TW201414917A - Oil circuit guiding device for revolving body - Google Patents

Abstract

An oil circuit guiding device for a revolving body comprises a bucket body with two ends opened, a cover combined with the bucket body, a rotating shaft rotatably inserted into the bucket body, and an anti-wear assembly arranged between the cover and a first end face of the rotating shaft. A storing annular groove is formed on the inner wall face of the bucket body; the outer wall face of the bucket body is formed with a side inlet communicated with the storing annular groove; the cover is provided with a main inlet which passes through and is communicated with the opening of the bucket body; the rotating shaft comprises a first end face close to the cover, and a second end face which is opposite to the first end face and is positioned outside the bucket body; a first guiding pipeline which corresponds to the inlet of the cover and passes through the rotating shaft, and a plurality of second guiding pipelines which are positioned beside the first guiding pipeline are formed on the rotating shaft; one of the openings of the second guiding pipelines is formed on the second end face, and the other opening is formed on the outer peripheral face of the rotating shaft and are communicated with the storing annular groove of the bucket body.

Description

Rotary body oil path guiding device

The present invention relates to an oil passage guiding device, and more particularly to a rotary body oil passage guiding device for guiding lubricating oil.

The rotary oil passage guide is generally used for lubricating a rotating device. Referring to FIG. 1 , a revolving oil passage guiding device 1 includes a barrel 11 having an open end, a cover 12 disposed at one of the openings of the barrel 11 , and a pivoting member 11 . A rotating shaft 13 connected to the rotating device, and a set of the inner liner 14 provided on the outer peripheral surface of the rotating shaft 13. A first inlet 111 is formed in the barrel 11. A second inlet 121 is formed in the cover 12. The rotating shaft 13 forms a first introduction duct 131 extending from an end surface exposed to the outside of the tub body 11 to the outer peripheral surface of the rotating shaft 13 and corresponding to the first inlet 111 of the tub body 11, a plurality of annular arrays and a through-rotation A second outlet conduit 132 that communicates with the shaft 13 and the second inlet 121 of the lid 12. The outer peripheral surface of the rotary shaft 13 forms a storage ring groove 133 that communicates with the first introduction duct 131. The inner liner 14 is sleeved on the outer peripheral surface of the rotating shaft 13 and defines a through hole 141 that communicates with the first inlet 111 and the storage ring groove 133.

In use, the first inlet 111 of the barrel 11 is pressurized, and the perforation 141 of the lubricating oil from the inner liner 14 flows into the rotating device through the first introduction duct 131 of the rotating shaft 13 due to the pressure difference to reach the oil passage guide. For the purpose, the lubricating oil in use is controlled in the first introduction duct 131 via the gap between the rotating shaft 13 and the inner liner 14 to achieve oil path guidance while allowing some microleakage to the second introduction duct 132. The first introduction duct 131 is stored by the ring groove 133. The lubricating oil can be flowed to the rotating device so that the lubricating oil can continuously flow in, but the inner hole gap of the inner liner 14 is difficult to control due to the change in the lubricating oil temperature, and the pressure of the first introduction pipe 131 is unstable. The outer diameter of the inner liner 14 is designed to be large, and the pressure of the input lubricating oil is prevented from leaking and the pressure is lost, but the inner hole of the inner liner 14 is poor in roundness and is easy to be worn and frequently replaced, thereby increasing the cost.

Accordingly, it is an object of the present invention to provide a rotary body oil passage guide for guiding lubricating oil.

Therefore, the rotary body oil passage guiding device of the present invention comprises a barrel body, a cover, a rotating shaft, an anti-wear member set, and a sealing unit.

The barrel body has a first opening and a second opening in the axial direction and communicates with each other, and the inner wall surface of the barrel forms a storage ring groove, and the outer wall surface of the barrel defines a side inlet that communicates with the storage ring groove.

The cover is coupled to the first opening of the tub and has a main inlet extending through and communicating with the first opening.

The rotating shaft is rotatably inserted into the barrel. The rotating shaft includes a first end surface adjacent to the cover, and a second end surface opposite to the first end surface and outside the barrel. The rotating shaft forms a first introduction duct corresponding to the main inlet of the cover and penetrating the rotating shaft, and at least one second introduction duct located beside the first introduction duct. One opening of the second introduction duct is opened on the second end surface and the other opening is opened on the outer peripheral surface of the rotating shaft and communicates with the storage ring groove of the barrel.

The wear resistant member set is disposed between the cover and the first end surface of the rotating shaft.

The sealing unit is coupled to the second opening of the barrel to avoid leakage.

Preferably, the wear resistant set comprises two fixing seats, and two anti-wear members. The fixing seats are respectively disposed on a side of the cover adjacent to the barrel and a first end surface of the rotating shaft. The wear members are respectively disposed on the corresponding fixing seats and abut each other. More preferably, the mounts of the wear resistant set and the wear resistant members are first inlet conduits that are annular and communicate with the main inlet of the cover and the rotating shaft.

Preferably, the outer peripheral surface of the rotating shaft is further formed with at least one side duct extending toward the center of the rotating shaft and communicating with the corresponding second introducing duct.

Preferably, the outer peripheral surface of the rotating shaft is further formed with a connecting flange portion projecting radially outward from an end portion adjacent to the second end surface and adapted to be coupled to a rotating device.

The effect of the invention is to change the main inlet setting position of the lubricating oil input so that the lubricating oil or other liquid can flow in the axial direction without interruption with a small pressure difference, and the anti-wear parts of the anti-wear group Only need to abut each other to reduce wear.

The foregoing and other technical aspects, features and advantages of the present invention will be apparent from the following description of the preferred embodiments.

Referring to Fig. 2, a preferred embodiment of the rotary body oil passage guiding device of the present invention comprises a barrel body 2, a cover 3, a rotating shaft 4, an anti-wear member set 5, and a sealing unit 6.

The barrel body 2 has a substantially hollow cylindrical shape and has a first opening 21 and a second opening 22 connected in the axial direction, and the inner wall surface of the barrel body 2 forms a storage ring groove 23, and the outer wall surface of the barrel body 2 is opened. The side inlet 24 of the storage ring groove 23 is passed.

The cover 3 is coupled to the tub 2 and has a main inlet 31 that extends through and communicates with the opening 21.

The rotary shaft 4 is rotatably inserted into the barrel 2. The rotating shaft 4 includes a first end surface 41 adjacent to the cover 3, and a second end surface 42 opposite to the first end surface 41 and located outside the barrel 2. The rotating shaft 4 forms a first introduction duct 43, a sixth second introduction duct 44, a six-sided duct 45, and a connecting flange portion 46 which extend in the longitudinal direction of the rotating shaft 4. Only two second introduction ducts 44 and two side ducts 45 are shown in FIG. The first introduction duct 43 corresponds to the main inlet 31 of the cover 3 and penetrates the rotating shaft 4. The second introduction ducts 44 are annularly arranged around the first introduction ducts 43. Each of the second introduction ducts 44 is substantially L-shaped, one of the openings is open to the second end surface 42 and the other opening is formed on the outer circumference of the rotating shaft 4. And communicating with the storage ring groove 23 of the barrel 2. The side ducts 45 extend from the outer peripheral surface of the rotating shaft 4 toward the center and communicate with the corresponding second introduction duct 44. The connecting flange portion 46 projects radially outward from the end portion of the outer peripheral surface of the rotating shaft 4 adjacent to the second end surface 42 to be coupled to a rotating device (not shown). The number of the second introduction ducts 44 in the preferred embodiment is six, but not limited thereto, and may be two, three, four, five or seven or more. The preferred embodiment may also include only one second introduction conduit 44. The number of the side ducts 45 in the preferred embodiment is six, but not limited thereto, and may be two, three, four, five or seven or more. The preferred embodiment can also Only one side duct 45 is included.

The wear resistant set 5 includes two fixing seats 51 and two anti-wear members 52. The fixing bases 51 are annular and are respectively disposed on a side of the cover 3 adjacent to the tub body 2 and a first end surface 41 of the rotating shaft 4. The wear members 52 are annular and are respectively disposed on the fixing bases 51 and abut each other. The fixing base 51 and the wear resistant members 52 communicate with the inlet 31 of the cover 3 and the first introduction duct 43 of the rotating shaft 4. The materials of the wear resistant members 52 in the preferred embodiment are ceramics that are resistant to high temperatures, wear and have no expansion problems.

The sealing unit 6 is coupled to the second opening 22 of the tub 2 to avoid leakage. In the preferred embodiment, the sealing unit 6 includes a sealing ring seat 61 disposed in the second opening 22, and a sealing ring 62 disposed in the sealing ring seat 61. However, the sealing unit 6 is not limited thereto. As long as it is combined with the second opening 22, leakage can be avoided.

In use, the pressurized lubricating oil flows in from the inlet 31 of the cover 3, flows through the fixing seats 51 of the anti-friction member group 5 and the anti-friction member 52, and then flows into the first introduction duct 43 of the rotating shaft 4, and finally guides The rotating device is connected to the connecting flange portion 46 of the rotating shaft 4; and the other oil passage guides the lubricating oil into the storage ring groove 23 via the side inlet 24 of the barrel 2, and then communicates with the storage ring groove. The second introduction ducts 44 of 23 are guided to the rotating device. It is worth mentioning that the lubricating oil portion flowing through the second introduction duct 44 flows from the side duct 45 to between the tub body 2 and the rotating shaft 4 for lubricating the tub body 2 and the rotating shaft 4. Since the lubricating oil flows in a straight line, the lubricating oil does not have to be applied to the main inlet 31 at a high pressure.

In addition, the main inlet 31 and the rotation of the cover 3 are due to the inflow of the lubricating oil. The introduction ducts 43 of the shaft 4 are maintained in communication without being disconnected due to the rotation of the rotary shaft 4, so that the wear members 52 of the anti-friction assembly 5 do not have to interfere with the interference to prevent leakage when the lubricating oil flows in. Since the pressure is applied by leakage, the wear of the wear resistant members 52 can be greatly reduced.

In summary, through the main inlet 31 of the cover 3, the side inlet 24 of the barrel 2, the wear resistant member set 5, the first introduction duct 43 of the rotating shaft 4, and the second introduction duct 44, the lubricating oil is not required. By applying high pressure, it can flow to the rotating device without interruption, and can effectively control the leakage amount and pressure stability, and reduce the wear of the wear resistant member group 5, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

2‧‧‧ barrel

21‧‧‧ first opening

22‧‧‧second opening

23‧‧‧ Storage ring slot

24‧‧‧ side entrance

3‧‧‧ cover

31‧‧‧ main entrance

4‧‧‧Rotary axis

41‧‧‧ first end face

42‧‧‧second end face

43‧‧‧First introduction pipeline

44‧‧‧Second introduction pipeline

45‧‧‧ side pipeline

46‧‧‧Connecting flange

5‧‧‧Anti-wear parts

51‧‧‧ fixed seat

52‧‧‧anti-wear parts

6‧‧‧ Sealing unit

61‧‧‧ Sealing ring seat

62‧‧‧Seal ring

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing a conventional rotary body oil passage guiding device; and Figure 2 is a cross-sectional view showing a preferred embodiment of the rotary body oil passage guiding device of the present invention.

2‧‧‧ barrel

21‧‧‧ first opening

22‧‧‧second opening

23‧‧‧ Storage ring slot

24‧‧‧ side entrance

3‧‧‧ cover

31‧‧‧ main entrance

4‧‧‧Rotary axis

41‧‧‧ first end face

42‧‧‧second end face

43‧‧‧First introduction pipeline

44‧‧‧Second introduction pipeline

45‧‧‧ side pipeline

46‧‧‧Connecting flange

5‧‧‧Anti-wear parts

51‧‧‧ fixed seat

52‧‧‧anti-wear parts

6‧‧‧ Sealing unit

61‧‧‧ Sealing ring seat

62‧‧‧Seal ring

Claims (5)

A rotary body oil passage guiding device comprises: a barrel body having a first opening and a second opening in the axial direction and communicating with each other; and the inner wall surface of the barrel forms a storage ring groove, and the barrel The outer wall surface defines a side inlet connected to the storage ring groove; a cover is coupled to the first opening of the barrel body and has a main inlet penetrating and communicating with the first opening; a rotating shaft rotatably extending into the body a rotating shaft includes a first end surface adjacent to the cover, and a second end surface opposite to the first end surface and outside the barrel, the rotating shaft forming a main entrance corresponding to the cover and extending through the rotation a first introduction duct of the shaft, and at least one second introduction duct, wherein one opening of the second introduction duct is opened at the second end surface and the other opening is opened on the outer peripheral surface of the rotating shaft and the storage ring groove of the barrel Connected; an anti-wear member set between the cover and the first end surface of the rotating shaft; and a sealing unit coupled to the second opening of the barrel to avoid leakage. The revolving body oil guiding device according to the first aspect of the invention, wherein the anti-wear member set comprises two fixing seats, and two anti-wear members, wherein the fixing seats are respectively disposed on the cover adjacent to the barrel body The side and the first end surface of the rotating shaft are respectively disposed on the corresponding fixing seats and abut each other. According to the revolving body oil passage guiding device of claim 2, wherein the fixing seats of the anti-wear member group and the anti-wear members are in a ring shape and connected The main inlet of the cover and the first inlet duct of the rotating shaft. The revolving oil passage guiding device according to the first aspect of the invention, wherein the outer peripheral surface of the rotating shaft is further formed with at least one center extending toward the rotating shaft and communicating with the corresponding second introduction duct. Side pipe. The rotary body oil passage guiding device according to claim 1, wherein the outer peripheral surface of the rotating shaft is further formed to protrude radially outward from an end portion adjacent to the second end surface to be connected to a rotating device. Connection flange portion.