CN216556426U - Oil injection device for bearing - Google Patents
Oil injection device for bearing Download PDFInfo
- Publication number
- CN216556426U CN216556426U CN202122789880.3U CN202122789880U CN216556426U CN 216556426 U CN216556426 U CN 216556426U CN 202122789880 U CN202122789880 U CN 202122789880U CN 216556426 U CN216556426 U CN 216556426U
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- bearing
- oil
- base
- gland
- oiling
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- 238000002347 injection Methods 0.000 title claims abstract description 60
- 239000007924 injection Substances 0.000 title claims abstract description 60
- 210000004907 gland Anatomy 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 143
- 239000010687 lubricating oil Substances 0.000 abstract description 38
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 10
- 239000003566 sealing material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to the technical field of bearings, in particular to an oil injection device for a bearing (3). The oil injection device comprises a base (1) and a gland (2), and an oil injection hole (21) leading to a groove (13) formed in the base (1) is formed in the base (1) or the gland (2). In the process of utilizing the oiling device to carry out oiling to bearing (3), lubricating oil enters into recess (13) on base (1) through oil filler point (21), step face (12) on base (1) can seal outer lane (32) and gland (2) of bearing (3) can seal the opening of inner circle (31) one end of bearing (3), be full of recess (13) along with lubricating oil in the oiling process, and spill over to the opposite side of bearing (3), thereby the purpose of realizing oiling to bearing (3), the efficiency of oiling to bearing (3) has greatly been improved.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to an oil injection device for a bearing.
Background
The bearing is an important part in mechanical equipment and is mainly used for supporting the mechanical rotating body so as to reduce the friction coefficient in the movement process of the mechanical rotating body. For example, bearings are often used in assembling motors on high-speed rails, and the bearings are used for supporting power shafts of the motors. The bearing generally comprises an inner ring, an outer ring and balls. The balls are distributed between the inner and outer races, and lubricating oil is typically injected between the inner and outer races of the bearing to lubricate the surfaces of the balls. The prior method for oiling the bearing is to place the bearing on a workbench and then manually inject lubricating oil into the bearing which is standing still. However, this method has problems of wasting lubricating oil and long oiling time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an oil injection device for a bearing, which is used for improving the oil injection efficiency of the bearing.
In one embodiment of the present invention, there is provided an oil injection device for a bearing, including: the bearing comprises a base, a bearing seat and a bearing seat, wherein a groove is formed in the base, and a step surface is arranged on the inner peripheral wall of the groove and is suitable for supporting an outer ring of the bearing when the axis of the bearing is vertical to the bottom wall of the groove; a gland which is arranged to abut against an opening at one end of an inner ring of the bearing and close the opening of the inner ring; an oil hole formed in the base or the press cover and leading to the groove.
According to the scheme, in the process of filling oil into the bearing by using the oil filling device provided by the utility model, lubricating oil enters the groove on the base through the oil filling hole, the step surface on the base can seal the outer ring of the bearing and the gland can seal the opening at one end of the inner ring of the bearing, and along with the fact that the groove is filled with the lubricating oil in the oil filling process, the lubricating oil can enter the periphery of the ball of the bearing through the gap between the inner ring and the outer ring of the bearing, and part of the lubricating oil can overflow to the other side of the bearing, so that the purpose of filling oil into the bearing is realized. And, only need control the oiling volume can accomplish the oiling operation to the bearing after installing the bearing between base and gland in this oiling operation, greatly improved the efficiency to the bearing oiling.
In a preferred embodiment of the oil injecting device provided in the above embodiment, the inner peripheral wall of the recess is provided with a plurality of step surfaces adapted to match the outer rings of different diameters in a direction outward from the center of the bottom wall of the recess.
According to the scheme, the base can meet the requirement of oiling the bearings with different sizes by arranging the step surfaces with different diameters.
In a preferred embodiment of the oil injection device provided in the above embodiment, the base and the gland are configured with an annular groove adapted to seat a bearing.
According to the scheme, in the process of filling oil to the bearing, oil is only required to be filled into the annular groove, so that the bearing can be filled with less lubricating oil, and the waste of the lubricating oil is avoided.
In a preferred embodiment of the oil injection device provided in the above embodiment, the gland is provided with an extension with a gradually decreasing diameter towards the end thereof, and the extension is adapted to partially penetrate into the inner ring of the bearing and abut against the opening at one end of the inner ring.
It can be seen from the above solution that the purpose of closing the opening at one end of the inner race of bearings of different sizes is satisfied due to the gradual reduction in diameter of the extension of the gland towards its end, and that the passage of this extension partially through the bearing reduces the amount of lubrication oil required for filling the bearing to avoid waste of lubrication oil.
In a preferred embodiment of the oil injection device provided in the above embodiment, a sealing portion is formed at a position of the gland adapted to abut against the opening at one end of the inner ring of the bearing, for example, the gland may be made of a flexible sealing material wholly or at least partially to further ensure the sealing performance of the gland against the opening of the inner ring of the bearing, and the extension of the gland may be made of a flexible sealing material such as rubber.
In a preferred implementation manner of the oil injection device provided by the above embodiment, the pressing cover is further provided with a connecting end which is adapted to penetrate through the inner ring of the bearing and is connected with the inner bottom surface of the base. For example, a threaded hole may be provided in the inner bottom surface of the base, the connection end being provided as a threaded connection end; for example, a screw post may be provided on the inner bottom surface of the base, and the connection end of the gland may be connected to the screw post.
In the scheme, the pressing cover can be pressed on the bearing by hand when the bearing is subjected to oil injection operation. In addition, if be provided with the link on the gland, through being connected the link on the gland with the interior bottom surface of base, can avoid the lubricating oil in the recess to push the gland open to it is more convenient to make the oiling operation of bearing.
In a preferred embodiment of the oil injection device provided in the above embodiment, the groove is an annular groove disposed around a boss on the base, and the boss is adapted to partially extend into the inner race of the bearing.
According to the scheme, when the bearing is subjected to oil injection operation, the bearing can be placed in the groove, so that the purpose of meeting the oil injection requirement of the bearing by using a small amount of oil injection is achieved, and the waste of lubricating oil is avoided.
In a preferred embodiment of the oil injection device provided in the above embodiment, the root of the boss has a diameter gradually decreasing in a direction away from the bottom surface of the base, and the boss is adapted to be connected to the gland.
It can be seen from the above scheme that through the above change of the diameter of the root of the boss, the oil injection amount can be further reduced while the oil injection requirement of the bearing is met, so as to avoid the waste of lubricating oil.
In a preferred embodiment of the oil injection device provided in the above embodiment, the inner circumferential wall adjacent to the step surface is configured to match an outer circumferential wall of an outer ring of a bearing.
According to the scheme, when the inner circumferential wall adjacent to the step surface is matched with the outer circumferential wall of the outer ring of the bearing, the bearing can be well positioned, the bearing is prevented from moving on the step surface, lubricating oil can be prevented from being filled to the outer circumferential wall of the outer ring of the bearing as far as possible, and meanwhile, the waste of the lubricating oil in the bearing oil injection process can be reduced.
According to the scheme, the oil can be filled into the groove on the base of the oil filling device through a device such as an oil tank, an oil pump and the like in a factory, or the oil can be filled into the groove on the base through a syringe. Meanwhile, the base, the gland and the oil supply equipment can be assembled into a complete set of product, so that the oil injection operation of the bearing is further facilitated.
In a preferred implementation manner of the oil injection device provided in the above embodiment, the oil injection device further includes an oil supply device connected to the oil injection hole through an oil pipe; the oil supply apparatus includes: oil tank and oil pump, the entrance point of oil pump with the oil tank intercommunication, the exit end of oil pump with the oil filler point intercommunication, so can be with the lubricating oil suction base in the oil tank in the recess through the oil pump. The oil pump can be pneumatic or electric, and when the oil pump is pneumatic, the air compressor can provide power for the oil pump.
In another preferred embodiment, the oil supply equipment may further include an oil tank and an air pipe, the oil tank being communicated with the air pipe through an outlet end thereof, and the oil tank being communicated with the oil filler hole through an outlet end thereof. So, can connect air compressor on the gas-supply pipe, through in order to reach the lubricating oil extrusion in the oil tank and fill the purpose in the recess with compressed air injection oil tank.
In a preferred implementation manner of the oil injection device provided in the above embodiment, the oil injection device further includes an operation table, and at least one base is disposed on the operation table. So, this oiling device can realize carrying out the purpose of oiling to a plurality of bearings simultaneously, can further improve the efficiency to the bearing oiling.
Drawings
The foregoing and other features and advantages of the utility model will become more apparent to those skilled in the art to which the utility model relates upon consideration of the following detailed description of a preferred embodiment of the utility model with reference to the accompanying drawings, in which:
fig. 1 is a sectional view of an oil injection apparatus for a bearing according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an oil injection device for a bearing according to another embodiment of the present invention.
Wherein the reference numbers are as follows:
1-base 11-inner peripheral wall 12-step surface
13 groove 2-gland 21-oil filler point
22-oil pipe 3-bearing 31-inner ring
32-outer ring 33-ball 4-oil tank
41-oil pump 42-valve 43-operation table
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
As shown in fig. 1, in an embodiment of the oil injection device for the bearing 3 provided by the utility model, the oil injection device comprises a base 1 and a gland 2 clamped at two sides of the bearing 3, a groove 13 is formed on the base 1, a step surface 12 is arranged on an inner circumferential wall 11 of the groove 13, the step surface 12 is suitable for supporting an outer ring 32 of the bearing 3 when the axis of the bearing 3 is vertical to the bottom wall of the groove 13, and it should be noted that the step surface 12 can be closely contacted with the bottom surface of the outer ring 32 of the bearing 3 and reduce the leakage of lubricating oil besides the function of supporting the outer ring 32 of the bearing 3. The gland 2 is arranged to abut against an opening at one end of the inner race 31 of the bearing 3 and to close the opening of the inner race 31. An oil hole 21 leading to the groove 13 is also formed in the gland 2. It should be noted that the oil injection hole 21 may be formed on the base 1 or the cover 2, and both of them are open to the groove 13.
It can be seen from the above solution that, in the process of filling oil into the bearing 3 by using the oil filling device provided by the present invention, the lubricating oil enters the groove 13 on the base 1 through the oil filling hole 21, the step surface 12 on the base 1 can close the outer ring 32 of the bearing 3 and the opening of one end of the inner ring 31 of the bearing 3 can be closed by the gland 2, as the groove 13 is filled with the lubricating oil in the oil filling process, the lubricating oil enters the periphery of the ball 33 of the bearing 3 through the gap between the inner ring 31 and the outer ring 32 of the bearing 3, and part of the lubricating oil overflows to the other side of the bearing 3, thereby achieving the purpose of filling oil into the bearing 3. Moreover, the bearing 3 is installed between the base 1 and the gland 2 in the oiling operation, and then the oiling operation of the bearing 3 can be completed only by controlling the oiling amount, so that the oiling efficiency of the bearing 3 is greatly improved.
In a preferred embodiment of the oil injection device provided in the above embodiment, as shown in fig. 1, the inner circumferential wall 11 of the recess 13 may be provided with a plurality of step surfaces 12 adapted to match outer rings 32 of different diameters in a direction outward from the center of the bottom wall of the recess 13. In this way, the pedestal 1 can satisfy the requirement of performing the oiling operation for the bearings 3 of different sizes by providing the plurality of step surfaces 12 having different diameters.
In a preferred embodiment of the oil injection device provided in the above embodiment, the base 1 and the gland 2 are configured with annular grooves adapted to seat the bearings 3. So, carry out the in-process of oiling to bearing 3, only need to this ring channel in the oiling can, can realize filling with less lubricating oil filling to bearing 3 like this to avoid the waste of lubricating oil. Wherein, the annular groove can be formed by the base 1 itself, or by the base 1 and the gland 2 in a matching way.
In a preferred embodiment of the oil injection device provided in the above embodiment, as shown in fig. 1, the gland 2 is provided with an extension having a diameter gradually decreasing toward the distal end thereof, and the extension is adapted to partially penetrate into the inner ring 31 of the bearing 3 and abut against an opening at one end of the inner ring 31. In this way, since the extension of the gland 2 gradually decreases in diameter toward the distal end thereof, the purpose of closing the opening at one end of the inner race 31 of the bearing 3 of different sizes can be satisfied, and the extension partially passing through the bearing 3 can reduce the amount of lubricating oil required for filling the bearing 3 to avoid the waste of lubricating oil.
In a preferred embodiment of the oil injection device provided in the above embodiment, the gland 2 is formed with a sealing portion at a position adapted to abut against the opening at one end of the inner ring 31 of the bearing 3, for example, the gland 2 may be made of a flexible sealing material entirely or at least partially to further ensure the sealing performance of the gland 2 against the opening of the inner ring 31 of the bearing 3, the extension of the gland 2 may be made of a flexible sealing material such as rubber, or the gland 2 itself may be made of a flexible sealing material such as rubber.
In a preferred embodiment of the oil injection device provided in the above embodiment, the gland 2 is further provided with a connecting end adapted to pass through the inner ring 31 of the bearing 3 and connect with the inner bottom surface of the base 1. For example, a threaded hole may be provided in the inner bottom surface of the base 1, the connection end being provided as a threaded connection end; for example, a screw post may be provided on the inner bottom surface of the base 1, and the connection end of the cover 2 may be connected to the screw post.
As can be seen from the above-described configuration, the pressing cover 2 can be pressed against the bearing 3 by hand when the oil is injected into the bearing 3. In addition, if be provided with the link on the gland 2, through being connected the link on the gland 2 with the interior bottom surface of base 1, can avoid the lubricating oil in the recess 13 to push away gland 2 to it is more convenient to make the oiling operation of bearing 3.
In a preferred embodiment of the oil injection device provided in the above embodiment, the recess 13 may also be an annular groove provided around a boss on the base 1, the boss being adapted to extend partially into the inner race 31 of the bearing 3. Thus, when the bearing 3 is filled with oil, the bearing 3 can be placed in the groove 13, so as to meet the oil filling requirement of the bearing 3 with a smaller oil filling amount, and avoid the waste of lubricating oil.
Preferably, the root of the boss may gradually decrease in diameter in a direction away from the bottom surface of the base 1, and the boss is adapted to be coupled with the gland 2.
It can be seen from the above scheme that through the above change of the diameter of the root of the boss, the oil injection amount can be further reduced while the oil injection requirement of the bearing 3 is met, the rapid water and oil injection of the bearing 3 is realized, and the waste of lubricating oil is avoided.
In a preferred embodiment of the oil injection device provided in the above embodiment, the inner circumferential wall 11 adjacent to the step surface 12 may be provided to be adapted to match the outer circumferential wall of the outer ring 32 of the bearing 3. Thus, when the inner circumferential wall 11 adjacent to the step surface 12 is matched with the outer circumferential wall of the outer ring 32 of the bearing 3, the bearing 3 can be well positioned, the bearing 3 is prevented from moving on the step surface 12, lubricating oil can be prevented from being filled to the outer circumferential wall of the outer ring 32 of the bearing 3 as much as possible, and meanwhile, the waste of the lubricating oil in the oil injection process of the bearing 3 can be reduced.
As can be seen from the above solution, the oil can be filled into the groove 13 on the base 1 of the oil filling device by the oil tank 4, the oil pump 41 and other devices in the factory, or the oil can be filled into the groove 13 on the base 1 by the injector. Meanwhile, the base 1, the gland 2 and the oil supply equipment can be assembled into a complete set of product, and the oil injection operation of the bearing 3 is further facilitated.
In a preferred embodiment of the oil injection device provided in the above embodiment, as shown in fig. 2, the oil injection device may further include an oil supply device connected to the oil hole 21 through an oil pipe 22; the oil supply apparatus includes: the inlet end of the oil pump 41 is communicated with the oil tank 4, an oil pipe 22 can be connected to the bottom of the oil tank 4, or the oil pipe 22 extends into the bottom of the oil tank 4 from top to bottom to facilitate the oil suction of the oil pump 41, then, the outlet end of the oil pump 41 is communicated with the oil filling hole 21, so that the lubricating oil in the oil tank can be sucked into the groove 13 of the base 1 through the oil pump 41. The oil pump 41 may be pneumatic or electric, and when the oil pump 41 is pneumatic, an air compressor may provide power to the oil pump.
In another preferred embodiment, the oil supply apparatus may further include an oil tank 4 and a gas pipe, the inside of the oil tank 4 being communicated with the gas pipe, and the oil tank 4 being communicated with the oil filler hole 21 through an outlet end thereof. So, can connect air compressor on the gas-supply pipe, through pour into compressed air into in the oil tank 4 in order to reach the exit end of pressing out the lubricating oil in the oil tank 4 to fill the purpose in the recess 13 with lubricating oil.
In a preferred implementation of the oil injection device provided in the above embodiment, the oil injection device may further include an operation table 43, and at least one base 1 is disposed on the operation table 43. So, this oiling device can realize carrying out the purpose of oiling to a plurality of bearings 3 simultaneously, can further improve the efficiency to the oiling of bearing 3.
The utility model relates to the technical field of bearings, in particular to an oil injection device for a bearing 3. The oil injection device comprises a base 1 and a gland 2, and an oil injection hole 21 leading to a groove 13 arranged on the base 1 is formed on the base 1 or the gland 2. In the process of using the oil injection device to inject oil into the bearing 3, the lubricating oil enters the groove 13 on the base 1 through the oil injection hole 21, the step surface 12 on the base 1 can seal the outer ring 32 of the bearing 3 and the opening at one end of the inner ring 31 of the bearing 3, the groove 13 is filled with the lubricating oil in the oil injection process, and the lubricating oil overflows to the other side of the bearing 3, so that the oil injection of the bearing 3 is realized, and the oil injection efficiency of the bearing 3 is greatly improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An oiling device for bearings (3), characterized in that it comprises:
a base (1) having a recess (13) formed therein and provided with a step surface (12) on an inner peripheral wall (11) of the recess (13), the step surface (12) being adapted to support an outer race (32) of a bearing (3) when an axis of the bearing (3) is perpendicular to a bottom wall of the recess (13);
a gland (2) which is arranged to abut against an opening at one end of an inner ring (31) of the bearing (3) and to close the opening of the inner ring (31);
an oil filler hole (21) formed on the base (1) or the gland (2) and leading to the groove (13).
2. The oiling device according to claim 1, characterized in that the inner peripheral wall (11) of the groove (13) is provided with a plurality of step surfaces (12) adapted to match the outer rings (32) of different diameters in a direction outward from the center of the bottom wall of the groove (13).
3. The oiling device according to claim 1, characterized in that the base (1) and the gland (2) are configured with an annular groove suitable for housing a bearing (3).
4. The oiling device according to claim 1, characterized in that the gland (2) is provided with an extension of decreasing diameter towards its extremity, suitable for partially penetrating the inner ring (31) of the bearing (3) and resting on an opening at one end of the inner ring (31).
5. The oiling device according to claim 1, characterized in that the gland (2) is also provided with a connecting end adapted to pass through the inner ring (31) of the bearing (3) and connect with the inner bottom surface of the base (1).
6. The oiling device according to claim 1, characterized in that the recess (13) is an annular groove provided around a boss on the base (1) adapted to partially project into the inner ring (31) of the bearing (3).
7. The oiling device according to claim 6, characterized in that the root of the boss is gradually reduced in diameter in the direction away from the bottom surface of the base (1), and the boss is adapted to be connected with the gland (2).
8. The oil injection device according to claim 1, characterized in that the inner circumferential wall (11) adjoining on the stepped surface (12) is provided so as to be adapted to match an outer circumferential wall of an outer ring (32) of a bearing (3).
9. The oiling device according to claim 1, characterized by further comprising an oil supply device connected with the oiling hole (21) through an oil pipe (22); the oil supply apparatus includes:
the inlet end of the oil pump (41) is communicated with the oil tank (4), and the outlet end of the oil pump (41) is communicated with the oil filling hole (21); or,
oil tank (4) and gas-supply pipe, the inside of oil tank (4) with the gas-supply pipe intercommunication, just oil tank (4) through its exit end with oil filler point (21) intercommunication.
10. The oiling device of claim 1, wherein:
a sealing part is formed at the position of the gland (2) which is suitable for abutting against the opening at one end of the inner ring (31) of the bearing (3); or,
the oiling device further comprises an operating platform (43), and at least one base (1) is arranged on the operating platform (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789880.3U CN216556426U (en) | 2021-11-15 | 2021-11-15 | Oil injection device for bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122789880.3U CN216556426U (en) | 2021-11-15 | 2021-11-15 | Oil injection device for bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216556426U true CN216556426U (en) | 2022-05-17 |
Family
ID=81573462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122789880.3U Active CN216556426U (en) | 2021-11-15 | 2021-11-15 | Oil injection device for bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216556426U (en) |
-
2021
- 2021-11-15 CN CN202122789880.3U patent/CN216556426U/en active Active
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