CN220228272U - Multi-channel positive-negative pressure rotary air slip ring - Google Patents
Multi-channel positive-negative pressure rotary air slip ring Download PDFInfo
- Publication number
- CN220228272U CN220228272U CN202321742328.1U CN202321742328U CN220228272U CN 220228272 U CN220228272 U CN 220228272U CN 202321742328 U CN202321742328 U CN 202321742328U CN 220228272 U CN220228272 U CN 220228272U
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- rotating shaft
- outer shell
- slip ring
- twelve
- air
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- 238000007789 sealing Methods 0.000 abstract description 23
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
The utility model provides a multi-channel positive and negative pressure rotary gas slip ring, relates to the technical field of slip rings, and solves the problems that the existing gas slip ring is large in torsion, and the service life of the gas slip ring is influenced due to the fact that a sealing ring is easily damaged, and comprises a rotating shaft; a bearing is fixedly arranged between the outer side of the right end of the rotating shaft and the inner wall of the right side of the outer shell; a total of thirteen seal groove positions are arranged on the inner wall of the outer shell; the inner sides of the thirteen seal groove positions are respectively provided with a seal ring; twelve air channels are also formed in the inner wall of the outer shell; twelve air inlets are formed in the front side and the rear side of the outer shell; twelve air outlet holes are formed in the rotating shaft. The device adopts the shell layered structure to design the groove position of the sealing ring, so that the specification of the sealing ring at the right half part is reduced, the contact surface of the sealing ring and the rotating shaft can be reduced, and the torsion of the slip ring is reduced, so that the service life of the slip ring can be prolonged.
Description
Technical Field
The utility model belongs to the technical field of slip rings, and particularly relates to a multi-channel positive and negative pressure rotary gas slip ring.
Background
The gas slip ring is a three hundred sixty degree rotary device capable of being communicated with various gases and liquids, and is also called a rotary joint, and is mainly assembled by a rotary shaft, an outer shell, a bearing and a sealing ring, wherein sealing elements are used for isolating each passage, the rotary shaft is fixed on a rotary module of equipment and can rotate along with the equipment, and the gas slip ring is generally widely applied to automation, packaging machinery, rotary tables, robots, medical equipment and the like and is a common precise pneumatic element.
The rotating shaft of the existing gas slip ring is provided with annular grooves, the annular grooves are used for installing the sealing rings, lubricating oil is smeared on the sealing rings to realize tightness when the gas slip ring is used, but in such a mode, the rotating contact surface of the sealing rings is arranged on the outer ring of the sealing rings, the contact area is large, the rotating torque force of the slip ring is large, and therefore the rotating friction degree of the rotating shaft and the inner cavity of the outer shell is high, the sealing rings and the cavity are easy to damage, so that gas leakage is caused, and the service life of the gas slip ring is influenced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a multi-channel positive and negative pressure rotary gas slip ring, which aims to solve the problems that the existing gas slip ring is large in torsion, and the sealing ring is easy to damage to cause gas leakage, so that the service life of the gas slip ring is influenced.
The utility model discloses a multi-channel positive and negative pressure rotary gas slip ring, which is characterized by comprising the following specific technical means:
a multi-channel positive and negative pressure rotary air slip ring comprises a rotary shaft; an outer shell is rotatably arranged on the outer side of the rotating shaft; a bearing is fixedly arranged between the outer side of the right end of the rotating shaft and the inner wall of the right side of the outer shell; a total of thirteen seal groove positions are arranged on the inner wall of the outer shell; the inner sides of the thirteen seal groove positions are respectively provided with a seal ring; twelve air channels are also formed in the inner wall of the outer shell; twelve air inlets are formed in the front side and the rear side of the outer shell; twelve air outlet holes are formed in the rotating shaft.
Furthermore, the air inlets are all staggered front and back, and the twelve air inlets are respectively communicated with the twelve air channels.
Furthermore, the air outlet holes are annularly arranged in a circular plate at the left side of the rotating shaft, twelve circular holes are formed in the outer side of the main body part of the rotating shaft, and the twelve circular holes are respectively communicated with the twelve air outlet holes.
Further, the main body part of the rotating shaft positioned at the inner side of the outer shell is of a two-section structure, the left Duan Cu section and the right section of the main body part of the rotating shaft are thin, the cylindrical hole at the inner side of the outer shell is also divided into two sections, and the inner diameters of the cylindrical hole correspond to the outer diameters of the two sections of the rotating shaft respectively.
Further, twelve round holes on the outer side of the main body part of the rotating shaft are respectively positioned in twelve air channels on the inner side of the outer shell when the rotating shaft is in running fit with the outer shell.
Further, the gas channels are all annular grooves, six gas channels are located on the inner side of the thick cylindrical hole on the inner side of the outer shell, and the other six gas channels are located on the inner side of the thin cylindrical hole on the inner side of the outer shell.
Compared with the prior art, the utility model has the following beneficial effects:
the rotary shaft and the cylindrical groove in the outer shell are of a sectional structure, the right half part of the rotary shaft is thinner in size, and the sealing groove for installing the sealing ring is positioned in the outer shell.
Drawings
Fig. 1 is a schematic view of a spindle side structure of the present utility model, in which both a rotary shaft and an outer housing are cut.
Fig. 2 is a schematic diagram of a spindle side structure of the present utility model.
Fig. 3 is a schematic view of the spindle side structure of the outer case of the present utility model in section.
Fig. 4 is a schematic diagram of a spindle side structure of the rotary shaft of the present utility model.
Fig. 5 is a schematic view of a spindle side structure of the rotary shaft of the present utility model cut away.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a rotation shaft; 2. an outer housing; 3. a bearing; 4. sealing the groove position; 5. a seal ring; 6. a gas passage; 7. an air inlet hole; 8. and an air outlet hole.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
as shown in fig. 1 to 5:
the utility model provides a multi-channel positive and negative pressure rotary gas slip ring, which comprises a rotary shaft 1; the outer side of the rotating shaft 1 is rotatably provided with an outer shell 2, the rotating shaft 1 is fixedly connected with a rotating part of the equipment, the rotating shaft 1 can rotate relative to the outer shell 2 when in use, meanwhile, the equipment can be supplied by virtue of an air outlet hole 8 in the rotating shaft, and the outer shell 2 can be fixedly connected with a static part of the equipment when in installation, so that the outer shell 2 can stably rotate and support the rotating shaft 1; a bearing 3 is fixedly arranged between the outer side of the right end of the rotating shaft 1 and the right inner wall of the outer shell 2, and the bearing 3 is used for rotationally connecting the right end of the rotating shaft 1 with the right side of the inner part of the outer shell 2, so that the right end of the rotating shaft 1 can stably rotate in the outer shell 2 under the support of the bearing 3 when rotating, friction force can be reduced, and the rotating shaft 1 is prevented from shaking; a total of thirteen seal groove positions 4 are arranged on the inner wall of the outer shell 2, and the seal groove positions 4 are used for fixing a seal ring 5; the inner sides of the thirteen seal groove positions 4 are respectively provided with a seal ring 5, the seal rings 5 are used for separating the twelve air channels 6, and when the rotating shaft 1 rotates relative to the outer shell 2, the inner sides of the seal rings 5 are also clung to the outer wall of the main body part of the rotating shaft 1, so that the twelve air inlets 7, the twelve air channels 6 and the twelve air outlets 8 can conduct independent air guide; twelve air channels 6 are further arranged on the inner wall of the outer shell 2, the air channels 6 are used for communicating air inlets 7 with air outlets 8, positive and negative air is firstly led into the annular air channels 6 through the air inlets 7 by an external air inlet pipe when the device is used, and round holes on the outer side of the main body part of the rotating shaft 1 are always rotated in the annular air channels 6 when the rotating shaft 1 rotates, so that the positive and negative air in the air channels 6 can be led into equipment through the round holes on the outer side of the main body part of the rotating shaft 1 and the air outlets 8 to realize air supply; twelve air inlets 7 are arranged on the front side and the rear side of the outer shell 2, the air inlets 7 can be connected with an external air inlet pipe when the device is installed, and positive and negative pressure air can be introduced into the annular air channel 6 through the air inlets 7 by the external air inlet pipe when the device is used; twelve air outlet holes 8 are formed in the rotating shaft 1, and when the rotating shaft 1 rotates, a round hole on the outer side of the main body part of the rotating shaft always rotates in the annular air channel 6, so that positive and negative air in the air channel 6 can be led into the equipment through the round hole on the outer side of the main body part of the rotating shaft 1 and the air outlet holes 8 to realize air supply; the air outlet holes 8 are annularly arranged in a circular plate at the left side of the rotary shaft 1, twelve circular holes are formed in the outer side of the main body part of the rotary shaft 1 and are respectively communicated with the twelve air outlet holes 8, positive and negative air is firstly led into the annular air channel 6 through the air inlet holes 7 by an external air inlet pipe when the device is used, and the circular holes in the outer side of the main body part of the rotary shaft 1 can always rotate in the annular air channel 6 when the rotary shaft 1 rotates, so that the positive and negative air in the air channel 6 can be led into equipment through the circular holes in the outer side of the main body part of the rotary shaft 1 and the air outlet holes 8 to realize air supply.
The air inlets 7 are all arranged in a front-back staggered manner, the twelve air inlets 7 are respectively communicated with the twelve air channels 6, the air inlets 7 can be connected with an external air inlet pipe during installation, positive and negative air can be led into the annular air channels 6 through the air inlets 7 by the external air inlet pipe when the device is used, and the positions of the air channels 6 communicated with the inner sides of the device are easier to determine because the air inlets 7 are arranged in the front-back staggered manner.
The main body part of the rotating shaft 1 inside the outer casing 2 is of a two-section structure, the left Duan Cu and right sections of the main body part of the rotating shaft 1 are thin, the cylindrical hole inside the outer casing 2 is also divided into two sections, and the inner diameters of the cylindrical hole correspond to the outer diameters of the two sections of the rotating shaft 1, so that the main body part of the rotating shaft 1 can be in running fit with the cylindrical hole inside the outer casing 2, and the diameter of the right side part of the rotating shaft 1 is smaller, so that the contact area between the sealing ring 5 and the outer wall of the main body part of the rotating shaft 1 can be reduced, and friction can be reduced.
Wherein, twelve round holes on the outer side of the main body part of the rotary shaft 1 are respectively positioned in twelve air channels 6 on the inner side of the outer shell 2 when the rotary shaft 1 is in running fit with the outer shell 2, so that the round holes on the outer side of the main body part of the rotary shaft 1 always rotate in the annular air channels 6 when the rotary shaft 1 rotates, and positive and negative air in the air channels 6 can be led into the equipment through the round holes on the outer side of the main body part of the rotary shaft 1 and the air outlet holes 8 to realize air supply.
The air channels 6 are annular grooves, six air channels 6 are located on the inner side of the inner side thick cylindrical hole of the outer shell 2, six air channels 6 are located on the inner side of the inner side thin cylindrical hole of the outer shell 2, positive and negative air is firstly guided into the annular air channels 6 through the air inlet holes 7 by the outer air inlet pipe when the device is used, and round holes on the outer side of the main body part of the rotating shaft 1 can always rotate in the annular air channels 6 when the rotating shaft 1 rotates, so that the positive and negative air in the air channels 6 can be guided into equipment through the round holes on the outer side of the main body part of the rotating shaft 1 and the air outlet holes 8 to realize air supply.
Embodiment two:
as shown in fig. 1 to 5:
the inner wall right angle department at seal groove position 4 of shell body 2 inboard all rounds, can make seal groove position 4 and sealing washer 5 laminating inseparabler like this, increases the area of contact of sealing washer 5 and shell body 2 inner wall simultaneously, and sealed effect is better.
Working principle: according to the utility model, when the device is assembled, the sealing ring 5 is firstly arranged on the sealing groove 4 at the inner side of the outer shell 2, the sealing ring 5 can separate twelve air channels 6, when the rotating shaft 1 rotates relative to the outer shell 2, the inner side of the sealing ring 5 is also closely attached to the outer wall of the main body part of the rotating shaft 1, so that twelve air inlets 7, twelve air channels 6 and twelve air outlets 8 can be used for independently guiding air, the bearing 3 is assembled on the bearing position at the right side of the inner part of the outer shell 2, the right end of the rotating shaft 1 can stably rotate in the outer shell 2 under the support of the bearing 3 when the rotating shaft 1 rotates, friction force can be reduced, the rotating shaft 1 is prevented from shaking, then the surface of the sealing ring 5 arranged on the surface of the rotating shaft 1 and the inner side of the outer shell 2 is uniformly coated, the rotating shaft 1 is slowly arranged into the outer shell 2, the rotating shaft 1 is fixed in place by using the clamping springs, the outer shell 2 can be fixedly connected with the static part of equipment when the rotating shaft, the outer shell 2 can be stably rotatably supported by the rotating shaft, meanwhile, the rotating shaft 1 can be fixedly connected with the static part of the equipment, and the air inlets 6 can be fixedly arranged in the outer side of the outer shell 1 through the air inlets 6, and the air inlets 6 when the air inlets are fixedly arranged in the outer part of the outer shell 1, and the air inlet part of the air inlet device can be fixedly connected with the air inlet hole through the air inlet 6.
Claims (6)
1. A multi-channel positive and negative pressure rotary gas slip ring is characterized in that: the multi-channel positive and negative pressure rotary gas slip ring comprises: a rotating shaft (1); an outer shell (2) is rotatably arranged on the outer side of the rotating shaft (1); a bearing (3) is fixedly arranged between the outer side of the right end of the rotating shaft (1) and the inner wall of the right side of the outer shell (2); a total of thirteen seal groove positions (4) are arranged on the inner wall of the outer shell (2); the inner sides of the thirteen seal groove positions (4) are respectively provided with a seal ring (5); twelve air channels (6) are also arranged on the inner wall of the outer shell (2); twelve air inlets (7) are formed in the front side and the rear side of the outer shell (2); twelve air outlet holes (8) are formed in the rotating shaft (1).
2. The multi-channel positive and negative pressure rotary gas slip ring of claim 1, wherein: the main body part of the rotating shaft (1) positioned at the inner side of the outer shell (2) is of a two-section structure, the left Duan Cu and right sections of the main body part of the rotating shaft (1) are thin, the cylindrical hole at the inner side of the outer shell (2) is also divided into two sections, and the inner diameters of the cylindrical hole correspond to the outer diameters of the two sections of the rotating shaft (1) respectively.
3. The multi-channel positive and negative pressure rotary gas slip ring of claim 1, wherein: the air channels (6) are all annular grooves, wherein six air channels (6) are positioned on the inner side of the thick cylindrical hole on the inner side of the outer shell (2), and the other six air channels (6) are positioned on the inner side of the thin cylindrical hole on the inner side of the outer shell (2).
4. The multi-channel positive and negative pressure rotary gas slip ring of claim 1, wherein: the air inlets (7) are all staggered front and back, and the twelve air inlets (7) are respectively communicated with the twelve air channels (6).
5. The multi-channel positive and negative pressure rotary gas slip ring of claim 1, wherein: the air outlet holes (8) are annularly arranged in a circular plate at the left side of the rotating shaft (1), twelve circular holes are formed in the outer side of the main body part of the rotating shaft (1), and the twelve circular holes are respectively communicated with the twelve air outlet holes (8).
6. The multi-channel positive and negative pressure rotary gas slip ring of claim 1, wherein: twelve round holes on the outer side of the main body part of the rotating shaft (1) are respectively positioned in twelve air channels (6) on the inner side of the outer shell (2) when the rotating shaft (1) is in running fit with the outer shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742328.1U CN220228272U (en) | 2023-07-05 | 2023-07-05 | Multi-channel positive-negative pressure rotary air slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321742328.1U CN220228272U (en) | 2023-07-05 | 2023-07-05 | Multi-channel positive-negative pressure rotary air slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220228272U true CN220228272U (en) | 2023-12-22 |
Family
ID=89182012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321742328.1U Active CN220228272U (en) | 2023-07-05 | 2023-07-05 | Multi-channel positive-negative pressure rotary air slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220228272U (en) |
-
2023
- 2023-07-05 CN CN202321742328.1U patent/CN220228272U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |