阅读说明：本技术 一种便于润滑的齿轮传动轴 (Gear transmission shaft convenient to lubricate ) 是由 王金波 张国良 于 2020-08-13 设计创作，主要内容包括：本发明公开了一种便于润滑的齿轮传动轴,包括传动齿轮和主轴,所述传动齿轮设置于所述主轴中部外侧,所述传动齿轮内侧设置有储存腔,所述储存腔外侧的所述传动齿轮上环绕设置有多组容置腔,该容置腔远离所述主轴一侧设置有排油孔；所述主轴内部沿其长度方向延伸有中空供油腔。有益效果在于：本发明通过在齿轮轴内部设置添加润滑油的供油腔,通过连通供油腔的齿轮内置储存腔向轮齿位置供油,通过齿轮转动过程中的离心作用将作为阻挡封闭结构的钢珠开启,以在齿轮转动过程中实现自动润滑补油,无需手动抹油,以及无需将传动箱体拆开进行维护,提高操作便捷性,实用性强。(The invention discloses a gear transmission shaft convenient for lubrication, which comprises a transmission gear and a main shaft, wherein the transmission gear is arranged on the outer side of the middle part of the main shaft, a storage cavity is arranged on the inner side of the transmission gear, a plurality of groups of accommodating cavities are arranged on the transmission gear on the outer side of the storage cavity in a surrounding manner, and an oil discharge hole is formed in one side, away from the main shaft, of each accommodating cavity; a hollow oil supply cavity extends in the main shaft along the length direction of the main shaft. Has the advantages that: according to the invention, the oil supply cavity added with lubricating oil is arranged in the gear shaft, the oil is supplied to the gear tooth position through the gear built-in storage cavity communicated with the oil supply cavity, and the steel ball serving as a blocking closed structure is opened under the centrifugal action in the gear rotating process, so that automatic lubrication and oil supplement are realized in the gear rotating process, manual oil wiping is not needed, the transmission box body is not needed to be disassembled for maintenance, the operation convenience is improved, and the practicability is strong.)

1. The utility model provides a gear drive shaft convenient to it is lubricated which characterized in that: the oil-gas separator comprises a transmission gear (1) and a main shaft (2), wherein the transmission gear (1) is arranged on the outer side of the middle part of the main shaft (2), a storage cavity (101) is arranged on the inner side of the transmission gear (1), a plurality of groups of accommodating cavities (102) are arranged on the transmission gear (1) on the outer side of the storage cavity (101) in an encircling manner, and an oil discharge hole (103) is formed in one side, away from the main shaft (2), of each accommodating cavity (102);

the hollow oil supply cavity (201) extends in the main shaft (2) along the length direction, a plurality of oil supply channels (202) are arranged around the main shaft (2) on the outer side of the oil supply cavity (201), and the oil supply cavity (201) is communicated with the storage cavity (101) through the oil supply channels (202).

2. A gear drive shaft for facilitating lubrication according to claim 1, wherein: an oil inlet hole (106) is communicated between the accommodating cavity (102) and the storage cavity (101), a steel ball (105) is arranged at one end, close to the oil inlet hole (106), in the accommodating cavity (102), a spring (104) is arranged in the accommodating cavity (102) on the outer side of the steel ball (105), and the end part of the inner side of the spring (104) is tightly propped against the steel ball (105).

3. A gear drive shaft for facilitating lubrication according to claim 2, wherein: the diameter of the steel ball (105) is equal to the outer diameter of the spring (104) and is larger than the diameter of the oil inlet hole (106), and one end of the accommodating cavity (102) close to the oil inlet hole (106) is gathered inwards to form an arc-shaped structure attached to the outer wall of the steel ball (105).

4. A gear drive shaft for facilitating lubrication according to claim 1, wherein: the main shaft (2) on one side of the transmission gear (1) is sleeved with a sealing cover (3), the sealing cover (3) is tightly abutted to the outer sides of the storage cavity (101) and the accommodating cavity (102), and the sealing cover (3) is in interference fit with the main shaft (2).

5. The gear drive shaft facilitating lubrication of claim 4, wherein: the transmission gear (1) between two adjacent groups of the accommodating cavities (102) is provided with a mounting hole (107), and one side, away from the transmission gear (1), of the closed cover (3) is provided with a plurality of mounting bolts (301) corresponding to the mounting hole (107).

6. The gear drive shaft facilitating lubrication of claim 5, wherein: the mounting bolt (301) transversely penetrates through the sealing cover (3), the mounting bolt (301) is in threaded fit with the mounting hole (107), and the sealing cover (3) is tightly abutted to the transmission gear (1) through the mounting bolt (301).

7. The gear drive shaft facilitating lubrication of claim 4, wherein: the sealing cover (3) is far away from one side of the transmission gear (1), a sealing ring (4) is arranged on the main shaft (2), the sealing ring (4) is of a silica gel annular structure, and the sealing ring (4) is fixedly bonded with the outer side of the sealing cover (3).

8. The gear drive shaft facilitating lubrication of claim 7, wherein: the main shaft (2) is close to sealing washer (4) one end is provided with auxiliary assembly (5), and this auxiliary assembly (5) include discoid knob (501), knob (501) outside is encircleed and is provided with many anti-skidding grooves (501 a) that transversely extend.

9. A gear drive shaft for facilitating lubrication according to claim 8, wherein: knob (501) are close to main shaft (2) one side is provided with end cap (502), end cap (502) are cylindric structure, and this end cap (502) stretch into in supplying oil chamber (201), just end cap (502) with supply oil chamber (201) screw-thread fit.

10. A gear drive shaft for facilitating lubrication according to claim 9, wherein: keep away from main shaft (2) auxiliary assembly (5) one end is provided with connecting axle (6), and this connecting axle (6) are kept away from main shaft (2) one end is provided with driven shaft (8), and this driven shaft (8) openly center is provided with keyway (801), just connecting axle (6) with main shaft (2) middle part all is provided with bearing (7).

Technical Field

The invention relates to the field of gear transmission mechanisms, in particular to a gear transmission shaft convenient to lubricate.

Background

Gear shaft refers to a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment. Generally in the form of a metal round bar, the sections may have different diameters, and the gear parts of the machine which perform a rotary motion are mounted on the shaft. Gear drives are one of the common forms of mechanical drives. In various forms of gearing, friction conditions exist between the teeth of the gears from the start of gear engagement to disengagement. The gear transmission shaft needs to regularly lubricate and maintain the gear in the using process so as to avoid gear damage caused by forced meshing abrasion of the gear.

The applicant finds that at least the following technical problems exist in the prior art: the lubricated operation of gear drive shaft who uses at present is that maintainer directly smears oil to the gear, and the homogeneity of oiling is ensured to the rotating gear axle simultaneously, and partial gear load is higher, and manual rotation is more difficult, and partial gear shaft installs inside transmission box, need unpack the box apart and maintain the gear, complex operation, and the practicality is poor.

Disclosure of Invention

The invention aims to solve the problems and provide a gear transmission shaft convenient to lubricate, wherein an oil supply cavity added with lubricating oil is arranged in a gear shaft, oil is supplied to the position of a gear tooth through a gear built-in storage cavity communicated with the oil supply cavity, and a steel ball serving as a blocking closed structure is opened through the centrifugal action in the gear rotating process, so that automatic lubrication and oil supplement are realized in the gear rotating process, manual oil wiping is not needed, a transmission box body is not needed to be disassembled for maintenance, the operation convenience is improved, the practicability is strong, and the details are explained in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a gear transmission shaft convenient for lubrication, which comprises a transmission gear and a main shaft, wherein the transmission gear is arranged on the outer side of the middle part of the main shaft, a storage cavity is arranged on the inner side of the transmission gear, a plurality of groups of accommodating cavities are arranged on the transmission gear on the outer side of the storage cavity in a surrounding manner, and an oil discharge hole is formed in one side, away from the main shaft, of each accommodating cavity;

the main shaft is internally provided with a hollow oil supply cavity extending along the length direction, a plurality of oil supply channels are arranged around the main shaft outside the oil supply cavity, and the oil supply cavity is communicated with the storage cavity through the oil supply channels.

When the gear teeth of the transmission gear need to be lubricated in the using process, the knob at the end part of the main shaft is screwed down to relieve the sealing effect of the plug on the oil supply cavity, then lubricating oil is injected into the oil supply cavity, then the end part of the main shaft is sealed again through the auxiliary assembly, then the main shaft and the transmission gear are supported to rotate through two groups of bearings, the lubricating oil in the oil supply cavity of the main shaft enters the storage cavity along the oil supply channel, the steel ball compresses the spring under the rotating centrifugal effect to relieve the sealing effect of the steel ball on the oil inlet, then the lubricating oil in the storage cavity enters the accommodating cavity through the oil inlet, and is guided out to the gear teeth through the oil outlet at the outer side of the accommodating cavity, so that the lubricating process of the gear is realized, when the rotating action of the transmission gear stops and is in a static state, the spring presses the steel balls to tightly press the oil inlet hole so as to seal the oil inlet hole through the steel balls, and therefore, the lubricating oil in the main shaft is prevented from leaking and losing to the lower portion of the transmission gear through the storage cavity close to the lower portion in the static state of the transmission gear.

Preferably, an oil inlet is communicated between the accommodating cavity and the storage cavity, a steel ball is arranged at one end, close to the oil inlet, of the accommodating cavity, a spring is arranged in the accommodating cavity outside the steel ball, and the end of the inner side of the spring is abutted against the steel ball.

Preferably, the diameter of the steel ball is equal to the outer diameter of the spring and is larger than the diameter of the oil inlet hole, and one end, close to the oil inlet hole, of the accommodating cavity is gathered inwards to form an arc-shaped structure attached to the outer wall of the steel ball.

Preferably, a sealing cover is sleeved on the main shaft on one side of the transmission gear, the sealing cover is tightly abutted to the outer sides of the storage cavity and the accommodating cavity, and the sealing cover is in interference fit with the main shaft.

Preferably, a mounting hole is formed in the transmission gear between every two adjacent groups of the accommodating cavities, and a plurality of mounting bolts are arranged on one side, away from the transmission gear, of the sealing cover corresponding to the mounting hole.

Preferably, the mounting bolt transversely penetrates through the sealing cover, the mounting bolt is in threaded fit with the mounting hole, and the sealing cover is abutted against the transmission gear through the mounting bolt.

Preferably, a sealing ring is arranged on the main shaft on one side, far away from the transmission gear, of the sealing cover, the sealing ring is of a silica gel annular structure, and the sealing ring is fixedly bonded with the outer side of the sealing cover.

Preferably, an auxiliary assembly is arranged at one end, close to the sealing ring, of the main shaft, and the auxiliary assembly comprises a disc-shaped knob, and a plurality of transversely extending anti-slip grooves are arranged on the outer side of the knob in a surrounding mode.

Preferably, a plug is arranged on one side, close to the main shaft, of the knob, the plug is of a cylindrical structure and extends into the oil supply cavity, and the plug is in threaded fit with the oil supply cavity.

Preferably, one end, far away from the auxiliary assembly, of the main shaft is provided with a connecting shaft, one end, far away from the main shaft, of the connecting shaft is provided with a driven shaft, the center of the front face of the driven shaft is provided with a key groove, and bearings are arranged in the middle of the connecting shaft and the middle of the main shaft.

Has the advantages that: according to the invention, the oil supply cavity added with lubricating oil is arranged in the gear shaft, the oil is supplied to the gear tooth position through the gear built-in storage cavity communicated with the oil supply cavity, and the steel ball serving as a blocking closed structure is opened under the centrifugal action in the gear rotating process, so that automatic lubrication and oil supplement are realized in the gear rotating process, manual oil wiping is not needed, the transmission box body is not needed to be disassembled for maintenance, the operation convenience is improved, and the practicability is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a left side view structural view of a transmission gear of the present invention;

FIG. 3 is a left side sectional view of the drive gear of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at A;

fig. 5 is a front view structural view of the auxiliary assembly of the present invention.

The reference numerals are explained below:

1. a transmission gear; 101. a storage chamber; 102. an accommodating cavity; 103. an oil drain hole; 104. a spring; 105. steel balls; 106. an oil inlet hole; 107. mounting holes; 2. a main shaft; 201. an oil supply chamber; 202. an oil supply passage; 3. a closure cap; 301. installing a bolt; 4. a seal ring; 5. an auxiliary component; 501. a knob; 501a, an anti-slip groove; 502. a plug; 6. a connecting shaft; 7. a bearing; 8. a driven shaft; 801. a keyway.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 5, the invention provides a gear transmission shaft convenient for lubrication, which includes a transmission gear 1 and a main shaft 2, wherein the transmission gear 1 is arranged outside the middle of the main shaft 2, the transmission gear 1 and the main shaft 2 are integrally formed, a storage cavity 101 is arranged inside the transmission gear 1, a plurality of groups of accommodating cavities 102 are arranged around the transmission gear 1 outside the storage cavity 101, and an oil discharge hole 103 is arranged on one side of the accommodating cavity 102 away from the main shaft 2.

A hollow oil supply cavity 201 extends along the length direction of the main shaft 2, a plurality of oil supply channels 202 are arranged around the main shaft 2 outside the oil supply cavity 201, and the oil supply cavity 201 is communicated with the storage cavity 101 through the oil supply channels 202.

As an optional implementation manner, an oil inlet 106 is communicated between the accommodating cavity 102 and the storage cavity 101, a steel ball 105 is disposed in the accommodating cavity 102 near one end of the oil inlet 106, a spring 104 is disposed in the accommodating cavity 102 outside the steel ball 105, an end of the inner side of the spring 104 abuts against the steel ball 105, a diameter of the steel ball 105 is equal to an outer diameter of the spring 104 and is larger than that of the oil inlet 106, and one end of the accommodating cavity 102 near the oil inlet 106 is gathered inward to form an arc structure fitting an outer wall of the steel ball 105, so as to improve a fitting tightness between the accommodating cavity 102 and the steel ball 105.

The main shaft 2 on one side of the transmission gear 1 is sleeved with the sealing cover 3, the sealing cover 3 is abutted to the outer sides of the storage cavity 101 and the containing cavity 102, the sealing cover 3 is in interference fit with the main shaft 2, the mounting hole 107 is formed in the transmission gear 1 between the two adjacent groups of containing cavities 102, one side, away from the transmission gear 1, of the sealing cover 3 is provided with a plurality of mounting bolts 301 corresponding to the mounting hole 107, the mounting bolts 301 transversely penetrate through the sealing cover 3, the mounting bolts 301 are in threaded fit with the mounting holes 107, the sealing cover 3 is abutted to the transmission gear 1 through the mounting bolts 301, a sealing ring 4 is arranged on the main shaft 2, away from one side of the transmission gear 1, of the sealing cover 3, the sealing ring 4 is of a silica gel ring structure.

Main shaft 2 is close to 4 one ends of sealing washer and is provided with auxiliary assembly 5, this auxiliary assembly 5 includes discoid knob 501, knob 501 outside is encircleed and is provided with many anti-skidding grooves 501a that transversely extend, knob 501 is close to 2 one sides of main shaft and is provided with end cap 502, end cap 502 is the cylindric structure, this end cap 502 stretches into in supplying oil chamber 201, and end cap 502 and the threaded fit of supplying oil chamber 201, seal supplying oil chamber 201 opening with sealing through end cap 502, 2 one ends of keeping away from auxiliary assembly are provided with connecting axle 6 for main shaft 2 of main shaft 6, 2 one end of this connecting axle 6 is kept away from is provided with driven shaft 8, 8 positive centers of this driven shaft are provided with keyway 801, driven shaft 8 carries out the transmission through this keyway 801 and is connected with external power transmission equipment, and connecting axle 6 and.

By adopting the structure, when the gear teeth of the transmission gear 1 need to be lubricated in the using process, the knob 501 at the end part of the main shaft 2 is screwed down to relieve the sealing effect of the plug 502 on the oil supply cavity 201, then lubricating oil is injected into the oil supply cavity 201, then the end part of the main shaft 2 is sealed again through the auxiliary component 5, then the main shaft 2 and the transmission gear 1 are supported to rotate through the two groups of bearings 7, the lubricating oil in the oil supply cavity 201 of the main shaft 2 enters the storage cavity 101 along the oil supply channel 202, the steel ball 105 compresses the spring 104 under the rotating centrifugal effect to relieve the sealing effect of the steel ball 105 on the oil inlet hole 106, then the lubricating oil in the storage cavity 101 enters the accommodating cavity 102 through the oil inlet hole 106 and is led out to the gear teeth position through the oil outlet hole 103 outside the accommodating cavity 102, the lubricating process of the gear is realized, when the transmission gear 1 is in a static state under the, the spring 104 presses the steel ball 105 to tightly press the oil inlet hole 106 so as to seal the oil inlet hole 106 through the steel ball 105, thereby preventing the lubricating oil in the main shaft 2 from leaking and losing to the lower part of the transmission gear 1 through the storage cavity 101 close to the lower part under the static state of the transmission gear 1;

through the inside oil feeding chamber 201 that sets up the additive lubricating oil of gear shaft, store chamber 101 to the fuel feeding of teeth of a cogwheel position through the gear built-in of intercommunication oil feeding chamber 201, will open as blocking enclosed construction's steel ball 105 through the centrifugal action of gear revolve in-process to realize the automatic lubrication oil supplementing at the gear revolve in-process, need not manual oil smearing, and need not to unpack the transmission box apart and maintain, improve the simple operation nature, the practicality is strong.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.