CN208778607U - A kind of dust-proof tensioning wheel - Google Patents
A kind of dust-proof tensioning wheel Download PDFInfo
- Publication number
- CN208778607U CN208778607U CN201821394217.5U CN201821394217U CN208778607U CN 208778607 U CN208778607 U CN 208778607U CN 201821394217 U CN201821394217 U CN 201821394217U CN 208778607 U CN208778607 U CN 208778607U
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- CN
- China
- Prior art keywords
- axis
- bearing
- dust
- dustproof cover
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Pulleys (AREA)
Abstract
The utility model discloses a kind of dust-proof tensioning wheels, including belt pulley and dustproof cover, the inside of the belt pulley is equipped with bearing, the inside of the bearing is equipped with driving sleeve, the inside fixation of the driving sleeve is plugged with axis, one end of the axis is set as external thread part, the dustproof cover is mounted on the axis of bearing inner race side by nut, the side of the belt pulley offers second annular groove, the edge of the dustproof cover is set as annular protrusion edge, the annular protrusion edge is non-contact to be plugged in second annular groove, one end of the axis is fixedly connected with fixed block, the side of the fixed block offers the second through-hole, and one end of fixed block offers the shrinkage pool being connected to the second through-hole.It can prevent dust from laterally approaching into bearing, driving sleeve position, avoid generating friction；And axis is avoided to be directly installed in bearing, convenient for protecting axis, thus the service life of extending shaft, and it is conveniently replaceable maintenance, it is easy to use.
Description
Technical field
The utility model relates to tensioning wheel technical field, specially a kind of dust-proof tensioning wheel.
Background technique
Tensioning wheel is the tensioning apparatus of V belt translation, when the center of band is not away from being adjustable, can using tensioning wheel will with
Tightly.Tensioning wheel is typically located at the inside of slack list, to make band only by bend in one direction；Meanwhile to guarantee that small pulley cornerite will not
Reduce excessively, tensioning wheel should be installed as close as possible to big belt wheel.
In field of industrial production, tensioning wheel using relatively broad, and the frequency of use of tensioning wheel is higher, is being used for a long time
When, tensioning wheel easily damages.The working environment of wherein most factory is poor, and dust is more in factory, and dust easily enters tensioning
The bearing portion of wheel accumulates a large amount of dusts, causes to rub, and reduces the service life of tensioning wheel；And the bearing of general tensioning wheel is straight
It connects and is mounted on an axle, be not easy replacement maintenance.It would therefore be desirable to propose that one kind improves service life, and it is convenient for safeguarding dust-proof
Tensioning wheel.
Utility model content
The purpose of this utility model is to provide a kind of dust-proof tensioning wheel, can prevent dust laterally approach into bearing,
Driving sleeve position avoids generating friction；And axis is avoided to be directly installed in bearing, convenient for protection axis, so that extending shaft makes
With the service life, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of dust-proof tensioning wheel, including belt pulley and
Dustproof cover, the inside of the belt pulley are equipped with bearing, and the inside of the bearing is equipped with driving sleeve, the driving sleeve
Inside fixation is plugged with axis, and one end of the axis is set as external thread part, and the dustproof cover is mounted on bearing by nut
On the axis of inner ring side, the side of the belt pulley offers second annular groove, and the edge of the dustproof cover is set as annular
Lug edge, the annular protrusion edge is non-contact to be plugged in second annular groove, and one end of the axis is fixedly connected with solid
Determine block, the side of the fixed block offers the second through-hole, and one end of fixed block offers the shrinkage pool being connected to the second through-hole.
Preferably, the inside of the belt pulley offers the bearing chamber for being easily installed bearing, and on the outside of one end of bearing chamber
First annular groove is offered, the inside of the first annular groove is equipped with hole retaining ring.
Preferably, the section of the dustproof cover is in arc type, and the center of dustproof cover offers first through hole, and described first
Through-hole is socketed on the external thread part of axis.
Preferably, the first through hole two sides of the dustproof cover are respectively arranged with plain washer.
Preferably, the side of the nut is provided with elastic washer.
Preferably, the outer diameter of the plain washer is less than the outer diameter of bearing inner race.
Compared with prior art, the utility model has the beneficial effects that
1, by the design of dustproof cover, it can prevent dust from laterally approaching into bearing, driving sleeve position, avoid generating
Friction, improves service life；
2, by the design of driving sleeve, axis is avoided to be directly installed in bearing, convenient for protection axis, so that extending shaft makes
With the service life, and it is conveniently replaceable maintenance, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model belt pulley；
Fig. 3 is the structural schematic diagram of the utility model dustproof cover；
Fig. 4 is the side structure schematic diagram of the utility model axis；
Fig. 5 is the side structure schematic view of the utility model fixed block；
Fig. 6 is the structural schematic diagram of the utility model driving sleeve；
Fig. 7 is the side structure schematic view of the utility model driving sleeve.
In figure: 1 belt pulley, 2 hole retaining rings, 3 bearings, 4 plain washers, 5 elastic washers, 6 nuts, 7 axis, 8 driving sleeves, 9
Dustproof cover, 10 first annular grooves, 11 bearing chambers, 12 second annular grooves, 13 first through hole, 14 annular protrusion edges, 15 are consolidated
Determine block, 16 shrinkage pools, 17 second through-holes, 18 external thread parts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: the tensioning wheel assembly, including belt pulley 1 and dust-proof
Lid 9, the inside of the belt pulley 1 are equipped with bearing 3, and the inside of the bearing 3 is equipped with driving sleeve 8, the driving sleeve 8
Inside it is fixed be plugged with axis 7, one end of the axis 7 is set as external thread part 18, and the dustproof cover 9 is mounted on by nut 6
On the axis 7 of 3 inner ring side of bearing, the side of the belt pulley 1 offers second annular groove 12, the dustproof cover 9
Edge is set as annular protrusion edge 14, and the annular protrusion edge 14 is non-contact to be plugged in second annular groove 12, described
One end of axis 7 is fixedly connected with fixed block 15, and the side of the fixed block 15 offers the second through-hole 17, and the one of fixed block 15
End offers the shrinkage pool 16 being connected to the second through-hole 17.
Specifically, the inside of the belt pulley 1 offers the bearing chamber 11 for being easily installed bearing 3, and the one of bearing chamber 11
End outside offers first annular groove 10, and the inside of the first annular groove 10 is equipped with hole retaining ring 2.Through hole gear
Circle 2 stops the dust of side.
Specifically, the section of the dustproof cover 9 is in arc type, and the center of dustproof cover 9 offers first through hole 13, described
First through hole 13 is socketed on the external thread part 18 of axis 7.By the design of external thread part 18, it is easily installed dustproof cover 9.
Specifically, 13 two sides of first through hole of the dustproof cover 9 are respectively arranged with plain washer 4.Pass through setting for plain washer 4
Meter, prevents dustproof cover 9 directly and bearing touch, generates friction.
Specifically, the side of the nut 6 is provided with elastic washer 5.By the design of elastic washer 5, convenient for preventing spiral shell
Mother 6 loosens.
Specifically, the outer diameter of the plain washer 4 is less than the outer diameter of 3 inner ring of bearing.It the outside of plain washer 4 will not be with bearing 3
Outer ring contact, avoids rubbing.
Working principle: when in use, by the design of dustproof cover 9, it can prevent dust from laterally approaching into bearing 3, passing
Moving axis covers 8 positions, avoids generating friction, improve service life；By the design of driving sleeve 8, axis 7 is avoided to be directly installed on axis
It holds in 3, convenient for protecting axis 7 and bearing 3, thus the service life of extending shaft 7 and bearing 3, and it is conveniently replaceable maintenance, user
Just.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of dust-proof tensioning wheel, including belt pulley (1) and dustproof cover (9), it is characterised in that: the inside of the belt pulley (1)
It is equipped with bearing (3), the inside of the bearing (3) is equipped with driving sleeve (8), and the inside of the driving sleeve (8) is fixed to insert
It is connected to axis (7), one end of the axis (7) is set as external thread part (18), and the dustproof cover (9) is in place by nut (6) installation
In on the axis (7) of bearing (3) inner ring side, the side of the belt pulley (1) is offered second annular groove (12), described dust-proof
The edge of lid (9) is set as annular protrusion edge (14), and the annular protrusion edge (14) is non-contact, and to be plugged in the second annular recessed
In slot (12), one end of the axis (7) is fixedly connected with fixed block (15), and it is logical that the side of the fixed block (15) offers second
Hole (17), and one end of fixed block (15) offers the shrinkage pool (16) being connected to the second through-hole (17).
2. a kind of dust-proof tensioning wheel according to claim 1, it is characterised in that: the inside of the belt pulley (1) offers
It is easily installed the bearing chamber (11) of bearing (3), and is offered first annular groove (10) on the outside of one end of bearing chamber (11), it is described
The inside of first annular groove (10) is equipped with hole retaining ring (2).
3. a kind of dust-proof tensioning wheel according to claim 1, it is characterised in that: the section of the dustproof cover (9) is in bow word
Type, and the center of dustproof cover (9) offers first through hole (13), the first through hole (13) is socketed in the external thread part of axis (7)
(18) on.
4. a kind of dust-proof tensioning wheel according to claim 1, it is characterised in that: the first through hole of the dustproof cover (9)
(13) two sides are respectively arranged with plain washer (4).
5. a kind of dust-proof tensioning wheel according to claim 1, it is characterised in that: the side of the nut (6) is provided with bullet
Property washer (5).
6. a kind of dust-proof tensioning wheel according to claim 4, it is characterised in that: the outer diameter of the plain washer (4) is less than axis
Hold the outer diameter of (3) inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394217.5U CN208778607U (en) | 2018-08-28 | 2018-08-28 | A kind of dust-proof tensioning wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394217.5U CN208778607U (en) | 2018-08-28 | 2018-08-28 | A kind of dust-proof tensioning wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778607U true CN208778607U (en) | 2019-04-23 |
Family
ID=66158777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821394217.5U Expired - Fee Related CN208778607U (en) | 2018-08-28 | 2018-08-28 | A kind of dust-proof tensioning wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778607U (en) |
-
2018
- 2018-08-28 CN CN201821394217.5U patent/CN208778607U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190423 |