CN204628490U - Drive sprocket - Google Patents
Drive sprocket Download PDFInfo
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- CN204628490U CN204628490U CN201520189951.8U CN201520189951U CN204628490U CN 204628490 U CN204628490 U CN 204628490U CN 201520189951 U CN201520189951 U CN 201520189951U CN 204628490 U CN204628490 U CN 204628490U
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- barrier plate
- oil outlet
- guide slot
- oil
- oil guide
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Abstract
The utility model belongs to mechanical transmission component technical field, especially relates to a kind of drive sprocket.This drive sprocket comprises sprocket body, the periphery of sprocket body is circumferentially with some gear teeth, wheel teeth groove is formed between the gear teeth, the middle part of sprocket body has the middle pit of the stomach, be provided with in the middle pit of the stomach to rotate inner disc and rotate in inner disc and be provided with shoe cream room, rotate between inner disc and sprocket body and be connected by supporting fixing rod, sprocket body has filler opening, rotate inner disc has and to be connected with shoe cream room and the oil outlet arranged with filler opening one_to_one corresponding, oil outlet is connected with wheel teeth groove by lubrication channel, one end of oil outlet is hinged with the countercheck mechanism that can cover oil outlet.Advantage is: reasonable in design, and structure is simple, and countercheck mechanism stops the oil outlet being positioned at other positions, prevents it from flowing out, and makes lubrication mainly concentrate on bottommost, is beneficial to sufficient lubrication, high lubricating effect.
Description
Technical field
The utility model belongs to mechanical transmission component technical field, especially relates to a kind of drive sprocket.
Background technique
Sprocket wheel is the wheel of band cog type whelp, in order to pitch on pitch chain ring or cable accurately block be meshed.Drive sprocket of the prior art needs manually to add lubricant oil in transmission process, comparatively bothers, and permanent use is larger to the wearing and tearing of the gear teeth, and the working life of sprocket wheel is short.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as; Chinese patent literature discloses a kind of drive sprocket [application number: CN201420356600.7]; wheel body and the gear teeth; the gear teeth are evenly distributed on wheel body periphery; described wheel body sets up positive stop lug boss, is arranged with oil storage circle outside positive stop lug boss, oil storage circle is provided with oil outlet; oil outlet place is provided with filter screen, is arranged with protective layer outside the gear teeth.
Although such scheme to some extent solves the deficiencies in the prior art, the effect of lubrication is good not enough, and global design is reasonable not enough, poor practicability.
Model utility content
The purpose of this utility model is for the problems referred to above, and provide a kind of reasonable in design, structure is simple, the drive sprocket of high lubricating effect.
For achieving the above object, the utility model have employed following technical proposal: this drive sprocket, comprise sprocket body, the periphery of described sprocket body is circumferentially with some gear teeth, wheel teeth groove is formed between the described gear teeth, it is characterized in that, the middle part of described sprocket body has the middle pit of the stomach, be provided with in the described middle pit of the stomach to rotate inner disc and rotate in inner disc and be provided with shoe cream room, be connected by supporting fixing rod between described rotation inner disc and sprocket body, described sprocket body has filler opening, described rotation inner disc has and to be connected with shoe cream room and the oil outlet arranged with filler opening one_to_one corresponding, described filler opening is connected with wheel teeth groove by lubrication channel, one end of described oil outlet is hinged with the countercheck mechanism that can cover oil outlet.Lubricant oil in shoe cream room flows out mainly through the oil outlet being positioned at foot, lubricant oil constantly flows into filler opening under gravity, flow in wheel teeth groove through lubrication channel again, the gear teeth are lubricated, decrease the wearing and tearing to the gear teeth, can self oiling in transmission process, simple to operate, easy to use, countercheck mechanism stops the oil outlet being positioned at other positions, place it to flow out, make lubrication mainly concentrate on bottommost, be beneficial to sufficient lubrication, global design is reasonable, structure is simple, practical.
In above-mentioned drive sprocket, described countercheck mechanism comprises the first barrier plate being articulated with oil outlet side, and the opposite side of described oil outlet is hinged with the second barrier plate, and the first described barrier plate and the second barrier plate can swing under gravity.The first barrier plate being positioned at sprocket body side covers on oil outlet, plays barrier effect; The second barrier plate being positioned at sprocket body opposite side covers on oil outlet, plays barrier effect.
In above-mentioned drive sprocket, the first described barrier plate and oil outlet size adapt, and the second described barrier plate and oil outlet size adapt.Be beneficial to and stop that outflow of lubrication oil is positioned at the oil outlet of other positions.
In above-mentioned drive sprocket, the inner side surface of the first described barrier plate has the first oil guide slot, the outer side surface of the second described barrier plate has second oil guide slot corresponding with the first oil guide slot, and the first oil guide slot is all vertical with oil outlet with the second oil guide slot when the first barrier plate and the second barrier plate are positioned at rotation inner disc bottommost.The first barrier plate in sprocket body side, between the second barrier plate and oil outlet, have gap, lubricant oil flows out from gap, flow out along the second oil guide slot, the lubricant oil being arranged in the second oil guide slot can flow into the first adjacent oil guide slot, thus the bottommost flowing to and arrive sprocket body that finally constantly flows downward.
In above-mentioned drive sprocket, the inner side surface of the second described barrier plate is provided with the 3rd oil guide slot, the outer side surface of the first described barrier plate is provided with four oil guide slot corresponding with the 3rd oil guide slot, and the 3rd oil guide slot is all vertical with oil outlet with the 4th oil guide slot when the first barrier plate and the second barrier plate are positioned at rotation inner disc bottommost.Sprocket body opposite side the first barrier plate, have gap between the second barrier plate and oil outlet, lubricant oil flows out from gap, flow out along the 3rd oil guide slot, the lubricant oil being arranged in the 3rd oil guide slot can flow into the 4th adjacent oil guide slot, thus the bottommost flowing to and arrive sprocket body that finally constantly flows downward.
Compared with prior art, the advantage of this drive sprocket is:
First, lubricant oil in shoe cream room flows out mainly through the oil outlet being positioned at foot, and lubricant oil constantly flows into filler opening under gravity, then flows in wheel teeth groove through lubrication channel, the gear teeth are lubricated, decrease the wearing and tearing to the gear teeth, can self oiling in transmission process, simple to operate, easy to use, global design is reasonable, and structure is simple, practical.
The second, countercheck mechanism stops the oil outlet being positioned at other positions, prevents it from flowing out, make lubrication mainly concentrate on bottommost, be beneficial to sufficient lubrication, more particularly, the first barrier plate being positioned at sprocket body side covers on oil outlet, plays barrier effect; The second barrier plate being positioned at sprocket body opposite side covers on oil outlet, plays barrier effect.
3rd, the first barrier plate in sprocket body side, between the second barrier plate and oil outlet, have gap, lubricant oil flows out from gap, flow out along the second oil guide slot, the lubricant oil being arranged in the second oil guide slot can flow into the first adjacent oil guide slot, thus the bottommost flowing to and arrive sprocket body that finally constantly flows downward; Sprocket body opposite side the first barrier plate, have gap between the second barrier plate and oil outlet, lubricant oil flows out from gap, flow out along the 3rd oil guide slot, the lubricant oil being arranged in the 3rd oil guide slot can flow into the 4th adjacent oil guide slot, thus the bottommost flowing to and arrive sprocket body that finally constantly flows downward, thus water conservancy diversion is carried out to the lubricant oil of sprocket body both sides.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the partial enlarged drawing that the utility model provides.
In figure, sprocket body 1, the gear teeth 2, wheel teeth groove 3, the middle pit of the stomach 4, rotation inner disc 5, shoe cream room 6, filler opening 7, oil outlet 8, first barrier plate 10, first oil guide slot 11, second oil guide slot 12, the 3rd oil guide slot 13, the 4th oil guide slot 14, second barrier plate 15, lubrication channel 16, support fixing rod 17.
Embodiment
Embodiment
As shown in Figure 1-2, this drive sprocket comprises sprocket body 1, the periphery of sprocket body 1 is circumferentially with some gear teeth 2, wheel teeth groove 3 is formed between the gear teeth 2, it is characterized in that, the middle part of sprocket body 1 has the middle pit of the stomach 4, be provided with in the middle pit of the stomach 4 to rotate inner disc 5 and rotate in inner disc 5 and be provided with shoe cream room 6, rotate between inner disc 5 and sprocket body 1 and be connected by supporting fixing rod 17, sprocket body 1 has filler opening 7, rotate inner disc 5 has and to be connected with shoe cream room 6 and the oil outlet 8 arranged with filler opening 7 one_to_one corresponding, filler opening 7 is connected with wheel teeth groove 3 by lubrication channel 16, one end of oil outlet 8 is hinged with the countercheck mechanism that can cover oil outlet 8.Lubricant oil in shoe cream room 6 flows out mainly through the oil outlet 8 being positioned at foot, lubricant oil constantly flows into filler opening 7 under gravity, flow in wheel teeth groove 3 through lubrication channel 16 again, the gear teeth 2 are lubricated, decrease the wearing and tearing to the gear teeth 2, can self oiling in transmission process, simple to operate, easy to use, countercheck mechanism stops the oil outlet 8 being positioned at other positions, place it to flow out, make lubrication mainly concentrate on bottommost, be beneficial to sufficient lubrication, global design is reasonable, structure is simple, practical.
Wherein, countercheck mechanism comprises the first barrier plate 10 being articulated with oil outlet 8 side, the opposite side of oil outlet 8 is hinged with the second barrier plate 15, first barrier plate 10 and the second barrier plate 15 can swing under gravity, the first barrier plate 10 being positioned at sprocket body 1 side covers on oil outlet 8, plays barrier effect; The second barrier plate 15 being positioned at sprocket body 1 opposite side covers on oil outlet 8, plays barrier effect.First barrier plate 10 adapts with oil outlet 8 size, and the second barrier plate 15 adapts with oil outlet 8 size, is beneficial to and stops that outflow of lubrication oil is positioned at the oil outlet 8 of other positions.Improve as one, the inner side surface of the first barrier plate 10 has the first oil guide slot 11, the outer side surface of the second barrier plate 15 has second oil guide slot 12 corresponding with the first oil guide slot 11, and the first oil guide slot 11 is all vertical with oil outlet 8 with the second oil guide slot 12 when the first barrier plate 10 and the second barrier plate 15 are positioned at rotation inner disc 5 bottommost.Gap is had between first barrier plate 10, second barrier plate 15 and oil outlet 8 of sprocket body 1 side, lubricant oil flows out from gap, flow out along the second oil guide slot 12, the lubricant oil being arranged in the second oil guide slot 12 can flow into the first adjacent oil guide slot 11, thus the bottommost flowing to and arrive sprocket body 1 that finally constantly flows downward.The inner side surface of the second barrier plate 15 is provided with the 3rd oil guide slot 13, the outer side surface of the first barrier plate 10 is provided with four oil guide slot 14 corresponding with the 3rd oil guide slot 13, and the 3rd oil guide slot 13 is all vertical with oil outlet 8 with the 4th oil guide slot 14 when the first barrier plate 10 and the second barrier plate 15 are positioned at rotation inner disc 5 bottommost.Gap is had between first barrier plate 10, second barrier plate 15 and oil outlet 8 of sprocket body 1 opposite side, lubricant oil flows out from gap, flow out along the 3rd oil guide slot 13, the lubricant oil being arranged in the 3rd oil guide slot 13 can flow into the 4th adjacent oil guide slot 14, thus the bottommost flowing to and arrive sprocket body 1 that finally constantly flows downward.
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 amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ sprocket body 1, the gear teeth 2, wheel teeth groove 3, the middle pit of the stomach 4 herein, rotate the terms such as inner disc 5, shoe cream room 6, filler opening 7, oil outlet 8, first barrier plate 10, first oil guide slot 11, second oil guide slot 12, the 3rd oil guide slot 13, the 4th oil guide slot 14, second barrier plate 15, lubrication channel 16, support fixing rod 17, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a drive sprocket, comprise sprocket body (1), the periphery of described sprocket body (1) is circumferentially with some gear teeth (2), wheel teeth groove (3) is formed between the described gear teeth (2), it is characterized in that, the middle part of described sprocket body (1) has the middle pit of the stomach (4), be provided with in the described middle pit of the stomach (4) to rotate inner disc (5) and rotate in inner disc (5) and be provided with shoe cream room (6), be connected by supporting fixing rod (17) between described rotation inner disc (5) and sprocket body (1), described sprocket body (1) has filler opening (7), described rotation inner disc (5) has and to be connected with shoe cream room (6) and the oil outlet (8) arranged with filler opening (7) one_to_one corresponding, described filler opening (7) is connected with wheel teeth groove (3) by lubrication channel (16), one end of described oil outlet (8) is hinged with the countercheck mechanism that can cover oil outlet (8).
2. drive sprocket according to claim 1, it is characterized in that, described countercheck mechanism comprises the first barrier plate (10) being articulated with oil outlet (8) side, the opposite side of described oil outlet (8) is hinged with the second barrier plate (15), and described the first barrier plate (10) and the second barrier plate (15) can swing under gravity.
3. drive sprocket according to claim 2, it is characterized in that, described the first barrier plate (10) and oil outlet (8) size adapt, and described the second barrier plate (15) and oil outlet (8) size adapt.
4. drive sprocket according to claim 3, it is characterized in that, the inner side surface of described the first barrier plate (10) has the first oil guide slot (11), the outer side surface of described the second barrier plate (15) has second oil guide slot (12) corresponding with the first oil guide slot (11), and the first oil guide slot (11) is all vertical with oil outlet (8) with the second oil guide slot (12) when the first barrier plate (10) and the second barrier plate (15) are positioned at rotation inner disc (5) bottommost.
5. drive sprocket according to claim 4, it is characterized in that, the inner side surface of described the second barrier plate (15) is provided with the 3rd oil guide slot (13), the outer side surface of described the first barrier plate (10) is provided with four oil guide slot (14) corresponding with the 3rd oil guide slot (13), and the 3rd oil guide slot (13) is all vertical with oil outlet (8) with the 4th oil guide slot (14) when the first barrier plate (10) and the second barrier plate (15) are positioned at rotation inner disc (5) bottommost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189951.8U CN204628490U (en) | 2015-03-31 | 2015-03-31 | Drive sprocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189951.8U CN204628490U (en) | 2015-03-31 | 2015-03-31 | Drive sprocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628490U true CN204628490U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189951.8U Expired - Fee Related CN204628490U (en) | 2015-03-31 | 2015-03-31 | Drive sprocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259916A (en) * | 2019-06-26 | 2019-09-20 | 张文龙 | A kind of tightener sprocket |
| CN112429131A (en) * | 2020-11-27 | 2021-03-02 | 象山以勒润滑设备厂 | Bicycle chain oiling device based on centrifugal force and chain wheel positive and negative rotation |
-
2015
- 2015-03-31 CN CN201520189951.8U patent/CN204628490U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259916A (en) * | 2019-06-26 | 2019-09-20 | 张文龙 | A kind of tightener sprocket |
| CN110259916B (en) * | 2019-06-26 | 2020-10-23 | 诸暨市轩镨机械科技有限公司 | Tensioning sprocket |
| CN112429131A (en) * | 2020-11-27 | 2021-03-02 | 象山以勒润滑设备厂 | Bicycle chain oiling device based on centrifugal force and chain wheel positive and negative rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |