CN211314890U - Wear-resistant universal joint fork for commercial vehicle - Google Patents
Wear-resistant universal joint fork for commercial vehicle Download PDFInfo
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- CN211314890U CN211314890U CN201921611978.6U CN201921611978U CN211314890U CN 211314890 U CN211314890 U CN 211314890U CN 201921611978 U CN201921611978 U CN 201921611978U CN 211314890 U CN211314890 U CN 211314890U
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Abstract
The utility model provides a wear-resistant universal joint fork of a commercial vehicle, which comprises a universal joint fork and a cross axle; the front end of the universal joint fork is movably connected with two vertical shaft rods of the cross shaft. The device universal joint fork changes roll connection into with the connected mode of cross, the roll that utilizes the ball wears transmission power, reduce the frictional force that universal joint fork and cross produced when rotating, prolong the life of universal joint fork, the serious problem of current universal joint fork and cross friction loss has been solved, the produced centrifugal force of cross is to each axostylus axostyle grease when the lithium-based lubricating grease of oil storage intracavity can be along with the motion, the grease can provide the grease lubrication to the ball between universal joint fork and the cross through the oil-out, can be instant provide the grease lubrication for universal joint fork and cross at the during operation, the problem that current universal joint fork and cross lubrication measure do not target in place has been solved, the adaptability and the practicality of the device have been improved.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, more specifically say, in particular to wear-resisting commercial car universal joint fork.
Background
The universal joint is a part for realizing variable-angle power transmission, is used for changing the position of the direction of a transmission axis, is a joint part of a universal transmission device of an automobile driving system, and is called a universal joint transmission device by combining the universal joint and a transmission shaft.
If the application number is: in CN 201220648105.4's patent, a wear-resisting universal joint fork is disclosed, including the spindle nose, the universal joint jaw be connected with the spindle nose, universal joint jaw and spindle nose forge integratively, universal joint jaw tip has the prong, its characterized in that still lies in: the periphery of the circumference of the fork hole is provided with the wear-resistant layer, so that the universal joint fork with the structure has the advantages of wear resistance and long service life.
The existing universal joint fork and the cross shaft are in sliding connection, friction force generated by sliding is large, lubricating measures are not in place, abrasion consumption of the cross shaft and the universal joint fork is serious, stability between the cross shaft and a fixing hole of the universal joint fork is reduced due to long-term use, and faults are easy to occur.
In view of the above, the present invention provides a wear-resistant universal joint yoke for a commercial vehicle, which is improved in view of the existing structure and defects, so as to achieve the purpose of being more practical.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wear-resisting commercial car universal joint fork to it is sliding connection to solve between current universal joint fork and the cross, and the frictional force that slides and produce is great, and lubrication measure is not in place, makes the wearing and tearing consumption of cross and universal joint fork serious, and long-term use can cause the steadiness between the fixed orifices of cross and universal joint fork to descend, the problem that breaks down easily.
The utility model discloses purpose and efficiency of wear-resisting commercial car universal joint fork is reached by following specific technological means:
a wear-resistant universal joint fork for a commercial vehicle comprises a universal joint fork, a dustproof plug, a cross shaft, a transmission shaft and an oil injection pipe; the back of the universal joint fork is fixedly connected to one end of a corresponding transmission device of the commercial vehicle, and the front end of the universal joint fork is movably connected with two vertical shaft rods of the cross shaft; the dustproof plug screws are screwed on the top surfaces of one ends of the four shaft levers of the cross shaft; the transmission shaft is movably connected with two horizontal shaft rods of the cross shaft; the oil injection pipe is fixedly connected to the top surface of the cross shaft, and the oil injection pipe is communicated with the inside of the cross shaft; the end part of the oil filling pipe is provided with a check device, the check device consists of a one-way plug and a spring, and the one-way plug penetrates through an installation body at the end part of the oil filling pipe; the spring is movably connected between the one-way plug and the mounting body.
Furthermore, semicircular grooves are formed in fork holes of the universal joint fork and the transmission shaft, and balls are arranged in the grooves.
Furthermore, one end of the one-way plug is internally provided with a closed pipeline, and through holes are formed in two sides of the closed end of the pipeline.
Furthermore, an oil storage cavity is formed in the cross shaft, an oil outlet communicated with the oil storage cavity is formed in the end portion of the shaft rod of the cross shaft, and 8 oil outlets are formed in each shaft rod.
Furthermore, the oil body in the oil storage cavity is lithium-based lubricating grease.
Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the connection mode of the universal joint fork and the cross shaft of the device is changed into rolling connection, power is transmitted by rolling of the balls, friction force generated when the universal joint fork and the cross shaft rotate is reduced, the service life of the universal joint fork is prolonged, the problem that the friction loss of the existing universal joint fork and the cross shaft is serious is solved, and the durability of the device is improved.
And secondly, the lithium-based lubricating grease is thickened grease with medium viscosity, has the characteristics of good water resistance, mechanical stability, rust resistance, oxidation stability and the like, and avoids unnecessary waste caused by leakage of the grease through an oil outlet while lubricating and maintaining the device.
Furthermore, the grease can be carried to each axostylus axostyle along with the produced centrifugal force of cross axle when the lithium base lubricating grease of oil storage intracavity can be along with the motion, the grease can provide the grease lubrication to the ball between universal joint fork and the cross axle through the oil-out, can be instant at the during operation provide the grease lubrication for universal joint fork and cross axle, perfect the lubrication measure between universal joint fork and the cross axle, solved the problem that current universal joint fork and cross axle lubrication measure do not target in place, improved the device's adaptability and practicality.
The design of the dustproof plug also avoids dust or gravel from entering the connecting part of the cross shaft and the universal joint fork to rub and damage the inner ball, the cross shaft and the universal joint fork, and further enhances the durability of the device in use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the split structure of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the present invention.
Fig. 4 is a schematic structural view of the one-way plug of the present invention.
Fig. 5 is an enlarged schematic structural view of a portion a of the present invention.
Fig. 6 is an enlarged schematic structural diagram of the part B of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a universal joint yoke; 2. a dust plug; 3. a cross shaft; 4. a drive shaft; 5. an oil filling pipe; 101. a groove; 301. an oil storage chamber; 302. an oil outlet; 501. a one-way plug; 502. a spring;
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides a wear-resistant universal joint fork of a commercial vehicle, which comprises a universal joint fork 1, a dustproof plug 2, a cross shaft 3, a transmission shaft 4 and an oil injection pipe 5; the back of the universal joint fork 1 is fixedly connected to one end of a corresponding transmission device of the commercial vehicle, and the front end of the universal joint fork 1 is movably connected with two vertical shaft rods of the cross shaft 3; the dustproof plug 2 is screwed on the top surfaces of one ends of four shaft levers of the cross shaft 3; the transmission shaft 4 is movably connected with two horizontal shaft rods of the cross shaft 3; the oil injection pipe 5 is fixedly connected to the top surface of the cross shaft 3, and the oil injection pipe 5 is communicated with the inside of the cross shaft 3; the end part of the oil filling pipe 5 is provided with a check device, the check device consists of a one-way plug 501 and a spring 502, and the one-way plug 501 penetrates through an installation body 503 at the end part of the oil filling pipe 5; the spring 502 is movably connected between the one-way plug 501 and the mounting body 503.
Wherein, be equipped with semicircular recess 101 in the fork hole of universal joint fork 1 and transmission shaft 4, and be equipped with the ball in the recess 101, as shown in fig. 2 and fig. 5, change the connected mode between universal joint fork 1 and the cross 3 into rolling connection, reduced the frictional force that universal joint fork 1 and cross 3 produced at the during operation, reduced the friction loss, improved the durability of the device, solved current universal joint fork 1 and cross 3 friction loss serious problem.
Wherein, the one-way plug 501 is internally provided with a pipeline with one closed end, and two sides of the closed end of the pipeline are provided with through holes, as shown in fig. 4, the movement direction of the internal grease is limited, so that the internal grease cannot flow backwards.
Wherein, 3 inside oil storage chamber 301 that is equipped with of cross 3, the axostylus axostyle tip of cross 3 is equipped with the oil-out 302 that link up with oil storage chamber 301, and oil-out 302 is equipped with 8 on every axostylus axostyle, as shown in figure 2 and figure 5, when the device during operation, the centrifugal force of production passes through oil-out 302 immediately with inside grease and provides the lubrication action for universal joint fork 1 and cross 3's connection position, has perfected the lubricating measure of device, has solved the problem that current universal joint fork 1 and cross 3 lubricating measure do not target in place, has improved the practicality and the adaptability of the device.
The oil body in the oil storage cavity 301 is lithium-based lubricating grease with medium viscosity, so that the oil in the oil storage cavity is prevented from leaking through the oil outlet 302 to cause unnecessary waste in a static state.
The specific use mode and function of the embodiment are as follows:
in the utility model, lithium-based lubricating grease is filled into the oil storage cavity 301 inside the cross shaft 3 through the corresponding oil filling device through the oil filling pipe 5 until the oil outlet 302 of the shaft lever of the cross shaft 3 is overflowed, the cross shaft 3 is movably connected with the horizontal line shaft lever of the transmission shaft 4 of the automobile, after the back of the universal joint fork 1 is fixedly connected with the corresponding transmission device of the automobile, the fork hole of the universal joint fork 1 is movably connected with the vertical shaft lever of the cross shaft 3, finally the dustproof plug 2 is screwed on the top surface of the end part of each shaft lever of the cross shaft 3, the device is installed, when the device works, the universal joint fork 1, the cross shaft 3 and the transmission shaft 4 are in rolling connection, the friction force is reduced, and under the action of the centrifugal force generated by the device, the lithium-based lubricating grease in the oil storage cavity 301 in the cross shaft 3, grease lubrication is provided to the connection part of the universal joint fork 1, the cross shaft 3 and the transmission shaft 4 through the oil outlet 302, so that friction loss is reduced.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a wear-resisting commercial car universal joint fork which characterized in that: the wear-resistant universal joint fork for the commercial vehicle comprises a universal joint fork (1), a dust plug (2), a cross shaft (3), a transmission shaft (4) and an oil injection pipe (5); the back of the universal joint fork (1) is fixedly connected to one end of a corresponding transmission device of the commercial vehicle, and the front end of the universal joint fork (1) is movably connected with two vertical shaft rods of the cross shaft (3); the dustproof plug (2) is screwed on the top surfaces of one ends of the four shaft levers of the cross shaft (3) through screws; the transmission shaft (4) is movably connected with two horizontal shaft rods of the cross shaft (3); the oil injection pipe (5) is fixedly connected to the top surface of the cross shaft (3), and the oil injection pipe (5) is communicated with the inside of the cross shaft (3); the end part of the oil filling pipe (5) is provided with a check device, the check device consists of a one-way plug (501) and a spring (502), and the one-way plug (501) penetrates through an installation body (503) at the end part of the oil filling pipe (5); the spring (502) is movably connected between the one-way plug (501) and the mounting body (503).
2. The wear resistant commercial vehicle yoke as recited in claim 1 wherein: semicircular grooves (101) are formed in fork holes of the universal joint fork (1) and the transmission shaft (4), and balls are arranged in the grooves (101).
3. The wear resistant commercial vehicle yoke as recited in claim 1 wherein: one end of the one-way plug (501) is provided with a closed pipeline, and through holes are formed in two sides of the closed end of the pipeline.
4. The wear resistant commercial vehicle yoke as recited in claim 1 wherein: an oil storage cavity (301) is formed in the cross shaft (3), an oil outlet (302) communicated with the oil storage cavity (301) is formed in the end portion of the shaft rod of the cross shaft (3), and 8 oil outlets (302) are formed in each shaft rod.
5. The wear resistant commercial vehicle yoke as recited in claim 4 wherein: the oil body in the oil storage cavity (301) is lithium-based lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611978.6U CN211314890U (en) | 2019-09-26 | 2019-09-26 | Wear-resistant universal joint fork for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611978.6U CN211314890U (en) | 2019-09-26 | 2019-09-26 | Wear-resistant universal joint fork for commercial vehicle |
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| Publication Number | Publication Date |
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| CN211314890U true CN211314890U (en) | 2020-08-21 |
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| CN201921611978.6U Active CN211314890U (en) | 2019-09-26 | 2019-09-26 | Wear-resistant universal joint fork for commercial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776718A (en) * | 2022-06-21 | 2022-07-22 | 天津龙创恒盛实业有限公司 | Universal coupling for loom |
-
2019
- 2019-09-26 CN CN201921611978.6U patent/CN211314890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776718A (en) * | 2022-06-21 | 2022-07-22 | 天津龙创恒盛实业有限公司 | Universal coupling for loom |
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Address after: 442000 No. 911, floor 9, Guorui Xicheng Tianjie office building, No. 9, Kaixuan Avenue, Checheng road street, Zhangwan District, Shiyan City, Hubei Province Patentee after: Hubei Junxiang intelligent IOT Co.,Ltd. Address before: No.4482, Beijian Road, shiwuyan District, Hubei Province Patentee before: Hubei Junxiang Information Technology Co.,Ltd. |
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