CN113294436A - Sealed dustproof combined bearing - Google Patents
Sealed dustproof combined bearing Download PDFInfo
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- CN113294436A CN113294436A CN202110552861.0A CN202110552861A CN113294436A CN 113294436 A CN113294436 A CN 113294436A CN 202110552861 A CN202110552861 A CN 202110552861A CN 113294436 A CN113294436 A CN 113294436A
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- Prior art keywords
- ring
- dust
- driving shaft
- groove
- plate
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- 239000000428 dust Substances 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000000670 limiting effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2235/00—Cleaning
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to the technical field of bearings and discloses a sealed dustproof combined bearing which comprises an outer ring and an inner ring which is mutually embedded with the outer ring, wherein a first accommodating space is formed between the inner ring and the outer ring and is used for accommodating a first roller, a second accommodating space is formed between the inner ring and the outer ring and is used for accommodating a second roller, and a third accommodating space is formed between the inner ring and the outer ring and is used for installing a cleaning mechanism. This sealed dustproof combination formula bearing, when the relative outer lane of inner circle rotated, the stirring board can be dialled dust on the outer lane and open, reduced the pollution of dust to first roller and second roller, along with the inner circle for the difference of outer lane rotation direction, the emergence slope that the stirring board can the self-adaptation to dial dust on the outer lane, when the relative outer lane of inner circle rotated, the slope that the stirring board not only can the self-adaptation, can also form reciprocal undulant shake effect simultaneously, the dust on the stirring board of being convenient for shake off.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a sealed dustproof combined bearing.
Background
The bearing is an important part in mechanical equipment, has the main functions of supporting a mechanical rotator, reducing the friction coefficient in the movement process of the mechanical rotator and ensuring the rotation precision of the mechanical rotator, and has various types according to the use scene of the bearing, wherein the turntable bearing is widely applied to machinery such as automobile cranes, railway cranes, port cranes, ship cranes, metallurgical cranes, container cranes, excavators and the like.
In a conventional slewing bearing, two different rollers are mounted between an outer ring and an inner ring of the bearing, one roller is a spherical ball, the other roller is a cylindrical roller rod, and the combination of the two rollers enables the slewing bearing to simultaneously bear axial force, radial force and tilting moment.
Disclosure of Invention
The invention provides a sealed dustproof combined bearing which has the beneficial effects of preventing dust from accumulating around a sealing ring and reducing the dust invasion amount, and solves the problems that in the background technology, in order to prevent dust impurities from accumulating between an outer ring and an inner ring, people can install a dustproof sealing ring on the outer ring or the inner ring, but the existing sealing ring is simple in structure, and along with the accumulation of the dust around the sealing ring, the dust is easy to invade a roller through a gap between the outer ring and the sealing ring, so that the friction force between the inner ring and the outer ring is increased.
The invention provides the following technical scheme: a sealed dustproof combined bearing comprises an outer ring and an inner ring which is mutually embedded with the outer ring, wherein a first accommodating space is formed between the inner ring and the outer ring and used for accommodating a first roller, a second accommodating space is formed between the inner ring and the outer ring and used for accommodating a second roller, and a third accommodating space is formed between the inner ring and the outer ring and used for installing a cleaning mechanism; the cleaning mechanism comprises a fixed block and a driving shaft, the fixed block is detachably connected with the inner ring, a sliding groove is formed in the fixed block, a rotating block is movably mounted in the sliding groove, the top of the rotating block is connected with the top of the sliding groove through a spring, one end of the driving shaft is inserted into the sliding groove, the bottom of the rotating block is fixedly connected with the driving shaft, and a gear is rotatably mounted at the bottom end of the driving shaft; the driving shaft is provided with a poking plate for cleaning dust accumulated on the outer ring.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the cleaning mechanism further comprises a blocking ring, the blocking ring is fixed with the outer ring, the blocking ring is of a circular ring structure, the circle center of the blocking ring is concentric with that of the inner ring, and the blocking ring is used for blocking dust and reducing the dust entering amount of the first accommodating space and the second accommodating space; and the inner wall of the blocking ring is also provided with teeth, and the teeth are meshed with the gear.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the gear is provided with an installation groove and a rotary groove, the diameter of the installation groove is matched with that of the driving shaft, the diameter of the rotary groove is larger than that of the installation groove, and the bottom end of the driving shaft penetrates through the installation groove and extends into the rotary groove; wherein, the bottom end of the driving shaft is fixed with a shifting block, the side wall of the rotary groove is detachably provided with an elastic steel sheet, the elastic steel sheet is abutted against the shifting block and limits the relative rotation between the gear and the driving shaft,
as an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the elastic steel sheet comprises a connecting end and a deformation bulge, the connecting end is provided with a mounting hole, an adjusting bolt penetrates through the mounting hole, and one end of the adjusting bolt is in threaded connection with the side wall of the rotary groove; wherein, the deformation arch is used for forming conflict with the poking block.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the mounting hole is a strip-shaped hole, and the strip-shaped mounting hole is used for adapting to the deformation quantity of the elastic steel sheet when the elastic steel sheet is stressed.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the poking plate comprises a dust poking plate, a ring adapting plate and a mounting plate, and a gap is reserved between the ring adapting plate and the blocking ring, so that the blocking ring is prevented from limiting the poking plate to rotate around the driving shaft; one end of the ring adapter plate is fixed with the dust stirring plate, the other end of the ring adapter plate is fixed with the mounting plate, and the mounting plate is fixed with the driving shaft.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: the inner ring is provided with a block groove, the fixed block is arranged in the block groove, and the top of the fixed block is provided with a thread groove; the inner ring is connected with a fixing bolt in a threaded manner, one end of the fixing bolt is inserted into the insert groove, and one end of the fixing bolt is connected with the thread groove in a threaded manner.
As an alternative to the sealed dust-proof combined bearing of the present invention, wherein: still install dustproof sealing ring in the third accommodation space, the top of dustproof sealing ring is contradicted and is in on the interior circle, the bottom of dustproof sealing ring is contradicted and is in on the outer lane.
The invention has the following beneficial effects:
1. this sealed dustproof combination formula bearing, when the relative outer lane of inner circle rotated, the stirring board can be dialled dust on the outer lane and open, reduced the pollution of dust to first roller and second roller, along with the inner circle for the difference of outer lane rotation direction, the emergence slope that the stirring board can the self-adaptation to dial dust on the outer lane, when the relative outer lane of inner circle rotated, the slope that the stirring board not only can the self-adaptation, can also form reciprocal undulant shake effect simultaneously, the dust on the stirring board of being convenient for shake off.
2. When the inner ring rotates in the outer ring, the rotation direction can be planned to be clockwise in the drawing, the claw can also move around the axis of the outer ring in a circular manner, at the moment, the gear at the bottom end of the driving shaft is meshed with the teeth on the blocking ring, so that the gear can rotate relative to the driving shaft along the axis of the driving shaft, the shifting block on the driving shaft can be abutted against the deformation bulge of the elastic steel sheet along with the rotation of the gear, the gear and the driving shaft are kept relatively static and compress the deformation bulge, the driving shaft also has a circumferential rotation movement trend, the movement trend can drive the driving shaft to rotate relative to the fixed block, and therefore, when the driving shaft rotates, the spring deforms and stores energy, the shifting plate rotates from the f position to the d position, and the deformation bulge is compressed along with the deformation of the spring, at a certain zero boundary point, the deformation bulge will be separated from the poking block, at the moment, the deformation bulge will not hinder the relative rotation between the gear and the driving shaft, the spring will reset, the poking plate will move from the d position to the f position while rotating around the outer ring axis in the resetting process of the spring, then, when the poking block again abuts against the elastic steel sheet, the poking plate is compressed to the d position again, namely, when the inner ring moves clockwise in the outer ring, the poking plate will rotate around the inner ring axis while rotating around the driving shaft, at the moment, the poking plate forms a slant left-down direction shown in the figure, so that the poking plate can poke dust on the outer ring when rotating around the inner ring axis, thereby reducing the dust entering amount between the inner ring and the outer ring, and meanwhile, the poking plate will move from the f position to the d position along with the rotation of the poking plate around the inner ring axis, then the dust on the poking plate is shaken off by moving from the position d to the position f repeatedly.
3. When the inner ring rotates in the outer ring, the rotating direction can refer to the anticlockwise direction in the figure, at the moment, the poking plate can also rotate around the driving shaft when rotating around the axis of the inner ring, at the moment, the poking plate forms an oblique left-upward inclined direction shown in the figure, so that dust on the outer ring can be poked when the poking plate rotates around the axis of the inner ring, the dust entering amount between the inner ring and the outer ring is reduced, meanwhile, the poking plate can move from the position f to the position e and then from the position e to the position f along with the rotation of the poking plate around the axis of the inner ring, and the operation is repeated, so that a shaking effect is formed, and the dust on the poking plate is shaken off.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic sectional view at A-A of the present invention.
FIG. 3 is a partial schematic view of FIG. 2 according to the present invention.
FIG. 4 is an enlarged view of the structure shown in FIG. 2B according to the present invention.
Fig. 5 is a schematic view of the internal structure of the fixing block and the gear of the present invention.
FIG. 6 is a sectional view of the present invention at C-C.
Fig. 7 is a schematic structural view of the mounting hole of the present invention.
Fig. 8 is a schematic view of the range of motion of the toggle plate of the present invention.
In the figure: 1. the adjustable roller bearing comprises an outer ring, 2, an inner ring, 21, a block groove, 22, a fixed bolt, 3, a first accommodating space, 31, a first roller, 4, a second accommodating space, 41, a second roller, 5, a third accommodating space, 6, a fixed block, 61, a sliding groove, 62, a rotating block, 63, a spring, 64, a thread groove, 7, a driving shaft, 71, a stirring plate, 711, a dust stirring plate, 712, a ring adapting plate, 713, a mounting plate, 72, a stirring block, 8, a gear, 81, a mounting groove, 82, a rotary groove, 83, an elastic steel sheet, 831, a connecting end, 832, a deformation protrusion, 833, a mounting hole, 834, an adjusting bolt, 9, a blocking ring, 91, a tooth, 10 and a dustproof sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-8, a sealed dustproof combined bearing includes an outer ring 1 and an inner ring 2 embedded with the outer ring 1, a first accommodating space 3 is formed between the inner ring 2 and the outer ring 1 for accommodating a first roller 31, a second accommodating space 4 is formed between the inner ring 2 and the outer ring 1 for accommodating a second roller 41, and a third accommodating space 5 is further formed between the inner ring 2 and the outer ring 1 for installing a cleaning mechanism; the cleaning mechanism comprises a fixed block 6 and a driving shaft 7, the fixed block 6 is detachably connected with the inner ring 2, a sliding groove 61 is formed in the fixed block 6, a rotating block 62 is movably mounted in the sliding groove 61, the top of the rotating block 62 is connected with the top of the sliding groove 61 through a spring 63, one end of the driving shaft 7 is inserted into the sliding groove 61, the bottom of the rotating block 62 is fixedly connected with the driving shaft 7, and a gear 8 is rotatably mounted at the bottom end of the driving shaft 7; the drive shaft 7 is provided with a stirring plate 71 for cleaning dust accumulated on the outer ring 1.
Specifically, in the present embodiment, the first roller 31 is a spherical ball, and the second roller 41 is a cylindrical roller rod.
The cleaning mechanism further comprises a blocking ring 9, the blocking ring 9 is fixed with the outer ring 1, the blocking ring 9 is of a circular ring structure, the circle center of the blocking ring 9 is concentric with that of the inner ring 2, and the blocking ring 9 is used for blocking dust and reducing the dust entering amount of the first accommodating space 3 and the second accommodating space 4; teeth 91 are further mounted on the inner wall of the stop ring 9, and the teeth 91 are meshed with the gear 8.
The gear 8 is provided with an installation groove 81 and a rotary groove 82, the diameter of the installation groove 81 is matched with that of the driving shaft 7, the diameter of the rotary groove 82 is larger than that of the installation groove 81, and the bottom end of the driving shaft 7 penetrates through the installation groove 81 and extends into the rotary groove 82; wherein, the bottom end of the driving shaft 7 is fixed with a shifting block 72, the side wall of the rotary groove 82 is detachably provided with an elastic steel sheet 83, and the elastic steel sheet 83 is abutted against the shifting block 72 and limits the relative rotation between the gear 8 and the driving shaft 7.
The elastic steel sheet 83 comprises a connecting end 831 and a deformation bulge 832, the connecting end 831 is provided with a mounting hole 833, an adjusting bolt 834 penetrates through the mounting hole 833, and one end of the adjusting bolt 834 is in threaded connection with the side wall of the rotary groove 82; wherein the deformation protrusion 832 is used for interfering with the dial block 72.
The specific working principle is as follows: when the inner ring 2 rotates inside the outer ring 1, the rotation direction can be assumed to be clockwise direction in fig. 8, the driving shaft 7 also moves circumferentially around the axis of the outer ring 1, at this time, because the gear 8 at the bottom end of the driving shaft 7 is meshed with the teeth 91 on the stop ring 9, so that the gear 8 can rotate relative to the driving shaft 7 on the axis of the driving shaft 7, as the gear 8 rotates, the shifting block 72 on the driving shaft 7 will abut against the deformation protrusion 832 of the elastic steel sheet 83, at this time, the gear 8 and the driving shaft 7 will remain relatively stationary and compress the deformation protrusion 832, and at this time, the driving shaft 7 also has a movement tendency of rotating circumferentially, which will cause the driving shaft 7 to rotate relative to the fixed block 6, so that when the driving shaft 7 rotates, the spring 63 deforms and stores energy, the shifting plate 71 rotates from the f position to the d position, as the spring 63 deforms, the deformation protrusion 832 is compressed all the time, at a certain zero limit point, the deformation protrusion 832 will be separated from the toggle block 72, at this time, the deformation protrusion 832 will not hinder the relative rotation between the gear 8 and the driving shaft 7, the spring 63 will be reset, the toggle plate 71 will move from the d position to the f position while rotating around the axis of the outer ring 1 during the resetting process of the spring 63, then, when the toggle block 72 again abuts against the elastic steel sheet 83, the toggle plate 71 will be compressed to the d position again, that is, when the inner ring 2 moves clockwise inside the outer ring 1, the toggle plate 71 will also rotate around the driving shaft 7 while rotating around the axis of the inner ring 2, at this time, the toggle plate 71 forms an oblique downward left direction as shown in fig. 8, so that when rotating around the axis of the inner ring 2, the dust on the outer ring 1 can be toggled, thereby reducing the entering amount between the inner ring 2 and the outer ring 1, meanwhile, as the poking plate 71 rotates around the axis of the inner ring 2, the poking plate 71 moves from the position f to the position d and then from the position d to the position f, and the steps are repeated, so that a shaking effect is formed, and dust on the poking plate 71 is shaken off.
It should be noted that, when the inner ring 2 rotates inside the outer ring 1, the rotation direction can refer to the counterclockwise direction in fig. 8, and at this time, the toggling plate 71 also rotates around the driving shaft 7 when rotating around the axis of the inner ring 2, so that the toggling plate 71 forms an oblique upward left direction as shown in fig. 8, so that it can toggle dust on the outer ring 1 when rotating around the axis of the inner ring 2, thereby reducing the amount of dust entering between the inner ring 2 and the outer ring 1, and at the same time, as the toggling plate 71 rotates around the axis of the inner ring 2, the toggling plate 71 moves from the f position to the e position, then moves from the e position to the f position, and so on, thereby forming a shaking effect, and dust on the toggling plate 71 is shaken off.
The mounting hole 833 is a long-strip-shaped hole, and the long-strip-shaped mounting hole 833 is used for adapting to the deformation amount of the elastic steel sheet 83 when stressed.
When the deformation protrusion 832 is pressed by the dial 72, the deformation protrusion 832 is deformed, and the adjusting bolt 834 moves relatively in the mounting hole 833 to adapt to the deformation of the deformation protrusion 832.
The poking plate 71 comprises a dust poking plate 711, a ring adapting plate 712 and a mounting plate 713, and a gap exists between the ring adapting plate 712 and the blocking ring 9 to prevent the blocking ring 9 from limiting the poking plate 71 to rotate around the driving shaft 7; one end of the ring fitting plate 712 is fixed to the dust removing plate 711, the other end of the ring fitting plate 712 is fixed to the mounting plate 713, and the mounting plate 713 is fixed to the drive shaft 7.
An embedded block groove 21 is formed in the inner ring 2, a fixed block 6 is installed in the embedded block groove 21, and a thread groove 64 is formed in the top of the fixed block 6; the inner ring 2 is threadedly connected with a fixing bolt 22, one end of the fixing bolt 22 is inserted into the insert groove 21, and one end of the fixing bolt 22 is threadedly connected with the thread groove 64.
And a dustproof sealing ring 10 is further installed in the third accommodating space 5, the top of the dustproof sealing ring 10 is abutted against the inner ring 2, and the bottom of the dustproof sealing ring 10 is abutted against the outer ring 1.
The dust seal 10 and the dial plate 71 are combined with each other, so that when the inner ring 2 rotates, the dial plate 71 can dial dust on the outer ring 1, thereby reducing the amount of dust around the dust seal 10, and the dust seal 10 further blocks the remaining dust, thereby preventing the dust from adhering to the first roller 31 and the second roller 41.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 sealed dustproof combination formula bearing, includes outer lane (1) and inner circle (2) with outer lane (1) gomphosis each other, inner circle (2) with form first accommodation space (3) between outer lane (1) for hold first roller (31), inner circle (2) with outer lane (1) forms second accommodation space (4), is used for holding second roller (41), its characterized in that: a third accommodating space (5) is formed between the inner ring (2) and the outer ring (1) and used for installing a cleaning mechanism;
the cleaning mechanism comprises a fixed block (6) and a driving shaft (7), the fixed block (6) is detachably connected with the inner ring (2), a sliding groove (61) is formed in the fixed block (6), a rotating block (62) is movably mounted in the sliding groove (61), the top of the rotating block (62) is connected with the top of the sliding groove (61) through a spring (63), one end of the driving shaft (7) is inserted into the sliding groove (61), the bottom of the rotating block (62) is fixedly connected with the driving shaft (7), and a gear (8) is rotatably mounted at the bottom end of the driving shaft (7);
the driving shaft (7) is provided with a poking plate (71) for cleaning dust accumulated on the outer ring (1).
2. The sealed dust-proof combination bearing of claim 1, wherein: the cleaning mechanism further comprises a blocking ring (9), the blocking ring (9) is fixed with the outer ring (1), the blocking ring (9) is of a circular ring structure, the circle center of the blocking ring (9) is concentric with that of the inner ring (2), and the blocking ring (9) is used for blocking dust and reducing the dust entering amount of the first accommodating space (3) and the second accommodating space (4);
tooth (91) are further installed on the inner wall of the blocking ring (9), and the tooth (91) is meshed with the gear (8).
3. The sealed dust-proof combination bearing of claim 2, wherein: the gear (8) is provided with an installation groove (81) and a rotary groove (82), the diameter of the installation groove (81) is matched with that of the driving shaft (7), the diameter of the rotary groove (82) is larger than that of the installation groove (81), and the bottom end of the driving shaft (7) penetrates through the installation groove (81) and extends into the rotary groove (82);
the bottom end of the driving shaft (7) is fixed with a shifting block (72), the side wall of the rotary groove (82) is detachably provided with an elastic steel sheet (83), the elastic steel sheet (83) is abutted to the shifting block (72), and the gear (8) and the driving shaft (7) are limited to rotate relatively.
4. The sealed dust-proof combination bearing of claim 3, wherein: the elastic steel sheet (83) comprises a connecting end (831) and a deformation bulge (832), a mounting hole (833) is formed in the connecting end (831), an adjusting bolt (834) penetrates through the mounting hole (833), and one end of the adjusting bolt (834) is in threaded connection with the side wall of the rotary groove (82);
wherein, the deformation bulge (832) is used for forming interference with the poking block (72).
5. The sealed dust-proof combination bearing of claim 4, wherein: the mounting hole (833) is a long strip-shaped hole, and the long strip-shaped mounting hole (833) is used for adapting to the deformation amount of the elastic steel sheet (83) during stress.
6. The sealed dust-proof combination bearing of claim 5, wherein: the poking plate (71) comprises a dust poking plate (711), a ring adapting plate (712) and a mounting plate (713), a gap exists between the ring adapting plate (712) and the blocking ring (9), and the blocking ring (9) is prevented from limiting the poking plate (71) to rotate around the driving shaft (7);
one end of the ring adapting plate (712) is fixed with the dust removing plate (711), the other end of the ring adapting plate (712) is fixed with the mounting plate (713), and the mounting plate (713) is fixed with the driving shaft (7).
7. The sealed dust-proof combination bearing of claim 6, wherein: the inner ring (2) is provided with an insert groove (21), the fixed block (6) is arranged in the insert groove (21), and the top of the fixed block (6) is provided with a thread groove (64);
the inner ring (2) is in threaded connection with a fixing bolt (22), one end of the fixing bolt (22) is inserted into the insert groove (21), and one end of the fixing bolt (22) is in threaded connection with the thread groove (64).
8. The sealed dust-proof combined bearing according to any one of claims 1 to 7, wherein: still install dust seal (10) in third accommodation space (5), the top of dust seal (10) is contradicted on inner circle (2), the bottom of dust seal (10) is contradicted on outer lane (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552861.0A CN113294436A (en) | 2021-05-20 | 2021-05-20 | Sealed dustproof combined bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552861.0A CN113294436A (en) | 2021-05-20 | 2021-05-20 | Sealed dustproof combined bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113294436A true CN113294436A (en) | 2021-08-24 |
Family
ID=77323167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110552861.0A Withdrawn CN113294436A (en) | 2021-05-20 | 2021-05-20 | Sealed dustproof combined bearing |
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| Country | Link |
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| CN (1) | CN113294436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992247A (en) * | 2022-05-13 | 2022-09-02 | 马鞍山经纬回转支承有限公司 | Slewing bearing for environmental protection equipment |
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| US20030044269A1 (en) * | 2001-09-04 | 2003-03-06 | Nsk Ltd. | Seal apparatus for a water pump, rotation-support apparatus for a water pump, and a water pump |
| CN108317162A (en) * | 2018-03-26 | 2018-07-24 | 无锡民联汽车零部件有限公司 | Rotating opening formula is convenient to clean the automobile deep groove ball bearing of dustproof cover |
| CN209856232U (en) * | 2018-12-26 | 2019-12-27 | 瓦房店第一轧机轴承制造有限公司 | Close formula back lining bearing |
| CN210599847U (en) * | 2019-09-19 | 2020-05-22 | 大连联合风电轴承有限公司 | Turntable bearing for packaging machine |
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2021
- 2021-05-20 CN CN202110552861.0A patent/CN113294436A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030044269A1 (en) * | 2001-09-04 | 2003-03-06 | Nsk Ltd. | Seal apparatus for a water pump, rotation-support apparatus for a water pump, and a water pump |
| CN108317162A (en) * | 2018-03-26 | 2018-07-24 | 无锡民联汽车零部件有限公司 | Rotating opening formula is convenient to clean the automobile deep groove ball bearing of dustproof cover |
| CN209856232U (en) * | 2018-12-26 | 2019-12-27 | 瓦房店第一轧机轴承制造有限公司 | Close formula back lining bearing |
| CN210599847U (en) * | 2019-09-19 | 2020-05-22 | 大连联合风电轴承有限公司 | Turntable bearing for packaging machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992247A (en) * | 2022-05-13 | 2022-09-02 | 马鞍山经纬回转支承有限公司 | Slewing bearing for environmental protection equipment |
| CN114992247B (en) * | 2022-05-13 | 2024-02-09 | 马鞍山经纬回转支承股份有限公司 | Slewing bearing for environmental protection equipment |
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