CN212028343U - Bearing with good sealing performance - Google Patents
Bearing with good sealing performance Download PDFInfo
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- CN212028343U CN212028343U CN202020635542.7U CN202020635542U CN212028343U CN 212028343 U CN212028343 U CN 212028343U CN 202020635542 U CN202020635542 U CN 202020635542U CN 212028343 U CN212028343 U CN 212028343U
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- inner circle
- fixed skeleton
- lip
- outer lane
- steel ball
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Abstract
The utility model belongs to the technical field of the bearing technique and specifically relates to indicate a bearing that leakproofness is good, including the inner circle, the outer lane, steel ball and holder, the inner circle sets up in the outer lane, the steel ball is located between inner circle and the outer lane, the holder sets up between inner circle and outer lane, the both sides of holder are provided with the sealing member respectively, the sealing member is including fixed skeleton and sealed glue, the outside and the outer lane fixed connection of fixed skeleton, the inboard of fixed skeleton is provided with the clearance between with, sealed glue pastes in the inboard of fixed skeleton, sealed both ends of gluing are contradicted fixed skeleton and inner circle respectively, sealed glue is provided with first lip and second lip with the position that the inner circle was contradicted, first lip is towards fixed skeleton, fixed skeleton. The utility model discloses a being provided with first lip and second lip at sealed glue, effectively promoting the conflict effect of sealed glue and inner circle to combine fixed skeleton to block the effect of dust sand grain, thereby further promoted the utility model discloses a sealing performance.
Description
Technical Field
The utility model belongs to the technical field of the bearing technique and specifically relates to indicate a bearing that leakproofness is good.
Background
The bearing is a part for loading the rotating shaft, and is mainly used for fixing the position of the rotating shaft so as to improve the reliability of transmission. And in order to reduce the wearing and tearing between the loss of bearing self and bearing and the pivot, generally can be provided with lubricating oil and the sealing mechanism who corresponds in the bearing, this sealing mechanism generally makes with rubber, can prevent through the mode of contradicting in the bearing that lubricating oil from spilling to prevent that external particulate matter from getting into the interior pollution grease of bearing.
However, the sealing mechanism of the existing bearing has a structural defect, so that the sealing effect is insufficient, namely, the risk of oil leakage still exists between the sealing mechanism and the bearing, and the sealing dustproof effect is poor, so that the quality of the bearing is influenced.
Disclosure of Invention
The utility model discloses problem to prior art provides a bearing that the leakproofness is good, thereby realizes sealed effect promotion through the improvement of structure.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a pair of bearing that leakproofness is good, including inner circle, outer lane, steel ball and holder, the inner circle set up in the outer lane, the steel ball is located the inner circle with between the outer lane, the holder set up in the inner circle with be used for keeping between the outer lane the steel ball evenly distributed, the both sides of holder are provided with the sealing member respectively, and the sealing member is provided with the gap including fixed skeleton and sealed glue, the outside and the outer lane fixed connection of fixed skeleton, the inboard of fixed skeleton with between, sealed glue paste in the inboard of fixed skeleton, sealed both ends of gluing contradict respectively fixed skeleton with the inner circle, sealed glue with the position that the inner circle was contradicted is provided with first lip and second lip, first lip orientation fixed skeleton, the second lip is kept away from fixed skeleton.
Furthermore, the fixed framework comprises a first vertical part, an inclined part, a second vertical part and an abutting part, one end of the first vertical part is arranged on the inner ring, one end of the inclined part is connected to the other end of the first vertical part, one end of the second vertical part is connected to the other end of the inclined part, and the abutting part is arranged at the other end of the second vertical part; mounting grooves are respectively formed in two ends of the inner top wall of the outer ring, and the abutting parts of the two fixing frameworks are respectively mounted in the two mounting grooves;
the second vertical part is abutted against the side wall of the mounting groove, and the sealant is abutted against the first vertical part and the inclined part respectively.
Furthermore, a gap is reserved between the inner ring and the second vertical portion, the sealant is provided with a sealing portion, and the sealing portion is arranged in the gap.
Further, the sealant is made of nitrile rubber or fluororubber or silicone rubber.
Furthermore, the fixed framework is formed by punching a galvanized steel plate.
Furthermore, the outer ring is provided with a stop hole, a stop steel ball is arranged in the stop hole, and the stop steel ball is abutted against the outer ring.
Furthermore, two screws are arranged on the inner ring and used for being fixedly assembled with an external shaft.
The utility model has the advantages that: the utility model discloses a being provided with first lip and second lip at sealed glue, effectively promoting the conflict effect of sealed glue and inner circle to combine fixed skeleton to block the effect of dust sand grain, thereby further promoted the utility model discloses a sealing performance.
Drawings
Fig. 1 is a partial mechanism sectional view of the present invention.
Fig. 2 is a schematic view of the sealing member of the present invention.
Reference numerals: 1-inner ring, 2-outer ring, 3-steel ball, 4-retainer, 5-sealing element, 6-gap, 7-retaining steel ball, 8-screw, 21-mounting groove, 22-retaining hole, 51-fixing frame, 52-sealant, 511-first vertical part, 512-inclined part, 513-second vertical part, 514-abutting part, 521-first lip, 522-second lip and 523-sealing part.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model provides a bearing with good sealing performance, including inner circle 1, outer lane 2, steel ball 3 and holder 4, inner circle 1 set up in outer lane 2, steel ball 3 is located between inner circle 1 and outer lane 2, holder 4 set up in inner circle 1 with between outer lane 2 and be used for keeping steel ball 3 evenly distributed, the both sides of holder 4 are provided with sealing member 5 respectively, sealing member 5 includes fixed skeleton 51 and sealant 52, the outside of fixed skeleton 51 is connected with outer lane 2, there is a certain gap between the inboard of fixed skeleton 51 and inner circle 1, sealant 52 pastes in fixed skeleton 51 inboard, the both ends of sealant 52 contradict fixed skeleton 51 respectively with inner circle 1, sealant 52 with inner circle 1 contradict the part have two lips that inwards cave in, the side facing the fixed frame is a first lip 521, and the side away from the fixed frame is a second lip 522.
The utility model discloses a space has been formed between first lip 521 and inner circle 1 through the setting of first lip 521, can let the side of first lip 521 and the conflict effect of inner circle 1 better to increase the sealed effect between first lip 521 and inner circle 1; in the same way, the setting of second lip 522 has also increased the conflict effect between second lip 522 and the inner circle 1, thereby lets the utility model discloses a sealed effect around steel ball 3 obtains further promotion, has avoided external material to get into around holder 4 and steel ball 3 to and avoided the leakage of the lubricating oil in the holder 4.
In this embodiment, the fixed frame 51 includes a first vertical portion 511, an inclined portion 512, a second vertical portion 513 and an abutting portion 514, one end of the first vertical portion 511 is installed on the inner ring 1, one end of the inclined portion 512 is connected to the other end of the first vertical portion 511, one end of the second vertical portion 513 is connected to the other end of the inclined portion 512, and the abutting portion 514 is installed on the other end of the second vertical portion 513; mounting grooves 21 are respectively formed in two ends of the inner top wall of the outer ring 2, and the abutting parts 514 of the two fixing frameworks 51 are respectively mounted in the two mounting grooves 21;
the second vertical portion 513 abuts against the side wall of the mounting groove 21 on the outer ring 2, and the sealant 52 abuts against the first vertical portion 511 and the inclined portion 512, respectively.
Namely, the structure of the fixed framework 51 is a structure with an inclined top, and the structure has a better stress effect; the abutting portion 514 is preferably a bent hook-shaped structure so that the fixing frame 51 can be reliably mounted in the mounting groove 21 to avoid looseness, and the mounting reliability is improved by the abutting portion 514. In addition, in order to guarantee the leakproofness, the position that sealed glue 52 contradicts with fixed skeleton 51 is pasted with fixed skeleton 51 completely, can realize the spacing effect to sealed glue 52, has guaranteed that sealed glue 52 can not take place the skew.
Specifically, a gap 6 is reserved between the inner ring 1 and the second vertical portion 513, the sealant 52 is provided with a sealing portion 523, and the sealing portion 523 is installed in the gap 6, so that the positioning effect on the sealant 52 is further improved.
In the embodiment, the sealant 52 is made of nitrile rubber, fluororubber or silicone rubber, so that the sealing effect and the service life of the sealant 52 are ensured; the fixed framework 51 is formed by punching a galvanized steel sheet, so that the strength of the fixed framework 51 is ensured.
In this embodiment, a stop hole 22 is formed in the outer side of the outer ring 2, a stop steel ball 7 is installed in the stop hole 22, and the stop steel ball 7 abuts against the outer ring 2. The stop steel ball 7 is used for preventing the outer ring 2 from rotating in an external bearing seat, and avoids the generation of skid abrasion.
In this embodiment, the inner ring 1 is provided with two screws for fixing to a shaft in use.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a bearing that leakproofness is good, includes inner circle, outer lane, steel ball and holder, the inner circle set up in the outer lane, the steel ball is located the inner circle with between the outer lane, the holder set up in the inner circle with be used for keeping between the outer lane the steel ball evenly distributed, its characterized in that: the both sides of holder are provided with the sealing member respectively, and the sealing member includes fixed skeleton and sealed glue, and the outside and the outer lane fixed connection of fixed skeleton are provided with the gap between the inboard of fixed skeleton and, sealed glue paste in the inboard of fixed skeleton, sealed both ends of gluing contradict respectively fixed skeleton with the inner circle, sealed glue with the position that the inner circle was contradicted is provided with first lip and second lip, first lip orientation fixed skeleton, the second lip is kept away from fixed skeleton.
2. The good-sealing bearing according to claim 1, wherein: the fixed framework comprises a first vertical part, an inclined part, a second vertical part and an abutting part, one end of the first vertical part is arranged on the inner ring, one end of the inclined part is connected to the other end of the first vertical part, one end of the second vertical part is connected to the other end of the inclined part, and the abutting part is arranged at the other end of the second vertical part; mounting grooves are respectively formed in two ends of the inner top wall of the outer ring, and the abutting parts of the two fixing frameworks are respectively mounted in the two mounting grooves;
the second vertical part is abutted against the side wall of the mounting groove, and the sealant is abutted against the first vertical part and the inclined part respectively.
3. The good-sealing bearing according to claim 2, wherein: furthermore, a gap is reserved between the inner ring and the second vertical portion, the sealant is provided with a sealing portion, and the sealing portion is arranged in the gap.
4. The good-sealing bearing according to claim 1, wherein: the sealant is made of nitrile rubber or fluororubber or silicone rubber.
5. The good-sealing bearing according to claim 1, wherein: the fixed framework is formed by punching a galvanized steel sheet.
6. The good-sealing bearing according to claim 1, wherein: the outer ring is provided with a stop hole, a stop steel ball is arranged in the stop hole, and the stop steel ball is abutted against the outer ring.
7. The good-sealing bearing according to claim 1, wherein: and two screws are arranged on the inner ring and used for being fixedly assembled with an external shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635542.7U CN212028343U (en) | 2020-04-23 | 2020-04-23 | Bearing with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635542.7U CN212028343U (en) | 2020-04-23 | 2020-04-23 | Bearing with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028343U true CN212028343U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020635542.7U Active CN212028343U (en) | 2020-04-23 | 2020-04-23 | Bearing with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335040A (en) * | 2021-06-12 | 2021-09-03 | 南平市建阳区汽车锻压件厂 | Coaxial motor axle assembly with cooling device |
-
2020
- 2020-04-23 CN CN202020635542.7U patent/CN212028343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335040A (en) * | 2021-06-12 | 2021-09-03 | 南平市建阳区汽车锻压件厂 | Coaxial motor axle assembly with cooling device |
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