CN216895664U

CN216895664U - Carbon fiber transmission shaft with high bearing capacity

Info

Publication number: CN216895664U
Application number: CN202122859266.XU
Authority: CN
Inventors: 施建昌
Original assignee: Nanjing White Harbour Composite Material Co ltd
Current assignee: Nanjing White Harbour Composite Material Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-07-05
Anticipated expiration: 2031-11-22

Abstract

The utility model belongs to the field of automobile accessories and relates to a carbon fiber transmission shaft with strong bearing capacity, which comprises a transmission shaft body, two connecting sleeves and two mounting mechanisms, wherein the transmission shaft body comprises an alloy rod body and a carbon fiber sleeve, second clamping grooves are formed in the left side and the right side of the alloy rod body, first bearings are rotatably sleeved in the second clamping grooves, a first connecting block is fixedly welded at one end, away from the alloy rod body, of each connecting sleeve, a second bearing is fixedly clamped on each first connecting block, each mounting mechanism comprises a mounting plate and a connecting bolt, positioning holes are formed in the four corners of each mounting plate, mounting bolts are inserted into the positioning holes, two second connecting blocks are fixedly welded at one end, close to the transmission shaft body, of each mounting plate, the connecting bolts are inserted into the two second connecting blocks and the first connecting blocks, and connecting nuts are connected to the tail ends of the connecting bolts through threads; this transmission shaft not only possesses the rigidity of metal, and has the resistance to tearing of carbon fiber and draws the nature, and the while cost is low, is convenient for install and dismantle.

Description

Carbon fiber transmission shaft with high bearing capacity

Technical Field

The utility model belongs to the field of automobile parts, and particularly relates to a carbon fiber transmission shaft with high bearing capacity.

Background

With the development of the times, the living standard of people is continuously improved, automobiles enter thousands of households, a plurality of parts and components are arranged on the automobiles, a transmission shaft is an extremely important one, and the transmission shaft is a rotating body with high rotating speed and few supports, so that the dynamic balance of the transmission shaft is very important. Generally, a dynamic balance test is carried out on a transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. For a front engine rear wheel drive vehicle, the rotation of a transmission is transmitted to a shaft of a main speed reducer, the transmission can be a plurality of joints, the joints can be connected by universal joints, and the universal joints are key parts on a transmission shaft of the vehicle. On a rear-drive automobile, an engine, a clutch and a transmission are integrally arranged on a frame, a drive axle is connected with the frame through an elastic suspension, and a distance is reserved between the engine and the transmission to be connected. The universal joint is composed of cross axle, cross bearing and flange fork. The universal joint is the epaxial key part of car transmission, and the universal joint transmission shaft is installed between derailleur output shaft and transaxle final drive input shaft, and the car lightweight is more advocated for the country.

The traditional driving roller of car is mostly pure steel or pure carbon fiber and makes, and the transmission shaft that pure steel made is not only weight heavier, and rusts easily, and firm inadequately, influences life and safety in utilization, and the transmission shaft cost of manufacture that pure carbon fiber made is higher, and traditional transmission shaft is not convenient for install and dismantle, drops easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon fiber transmission shaft with strong bearing capacity, which is used for solving the problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a carbon fiber transmission shaft with strong bearing capacity, which comprises a transmission shaft body, two connecting sleeves and two mounting mechanisms, wherein the transmission shaft body comprises an alloy rod body and a carbon fiber sleeve, a first clamping groove is formed in the middle section of the alloy rod body, the carbon fiber sleeve is fixedly bonded to the first clamping groove, second clamping grooves are formed in the left side and the right side of the alloy rod body, a first bearing is rotatably sleeved in each second clamping groove, a first connecting block is fixedly welded at one end, far away from the alloy rod body, of each connecting sleeve, a second bearing is fixedly clamped on each first connecting block, each mounting mechanism comprises a mounting plate and a connecting bolt, positioning holes are formed in the four corners of each mounting plate, mounting bolts are inserted into the positioning holes, two second connecting blocks are fixedly welded at one end, close to the transmission shaft body, of each mounting plate, and the first connecting blocks are inserted between the two second connecting blocks, the connecting bolt is inserted into the two second connecting blocks and the first connecting block, and the tail end of the connecting bolt is in threaded connection with a connecting nut.

As a preferred technical scheme of the utility model, the two connecting sleeves are fixedly sleeved at the outer end of the first bearing, so that the rotation friction and the noise are reduced.

As a preferred technical scheme of the utility model, the mounting bolt is sleeved with the anti-skidding gasket, so that the mounting bolt can be effectively prevented from skidding.

As a preferable technical scheme of the utility model, the middle end of the connecting bolt is smooth and provided with a groove, and the tail end of the connecting bolt is provided with a thread.

As a preferable technical scheme of the utility model, one end of the mounting plate, which is far away from the alloy rod body, is fixedly bonded with a plurality of cushion pads, so that the mounting plate is prevented from breaking and falling off due to vibration during the operation of an automobile.

The utility model has the following beneficial effects: through the design that a carbon fiber section of thick bamboo was established to alloy body of rod overcoat in the transmission shaft body, make the transmission shaft body not only possess the rigidity of metal, still have the resistance of carbon fiber and tear the nature, and be connected with installation mechanism through the adapter sleeve, with installation mechanism location again, conveniently install and dismantle, through the design of first bearing and second bearing, can effectively alleviate transmission shaft pivoted wearing and tearing and noise simultaneously to increase of service life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a propeller shaft body according to the present invention;

FIG. 3 is a schematic structural view of the connecting sleeve of the present invention;

FIG. 4 is a schematic structural view of the fixed mounting mechanism of the present invention.

In the figure: 1. a transmission shaft body; 2. connecting sleeves; 3. an installation mechanism; 4. an alloy rod body; 5. a carbon fiber sleeve; 6. a first clamping groove; 7. a second clamping groove; 8. a first bearing; 9. a first connection block; 10. a second bearing; 11. mounting a plate; 12. a connecting bolt; 13. positioning holes; 14. installing a bolt; 15. an anti-slip gasket; 16. a second connecting block; 17. and connecting a nut.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, a carbon fiber transmission shaft with strong bearing capacity comprises a transmission shaft body 1, two connecting sleeves 2 and two mounting mechanisms 3, wherein the transmission shaft body 1 comprises an alloy rod body 4 and a carbon fiber sleeve 5, a first clamping groove 6 is formed in the middle section of the alloy rod body 4, the carbon fiber sleeve 5 is fixedly bonded in the first clamping groove 6, second clamping grooves 7 are formed in the left side and the right side of the alloy rod body 4, a first bearing 8 is rotatably sleeved in the second clamping grooves 7, a first connecting block 9 is fixedly welded at one end of the connecting sleeve 2, which is far away from the alloy rod body 4, a second bearing 10 is fixedly clamped on the first connecting block 9, the mounting mechanisms 3 comprise a mounting plate 11 and a connecting bolt 12, positioning holes 13 are formed in the four corners of the mounting plate 11, mounting bolts 14 are inserted in the positioning holes 13, two second connecting blocks 16 are fixedly welded at one end of the mounting plate 11, which is close to the transmission shaft body 1, the first connecting block 9 is inserted between the two second connecting blocks 16, the connecting bolt 12 is inserted between the two second connecting blocks 16 and the first connecting block 9, and the tail end of the connecting bolt 12 is in threaded connection with a connecting nut 17.

The two connecting sleeves 2 are fixedly sleeved at the outer end of the first bearing 8, so that the rotating friction and the noise are reduced; the mounting bolt 14 is sleeved with an anti-skid gasket 15, so that the mounting bolt 14 can be effectively prevented from slipping; the middle end of the connecting bolt 12 is smooth and provided with a groove, and the tail end of the connecting bolt 12 is provided with a thread; the fixed bonding of the 4 one ends of alloy body of rod is kept away from to mounting panel 11 has a plurality of blotters, prevents that vibrations from causing the fracture of mounting panel 11 to drop when the car moves.

Specifically, when the transmission shaft is used, the carbon fiber cylinder is sleeved outside the alloy rod body 4 in the transmission shaft body 1, so that the transmission shaft body 1 not only has metal rigidity, but also has the tearing resistance of carbon fibers, and is connected with the mounting mechanism 3 through the connecting sleeve 2, then the mounting plate 11 is positioned, so that the installation and the disassembly are convenient, the rotation adjustment can be carried out through the rotation action of the first bearing 8 and the connecting sleeve 2, the angle adjustment is convenient through the rotation action of the second bearing 10 and the connecting bolt 12, meanwhile, the abrasion and the noise of the rotation of the transmission shaft can be effectively reduced through the addition of the first bearing 8 and the second bearing 10, and the service life is prolonged.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carbon fiber transmission shaft that bearing capacity is strong, includes a transmission shaft body (1), two adapter sleeves (2) and two installation mechanism (3), its characterized in that: transmission shaft body (1) is including the alloy body of rod (4) and carbon fiber sleeve (5), first joint groove (6) have been seted up at the middle section on the alloy body of rod (4), carbon fiber sleeve (5) are fixed to be bonded in first joint groove (6), second joint groove (7) have all been seted up to the left and right sides on the alloy body of rod (4), first bearing (8) have been cup jointed in second joint groove (7) internal rotation, alloy body of rod (4) one end fixed welding is kept away from in adapter sleeve (2) has first connecting block (9), fixed joint has second bearing (10) on first connecting block (9), installation mechanism (3) are including mounting panel (11) and connecting bolt (12), locating hole (13) have all been seted up to four corners department on mounting panel (11), locating hole (13) interpolation is equipped with construction bolt (14), mounting panel (11) are close to transmission shaft body (1) one end fixed welding and have two second connecting blocks (16) The connecting structure comprises a first connecting block (9), a connecting bolt (12), a connecting nut (17) and a connecting bolt, wherein the first connecting block (9) is inserted between two second connecting blocks (16), the connecting bolt (12) is inserted on the two second connecting blocks (16) and the first connecting block (9), and the tail end of the connecting bolt (12) is in threaded connection with the connecting nut (17).

2. The carbon fiber transmission shaft with strong bearing capacity according to claim 1, wherein: the two connecting sleeves (2) are fixedly sleeved at the outer end of the first bearing (8).

3. The carbon fiber transmission shaft with strong bearing capacity according to claim 1, wherein: and an anti-skid gasket (15) is sleeved on the mounting bolt (14).

4. The carbon fiber transmission shaft with strong bearing capacity according to claim 1, wherein: the middle end of the connecting bolt (12) is smooth and provided with a groove, and the tail end of the connecting bolt (12) is provided with a thread.

5. The carbon fiber transmission shaft with strong bearing capacity according to claim 1, wherein: a plurality of cushion pads are fixedly bonded at one end, far away from the alloy rod body (4), of the mounting plate (11).