Carbon fiber transmission shaft assembly

Abstract

The utility model discloses a carbon fiber transmission shaft assembly which comprises a transmission shaft body, one side of the transmission shaft body is provided with a sliding fork, the middle of the sliding fork is connected with a cross shaft, the cross shaft is connected with a shaft sleeve, one side of the cross shaft is provided with a flange fork, and the flange fork is connected with the shaft sleeve. The cross shaft is connected with the flange fork through the shaft sleeve, the cross shaft comprises a plurality of shaft heads, and the shaft heads are connected with the shaft sleeve. According to the carbon fiber transmission shaft assembly provided by the utility model, the lubricating liquid can be thrown out by virtue of centrifugal force formed when the carbon fiber transmission shaft assembly rotates, so that the lubricating liquid can be supplemented when the carbon fiber transmission shaft assembly works, and the carbon fiber transmission shaft assembly does not need to be disassembled for lubrication and maintenance regularly; the time consumed for lubricating and maintaining the carbon fiber transmission shaft assembly is shortened, and the lubricating and maintaining work efficiency of the carbon fiber transmission shaft assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle transmission shaft technical field, concretely relates to a carbon fiber transmission shaft assembly. BACKGROUND

[0002] The carbon fiber transmission shaft assembly is a kind of high-performance transmission system component, when engine output power, power is transmitted to carbon fiber transmission shaft by transmission system, and then power is transmitted to vehicle rear axle by carbon fiber transmission shaft through universal joint.

[0003] After carbon fiber transmission shaft is used in large quantities, abrasion can occur due to friction and jolt, which leads to transmission efficiency decline and easily causes vehicle abnormal sound, and the existing processing mode is to use brush to periodically lubricate and maintain the connecting place of carbon fiber transmission shaft and universal joint, i.e.

[0004] However, in the processing operation, the exposed part of the matching surface of carbon fiber transmission shaft and universal joint is not much, so that the components need to be disassembled to lubricate and maintain carbon fiber transmission shaft assembly, which leads to the extension of the time consumed in lubrication processing operation, and after reassembling, the connection stability and safety need to be detected, resulting in low lubrication and maintenance efficiency of carbon fiber transmission shaft assembly. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims at providing a carbon fiber transmission shaft assembly.

[0006] To achieve the foregoing utility model purposes, the utility model adopts the technical scheme including:

[0007] The transmission shaft body is provided with a sliding fork on one side, the middle part of the sliding fork is connected with a cross shaft, the upper part of the cross shaft is connected with a shaft sleeve, the one side of the cross shaft is provided with a flange fork, the cross shaft is connected with the flange fork through the shaft sleeve, and the cross shaft includes a plurality of shaft heads, and the shaft heads are connected with the shaft sleeve.

[0008] The shaft head is provided with a containing cavity for lubricating liquid to enter, the cross section area of the containing cavity gradually reduces away from the cross shaft, at least one lubricating hole is formed in the shaft head, and the lubricating liquid can flow into the matching surface between the shaft head and the shaft sleeve through the lubricating hole.

[0009] It can be understood that the lubricating liquid used for vehicle maintenance is mostly in solidified state, and has poor flowability when not being pulled by external force, and the matching surface between the shaft head and the shaft sleeve refers to the surface that is contacted and used for transmission between the shaft head and the shaft sleeve.

[0010] Preferably, the oil pushing assembly for pushing the lubricating oil into the lubricating hole is further included, the oil pushing assembly comprises a plurality of cone heads slidingly arranged in the accommodating cavity, a plurality of electric telescopic rods are fixedly connected in the cross shaft, and the telescopic ends of the electric telescopic rods are fixedly connected with the cone heads.

[0011] It can be understood that the electric telescopic rods in the oil pushing assembly need the support of a power source, the electric telescopic rods can be powered by using the power source in the vehicle or by arranging the power source in the cross shaft, and preferably, the electric telescopic rods are powered by using the built-in power source in the cross shaft, so that the power supply mode can support the electric telescopic rods and reduce the transmission hindrance to the carbon fiber transmission shaft assembly.

[0012] Preferably, the elastic sealing belt is fixedly connected in the accommodating cavity, the elastic sealing belt is fixedly connected with the cone head, and the elastic sealing belt forms a sealing in the accommodating cavity and has elasticity and does not hinder the movement of the cone head.

[0013] Preferably, the shaft head is fixedly connected with a liquid supplement pipe, the liquid supplement pipe is in communication with the inside of the accommodating cavity, a connecting hole through which the liquid supplement pipe passes is formed in the shaft sleeve, and a one-way valve is arranged in the liquid supplement pipe, so that the lubricating liquid only flows in one direction in the liquid supplement pipe and into the inside of the accommodating cavity.

[0014] Preferably, the one-way valve comprises a ring plate fixedly connected in the liquid supplement pipe, a communication opening is formed in the middle of the ring plate, a valve plate for sealing the communication opening is arranged on one side of the ring plate, a plurality of springs are connected on one side of the valve plate, and the springs are fixedly connected with the ring plate.

[0015] Preferably, a plurality of guide rods are fixedly connected on one side of the valve plate, guide holes matched with the guide rods are formed in the ring plate, a short-circuit groove is formed in the middle of the guide hole, the spring is arranged in the short-circuit groove, one end of the spring is fixedly connected with the guide rod, and the other end of the spring is fixedly connected with the ring plate.

[0016] Compared with the prior art, the advantages of the present application include:

[0017] (1) The carbon fiber transmission shaft assembly provided by the present application adds an accommodating cavity in the cross shaft to store the lubricating liquid, and when the carbon fiber transmission shaft assembly works, the centrifugal force formed when the carbon fiber transmission shaft assembly rotates can throw out the lubricating liquid, so that the carbon fiber transmission shaft assembly can also supplement the lubricating liquid when working, and the carbon fiber transmission shaft assembly does not need to be disassembled and lubricated regularly, the time required for lubricating and maintaining the carbon fiber transmission shaft assembly is reduced, and the lubricating and maintaining work efficiency of the carbon fiber transmission shaft assembly is improved.

[0018] (2) The carbon fiber transmission shaft assembly provided by the utility model stores lubricating liquid in the accommodating cavity, replaces the operation of disassembling and lubricating in the prior art, can not only reduce the time consumed by lubricating work, but also saves the steps of detecting stability and safety, and makes the lubricating and maintenance of the carbon fiber transmission shaft assembly more convenient;

[0019] (3) The carbon fiber transmission shaft assembly provided by the utility model moves the taper head in the accommodating cavity, can automatically control the amount of lubricating liquid extruded from the lubricating hole in unit time, can prevent the insufficient lubrication and lubricating liquid waste caused by too fast extrusion of lubricating liquid, and improves the lubricating and maintenance quality of the carbon fiber transmission shaft assembly. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a whole schematic view of a carbon fiber transmission shaft assembly in the utility model;

[0022] Figure 2 It is a structural schematic view of a flange fork in the utility model;

[0023] Figure 3 It is a structural connection schematic view of a transmission shaft and a cross shaft in the utility model;

[0024] Figure 4 It is a structural sectional view of a cross shaft in the utility model;

[0025] Figure 5 It is a structural sectional view of a one-way valve in the utility model;

[0026] Figure 6 It is a structural schematic view of a power port in the utility model.

[0027] Reference signs:

[0028] 1, transmission shaft body; 2, connecting shaft; 3, sliding fork; 4, flange fork; 5, flange plate; 6, side connecting column; 7, flange single piece; 8, butt joint end; 9, cross shaft; 10, shaft sleeve; 11, shaft head; 12, lubricating hole; 13, taper head; 14, electric telescopic rod; 15, elastic plugging belt; 16, ring plate; 17, guide rod; 18, spring; 19, valve plate; 20, liquid supplementing pipe; 21, power port. DETAILED DESCRIPTION

[0029] In view of the deficiencies in the prior art, the present inventors have, through long-term research and a large number of practices, come up with the technical solutions of the present application. The technical solutions, implementation process and principles thereof will be further explained in the following with reference to the drawings in the embodiments of the present application and specific implementation cases.

[0030] Embodiment 1

[0031] Please refer to Figure 1 and Figure 2 A carbon fiber transmission shaft assembly, comprising a transmission shaft body 1, a sliding fork 3 is arranged on one side of the transmission shaft body 1, a cross shaft 9 is connected to the middle part of the sliding fork 3, a shaft sleeve 10 is connected to the upper part of the cross shaft 9, a flange fork 4 is arranged on one side of the cross shaft 9, the cross shaft 9 is connected with the flange fork 4 through the shaft sleeve 10, the cross shaft 9 comprises a plurality of shaft heads 11, the shaft heads 11 are connected with the shaft sleeve 10, the number of the shaft sleeve 10 corresponds to the number of the shaft heads 11, different shaft sleeves 10 are respectively rotatably connected with the corresponding flange fork 4 or sliding fork 3 through bearings, and the shaft sleeve 10 and the shaft head 11 are connected in a sleeving manner, i.e., in a mutual insertion manner;

[0032] The shaft head 11 is provided with a containing cavity for lubricating liquid to enter, the cross-sectional area of the containing cavity gradually decreases in the direction away from the cross shaft 9, at least one lubricating hole 12 is formed in the shaft head 11, and the lubricating liquid can flow into the fitting surface between the shaft head 11 and the shaft sleeve 10 through the lubricating hole 12;

[0033] The number of the lubricating holes 12 can be determined according to actual use requirements, and the lubricating liquid is the vehicle lubricating liquid commonly used in the prior art, and the specific composition thereof will not be described in detail here.

[0034] It can be understood that the lubricating liquid used for vehicle maintenance is mostly in a solidified state, and has poor flowability when not subjected to external force traction, the fitting surface between the shaft head 11 and the shaft sleeve 10 refers to the surface that contacts and is used for transmission between the shaft head 11 and the shaft sleeve 10, the sliding fork 3 comprises a connecting shaft 2 integrally formed thereon, the connecting shaft 2 is fixedly connected with the transmission shaft body 1, the transmission shaft body 1 comprises a side connecting column 6 integrally formed thereon, two liquid supplementing pipes 20 are arranged at the end part of the side connecting column 6, an interfacing end 8 is integrally formed on the liquid supplementing pipe 20 away from the side connecting column 6, and a flange plate 5 is fixedly connected to the side of the flange fork 4 away from the transmission shaft body 1, so that the front axle and the rear axle of the vehicle chassis can be drivingly connected through the flange plate 5 and the interfacing end 8, and driving can be achieved.

[0035] In some states, for example, not to install the oil pushing assembly to the cross shaft 9, then can help carbon fiber drive shaft assembly in the work generated by the power of lubrication maintenance work, that is, in the carbon fiber drive shaft assembly work, can help carbon fiber drive shaft assembly in the work of rotation formed by the centrifugal force of the lubricating liquid, so that carbon fiber drive shaft assembly in the work can also supplement the lubricating liquid, without regular carbon fiber drive shaft assembly disassembly lubrication maintenance, reduce the carbon fiber drive shaft assembly lubrication maintenance need to consume the length of time, improve the carbon fiber drive shaft assembly lubrication maintenance work efficiency;

[0036] Please refer to Figure 3 、 Figure 4 , also includes the oil pushing assembly for pushing lubricating oil into the lubricating hole 12, the oil pushing assembly includes a plurality of tapered head 13 is arranged in the accommodation cavity, the cross shaft 9 is fixedly connected with a plurality of electric telescopic rod 14, the telescopic end of the electric telescopic rod 14 is fixedly connected with the tapered head 13, moving inside the accommodation cavity through the tapered head 13, can automatically control the amount of lubricating liquid extruded from the lubricating hole 12 inside per unit time, can prevent the lubricating liquid from being extruded too fast to cause insufficient lubrication and waste of lubricating liquid, improve the lubrication maintenance quality of carbon fiber drive shaft assembly;

[0037] And can be used as the power source of the oil pushing assembly, when the vehicle stops starting, it can also actively give lubricating oil to the carbon fiber drive shaft assembly for lubrication maintenance, improving the feasibility of carbon fiber drive shaft assembly lubrication maintenance operation;

[0038] Please refer to Figure 6 , the power supply mode of the electric telescopic rod 14 has many, for example: by adding power supply port 21 outside the cross shaft 9, after the vehicle stops moving, the electric telescopic rod 14 is powered by connecting the power supply and the power supply port 21, to support the use of electric telescopic rod 14, so as to complete the function of electric telescopic rod 14 without interfering with the movement of carbon fiber drive shaft assembly.

[0039] It can be understood that there are many ways to install the oil pushing assembly inside the cross shaft 9, for example: the cross shaft 9 is designed as two half shells, and after the oil pushing assembly is installed, the two half shells are combined to form a complete cross shaft 9.

[0040] Please refer to Figure 4 , the accommodation cavity is fixedly connected with the elastic sealing band 15, the elastic sealing band 15 is fixedly connected with the tapered head 13, and the elastic sealing band 15 is formed in the accommodation cavity. The sealing will seal the area where the tapered head 13 and the electric telescopic rod 14 are connected, so as to distinguish the space for pushing out the lubricating liquid in the accommodation cavity, and reduce the waste of lubricating liquid;

[0041] Please refer to Figure 4The shaft head 11 is fixedly connected with a liquid supplement pipe 20, the liquid supplement pipe 20 is communicated with the inside of the accommodating cavity, a connecting hole is arranged in the shaft sleeve 10 for the liquid supplement pipe 20 to pass through, a one-way valve is arranged in the liquid supplement pipe 20, so that the lubricating liquid only flows to the inside of the accommodating cavity in one direction in the liquid supplement pipe 20, the liquid supplement pipe 20 can supplement the lubricating liquid to the inside of the accommodating cavity, and can prevent the lubricating liquid from overflowing from the end surface of the shaft sleeve 10;

[0042] Please refer to Figure 4 、 Figure 5 The one-way valve comprises a ring plate 16 fixedly connected to the inside of the liquid supplement pipe 20, a communication hole is arranged in the middle of the ring plate 16, a valve plate 19 for blocking the communication hole is arranged on one side of the ring plate 16, a plurality of springs 18 are connected to one side of the valve plate 19, the springs 18 are fixedly connected to the ring plate 16, when the lubricating liquid is injected, the valve plate 19 is only needed to be moved by the pipe body to open the communication hole in the middle of the ring plate 16, and then the lubricating liquid can be injected into the inside of the accommodating cavity through the internal passage of the liquid supplement pipe 20;

[0043] A plurality of guide rods 17 are fixedly connected to one side of the valve plate 19, guide holes are arranged in the ring plate 16 and matched with the guide rods 17, a short-circuit groove is arranged in the middle of the guide hole, the spring 18 is arranged in the short-circuit groove, one end of the spring 18 is fixedly connected to the guide rod 17, and the other end of the spring 18 is fixedly connected to the ring plate 16, the movement path of the valve plate 19 can be limited by the guidance of the guide rod 17, so that a gap is avoided when the valve plate 19 is attached to the ring plate 16.

[0044] Working principle:

[0045] Before lubrication and maintenance, the lubricating liquid needs to be injected into the inside of the accommodating cavity, when the lubricating liquid is injected, the valve plate 19 is only needed to be moved by the pipe body, at this time, the spring 18 is deformed under force, the communication hole in the middle of the ring plate 16 is opened, and then the lubricating liquid can be injected into the inside of the accommodating cavity through the internal passage of the liquid supplement pipe 20, and then the pipe body for injecting the lubricating liquid is taken out, the valve plate 19 is moved and reset by the elastic force of the spring 18, at this time, the internal passage of the liquid supplement pipe 20 is closed;

[0046] When the vehicle moves, that is, when the carbon fiber transmission shaft assembly works, the lubricating liquid can be thrown out by the centrifugal force formed when the carbon fiber transmission shaft assembly rotates, so that the carbon fiber transmission shaft assembly can also supplement the lubricating liquid when working, and it is not necessary to regularly disassemble the carbon fiber transmission shaft assembly for lubrication and maintenance, in this scheme, the size and number of the lubricating holes 12 can be designed in a targeted manner, so that the lubricating effect can be achieved without affecting the normal use of the carbon fiber transmission shaft assembly;

[0047] When the vehicle needs to be lubricated and maintained, the electric telescopic rod 14 is started to push the tapered head 13 to move, and the tapered head 13 extrudes the lubricating liquid to move to the inside of the lubricating hole 12, the lubricating liquid moves to the position of the matching surface of the shaft head 11 and the shaft sleeve 10 through the lubricating hole 12, and the lubricating liquid is moved in the matching surface through the rotation of the shaft sleeve 10 to realize the lubricating treatment.

[0048] It should be understood that the above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and the specific implementation of the present application cannot be limited to these descriptions. For ordinary skilled in the art of the present application, without departing from the concept of the present application, some simple deductions or substitutions can be made, and any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A carbon fiber drive shaft assembly, comprising a drive shaft body (1), one side of the drive shaft body (1) is provided with a sliding fork (3), the middle of the sliding fork (3) is connected with a cross shaft (9), the upper of the cross shaft (9) is connected with a shaft sleeve (10), one side of the cross shaft (9) is provided with a flange fork (4), the cross shaft (9) is connected with the flange fork (4) through the shaft sleeve (10), characterized in that: The cross shaft (9) comprises a plurality of shaft heads (11) connected with the shaft sleeve (10); The shaft head (11) is provided with a containing cavity for lubricating liquid to enter, the cross section area of the containing cavity gradually decreases away from the cross shaft (9), and the shaft head (11) is provided with at least one lubricating hole (12), through which the lubricating liquid can flow into the matching surface between the shaft head (11) and the shaft sleeve (10).

2. A carbon fiber drive shaft assembly according to claim 1, characterized in that: Further comprising a lubricating oil pushing assembly for pushing lubricating oil into the lubricating hole (12), the lubricating oil pushing assembly comprises a plurality of tapered heads (13) slidingly arranged in the containing cavity, and a plurality of electric telescopic rods (14) are fixedly connected in the cross shaft (9), and the telescopic end of the electric telescopic rod (14) is fixedly connected with the tapered head (13).

3. A carbon fiber drive shaft assembly according to claim 2, characterized in that: The containing cavity is fixedly connected with an elastic sealing band (15), the elastic sealing band (15) is fixedly connected with the tapered head (13) and forms a seal in the containing cavity.

4. A carbon fiber drive shaft assembly according to claim 1, wherein: The shaft head (11) is fixedly connected with a liquid supplementing pipe (20), the liquid supplementing pipe (20) is in communication with the inside of the containing cavity, the shaft sleeve (10) is provided with a connecting hole for the liquid supplementing pipe (20) to pass through, and the liquid supplementing pipe (20) is provided with a one-way valve to enable the lubricating liquid to flow only in one direction inside the liquid supplementing pipe (20) to the inside of the containing cavity.

5. A carbon fiber drive shaft assembly according to claim 4, characterized in that: The one-way valve comprises a ring plate (16) fixedly connected inside the liquid supplementing pipe (20), a communication port is provided in the middle of the ring plate (16), a valve plate (19) for sealing the communication port is arranged on one side of the ring plate (16), a plurality of springs (18) are connected on one side of the valve plate (19), and the springs (18) are fixedly connected with the ring plate (16).

6. A carbon fiber drive shaft assembly according to claim 5, characterized in that: A plurality of guide rods (17) are fixedly connected on one side of the valve plate (19), guide holes are provided in the ring plate (16) and matched with the guide rods (17), a short-circuit groove is provided in the middle of the guide hole, the spring (18) is arranged in the short-circuit groove, one end of the spring (18) is fixedly connected with the guide rod (17), and the other end of the spring (18) is fixedly connected with the ring plate (16).

Images