阅读说明：本技术 一种自动供油的十字轴 (Automatic oil supply cross axle ) 是由 李源 李天清 李生根 于 2020-07-02 设计创作，主要内容包括：本发明一种自动供油的十字轴属于汽车附件领域,采用中空圆球状的轴体,在轴体的上下左右的横向及垂直线上的对称部位各设置一个圆柱形的轴头形成十字轴,在轴体的内部分别通过四个通道穿过四个轴头的中心与四个轴头顶端的油道连接,在四个轴头的外面分别安装一个圆筒状的轴皮、在轴皮的内部与轴头之间的空隙中均匀安装了圆柱形的滚针、每个轴皮与每根轴头的根部之间各安装了一个圆环形的密封圈,当传动轴带动十字轴高速旋转时产生的离心力将轴体内部的润滑油强行经四个通道甩入四个油道当中、润滑油再经油道挤入滚针的间隙当中对轴皮和轴头及滚针进行润滑。(The invention relates to a cross axle capable of automatically supplying oil, belonging to the field of automobile accessories, which adopts a hollow spherical axle body, the symmetrical parts of the horizontal and vertical lines of the shaft body are respectively provided with a cylindrical shaft head to form a cross shaft, the inside of the shaft body is respectively connected with the oil ducts at the top ends of the four shaft heads by four channels which pass through the centers of the four shaft heads, a cylindrical shaft skin is respectively arranged outside the four shaft heads, cylindrical roller pins are uniformly arranged in gaps between the inner parts of the shaft skins and the shaft heads, a circular ring-shaped sealing ring is respectively arranged between each shaft skin and the root part of each shaft head, when the transmission shaft drives the cross shaft to rotate at a high speed, centrifugal force generated by the transmission shaft drives lubricating oil in the shaft body to be thrown into the four oil channels through the four channels, and the lubricating oil is squeezed into gaps among the roller pins through the oil channels to lubricate the shaft bushing, the shaft head and the roller pins.)

1. A cross shaft capable of automatically supplying oil is characterized by comprising a shaft body, a cavity, an oil filling nozzle, a roller pin, a shaft skin, an oil seal ring, a channel, a shaft head and an oil duct;

the shaft body is in a hollow spherical shape, a spherical cavity is arranged in the shaft body, the left end, the right end, the upper end and the lower end of the shaft body are respectively provided with a cylindrical shaft head, the central lines of the four shaft heads are in a cross shape which is vertically intersected, the centers above the top ends of the four shaft heads are respectively provided with a semicircular oil duct which penetrates through the shaft heads, and the upper position, the lower position, the left position and the right position in the shaft body respectively penetrate through the centers of the corresponding shaft heads through a circular channel to be communicated with the oil ducts at the top ends of the shaft heads;

the oil injection nozzle is a cylindrical one-way valve, is arranged in front of the upper left side of the shaft body, and is internally communicated with the cavity;

the shaft skin is cylindric, has respectively set up one on four spindle nose, and the top of every shaft skin has all set up circular shape apron, has evenly set up cylindrical kingpin in the middle of the clearance between the outer fringe of the inner wall of four shaft skins and inside spindle nose separately, has respectively set up an annular oil blanket circle in the middle of the clearance between the inside of four shaft skins below and four spindle nose roots.

2. The cross axle of claim 1, wherein the two bearings on the upper and lower sides of the axle body are connected to the convex yoke, and the two bearings on the left and right sides of the axle body are connected to the riding wheel.

Technical Field

The invention relates to a cross shaft capable of automatically supplying oil, belonging to the field of automobile accessories, in particular to a cross shaft capable of automatically supplying oil.

Background

And the cross shaft is used for driving connecting parts at two ends of the transmission shaft. The cross shaft produced by the existing manufacturers for producing the transmission shaft basically adopts a cross oil supply channel, the cross shaft needs to be periodically filled with oil in the use process, and if the cross shaft is immersed in water for a long time or for a plurality of times within a specified period and runs on a muddy road for a long time, muddy water can enter grease in a roller pin gap through the gap between the cross shaft and a shaft skin to cause damage and corrosion to the roller pin. Therefore, a cross shaft capable of automatically supplying oil is needed to replace the defect that the conventional cross shaft needs regular oil filling.

Disclosure of Invention

The cross axle with automatic oil supply solves the difficulties, adopts the hollow spherical axle body, the symmetrical parts of the horizontal and vertical lines of the shaft body are respectively provided with a cylindrical shaft head to form a cross shaft, the inside of the shaft body is respectively connected with the oil ducts at the top ends of the four shaft heads by four channels which pass through the centers of the four shaft heads, a cylindrical shaft skin is respectively arranged outside the four shaft heads, cylindrical roller pins are uniformly arranged in gaps between the inner parts of the shaft skins and the shaft heads, a circular ring-shaped sealing ring is respectively arranged between each shaft skin and the root part of each shaft head, when the transmission shaft drives the cross shaft to rotate at a high speed, centrifugal force generated by the transmission shaft drives lubricating oil in the shaft body to be thrown into the four oil channels through the four channels, and the lubricating oil is squeezed into gaps among the roller pins through the oil channels to lubricate the shaft bushing, the shaft head and the roller pins.

A cross shaft capable of automatically supplying oil is characterized by comprising a shaft body, a cavity, an oil filling nozzle, a roller pin, a shaft skin, an oil seal ring, a channel, a shaft head and an oil duct;

the shaft body is in a hollow spherical shape, a spherical cavity is arranged in the shaft body, the left end, the right end, the upper end and the lower end of the shaft body are respectively provided with a cylindrical shaft head, the central lines of the four shaft heads are in a cross shape which is vertically intersected, the centers above the top ends of the four shaft heads are respectively provided with a semicircular oil duct which penetrates through the shaft heads, and the upper position, the lower position, the left position and the right position in the shaft body respectively penetrate through the centers of the corresponding shaft heads through a circular channel to be communicated with the oil ducts at the top ends of the shaft heads;

the oil injection nozzle is a cylindrical one-way valve, is arranged in front of the upper left side of the shaft body, and is internally communicated with the cavity;

the shaft skin is cylindric, has respectively set up one on four spindle nose, and the top of every shaft skin has all set up circular shape apron, has evenly set up cylindrical kingpin in the middle of the clearance between the outer fringe of the inner wall of four shaft skins and inside spindle nose separately, has respectively set up an annular oil blanket circle in the middle of the clearance between the inside of four shaft skins below and four spindle nose roots.

The upper and lower two shaft skins of the shaft body are connected with the convex fork, and the left and right shaft skins of the shaft body are connected with the riding wheel.

Has the advantages that: the cross shaft produced by the existing manufacturers for producing the transmission shaft basically adopts a cross oil supply channel, the cross shaft needs to be periodically filled with oil in the use process, and if the cross shaft is immersed in water for a long time or for a plurality of times within a specified period and runs on a muddy road for a long time, muddy water can enter grease in a roller pin gap through the gap between the cross shaft and a shaft skin to cause damage and corrosion to the roller pin. The utility model provides an automatic cross axle of fuel feeding, adopt the axis body of cavity ball form, the symmetry position on the horizontal and perpendicular line about the upper and lower of axis body respectively sets up a columniform spindle nose and forms the cross axle, pass the center of four spindle noses and the oil duct on four spindle nose tops through four passageways respectively in the inside of axis body, install a cylindric axle skin respectively in the outside of four spindle noses, evenly installed columniform kingpin in the space between the inside of axle skin and the spindle nose, respectively installed a ring shape sealing washer between the root of every axle skin and every spindle nose, centrifugal force that produces when the transmission shaft drives the cross axle high-speed rotation throws the lubricating oil of axis body inside in the middle of four oil ducts through four passageways by force, lubricating oil extrudes into in the middle of the clearance of axis skin, spindle nose and kingpin are lubricated through the oil duct again.

Drawings

FIG. 1 is a cross-sectional schematic view of an automatic oil feed cross;

FIG. 2 is a schematic cross-sectional view of a shaft body, a cavity, a nozzle, a passage, a spindle head, and an oil passage;

the marks in the above figures are a shaft body 1, a cavity 2, an oil filling nozzle 3, a roller pin 4, a shaft skin 5, an oil seal ring 6, a channel 7, a shaft head 8 and an oil duct 9.

Detailed Description

The shape and construction of the present invention will now be described in detail with reference to the accompanying drawings and reference numerals:

a cross shaft capable of automatically supplying oil is characterized by comprising a shaft body 1, a cavity 2, an oil filling nozzle 3, a roller pin 4, a shaft skin 5, an oil seal ring 6, a channel 7, a shaft head 8 and an oil duct 9;

the shaft body 1 is in a hollow spherical shape, a spherical cavity 2 is arranged in the shaft body 1, the left end, the right end, the upper end and the lower end of the shaft body 1 are respectively provided with a cylindrical shaft head 8, the central lines of the four shaft heads 8 are in a cross shape which is vertically intersected, the centers of the tops of the four shaft heads 8 are respectively provided with a semicircular oil duct 9 which penetrates through the shaft heads 8, and the upper position, the lower position, the left position and the right position in the shaft body 1 respectively penetrate through the centers of the corresponding shaft heads 8 through a circular channel 7 to be communicated with the oil ducts 9 at the tops of the shaft heads 8;

the oil injection nozzle 3 is a cylindrical one-way valve, is arranged in front of the upper left side of the shaft body 1, and is internally communicated with the cavity 2;

the shaft skin 5 is cylindrical, one shaft skin is arranged on each of the four shaft heads 8, the top end of each shaft skin 5 is provided with a circular cover plate, cylindrical roller needles 4 are uniformly arranged in gaps between the inner walls of the four shaft skins 5 and the outer edges of the respective inner shaft heads 8, and annular oil seal rings 6 are arranged in gaps between the inner parts below the four shaft skins 5 and the roots of the four shaft heads 8.

Two axle skins 5 on the upper and lower of the axle body 1 are connected with the convex fork, and two axle skins 5 on the left and right of the axle body 1 are connected with the riding wheel.

When the automatic oil supply cross shaft is used, a driver uses an oil gun to inject lubricating oil into an oil injection nozzle of the automatic oil supply cross shaft in front of and behind a transmission shaft before driving, the lubricating oil flows into a cavity through the oil injection nozzle for temporary storage, when the driver drives the cross shaft to drive at high speed and drives the transmission shaft and the automatic oil supply cross shaft to rotate at high speed, centrifugal force is generated in the cavity when the automatic oil supply cross shaft rotates at high speed, the lubricating oil in the cavity is forcibly thrown into four oil passages through the four passages by the centrifugal force, the lubricating oil is squeezed into gaps of the roller needles through the oil passages to lubricate a shaft skin, a shaft head and the roller needles, the lubricating oil entering the shaft skin is sealed in the shaft skin by a sealing ring to prevent overflowing, and the sealing ring prevents external muddy water from entering the shaft skin simultaneously and effectively prevents the muddy water from entering the shaft skin, Infringement of the shaft head and the shaft skin.

The above-mentioned non-detailed description is prior art.

The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.