CN204852263U - Transmission shaft seal structure - Google Patents
Transmission shaft seal structure Download PDFInfo
- Publication number
- CN204852263U CN204852263U CN201520431044.XU CN201520431044U CN204852263U CN 204852263 U CN204852263 U CN 204852263U CN 201520431044 U CN201520431044 U CN 201520431044U CN 204852263 U CN204852263 U CN 204852263U
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- CN
- China
- Prior art keywords
- transmission shaft
- lip
- small gear
- type packing
- lubricating oil
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- 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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 28
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 description 28
- 239000000463 material Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model relates to a seal structure especially relates to a transmission shaft seal structure, and it comprises gear wheel, pinion, oil scraper ring, sealed support, lip seal circle and transmission shaft, th, process out the helicitic texture on transmission shaft suitable position, the lubricating oil that rotation through the transmission shaft drove siltation in the epaxial screw position of transmission is to the internal motion, make the lubricating oil that spills over get back to again in the mobile track of subscription, use lubricating oil and lip seal to enclose the mode that combines together, sealing between messenger's transmission shaft and the pinion is more reliable, simultaneously can prevent that lubricating oil from oozing, avoid the waste of lubricating oil, still possesses simultaneously simple structure, advantages such as clean health.
Description
Technical field
The utility model relates to a kind of sealing configuration, particularly relates to a kind of drive shaft sealing structure.
Background technique
Tuber grinder is the one of flour mill, is also fine grinding equipment very important in the modern industry.The cylinders of two ends with support device, in-built grinding body or title abrasive media; Cylinder turns round around the central axis of level, and abrasive media frictionally lands again after being brought to certain height, and material continually by cylinder, thus is subject to abrasive media and constantly impacts, extruding and grinding, and final powder is worn into as acceptable product; Tuber grinder is widely used in building materials, metallurgy, ore dressing, electric power and chemical industry pulverizing cement and other material; Have crushing ratio large, throughput is large, and to material strong adaptability, wear-out part such as easily to change at the feature.
Current tuber grinder mainly takes Edge-Transmission and center driving two kinds of type of belt drive.Type of belt drive is the tuber grinder of Edge-Transmission, gear pair transmission sized by its transmission device, and in this kind of drive, transmission shaft is general larger to the demand of lubricant oil; Therefore, cause waste to reduce oozing out of lubricant oil, relatively high to the seal request of transmission shaft; Traditional drive shaft seal is only only have lip-type packing, it is considered that the lubricants capacity thrown away from gear pair is few, twice lip seal is just enough.But practical situations is really not so, transmission shaft place seal ring often has lubricant oil to ooze out, and not only wastes lubricating oil product, and the outward appearance of the equipment of giving and the maintenance of on-the-spot environmental hygiene bring very large puzzlement.
Model utility content
Provide for above situation the utility model that a kind of structure is simple, sealing is reliable, can prevent lubricant oil from oozing out, avoiding the waste of lubricant oil, the drive shaft sealing structure of clean hygiene.
For solving the problems of the technologies described above, the utility model realizes as follows: design a kind of drive shaft sealing structure, and it is made up of gearwheel, small gear, flinger ring, sealed support, lip-type packing and transmission shaft; Small gear and gearwheel are formed and are connected with a joggle; Small gear drives bull gear drive; Small gear is the toroidal of inner hollow; Be threaded the hollow portion of transmission shaft through small gear of structure in both sides, and the two formation is fixedly connected with; From right side to the left, turning to as counterclockwise of transmission shaft, on the left of transmission shaft, hand of spiral is left-handed thread, and lubricant oil can be made to the right to advance; On the right side of transmission shaft, hand of spiral is right-handed thread, lubricant oil can be made left to advance, and then reach desirable sealing purpose; Annular flinger ring is set with in the left and right sides of pinion drive shaft; Ring packing support is provided with in the worm structure tail end of transmission shaft both sides; Sealed support is provided with annular lip-type packing, lip-type packing and transmission shaft are formed and are tightly connected, when in drive axis process, worm structure on it rotates thereupon, gap is not being formed in the same time bottom the different parts of sealed support and the thread form of worm structure, and fall into completely in the pitch of worm structure in certain part, now the age of a draught animal of screw thread is connected with lip-type packing internal pore; According to spiral principle of dynamics, the lubricant oil flowing to lip-type packing place is entered to small gear thruster, reduce the pressure of lip-type packing sealing lubricating oil, and the lubricant oil flowing to lip-type packing place can be continued to dirty, until outlet pipe grinding machine.
Further, described lip-type packing has innner and outer two-layer, and two superimposed is arranged, and plays the effect of double seal.
Further, described transmission shaft both sides screw thread is trapezoidal thread.
Further, the pitch of described transmission shaft both sides screw thread is greater than the thickness of sealed support.
Good effect of the present utility model: in technical solutions of the utility model, transmission shaft suitable position processes worm structure, driven the lubricant oil deposited in the screw thread position on transmission shaft inwardly to move by the rotation of transmission shaft, the lubricant oil of spilling is made to come back in the flow track of reservation, use the mode that lubricant oil combines with lip-type packing, make the sealing between transmission shaft and small gear more reliable, can prevent lubricant oil from oozing out simultaneously, avoid the waste of lubricant oil, also possess the advantages such as structure is simple, clean hygiene simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, not paying under the laborious prerequisite of creation, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment
Fig. 2 is the partial enlargement structural representation of left side sealed support and lip-type packing in the utility model embodiment
Fig. 3 is the partial enlargement structural representation of right side sealed support and lip-type packing in the utility model embodiment
In figure, 1 gearwheel 2 small gear 3 flinger ring
4 sealed support 5 lip-type packing 6 transmission shafts
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
As Figure 1-3, drive shaft sealing structure described in the utility model, it is made up of gearwheel 1, small gear 2, flinger ring 3, sealed support 4, lip-type packing 5 and transmission shaft 6; Small gear 2 and gearwheel 1 are formed and are connected with a joggle; Small gear 2 drives gearwheel 1 to rotate; Small gear 2 is the toroidal of inner hollow; Be threaded the hollow portion of transmission shaft 6 through small gear 2 of structure in both sides, and the two formation is fixedly connected with; From right side to the left, turning to as counterclockwise of transmission shaft 6, on the left of transmission shaft 6, hand of spiral is left-handed thread; On the right side of transmission shaft 6, hand of spiral is right-handed thread; Annular flinger ring 3 is set with in the left and right sides of small gear 2 transmission shaft 6; Ring packing support 4 is provided with in the worm structure tail end of transmission shaft 6 both sides; Sealed support 4 is provided with annular lip-type packing 5, lip-type packing 5 and transmission shaft 6 are formed and are tightly connected.
Further, described lip-type packing 5 has innner and outer two-layer, and two superimposed is arranged, and plays the effect of double seal.
Further, described transmission shaft 6 both sides screw thread is trapezoidal thread.
Further, the pitch of described transmission shaft 6 both sides screw thread is greater than the thickness of sealed support 4.
During tuber grinder work, need to add lubricant oil on gearwheel 1, increase the lubricity between gearwheel 1 and small gear 2, reduce frictional loss; When the lubricant oil added is too much, lubricant oil flows along the opening of flinger ring 3 to small gear 2 direction, when flowing through small gear 2, can be lip-type packing 5 and lubricates with transmission shaft 6, the friction of both reductions, but meanwhile, there is parts of lubricating oil to flow in lip-type packing 5 or along lip-type packing 5 outwardly, at this moment, lubricant oil enters to small gear 2 thruster under the drive of screw thread rotation, lubricant oil is continued to dirty, until flow out the flinger ring 3 of below, outlet pipe grinding machine along flow track.
Transmission shaft 6 suitable position processes worm structure, and its thread rotary orientation is determined by the direction turning to and seal of transmission shaft 6, in this sealing configuration transmission shaft 6 turn to for: see it is counterclockwise to the left from right side.So worm structure is left-handed thread on the left of transmission shaft 6, lubricant oil can be made to the right to advance; On the right side of transmission shaft 6, worm structure is right-handed thread, and lubricant oil can be made left to advance.
The sealing theory of sealing configuration described in the utility model is " to dredge, being auxiliary to block up ".Utilize spiral principle of dynamics, the lubricant oil overflowing to lip-type packing 5 place is entered to small gear 2 thruster, reduce or eliminate the pressure of lip-type packing 5 sealing lubricating oil.When in transmission shaft 6 rotation process, worm structure on it rotates thereupon, gap is not being formed in the same time bottom the different parts of sealed support 4 and the thread form of worm structure, and fall into completely in the pitch of worm structure in certain part, now the age of a draught animal of screw thread is connected with lip-type packing 5 internal pore; According to spiral principle of dynamics, the lubricant oil flowing to lip-type packing 5 place is entered to small gear 2 thruster, reduce the pressure of lip-type packing 5 sealing lubricating oil, and the lubricant oil flowing to lip-type packing 5 place can be continued to dirty, until outlet pipe grinding machine.
Screw thread on transmission shaft 6 can not only produce the thrust that lubricant oil is entered to small gear 2 thruster, can also store a part of lubricant oil simultaneously, the lubricant oil overflowing to lip-type packing 5 place is reduced, alleviates the pressure of lip-type packing 5 sealing lubricating oil further.
Claims (4)
1. a drive shaft sealing structure, is characterized in that: it is made up of gearwheel (1), small gear (2), flinger ring (3), sealed support (4), lip-type packing (5) and transmission shaft (6); Small gear (2) and gearwheel (1) are formed and are connected with a joggle; Small gear (2) drives gearwheel (1) to rotate; The toroidal that small gear (2) is inner hollow; Be threaded the hollow portion of transmission shaft (6) through small gear (2) of structure in both sides, and the two formation is fixedly connected with; From right side to the left, turning to as counterclockwise of transmission shaft (6), on the left of transmission shaft (6), hand of spiral is left-handed thread; Transmission shaft (6) right side hand of spiral is right-handed thread; Annular flinger ring (3) is set with in the left and right sides of small gear (2) transmission shaft (6); Ring packing support (4) is provided with in the worm structure tail end of transmission shaft (6) both sides; Sealed support (4) is provided with annular lip-type packing (5), lip-type packing (5) and transmission shaft (6) are formed and are tightly connected.
2. drive shaft sealing structure as claimed in claim 1, is characterized in that: described lip-type packing (5) has innner and outer two-layer, and two superimposed is arranged, and plays the effect of double seal.
3. drive shaft sealing structure as claimed in claim 1, is characterized in that: described transmission shaft (6) both sides screw thread is trapezoidal thread.
4. drive shaft sealing structure as claimed in claim 1, is characterized in that: the pitch of described transmission shaft (6) both sides screw thread is greater than the thickness of sealed support (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431044.XU CN204852263U (en) | 2015-06-19 | 2015-06-19 | Transmission shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431044.XU CN204852263U (en) | 2015-06-19 | 2015-06-19 | Transmission shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852263U true CN204852263U (en) | 2015-12-09 |
Family
ID=54742810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431044.XU Active CN204852263U (en) | 2015-06-19 | 2015-06-19 | Transmission shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321785A (en) * | 2015-06-19 | 2017-01-11 | 南京凯盛国际工程有限公司 | Transmission shaft seal structure |
-
2015
- 2015-06-19 CN CN201520431044.XU patent/CN204852263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321785A (en) * | 2015-06-19 | 2017-01-11 | 南京凯盛国际工程有限公司 | Transmission shaft seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |