CN116696950B - High-tightness bearing gland - Google Patents
High-tightness bearing gland Download PDFInfo
- Publication number
- CN116696950B CN116696950B CN202310979668.4A CN202310979668A CN116696950B CN 116696950 B CN116696950 B CN 116696950B CN 202310979668 A CN202310979668 A CN 202310979668A CN 116696950 B CN116696950 B CN 116696950B
- Authority
- CN
- China
- Prior art keywords
- bearing
- frame
- sealing ring
- shaft
- oil storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000003921 oil Substances 0.000 claims description 68
- 239000010687 lubricating oil Substances 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
Abstract
The application discloses a high-tightness bearing gland, which belongs to the technical field of bearing glands and comprises a shell, wherein the shell is sleeved on a shaft and fixedly connected with a bearing seat through a bolt, the shell abuts against the excircle of the bearing, and one end inside the shell is provided with a sealing ring; the sealing ring is sleeved on the shaft; the first fixing frame is fixedly arranged at the middle position of one side of the centrifugal cylinder; a second fixed frame is arranged on the other side of the centrifugal cylinder, and the second fixed frame and the first fixed frame are symmetrically arranged; the other end of the push-pull frame penetrates through the guide sleeve and is movably connected with the piston ring; the piston ring is sleeved inside the oil storage ring; according to the application, the centrifugal force generated by rotation of the shaft is utilized to push the sealing ring to seal the contact part of the bearing gland and the shaft again, so that dynamic seal is formed, the condition that the sealing is not tight due to vibration of the bearing gland in the continuous rotation process of the shaft is prevented, the external impurities are prevented from invading the rolling cavity of the bearing to influence the lubrication effect, and the service life of the bearing is prolonged.
Description
Technical Field
The application belongs to the technical field of bearing caps, and particularly relates to a high-tightness bearing cap.
Background
The bearing gland generally acts to fix the bearing, prevent the bearing from being damaged by axial movement, and prevent lubricating oil from leaking out and dust and other foreign matters from entering and exiting the bearing body.
In the use process of the existing bearing sealing end cover, the bearing sealing end cover is also continuously vibrated in the rotating process of the shaft, sealing is not tight easily, lubricating oil leaks out, dust and other foreign matters enter and exit the bearing body to cause poor lubrication effect, the bearing cannot be sufficiently lubricated, the service life of the bearing is shortened, friction in the bearing is increased to generate high temperature under high-speed running, a bearing retainer is damaged, balls deform and shift, the inner ring and the outer ring of the bearing are not concentric, and then failure occurs.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the application is to provide a high-tightness bearing gland.
The technical scheme adopted for solving the technical problems is as follows: the high-tightness bearing gland comprises a shell, wherein the shell is sleeved on a shaft and fixedly connected with a bearing seat through a bolt, the shell abuts against the outer circle of the bearing, and a sealing ring is arranged at one end inside the shell; the sealing ring is sleeved on the shaft; the two ends of the sealing ring, which are close to one side of the bearing, are both connected with a first fixed frame in a sliding manner, and are movably connected with a first pulling frame; the first fixing frame is fixedly arranged at the middle position of one side of the centrifugal cylinder; a second fixed frame is arranged on the other side of the centrifugal cylinder, and the second fixed frame and the first fixed frame are symmetrically arranged; the bottom end of the centrifugal cylinder is arranged on the shaft; the middle position of the other end of the first pulling frame is movably connected with the outer side of the two end parts of the first pulling frame, and the first pulling frame and the second pulling frame are symmetrically arranged; the inner sides of the two end parts of the pulling frame are movably connected with the top ends of the telescopic rods; the bottom end of the telescopic rod is sleeved with a spring and is arranged in the centrifugal barrel; the lower surface of the bottom end of the telescopic rod is propped against the bottom end inside the centrifugal cylinder; one end of the spring is propped against the top end of the inside of the centrifugal cylinder, and the other end of the spring is propped against the upper surface of the bottom end of the telescopic rod; the second pulling frame is far away from the two sides of the end part of the telescopic rod, and is movably connected with the two sides of the end part of the push-pull frame, and the middle position of the end part is in sliding connection with the second fixed frame; the other end of the push-pull frame penetrates through the guide sleeve and is movably connected with the piston ring; the piston ring is sleeved inside the oil storage ring.
According to a further technical scheme, the shell is provided with a circular groove matched with the sealing ring.
The application further adopts the technical scheme that a groove I matched with the sealing ring I is formed in the middle of the outer circumferential surface of the sealing ring.
The further technical scheme of the application is that a second groove matched with the sealing ring is formed in the middle of the inner circumferential surface of the sealing ring.
The further technical scheme of the application is that the two ends of the sealing ring, which are close to one side of the shaft, are symmetrically provided with supporting frames; the support frame is connected with the fixed frame in a sliding way and is movably connected with the pulling frame in a moving way; the bottom end of the centrifugal cylinder penetrates through the supporting frame to be fixedly installed on the shaft.
The further technical scheme of the application is that a pressurizing cylinder is arranged between the sealing ring and the supporting frame; a pressurizing spring is arranged in the pressurizing cylinder; one end of the pressurizing spring is propped against the sealing ring; the other end of the pressurizing spring is propped against one end of the supporting frame inserted into the pressurizing cylinder.
The further technical scheme of the application is that an oil storage cavity is arranged inside the oil storage ring; the top end of the oil storage cavity is communicated with an oil injection hole on the shell; the two ends of the oil storage cavity, which are close to one side of the bearing, are communicated with the oil outlet pipe.
The further technical scheme of the application is that the top end of the oil storage cavity is communicated with the oil filling hole through a one-way valve; the lubricating oil can only be sucked into the oil storage cavity from the oil filling hole and cannot flow out reversely.
According to the further technical scheme, the oil storage cavity is communicated with the oil outlet pipe through the one-way valve, so that lubricating oil can only be sprayed out of the oil outlet pipe and cannot be reversely sucked into the oil storage cavity from the oil outlet pipe.
The beneficial effects of the application are as follows:
1. according to the high-tightness bearing gland provided by the application, the centrifugal force generated by rotation of the shaft is utilized to push the sealing ring to seal the contact part of the bearing gland and the shaft again, so that dynamic seal is formed, the tightness of the bearing gland is further improved, the condition that the sealing of the bearing gland is not tight due to vibration in the continuous rotation process of the shaft is prevented, the external impurities are prevented from invading into the bearing rolling cavity to influence the lubrication effect, and the service life of the bearing is prolonged.
2. According to the high-tightness bearing gland, when the shaft rotates and works, the lubricating oil of the oil storage ring is sprayed into the bearing rolling cavity by utilizing the centrifugal force while in dynamic sealing, so that the bearing is fully lubricated by supplementing the lubricating oil in time, the problem that the bearing is poorly lubricated under high-speed running, so that the friction in the bearing is increased to generate high temperature, the bearing retainer is damaged, the balls deform and shift, and the inner ring and the outer ring of the bearing are not concentric and are invalid is avoided; after the shaft stops working, centrifugal force disappears, the inside of the oil storage ring is filled with lubricating oil again under the action of the spring, preparation is made for bearing lubrication during the next working, the inside of the oil storage ring can be supplemented with lubricating oil through adjusting the rotating speed of the shaft, when the rotating speed is changed from high speed to low speed, the centrifugal force becomes small, the spring rebounds to pull the piston, so that the lubricating oil is sucked into the oil storage ring, when the rotating speed is increased from low speed to high speed, the centrifugal force becomes large, the compression spring pushes the piston to enable the lubricating oil to be sprayed onto the bearing from the oil storage ring, and the bearing working for a long time is timely supplemented with the lubricating oil without stopping.
Drawings
Fig. 1 is a schematic perspective view of a high-tightness bearing cover according to the present application.
Fig. 2 is a schematic view partially in section of the perspective structure of the high-tightness bearing cover of the present application.
Fig. 3 is a schematic perspective view of the inside of the housing 1 of the high-tightness bearing cover of the present application.
Fig. 4 is a partial cross-sectional view of A-A in fig. 3.
Figure 5 is a view of the use of the inventive high tightness bearing gland fitted on the bearing 4 and the shaft 15.
In the figure:
a housing 1; a seal ring 2; groove one 21; a first seal ring 22; groove two 23; a second sealing ring 24; a support frame 25; a pressurizing cylinder 251; a pressing spring 252; a bearing seat 3; a bearing 4; a first fixed frame 5; pulling the first frame 6; a telescopic rod 7; a spring 8; a centrifuge bowl 9; a second frame 10 is fixed; pulling the second frame 11; a push-pull frame 12; a piston ring 13; an oil storage ring 14; an oil storage chamber 141; a shaft 15; a guide sleeve 16; a circular groove 17; an oil filler hole 18; and an oil outlet pipe 19.
Detailed Description
The application is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the application, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the application correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present application and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Embodiment one:
the application relates to a high-tightness bearing cover, which belongs to the technical field of bearing covers, and more particularly relates to a high-tightness bearing cover, and the high-tightness bearing cover comprises a shell 1, wherein the shell 1 is sleeved on a shaft 15 and fixedly connected with a bearing seat 3 through a bolt, the shell 1 abuts against the excircle of a bearing 4, and one end inside the shell 1 is provided with a sealing ring 2; the sealing ring 2 is sleeved on the shaft 15; the two ends of one side, close to the bearing 4, of the sealing ring 2 are both connected with a fixed frame I5 in a sliding manner, and are movably connected with a pulling frame I6; the first fixing frame 5 is fixedly arranged at the middle position of one side of the centrifugal cylinder 9; the other side of the centrifugal cylinder 9 is provided with a fixed frame II 10, and the fixed frame II 10 and the fixed frame I5 are symmetrically arranged; the bottom end of the centrifugal cylinder 9 is arranged on the shaft 15; the middle position of the other end of the first pulling frame 6 is movably connected with the outer side of the end part of the second pulling frame 11, and the first pulling frame 6 and the second pulling frame 11 are symmetrically arranged; the inner side of the end part of the second pulling frame 11 is movably connected with the top end of the telescopic rod 7; the bottom end of the telescopic rod 7 is sleeved with a spring 8 and is arranged in the centrifugal barrel 9; the lower surface of the bottom end of the telescopic rod 7 is propped against the bottom end inside the centrifugal cylinder 9; one end of the spring 8 is propped against the top end of the inside of the centrifugal cylinder 9, and the other end is propped against the upper surface of the bottom end of the telescopic rod 7; the two sides of the end part of the second pulling frame 11 far away from the telescopic rod 7 are movably connected with the two sides of the end part of the push-pull frame 12, and the middle position of the end part is in sliding connection with the second fixed frame 10; the other end of the push-pull frame 12 passes through a guide sleeve 16 and is movably connected with the piston ring 13; the piston ring 13 is sleeved inside the oil storage ring 14.
The specific working flow is as follows: when the shaft rotates to work, the telescopic rod 7 compresses the spring 8 to move under the action of centrifugal force, so that the first pulling frame 6 and the second pulling frame 11 are pulled simultaneously, the first pulling frame 6 drives one end of the sealing ring 2 to slide on the first fixing frame 5, so that the sealing ring 2 is pushed to seal the contact part of the bearing cover and the shaft again, dynamic seal is formed, the tightness of the bearing cover is further improved, the condition that the sealing of the bearing cover is not tight due to vibration in the continuous rotating process of the shaft is prevented, the external impurities are prevented from invading into a bearing rolling cavity to influence the lubrication effect, and the service life of the bearing is prolonged; the second pulling frame 11 drives one end of the push-pull frame 12 to slide on the second fixed frame 10, so that the other end of the push-pull frame 12 pushes the piston ring 13, lubricating oil in the oil storage ring 14 is sprayed into the bearing rolling cavity, the bearing is timely supplemented with the lubricating oil to be fully lubricated, the bearing is prevented from being lubricated poorly under high-speed operation, high temperature is generated due to increased friction in the bearing, the bearing retainer is damaged, the balls deform and shift, and the inner ring and the outer ring of the bearing are not concentric and are invalid; after the shaft stops working, centrifugal force disappears, the oil storage ring 14 is filled with lubricating oil again under the action of the spring 8, preparation is made for bearing lubrication in the next working process, the lubricating oil can be supplemented to the inside of the oil storage ring 14 by adjusting the rotating speed of the shaft, when the rotating speed is changed from high speed to low speed, the centrifugal force becomes small, the spring 8 rebounds to pull the piston ring 13, so that the lubricating oil is sucked into the inside of the oil storage ring 14, when the rotating speed is increased from low speed to high speed, the centrifugal force becomes large, the compression spring 8 pushes the piston ring 13 to enable the lubricating oil to be sprayed onto the bearing 4 from the oil storage ring 14, so that the bearing working for a long time is supplemented with the lubricating oil in time, and the shutdown is not needed.
Embodiment two:
next, this embodiment will be further described with reference to fig. 1, 2, 3, 4, and 5, in which the housing 1 is provided with a circular groove 17 that mates with the seal ring 2, and the seal ring 2 mates with the housing 1 more tightly, so that the sealing performance is improved.
Embodiment III:
in the following description of the present embodiment with reference to fig. 1, 2, 3, 4, and 5, the first embodiment is further described, in which a groove 21 that mates with a seal ring 22 is formed in the middle of the outer circumferential surface of the seal ring 2, and the seal ring 22 improves the tightness between the seal ring 2 and the housing 1.
Embodiment four:
in the following description of the present embodiment with reference to fig. 1, 2, 3, 4, and 5, a third embodiment will be further described, in which a second groove 23 that mates with a second seal ring 24 is formed in a middle position of an inner circumferential surface of the seal ring 2, and the second seal ring 24 is provided. The second sealing ring 24 improves the tightness of the sealing ring 2 and the shaft 15.
Fifth embodiment:
next, the present embodiment will be further described with reference to fig. 1, 2, 3, 4, and 5, in which the first, third, and fourth embodiments are further described, and the two ends of the seal ring 2 near the shaft 15 are symmetrically provided with support frames 25; the supporting frame 25 is in sliding connection with the first fixed frame 5 and is in movable connection with the first pulling frame 6; the bottom end of the centrifugal cylinder 9 is fixedly arranged on the shaft 15 through a supporting frame 25.
Example six:
next, referring to fig. 1, 2, 3, 4, and 5, a first embodiment will be further described, in which a pressurizing cylinder 251 is provided between the seal ring 2 and the support frame 25; the pressurizing cylinder 251 is internally provided with a pressurizing spring 252; one end of the pressurizing spring 252 abuts against the sealing ring 2; the other end of the pressing spring 252 abuts against one end of the supporting frame 25 inserted into the pressing cylinder 251; when the bearing is refueled by changing the rotation speed of the shaft, the supporting frame 25 is pulled at the same time, but the sealing ring 2 is still tightly attached to the shell 1 under the action of the pressurizing spring 252; has high sealing performance.
Embodiment seven:
next, referring to fig. 1, 2, 3, 4, and 5, this embodiment is further described, and an oil storage cavity 141 is provided in the oil storage ring 14; the top end of the oil storage cavity 141 is communicated with the oil filling hole 18 on the shell 1; both ends of the oil storage cavity 141, which are close to one side of the bearing 4, are communicated with the oil outlet pipe 19; the bearing can be externally connected with a lubricating oil storage box through the oil filling hole 18, lubricating oil in the lubricating oil storage box is sucked into the oil storage cavity 141 through the oil filling hole 18 under the action of the piston ring 13, and then the lubricating oil in the oil storage cavity 141 is sprayed out from the oil outlet pipe 19 under the action of the piston ring 13.
Example eight:
in the following description of the present embodiment with reference to fig. 1, 2, 3, 4, and 5, the seventh embodiment is further described, and the top end of the oil storage chamber 141 is communicated with the oil filling hole 18 through a one-way valve; the lubricating oil can only be sucked into the oil storage chamber 141 from the oil filling hole 18 and cannot flow out reversely, so that the lubricating oil sucked from the lubricating oil storage tank is prevented from flowing back into the lubricating oil storage tank again.
Example nine:
in the following description of the present embodiment with reference to fig. 1, 2, 3, 4, and 5, the seventh and eighth embodiments are further described, and the oil storage chamber 141 is communicated with the oil outlet pipe 19 through a one-way valve, so that the lubricating oil can be ejected from the oil outlet pipe 19 only, and cannot be reversely sucked into the oil storage chamber 141 from the oil outlet pipe 19, thereby preventing the ejected lubricating oil from being re-sucked into the oil storage chamber 141, causing loss of the lubricating oil of the bearing, and making the bearing insufficiently lubricated.
While the application has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the application. The application is not to be limited by the specific embodiments disclosed herein, but rather, embodiments falling within the scope of the appended claims are intended to be embraced by the application.
Claims (9)
1. The high-tightness bearing gland comprises a shell, wherein the shell is sleeved on a shaft and fixedly connected with a bearing seat through a bolt, and the shell abuts against the outer circle of the bearing; the sealing ring is sleeved on the shaft; the two ends of the sealing ring, which are close to one side of the bearing, are both connected with a first fixed frame in a sliding manner, and are movably connected with a first pulling frame; the first fixing frame is fixedly arranged at the middle position of one side of the centrifugal cylinder; a second fixed frame is arranged on the other side of the centrifugal cylinder, and the second fixed frame and the first fixed frame are symmetrically arranged; the bottom end of the centrifugal cylinder is arranged on the shaft; the middle position of the other end of the first pulling frame is movably connected with the outer side of the two end parts of the first pulling frame, and the first pulling frame and the second pulling frame are symmetrically arranged; the inner sides of the two end parts of the pulling frame are movably connected with the top ends of the telescopic rods; the bottom end of the telescopic rod is sleeved with a spring and is arranged in the centrifugal barrel; the lower surface of the bottom end of the telescopic rod is propped against the bottom end inside the centrifugal cylinder; one end of the spring is propped against the top end of the inside of the centrifugal cylinder, and the other end of the spring is propped against the upper surface of the bottom end of the telescopic rod; the second pulling frame is far away from the two sides of the end part of the telescopic rod, and is movably connected with the two sides of the end part of the push-pull frame, and the middle position of the end part is in sliding connection with the second fixed frame; the other end of the push-pull frame penetrates through the guide sleeve and is movably connected with the piston ring; the piston ring is sleeved inside the oil storage ring.
2. A high-tightness bearing gland according to claim 1, wherein: the shell is provided with a circular groove matched with the sealing ring.
3. A high-tightness bearing gland according to claim 1, wherein: the middle position of the outer circumferential surface of the sealing ring is provided with a groove I matched with the sealing ring I.
4. A high-tightness bearing gland according to claim 1, wherein: and a second groove matched with the sealing ring is formed in the middle of the inner circumferential surface of the sealing ring.
5. A high tightness bearing gland according to claim 1 or 3 or 4 wherein: support frames are symmetrically arranged at two ends of one side, close to the shaft, of the sealing ring; the support frame is connected with the fixed frame in a sliding way and is movably connected with the pulling frame in a moving way;
the bottom end of the centrifugal cylinder penetrates through the supporting frame to be fixedly installed on the shaft.
6. A high-tightness bearing gland according to claim 5, wherein: a pressurizing cylinder is arranged between the sealing ring and the supporting frame; a pressurizing spring is arranged in the pressurizing cylinder; one end of the pressurizing spring is propped against the sealing ring; the other end of the pressurizing spring is propped against one end of the supporting frame inserted into the pressurizing cylinder.
7. A high-tightness bearing gland according to claim 1, wherein: an oil storage cavity is formed in the oil storage ring; the top end of the oil storage cavity is communicated with an oil injection hole on the shell; the two ends of the oil storage cavity, which are close to one side of the bearing, are communicated with the oil outlet pipe.
8. A high-tightness bearing gland according to claim 7, wherein: the top end of the oil storage cavity is communicated with the oil filling hole through a one-way valve; the lubricating oil can only be sucked into the oil storage cavity from the oil filling hole and cannot flow out reversely.
9. A high-tightness bearing gland according to claim 7 or 8, wherein: the oil storage cavity is communicated with the oil outlet pipe through the one-way valve, so that lubricating oil can only be sprayed out of the oil outlet pipe and cannot be reversely sucked into the oil storage cavity from the oil outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979668.4A CN116696950B (en) | 2023-08-07 | 2023-08-07 | High-tightness bearing gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979668.4A CN116696950B (en) | 2023-08-07 | 2023-08-07 | High-tightness bearing gland |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116696950A CN116696950A (en) | 2023-09-05 |
| CN116696950B true CN116696950B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310979668.4A Active CN116696950B (en) | 2023-08-07 | 2023-08-07 | High-tightness bearing gland |
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| Country | Link |
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| CN (1) | CN116696950B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559330A (en) * | 2017-11-06 | 2018-01-09 | 河南科技大学 | A kind of high-speed and over-loading bearing seat |
| CN212657121U (en) * | 2020-05-19 | 2021-03-05 | 沈阳电机集团电机制造有限公司 | Lubricated deep groove ball bearing |
| CN112833184A (en) * | 2021-01-11 | 2021-05-25 | 黄山中乔汽车零配件有限公司 | Sealing element |
| CN214146294U (en) * | 2020-12-28 | 2021-09-07 | 河南众正精密轴承有限公司 | Self-lubricating bearing |
| CN217926804U (en) * | 2022-06-24 | 2022-11-29 | 郑州中意矿山机械有限公司 | Vibration exciter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116527A (en) * | 1997-06-18 | 1999-01-12 | Nippon Seiko Kk | Sealing device for roller bearing |
-
2023
- 2023-08-07 CN CN202310979668.4A patent/CN116696950B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559330A (en) * | 2017-11-06 | 2018-01-09 | 河南科技大学 | A kind of high-speed and over-loading bearing seat |
| CN212657121U (en) * | 2020-05-19 | 2021-03-05 | 沈阳电机集团电机制造有限公司 | Lubricated deep groove ball bearing |
| CN214146294U (en) * | 2020-12-28 | 2021-09-07 | 河南众正精密轴承有限公司 | Self-lubricating bearing |
| CN112833184A (en) * | 2021-01-11 | 2021-05-25 | 黄山中乔汽车零配件有限公司 | Sealing element |
| CN217926804U (en) * | 2022-06-24 | 2022-11-29 | 郑州中意矿山机械有限公司 | Vibration exciter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116696950A (en) | 2023-09-05 |
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