CN210919837U - Self-lubricating rolling bearing - Google Patents
Self-lubricating rolling bearing Download PDFInfo
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- CN210919837U CN210919837U CN201921361714.XU CN201921361714U CN210919837U CN 210919837 U CN210919837 U CN 210919837U CN 201921361714 U CN201921361714 U CN 201921361714U CN 210919837 U CN210919837 U CN 210919837U
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Abstract
The utility model provides a self-lubricating antifriction bearing, self-lubricating antifriction bearing includes: the self-lubricating oil pump comprises an inner ring, an outer ring, balls, a self-lubricating sliding layer, an oil filling hole, a guide hole and an oil plug; a first double-layer raceway is arranged on the outer wall of the inner ring; the outer ring is sleeved on the outer side of the inner ring, and a gap is reserved between the outer ring and the inner ring; a second double-layer raceway is arranged on the inner wall of the outer ring and is opposite to the first double-layer raceway; a plurality of balls are simultaneously embedded into the first double-layer raceway and the second double-layer raceway; the self-lubricating sliding layer is arranged on the inner wall of the outer ring; the oil filling hole is arranged on the upper surface of the inner ring; the guide hole is arranged on the side wall of the inner ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the first double-layer raceway; the oil plug is embedded in the oil filling hole. Through pouring into lubricating oil into the oil filler point, when the realization is lubricated the ball, also can realize with lubricating oil storage in the guide hole to realize lubricating oil whirl play to first double-deck raceway in.
Description
Technical Field
The utility model relates to a antifriction bearing technical field particularly, has related to a self-lubricating antifriction bearing.
Background
At present, in the related art, the existing rolling bearing cannot be automatically lubricated, so that the maintenance frequency of the rolling bearing is increased, and the rolling bearing is easily damaged, so that the service life of the rolling bearing is reduced, and the use experience of the rolling bearing is reduced.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model provides a self-lubricating antifriction bearing.
In view of this, the utility model provides a self-lubricating antifriction bearing, self-lubricating antifriction bearing includes: the self-lubricating oil pump comprises an inner ring, an outer ring, balls, a self-lubricating sliding layer, an oil filling hole, a guide hole and an oil plug; a first double-layer raceway is arranged on the outer wall of the inner ring; the outer ring is sleeved on the outer side of the inner ring, and a gap is reserved between the outer ring and the inner ring; a second double-layer raceway is arranged on the inner wall of the outer ring and is opposite to the first double-layer raceway; a plurality of balls are simultaneously embedded into the first double-layer raceway and the second double-layer raceway; the self-lubricating sliding layer is arranged on the inner wall of the outer ring; the oil filling hole is arranged on the upper surface of the inner ring; the guide hole is arranged on the side wall of the inner ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the first double-layer raceway; the oil plug is embedded in the oil filling hole.
In the technical scheme, firstly, a first double-layer raceway is arranged on the outer wall of an inner ring, an outer ring is sleeved on the outer side of the inner ring, a gap is formed between the outer ring and the inner ring, and meanwhile, a second double-layer raceway is arranged on the inner wall of the outer ring and is opposite to the first double-layer raceway; secondly, a plurality of balls are simultaneously embedded into the first double-layer raceway and the second double-layer raceway so as to realize relative rotation between the inner ring and the outer ring, thereby improving the rotation flexibility of the inner ring and the outer ring; thirdly, the self-lubricating sliding layer is arranged on the inner wall of the outer ring to enable the self-lubricating sliding layer to be in contact with the balls, so that the friction coefficient of the balls and the outer ring is reduced, and the lubricating effect is improved; thirdly, the oil filling hole is arranged on the upper surface of the inner ring, the guide hole is arranged on the side wall of the inner ring, one end of the guide hole is communicated with the oil filling hole, the other end of the guide hole is communicated with the first double-layer raceway, so that lubricating oil flows into the first double-layer raceway through the oil filling hole and the guide hole, and the ball is lubricated; and thirdly, the oil plug is embedded into the oil filler hole to realize the sealing of the oil filler hole, so that when the inner ring and the outer ring rotate relatively, the lubricating oil flows out through the oil filler hole, and the waste of the lubricating oil is avoided. Because a plurality of balls are embedded into the first double-layer raceway and the second double-layer raceway at the same time, the bearing performance of the bearing is greatly improved under the condition that the overall dimension of the bearing is not increased, the bearing capacity of the bearing is obviously improved under the condition that the space and the weight cannot be greatly increased, and the market competitiveness of the product is improved. Adopt this kind of mode, moreover, simple structure, in pouring lubricating oil into the oil filler point, when the realization is lubricated to the ball, also can realize lubricating oil storage in the guide hole, thereby realize when inner circle and outer lane take place relative rotation, the rotatory outflow of lubricating oil of storage in the guide hole to first double-deck raceway, and then realize the self-lubricate to the ball, reduce the maintenance number of times to antifriction bearing, prolong antifriction bearing's life, and reduce the produced noise of ball, antifriction bearing's use experience has been improved.
Additionally, the utility model provides a self-lubricating antifriction bearing among the above-mentioned technical scheme can also have following additional technical characteristics:
in the above technical solution, preferably, the self-lubricating rolling bearing further includes: the clamping groove, the positioning groove and the dust cover are arranged; the two clamping grooves are arranged on the inner wall of the outer ring and are respectively positioned above and below the ball; the two positioning grooves are arranged on the outer wall of the inner ring, are respectively positioned above and below the ball, and are opposite to the clamping grooves; the dustproof cover is in a circular ring shape, the outer edge of the dustproof cover is embedded into the clamping groove, and the inner edge of the dustproof cover is embedded into the positioning groove; the section of one end of the dustproof cover is arc-shaped, and one end of the dustproof cover is matched with the inner wall of the clamping groove.
In the technical scheme, two clamping grooves are arranged on the inner wall of the outer ring, two positioning grooves are arranged on the outer wall of the inner ring, and the positioning grooves and the clamping grooves are opposite in pairs, so that the clamping grooves and the positioning grooves which are opposite are arranged above and below the ball; through in the one end embedding draw-in groove with the shield to in embedding the other end of shield constant head tank, in preventing that the dust from entering into the ball, thereby avoid causing the condition that the ball takes place to damage to take place, with the service life of extension ball. Because the cross-section of shield one end is arc to make the one end of shield and the inner wall looks adaptation of draw-in groove, consequently reduce the degree of difficulty that the shield imbeds the draw-in groove, thereby improve the assembly efficiency of shield, simultaneously, also reduced the loading and unloading degree of difficulty of shield, so that the bearing is maintained and is maintained.
In the above technical solution, preferably, the self-lubricating rolling bearing further includes: a gasket; the sealing gasket is an elastic body and is arranged between the dust cover and the clamping groove and between the dust cover and the positioning groove.
In this technical scheme, set up to the elastomer through sealed electricity to seal up the setting between shield and draw-in groove and constant head tank, with the leakproofness that improves shield and draw-in groove and constant head tank, thereby avoid lubricating oil to flow from the clearance between shield and draw-in groove and the constant head tank, and then improve the leakproofness of shield.
In the above technical solution, preferably, the self-lubricating rolling bearing further includes: a protrusion; the bulge is arranged on the side face, deviating from the ball, of the dustproof cover.
In this technical scheme, through setting up protruding setting on the side that the shield deviates from the ball to when realizing inner circle and outer lane relative rotation, protruding outside wind-force that produces is in order to eliminate the dust and to the depending on of shield, at the probability that reduces the dust entering ball, still guarantees the cleanliness factor of shield.
In the above technical solution, preferably, the protrusion is a sector protrusion.
In this technical scheme, through setting up the arch into fan-shaped arch, further realize when inner circle and outer lane relative rotation, the arch produces outside wind-force to eliminate the dust and to the depend on of shield, reduce the probability that the dust got into the ball, still guarantee the cleanliness factor of shield.
In the above technical solution, preferably, the thickness of the self-lubricating sliding layer is 0.05 mm.
In this technical scheme, set up to 0.05mm through the thickness with self-lubricating sliding layer to reduce the coefficient of friction of ball and outer lane, further improve lubricated effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural view of a self-lubricating rolling bearing according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a of fig. 1 showing a structural schematic view of a self-lubricating rolling bearing according to an embodiment of the present invention;
wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
12 inner ring, 14 outer ring, 16 balls, 18 self-lubricating sliding layer, 20 oil filling holes, 22 guide holes, 24 oil plugs, 26 clamping grooves, 28 positioning grooves, 30 dust covers, 32 sealing gaskets and 34 bulges.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The self-lubricating rolling bearing according to some embodiments of the present invention is described below with reference to fig. 1 and 2.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the utility model provides a self-lubricating antifriction bearing, self-lubricating antifriction bearing includes: the inner ring 12, the outer ring 14, the balls 16, the self-lubricating sliding layer 18, the oil filling holes 20, the guide holes 22 and the oil plugs 24; a first double-layer raceway is arranged on the outer wall of the inner ring 12; the outer ring 14 is sleeved outside the inner ring 12, and a gap is reserved between the outer ring 14 and the inner ring 12; a second double-layer raceway is arranged on the inner wall of the outer ring 14, and the second double-layer raceway is opposite to the first double-layer raceway; a plurality of balls 16 are embedded in the first double-layer raceway and the second double-layer raceway simultaneously; a self-lubricating sliding layer 18 is provided on the inner wall of the outer race 14; the oil filler hole 20 is provided in the upper surface of the inner ring 12; a guide hole 22 is provided on the side wall of the inner ring 12, one end of the guide hole 22 being communicated with the oil filler hole 20, and the other end of the guide hole 22 being communicated with the first double-layered raceway; the oil plug 24 is inserted into the oil hole 20.
In this embodiment, first, the outer ring 14 is sleeved outside the inner ring 12 by providing the outer wall of the inner ring 12 with the first double-layer raceway, and making a gap between the outer ring 14 and the inner ring 12, and at the same time, the inner wall of the outer ring 14 is provided with the second double-layer raceway, and making the second double-layer raceway face the first double-layer raceway; secondly, a plurality of balls 16 are simultaneously embedded into the first double-layer raceway and the second double-layer raceway to realize relative rotation between the inner ring 12 and the outer ring 14, so that the rotation flexibility of the inner ring 12 and the outer ring 14 is improved; thirdly, the self-lubricating sliding layer 18 is arranged on the inner wall of the outer ring 14, so that the self-lubricating sliding layer 18 is in contact with the balls 16, the friction coefficient between the balls 16 and the outer ring 14 is reduced, and the lubricating effect is improved; thirdly, by disposing the oil filler hole 20 on the upper surface of the inner ring 12, disposing the guide hole 22 on the side wall of the inner ring 12, communicating one end of the guide hole 22 with the oil filler hole 20, and communicating the other end of the guide hole 22 with the first double-layered raceway, lubrication of the balls 16 is achieved by flowing the lubricating oil into the first double-layered raceway through the oil filler hole 20 and the guide hole 22; third, the oil plug 24 is inserted into the oil hole 20 to seal the oil hole 20, so that the lubricating oil is prevented from flowing out through the oil hole 20 when the inner ring 12 and the outer ring 14 rotate relatively, and the waste of the lubricating oil is avoided. Because a plurality of balls 16 are embedded into the first double-layer raceway and the second double-layer raceway at the same time, the bearing performance of the bearing is greatly improved under the condition that the overall dimension of the bearing is not increased, the bearing capacity of the bearing is obviously improved under the condition that the space and the weight cannot be greatly increased, and the market competitiveness of the product is improved. Adopt this kind of mode, moreover, simple structure, in pouring lubricating oil into oil filler point 20 into, when the realization is lubricated ball 16, also can realize lubricating oil storage in guide hole 22, thereby realize when inner circle 12 and outer lane 14 take place relative rotation, the rotatory outflow of lubricating oil to the first double-deck raceway in the guide hole 22 of storage, and then realize the self-lubricate to ball 16, reduce the maintenance number of times to antifriction bearing, prolong antifriction bearing's life, and reduce the produced noise of ball 16, the use experience of antifriction bearing has been improved.
In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-lubricating rolling bearing further includes: a clamping groove 26, a positioning groove 28 and a dust cover 30; the two clamping grooves 26 are arranged on the inner wall of the outer ring 14, and the two clamping grooves 26 are respectively positioned above and below the balls 16; two positioning grooves 28 are arranged on the outer wall of the inner ring 12, the two positioning grooves 28 are respectively positioned above and below the balls 16, and the positioning grooves 28 are opposite to the clamping grooves 26; the dustproof cover 30 is annular, the outer edge of the dustproof cover 30 is embedded into the clamping groove 26, and the inner edge of the dustproof cover 30 is embedded into the positioning groove 28; the section of one end of the dust cover 30 is arc-shaped, and one end of the dust cover 30 is matched with the inner wall of the clamping groove 26.
In this embodiment, two slots 26 are arranged on the inner wall of the outer ring 14, two positioning grooves 28 are arranged on the outer wall of the inner ring 12, and the positioning grooves 28 and the slots 26 are opposite to each other in pairs, so that the upper part and the lower part of the ball 16 are provided with the opposite slots 26 and positioning grooves 28; one end of the dust cover 30 is embedded into the clamping groove 26, and the other end of the dust cover 30 is embedded into the positioning groove 28, so that dust is prevented from entering the ball 16, the situation that the ball 16 is damaged is avoided, and the service life of the ball 16 is prolonged. Because the cross-section of shield 30 one end is arc to make the one end of shield 30 and the inner wall looks adaptation of draw-in groove 26, consequently, reduce the degree of difficulty that shield 30 imbeds draw-in groove 26, thereby improve the assembly efficiency of shield 30, simultaneously, also reduced the loading and unloading degree of difficulty of shield 30, so that the bearing is maintained and is maintained.
In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-lubricating rolling bearing further includes: a seal gasket 32; the sealing gasket 32 is an elastomer, and the sealing gasket 32 is arranged between the dust cover 30 and the clamping groove 26 and the positioning groove 28.
In this embodiment, the sealing gasket 32 is disposed between the dust cap 30 and the locking groove 26 and the positioning groove 28 by disposing the sealing gasket as an elastic body, so as to improve the sealing performance between the dust cap 30 and the locking groove 26 and the positioning groove 28, thereby preventing the lubricating oil from flowing out from the gap between the dust cap 30 and the locking groove 26 and the positioning groove 28, and further improving the sealing performance of the dust cap 30.
In an embodiment of the present invention, preferably, as shown in fig. 1 and 2, the self-lubricating rolling bearing further includes: the projections 34; the projections 34 are provided on the side of the dust cap 30 facing away from the balls 16.
In this embodiment, the protrusions 34 are arranged on the side of the dust cap 30 facing away from the balls 16, so that when the inner ring 12 and the outer ring 14 rotate relatively, the protrusions 34 generate outward wind to eliminate the attachment of dust to the dust cap 30, thereby reducing the probability of dust entering the balls 16 and ensuring the cleanliness of the dust cap 30.
In one embodiment of the present invention, preferably, the protrusion 34 is a fan-shaped protrusion 34.
In this embodiment, by providing the protrusions 34 as the fan-shaped protrusions 34, it is further achieved that the protrusions 34 generate an outward wind force when the inner ring 12 and the outer ring 14 rotate relatively, so as to eliminate attachment of dust to the dust cap 30, and to ensure cleanliness of the dust cap 30 while reducing the probability of dust entering the balls 16.
In one embodiment of the present invention, the thickness of the self-lubricating sliding layer 18 is preferably 0.05 mm.
In this embodiment, the lubricating effect is further improved by setting the thickness of the self-lubricating sliding layer 18 to 0.05mm to reduce the friction coefficient of the balls 16 with the outer ring 14.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (6)
1. A self-lubricating rolling bearing characterized by comprising:
the outer wall of the inner ring is provided with a first double-layer raceway;
the outer ring is sleeved on the outer side of the inner ring, and a gap is reserved between the outer ring and the inner ring;
a second double-layer raceway is arranged on the inner wall of the outer ring and is opposite to the first double-layer raceway;
balls, a plurality of which are embedded in the first double-layer raceway and the second double-layer raceway at the same time;
the self-lubricating sliding layer is arranged on the inner wall of the outer ring;
the oil filling hole is arranged on the upper surface of the inner ring;
the guide hole is arranged on the side wall of the inner ring, one end of the guide hole is communicated with the oil injection hole, and the other end of the guide hole is communicated with the first double-layer raceway;
the oil plug is embedded into the oil filling hole.
2. The self-lubricating rolling bearing of claim 1, further comprising:
the two clamping grooves are arranged on the inner wall of the outer ring and are respectively positioned above and below the ball;
the two positioning grooves are arranged on the outer wall of the inner ring, are respectively positioned above and below the ball, and are opposite to the clamping grooves;
the dustproof cover is in a ring shape, the outer edge of the dustproof cover is embedded into the clamping groove, and the inner edge of the dustproof cover is embedded into the positioning groove;
the section of one end of the dustproof cover is circular, and one end of the dustproof cover is matched with the inner wall of the clamping groove.
3. The self-lubricating rolling bearing of claim 2, further comprising:
the sealing gasket is an elastic body and arranged between the dustproof cover and the clamping groove and the positioning groove.
4. The self-lubricating rolling bearing of claim 3, further comprising:
the protrusion is arranged on the side face, deviating from the ball, of the dustproof cover.
5. Self-lubricating rolling bearing according to claim 4, characterized in that:
the bulges are fan-shaped bulges.
6. Self-lubricating rolling bearing according to any of claims 1 to 5, characterized in that:
the thickness of the self-lubricating sliding layer is 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361714.XU CN210919837U (en) | 2019-08-21 | 2019-08-21 | Self-lubricating rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921361714.XU CN210919837U (en) | 2019-08-21 | 2019-08-21 | Self-lubricating rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919837U true CN210919837U (en) | 2020-07-03 |
Family
ID=71347466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921361714.XU Expired - Fee Related CN210919837U (en) | 2019-08-21 | 2019-08-21 | Self-lubricating rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565945A (en) * | 2021-07-29 | 2021-10-29 | 浙江中益机械有限公司 | High-strength pin gear transmission set |
-
2019
- 2019-08-21 CN CN201921361714.XU patent/CN210919837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565945A (en) * | 2021-07-29 | 2021-10-29 | 浙江中益机械有限公司 | High-strength pin gear transmission set |
| CN113565945B (en) * | 2021-07-29 | 2023-10-27 | 浙江中益机械有限公司 | High-strength pin gear transmission group |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |
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| CF01 | Termination of patent right due to non-payment of annual fee |