CN204851926U - Self -lubricating bolt - Google Patents
Self -lubricating bolt Download PDFInfo
- Publication number
- CN204851926U CN204851926U CN201520539249.XU CN201520539249U CN204851926U CN 204851926 U CN204851926 U CN 204851926U CN 201520539249 U CN201520539249 U CN 201520539249U CN 204851926 U CN204851926 U CN 204851926U
- Authority
- CN
- China
- Prior art keywords
- oil
- bolt
- screw rod
- hole
- lubricating
- 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
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a self -lubricating bolt, including bolt body, pressure oiling head, the bolt body includes hex bolts head, connecting portion, screw rod, bolt body top axial is equipped with the oil filler point, pressure oiling head with the oil filler point butt joint, connecting portion for the protrusion in the annular ring of screw rod, be equipped with the ring channel in the middle of the annular ring, be equipped with the oil transportation hole on the ring channel, the oil transportation hole with the oil filler point intercommunication, connecting portion with be equipped with the oil transportation groove of intercommunication on the screw rod, follow in the oil transportation groove ring channel department extends to the screw rod bottom. To pouring into lubricating oil in the oil filler point into, lubricating oil slowly permeates on the connecting portion of bolt from the play of oil transportation orifice flow for the foot supports and to be in lubricated state with the junction of bolt always, is difficult for rustting, and the foot supports and makes a round trip to transfer more laborsaving, and in lubricating oil can follow oil transportation groove infiltration screw flight, avoids rustting the dismouting of the bolt of being convenient for.
Description
Technical field
The utility model relates to MACHINERY JOINT, is specifically related to a kind of self-lubricating bolt.
Background technique
Bicycle realizes parking of bicycle mainly through the location of transferring pin support and rides, and pin supports and is multiplexly bolted on chain stay, the time grow, and one is that pin supports and the joint of bolt gets rusty easily, making pin support friction when transferring orientation back and forth and become large, making troubles to riding; Two is can get rusty in bolts and nuts joint, causes dismounting inconvenience.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of self-lubricating bolt, lubricant oil is injected in bolt, slowly can permeate and support and the joint of bolt and the joint of bolts and nuts at pin, pin is supported and is in lubricating status with the joint moment of bolt, more laborsaving during the orientation that transfer pin supports, not easily get rusty in nut and the screw rod place of screwing, easy to assemble.
For solving the problems of the technologies described above, the solution that the utility model provides is: a kind of self-lubricating bolt, comprise bolt body, pressure oil injection head, described bolt body comprises hex head bolt head, joint, screw rod, described bolt body top is axially arranged with oil hole, described pressure oil injection head docks with described oil hole, described joint is the annular ring protruding from described screw rod, circular groove is provided with in the middle of annular ring, described circular groove is provided with oil transportation hole, described oil transportation hole is communicated with described oil hole, described joint is provided with described screw rod the input oil groove be communicated with, described input oil groove extends to bottom described screw rod from described circular groove.
Further, the degree of depth of described circular groove is 0.1-0.3cm.
Further, the width of described circular groove is more than or equal to the aperture in described oil transportation hole.
Further, the degree of depth of described input oil groove is 0.05-0.1cm.
Further, the width of described input oil groove is 0.1-0.5cm.
Further, bottom described screw rod, be provided with blocked part along the setting direction of described input oil groove, described blocked part length is 0.1-0.3com.
Further, described oil hole is tapped hole, is provided with thread section bottom described pressure oil injection head, and described thread section is corresponding with described oil hole screws connection.
The advantage that the utility model has and beneficial effect are:
1, the utility model structure is simple, easy to use, in oil hole, lubricant oil is injected by pressure oil injection head, lubricant oil flows out from oil transportation hole, slowly permeate on the joint of bolt, pin is supported and is in lubricating status with the joint of bolt always, not easily get rusty, pin support is transferred more laborsaving back and forth;
2, joint and screw rod are provided with the input oil groove be communicated with, and the lubricant oil of spilling in circular groove can be made slowly to flow in input oil groove, and slowly infiltrate in screw thread, are not easily got rusty in the joint of screw rod and nut, are convenient to dismounting.
3, pin is supported and fixed on the joint of bolt, and oil transportation hole is arranged in circular groove, concentrates on pin for a long time and supports the joint with bolt, decrease the waste of lubricant oil when lubricant oil is flowed out from oil transportation hole.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of bolt body of the present utility model.
Fig. 3 is the structural representation of pressure oil injection head of the present utility model.
In figure: 1. hex head bolt head, 2 annular rings, 3. circular groove, 4. screw rod, 5. oil transportation hole, 6. oil hole, 7. pressure oil injection head, 8. thread section, 9. input oil groove, 10. blocked part.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As Fig. 1, Fig. 2, shown in Fig. 3, the utility model provides a kind of self-lubricating bolt, comprise bolt body, pressure oil injection head 7, described bolt body comprises hex head bolt head 1, joint, screw rod 4, described bolt body top is axially arranged with oil hole 6, described pressure oil injection head 7 docks with described oil hole 6, described joint is the annular ring 2 protruding from described screw rod 4, circular groove 3 is provided with in the middle of annular ring 2, described circular groove 3 is provided with oil transportation hole 5, described oil transportation hole 5 is communicated with described oil hole 6, described joint is provided with described screw rod 4 input oil groove 9 be communicated with, described input oil groove 9 extends to bottom described screw rod 4 from described circular groove 3.
Further, the degree of depth of described circular groove 3 is 0.1-0.3cm.
Further, the width of described circular groove 3 is more than or equal to the aperture in described oil transportation hole 5.
Further, the degree of depth of described input oil groove 9 is 0.05-0.1cm; The width of described input oil groove 9 is 0.1-0.3cm, and the lubricant oil overflowed in circular groove 3 is slowly infiltrated in screw thread, and lubricant oil is more evenly distributed.
Further, bottom described screw rod 4, be provided with blocked part 10 along the setting direction of described input oil groove 9, described blocked part 10 length is 0.1-0.3com.The setting of blocked part 10 can be avoided lubricant oil to outflow and cause waste.
Further, described oil hole 6 is tapped hole, is provided with thread section 8 bottom described pressure oil injection head 7, and described thread section 8 is corresponding with described oil hole 6 screws connection.Add the sealing of connection, it also avoid lubricant oil outflow and cause waste.
When plain bolt fastening foot supports, bolt head is outside chain stay, and outside, when self-lubricating bolt of the present utility model uses, hex head bolt head 1, in outside, injects lubricant oil by pressure oil injection head 7 to facilitate to nut in oil hole 6.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (7)
1. a self-lubricating bolt, comprise bolt body, pressure oil injection head (7), it is characterized in that: described bolt body comprises hex head bolt head (1), joint, screw rod (4), described bolt body top is axially arranged with oil hole (6), described pressure oil injection head (7) is docked with described oil hole (6), described joint is for protruding from the annular ring (2) of described screw rod (4), circular groove (3) is provided with in the middle of annular ring (2), described circular groove (3) is provided with oil transportation hole (5), described oil transportation hole (5) is communicated with described oil hole (6), described joint and described screw rod (4) are provided with the input oil groove (9) be communicated with, described input oil groove (9) extends to described screw rod (4) bottom from described circular groove (3).
2. a kind of self-lubricating bolt according to claim 1, is characterized in that: the degree of depth of described circular groove (3) is 0.1-0.3cm.
3. a kind of self-lubricating bolt according to claim 1 and 2, is characterized in that: the width of described circular groove (3) is more than or equal to the aperture of described oil transportation hole (5).
4. a kind of self-lubricating bolt according to claim 1, is characterized in that: the degree of depth of described input oil groove (9) is 0.05-0.1cm.
5. a kind of self-lubricating bolt according to claim 1 or 4, is characterized in that: the width of described input oil groove (9) is 0.1-0.5cm.
6. a kind of self-lubricating bolt according to claim 1, it is characterized in that: the setting direction in described screw rod (4) bottom along described input oil groove (9) is provided with blocked part (10), and described blocked part (10) length is 0.1-0.3com.
7. a kind of self-lubricating bolt according to claim 1, it is characterized in that: described oil hole (6) is tapped hole, described pressure oil injection head (7) bottom is provided with thread section (8), and described thread section (8) is corresponding with described oil hole (6) screws connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539249.XU CN204851926U (en) | 2015-07-23 | 2015-07-23 | Self -lubricating bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539249.XU CN204851926U (en) | 2015-07-23 | 2015-07-23 | Self -lubricating bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851926U true CN204851926U (en) | 2015-12-09 |
Family
ID=54742478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520539249.XU Expired - Fee Related CN204851926U (en) | 2015-07-23 | 2015-07-23 | Self -lubricating bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851926U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050863A (en) * | 2016-06-27 | 2016-10-26 | 无锡迪奥机械有限公司 | Bolt with lubricating oil collecting device |
| CN106286544A (en) * | 2016-10-27 | 2017-01-04 | 苏州市淞舜五金有限公司 | A kind of special-shaped screw |
| CN107477065A (en) * | 2017-07-31 | 2017-12-15 | 太仓市众翔精密五金有限公司 | A kind of wear-resistant stud of resistance to greasy dirt |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN111828599A (en) * | 2020-07-20 | 2020-10-27 | 东风汽车股份有限公司 | Idle gear transmission lubricating structure |
-
2015
- 2015-07-23 CN CN201520539249.XU patent/CN204851926U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050863A (en) * | 2016-06-27 | 2016-10-26 | 无锡迪奥机械有限公司 | Bolt with lubricating oil collecting device |
| CN106286544A (en) * | 2016-10-27 | 2017-01-04 | 苏州市淞舜五金有限公司 | A kind of special-shaped screw |
| CN107477065A (en) * | 2017-07-31 | 2017-12-15 | 太仓市众翔精密五金有限公司 | A kind of wear-resistant stud of resistance to greasy dirt |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN111828599A (en) * | 2020-07-20 | 2020-10-27 | 东风汽车股份有限公司 | Idle gear transmission lubricating structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160723 |