CN215567843U

CN215567843U - Gear shaft capable of smoothly rotating

Info

Publication number: CN215567843U
Application number: CN202121003638.2U
Authority: CN
Inventors: 刘晓秀; 陈利玲
Original assignee: Changzhou Jiying Precision Industry Co ltd
Current assignee: Changzhou Jiying Precision Industry Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-18
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a gear shaft capable of smoothly rotating, and relates to the field of gear shafts. According to the utility model, the fixing rod, the oil blocking sleeve and the oil leakage hole are arranged, when the inner ring rotates ceaselessly, the inner ring can drive the annular groove and the oil outlet hole to rotate, when the oil outlet hole rotates to be aligned with the oil leakage hole, lubricating oil in the oil storage cavity flows between the inner ring and the outer ring through the oil outlet hole and the oil leakage hole, and when the oil outlet hole is not aligned with the oil leakage hole, the lubricating oil is blocked by the oil blocking sleeve and cannot flow between the inner ring and the outer ring, so that the lubricating oil can flow out at intervals, a large amount of lubricating oil is prevented from being accumulated between the inner ring and the outer ring, the lubricating oil can be prevented from flowing to other positions between the inner ring and the outer ring, and the waste of the lubricating oil is avoided.

Description

Gear shaft capable of smoothly rotating

Technical Field

The utility model relates to the field of gear shafts, in particular to a gear shaft capable of smoothly rotating.

Background

The gear shaft refers to a mechanical part which supports the rotating part and rotates together with the rotating part to transmit motion, torque or bending moment; according to different shapes of the axes, the shaft can be divided into a crankshaft and a straight shaft; according to the bearing condition of the shaft, the method can be divided into the following steps: the rotating shaft bears bending moment and torque during working, and is the most common shaft in machinery, such as shafts in various speed reducers.

According to the Chinese patent with the publication number of CN210920030U, a gear shaft which can smoothly rotate is disclosed, and the lubricating oil is conveniently added into the annular groove by matching the oil nozzle, the annular groove and the through groove in the utility model, so that the smoothness of the second bearing is improved; however, as the oil nozzle and the annular groove are not provided with a blocking structure, the lubricating oil in the oil nozzle can always flow into the second bearing through the annular groove, so that a large amount of lubricating oil is accumulated in the second bearing, and when the inner ring of the bearing rotates ceaselessly, part of the lubricating oil can flow out of the second bearing, thereby wasting the lubricating oil; simultaneously because the inside ball of first bearing and second bearing is not stopping rotates, lead to inside the bearing to produce more heat because of the ball friction, and because the inner circle rotates always, the heat on its surface is very easy effluvium, and the outer lane is difficult to fast effluvium because of not rotating the heat that leads to its inner wall, gets off for a long time and can influence the result of use of bearing, and can reduce the life of bearing.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a gear shaft which rotates smoothly, so as to solve the technical problems that lubricating oil added into a bearing is easy to flow out and further causes waste, and the inside of the bearing generates more heat and is difficult to quickly dissipate when the bearing rotates.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotate smooth gear shaft, includes rod cover, leads to oily subassembly, two inner circles and outer lane, the outer wall of inner circle is provided with keeps off oily subassembly, the heat-conducting plate is installed to the inner wall of outer lane, a plurality of louvres have been seted up to the outer wall of outer lane, be provided with a plurality of balls between inner circle and the outer lane, it sets up in the inside of inner circle to lead to oily subassembly.

Through adopting above-mentioned technical scheme, because of being provided with louvre and heat-conducting plate, the heat of the outer lane inner wall department of being convenient for can spill fast, and then has improved the radiating efficiency to the bearing, and keep off inside the oil component can block lubricating oil and flow into to the bearing at will, and avoid causing the waste of lubricating oil.

Furthermore, a first gear shaft rod is installed at one end of the rod sleeve, a second gear shaft rod is connected to one end of the first gear shaft rod, and the two inner rings are respectively sleeved on the outer surfaces of the first gear shaft rod and the second gear shaft rod.

Through adopting above-mentioned technical scheme, can make the pole sleeve rotate and drive first gear axostylus axostyle and rotate, first gear axostylus axostyle rotates and drives second gear axostylus axostyle and rotate, and first gear axostylus axostyle and second gear axostylus axostyle drive the inner circle and rotate when rotating.

Furthermore, the oil blocking assembly comprises an annular groove and fixing rods arranged on two sides of the outer ring, an oil blocking sleeve is fixed between the fixing rods and located inside the annular groove, and an oil leakage hole is formed in the oil blocking sleeve.

Through adopting above-mentioned technical scheme, the dead lever can fix and keep off the oil jacket, prevents to keep off the oil jacket and rotate along with the inner circle, and the inside lubricating oil accessible oil leak hole of inner circle flows into to between inner circle and the outer lane simultaneously to lubricate ball, inner circle and outer lane.

Furthermore, the thickness of the oil retaining sleeve is the same as the depth of the annular groove, and the length of the oil retaining sleeve is smaller than that of the annular groove.

Through adopting above-mentioned technical scheme, keep off the inside lubricating oil of oil jacket can block the ring channel, avoid lubricating oil to flow into the inside to inner circle and outer lane all the time to prevent that a large amount of lubricating oil from staying inside inner circle and outer lane.

Further, lead to oily subassembly including oil filler point and oil storage chamber, the sealing plug is installed through the bolt in top one side of inner circle, the oil outlet has been seted up to the inside below of inner circle, oil outlet and oil filler point all are linked together with the oil storage chamber.

Through adopting above-mentioned technical scheme, convenient to use person dismouting inner circle, convenient to use person passes through the oil filler point with lubricating oil simultaneously and adds to the oil storage intracavity portion, and the lubricating oil accessible oil outlet of oil storage intracavity portion discharges.

Furthermore, the bottom of the sealing plug is positioned in the oil filling hole, the sealing plug is matched with the oil filling hole, and the top of the sealing plug is provided with a pull ring.

Through adopting above-mentioned technical scheme, convenient to use person takes out the sealing plug from the oil filler hole or fills in the sealing plug to the oil filler hole inside through the pull ring, and the sealing plug can improve the leakproofness in oil storage chamber, prevents that the inside lubricating oil of oil storage chamber from flowing out at will.

Furthermore, the gears are sleeved on one sides of the outer surfaces of the first gear shaft rod and the second gear shaft rod, and the first gear shaft rod and the second gear shaft rod are made of carbon steel materials.

Through adopting above-mentioned technical scheme, can drive gear revolve when being convenient for first gear axostylus axostyle and second gear axostylus axostyle rotate, and because first gear axostylus axostyle and second gear axostylus axostyle all adopt carbon steel material to make and form, can improve the intensity and the compressive property of first gear axostylus axostyle and second gear axostylus axostyle to improve the life of first gear axostylus axostyle and second gear axostylus axostyle.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the fixing rod, the oil blocking sleeve and the oil leakage hole are arranged, when the inner ring rotates ceaselessly, the inner ring can drive the annular groove and the oil outlet hole to rotate, when the oil outlet hole rotates to be aligned with the oil leakage hole, lubricating oil in the oil storage cavity flows between the inner ring and the outer ring through the oil outlet hole and the oil leakage hole, and when the oil outlet hole is not aligned with the oil leakage hole, the lubricating oil is blocked by the oil blocking sleeve and cannot flow between the inner ring and the outer ring, so that the lubricating oil can flow out at intervals, a large amount of lubricating oil is prevented from being accumulated between the inner ring and the outer ring, the lubricating oil can be prevented from flowing to other positions between the inner ring and the outer ring, and the waste of the lubricating oil is avoided.

2. According to the utility model, the heat conducting plate and the heat dissipation holes are arranged, when a large amount of heat is generated at the inner wall of the outer ring, the heat conducting plate can conduct the heat to the heat dissipation holes, and the heat is dissipated through the heat dissipation holes, so that the heat dissipation efficiency of the inner wall of the outer ring is improved, the heat is prevented from accumulating around the inner wall of the outer ring, and the service life of the outer ring is prolonged.

Drawings

FIG. 1 is a schematic perspective view of a rod cover according to the present invention;

FIG. 2 is a schematic front view of the rod cover of the present invention;

FIG. 3 is a perspective view of a first gear shaft of the present invention;

FIG. 4 is a schematic side sectional view of the inner race of the present invention;

fig. 5 is a schematic view of the front section structure of the inner ring of the present invention.

In the figure: 1. a rod sleeve; 2. a gear ring; 3. a gear; 4. a first gear shaft; 5. an oil baffle assembly; 501. fixing the rod; 502. an oil retaining sleeve; 503. an annular groove; 504. an oil leak hole; 6. an inner ring; 7. an outer ring; 8. an oil feeding assembly; 801. a sealing plug; 802. an oil filler hole; 803. an oil storage chamber; 804. an oil outlet hole; 9. a ball bearing; 10. a second gear shaft; 11. a heat conducting plate; 12. and (4) heat dissipation holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A gear shaft capable of smoothly rotating is shown in figures 1-5 and comprises a rod sleeve 1, an oil passing component 8, two inner rings 6 and an outer ring 7, wherein the outer wall of each inner ring 6 is provided with an oil blocking component 5, the inner wall of each outer ring 7 is provided with a heat conducting plate 11, and the outer wall of each outer ring 7 is provided with a plurality of heat dissipation holes 12, so that heat at the inner wall of each outer ring 7 can be quickly dissipated conveniently, and the heat dissipation efficiency of a bearing is improved; a first gear shaft lever 4 is installed at one end of the rod sleeve 1, a second gear shaft lever 10 is connected to one end of the first gear shaft lever 4, and two inner rings 6 are respectively sleeved on the outer surfaces of the first gear shaft lever 4 and the second gear shaft lever 10, so that the rod sleeve 1 rotates to drive the first gear shaft lever 4 to rotate, the first gear shaft lever 4 rotates to drive the second gear shaft lever 10 to rotate, and the first gear shaft lever 4 and the second gear shaft lever 10 rotate to drive the inner rings 6 to rotate; be provided with a plurality of balls 9 between inner circle 6 and the

outer lane

7, 6 rotations of inner circle of being convenient for, logical oily subassembly 8 sets up in the inside of inner circle 6, gear 3 has all been cup jointed to surface one side of first gear axostylus axostyle 4 and second gear axostylus axostyle 10, first gear axostylus axostyle 4 and second gear axostylus axostyle 10 all adopt the carbon steel material preparation to form, can drive gear 3 when being convenient for first gear axostylus axostyle 4 and second gear axostylus axostyle 10 rotate, and because first gear axostylus axostyle 4 and second gear axostylus axostyle 10 all adopt the carbon steel material preparation to form, can improve the intensity and the compressive property of first gear axostylus axostyle 4 and second gear axostylus axostyle 10, and improve the life of first gear axostylus axostyle 4 and second gear axostylus axostyle 10.

Referring to fig. 1-5, the oil baffle assembly 5 includes an annular groove 503 and fixing rods 501 disposed at both sides of the outer ring 7, an oil baffle sleeve 502 is fixed between the fixing rods 501, and the fixing rods 501 can fix the oil baffle sleeve 502 to prevent the oil baffle sleeve 502 from rotating with the inner ring 6; the thickness of the oil blocking sleeve 502 is the same as the depth of the annular groove 503, the length of the oil blocking sleeve 502 is smaller than that of the annular groove 503, and the oil blocking sleeve 502 can block lubricating oil in the annular groove 503 to prevent the lubricating oil from flowing into the inner ring 6 and the outer ring 7 all the time, so that a large amount of lubricating oil is prevented from being accumulated in the inner ring 6 and the outer ring 7; the oil blocking sleeve 502 is positioned inside the annular groove 503, an oil leakage hole 504 is formed inside the oil blocking sleeve 502, and meanwhile lubricating oil inside the inner ring 6 can flow into a space between the inner ring 6 and the outer ring 7 through the oil leakage hole 504 so as to lubricate the balls 9, the inner ring 6 and the outer ring 7.

Referring to fig. 4-5, the oil passing assembly 8 includes an oil filling hole 802 and an oil storage cavity 803, one side of the top of the inner ring 6 is provided with a sealing plug 801 through a bolt, so that a user can conveniently disassemble and assemble the inner ring 6, and simultaneously, the user can conveniently add lubricating oil into the oil storage cavity 803 through the oil filling hole 802; the bottom of the sealing plug 801 is positioned in the oil filling hole 802, the sealing plug 801 is matched with the oil filling hole 802, the top of the sealing plug 801 is provided with a pull ring, a user can conveniently take the sealing plug 801 out of the oil filling hole 802 or plug the sealing plug 801 into the oil filling hole 802 through the pull ring, the sealing plug 801 can improve the sealing performance of the oil storage cavity 803, and lubricating oil in the oil storage cavity 803 is prevented from flowing out randomly; oil outlet 804 has been seted up to the inside below of inner circle 6, and oil outlet 804 and oil filler point 802 all are linked together with oil storage chamber 803, make things convenient for the inside lubricating oil accessible oil outlet 804 of oil storage chamber 803 to discharge.

The working principle is as follows: firstly, when the inner ring 6 rotates ceaselessly, the inner ring 6 drives the annular groove 503 and the oil outlet hole 804 to rotate, when the oil outlet hole 804 rotates to align with the oil leakage hole 504, the lubricating oil in the oil storage cavity 803 flows between the inner ring 6 and the outer ring 7 through the oil outlet hole 804 and the oil leakage hole 504, and when the oil outlet hole 804 does not align with the oil leakage hole 504, the lubricating oil is blocked by the oil blocking sleeve 502 and cannot flow between the inner ring 6 and the outer ring 7, so that the lubricating oil can flow out at intervals; when the inner wall of the outer ring 7 generates a large amount of heat due to the friction of the balls 9, the heat conducting plate 11 conducts the heat to the heat dissipating holes 12, and the heat is dissipated through the heat dissipating holes 12, so that the heat on the inner wall of the outer ring 7 can be dissipated quickly.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a smooth gear shaft rotates, includes rod cover (1), leads to oily subassembly (8), two inner circles (6) and outer lane (7), its characterized in that: the outer wall of inner circle (6) is provided with keeps off oily subassembly (5), heat-conducting plate (11) are installed to the inner wall of outer lane (7), a plurality of louvres (12) have been seted up to the outer wall of outer lane (7), be provided with a plurality of balls (9) between inner circle (6) and outer lane (7), logical oily subassembly (8) set up in the inside of inner circle (6).

2. A rotational fluid gear shaft according to claim 1, wherein: a first gear shaft rod (4) is installed at one end of the rod sleeve (1), a second gear shaft rod (10) is connected to one end of the first gear shaft rod (4), and the two inner rings (6) are respectively sleeved on the outer surfaces of the first gear shaft rod (4) and the second gear shaft rod (10).

3. A rotational fluid gear shaft according to claim 1, wherein: the oil blocking assembly (5) comprises an annular groove (503) and fixing rods (501) arranged on two sides of the outer ring (7), an oil blocking sleeve (502) is fixed between the fixing rods (501), the oil blocking sleeve (502) is located inside the annular groove (503), and an oil leakage hole (504) is formed inside the oil blocking sleeve (502).

4. A rotational fluid gear shaft according to claim 3 wherein: the thickness of the oil retaining sleeve (502) is the same as the depth of the annular groove (503), and the length of the oil retaining sleeve (502) is smaller than that of the annular groove (503).

5. A rotational fluid gear shaft according to claim 1, wherein: lead to oily subassembly (8) including oil filler point (802) and oil storage chamber (803), sealing plug (801) are installed through the bolt to top one side of inner circle (6), oil outlet (804) have been seted up to the inside below of inner circle (6), oil outlet (804) and oil filler point (802) all are linked together with oil storage chamber (803).

6. A rotational fluid gear shaft according to claim 5 wherein: the bottom of the sealing plug (801) is located inside the oil filling hole (802), the sealing plug (801) is matched with the oil filling hole (802), and the top of the sealing plug (801) is provided with a pull ring.

7. A rotational fluid gear shaft according to claim 2, wherein: the gear (3) is sleeved on one side of the outer surfaces of the first gear shaft rod (4) and the second gear shaft rod (10), and the first gear shaft rod (4) and the second gear shaft rod (10) are made of carbon steel materials.