CN210034161U - Lubricating type needle roller bearing - Google Patents
Lubricating type needle roller bearing Download PDFInfo
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- CN210034161U CN210034161U CN201920571823.8U CN201920571823U CN210034161U CN 210034161 U CN210034161 U CN 210034161U CN 201920571823 U CN201920571823 U CN 201920571823U CN 210034161 U CN210034161 U CN 210034161U
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- oil
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- lubricating
- oil storage
- storage cavity
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Abstract
The utility model discloses a lubricating type needle roller bearing, which relates to the technical field of bearings and solves the problems that the lubricating oil is easy to leak and can not be stored and maintained in the existing needle roller bearing lubricating mode, the utility model comprises an outer ring and a retainer, a plurality of needle rollers are evenly embedded on the retainer, the retainer is formed into a groove by the inward bulge in the middle part of the part between the adjacent needle rollers, the two ends of the outer ring and the two ends of the retainer are inwards bent for 90 degrees to respectively form an annular hem a and a hem b, the hem a and the hem b at the left end are mutually contacted, a gap is arranged between the hem a and the hem b at the right end, and further an annular oil storage cavity is formed, the hem b at the right end extends outwards to be contacted with the inner wall of the outer ring, a retaining ring for sealing the oil storage cavity is arranged between the hem a and the hem b at the oil storage cavity, an oil delivery hole, the oil absorption lubricating block is in surface contact with the rolling needles on the two sides, and an oil injection mechanism is arranged at the oil storage cavity.
Description
Technical Field
The utility model relates to a bearing technical field, more specifically relate to a lubricated type bearing.
Background
Needle roller bearings are roller bearings with cylindrical rollers, which are both thin and long with respect to their diameter, and are called needle rollers. The bearing has a high load-bearing capacity despite a small cross-section, and the needle bearing is provided with thin and long rollers, and thus is compact in radial configuration. The bearing has the same inner diameter size and loading capacity as other types of bearings and the smallest outer diameter, and is particularly suitable for a bearing structure with limited radial installation size.
Since the bearing is used for connecting two members having different relative movement states, and is generally provided to be engaged with a rotating member, balls and rollers in the bearing are kept in a state of sliding with respect to inner and outer races of the bearing for a long period of time, and a lubricating measure in the bearing is very important. Good lubrication can reduce the abrasion among the internal components of the bearing and reduce the heat generated by friction, thereby being beneficial to the long-term use of the bearing. In the case of a needle roller bearing, the contact area between the needle roller and the inner and outer races of the bearing is larger than that of the ball, and wear is more likely to occur, so that it is more necessary to perform good lubrication.
Most of the existing needle bearings are simply provided with oil filling holes on the bearing outer ring, and lubricating oil is filled between the needle roller retainer and the bearing outer ring through the oil filling holes, but the lubricating oil can only be adhered to the inner wall of the bearing outer ring and the needle rollers to play a lubricating role in the mode. However, during the actual use of the bearing, the lubricating oil may leak from the oil holes and the internal clearances. Meanwhile, the oil injection and lubrication mode can not store oil, once lubricating oil leaks to some extent or volatilizes naturally, the oil injection is needed again, and the oil injection and lubrication method is very troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that present bearing lubrication mode has lubricating oil to reveal easily, can not store and keep, the utility model provides a lubricated type bearing.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a lubricated type bearing, including outer lane and holder, evenly inlay on the holder and be equipped with a plurality of kingpins, the holder is at inside protruding formation recess in middle part of part between adjacent kingpins, the outer lane both ends all inwards buckle 90 degrees with the holder both ends and form annular hem a and hem b respectively, hem a and hem b mutual contact of left end, there is the space between hem a and the hem b of right-hand member, and then form annular oil storage chamber, hem b of right-hand member outwards extend to with the contact of outer lane inner wall, be provided with the fender ring that seals the oil storage chamber between hem a and the hem b of oil storage chamber department, set up the oil delivery hole of intercommunication oil storage chamber and recess on the holder, be provided with the lubricated piece of oil absorption in the recess, the contact surface of the kingpin of oil absorption piece and both sides, oil storage chamber department is.
Furthermore, the oil injection mechanism comprises a check ring close to the folded edge a in the oil storage cavity, the inner circumferential surface of the check ring is in contact with the outer circumferential surface of the check ring, a gap is formed between the outer circumferential surface of the check ring and the inner wall of the outer ring, an elastic bulge for enabling the check ring to be tightly attached to the inner wall of the folded edge a is arranged on the outer circumferential surface of the check ring, a plurality of axial through holes are formed in the folded edge a, an extrusion block extending into the oil storage cavity and connected with the check ring is arranged in each through hole, the extrusion block at the top is in a.
Furthermore, an oil delivery channel correspondingly communicated with the oil delivery hole is formed in the oil absorption lubricating block, and the tail end of the oil delivery channel is sealed by the groove wall of the groove.
Furthermore, a plurality of bumps for stirring lubricating oil are arranged on the side surface of the right end folding edge b in the oil storage cavity.
Further, the oil absorption and lubrication block extends outwards to be in contact with the inner wall of the outer ring.
The utility model has the advantages as follows:
1. the utility model discloses realize the storage of lubricating oil at the inside oil storage chamber that sets up of bearing, the long-term use of oiling once, and then need not frequent oiling. Meanwhile, the oil absorption lubricating block is adopted to absorb and smear lubricating oil, so that the lubricating oil can continuously perform a lubricating effect, and the lubricating oil has certain viscosity, so that the lubricating oil absorbed in the oil absorption lubricating block can be kept for a long time and is not easy to leak. Meanwhile, the lubricating oil is smeared by adopting the oil absorption lubricating block, so that the lubricating oil is respectively more uniform on the rolling needles, and the lubricating effect is improved.
2. The oil delivery channel enlarges the contact area of the lubricating oil and the oil absorption lubricating block, and further improves the absorption effect of the oil absorption lubricating block on the lubricating oil.
3. When the bearing is used, lubricating oil always gathers at the bottom of the oil storage cavity under the action of gravity, so that lubrication is not facilitated, the retainer can stir the lubricating oil through the convex blocks in the rotating process along with the roller, and the lubricating effect is improved.
4. The contact of the inner wall of the outer ring of the oil absorption lubricating block can further paint lubricating oil on the inner wall of the outer ring, so that the lubricating effect of the contact between the inner wall of the outer ring and the rolling needle can be improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
reference numerals: 1-outer ring, 2-roller pin, 3-oil delivery channel, 4-retainer, 5-groove, 6-oil absorption lubricating block, 7-oil delivery hole, 8-flanging a, 9-oil storage cavity, 10-lug, 11-flanging b, 12-baffle ring, 13-baffle ring, 14-extrusion block, 15-through hole, 16-oil injection port and 17-elastic bulge.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1
A lubricating type needle roller 2 bearing comprises an outer ring 1 and a retainer 4, wherein a plurality of needle rollers 2 are uniformly embedded on the retainer 4, the middle of the retainer 4 between the adjacent needle rollers 2 protrudes inwards to form a groove 5, two ends of the outer ring 1 and two ends of the retainer 4 are bent inwards by 90 degrees to form annular folded edges a8 and b11 respectively, the folded edge a8 and the folded edge b11 at the left end are in mutual contact, a gap is formed between the folded edge a8 and the folded edge b11 at the right end, and then form annular oil storage chamber 9, hem b11 of right-hand member outwards extends to and contacts with outer lane 1 inner wall, is provided with between hem a8 and the hem b11 of oil storage chamber 9 department and seals fender ring 12 of oil storage chamber 9, sets up the oil delivery hole 7 that communicates oil storage chamber 9 and recess 5 on the holder 4, is provided with oil absorption lubricated piece 6 in the recess 5, oil absorption lubricated piece 6 and the 2 surface contact of kingpins of both sides, oil storage chamber 9 department is provided with oiling mechanism.
The working principle is as follows: when the oil injection device is used, lubricating oil is injected into the oil storage cavity 9 through the oil injection mechanism in advance, the oil storage cavity 9 is surrounded by the folded edge a8, the folded edge b11, the outer ring 1 and the ring and is kept sealed, and the lubricating oil flows into the groove 5 through the oil conveying hole 7 and is absorbed to be saturated by the oil absorption lubricating block 6. It should be noted that the oil absorption lubricating block 6 fills the horizontal groove and seals the end orifice of the oil transfer hole 7, so as to ensure that the lubricating oil is directly absorbed by the oil absorption lubricating block 6. The oil absorption lubricating block 6 is in contact with the surface of the roller pin 2, and then when the roller pin 2 rotates during normal operation of the bearing, the oil absorption lubricating block 6 continuously coats lubricating oil on the surface of the roller pin 2. When the lubricating oil absorbed in the oil absorption block 6 is consumed, the oil absorption block 6 absorbs the lubricating oil from the oil storage chamber 9 through the oil transfer hole 7 for replenishment.
The oil-absorbing stick 6 may be made of an elastic porous material such as sponge.
The utility model discloses realize the storage of lubricating oil at the inside oil storage chamber that sets up of bearing, the long-term use of oiling once, and then need not frequent oiling. Meanwhile, the oil absorption lubricating block is adopted to absorb and smear lubricating oil, so that the lubricating oil can continuously perform a lubricating effect, and the lubricating oil has certain viscosity, so that the lubricating oil absorbed in the oil absorption lubricating block can be kept for a long time and is not easy to leak. Meanwhile, the lubricating oil is smeared by adopting the oil absorption lubricating block, so that the lubricating oil is respectively more uniform on the rolling needles, and the lubricating effect is improved.
Example 2
The embodiment is improved on the basis of embodiment 1:
the oil injection mechanism comprises a retainer ring 13 which is arranged in the oil storage cavity 9 and close to the folded edge a8, the inner circumferential surface of the retainer ring 13 is in contact with the outer circumferential surface of the retainer ring 12, a gap is arranged between the outer circumferential surface of the retainer ring 13 and the inner wall of the outer ring 1, an elastic bulge 17 which enables the retainer ring 13 to be tightly attached to the inner wall of the folded edge a8 is arranged on the outer circumferential surface of the retainer ring 12, a plurality of axial through holes 15 are formed in the folded edge a8, an extrusion block 14 which extends into the oil storage cavity 9 and is connected with the retainer ring 13 is arranged in each through hole 15, and the extrusion block 14.
The working principle is as follows: when the oil storage chamber 9 is normally closed, the retainer ring 13 is pressed by the elastic bulge 17 to be tightly attached to the inner wall of the folded edge a8, the oil filling opening 16 on the topmost pressing block 14 on the folded edge a8 is positioned in the through hole 15, and the inner wall of the through hole 15 closes the oil filling opening 16. When lubricating oil needs to be replenished for oil injection, the extrusion blocks 14 are pushed inwards, the extrusion blocks 14 push the retainer ring 13 to move towards the inside of the oil storage cavity 9 and downwards extrude the elastic protrusions 17, and when the retainer ring 13 moves to the oil injection port 16 on the topmost extrusion block 14 and enters the oil storage cavity 9, external lubricating oil enters the oil storage cavity 9 through the oil injection port 16. After the oil is filled, the pressing block 14 is released, the retainer ring 13 moves reversely under the action of the elastic bulge 17 and is tightly attached to the inner wall of the folded edge a8 again, the oil filling opening 16 enters the through hole 15 again to be closed, and the whole oil storage cavity 9 is kept closed again.
Example 3
The embodiment is improved on the basis of embodiment 1:
an oil conveying channel 3 correspondingly communicated with the oil conveying hole 7 is formed in the oil absorption lubricating block 6, and the tail end of the oil conveying channel 3 is sealed by the groove wall of the groove 5.
The improvement has the advantages that: the oil delivery channel enlarges the contact area of the lubricating oil and the oil absorption lubricating block, and further improves the absorption effect of the oil absorption lubricating block on the lubricating oil.
Example 4
The embodiment is improved on the basis of the above embodiment:
the right end folded edge b11 is provided with a plurality of projections 10 for stirring the lubricating oil on the side surface inside the oil storage chamber 9.
The improvement has the advantages that: when the bearing is used, lubricating oil always gathers at the bottom of the oil storage cavity under the action of gravity, so that lubrication is not facilitated, the retainer can stir the lubricating oil through the convex blocks in the rotating process along with the roller, and the lubricating effect is improved.
Example 5
The embodiment is improved on the basis of the above embodiment:
the oil absorption and lubrication block 6 extends outwards to contact with the inner wall of the outer ring 1.
The improvement has the advantages that: the contact of the inner wall of the outer ring of the oil absorption lubricating block can further paint lubricating oil on the inner wall of the outer ring, so that the lubricating effect of the contact between the inner wall of the outer ring and the rolling needle can be improved.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a lubricated type kingpin (2) bearing, includes outer lane (1) and holder (4), evenly inlays on holder (4) and is equipped with a plurality of kingpins (2), and inside protruding formation recess (5), its characterized in that of the middle part of holder (4) part between adjacent kingpin (2): both ends of the outer ring (1) and both ends of the retainer (4) are inwards bent by 90 degrees to form an annular hem a (8) and a hem b (11) respectively,
hem a (8) and hem b (11) the mutual contact of left end, there is the space between hem a (8) and the hem b (11) of right-hand member, and then form annular oil storage chamber (9), hem b (11) of right-hand member outwards extend to with outer lane (1) inner wall contact, be provided with fender ring (12) of sealing oil storage chamber (9) between hem a (8) and hem b (11) of oil storage chamber (9) department, set up oil transportation hole (7) of intercommunication oil storage chamber (9) and recess (5) on holder (4), be provided with in recess (5) and inhale oil lubrication piece (6), inhale oil lubrication piece (6) and the bearing roller (2) surface contact of both sides, oil storage chamber (9) department is provided with oiling mechanism.
2. The lubricated needle roller bearing of claim 1, wherein: the oiling mechanism comprises a retaining ring (13) close to a folded edge a (8) in an oil storage cavity (9), the inner circumferential surface of the retaining ring (13) is in contact with the outer circumferential surface of a retaining ring (12), a gap is reserved between the outer circumferential surface of the retaining ring (13) and the inner wall of an outer ring (1), an elastic bulge (17) for enabling the retaining ring (13) to be tightly attached to the inner wall of the folded edge a (8) is arranged on the outer circumferential surface of the retaining ring (12), a plurality of axial through holes (15) are formed in the folded edge a (8), an extrusion block (14) extending into the oil storage cavity (9) and connected with the retaining ring (13) is arranged in each through hole (15), and the extrusion block (14) at the top is hollow tubular and is.
3. The lubricated needle roller bearing of claim 1, wherein: an oil conveying channel (3) correspondingly communicated with the oil conveying hole (7) is formed in the oil absorption lubricating block (6), and the tail end of the oil conveying channel (3) is sealed by the groove wall of the groove (5).
4. The lubricated needle roller bearing of claim 1, wherein: the side surface of the right end folding edge b (11) positioned in the oil storage cavity (9) is provided with a plurality of convex blocks (10) for stirring lubricating oil.
5. The lubricated needle roller bearing of claim 1, wherein: the oil absorption and lubrication block (6) extends outwards to be contacted with the inner wall of the outer ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571823.8U CN210034161U (en) | 2019-04-25 | 2019-04-25 | Lubricating type needle roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571823.8U CN210034161U (en) | 2019-04-25 | 2019-04-25 | Lubricating type needle roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034161U true CN210034161U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920571823.8U Active CN210034161U (en) | 2019-04-25 | 2019-04-25 | Lubricating type needle roller bearing |
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| Country | Link |
|---|---|
| CN (1) | CN210034161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753233A (en) * | 2023-08-17 | 2023-09-15 | 河北亚超轴承集团有限公司 | Needle bearing |
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2019
- 2019-04-25 CN CN201920571823.8U patent/CN210034161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753233A (en) * | 2023-08-17 | 2023-09-15 | 河北亚超轴承集团有限公司 | Needle bearing |
| CN116753233B (en) * | 2023-08-17 | 2023-10-20 | 河北亚超轴承集团有限公司 | Needle bearing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lubricating needle bearing Effective date of registration: 20221024 Granted publication date: 20200207 Pledgee: Suining Rural Commercial Bank Co.,Ltd. high tech sub branch Pledgor: SICHUAN AI PANG MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2022980019461 |