CN208185247U - A kind of shield bearing - Google Patents
A kind of shield bearing Download PDFInfo
- Publication number
- CN208185247U CN208185247U CN201820749991.7U CN201820749991U CN208185247U CN 208185247 U CN208185247 U CN 208185247U CN 201820749991 U CN201820749991 U CN 201820749991U CN 208185247 U CN208185247 U CN 208185247U
- Authority
- CN
- China
- Prior art keywords
- bearing
- outer ring
- wall
- ring
- lubricating oil
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of shield bearings, including outer ring and inner ring, retainer is installed between the outer ring and inner ring, ball is installed on retainer, and outer ring and inner ring side close to each other offer the groove of circular ring shape, dust cover is connected between the inner wall of groove, and pump nozzle is installed on the outer wall of outer ring, and Fuel Tanking Unit is installed on the outer wall of outer ring, when this bearing uses, it first passes through pump nozzle and injects lubricating oil to the inside of bearing, and spring is made to be in impaction state, when bearing uses, it is carried out by inside of the dust cover to bearing dust-proof, when lubricating oil temperature increases, the pressure of Bearing inner can become larger, lubricating oil is had at this time to overflow from dustproof cover and outer ring or the gap of inner ring, when bearing stops working, pressure inside the cooling rear bearing of lubricating oil can become smaller, profit in Fuel Tanking Unit at this time Lubricating oil can be pressed into Bearing inner, and outside air cannot enter Bearing inner, improve the dust-proof effect of bearing.
Description
Technical field
The utility model relates to technical field of bearings more particularly to a kind of shield bearings.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced
Coefficient of friction in its motion process, and guarantee its rotating accuracy.Bearing mostly uses dustproof cover to be mounted on outer ring and inner ring at present
Between, and make dustproof cover is stable to be installed therein by the inlay card of inner and outer ring, this class bearing in use, lubricating oil
Temperature can be got higher, and the pressure of Bearing inner can become larger, and have lubricating oil at this time from the gap of dustproof cover and outer ring or inner ring
It overflows, when bearing stops working, the pressure inside the cooling rear bearing of lubricating oil can become smaller, and extraneous dust can be mixed into air at this time
The inside for entering bearing influences the dust-proof effect of bearing.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of shield bearing proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of shield bearing, including outer ring and inner ring are equipped with retainer, pacify on retainer between the outer ring and inner ring
Equipped with ball, and outer ring and inner ring side close to each other offer the groove of circular ring shape, are connected between the inner wall of groove anti-
Dust hood, and pump nozzle is installed, and Fuel Tanking Unit is installed on the outer wall of outer ring on the outer wall of outer ring.
The Fuel Tanking Unit includes that the welding of metal tube, piston, bracket and spring, wherein metal tube and the outer wall of outer ring connects
It connects, inner wall and the piston of metal tube are slidably connected, and one end on inner wall of metal tube far from outer ring is welded with bracket, bracket and bullet
One end of spring is welded to connect, and the other end and piston of spring, which are glued, to be connected.
Preferably, first through hole and the second through-hole are offered on the outer ring, and first through hole is connected with pump nozzle, the
Two through-holes are connected with metal tube, and the diameter of the second through-hole is less than the internal diameter of metal tube.
Preferably, the ball and the inner wall of outer ring are slidably connected, and the outer wall of ball and inner ring is slidably connected.
Preferably, the inner wall of the dust cover and groove is slidably connected, and retainer is between dust cover.
The beneficial effects of the utility model are:
1, this bearing injects lubricating oil to the inside of bearing in use, first passing through pump nozzle, and spring is in and is compressed
State, bearing in use, the inside of bearing is carried out by dust cover it is dust-proof, when lubricating oil temperature increases, Bearing inner
Pressure can become larger, and have lubricating oil at this time and overflow from dustproof cover and outer ring or the gap of inner ring, when bearing stops working,
Pressure inside the cooling rear bearing of lubricating oil can become smaller, and the lubricating oil in Fuel Tanking Unit can be pressed into Bearing inner at this time, extraneous
Air cannot enter Bearing inner, improve the dust-proof effect of bearing；
2, it in use process, can according to need to Bearing inner oiling, make to keep a certain amount of lubrication in Fuel Tanking Unit
Oil, finally can be dust-proof well to bearing progress, and use process is convenient and simple, and good dustproof effect.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of shield bearing structural schematic diagram；
Fig. 2 be the utility model proposes a kind of shield bearing Fuel Tanking Unit structural schematic diagram.
In figure: 1 outer ring, 2 inner rings, 3 retainers, 4 balls, 5 dust covers, 6 pump nozzles, 7 Fuel Tanking Units, 71 metal tubes, 72
Piston, 73 brackets, 74 springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of shield bearing, including outer ring 1 and inner ring 2, are equipped with retainer between outer ring 1 and inner ring 2
3, ball 4 is installed, and outer ring 1 and the side close to each other of inner ring 2 offer the groove of circular ring shape on retainer 3, groove
It is connected with dust cover 5 between inner wall, and pump nozzle 6 is installed on the outer wall of outer ring 1, and storage is installed on the outer wall of outer ring 1
Oily device 7, Fuel Tanking Unit 7 include metal tube 71, piston 72, bracket 73 and spring 74, wherein the outer wall of metal tube 71 and outer ring 1
It is welded to connect, inner wall and the piston 72 of metal tube 71 are slidably connected, and one end on 71 inner wall of metal tube far from outer ring 1 is welded with
One end of bracket 73, bracket 73 and spring 74 is welded to connect, and the other end and piston 72 of spring 74, which are glued, to be connected, and is opened on outer ring 1
Equipped with first through hole and the second through-hole, and first through hole is connected with pump nozzle 6, and the second through-hole is connected with metal tube 71, and
And second the diameter of through-hole be less than the internal diameter of metal tube 71, ball 4 and the inner wall of outer ring 1 be slidably connected, and ball 4 and inner ring 2
Outer wall be slidably connected, dust cover 5 and the inner wall of groove are slidably connected, and retainer 3 is between dust cover 5.
In the present embodiment, this bearing injects lubricating oil to the inside of bearing in use, first passing through pump nozzle 6, and makes bullet
Spring 74 is in impaction state, bearing in use, the inside of bearing is carried out by dust cover 5 it is dust-proof, when lubricating oil temperature increases
When, the pressure of Bearing inner can become larger, and lubricating oil is had at this time to be overflowed from dustproof cover and outer ring 1 or the gap of inner ring 2, to
When bearing stops working, the pressure inside the cooling rear bearing of lubricating oil can become smaller, and piston is separate from trend under the action of the spring
The direction of bracket moves, and the lubricating oil in Fuel Tanking Unit 7 can be pressed into Bearing inner automatically at this time, final Bearing inner pressure with
Outside pressure is identical, and outside air cannot enter Bearing inner, improves the dust-proof effect of bearing, can be in use process
As needed to Bearing inner oiling, make to keep a certain amount of lubricating oil in Fuel Tanking Unit 7, bearing can finally be carried out fine
It is dust-proof, use process is convenient and simple, and good dustproof effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of shield bearing, including outer ring (1) and inner ring (2), which is characterized in that pacify between the outer ring (1) and inner ring (2)
It equipped with retainer (3), is equipped on retainer (3) ball (4), and outer ring (1) and inner ring (2) side close to each other offer
The groove of circular ring shape is connected with dust cover (5) between the inner wall of groove, and is equipped with pump nozzle (6) on the outer wall of outer ring (1),
And Fuel Tanking Unit (7) are installed on the outer wall of outer ring (1)；
The Fuel Tanking Unit (7) includes metal tube (71), piston (72), bracket (73) and spring (74), wherein metal tube (71)
It is welded to connect with the outer wall of outer ring (1), inner wall and the piston (72) of metal tube (71) are slidably connected, and on metal tube (71) inner wall
Be welded with bracket (73) far from the one end of outer ring (1), one end of bracket (73) and spring (74) is welded to connect, spring (74) it is another
One end and piston (72), which are glued, to be connected.
2. a kind of shield bearing according to claim 1, which is characterized in that offer first through hole on the outer ring (1)
With the second through-hole, and first through hole is connected with pump nozzle (6), and the second through-hole is connected with metal tube (71), and second is logical
The diameter in hole is less than the internal diameter of metal tube (71).
3. a kind of shield bearing according to claim 1, which is characterized in that the inner wall of the ball (4) and outer ring (1) is sliding
Dynamic connection, and ball (4) and the outer wall of inner ring (2) are slidably connected.
4. a kind of shield bearing according to claim 1, which is characterized in that the inner wall of the dust cover (5) and groove is sliding
Dynamic connection, retainer (3) are located between dust cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749991.7U CN208185247U (en) | 2018-05-21 | 2018-05-21 | A kind of shield bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749991.7U CN208185247U (en) | 2018-05-21 | 2018-05-21 | A kind of shield bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185247U true CN208185247U (en) | 2018-12-04 |
Family
ID=64428467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820749991.7U Expired - Fee Related CN208185247U (en) | 2018-05-21 | 2018-05-21 | A kind of shield bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734300A (en) * | 2020-01-19 | 2020-10-02 | 江苏金亚益重工科技有限公司 | Hydraulic drive reverse circulation drilling machine power head |
-
2018
- 2018-05-21 CN CN201820749991.7U patent/CN208185247U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734300A (en) * | 2020-01-19 | 2020-10-02 | 江苏金亚益重工科技有限公司 | Hydraulic drive reverse circulation drilling machine power head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20200521 |