CN209943174U - Water pump bearing with high waterproof performance - Google Patents
Water pump bearing with high waterproof performance Download PDFInfo
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- CN209943174U CN209943174U CN201920215634.7U CN201920215634U CN209943174U CN 209943174 U CN209943174 U CN 209943174U CN 201920215634 U CN201920215634 U CN 201920215634U CN 209943174 U CN209943174 U CN 209943174U
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- bearing
- ring
- waterproof
- water pump
- ball
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Abstract
The utility model provides a high waterproof performance water pump bearing, including gear shaft, wedge key, waterproof retainer ring, bearing body and waterproof mechanism, the utility model discloses the setting of ball holder, the material that the ball holder adopted specifically is the bakelite, in the work occasion that seals more tightly, the heat resistance is high, and rigidity is big, and creep resistance can be good, can also realize self-lubrication; the arrangement of the check ring, the waterproof check ring and the bearing outer ring can bear a part of radial force when the balls, the bearing outer ring and the bearing inner ring are seriously abraded, so that the transmission shaft is prevented from excessively jumping, the water pump normally operates, the service life of the bearing is prolonged, and the check ring and the waterproof check ring completely seal the two ends of the bearing body, so that a better sealing effect is achieved; due to the arrangement of the waterproof mechanism, when the bearing body is damaged, the bearing is convenient to replace and simple to maintain; the ball sets up, and the effectual damage that causes the bearing when stronger overturning moment bears that prevents.
Description
Technical Field
The utility model belongs to the technical field of the water pump bearing, especially, relate to a high waterproof performance water pump bearing.
Background
The bearing plays a role in supporting the rotating body in machinery, wherein the water pump bearing is one of the bearings, and because an engine serving as an automobile core is developing towards the direction of high rotating speed and high load, higher performance requirements are put forward on the water pump bearing, such as better waterproof performance.
The invention discloses a water pump bearing with good waterproof performance, which is disclosed as CN 207195277U and comprises a mandrel and an outer ring, wherein a containing cavity is formed between the mandrel and the outer ring, a rolling part is arranged in the containing cavity, a sealing ring for sealing the containing cavity is arranged between the mandrel and the outer ring, and a metal baffle plate for blocking the surface of the sealing ring is arranged on the mandrel. Placing the rolling part in a containing cavity formed between the mandrel and the outer ring so as to form a complete bearing; the containing cavity is sealed by the sealing ring, so that the phenomenon that water vapor and the like enter the containing cavity to damage a bearing in the using process is avoided; the metal baffle plate sleeved on the mandrel is blocked and arranged on the sealing ring, certain protection effect is achieved on the sealing ring, secondly, the metal baffle plate is fixedly connected with the mandrel and rotates along with the rotation of the mandrel, the rotating metal baffle plate generates large centripetal force, when water touches the surface of the metal baffle plate, the water can splash outwards under the action of the centripetal force, and then the water is prevented from entering the accommodating cavity or damaging the sealing ring. However, the existing water pump bearing with good waterproof performance also has the problems that the heat resistance of the retainer is poor due to tight bearing sealing, the creep resistance is poor, self-lubrication cannot be realized, the abrasion of the ball, the bearing inner ring and the bearing outer ring is serious after long-term use, the shaft jumping phenomenon easily occurs, the service life is short, and the transmission shaft and the bearing are in interference fit, so that the disassembly is inconvenient and the maintenance is inconvenient.
Therefore, it is necessary to invent a water pump bearing with high waterproof performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high waterproof performance water pump bearing to solve current water pump bearing that has good waterproof performance still exist because the sealed tighter holder heat resistance of bearing is poor, creep resistance can be poor, can not realize self-lubrication, it is serious to use ball and bearing inner race wearing and tearing for a long time, the phenomenon of beating appears easily, long service life is low, and transmission shaft and bearing adopt interference fit, it is inconvenient to dismantle, the problem of the maintenance of being not convenient for. The high-waterproof-performance water pump bearing comprises a gear shaft, a wedge-shaped key, a waterproof retainer ring, a bearing body and a waterproof mechanism, wherein the gear shaft is sleeved inside the waterproof mechanism and is connected with the waterproof mechanism in a meshed mode; at least 2 wedge-shaped keys are embedded in the key grooves; the waterproof retainer ring is sleeved at one end of the waterproof mechanism, is fixed through a wedge-shaped key and is in clearance fit with the bearing outer ring; the bearing body is sleeved on the outer side of the waterproof mechanism; and the waterproof mechanism is in interference fit with the bearing inner ring and is in clearance fit with the bearing outer ring.
The bearing body comprises a bearing outer ring, balls, a ball retainer and a bearing inner ring, and an inner slide way is arranged in the middle of the inside of the bearing outer ring; the diameter of the ball is phi 8.731mm, and the ball is arranged in the ball retainer; the ball retainer is arranged between the bearing outer ring and the bearing inner ring; an outer slideway is arranged in the middle of the outer circumference of the bearing inner ring.
The width of the bearing outer ring is 4-6mm larger than that of the bearing inner ring, and the width of the bearing outer ring is increased, so that the interference fit between the bearing outer ring and the retaining ring and the waterproof retaining ring is favorably realized; the ball retainer is made of phenolic bakelite, has high heat resistance, high rigidity and good creep resistance, and can realize self-lubrication.
The waterproof mechanism comprises a check ring, a mandrel, a key groove and a rack, wherein the mandrel and the check ring are integrated and are in interference fit with the inner ring of the bearing; the plurality of key grooves are uniformly formed in the outer surface of one end of the mandrel; the rack adopts many, sets up in the inside of dabber to set up as an organic whole with the dabber.
The retainer ring is in clearance fit with the bearing outer ring, and when the balls are seriously abraded with the bearing outer ring and the bearing inner ring, the retainer ring can bear a part of radial force to prevent the transmission shaft from excessively jumping, so that the water pump normally operates, and the service life of the bearing is prolonged; the waterproof sealing glue is filled at the joint of the check ring and the waterproof check ring and the gear shaft, so that a good sealing effect can be achieved, and the water vapor is prevented from entering the bearing and causing the damage of the bearing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses ball retainer's setting, the material that ball retainer adopted specifically are the bakelite, in sealed tighter work occasion, the heat resistance is high, and rigidity is big, and creep resistance is good, can also realize self-lubrication.
2. The utility model discloses a retaining ring, the setting of retaining ring and bearing inner race, the retaining ring, retaining ring and bearing inner race clearance fit, when ball and bearing inner race wearing and tearing are serious, can undertake partly radial force, prevent the excessive beating of transmission shaft, make water pump normal operating, increased the life of bearing, retaining ring and retaining ring are sealed completely with the both ends of bearing body moreover, have played better sealed effect.
3. The utility model discloses a waterproof mechanism's setting, dabber and bearing inner race are interference fit, are connected with the gear shaft meshing, when damage appears in the bearing body, and it is convenient to change, and the maintenance is simple.
4. The utility model discloses a setting of ball, the diameter of ball are phi 8.731mm, can bear great radial pressure, make single bearing ball atress even, and the effectual damage that causes the bearing when stronger overturning moment bears that prevents.
5. The utility model discloses a setting of gear shaft has replaced the use of current optical axis, has better torque transmission, through waterproofing mechanism and this body coupling of bearing, and it is convenient to dismantle.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a sectional view of the structure of the bearing body of the present invention.
Fig. 3 is a sectional view of the waterproof mechanism of the present invention.
In the figure:
1-gear shaft, 2-wedge key, 3-waterproof retainer ring, 4-bearing body, 41-bearing outer ring, 42-ball, 43-ball retainer, 44-bearing inner ring, 5-waterproof mechanism, 51-retainer ring, 52-mandrel, 53-key groove and 54-rack.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3
The utility model provides a high waterproof performance water pump bearing, including gear shaft 1, wedge key 2, waterproof retainer ring 3, bearing body 4 and waterproof mechanism 5, gear shaft 1 cup joints inside waterproof mechanism 5 to the meshing connection; at least 2 wedge-shaped keys 2 are embedded in the key grooves 53; the waterproof retainer ring 3 is sleeved at one end of the waterproof mechanism 5, is fixed through the wedge-shaped key 2 and is in clearance fit with the bearing outer ring 41; the bearing body 4 is sleeved on the outer side of the waterproof mechanism 5; the waterproof mechanism 5 is in interference fit with the bearing inner ring 44 and in clearance fit with the bearing outer ring 41.
The bearing body 4 comprises a bearing outer ring 41, balls 42, a ball retainer 43 and a bearing inner ring 44, and an inner slide way is arranged in the middle of the inside of the bearing outer ring 41; the diameter of the ball 42 is phi 8.731mm, and the ball is arranged in the ball retainer 43; the ball retainer 43 is arranged between the bearing outer ring 41 and the bearing inner ring 44; an outer slideway is arranged in the middle of the outer circumference of the bearing inner ring 44.
The width of the bearing outer ring 41 is larger than that of the bearing inner ring 444-6mm, and the width of the bearing outer ring 41 is increased, so that the interference fit between the bearing outer ring and the retainer ring 51 and the waterproof retainer ring 3 is facilitated; the ball retainer 43 is made of phenolic bakelite, and has high heat resistance, high rigidity, good creep resistance and self-lubrication.
The waterproof mechanism 5 comprises a retainer ring 51, a mandrel 52, a key groove 53 and a rack 54, wherein the mandrel 52 and the retainer ring 51 are integrated and are in interference fit with the bearing inner ring 44; a plurality of key slots 53 are uniformly arranged on the outer surface of one end of the mandrel 52; the rack 54 is provided in plural, and is disposed inside the spindle 52 and is formed integrally with the spindle 52.
The retainer ring 51 is in clearance fit with the bearing outer ring 41, and when the balls 42 are seriously worn with the bearing outer ring 41 and the bearing inner ring 44, a part of radial force can be borne, so that excessive jumping of a transmission shaft is prevented, the water pump is enabled to normally operate, and the service life of the bearing is prolonged; the joint of the retainer ring 51, the waterproof retainer ring 3 and the gear shaft 1 is filled with waterproof sealant, so that a good sealing effect can be achieved, and the bearing is prevented from being damaged due to the fact that water vapor enters the inside of the bearing.
Principle of operation
In the utility model, when installing, at first with waterproofing mechanism 5 and bearing inner race 44 interference fit, cover waterproof retainer ring 3 in one end of dabber 52, and with wedge key 2 joint in keyway 53, fix waterproof retainer ring 3, cup joint gear shaft 1 in dabber 52, in operation, ball retainer 43 heat resistance is high, rigidity is big, creep resistance is good, can also realize self-lubrication, retainer ring 51, waterproof retainer ring 3 and bearing outer race 41 clearance fit, when ball 42 and bearing outer race 41 and bearing inner race 44 wear seriously, can bear partial radial force, prevent the excessive beating of transmission shaft, make water pump normal operating, the life of bearing has been increased, and retainer ring 51 and waterproof retainer ring 3 seal bearing body 4's both ends completely, better sealed effect has been played, dabber 52 and bearing inner race 44 are interference fit, be connected with gear shaft 1 meshing, when the bearing body 4 is damaged, the replacement is convenient, the maintenance is simple, the diameter of the ball 42 is phi 8.731mm, and the bearing can bear larger radial pressure, so that the stress of the single ball 42 is uniform, and the bearing is effectively prevented from being damaged when a stronger overturning moment is borne.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. High waterproof performance water pump bearing, its characterized in that: the bearing comprises a gear shaft (1), a wedge-shaped key (2), a waterproof retainer ring (3), a bearing body (4) and a waterproof mechanism (5), wherein the gear shaft (1) is sleeved inside the waterproof mechanism (5) and is in meshed connection; at least 2 wedge-shaped keys (2) are embedded in the key grooves (53); the waterproof retainer ring (3) is sleeved at one end of the waterproof mechanism (5), is fixed through the wedge-shaped key (2), and is in clearance fit with the bearing outer ring (41); the bearing body (4) is sleeved on the outer side of the waterproof mechanism (5); and the waterproof mechanism (5) is in interference fit with the bearing inner ring (44) and is in clearance fit with the bearing outer ring (41).
2. The water pump bearing with high waterproof performance as claimed in claim 1, wherein: the bearing body (4) comprises a bearing outer ring (41), a ball (42), a ball retainer (43) and a bearing inner ring (44), and an inner slide way is arranged in the middle of the inside of the bearing outer ring (41); the diameter of the ball (42) is phi 8.731mm, and the ball is arranged in the ball retainer (43); the ball retainer (43) is arranged between the bearing outer ring (41) and the bearing inner ring (44); an outer slideway is arranged in the middle of the outer circumference of the bearing inner ring (44).
3. The water pump bearing with high waterproof performance as claimed in claim 2, wherein: the width of the bearing outer ring (41) is 4-6mm larger than that of the bearing inner ring (44); the ball retainer (43) is made of phenolic bakelite.
4. The water pump bearing with high waterproof performance as claimed in claim 1, wherein: the waterproof mechanism (5) comprises a check ring (51), a mandrel (52), a key groove (53) and a rack (54), wherein the mandrel (52) and the check ring (51) are integrated and are in interference fit with the bearing inner ring (44); the key grooves (53) are uniformly arranged on the outer surface of one end of the mandrel (52); the rack (54) adopts a plurality of racks, is arranged inside the mandrel (52), and is integrated with the mandrel (52).
5. The water pump bearing with high waterproof performance as claimed in claim 4, wherein: the retainer ring (51) is in clearance fit with the bearing outer ring (41); waterproof sealant is filled at the joint of the retainer ring (51), the waterproof retainer ring (3) and the gear shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215634.7U CN209943174U (en) | 2019-02-20 | 2019-02-20 | Water pump bearing with high waterproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215634.7U CN209943174U (en) | 2019-02-20 | 2019-02-20 | Water pump bearing with high waterproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943174U true CN209943174U (en) | 2020-01-14 |
Family
ID=69122455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920215634.7U Expired - Fee Related CN209943174U (en) | 2019-02-20 | 2019-02-20 | Water pump bearing with high waterproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610597A (en) * | 2020-12-14 | 2021-04-06 | 人本股份有限公司 | Sealing structure of cylindrical roller |
| CN114215845A (en) * | 2021-12-24 | 2022-03-22 | 中山市盈科轴承制造有限公司 | Bearing sealing structure |
-
2019
- 2019-02-20 CN CN201920215634.7U patent/CN209943174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610597A (en) * | 2020-12-14 | 2021-04-06 | 人本股份有限公司 | Sealing structure of cylindrical roller |
| CN114215845A (en) * | 2021-12-24 | 2022-03-22 | 中山市盈科轴承制造有限公司 | Bearing sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |