CN211901308U - Slewing bearing with high-efficient leak protection function - Google Patents
Slewing bearing with high-efficient leak protection function Download PDFInfo
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- CN211901308U CN211901308U CN201922473143.5U CN201922473143U CN211901308U CN 211901308 U CN211901308 U CN 211901308U CN 201922473143 U CN201922473143 U CN 201922473143U CN 211901308 U CN211901308 U CN 211901308U
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- sealing
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- slewing bearing
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Abstract
The utility model discloses a slewing bearing with high-efficient leak protection function in the technical field of slewing bearing, which comprises an inner bearing ring, wherein the top of the inner bearing ring is provided with a raceway, the middle of the top of the raceway is provided with a ball, the top of the ball is provided with an outer bearing ring, the right end of the inner bearing ring is provided with an end cover, the left end of the end cover is provided with a sealing gasket, the left end of the sealing gasket is provided with a sealing ring, the sealing ring comprises a fixed plate, the top of the fixed plate is provided with an outer sealing ring, the left bottom of the fixed plate is provided with a grease returning ring, the left bottom of the sealing ring is provided with a contact ring, the contact ring extends along the radial oblique axial direction to the inner side in an inclined way, the contact ring is in contact and sealing fit with the inner bearing ring, meanwhile, the, the rotary bearing can not leak oil in the high-speed rotation process.
Description
Technical Field
The utility model relates to a slewing bearing technical field specifically is a slewing bearing with high-efficient leak protection function.
Background
Sealing is a problem often encountered in relation to mechanical products, and the quality of sealing is directly related to the quality of the product. At present, a sealing device adopted by a slewing bearing is mostly sealed by a sealing cover, the sealing cover is made of hard plastic, the sealing cover is fragile and cannot effectively seal the bearing, the leakage of lubricating oil in the bearing is often caused, the normal work of the slewing bearing is influenced, and therefore the slewing bearing with the efficient leakage-proof function is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slew bearing with high-efficient leak protection function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a slewing bearing with efficient leakage-proof function comprises a bearing inner ring, wherein the top of the bearing inner ring is provided with a raceway, the middle of the top of the roller path is provided with a ball, the top of the ball is provided with a bearing outer ring, the right end of the bearing inner ring is provided with an end cover, the left end of the end cover is provided with a sealing gasket, the left end of the sealing gasket is provided with a sealing ring, the sealing ring comprises a fixing plate, the top of the fixed plate is provided with an outer sealing ring, the left side of the bottom of the fixed plate is provided with a grease returning ring, the left end of the bottom of the sealing ring is provided with a contact ring, the right end of the bottom of the sealing ring is provided with a dustproof ring, the top of the end cover is provided with a pressing threaded sleeve, the top of the pressing threaded sleeve is provided with a positioning block, the left end that compresses tightly the swivel nut is provided with the pressure spring, the left end of pressure spring is provided with the pressure spring seat, the left end of pressure spring seat is provided with V type sealing ring.
Preferably, the sealing gasket comprises an inner core, an upper fixing ring is arranged at the top of the inner core, a lower fixing ring is arranged at the bottom of the inner core, a sealing check ring is arranged at the left end of the inner core, and an annular rubber ring is arranged at the left end of the sealing check ring.
Preferably, the inner wall surface of the bearing outer ring and the outer wall surface of the bearing inner ring are both provided with a clamping groove, a first clamping block is arranged inside the clamping groove, a second clamping block is arranged at the right end of the first clamping block, and a stress spring is arranged between the first clamping block and the second clamping block.
Preferably, the contact ring is arranged to incline to the left, and a groove matched with the contact ring is arranged on the bearing inner ring.
Preferably, the width of the sealing gasket is smaller than the width of the end cover and larger than the width of the sealing ring.
Preferably, an arc-shaped groove is formed between the contact ring and the dust ring.
Preferably, a positioning column is arranged between the pressure spring seat and the pressure spring.
Preferably, the left side surface of the V-shaped sealing ring is provided with a graphite ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the contact ring extends along the inner side of the radial oblique axis, the contact ring is in contact sealing fit with the bearing inner ring, the right side of the contact ring is provided with an arc-shaped groove, an arc-shaped fixture block matched with the arc-shaped groove is arranged on the bearing inner ring, so that the contact ring and the dust ring are in close contact with the bearing inner ring, the seal ring can be fixed, and when the bearing rotates at a high speed, the seal ring has a good sealing effect on the bearing, so that the oil leakage phenomenon of the slewing bearing can not occur in the high-speed rotation process.
2. The upper fixing ring and the lower fixing ring fix the inner core 1, the inner core is prevented from being bent under pressure when in use, and the annular rubber ring is more closely attached to the inner wall of the bearing 1 under the action of extrusion force to seal the slewing bearing well.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the position A of the present invention;
fig. 3 is a schematic structural view of the sealing ring of the present invention;
FIG. 4 is a schematic view of the sealing gasket of the present invention;
fig. 5 is a cross-sectional view of the end cap of the present invention.
In the figure: the device comprises a bearing inner ring 1, a bearing raceway 2, a bearing 3, a bearing outer ring 4, a clamping groove 41, an end cover 5, a first fixture block 51, a second fixture block 52, a stress spring 53, a sealing gasket 6, a 61 inner core, an upper fixing ring 62, a lower fixing ring 63, a sealing retainer ring 64, an annular rubber ring 64, a sealing ring 7, a fixing plate 71, an outer sealing ring 72, a grease returning ring 73, a contact ring 74, a dust-proof ring 75, a pressing threaded sleeve 8, a positioning block 9, a pressure spring 10, a pressure spring seat 11 and a sealing ring 12V.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a slewing bearing with efficient leakage-proof function comprises a bearing inner ring 1, a roller path 2 is arranged at the top of the bearing inner ring 1, a ball 3 is arranged in the middle of the top of the roller path 2, a bearing outer ring 4 is arranged at the top of the ball 3, an end cover 5 is arranged at the right end of the bearing inner ring 1, a sealing gasket 6 is arranged at the left end of the end cover 5, a sealing ring 7 is arranged at the left end of the sealing gasket 6, the sealing ring 7 comprises a fixing plate 71, an outer sealing ring 72 is arranged at the top of the fixing plate 71, a grease returning ring 73 is arranged at the left side of the bottom of the fixing plate 71, a contact ring 74 is arranged at the left end of the bottom of the sealing ring 7, a dust-proof ring 75 is arranged at the right end of the bottom of the sealing ring 7, the contact ring 74 obliquely extends along the radial oblique axial, make contact ring 74 and dust ring 75 and bearing inner race in close contact with, also can play the fixed action to sealing washer 7 simultaneously, when the bearing is carrying out high-speed rotation in-process, sealing washer 7 plays good sealed effect to the bearing, the top of end cover 5 is provided with compresses tightly swivel nut 8, the top that compresses tightly swivel nut 8 is provided with locating piece 9, the left end that compresses tightly swivel nut 8 is provided with pressure spring 10, the left end of pressure spring 10 is provided with pressure spring seat 11, the left end of pressure spring seat 11 is provided with V type sealing ring 12, the installation of locating piece 9 to end cover 5 is fixed a position, realize that end cover 5 installs fast, it fixes a position fixedly to V type sealing ring 4 through compressing tightly pressure spring 6 and pressure spring seat 5 to compress tightly swivel nut 7, make it seal up slewing bearing.
The sealing gasket 6 comprises an inner core 61, an upper fixing ring 62 is arranged at the top of the inner core 61, a lower fixing ring 63 is arranged at the bottom of the inner core 61, a sealing retainer ring 64 is arranged at the left end of the inner core 61, an annular rubber ring 65 is arranged at the left end of the sealing retainer ring 64, the inner core 61 is fixed by the upper fixing ring 62 and the lower fixing ring 63, the inner core is prevented from being bent under pressure when in use and cannot be well sealed on a slewing bearing body, and the annular rubber ring 65 is more tightly attached to the inner wall of the bearing inner ring 1 under the action of extrusion force to well seal the slewing bearing;
the inner wall surface of the bearing outer ring 4 and the outer wall surface of the bearing inner ring 1 are both provided with clamping grooves 41, a first clamping block 51 is arranged inside each clamping groove 41, a second clamping block 52 is arranged at the right end of each first clamping block 51, a stress spring 53 is arranged between each first clamping block 51 and each second clamping block 52, when the end cover 5 is installed, each first clamping block 51 and each second clamping block 52 move downwards, the end parts of each first clamping block 51 and each second clamping block 52 are arranged in an arc shape, when the clamping blocks contact the bearing, each first clamping block 51 and each second clamping block 52 move relatively, and when the clamping blocks move to be flush with the clamping grooves, the stress springs 53 push the clamping blocks to clamp the clamping grooves, so that the end cover 5 is installed and fixed;
the contact ring 74 is arranged to incline to the left, and a groove matched with the contact ring 74 is arranged on the bearing inner ring 1;
the width of the sealing gasket 6 is smaller than that of the end cover 5 and larger than that of the sealing ring 7, so that the end cover 5 completely covers the sealing gasket 6 and fixes the sealing gasket;
an arc-shaped groove is arranged between the contact ring 74 and the dust ring 75;
a positioning column is arranged between the pressure spring seat 11 and the pressure spring 10, the positioning column has a positioning effect on the installation of the pressure spring 10, and meanwhile, the phenomenon that the pressure spring 10 deviates in the rotating process of the bearing can be avoided;
the left side surface of the V-shaped sealing ring 12 is provided with a graphite ring, and the graphite ring can reduce frictional resistance, so that the V-shaped sealing ring 12 can be more easily placed into the slewing bearing.
The working principle is as follows: firstly, a sealing ring 7 is installed, a contact ring 74 arranged on the sealing ring obliquely and axially extends along the radial direction and obliquely and axially inwards, the contact ring 74 is in contact sealing fit with a bearing inner ring, an arc-shaped groove is formed in the right side of the contact ring 74, an arc-shaped fixture block matched with the arc-shaped groove in the direction is arranged on the bearing inner ring 1, the contact ring 74 and a dust ring 75 are in tight contact with the bearing inner ring, meanwhile, the sealing ring 7 can also be fixed, when the bearing rotates at a high speed, the sealing ring 7 has a good sealing effect on the bearing, a sealing gasket 6 comprises an inner core 61, an upper fixing ring 62 is arranged at the top of the inner core 61, the upper fixing ring 62 and a lower fixing ring 63 fix the inner core 61, the inner core is prevented from being bent under pressure when in use and cannot well seal the slewing bearing body, and an annular rubber ring 65 is more tightly attached to the inner, the slewing bearing is well sealed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a slewing bearing with high-efficient leak protection function, includes bearing inner race (1), its characterized in that: the bearing inner ring structure is characterized in that a roller path (2) is arranged at the top of the bearing inner ring (1), a ball (3) is arranged in the middle of the top of the roller path (2), a bearing outer ring (4) is arranged at the top of the ball (3), an end cover (5) is arranged at the right end of the bearing inner ring (1), a sealing gasket (6) is arranged at the left end of the end cover (5), a sealing ring (7) is arranged at the left end of the sealing gasket (6), the sealing ring (7) comprises a fixing plate (71), an outer sealing ring (72) is arranged at the top of the fixing plate (71), a grease returning ring (73) is arranged at the left side of the bottom of the fixing plate (71), a contact ring (74) is arranged at the left end of the bottom of the sealing ring (7), a dust ring (75) is arranged at the right end of the bottom of the sealing ring (7), a, the left end that compresses tightly swivel nut (8) is provided with pressure spring (10), the left end of pressure spring (10) is provided with pressure spring seat (11), the left end of pressure spring seat (11) is provided with V type sealing ring (12).
2. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: the sealing gasket (6) comprises an inner core (61), an upper fixing ring (62) is arranged at the top of the inner core (61), a lower fixing ring (63) is arranged at the bottom of the inner core (61), a sealing check ring (64) is arranged at the left end of the inner core (61), and an annular rubber ring (65) is arranged at the left end of the sealing check ring (64).
3. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: the bearing inner ring (1) is characterized in that clamping grooves (41) are formed in the inner wall surface of the bearing outer ring (4) and the outer wall surface of the bearing inner ring (1), a first clamping block (51) is arranged inside each clamping groove (41), a second clamping block (52) is arranged at the right end of each first clamping block (51), and a stress spring (53) is arranged between each first clamping block (51) and each second clamping block (52).
4. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: the contact ring (74) is inclined towards the left, and a groove matched with the contact ring (74) is formed in the bearing inner ring (1).
5. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: the width of the sealing gasket (6) is smaller than that of the end cover (5) and larger than that of the sealing ring (7).
6. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: an arc-shaped groove is arranged between the contact ring (74) and the dust ring (75).
7. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: and a positioning column is arranged between the pressure spring seat (11) and the pressure spring (10).
8. A slewing bearing with efficient leakage prevention function according to claim 1, wherein: and a graphite ring is arranged on the left side surface of the V-shaped sealing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473143.5U CN211901308U (en) | 2019-12-31 | 2019-12-31 | Slewing bearing with high-efficient leak protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473143.5U CN211901308U (en) | 2019-12-31 | 2019-12-31 | Slewing bearing with high-efficient leak protection function |
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| Publication Number | Publication Date |
|---|---|
| CN211901308U true CN211901308U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473143.5U Active CN211901308U (en) | 2019-12-31 | 2019-12-31 | Slewing bearing with high-efficient leak protection function |
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| Country | Link |
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| CN (1) | CN211901308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023357A (en) * | 2023-09-08 | 2023-11-10 | 安徽吉思特智能装备有限公司 | Chassis line lifting appliance with anti-jamming effect |
-
2019
- 2019-12-31 CN CN201922473143.5U patent/CN211901308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023357A (en) * | 2023-09-08 | 2023-11-10 | 安徽吉思特智能装备有限公司 | Chassis line lifting appliance with anti-jamming effect |
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