part is in interference fit with the rod body.
The connector is made of carbon steel or alloy steel or aluminum alloy.
The connector is formed by forging or casting.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a lightweight connecting rod, the body of rod adopt resin base fibre reinforced composite, body of rod both ends are equipped with the connector, first fiber reinforcement layer twines the body of rod and connector into wholly, the second fiber reinforcement layer twines the part that body of rod and first fiber reinforcement layer are located the body of rod outside into wholly, compare in traditional carbon steel connecting rod, the weight of connecting rod has been alleviateed, first fiber reinforcement layer and second fiber reinforcement layer can guarantee that the connecting rod has sufficient axial strength, can guarantee again that the connecting rod has sufficient antitorque commentaries on classics intensity.
Drawings
Fig. 1 is a schematic structural view of the lightweight connecting rod of the present invention.
Fig. 2 is a front view of the lightweight connecting rod of the present invention.
Fig. 3 is a side view of the lightweight connecting rod of the present invention.
The reference numerals in the figures denote:
1. a rod body; 2. a connector; 21. a spherical hinge mounting hole; 22. a connecting portion; 23. a flange; 3. a first fiber-reinforced layer; 4. A second fibrous reinforcement layer.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments.
As shown in fig. 1 to 3, the lightweight connecting rod of the present embodiment includes a rod body 1 made of a resin-based fiber-reinforced composite material, connectors 2 disposed at two ends of the rod body 1, and a first fiber-reinforced layer 3 for winding the rod body 1 and the connectors 2 into a whole, wherein a second fiber-reinforced layer 4 for winding the rod body 1 and the first fiber-reinforced layer 3 outside the rod body 1 into a whole is disposed at the periphery of the rod body 1, and the thicknesses of the first fiber-reinforced layer 3 and the second fiber-reinforced layer 4 are 1mm to 15 mm. Among them, the thickness of the first fiber-reinforced layer 3 and the second fiber-reinforced layer 4 may be more preferably 3mm to 10 mm.
This lightweight connecting rod, body of rod 1 adopts resin base fiber reinforcement combined material, the body of rod both ends are equipped with connector 2, first fiber reinforcement layer 3 twines the body of rod and connector into whole, second fiber reinforcement layer 4 twines the body of rod and the part that first fiber reinforcement layer 1 is located the body of rod 1 outside into whole, compare in traditional carbon steel connecting rod, the weight of connecting rod has been lightened, first fiber reinforcement layer 4 and second fiber reinforcement layer 4 can guarantee that the connecting rod has sufficient axial strength, can guarantee again that the connecting rod has sufficient antitorque commentaries on classics intensity.
In the embodiment, the rod body 1 is formed by adopting a pultrusion process, so that the forming efficiency is high, and the forming quality is good.
In this embodiment, the first fiber reinforced layer 3 is made of glass fiber, carbon fiber or basalt fiber, and has high heat resistance, good corrosion resistance, and high mechanical strength.
In this embodiment, the second fiber reinforced layer 4 is made of glass fiber or carbon fiber or basalt fiber, and has high heat resistance, good corrosion resistance, and high mechanical strength.
In this embodiment, the connector 2 is provided with a spherical hinge mounting hole 21 and a connecting portion 22 for connecting with the rod body 1, the connector 2 is provided with flanges 23 at two ends of the spherical hinge mounting hole 21, so that the transverse bearing capacity of the connecting rod is enhanced, and the first fiber reinforced layer 3 is located between the two flanges 23, so as to ensure the connection performance and the axial strength of the connecting rod.
In this embodiment, the connector 2 is made of nylon and glass fiber reinforced material or sheet molding compound, and a metal sleeve is embedded in the spherical hinge mounting hole 21, so as to further reduce the weight of the connecting rod.
In this embodiment, the connection portion 22 is in interference fit with the rod body 1, so as to ensure reliable connection.
In this embodiment, the connector 2 is made of carbon steel, alloy steel or aluminum alloy, and has high strength.
As a preferred solution, the connecting head 2 is formed by forging or casting.
It should be noted that although the present invention has been described with reference to the preferred embodiments, the present invention is not limited thereto. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A lightweight connecting rod characterized in that: including the body of rod (1) that adopts resin base fiber reinforced composite, locate the connector (2) at the body of rod (1) both ends and be used for twining the body of rod (1) and connector (2) into holistic first fiber reinforcement layer (3), the periphery of the body of rod (1) is equipped with and is used for twining into holistic second fiber reinforcement layer (4) with the part that body of rod (1) and first fiber reinforcement layer (3) are located the body of rod (1) outside, the thickness of first fiber reinforcement layer (3) and second fiber reinforcement layer (4) is 1mm-15mm, first fiber reinforcement layer (3) adopt glass fiber or carbon fiber or basalt fiber.
2. The lightweight connecting rod of claim 1, wherein: the rod body (1) is formed by adopting a pultrusion process.
3. The lightweight connecting rod of claim 1, wherein: the second fiber reinforced layer (4) adopts glass fiber or carbon fiber or basalt fiber.
4. The light-weight connecting rod according to any one of claims 1 to 3, characterized in that: be equipped with ball pivot mounting hole (21) on connector (2) and be used for connecting with the body of rod (1) connecting portion (22), connector (2) in the both ends of ball pivot mounting hole (21) are equipped with flange (23), first fiber reinforcement layer (3) are located two between flange (23).
5. The lightweight connecting rod of claim 4, wherein: the connector (2) is made of nylon and glass fiber reinforced materials or sheet molding compounds, and a metal sleeve is embedded in the spherical hinge mounting hole (21).
6. The lightweight connecting rod of claim 5, wherein: the connecting part (22) is in interference fit with the rod body (1).
7. The light-weight connecting rod according to any one of claims 1 to 3, characterized in that: the connector (2) is made of carbon steel or alloy steel or aluminum alloy.
8. The lightweight connecting rod of claim 7, wherein: the connector (2) is formed by forging or casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460149.XU CN215284249U (en) | 2021-06-29 | 2021-06-29 | Lightweight connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460149.XU CN215284249U (en) | 2021-06-29 | 2021-06-29 | Lightweight connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215284249U true CN215284249U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121460149.XU Active CN215284249U (en) | 2021-06-29 | 2021-06-29 | Lightweight connecting rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN215284249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008133A (en) * | 2022-06-16 | 2022-09-06 | 常州启赋安泰复合材料科技有限公司 | Composite material tension and compression bar and manufacturing method thereof |
-
2021
- 2021-06-29 CN CN202121460149.XU patent/CN215284249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008133A (en) * | 2022-06-16 | 2022-09-06 | 常州启赋安泰复合材料科技有限公司 | Composite material tension and compression bar and manufacturing method thereof |
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