CN112728040A - Vertically placed gear with oil grooves - Google Patents
Vertically placed gear with oil grooves Download PDFInfo
- Publication number
- CN112728040A CN112728040A CN202011559618.3A CN202011559618A CN112728040A CN 112728040 A CN112728040 A CN 112728040A CN 202011559618 A CN202011559618 A CN 202011559618A CN 112728040 A CN112728040 A CN 112728040A
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- CN
- China
- Prior art keywords
- hole
- gear
- oil
- oil guide
- wall
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
- F16H57/0431—Means for guiding lubricant directly onto a tooth surface or to foot areas of a gear, e.g. by holes or grooves in a tooth flank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
Abstract
The invention relates to the field of machinery, and discloses a vertically placed gear with an oil groove, which comprises a gear and a gear cover, wherein the gear cover is arranged on the gear, the gear comprises a gear main body, teeth, an oil groove, a first oil guide through hole and a second oil guide through hole, the oil groove is arranged at the front end of the gear main body, one end of the first oil guide through hole and one end of the second oil guide through hole are arranged on the inner wall of the oil groove, the other end of the first oil guide through hole and the other end of the second oil guide through hole are arranged on the outer wall of the gear main body, the opening directions of the first oil guide through hole and the second oil guide through hole on the outer wall respectively face to the tooth walls of two adjacent teeth on the outer wall of the gear main body, the first oil guide through hole and the second oil guide through hole are distributed on two sides of a connecting line between the axle center of the gear main body and the center of a gear valley, blocking structures are respectively arranged in the first oil guide through hole and the, prevent that the lubricating oil in the oil groove from revealing, lubricating oil obtains make full use of.
Description
Technical Field
The invention relates to the field of machinery, in particular to a vertically-placed gear with an oil groove.
Background
The gear is a mechanical element with a rim on which the gear is continuously meshed to transmit motion and power, and when the gear works, a large amount of friction is generated due to the contact surface between teeth, so that lubricating oil is needed to reduce the friction of gear parts and prolong the service life of the gear.
The gear, the electric machine and the automobile with the oil distribution groove with the patent number of CN105697731B comprise a main body, teeth, a connecting part, a first curve groove, a second curve groove and a connecting groove; the clock directions of tracks formed by the first curve groove and the second curve groove starting from the inner end to the outer end are different; the first curve grooves and the second curve grooves are distributed on two sides of a connecting line of the center of the tooth valley of the main body and the axis of the main body in pairs; the outer sides of the paired first curved grooves and second curved grooves are provided with openings at the tooth valley part of the main body; the inner ends of all the first curve grooves and the second curve grooves are communicated with the connecting grooves; the invention has the advantages of low cost, flexible application, long service life and stability.
But the gear level in the above-mentioned patent is placed the during operation effectual, the vertical during operation of placing of gear, the first curve slot that is located the main part lower part, the problem of oil leak can appear in the second curve slot, gear work is with during out-of-operation, lubricating oil in the spread groove all can be followed the first curve slot that is located the main part lower part, the outflow of second curve slot, lubricating oil in the spread groove runs off very fast, lubricated effect is not good, and the vertical placement of gear, gear side opening, the oil storage effect is not good in the spread groove.
Disclosure of Invention
The invention provides a vertically-arranged gear with an oil groove, which can solve the technical problem.
The invention provides the following technical scheme: a vertically placed gear with an oil groove comprises a gear and a gear cover, wherein the gear cover is arranged on the gear, the gear comprises a gear main body, teeth, the oil groove, a first oil guide through hole and a second oil guide through hole, the oil groove is positioned at the front end of the gear main body, one end of the first oil guide through hole and one end of the second oil guide through hole are positioned on the inner wall of the oil groove, the other end of the first oil guide through hole and the other end of the second oil guide through hole are positioned on, and first lead the opening direction that oil through hole and second are located on the outer wall and lead the tooth wall of two adjacent teeth on the gear main part outer wall respectively, first lead oil through hole and second lead the both sides that oil through hole mated distributes at gear main part axle center and gear tooth valley central line, first lead all install in oil through hole and the second lead the oil through hole and block the structure, the gear during operation is vertical to be placed, block the structure and be used for preventing the lubricating oil in the oil groove from leading oil through hole and second and lead in the oil through hole outflow from being located the gear main part lower part.
Further, first oil through hole of leading includes first hole, second hole and third hole, and the second hole is used for connecting first hole and third hole, and first hole is linked together with the oil groove, and it is downthehole at first hole and second to block structural installation, and the aperture of first hole, second hole and third hole reduces in proper order, and first oil through hole and the second of leading lead oil through hole lead about gear main body axle center and gear tooth valley central line symmetry.
Further, block the structure and include the spring and block the ball, spring fixed connection blocks between ball and the second hole bottom wall, and the spring lower part is located the second hole, blocks that the ball is located the first hole, blocks that the diameter of ball is greater than second hole aperture, and blocks that the diameter of ball is less than the aperture of first hole, and when the gear was placed vertically, vertical decurrent power that blocks ball gravity and produce was greater than the elasticity of spring and the centrifugal force sum that blocks the ball.
Further, the blocking ball is made of steel.
Further, the blocking ball is made of iron.
Furthermore, a blocking part is arranged on the side wall, close to the inner wall of the oil groove, of the first hole, and the blocking ball cannot seal the first hole when contacting with the blocking part.
Further, the front end of the gear body is provided with a connecting portion, the size of the inner wall of the connecting portion is the same as that of the inner wall of the oil groove far away from the axis of the gear body, the gear cover is connected with the connecting portion in a buckling mode, and a sealing gasket is installed at the contact position of the connecting portion and the gear cover.
The invention has the following beneficial effects:
1. the invention provides a technical idea that a first oil guide through hole and a second oil guide through hole which are positioned at the lower part of a gear main body are ensured to be oil-tight, blocking structures are respectively arranged on the first oil guide through hole and the second oil guide through hole, and the first oil guide through hole and the second oil guide through hole which are positioned at the lower part of the gear main body are oil-tight due to the action of the blocking structures.
2. The invention is provided with a blocking structure, the first oil guide through hole and the second oil guide through hole are both provided with the blocking structure, when a gear is vertically placed and does not work, the first oil guide through hole and the second oil guide through hole which are positioned at the lower part of the gear main body are not leaked due to the action of the blocking structure, when the gear is vertically placed and works, the first oil guide through hole and the second oil guide through hole which are positioned at the lower part of the gear main body are not leaked due to the action of the blocking structure, the first oil guide through hole and the second oil guide through hole which are positioned at the upper part of the gear main body can not be closed, lubricating oil in an oil groove can be thrown out through the first oil guide through hole and the second oil guide through hole due to centrifugal force and then splashed on a tooth wall, and the.
3. The gear cover is arranged, the gear cover seals the oil groove, and the sealing washer is arranged at the contact part of the connecting part and the gear cover, so that lubricating oil in the oil groove cannot spill out when the gear rotates.
4. The blocking part is arranged, so that the blocking ball cannot fall out of the first hole due to gravity, the blocking ball moves in the first hole, the up-and-down movement time of the blocking ball is saved, and when the blocking ball moves to the lower part of the gear main body in the first oil guide through hole and the second oil guide through hole, the blocking ball can rapidly move outwards, so that the upper end of the second hole is closed in time.
5. The invention has simple structure, the gear is vertically arranged to use lubricating oil, and the lubricating oil can be fully utilized, and the service life is long.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;
FIG. 3 is a perspective view of the gear of the present invention;
fig. 4 is a schematic perspective view of the gear body according to the present invention.
The reference numbers in the figures illustrate:
1. a gear; 2. a gear cover; 11. a gear body; 111. a connecting portion; 12. teeth; 13. an oil sump; 14. a first oil guiding through hole; 141. a first hole; 142. a second hole; 143. a third aperture; 144. a blocking portion; 15. a second oil guiding through hole; 16. a barrier structure; 161. a spring; 162. blocking the ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-4, a vertically disposed gear with oil groove, which includes a gear 1 and a gear cover 2, the gear cover 2 is installed on the gear 1, the gear 1 includes a gear body 11, teeth 12, an oil groove 13, a first oil guiding through hole 14 and a second oil guiding through hole 15, the oil groove 13 is located at the front end of the gear body 11, one end of the first oil guiding through hole 14 and the second oil guiding through hole 15 is located at the inner wall of the oil groove 13, the other end is located at the outer wall of the gear body 11, the opening directions of the first oil guiding through hole 14 and the second oil guiding through hole 15 located at the outer wall respectively face the tooth walls of two adjacent teeth on the outer wall of the gear body 11, the first oil guiding through hole 14 and the second oil guiding through hole 15 are distributed at two sides of the connection line of the axis of the gear body 11 and the center of the gear 1, both blocking structures 16 are installed in the first oil guiding through hole 14 and the second oil guiding through hole 15, the blocking structure 16 is used to prevent the lubricating oil in the oil groove 13 from flowing out of the first oil guiding through hole 14 and the second oil guiding through hole 15 located at the lower portion of the gear body 11, and an oil filling hole is formed in the shaft fitted to the gear 1, through which oil is filled into the oil groove 13.
The first oil guiding through hole 14 comprises a first hole 141, a second hole 142 and a third hole 143, the second hole 142 is used for connecting the first hole 141 and the third hole 143, the first hole 141 is communicated with the oil groove 13, the blocking structure 16 is installed in the first hole 141 and the second hole 142, the hole diameters of the first hole 141, the second hole 142 and the third hole 143 are sequentially reduced, and the first oil guiding through hole 14 and the second oil guiding through hole 15 are symmetrical to a tooth valley center connecting line of the gear 1 about the axis of the gear body 1.
The blocking structure 16 comprises a spring 161 and a blocking ball 162, the spring 161 is fixedly connected between the blocking ball 162 and the bottom wall of the second hole 142, the lower portion of the spring 161 is located in the second hole 142, the blocking ball 162 is located in the first hole, the diameter of the blocking ball 162 is larger than that of the second hole 142, and the diameter of the blocking ball 162 is smaller than that of the first hole 141, when the gear 1 is vertically placed, the vertical downward force generated by the gravity of the blocking ball 162 is larger than the sum of the elastic force of the spring 161 and the centrifugal force of the blocking ball 162, so that the first oil guide through hole 14 and the second oil guide through hole 15 located at the lower portion of the gear body 11 are ensured to be closed, the oil groove 13 is free from leakage, the first oil guide through hole 14 and the second oil guide through hole 15 located at the upper portion of the gear body 11 are unblocked, lubricating oil can fly to the gear wall through the first oil guide through hole 14 and the second oil guide through.
The blocking ball 162 may be made of iron or steel, and the blocking ball 162 may be made of any material as long as the blocking ball 162 is made of the material which satisfies the condition that the vertical downward force generated by the gravity of the blocking ball 162 is greater than the sum of the elastic force of the spring 161 and the centrifugal force of the blocking ball 162.
The side wall of the first hole 141 close to the inner wall of the oil groove 13 is provided with the blocking portion 144, and the blocking ball 162 does not close the first hole 141 when contacting the blocking portion 144, so that the blocking ball 162 does not fall out of the first hole 141 due to gravity, and the blocking ball 162 moves in the first hole 141, thereby saving the time for the blocking ball 162 to move up and down, and when the blocking ball 162 moves to the lower part of the gear body 11 in the first oil guiding through hole 141 and the second oil guiding through hole 142, the blocking ball 162 can rapidly move outwards, thereby closing the upper end of the second hole 142 in time.
The front end of the gear body 11 is provided with a connecting part 111, the inner wall of the connecting part 111 has the same size as the inner wall of the oil groove 13 far away from the axis of the gear body 11, the gear cover 2 is connected with the connecting part 111 in a buckling manner, and a sealing gasket is arranged at the contact part of the connecting part 111 and the gear cover 2, so that when the gear 1 rotates, lubricating oil in the oil groove 13 cannot leak out.
The working principle is as follows: when the gear 1 is vertically placed and does not work, the gravity of the blocking ball 162 is greater than the elastic force of the spring 161, the blocking ball 162 in the first oil guiding through hole 14 and the second oil guiding through hole 15 at the lower part of the gear main body can seal the upper end of the second hole 142 to prevent the lubricating oil in the oil groove 13 from leaking, when the gear 1 is vertically placed and works, the vertical downward force generated by the gravity of the blocking ball 162 is greater than the sum of the elastic force of the spring 161 and the centrifugal force of the blocking ball 162, the gear 1 rotates, the blocking ball 162 in the first oil guiding through hole 14 and the second oil guiding through hole 15 at the lower part of the gear main body 11 can still seal the upper end of the second hole 142 to prevent the lubricating oil in the oil groove 13 from leaking, the first oil guiding through hole 14 and the second oil guiding through hole 15 at the upper part cannot be sealed, the lubricating oil in the oil groove 13 can be thrown out and flown on the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a vertical gear that has an oil groove which characterized in that: comprises a gear body (1) and a gear cover (2);
the gear cover (2) is arranged on the gear body (1);
the gear body (1) comprises a gear main body (11), teeth (12), an oil groove (13), a first oil guide through hole (14) and a second oil guide through hole (15);
the oil groove (13) is positioned at the front end of the gear main body (11);
one end of each of the first oil guide through hole (14) and the second oil guide through hole (15) is positioned on the inner wall of the oil groove (13), the other end of each of the first oil guide through hole and the second oil guide through hole is positioned on the outer wall of the gear main body (11), and the opening directions of the first oil guide through hole (14) and the second oil guide through hole (15) on the outer wall respectively face the tooth walls of two adjacent teeth on the outer wall of the gear main body (11);
the first oil guide through holes (14) and the second oil guide through holes (15) are distributed on two sides of a connecting line of the axis of the gear main body (11) and the center of a tooth valley of the gear body (1) in pairs;
the first oil guide through hole (14) and the second oil guide through hole (15) are internally provided with a blocking structure (16);
the gear is vertically placed when in work, and the blocking structure (16) is used for preventing lubricating oil in the oil groove (13) from flowing out of the first oil guide through hole (14) and the second oil guide through hole (15) which are positioned at the lower part of the gear main body (11).
2. A vertically disposed gear having an oil sump according to claim 1, wherein: first lead oil through hole (14) including first hole (141), second hole (142) and third hole (143), second hole (142) are used for connecting first hole (141) and third hole (143), first hole (141) are linked together with oil groove (13), it installs in first hole (141) and second hole (142) to block structure (16), the aperture of first hole (141), second hole (142) and third hole (143) reduces in proper order, first lead oil through hole (14) and second lead oil through hole (15) about gear main part (1) axle center with gear body (1) tooth valley central line symmetry.
3. A vertically disposed gear having an oil sump according to claim 2, wherein: the blocking structure (16) comprises a spring (161) and a blocking ball (162), the spring (161) is fixedly connected between the blocking ball (162) and the bottom wall of the second hole (142), the lower part of the spring (161) is positioned in the second hole (142), the blocking ball (162) is positioned in the first hole, the diameter of the blocking ball (162) is larger than the aperture of the second hole (142), and the diameter of the blocking ball (162) is smaller than the aperture of the first hole (141);
when the gear body (1) is vertically placed, the vertical downward force generated by the gravity of the blocking ball (162) is larger than the sum of the elastic force of the spring (161) and the centrifugal force of the blocking ball (162).
4. A vertically disposed gear having an oil sump according to claim 3, wherein: the blocking ball (162) is made of steel.
5. A vertically disposed gear having an oil sump according to claim 3, wherein: the blocking ball (162) is made of iron.
6. A vertically disposed gear having an oil sump according to claim 3, wherein: a blocking part (144) is arranged on the side wall of the first hole (141) close to the inner wall of the oil groove (13), and the blocking ball (162) cannot seal the first hole (141) when contacting with the blocking part (144).
7. A vertically disposed gear having an oil sump according to claim 1, wherein: the front end of the gear body (11) is provided with a connecting part (111), the size of the inner wall of the connecting part (111) is the same as that of the inner wall of the oil groove (13) far away from the axis of the gear body (11), the gear cover (2) is connected with the connecting part (111) in a buckling mode, and a sealing gasket is installed at the contact position of the connecting part (111) and the gear cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559618.3A CN112728040A (en) | 2020-12-25 | 2020-12-25 | Vertically placed gear with oil grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559618.3A CN112728040A (en) | 2020-12-25 | 2020-12-25 | Vertically placed gear with oil grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728040A true CN112728040A (en) | 2021-04-30 |
Family
ID=75616002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011559618.3A Withdrawn CN112728040A (en) | 2020-12-25 | 2020-12-25 | Vertically placed gear with oil grooves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112728040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762159A (en) * | 2020-12-25 | 2021-05-07 | 王鑫 | Self-lubricating gear with oil guide groove |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989083A (en) * | 1995-09-25 | 1997-03-31 | Daihatsu Motor Co Ltd | Lubricating structure for scissors gear |
| CN203979327U (en) * | 2014-07-14 | 2014-12-03 | 浙江昌利锻造有限公司 | A kind of novel planetary gear |
| CN204828550U (en) * | 2015-07-04 | 2015-12-02 | 河南中锐起重设备有限公司 | Drive arrangement's lubricated type gear |
| CN105697731A (en) * | 2016-01-05 | 2016-06-22 | 褚婷婷 | Gear with oil distribution tank, electric machine and vehicle |
| CN207421271U (en) * | 2017-11-22 | 2018-05-29 | 綦江长风齿轮（集团）有限公司 | A kind of damping oilgear of fuel-economizing |
| JP2020046051A (en) * | 2018-09-21 | 2020-03-26 | いすゞ自動車株式会社 | Lubrication structure |
| CN210600099U (en) * | 2019-10-17 | 2020-05-22 | 浙江丰安齿轮股份有限公司 | Transmission gear for wheel type harvester |
| CN211343928U (en) * | 2019-11-15 | 2020-08-25 | 福建省南安安齿齿轮箱有限公司 | Self-feeding oil gear for sports |
| CN211599470U (en) * | 2020-02-25 | 2020-09-29 | 台州尚贤齿轮制造有限公司 | Novel speed reducer gear |
-
2020
- 2020-12-25 CN CN202011559618.3A patent/CN112728040A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0989083A (en) * | 1995-09-25 | 1997-03-31 | Daihatsu Motor Co Ltd | Lubricating structure for scissors gear |
| CN203979327U (en) * | 2014-07-14 | 2014-12-03 | 浙江昌利锻造有限公司 | A kind of novel planetary gear |
| CN204828550U (en) * | 2015-07-04 | 2015-12-02 | 河南中锐起重设备有限公司 | Drive arrangement's lubricated type gear |
| CN105697731A (en) * | 2016-01-05 | 2016-06-22 | 褚婷婷 | Gear with oil distribution tank, electric machine and vehicle |
| CN207421271U (en) * | 2017-11-22 | 2018-05-29 | 綦江长风齿轮（集团）有限公司 | A kind of damping oilgear of fuel-economizing |
| JP2020046051A (en) * | 2018-09-21 | 2020-03-26 | いすゞ自動車株式会社 | Lubrication structure |
| CN210600099U (en) * | 2019-10-17 | 2020-05-22 | 浙江丰安齿轮股份有限公司 | Transmission gear for wheel type harvester |
| CN211343928U (en) * | 2019-11-15 | 2020-08-25 | 福建省南安安齿齿轮箱有限公司 | Self-feeding oil gear for sports |
| CN211599470U (en) * | 2020-02-25 | 2020-09-29 | 台州尚贤齿轮制造有限公司 | Novel speed reducer gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762159A (en) * | 2020-12-25 | 2021-05-07 | 王鑫 | Self-lubricating gear with oil guide groove |
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Application publication date: 20210430 |
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| WW01 | Invention patent application withdrawn after publication |