CN213394052U

CN213394052U - High-pressure-resistant rotary joint device

Info

Publication number: CN213394052U
Application number: CN202022378809.1U
Authority: CN
Inventors: 刘海峰; 张文汉
Original assignee: Wuxi Heshen Machinery Technology Co ltd
Current assignee: Wuxi Heshen Machinery Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a high pressure resistant rotary joint device belongs to hydraulic apparatus technical field, a high pressure resistant rotary joint device, including the rotation axis, first inlet port has been seted up to the inside of rotation axis, the one end fixed mounting of first inlet port has first O to encircle, the second inlet port has been seted up to the inside of rotation axis, the one end fixed mounting of second inlet port has second O to encircle, the surface of rotation axis is pegged graft and is had the casing, first bearing has been cup jointed to the one end of casing, one side of first bearing is provided with first axle card, shells inner wall's one end is provided with first glary circle, the inner wall of casing is provided with second glary circle, shells inner wall's the other end is provided with third glary circle. The utility model discloses can bear higher oil pressure, have higher transmission efficiency, be provided with bearing and glary circle between rotation axis and the casing, make its operation nimble, the friction torque is little, and the leakproofness is strong.

Description

High-pressure-resistant rotary joint device

Technical Field

The utility model relates to a hydraulic pressure apparatus technical field especially relates to a high pressure resistant rotary joint device.

Background

The rotary joint is a rotary mechanical sealing device, is a fixed pipeline transmission medium, uses the medium of the rotary joint to comprise water, heat conduction oil, hydraulic oil and cooling liquid, and is widely applied to equipment such as a rotary worktable of a machining center, engineering machinery, a large-scale hydraulic workstation, a coiling machine, hydraulic machinery, a multi-channel high-pressure controller and the like.

At present, the transmission speed is greatly increased in order to improve the production efficiency, and the transmission pressure of a medium is correspondingly increased, so that the original common rotating device is easy to wear, short in service life, and frequent in replacement, and liquid leaks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the rotary joint is easy to wear and tear and the sealing performance is not strong in the prior art, and providing a high pressure resistant rotary joint device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high pressure resistant rotary joint device comprises a rotary shaft, a first oil inlet hole is arranged inside the rotary shaft, a first O-shaped ring is fixedly arranged at one end of the first oil inlet, a second oil inlet is arranged inside the rotating shaft, a second O-shaped ring is fixedly arranged at one end of the second oil inlet hole, a shell is inserted on the outer surface of the rotating shaft, one end of the shell is sleeved with a first bearing, one side of the first bearing is provided with a first shaft clamp, one end of the inner wall of the shell is provided with a first GREEN ring, the inner wall of the shell is provided with a second GREEN ring, the other end of the inner wall of the shell is provided with a third Glare ring, the other end of the shell is sleeved with a second bearing, one side of the second bearing is provided with a hole clamp, one side of the second bearing close to the hole clamp is provided with a second shaft clamp, and both sides of the shell are provided with inner thread holes.

Preferably, the number of the first Gray ring, the second Gray ring and the third Gray ring is two, and the first Gray ring, the second Gray ring and the third Gray ring are all sleeved with the rotating shaft.

Preferably, one end of the rotating shaft is provided with six through holes.

Preferably, the inner wall of the shell is provided with a groove, and two ends of the groove extend to the inner part of the inner thread hole.

Preferably, the shell is rotatably connected with the rotating shaft through a bearing, and the inner walls of the first shaft clamp and the second shaft clamp are both sleeved with the rotating shaft.

Preferably, the outer surface of the rotating shaft is provided with a wear-resistant coating, and the rotating shaft and the shell are both made of alloy steel.

Compared with the prior art, the utility model provides a high pressure resistant rotary joint device possesses following beneficial effect:

1. the utility model discloses, through setting up the inlet port, the one end of inlet port is furnished with 0 type circle, and hydraulic oil is followed the one end input of rotation axis inlet port, and hydraulic oil is through first inlet port and second inlet port, and last hydraulic oil flows from the interior silk mouth department that corresponds, and rotation axis and casing adopt the alloy steel through thermal treatment, make it can bear higher oil pressure, therefore transmission efficiency has obtained the promotion.

2. The utility model discloses, through setting up the glary circle, six glary circles that have shared between rotation axis and the casing are sealed, and glary circle sealing performance is strong, and the sealing washer can not turn on one's side and leak under high pressure resistant and the high pressure, and the wear-resisting coating that the surface of rotation axis set up has promoted wear resistance, is provided with two bearings between rotation axis and the casing for frictional force between rotation axis and the casing reduces, has promoted rotation performance, has consequently increased life.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can bear higher oil pressure, have higher transmission efficiency, be provided with bearing and glary circle between rotation axis and the casing, it is little to have frictional force, characteristics that the leakproofness is strong.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the bottom view of the present invention.

In the figure: 1. a rotating shaft; 2. a first bearing; 3. a first shaft clamp; 4. a first Glare circle; 5. a housing; 6. a second Gray circle; 7. a third Gray circle; 8. a second bearing; 9. hole clamping; 10. a second shaft clamp; 11. a second O-ring; 12. a first O-ring; 13. a through hole; 14. a first oil inlet hole; 15. an internal thread hole; 16. and a second oil inlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high pressure resistant rotary joint device, including a rotating shaft 1, one end of the rotating shaft 1 is provided with through holes 13, the number of the through holes 13 is six, the inside of the rotating shaft 1 is provided with a first oil inlet 14, one end of the first oil inlet 14 is fixedly provided with a first O-ring 12, the inside of the rotating shaft 1 is provided with a second oil inlet 16, one end of the second oil inlet 16 is fixedly provided with a second O-ring 11, hydraulic oil is input from one end of the oil inlet of the rotating shaft 1, the outer surface of the rotating shaft 1 is inserted with a housing 5, the outer surface of the rotating shaft 1 is provided with a wear-resistant coating, so as to improve the wear-resistant performance, the rotating shaft 1 and the housing 5 are made of alloy steel, so as to be capable of bearing higher oil pressure, one end of the housing 5 is sleeved with a first bearing 2, one side of the first bearing 2 is, the inner wall of the shell 5 is provided with a second GREEN ring 6, the other end of the inner wall of the shell 5 is provided with a third GREEN ring 7, the number of the first GREEN ring 4, the second GREEN ring 6 and the third GREEN ring 7 is two, the first GREEN ring 4, the second GREEN ring 6 and the third GREEN ring 7 are all sleeved with the rotating shaft 1, six GREEN rings are used together, the GREEN rings are high in sealing performance and resistant to high pressure and prevent the sealing ring from side turning and leakage under high pressure, the other end of the shell 5 is sleeved with a second bearing 8, the friction torque between the rotating shaft 1 and the shell 5 is reduced by the bearing, the rotating performance is improved, the service life is prolonged, one side of the second bearing 8 is provided with a hole clamp 9, one side of the second bearing 8 close to the hole clamp 9 is provided with a second bearing 10, the hole clamp 9 and the second bearing 10 enable the second bearing 8 to be fixed between the shell, the inner wall of first axle card 3 and second axle card 10 all cup joints with rotation axis 1, and interior silk hole 15 has all been seted up to the both sides of casing 5, and the inner wall of casing 5 is seted up slottedly, and the both ends in groove all extend to the inside in silk hole 15, and hydraulic oil is through first inlet port 14 and second inlet port 16, and hydraulic oil flows from the interior silk hole 15 department that corresponds at last.

The utility model discloses in, through setting up the inlet port, the one end of inlet port is furnished with 0 type circle, hydraulic oil is followed the one end input of 1 inlet port of rotation axis, hydraulic oil is through first inlet port 14 and second inlet port 16, last hydraulic oil flows from the interior silk hole 15 that corresponds, rotation axis 1 and casing 5 adopt the alloy steel through thermal treatment, make it can bear higher oil pressure, therefore transmission efficiency has obtained the promotion, six glary circles that have shared between rotation axis 1 and the casing 5 seal, glary circle sealing performance is strong, the sealing washer can not turn on one's side and leak under high pressure and the high pressure, the wear-resistant coating that rotation axis 1's surface set up has improved wear resistance, be provided with two bearings between rotation axis 1 and the casing 5, make the frictional force between rotation axis 1 and the casing 5 reduce, the rotation performance has been promoted, consequently, service life has been increased.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high pressure resistant rotary joint device, includes rotation axis (1), its characterized in that: a first oil inlet hole (14) is formed in the rotating shaft (1), a first O-shaped ring (12) is fixedly mounted at one end of the first oil inlet hole (14), a second oil inlet hole (16) is formed in the rotating shaft (1), a second O-shaped ring (11) is fixedly mounted at one end of the second oil inlet hole (16), a shell (5) is inserted into the outer surface of the rotating shaft (1), a first bearing (2) is sleeved at one end of the shell (5), a first shaft clamp (3) is arranged at one side of the first bearing (2), a first GREL ring (4) is arranged at one end of the inner wall of the shell (5), a second GREL ring (6) is arranged on the inner wall of the shell (5), a third GREL ring (7) is arranged at the other end of the inner wall of the shell (5), and a second bearing (8) is sleeved at the other end of the shell (5), one side of the second bearing (8) is provided with a hole clamp (9), one side of the second bearing (8) close to the hole clamp (9) is provided with a second shaft clamp (10), and both sides of the shell (5) are provided with inner thread holes (15).

2. A high pressure resistant swivel arrangement as claimed in claim 1, wherein: the number of the first GREEN rings (4), the number of the second GREEN rings (6) and the number of the third GREEN rings (7) are two, and the first GREEN rings (4), the second GREEN rings (6) and the third GREEN rings (7) are all sleeved with the rotating shaft (1).

3. A high pressure resistant swivel arrangement as claimed in claim 1, wherein: through-hole (13) have been seted up to the one end of rotation axis (1), the quantity of through-hole (13) is six.

4. A high pressure resistant swivel arrangement as claimed in claim 1, wherein: the inner wall of the shell (5) is provided with a groove, and two ends of the groove extend into the inner wire hole (15).

5. A high pressure resistant swivel arrangement as claimed in claim 1, wherein: the shell (5) is rotatably connected with the rotating shaft (1) through a bearing, and the inner walls of the first shaft clamp (3) and the second shaft clamp (10) are both sleeved with the rotating shaft.

6. A high pressure resistant swivel arrangement as claimed in claim 1, wherein: the outer surface of the rotating shaft (1) is provided with a wear-resistant coating, and the rotating shaft (1) and the shell (5) are both made of alloy steel.