CN203421003U - Self-lubricating type dustproof pulley - Google Patents
Self-lubricating type dustproof pulley Download PDFInfo
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- CN203421003U CN203421003U CN201320299408.4U CN201320299408U CN203421003U CN 203421003 U CN203421003 U CN 203421003U CN 201320299408 U CN201320299408 U CN 201320299408U CN 203421003 U CN203421003 U CN 203421003U
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- pulley
- bearing
- mandrel rod
- self lubricating
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Abstract
The utility model provides a self-lubricating type dustproof pulley, belongs to the technical field of machinery, and solves the problem that efficient lubrication cannot be performed on the conventional dustproof pulley. The self-lubricating type dustproof pulley comprises a mandrel and bearings arranged outside the mandrel in a sleeving manner, wherein outer sides of the bearings are sleeved with a bearing pedestal, a wheel body is fixedly connected to the outer side of the bearing pedestal, an oil hole is formed in the center of the mandrel, an oil outlet communicated with the oil hole is formed in the side wall of the mandrel and located in one side of the end part of one bearing. According to the self-lubricating type dustproof pulley, the oil hole is formed in the mandrel and a lubricating cavity used for storing the lubricating oil is formed inside the pulley, so that a lubricating oil sufficient state is maintained all along inside the pulley through blockage sealing, and effective operation of the bearings and other parts is guaranteed.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of pulley, particularly a kind of dustproof pulley.
Background technique
In mechanical field; material transportation; pulley is usually used in the realization of the actions such as mechanism's guiding; existing pulley is generally comprised of mandrel rod, ball bearing, hub, dust cover etc.; wherein mandrel rod is connected in ball bearing inner ring; hub is in order to be coated ball bearing, and the hub of surface smoothing can make pulley be easy to slide, and can protect ball bearing.On hub, having dug annular groove prevents from, in dust or other small foreign bodies intrusion bearing, preventing that in bearing, wearing and tearing reduce its working life for embedding dust cover, reaching.
In pulley motion, bearing is to make the strength member that pulley can effective smooth and easy rolling, thereby bearing lubricated to make in using process be the requisite link of maintaining together, if bearing for a long time lubricated or lubricant oil do not put in place and can cause bearing clamping stagnation, interfere even wear out failure.Yet in prior art, the bearing of pulley is all arranged in bearing support, for preventing that bearing from entering ash and also adopting dust cover to seal at bearing support, thereby can only be confined to pulley outer surface to the lubricated of pulley, the bearing in pulley and other component are difficult to obtain effectively lubricating.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of simple in structurely, can realize self-lubricated dustproof pulley.
The purpose of this utility model can realize by following technical proposal: a kind of self lubricating pulley that prevents dust, comprise mandrel rod and be sheathed on the bearing outside mandrel rod, described bearing outside is arranged with bearing support, described bearing support outside is fixedly connected with wheel body, it is characterized in that, described mandrel rod center is provided with the oil outlet that oilhole and mandrel rod sidewall communicate with oilhole, and described oil outlet is positioned at bearing end one side.
In the dustproof pulley of above-mentioned self lubricating, described mandrel rod end oil-hole location is provided with obstruction.Oilhole end arranges internal thread, stops up and is threaded with oilhole.
In the dustproof pulley of above-mentioned self lubricating, the described bearing support back side is provided with for compressing the retainer ring of bearing and being circumferentially fixed on the Sealing shield ring in mandrel rod outside, between described retainer ring and Sealing shield ring, be provided with dust cover, Sealing shield ring is pressed in described dust cover inner side, and outside is resisted against retainer ring inwall.
In the dustproof pulley of above-mentioned self lubricating, between described dust cover, bearing, Sealing shield ring and retainer ring, form the lubricating cavity for lubricant oil storage, described oil outlet is positioned at lubricating cavity, and described Sealing shield ring is positioned at oil outlet place and also offers oil-through hole.
In the dustproof pulley of above-mentioned self lubricating, described Sealing shield ring outside has the flange for preventing that dust cover from deviating from, and described flange is pressed in dust cover outside.
In the dustproof pulley of above-mentioned self lubricating, described bearing support outside is provided with step, and described wheel body is bolted on described step, and described retainer ring is bolted on above-mentioned step.
In the dustproof pulley of above-mentioned self lubricating, described wheel body outside is arranged with the buffer body that rubber material is made.
In the dustproof pulley of above-mentioned self lubricating, described buffer body outside has for embedding the guiding slip groove in guide rail.
In the dustproof pulley of above-mentioned self lubricating, described bearing is two and is sheathed on respectively mandrel rod outside.
In the dustproof pulley of above-mentioned self lubricating, described mandrel rod outside is provided with for the outside thread with external world's assembling.
Compared with prior art, the dustproof pulley of this self lubricating by offering oilhole and being provided for storing the lubricating cavity of lubricant oil in pulley inside in mandrel rod, by plug for seal, make to remain in pulley the state of lubricant oil abundance, guarantee effective operation of bearing and miscellaneous part.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the dustproof pulley of this self lubricating.
In figure, 1, mandrel rod; 11, oilhole; 12, oil outlet; 2, bearing; 3, bearing support; 31, step; 4, wheel body; 41, buffer body; 42, guiding slip groove; 5, stop up; 6, Sealing shield ring; 61, flange; 62, oil-through hole; 7, retainer ring; 8, dust cover; 9, lubricating cavity.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, the dustproof pulley of this self lubricating comprises mandrel rod 1 and is sheathed on the bearing 2 outside mandrel rod 1, bearing 2 outsides are arranged with bearing support 3, bearing support 3 outsides are fixedly connected with wheel body 4, mandrel rod 1 center is provided with oilhole 11, and mandrel rod 1 sidewall is positioned at bearing 2 place, end one sides and is provided with the oil outlet 12 communicating with oilhole 11.Oilhole 11 ends arrange internal thread, and oilhole 11 ends are threaded connection the obstruction 5 that is useful on sealing oil circuit.Bearing support 3 back sides are provided with for compressing the retainer ring 7 and the Sealing shield ring 6 that is sheathed on mandrel rod 1 outside of bearing 2, between described retainer ring 7 and Sealing shield ring 6, are provided with dust cover 8, and Sealing shield ring 6 is pressed in described dust cover 8 inner sides, and outside is resisted against retainer ring 7 inwalls.Between above-mentioned dust cover 8, bearing 2, Sealing shield ring 6 and retainer ring 7, form the lubricating cavity 9 for lubricant oil storage, described oil outlet 12 is positioned at lubricating cavity 9.For dust cover 8 is carried out to axial limiting, Sealing shield ring 6 outsides are also provided with the flange 61 that is pressed in dust cover 8 outsides.Sealing shield ring 6 is connected by key with mandrel rod 1, and Sealing shield ring 6 is positioned at oil outlet 12 places and also offers oil-through hole 62.
Bearing support 3 outsides are provided with a step 31, and described wheel body 4 is bolted on described step 31.Retainer ring 7 is bolted on the back side of above-mentioned step 31.Wheel body 4 outsides are also coated with the buffer body 41 that rubber material is made simultaneously.Buffer body 41 outsides have for embedding the guiding slip groove 42 in guide rail.This pulley is heavily loaded pulley, and for strengthening the load of pulley, described mandrel rod 1 is provided with 2, two groups of bearings 2 of two groups of bearings and is sheathed on respectively mandrel rod 1 outside.The end, one end that mandrel rod 1 is positioned at bearing support 3 outsides is also provided with outside thread, for assembling with the external world.
The dustproof pulley of this self lubricating is used as slide guide wheel or delivery wheel, is connected, because the effect of dust cover 8 makes extraneous dust or impurity cannot enter pulley inside by the outside thread on mandrel rod 1 with vehicle frame or frame.In mandrel rod 1, offer oilhole 11 and in pulley inside, be provided for storing the lubricating cavity 9 of lubricant oil, utilize oilhole 11 to inject after lubricant oil in pulley, lubricant oil enters lubricating cavity 9 through oil-through hole 62 again through oilhole 11 and oil outlet 12, utilize and stop up after 5 sealings, make to remain in pulley the state of lubricant oil abundance, guarantee effective operation of bearing 2 and miscellaneous part, if lubrication oil consumption is complete in pulley, can re-inject lubricant oil by oilhole 11.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. the dustproof pulley of a self lubricating, comprise mandrel rod and be sheathed on the bearing outside mandrel rod, described bearing outside is arranged with bearing support, described bearing support outside is fixedly connected with wheel body, it is characterized in that, described mandrel rod center is provided with the oil outlet that oilhole and mandrel rod sidewall communicate with oilhole, described oil outlet is positioned at bearing end one side, described mandrel rod end oil-hole location is provided with obstruction, the described bearing support back side is provided with for compressing the retainer ring of bearing and being circumferentially fixed on the Sealing shield ring in mandrel rod outside, between described retainer ring and Sealing shield ring, be provided with dust cover, Sealing shield ring is pressed in described dust cover inner side, outside is resisted against retainer ring inwall.
2. the dustproof pulley of self lubricating according to claim 1, it is characterized in that, between described dust cover, bearing, Sealing shield ring and retainer ring, form the lubricating cavity for lubricant oil storage, described oil outlet is positioned at lubricating cavity, and described Sealing shield ring is positioned at oil outlet place and also offers oil-through hole.
3. the dustproof pulley of self lubricating according to claim 1 and 2, is characterized in that, described Sealing shield ring outside has the flange for preventing that dust cover from deviating from, and described flange is pressed in dust cover outside.
4. the dustproof pulley of self lubricating according to claim 1 and 2, is characterized in that, described bearing support outside is provided with step, and described wheel body is bolted on described step, and described retainer ring is bolted on above-mentioned step.
5. the dustproof pulley of self lubricating according to claim 1 and 2, is characterized in that, described wheel body outside is arranged with the buffer body that rubber material is made.
6. the dustproof pulley of self lubricating according to claim 5, is characterized in that, described buffer body outside has for embedding the guiding slip groove in guide rail.
7. the dustproof pulley of self lubricating according to claim 1 and 2, is characterized in that, described bearing is two and is sheathed on respectively mandrel rod outside.
8. the dustproof pulley of self lubricating according to claim 1 and 2, is characterized in that, described mandrel rod outside is provided with for the outside thread with external world's assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320299408.4U CN203421003U (en) | 2013-05-28 | 2013-05-28 | Self-lubricating type dustproof pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320299408.4U CN203421003U (en) | 2013-05-28 | 2013-05-28 | Self-lubricating type dustproof pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203421003U true CN203421003U (en) | 2014-02-05 |
Family
ID=50020102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320299408.4U Expired - Fee Related CN203421003U (en) | 2013-05-28 | 2013-05-28 | Self-lubricating type dustproof pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203421003U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454546A (en) * | 2014-12-07 | 2015-03-25 | 浙江西田机械有限公司 | Hollow bearing oiling structure for oil-free scroll compressor |
| CN106837993A (en) * | 2017-03-06 | 2017-06-13 | 广西汽车集团有限公司 | A kind of chain and its directive wheel |
| CN106979243A (en) * | 2017-05-21 | 2017-07-25 | 响水县永恒传动件制造有限公司 | A kind of axle envelope end bearing block |
| CN107120433A (en) * | 2017-04-21 | 2017-09-01 | 邱建华 | The press-roller device and preparation method of a kind of repeatable lubrication |
-
2013
- 2013-05-28 CN CN201320299408.4U patent/CN203421003U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454546A (en) * | 2014-12-07 | 2015-03-25 | 浙江西田机械有限公司 | Hollow bearing oiling structure for oil-free scroll compressor |
| CN106837993A (en) * | 2017-03-06 | 2017-06-13 | 广西汽车集团有限公司 | A kind of chain and its directive wheel |
| CN107120433A (en) * | 2017-04-21 | 2017-09-01 | 邱建华 | The press-roller device and preparation method of a kind of repeatable lubrication |
| CN106979243A (en) * | 2017-05-21 | 2017-07-25 | 响水县永恒传动件制造有限公司 | A kind of axle envelope end bearing block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140528 |