CN106641181A - Gear with end face lubricating structure - Google Patents
Gear with end face lubricating structure Download PDFInfo
- Publication number
- CN106641181A CN106641181A CN201611183032.5A CN201611183032A CN106641181A CN 106641181 A CN106641181 A CN 106641181A CN 201611183032 A CN201611183032 A CN 201611183032A CN 106641181 A CN106641181 A CN 106641181A
- Authority
- CN
- China
- Prior art keywords
- gear
- oil groove
- face
- oil
- end surface
- 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.)
- Pending
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 abstract description 64
- 239000010687 lubricating oil Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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
-
- 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
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a gear with an end face lubricating structure. The gear with the end face lubricating structure comprises a gear body, wherein the periphery of the gear body is provided with gear teeth, the center of the gear body is provided with a protruding shaft, the end face of the protruding shaft is provided with at least one oil groove, the two ends of the oil grooves extend to the edge of the protruding shaft, and the oil grooves penetrate through a string where the oil grooves in the circular end face are located. The gear with the end face lubricating structure has the advantages of being simple in structure and convenient to manufacture, through the forming of the oil grooves in the end face of the gear, in the running process of the gear, lubricating oil in the oil grooves forms an oil film between the end faces of two gears which are attached to each other, the forming of the oil film can effectively reduce the friction resistance during the work of a friction pair formed between the two gears, thus the friction condition of the friction pair is improved, the abrasion of parts is reduced, and the service life of the gear is prolonged.
Description
Technical field
The present invention relates to Gear Manufacturing Technology field, a kind of especially gear with lubricating end surface structure.
Background technology
Gear drive is a kind of kind of drive very common in frame for movement, in gear drive typically using lubricating oil or
Person's lubricating grease comes to gear lubrication, and present lubricating system can only solve the lubrication between gear teeth, and lubricant effect is simultaneously
It is not very good.
Existing Application No. 201610373426.0, the patent Shen of entitled " a kind of duplicate gear with rear oil groove "
Please file disclose a kind of duplicate gear with rear oil groove, comprising gear wheel, little gear and rotary shaft；The rotary shaft includes
Axle body, the forward pillow for being arranged on axle body front end and it is arranged on the aft pillow block of axle body rear end；The gear wheel, little gear are from left to right
Successively fixed cover is on axle body；The gear wheel and little gear are fixed and are fitted and connected；The axle body sets with the junction of aft pillow block
It is equipped with the rear oil groove of annular.Separately there are Application No. 201610373837.X, entitled " a kind of duplicate gear with front oil groove "
Patent application document disclose a kind of duplicate gear with front oil groove, comprising gear wheel, little gear and rotary shaft；Described turn
Moving axis includes axle body, is arranged on the forward pillow of axle body front end and is arranged on the aft pillow block of axle body rear end；The gear wheel, little gear
From left to right successively fixed cover on axle body；The gear wheel and little gear are fixed and are fitted and connected；The axle body and forward pillow
Junction is provided with the front oil groove of annular.Two kinds of above-mentioned gears are by mill of the fluting to reduce during working gear on gear
Damage, improve the service life of gear.But, it still wants to the wear problem between the gear teeth for solving.
There are a pair of in-line gears in some reductors, their end face is bonded to each other, can be formed in end face during rotation and be rubbed
Wipe secondary, be also easy to produce high temperature when high speed rotates, friction pair short life and fragile.
The content of the invention
The technical problem to be solved is the present situation for prior art, there is provided simple structure, easily manufactured, energy
Enough effectively reduce a kind of gear with lubricating end surface structure of end-face friction.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：
A kind of gear with lubricating end surface structure, includes gear, and the periphery of gear is formed with teeth, gear
Be provided centrally with protruding shaft, at least one oil groove is formed with the end face of protruding shaft, the two ends of oil groove extend to the edge of the protruding shaft,
The oil groove string that the oil groove is located in circular end face.
The technical measures of optimization also include：
The number of above-mentioned oil groove is two, and two oil grooves are symmetrical arranged.
The center line of above-mentioned oil groove is located on the trisection line of the bottom of the tooth circular diameter of the gear.
The periphery of above-mentioned protruding shaft is fillet structure.
The section of above-mentioned oil groove is in the shape of the letter V structure.
The subtended angle of above-mentioned V-shaped structure is 120 °.
The u-shaped structure in section of above-mentioned oil groove.
The arched structure in section of above-mentioned oil groove.
The trapezoidal structure in section of above-mentioned oil groove.
The depth of above-mentioned oil groove is 1mm to 3mm.
A kind of gear with lubricating end surface structure of the present invention, simple structure is easily manufactured, by the end face in gear
On open up oil groove, in operation process, the lubricating oil in oil groove will be affixed shape between the end face of gear to such gear at two
Into oil film, the formation of oil film can effectively reduce the friction pair formed between two gears frictional resistance operationally, so as to
Improve the friction condition of friction pair, reduce the abrasion of parts, improve the service life of gear.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is A portions enlarged drawing in Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the working state figure of the embodiment of the present invention one；
Fig. 5 is the structural representation of the embodiment of the present invention two；
Fig. 6 is the structural representation of the embodiment of the present invention three；
Fig. 7 is the structural representation of the embodiment of the present invention four.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Structural representation of the invention as shown in Figure 1 to Figure 7 shows the,
Reference therein is：Subtended angle α, gear 1, teeth 11, protruding shaft 2, oil groove 3.
Embodiment one, as shown in Figures 1 to 4,
A kind of gear with lubricating end surface structure of the present invention, includes gear 1, and the periphery of gear 1 is formed with tooth
Tooth 11, gear 1 is provided centrally with protruding shaft 2, is formed with oil groove 3 on the end face of protruding shaft 2, and the two ends of oil groove 3 extend to described
The edge of protruding shaft 2, the string that the oil groove 3 is located in circular end face of oil groove 3.
The present invention is affixed gear using the lubricating oil in oil groove 3 by opening up oil groove 3 on the end face of gear at two
Oil film is formed between end face, the formation of oil film can form oil film between two gears being affixed and support, so as to avoid two
Directly contact between gear；The formation of oil film can effectively reduce the friction pair formed between two gears rubbing operationally
Resistance is wiped, so as to improve the friction condition of friction pair, reduces the abrasion of parts, improve the service life of gear.
The gear of the present invention, its oil groove 3 is opened on end face, reduces the frictional resistance of end face, is overcome existing gear and is passed
The dynamic defect for only considering between cog lubrication.The two ends of oil groove 3 extend to the edge of protruding shaft 2, make oil groove 3 through the oil in circular end face
The string that groove 3 is located, such structure is that lubricating oil enters oil groove 3 there is provided entrance, enables lubricating oil to smoothly enter oil groove 3,
So as to provide favourable condition for the formation for being affixed oil film between end face.
In embodiment, the number of oil groove 3 is two, and two oil grooves 3 are symmetrical arranged.
In embodiment, the center line of oil groove 3 is located on the trisection line of the bottom of the tooth circular diameter of the gear 1.
Oil groove 3 it is symmetrical, be evenly distributed, be more beneficial for the formation of oil film, be also beneficial to be affixed between end face and formed more
Uniform oil film, it is ensured that the effect of lubricating end surface.
In embodiment, the periphery of protruding shaft 2 is fillet structure.
In embodiment, the section of oil groove 3 is in the shape of the letter V structure.
In embodiment, the subtended angle α of V-shaped structure is 120 °.
In embodiment, the depth of oil groove 3 is 1mm to 3mm.
Section is in the shape of the letter V the oil groove 3 of structure, and simple structure is easy to process, and oil groove 3 has oil groove 3 in 120 ° of subtended angle α
There is flatter structure, be also beneficial to the formation of oil film.
Embodiment two, as shown in figure 5, the gear in the present embodiment is similar to the gear structure in embodiment one, institute is different
, in the present embodiment, the u-shaped structure in section of oil groove 3.
Embodiment three, as shown in fig. 6, the gear in the present embodiment is similar to the gear structure in embodiment one, institute is different
, in the present embodiment, the arched structure in section of oil groove 3.
Example IV, as shown in fig. 7, the gear in the present embodiment is similar to the gear structure in embodiment one, institute is different
, in the present embodiment, the trapezoidal structure in section of oil groove 3.
Certainly, the section of oil groove 3 is also possible using other feasible configurations.
Highly preferred embodiment of the present invention is illustrated, and the various change made by those of ordinary skill in the art or remodeling are not
Can depart from the scope of the present invention.
Claims (10)
1. a kind of gear with lubricating end surface structure, includes gear (1), the periphery system of described gear (1)
There are teeth (11), it is characterized in that：Described gear (1) is provided centrally with protruding shaft (2), the end face of described protruding shaft (2)
On be formed with least one oil groove (3), the two ends of described oil groove (3) extend to the edge of the protruding shaft (2), described oil groove
(3) string that the oil groove (3) is located in circular end face.
2. a kind of gear with lubricating end surface structure according to claim 1, is characterized in that：Described oil groove (3)
Number is two, and two oil grooves (3) are symmetrical arranged.
3. a kind of gear with lubricating end surface structure according to claim 2, is characterized in that：Described oil groove (3)
Center line is located on the trisection line of the bottom of the tooth circular diameter of the gear (1).
4. a kind of gear with lubricating end surface structure according to claim 3, is characterized in that：Described protruding shaft (2)
Periphery is fillet structure.
5. a kind of gear with lubricating end surface structure according to claim 4, is characterized in that：Described oil groove (3)
Section is in the shape of the letter V structure.
6. a kind of gear with lubricating end surface structure according to claim 5, is characterized in that：Described V-shaped structure
Subtended angle (α) be 120 °.
7. a kind of gear with lubricating end surface structure according to claim 4, is characterized in that：Described oil groove (3)
The u-shaped structure in section.
8. a kind of gear with lubricating end surface structure according to claim 4, is characterized in that：Described oil groove (3)
The arched structure in section.
9. a kind of gear with lubricating end surface structure according to claim 4, is characterized in that：Described oil groove (3)
The trapezoidal structure in section.
10. a kind of gear with lubricating end surface structure according to claim 1 to 9 any claim, is characterized in that：
The depth of described oil groove (3) is 1mm to 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183032.5A CN106641181A (en) | 2016-12-20 | 2016-12-20 | Gear with end face lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183032.5A CN106641181A (en) | 2016-12-20 | 2016-12-20 | Gear with end face lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641181A true CN106641181A (en) | 2017-05-10 |
Family
ID=58833969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183032.5A Pending CN106641181A (en) | 2016-12-20 | 2016-12-20 | Gear with end face lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215897A (en) * | 2021-11-10 | 2022-03-22 | 浙江环誉泵业科技有限公司 | Wear-resistant lubricating gear end face communicated with backflow groove texture |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144222A (en) * | 2002-10-25 | 2004-05-20 | Nok Corp | Gear |
| CN201747893U (en) * | 2010-06-23 | 2011-02-16 | 常州市第二齿轮厂有限公司 | First speed gear |
| CN201747894U (en) * | 2010-06-23 | 2011-02-16 | 常州市第二齿轮厂有限公司 | Second-speed gear |
| CN204186936U (en) * | 2014-10-31 | 2015-03-04 | 重庆克诺斯齿轮制造有限公司 | Gearbox driving gear anti-out of supply |
| CN204186937U (en) * | 2014-10-31 | 2015-03-04 | 重庆康田齿轮有限公司 | Transmission output shaft shifting gear |
| CN204267659U (en) * | 2014-10-31 | 2015-04-15 | 重庆克诺斯齿轮制造有限公司 | gearbox low gear driven gear |
| CN206320262U (en) * | 2016-12-20 | 2017-07-11 | 赛克思液压科技股份有限公司 | A kind of gear with lubricating end surface structure |
-
2016
- 2016-12-20 CN CN201611183032.5A patent/CN106641181A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144222A (en) * | 2002-10-25 | 2004-05-20 | Nok Corp | Gear |
| CN201747893U (en) * | 2010-06-23 | 2011-02-16 | 常州市第二齿轮厂有限公司 | First speed gear |
| CN201747894U (en) * | 2010-06-23 | 2011-02-16 | 常州市第二齿轮厂有限公司 | Second-speed gear |
| CN204186936U (en) * | 2014-10-31 | 2015-03-04 | 重庆克诺斯齿轮制造有限公司 | Gearbox driving gear anti-out of supply |
| CN204186937U (en) * | 2014-10-31 | 2015-03-04 | 重庆康田齿轮有限公司 | Transmission output shaft shifting gear |
| CN204267659U (en) * | 2014-10-31 | 2015-04-15 | 重庆克诺斯齿轮制造有限公司 | gearbox low gear driven gear |
| CN206320262U (en) * | 2016-12-20 | 2017-07-11 | 赛克思液压科技股份有限公司 | A kind of gear with lubricating end surface structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215897A (en) * | 2021-11-10 | 2022-03-22 | 浙江环誉泵业科技有限公司 | Wear-resistant lubricating gear end face communicated with backflow groove texture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |