CN219774734U - Self-lubricating gear blank - Google Patents
Self-lubricating gear blank Download PDFInfo
- Publication number
- CN219774734U CN219774734U CN202321233863.4U CN202321233863U CN219774734U CN 219774734 U CN219774734 U CN 219774734U CN 202321233863 U CN202321233863 U CN 202321233863U CN 219774734 U CN219774734 U CN 219774734U
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- oil
- baffle
- cavity
- gear
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 119
- 239000010687 lubricating oil Substances 0.000 abstract description 29
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model provides a self-lubricating gear blank, which is characterized in that when a gear stops working, residual lubricating oil in an oil groove is not discharged, so that the waste of the lubricating oil is avoided; including the gear body, the annular oil groove has been seted up in the gear body, the liquid filling mouth of a plurality of intercommunication annular oil groove has been seted up to the lateral wall of gear body, liquid filling mouth threaded connection has stifled cap, the outer wall evenly distributed of annular oil groove has a plurality of liquid outlet duct, liquid outlet duct is including the inlet chamber that connects gradually, the connection chamber, the oil outlet chamber, the tip that the annular oil groove was kept away from to the inlet chamber has been seted up and has slided the chamber, the lateral wall of the chamber of sliding inwards protruding being provided with spacing platform, advance oil intracavity sliding connection has the sealing plug, the sealing plug is used for sealing the oil inlet, the sealing plug is kept away from the tip of annular oil groove and is equipped with the connecting rod, the connecting rod extends to the intracavity that slides, the other end of connecting rod is equipped with the thrust plate, thrust plate sliding connection is in the chamber that slides, the tip that the connecting rod was kept away from to the thrust plate is equipped with spring one, when the gear body rotates, the sealing plug gets into the chamber that slides.
Description
Technical Field
The utility model relates to the technical field of gears, in particular to a self-lubricating gear blank.
Background
At present, chinese patent with publication number CN217784152U discloses a gear convenient for lubrication, which comprises a gear disc, wherein the two sides of the gear disc are provided with an oil injection groove near the edge, the outer wall of the oil injection groove is provided with an inner groove I, the inner wall of the oil injection groove is provided with an inner groove II, the central position of the gear disc is provided with a shaft hole in a penetrating way, the inner wall of the shaft hole is provided with a plurality of oil outlet holes I, the outer side of the gear disc is provided with a plurality of gear blocks, the joint part of the adjacent gear blocks is provided with two oil outlet holes II, one end of each oil outlet hole II is communicated with the inner part of the inner groove I, and the inner wall of one side of the inner groove I, which is positioned near the outer part of the gear disc, is in an inclined plane shape; the lubricating oil in the oil injection groove is conveyed to the tooth block which is rotationally meshed through the connection relation among the first inner groove, the second inner groove, the first oil outlet and the second oil outlet, and the shaft hole can be lubricated while lubrication is carried out.
However, when the gear stops working, the residual lubricating oil in the oil injection groove flows out from the first oil outlet and the second oil outlet, so that the waste of the lubricating oil is caused.
Disclosure of Invention
Accordingly, the present utility model is directed to a self-lubricating gear blank, which can prevent the residual lubrication oil in the oil groove from being discharged when the gear stops working, thereby avoiding the waste of lubrication oil.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a self-lubricating gear embryo, includes the gear body, the annular oil groove has been seted up in the gear body, a plurality of intercommunication has been seted up to the lateral wall of gear body the filling port of annular oil groove, filling port threaded connection has the stifled cap, the outer wall evenly distributed of annular oil groove has a plurality of liquid oil duct, liquid oil duct is including the inlet chamber that connects gradually, connecting chamber, play oil pocket, advance oil pocket intercommunication annular oil groove forms the oil inlet, the root circle between the teeth of a cogwheel of play oil pocket intercommunication gear body forms the oil-out, advance oil pocket and keep away from the tip of annular oil groove has seted up the chamber of sliding, the lateral wall in chamber of sliding is inwards protruding to be provided with spacing platform, advance oil intracavity sliding connection has the sealing plug, the sealing plug is used for sealing the oil inlet, the sealing plug is kept away from the tip of annular oil groove is equipped with the connecting rod, the connecting rod extends to slide the intracavity, the other end of connecting rod is equipped with the passing board sliding connection in the chamber, the tip of connecting rod is equipped with spring one, the other end of spring one is contradicted the gear body that slides, when the sealing plug rotates.
According to the technical scheme, the annular oil groove is filled with lubricating oil through the liquid adding opening, and then the liquid adding opening is closed by the blocking cap, so that the lubricating oil cannot flow into the liquid outlet oil duct from the annular oil groove due to the existence of the sealing plug; when the gear main body rotates, the sealing plug, the connecting rod and the pushing plate in the oil inlet cavity are enabled to move towards the sliding cavity away from the center of the gear main body by centrifugal force, in the moving process, the spring I is extruded and deformed until the sealing plug enters the sliding cavity, at the moment, the oil inlet cavity and the connecting cavity are communicated, lubricating oil enters the oil inlet cavity from the oil inlet, and flows out of the connecting cavity and the oil outlet cavity, so that the lubricating oil can be automatically conveyed to the meshed tooth surface when the gear runs, the abrasion of the gear is reduced, and the service life of the gear is prolonged; when the gear main body stops rotating, the compressed spring is restored by the elastic force released, the pushing plate, the connecting rod and the sealing plug are pushed to be close to the center of the gear main body again until the pushing plate abuts against the limiting table, at the moment, the sealing plug seals the oil inlet, and lubricating oil is prevented from entering the liquid outlet oil duct, so that the lubricating oil is wasted.
Preferably, the width of the oil inlet cavity gradually expands from inside to outside.
Through the technical scheme, when the sealing plug is influenced by centrifugal force for the first time, lubricating oil can enter the connecting cavity from the oil inlet to enter the gap between the oil inlet cavity and the sealing plug, so that the lubricating oil is conveyed to the meshed gear surface for the first time, and the time from the annular oil cavity to the gear surface after the gear is started is shortened.
Preferably, the oil outlet is inwards protruded to be provided with a baffle, a sealing rod is connected to the center of the baffle in a sliding manner, a push rod is fixedly connected with the end part of the sealing rod, which is far away from the oil outlet cavity, the push rod extends to the outer side of the oil outlet, the diameter of the push rod is smaller than that of the sealing rod, the other end of the sealing rod is fixedly connected with a baffle plate, the baffle plate is positioned in the oil outlet, the side wall of the baffle plate is positioned between the oil outlet and the baffle plate, a spring II is arranged on the inner side of the baffle plate, and the spring II is used for resetting the baffle plate.
Through the technical scheme, when the two gear bodies are meshed and rotated, tooth tops of the gear bodies can squeeze the ejector rods at the meshing positions, the ejector rods jack the sealing rods into the oil outlet cavity from the baffle table completely, the sealing rods drive the baffle plate to move, the baffle plate drives the spring II to compress, at the moment, the oil outlet cavity is communicated with the gear surface, and lubricating oil flows out of the oil outlet cavity to lubricate; after the engagement is finished, the second spring pushes the baffle plate, the sealing rod and the ejector rod to recover, so that the next engagement preparation is performed; the sealing rod prevents lubricating oil from flowing out of the meshed gear surface when the gear body rotates, so that the waste of the lubricating oil is avoided; the ejector rod is matched with the tooth top of the meshing gear body, so that the gear automatically recognizes the meshing position, and the second spring ensures that the ejector rod, the sealing rod and the baffle can return to the original positions after the meshing is finished.
Preferably, an oil absorbing cotton is fixedly connected between the second spring and the baffle.
Through the technical scheme, when rotating, lubricating oil enters the oil inlet cavity and the connecting cavity and is absorbed by the oil absorbing cotton in advance, so that the condition that the time for the sealing rod to enter the oil outlet cavity is short when the sealing rod is meshed, so that the flowing lubricating oil is less is avoided.
Preferably, the end part of the ejector rod extending to the outer side of the oil outlet is provided with a ball head, and a soft rubber sleeve is sleeved outside the ball head.
Through above-mentioned technical scheme, avoid the tooth top hard impact ejector pin of the gear body of meshing when rotating, cause the damage of gear, soft gum cover has reduced the sound when striking simultaneously.
Preferably, the ejector rod, the sealing rod and the baffle are integrally formed, and the sealing plug, the connecting rod and the pushing plate are integrally formed.
Through the technical scheme, the production time is shortened by integral molding, and the integral strength of the steel is also increased.
Preferably, the side wall of the gear body is provided with an oil filling groove, the liquid filling opening is arranged at the bottom of the oil filling groove, and the bottom of the oil filling groove is gradually inclined towards the liquid filling opening.
Through above-mentioned technical scheme, when needs add inside lubricating oil, can pour new lubricating oil into the oil filler groove in, lubricating oil then flows to the filling opening along the inclined plane of tank bottom, avoids directly pouring lubricating oil too fast to the filling opening, causes lubricating oil to pile up the drill way and can't get into annular oil groove.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2.
Reference numerals: 1. a gear body; 2. an annular oil groove; 3. a liquid adding port; 4. a blocking cap; 5. a liquid outlet oil duct; 51. an oil inlet cavity; 52. a connecting cavity; 53. an oil outlet cavity; 6. an oil inlet; 7. an oil outlet; 8. a sliding cavity; 9. a limiting table; 10. a sealing plug; 11. a connecting rod; 12. a pushing plate; 13. a first spring; 14. a baffle; 15. a sealing rod; 16. a push rod; 17. a baffle; 18. a second spring; 19. oil absorbing cotton; 20. ball head; 21. a soft rubber sleeve; 22. and an oil injection groove.
Description of the embodiments
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides a self-lubricating gear embryo, as shown in fig. 1-3, includes gear body 1, has seted up annular oil groove 2 in the gear body 1, and oil injection groove 22 has been seted up to gear body 1's lateral wall, and oil injection groove 22's tank bottom is equipped with the liquid filling mouth 3 of a plurality of intercommunication annular oil grooves 2, and liquid filling mouth 3 threaded connection has stifled cap 4, and oil injection groove 22's tank bottom gradually inclines to liquid filling mouth 3. The outer wall of the annular oil groove 2 is uniformly provided with a plurality of liquid outlet oil channels 5, and the liquid outlet oil channels 5 comprise an oil inlet cavity 51, a connecting cavity 52 and an oil outlet cavity 53 which are sequentially connected. The oil inlet cavity 51 is communicated with the annular oil groove 2 to form an oil inlet 6, the width of the oil inlet cavity 51 is gradually enlarged from inside to outside, and the oil outlet cavity 53 is communicated with a root circle between gear teeth of the gear body to form an oil outlet 7.
The end of the oil inlet cavity 51 far away from the annular oil groove 2 is provided with a sliding cavity 8, the side wall of the sliding cavity 8 is internally provided with a limiting table 9 in a protruding mode, a sealing plug 10 is connected in the oil inlet cavity 51 in a sliding mode, and the sealing plug 10 is used for sealing the oil inlet 6. The end that sealing plug 10 kept away from annular oil groove 2 is equipped with connecting rod 11, and connecting rod 11 extends to the intracavity that slides 8, and the other end of connecting rod 11 is equipped with pushing plate 12, pushing plate 12 sliding connection in the chamber that slides 8, and sealing plug 10, connecting rod 11, pushing plate 12 integrated into one piece. The end of the pushing plate 12 far away from the connecting rod 11 is provided with a first spring 13, the other end of the first spring 13 abuts against the sliding cavity 8, and when the gear body 1 rotates, the sealing plug 10 enters the sliding cavity 8.
The oil outlet 7 is internally provided with a baffle table 14 in a protruding mode, the center of the baffle table 14 is connected with a sealing rod 15 in a sliding mode, the end portion, far away from the oil outlet cavity 53, of the sealing rod 15 is fixedly connected with a push rod 16, and the push rod 16 extends to the outer side of the oil outlet 7. The end part of the ejector rod 16 extending to the outer side of the oil outlet 7 is provided with a ball head 20, a soft rubber sleeve 21 is sleeved outside the ball head 20, and the diameter of the ejector rod 16 is smaller than that of the sealing rod 15. The other end of the sealing rod 15 is fixedly connected with a baffle 17 positioned in the oil outlet 7, the side wall of the baffle 17 is positioned between the oil outlet 7 and the baffle table 14, and the ejector rod 16, the sealing rod 15 and the baffle 17 are integrally formed. The inner side of the baffle 17 is provided with a second spring 18, the second spring 18 is used for resetting the baffle 17, and an oil absorbing cotton 19 is fixedly connected between the second spring 18 and the baffle 17.
The working process of the self-lubricating gear blank comprises the following steps: when the two gear bodies 1 are rotationally engaged, centrifugal force enables the sealing plug 10, the connecting rod 11 and the pushing plate 12 in the oil inlet cavity 51 to move away from the center of the gear body 1 to the sliding cavity 8, and in the moving process, the first spring 13 is extruded and deformed. At this time, the oil inlet cavity 51 is communicated with the connecting cavity 52, lubricating oil enters the oil inlet cavity 51 and the connecting cavity 52 from the oil inlet 6, and the oil absorbing cotton 19 absorbs the lubricating oil for use. Then, the tooth tops of the gear body 1 can extrude the ejector rods 16 at the meshing positions, the ejector rods 16 jack the sealing rods 15 from the baffle table 14 into the oil outlet cavity 53 completely, the sealing rods 15 drive the baffle plates 17 to move, the baffle plates 17 extrude the oil absorbing cotton 19 and drive the springs II 18 to compress, at the moment, lubricating oil in the oil absorbing cotton 19 is extruded to flow outwards to a gap between the baffle plates 17 and the oil outlet cavity 53, and then flows out to the surface of the gear from the gap between the ejector rods 16 and the baffle table 14. After the engagement is finished, the second spring 18 pushes the baffle 17, the sealing rod 15 and the ejector rod 16 to restore until the baffle 17 abuts against the baffle table 14, and at the moment, the sealing rod 15 seals the oil outlet 7. When the internal lubricating oil needs to be added, new lubricating oil can be poured into the oil injection groove 22, and the lubricating oil flows to the liquid filling opening 3 along the inclined surface of the bottom of the oil injection groove 22.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (7)
1. The self-lubricating gear blank comprises a gear body (1), and is characterized in that: an annular oil groove (2) is formed in the gear body (1), a plurality of communicating liquid adding ports (3) of the annular oil groove (2) are formed in the side wall of the gear body (1), a plugging cap (4) is connected with the liquid adding ports (3) through threads, a plurality of liquid outlet oil channels (5) are uniformly distributed on the outer wall of the annular oil groove (2), the liquid outlet oil channels (5) comprise an oil inlet cavity (51), a connecting cavity (52) and an oil outlet cavity (53) which are sequentially connected, the oil inlet cavity (51) is communicated with the annular oil groove (2) to form an oil inlet (6), a tooth root circle between gear teeth of the oil outlet cavity (53) is communicated with the gear body to form an oil outlet (7), the end part of the annular oil groove (2) is far away from an end part of the oil inlet cavity (51) is provided with a sliding cavity (8), a limiting table (9) is arranged on the inner protrusion of the side wall of the sliding cavity (8), a sealing plug (10) is connected in a sliding mode, the inner sealing plug (10) is used for sealing the oil inlet (6), the annular oil inlet cavity (10) is far away from the end part (2) and is provided with a sealing plug (11) and extends to the connecting rod (11), the pushing plate (12) is slidably connected to the sliding cavity (8), a first spring (13) is arranged at the end, away from the connecting rod (11), of the pushing plate (12), the other end of the first spring (13) abuts against the sliding cavity (8), and when the gear body (1) rotates, the sealing plug (10) enters the sliding cavity (8).
2. The self-lubricating gear blank according to claim 1, wherein: the width of the oil inlet cavity (51) gradually expands from inside to outside.
3. The self-lubricating gear blank according to claim 1, wherein: the oil outlet (7) inwards protrudes and is provided with a baffle (14), a sealing rod (15) is connected to the center of the baffle (14) in a sliding manner, a push rod (16) is fixedly connected to the end part of the oil outlet cavity (53) and far away from the sealing rod (15), the push rod (16) extends to the outer side of the oil outlet (7), the diameter of the push rod (16) is smaller than that of the sealing rod (15), a baffle (17) is fixedly connected to the other end of the sealing rod (15), the baffle (17) is located in the oil outlet (7), the side wall of the baffle (17) is located between the oil outlet (7) and the baffle (14), a spring II (18) is arranged on the inner side of the baffle (17), and the spring II (18) is used for resetting the baffle (17).
4. A self-lubricating gear blank according to claim 3, characterized in that: an oil absorption cotton (19) is fixedly connected between the second spring (18) and the baffle (17).
5. A self-lubricating gear blank according to claim 3, characterized in that: the end part of the ejector rod (16) extending to the outer side of the oil outlet (7) is provided with a ball head (20), and a soft rubber sleeve (21) is sleeved outside the ball head (20).
6. A self-lubricating gear blank according to claim 3, characterized in that: the ejector rod (16), the sealing rod (15) and the baffle (17) are integrally formed, and the sealing plug (10), the connecting rod (11) and the pushing plate (12) are integrally formed.
7. The self-lubricating gear blank according to claim 1, wherein: an oil injection groove (22) is formed in the side wall of the gear body (1), the liquid filling opening (3) is formed in the bottom of the oil injection groove (22), and the bottom of the oil injection groove (22) is gradually inclined towards the liquid filling opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233863.4U CN219774734U (en) | 2023-05-19 | 2023-05-19 | Self-lubricating gear blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233863.4U CN219774734U (en) | 2023-05-19 | 2023-05-19 | Self-lubricating gear blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774734U true CN219774734U (en) | 2023-09-29 |
Family
ID=88137696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321233863.4U Active CN219774734U (en) | 2023-05-19 | 2023-05-19 | Self-lubricating gear blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774734U (en) |
-
2023
- 2023-05-19 CN CN202321233863.4U patent/CN219774734U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |