CN112081825A - Sealed rotating shaft - Google Patents
Sealed rotating shaft Download PDFInfo
- Publication number
- CN112081825A CN112081825A CN202011114276.4A CN202011114276A CN112081825A CN 112081825 A CN112081825 A CN 112081825A CN 202011114276 A CN202011114276 A CN 202011114276A CN 112081825 A CN112081825 A CN 112081825A
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- CN
- China
- Prior art keywords
- installation
- groove
- side wall
- ring
- sealing
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- 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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Classifications
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- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
Abstract
The invention discloses a sealed rotating shaft, which belongs to the technical field of rotating shafts and comprises a main shaft, wherein a shaft sleeve is arranged on the surface of the main shaft, a bearing is arranged on the surface of the shaft sleeve, an installation arc sleeve is arranged outside the shaft sleeve, an installation groove is formed in the inner side wall of the installation arc sleeve, a protection arc plate is arranged inside the installation groove, first butt grooves are formed in the left side wall and the right side wall of the installation arc sleeve, an installation ring is arranged inside the first butt grooves, butt lugs are arranged on the side wall of the installation ring, a baffle ring is arranged on the side wall of the installation ring and the side far away from the butt lugs, an oil pipe is arranged inside the installation ring, a connector is arranged on the outer surface of the installation ring, and a butt block is fixedly connected to. The invention has the advantages of good sealing effect, difficult leakage of sealing oil, high sealing performance, and convenient disassembly and assembly of the whole body.
Description
Technical Field
The invention relates to the technical field of rotating shafts, in particular to a sealed rotating shaft.
Background
The shaft (draft) is a cylindrical piece that is threaded in the middle of the bearing or in the middle of the wheel or in the middle of the gear, but it is also partly square. A shaft is a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment. Typically in the form of a metal rod, each section may have a different diameter. The parts of the machine that rotate are mounted on the shaft.
The shaft can be used in various occasions, and in some special places, the shaft needs to be sealed, and a general sealing structure is inconvenient to disassemble and assemble and needs to be improved.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a sealed rotary shaft.
In order to solve the technical problems, the invention provides the following technical scheme: the installation structure comprises a main shaft, wherein a shaft sleeve is arranged on the surface of the main shaft, a bearing is arranged on the surface of the shaft sleeve, an installation arc sleeve is arranged outside the shaft sleeve, an installation groove is formed in the inner side wall of the installation arc sleeve, a protection arc plate is arranged inside the installation groove, first butt grooves are formed in the left side wall and the right side wall of the installation arc sleeve, an installation ring is arranged inside the first butt groove, butt lugs are arranged on the side wall of the installation ring, a baffle ring is arranged on one side of the side wall of the installation ring away from the butt lugs, an oil pipe is arranged inside the installation ring, and a connector is arranged on the outer surface of the installation ring;
one end of the main shaft is fixedly connected with a butt-joint block.
The installation arc cover is provided with two, the collar is provided with two, keep off the collar and be provided with two.
The outer side wall of the installation arc sleeve is fixedly connected with a pair of fixing lugs, a first sealing groove is formed in the surface of the installation arc sleeve, and a sealing strip is arranged inside the first sealing groove.
The inner bottom of the first butt joint groove is provided with a second sealing groove, the side wall of the butt joint lug is provided with a third sealing groove, and annular sealing rings are arranged inside the second sealing groove and the third sealing groove.
A plurality of first screw thread mounting holes are seted up to the lateral wall in first butt joint groove, a plurality of second screw thread mounting holes are seted up to the upper surface of butt joint ear.
The surface of the installation arc sleeve is provided with a fixing groove, and two ends of the protection arc plate are fixedly connected with fixing plates.
A fourth sealing groove is formed in the inner side wall of the mounting ring, a lip-shaped sealing ring is arranged inside the fourth sealing groove, and a storage groove is formed in the side wall of the fourth sealing groove.
One side of the side wall of the butt joint block, which is provided with the main shaft and is far away from the main shaft, is provided with a second butt joint groove, and the inner side wall of the second butt joint groove is provided with a key groove.
1. Compared with the prior art, the invention has the following beneficial effects: the device is provided with two lip-shaped sealing rings, so that external substances are prevented from entering the device, and the sealing effect of the device is good.
2. Compared with the prior art, the invention has the following beneficial effects: the device is provided with sealing strip and ring packing, and a pair of installation arc cover junction realizes sealed through setting up the sealing strip, and installation arc cover and installation ring junction realize sealed through setting up ring packing, make the inside sealing oil of device can not leak through setting up sealing strip and ring packing, and the device is sealed oily and is difficult for revealing.
3. Compared with the prior art, the invention has the following beneficial effects: the device is provided with connector, oil pipe, holding tank, and the device is inside improves sealing performance through injecting into sealed oil, and device sealing performance is high.
4. Compared with the prior art, the invention has the following beneficial effects: when the device is installed, the shaft sleeve, the bearing, the pair of installation arc sleeves, the pair of installation rings and the pair of baffle rings are sequentially installed, and the whole device can be disassembled and assembled conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the internal structure of a sealed rotary shaft according to the present invention;
FIG. 2 is a schematic view of a mounting arc sleeve structure of a sealed rotary shaft according to the present invention;
FIG. 3 is a schematic view of a butt-joint block structure of a sealed rotary shaft according to the present invention;
FIG. 4 is a schematic view of a retainer ring for a sealed rotary shaft according to the present invention;
in the figure: 1. a main shaft; 2. a shaft sleeve; 3. a bearing; 4. installing an arc sleeve; 5. mounting grooves; 6. a protective arc plate; 7. a first docking slot; 8. a mounting ring; 9. butt-joint lugs; 10. a baffle ring; 11. an oil pipe; 12. a connector; 13. a butt joint block; 14. fixing the ear; 15. a first seal groove; 16. a sealing strip; 17. a second seal groove; 18. a third seal groove; 19. an annular seal ring; 20. a first threaded mounting hole; 21. a second threaded mounting hole; 22. fixing grooves; 23. a fixing plate; 24. a fourth seal groove; 25. a lip-shaped seal ring; 26. a storage tank; 27. a second docking slot; 28. a keyway.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the device comprises a main shaft 1, wherein a shaft sleeve 2 is arranged on the surface of the main shaft 1, a bearing 3 is arranged on the surface of the shaft sleeve 2, an installation arc sleeve 4 is arranged outside the shaft sleeve 2, an installation groove 5 is formed in the inner side wall of the installation arc sleeve 4, a protection arc plate 6 is arranged inside the installation groove 5, the protection installation groove 5 is not easy to damage and convenient to replace, first butt grooves 7 are formed in the left side wall and the right side wall of the installation arc sleeve 4, an installation ring 8 is arranged inside the first butt grooves 7, butt lugs 9 are arranged on the side wall of the installation ring 8, a baffle ring 10 is arranged on the side wall of the installation ring 8 far away from the butt lugs 9, a lip-shaped seal ring 25 is fixed, an oil pipe 11 is arranged inside the installation ring 8, a connector 12 is arranged on the outer surface of the installation ring 8, sealing;
the one end fixedly connected with butt joint piece 13 of main shaft 1, the second butt joint groove 27 has been seted up to the one side that the main shaft 1 was seted up and kept away from to the lateral wall of butt joint piece 13, and keyway 28 has been seted up to the inside wall in second butt joint groove 27, is connected with the driving motor output through butt joint piece 13.
The installation arc sleeve 4 is provided with two, the installation ring 8 is provided with two, the baffle ring 10 is provided with two, the outer side wall of the installation arc sleeve 4 is fixedly connected with a pair of fixing lugs 14, the surface of the installation arc sleeve 4 is provided with a first sealing groove 15, a sealing strip 16 is arranged inside the first sealing groove 15, the joint of the installation arc sleeve 4 is sealed by arranging the sealing strip 16, the inner bottom of the first butt joint groove 7 is provided with a second sealing groove 17, the side wall of the butt joint lug 9 is provided with a third sealing groove 18, annular sealing rings 19 are arranged inside the second sealing groove 17 and the third sealing groove 18, the joint of the installation arc sleeve 4 and the installation ring 8 is sealed by arranging the annular sealing rings 19, the side wall of the first butt joint groove 7 is provided with a plurality of first thread installation holes 20, the upper surface of the butt joint lug 9 is provided with a plurality of second thread installation holes 21, the installation arc sleeve 4 and the installation ring 8 are fixed through the first thread installation holes, fixed slot 22 has been seted up on the surface of installation arc cover 4, and protection arc plate 6's both ends fixedly connected with fixed plate 23, fixed protection arc plate 6, fourth seal groove 24 has been seted up to the inside wall of collar 8, and the inside of fourth seal groove 24 is provided with lip seal 25, and holding tank 26, the sealed oil of storage part have been seted up to the lateral wall of fourth seal groove 24.
The working principle of the invention is as follows: during installation, firstly installing the shaft sleeve 2 on the surface of the main shaft 1, then arranging the bearing 3 on the surface of the shaft sleeve 2, placing the protective arc plate 6 in the installation groove 5, fixing the fixing plate 23 in the fixing groove 22, arranging the pair of installation arc sleeves 4 on the surface of the main shaft 1, aligning the bearing 3 to the installation groove 5 during the installation, fixing the pair of installation arc sleeves 4 through the pair of fixing lugs 14, at the moment, deforming the sealing strip 16 to complete the sealing between the installation arc sleeves 4, placing the annular sealing ring 19 into the second sealing groove 17, aligning the butt lugs 9 to the first butt groove 7, deforming the annular sealing ring 19, fixing the installation arc sleeves 4 and the installation rings 8 through the first threaded installation hole 20 and the second threaded installation hole 21, completing the fixing of the installation arc sleeves 4 and the installation rings 8, after the installation of the two installation rings 8 is completed, placing the lip-shaped sealing ring 25 into the fourth sealing groove 24, and fixing the retaining ring 10 on the side wall of the installation ring 8, the integral installation of the device is completed, when the device is used, the device is fixed with the connector 12 through a pipeline, sealing oil is supplemented into the storage groove 26, the main shaft 1 rotates, the two lip-shaped sealing rings 25 prevent external particles from entering the device, and the sealing oil inside is prevented from leaking through the sealing strips 16 and the annular sealing rings 19.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A sealed rotary shaft comprising a main shaft (1), characterized in that: the surface of the spindle (1) is provided with a spindle sleeve (2), the surface of the spindle sleeve (2) is provided with a bearing (3), an installation arc sleeve (4) is arranged outside the spindle sleeve (2), the inner side wall of the installation arc sleeve (4) is provided with an installation groove (5), a protection arc plate (6) is arranged inside the installation groove (5), the left side wall and the right side wall of the installation arc sleeve (4) are both provided with a first butt joint groove (7), an installation ring (8) is arranged inside the first butt joint groove (7), the side wall of the installation ring (8) is provided with a butt joint lug (9), the side wall of the installation ring (8) and the side far away from the butt joint lug (9) are provided with a baffle ring (10), the inside of the installation ring (8) is provided with an oil pipe (11), and the outer surface of the installation ring (8) is provided with;
one end of the main shaft (1) is fixedly connected with a butt-joint block (13).
2. A sealed rotary shaft according to claim 1, wherein: the installation arc sleeve (4) is provided with two, the installation ring (8) is provided with two, and the baffle ring (10) is provided with two.
3. A sealed rotary shaft according to claim 1, wherein: the outer side wall of the installation arc sleeve (4) is fixedly connected with a pair of fixing lugs (14), a first sealing groove (15) is formed in the surface of the installation arc sleeve (4), and a sealing strip (16) is arranged inside the first sealing groove (15).
4. A sealed rotary shaft according to claim 1, wherein: a second sealing groove (17) is formed in the inner bottom of the first butt joint groove (7), a third sealing groove (18) is formed in the side wall of the butt joint lug (9), and an annular sealing ring (19) is arranged inside the second sealing groove (17) and the third sealing groove (18).
5. A sealed rotary shaft according to claim 1, wherein: a plurality of first thread mounting holes (20) are formed in the side wall of the first butt joint groove (7), and a plurality of second thread mounting holes (21) are formed in the upper surface of the butt joint lug (9).
6. A sealed rotary shaft according to claim 1, wherein: the surface of the installation arc sleeve (4) is provided with a fixing groove (22), and two ends of the protection arc plate (6) are fixedly connected with fixing plates (23).
7. A sealed rotary shaft according to claim 1, wherein: a fourth sealing groove (24) is formed in the inner side wall of the mounting ring (8), a lip-shaped sealing ring (25) is arranged inside the fourth sealing groove (24), and a storage groove (26) is formed in the side wall of the fourth sealing groove (24).
8. A sealed rotary shaft according to claim 1, wherein: one side of the side wall of the butt joint block (13) which is opened and is far away from the main shaft (1) is opened with a second butt joint groove (27), and the inner side wall of the second butt joint groove (27) is opened with a key groove (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114276.4A CN112081825B (en) | 2020-10-19 | 2020-10-19 | Sealed rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114276.4A CN112081825B (en) | 2020-10-19 | 2020-10-19 | Sealed rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112081825A true CN112081825A (en) | 2020-12-15 |
| CN112081825B CN112081825B (en) | 2022-03-22 |
Family
ID=73729876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011114276.4A Active CN112081825B (en) | 2020-10-19 | 2020-10-19 | Sealed rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112081825B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359498A (en) * | 2011-10-24 | 2012-02-22 | 成都利君科技有限责任公司 | Roll squeezer and V-type sealing structure for roll system of high-pressure roller mill |
| CN103727239A (en) * | 2014-01-08 | 2014-04-16 | 申科滑动轴承股份有限公司 | Automatic clearance compensation type efficient sealing device |
| CN208089612U (en) * | 2018-01-31 | 2018-11-13 | 上海连成（集团）有限公司 | A kind of Novel submersible double suction pump configuration |
| CN110259833A (en) * | 2019-05-28 | 2019-09-20 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of free end pinion shaft bearing block of large size double pinion driving grinding machine |
| CN209476380U (en) * | 2019-01-14 | 2019-10-11 | 马鞍山市阿埃马密封技术科技有限公司 | A kind of new ball mill associated sealing arrangement for bearings |
| CN213871036U (en) * | 2020-08-03 | 2021-08-03 | 杭州樱太传动机械有限公司 | Sealing device for output shaft of gear transmission |
-
2020
- 2020-10-19 CN CN202011114276.4A patent/CN112081825B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359498A (en) * | 2011-10-24 | 2012-02-22 | 成都利君科技有限责任公司 | Roll squeezer and V-type sealing structure for roll system of high-pressure roller mill |
| CN103727239A (en) * | 2014-01-08 | 2014-04-16 | 申科滑动轴承股份有限公司 | Automatic clearance compensation type efficient sealing device |
| CN208089612U (en) * | 2018-01-31 | 2018-11-13 | 上海连成（集团）有限公司 | A kind of Novel submersible double suction pump configuration |
| CN209476380U (en) * | 2019-01-14 | 2019-10-11 | 马鞍山市阿埃马密封技术科技有限公司 | A kind of new ball mill associated sealing arrangement for bearings |
| CN110259833A (en) * | 2019-05-28 | 2019-09-20 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of free end pinion shaft bearing block of large size double pinion driving grinding machine |
| CN213871036U (en) * | 2020-08-03 | 2021-08-03 | 杭州樱太传动机械有限公司 | Sealing device for output shaft of gear transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112081825B (en) | 2022-03-22 |
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