CN106979237A - A kind of Leakproof shaft bearing - Google Patents
A kind of Leakproof shaft bearing Download PDFInfo
- Publication number
- CN106979237A CN106979237A CN201710345203.8A CN201710345203A CN106979237A CN 106979237 A CN106979237 A CN 106979237A CN 201710345203 A CN201710345203 A CN 201710345203A CN 106979237 A CN106979237 A CN 106979237A
- Authority
- CN
- China
- Prior art keywords
- bearing
- flange
- block body
- hole
- air cover
- 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.)
- Pending
Links
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
-
- 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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
Abstract
The invention discloses a kind of Leakproof shaft bearing, bearing is installed in bearing block body, left side is provided with a bearing capping, and right side is provided with a bearing air cover, and bearing air cover offers the axis hole passed through for axle in shaft core position;Bearing is sealed on one side and is provided with the first flange, and the first flange is annular shape, and external diameter is smaller than bearing block chamber body diameter, and internal diameter is bigger than bearing outer ring internal diameter, and sets fluted on the first flange that bearing is covered;Bearing air cover is provided with the second flange in one side, is circular, external diameter is smaller than the diameter of the inner chamber of bearing block body, and internal diameter is more bigger than the internal diameter of bearing outer ring, and sets fluted on the second flange of bearing air cover.It is an advantage of the invention that:Demolition and maintenance are simple, good seal performance, can prevent sealing ring from shifting, using labyrinth type sealing ring, further strengthen its sealing, and avoid oil leak, and bearing lubrication is abundant, service life is long.
Description
Technical field
The invention belongs to the technical field of bearing block, and in particular to a kind of Leakproof shaft bearing.
Background technology
In the industrial production, equipment usually works in the environment for having more dust, when bearing work in this environment
Influence will certainly be produced when making on it.Therefore, can the bearing block design of such equipment play reduction or even isolation dust enters
The effect of bearing, directly affects bearing wear degree and service life, so we not only will propose spy to the bearing of equipment
It is different to require, higher requirement is proposed to the design of bearing block.Bearing block on the market does not carry out dust protection mostly at present
Design and produce, and do not account for equipment substantial amounts of heat can be produced when running at high speed.
The content of the invention
It is an object of the invention to provide a kind of Leakproof shaft bearing, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme:A kind of Leakproof shaft bearing, including bearing block sheet
Body, bearing is provided with described bearing block body, a bearing capping is provided with the left of bearing block body, in bearing
One bearing air cover is installed, described bearing air cover offers the axis hole passed through for axle in shaft core position on the left of seat body;
Described bearing is sealed on one side and is provided with the first flange, and the first described flange is annular shape, the external diameter of the first flange
Diameter than the inner chamber of bearing block body is smaller, and the internal diameter of the first flange is more bigger than the internal diameter of bearing outer ring, and in bearing envelope
The groove for installing the first sealing ring is provided with first flange of lid;
Described bearing air cover is provided with the second flange in one side, and the second described flange is annular shape, the external diameter of the second flange
Diameter than the inner chamber of bearing block body is smaller, and the internal diameter of the second flange is more bigger than the internal diameter of bearing outer ring and saturating in bearing
The groove for installing the second sealing ring is provided with second flange of lid;And offered on axis hole for installing the 3rd sealing
The groove of circle;
The through hole run through is equably offered between described bearing capping, bearing air cover, bearing block body, is worn with bolt assembly
Through hole is crossed to be installed together three.
It is preferred that, pin shaft hole is offered in described bearing air cover, described pin shaft hole is penetrated to bearing block body,
Insertion bearing pin in described pin shaft hole.
It is preferred that, the center line of described pin shaft hole is located on the circle where the center line of through hole, and quantity is 2.
It is preferred that, it is located in described bearing capping at the first flange from left side and offers bolt hole, in bolt hole
It has been connected through a screw thread bolt.
It is preferred that, the 3rd described sealing ring uses labyrinth type sealing ring.
Compared with prior art, the beneficial effects of the invention are as follows:Demolition and maintenance are simple, good seal performance, can prevent sealing
Circle shifts, using labyrinth type sealing ring, further strengthens its sealing, and avoids oil leak, and bearing lubrication is abundant, make
Use long lifespan.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional end view of Leakproof shaft bearing of the invention.
In figure:1- bearing block bodies;2- bearings;3- bearings are covered;The flanges of 31- first;The sealing rings of 32- first;4- bearings
Transparent cover;The flanges of 41- second;The sealing rings of 42- second;The sealing rings of 5- the 3rd;6- through holes;7- bolt assemblies;8- pin shaft holes;9- sells
Axle;10- bolts hole;11- bolts.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiments of the invention is carried out it is clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of Leakproof shaft bearing of the present invention, its structure is as follows:Axle is installed in bearing block body 1
2 are held, a bearing capping 3 is installed in the left side of bearing block body 1, a bearing is installed on the right side of bearing block body 1
Transparent cover 4, and bearing air cover 4 offers the axis hole passed through for axle in shaft core position.
In order to ensure the sealing effectiveness of bearing block, the one side for covering 3 in bearing is provided with the first flange 31, the first flange 31
For annular shape, and external diameter is more smaller than the diameter of the inner chamber of bearing block body 1, and internal diameter is more bigger than the internal diameter of the outer ring of bearing 2, and
The groove for installing the first sealing ring 32 is provided with first flange 31 of bearing capping 3;Bearing air cover 4 is provided with one side
Second flange 41, the second flange 41 is annular shape, and external diameter is more smaller than the diameter of the inner chamber of bearing block body 1, and internal diameter is than bearing 2
The internal diameter of outer ring is bigger, and is provided with the second flange 41 of bearing air cover 4 groove for installing the second sealing ring 42;
And the groove for supplying to install the 3rd sealing ring 5 is offered on axis hole;
For the ease of installing, the through hole 6 run through is equably offered between bearing capping 3, bearing air cover 4, bearing block body 1,
Three is installed together through through hole 6 with bolt assembly 7.
Bearing is prevented because the dislocation of bearing air cover 4 causes bearing operationally, it is necessary to ensure the accurate of its position as best one can
2 excessive wear, pin shaft hole 8 is offered in bearing air cover 4, and pin shaft hole 8 is penetrated to bearing block body 1, and in pin shaft hole 8
Interior to insert bearing pin 9 to be positioned, the center line of the pin shaft hole 8 is on the circle where the center line of through hole 6, and quantity is 2.
In order to prevent carrying out left and right skew with bearing 2 after long, from a left side at the first flange 31 in bearing capping 3
Side offers bolt hole 10, and bolt 11 has been connected through a screw thread in bolt hole 10;Simultaneously in order to ensure the good of sealing effectiveness,
3rd sealing ring 5 uses labyrinth type sealing ring.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Leakproof shaft bearing, it is characterised in that:Including bearing block body(1), in described bearing block body(1)Interior peace
Equipped with bearing(2), in bearing block body(1)Left side the capping of one bearing is installed(3), in bearing block body(1)Right side
One bearing air cover is installed(4), described bearing air cover(4)The axis hole passed through for axle is offered in shaft core position;
Described bearing capping(3)One side is provided with the first flange(31), described the first flange(31)For annular shape, first
Flange(31)External diameter than bearing block body(1)Inner chamber diameter it is smaller, the first flange(31)Internal diameter compare bearing(2)Outer ring
Internal diameter it is bigger, and bearing capping(3)The first flange(31)On be provided with for install the first sealing ring(32)It is recessed
Groove;
Described bearing air cover(4)One side is provided with the second flange(41), described the second flange(41)For annular shape, second
Flange(41)External diameter than bearing block body(1)Inner chamber diameter it is smaller, the second flange(41)Internal diameter compare bearing(2)Outer ring
Internal diameter it is bigger, and in bearing air cover(4)The second flange(41)On be provided with for install the second sealing ring(42)It is recessed
Groove;And offered on axis hole for installing the 3rd sealing ring(5)Groove;
Described bearing capping(3), bearing air cover(4), bearing block body(1)Between equably offer the through hole run through(6),
Use bolt assembly(7)Through through hole(6)Three is installed together.
2. a kind of Leakproof shaft bearing according to claim 1, it is characterised in that:In described bearing air cover(4)Open up
There is pin shaft hole(8), described pin shaft hole(8)Penetrate to bearing block body(1)On, in described pin shaft hole(8)Interior insertion bearing pin
(9).
3. a kind of Leakproof shaft bearing according to claim 2, it is characterised in that:Described pin shaft hole(8)Center line
Positioned at through hole(6)Center line where circle on, quantity be 2.
4. a kind of Leakproof shaft bearing according to claim 1, it is characterised in that:Covered in described bearing(3)It is upper
In the first flange(31)Place offers bolt hole from left side(10), in bolt hole(10)Inside it has been connected through a screw thread bolt(11).
5. a kind of Leakproof shaft bearing according to claim 1, it is characterised in that:The 3rd described sealing ring(5)Using
Labyrinth type sealing ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710345203.8A CN106979237A (en) | 2017-05-16 | 2017-05-16 | A kind of Leakproof shaft bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710345203.8A CN106979237A (en) | 2017-05-16 | 2017-05-16 | A kind of Leakproof shaft bearing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106979237A true CN106979237A (en) | 2017-07-25 |
Family
ID=59342116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710345203.8A Pending CN106979237A (en) | 2017-05-16 | 2017-05-16 | A kind of Leakproof shaft bearing |
Country Status (1)
Country | Link |
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CN (1) | CN106979237A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109723725A (en) * | 2019-01-18 | 2019-05-07 | 宁波市江北甬丰轴承有限公司 | A kind of bearing cap for bearing oil leakproof |
CN109854627A (en) * | 2019-04-22 | 2019-06-07 | 海盐琦安瑞精密机械有限公司 | A kind of bearing block for the vehicle transmission mechanism preventing oil leak |
CN114950669A (en) * | 2022-06-27 | 2022-08-30 | 贵州盘江矿山机械有限公司 | Two-stage multi-roller crusher |
CN115090363A (en) * | 2022-06-27 | 2022-09-23 | 贵州盘江矿山机械有限公司 | Soft material crusher and installation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4978236A (en) * | 1989-03-17 | 1990-12-18 | Skf Mekanprodukter Ab | Device for mounting a bearing on a shaft member or the like |
CN102418743A (en) * | 2011-08-17 | 2012-04-18 | 太原重工股份有限公司 | Rolling bearing unit |
CN202398701U (en) * | 2011-10-26 | 2012-08-29 | 铜陵百瑞豪科技有限公司 | Upper die plate for bearing pedestal die |
CN104632901A (en) * | 2013-11-11 | 2015-05-20 | 无锡市后宅振新机械有限公司 | Bearing block structure |
-
2017
- 2017-05-16 CN CN201710345203.8A patent/CN106979237A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4978236A (en) * | 1989-03-17 | 1990-12-18 | Skf Mekanprodukter Ab | Device for mounting a bearing on a shaft member or the like |
CN102418743A (en) * | 2011-08-17 | 2012-04-18 | 太原重工股份有限公司 | Rolling bearing unit |
CN202398701U (en) * | 2011-10-26 | 2012-08-29 | 铜陵百瑞豪科技有限公司 | Upper die plate for bearing pedestal die |
CN104632901A (en) * | 2013-11-11 | 2015-05-20 | 无锡市后宅振新机械有限公司 | Bearing block structure |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109723725A (en) * | 2019-01-18 | 2019-05-07 | 宁波市江北甬丰轴承有限公司 | A kind of bearing cap for bearing oil leakproof |
CN109723725B (en) * | 2019-01-18 | 2020-12-15 | 新昌县恒利轴承有限公司 | Bearing cover for preventing bearing lubricating oil from leaking |
CN109854627A (en) * | 2019-04-22 | 2019-06-07 | 海盐琦安瑞精密机械有限公司 | A kind of bearing block for the vehicle transmission mechanism preventing oil leak |
CN114950669A (en) * | 2022-06-27 | 2022-08-30 | 贵州盘江矿山机械有限公司 | Two-stage multi-roller crusher |
CN115090363A (en) * | 2022-06-27 | 2022-09-23 | 贵州盘江矿山机械有限公司 | Soft material crusher and installation method thereof |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170725 |