CN203948636U - A kind of rotating shaft oil sealing - Google Patents
A kind of rotating shaft oil sealing Download PDFInfo
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- CN203948636U CN203948636U CN201420409691.6U CN201420409691U CN203948636U CN 203948636 U CN203948636 U CN 203948636U CN 201420409691 U CN201420409691 U CN 201420409691U CN 203948636 U CN203948636 U CN 203948636U
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- rotating shaft
- sealing
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- oil sealing
- annular groove
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Abstract
The utility model provides a kind of rotating shaft oil sealing, and it has solved, and the existing oil sealing oil sealing that carries oiling agent is aging makes to be connected between oiling bar and groove closely problem.This rotating shaft oil sealing comprises the body that is provided with annular groove, in annular groove, be provided with spring, body inner side has the annular seal lip of protrusion, between body roof and sealing lip, form a tapered guide surface, the internal diameter of this guide surface reduces gradually along body roof bearing of trend, between annular groove and sealing lip, be provided with ringwise shoe cream room, shoe cream room upwards extends inwardly to guide surface with the cavity roof of the coaxial setting of annular groove and this shoe cream room and forms a taper oil outlet one.It is fully lubricated that this rotating shaft oil sealing has advantages of that contacting between the rotating shaft of making and sealing lip obtains.
Description
Technical field
The utility model relates to a kind of automotive sealant, particularly a kind of rotating shaft oil sealing.
Background technique
At present, oil sealing, need to be to the main lip coating butter of oil sealing before assembling or using, and the main lip of pre-lubrication is beneficial to oil sealing and axle is installed, and prevents dry friction.Existing mode of smearing butter is before assembling, to be coated with butter with hairbrush the main lip of oil sealing is put the oil.There is a problem in this method: apply inhomogeneously with hairbrush, cause assembling position oil on the high side, little assembly just has oil stain once running, often allows people think by mistake to be occur leakage of oil and cause unnecessary changeing.
The problem existing for prior art, people have recognized not enough and have improved, as Chinese patent storehouse discloses a kind of oil sealing [application number 201020175598.5 that carries oiling agent; Notice of authorization number: CN 201651327 U], and comprise that oil sealing main body, oiling bar form, the folding that is " > " on described oil sealing main body outer side wall hooks lower end and is provided with a groove, and its further groove is semi-cylindrical or semiellipse column, and oiling bar embeds wherein.
This oil sealing that carries oiling agent is after long-term use, oil sealing there will be aging, make the flexibility decrease of oil sealing, and oiling bar is to be connected with oil sealing by the mode of clamping, this just causes making to be connected between oiling bar and groove not tight when oil sealing is aging, affects the oil sealing effect of this oil sealing.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of rotating shaft oil sealing that makes contacting between rotating shaft and sealing lip obtain sufficient lubrication.
The purpose of this utility model can realize by following technical proposal: a kind of rotating shaft oil sealing, comprise the body that is provided with annular groove, in above-mentioned annular groove, be provided with spring, above-mentioned body inner side has the annular seal lip of protrusion, it is characterized in that, between above-mentioned body roof and sealing lip, form a tapered guide surface, the internal diameter of this guide surface reduces gradually along body roof bearing of trend, between above-mentioned annular groove and sealing lip, be provided with ringwise shoe cream room, described shoe cream room upwards extends inwardly to guide surface with the cavity roof of the coaxial setting of annular groove and this shoe cream room and forms a taper oil outlet one.
When this oil sealing uses, at sealing lip surface coating butter, then in shoe cream room, inject butter by taper oil outlet one; When rotating shaft is installed, because can being slightly larger than, the external diameter of rotating shaft is greater than body internal diameter, in axle is inserted into oil sealing time, can push body, the butter that is positioned at shoe cream room is squeezed and enters into taper oil outlet, then flow on guide surface, make butter touch and by constantly the stretching into of axle, the contacting point of sealing lip and axle be lubricated with being coupling through the leading role of guide surface, avoid dry friction.
In above-mentioned rotating shaft oil sealing, the quantity of above-mentioned sealing lip is 3 and uniform along body length, between the cross section indentation of above-mentioned sealing lip and adjacent two sealing lips, forms the groove that cross section is V-shape.
Adopt multiple sealing lips to contact with rotating shaft, increase the sealing effect between oil sealing and rotating shaft; Between two adjacent sealing lips, form the groove that is V word, be used for storing the butter flowing down from sealing lip or rotating shaft, make to form one deck butter film between each sealing lip and rotating shaft and realize selflubricating.
In above-mentioned rotating shaft oil sealing, above-mentioned body is positioned at two grooves and inwardly offers respectively the taper oil outlet two be arrangeding in parallel with taper fuel-displaced, and this taper oil outlet two communicates with shoe cream room.
In groove, be provided with taper oil outlet two, in the time that body is squeezed, the butter in shoe cream room can flow out and makes to form one deck butter film between each sealing lip and rotating shaft and realize selflubricating along groove inwall from taper oil outlet two.
In above-mentioned rotating shaft oil sealing, in above-mentioned inner body wall, be also pasted with barrier paper, this barrier paper seals taper oil outlet one and taper oil outlet two.
In the time of carrying or shipping seal part, impurity or dust easily enter in shoe cream room from taper oil outlet one or taper oil outlet two, cause shoe cream room obstruction or internal environment to become badly, in inner body wall, paste barrier paper, can effectively prevent that the impurity such as dust from entering in shoe cream room.
In above-mentioned rotating shaft oil sealing, the position corresponding to each sealing lip in annular groove is provided with spring groove, in each above-mentioned spring groove, is provided with above-mentioned spring.
Respectively be sealed under the effect of corresponding spring and be attached to rotating shaft surface, thereby can between each sealing lip, be formed for storing butter fat and can prevent that butter fat from overflowing from groove.
Compared with prior art, this rotating shaft oil sealing has the following advantages:
1, by shoe cream room and taper oil outlet one and taper oil outlet two are set, contacting fully between rotating shaft and sealing lip lubricated, avoid dry friction;
2, adopt multiple sealing lips to contact with rotating shaft, increase the sealing effect between oil sealing and rotating shaft; Between two adjacent sealing lips, form the groove that is V word, be used for storing the butter flowing down from sealing lip or rotating shaft, make to form one deck butter film between each sealing lip and rotating shaft and realize selflubricating;
3, be respectively sealed under the effect of corresponding spring and be attached to rotating shaft surface, thereby can between each sealing lip, be formed for storing butter fat and can prevent that butter fat from overflowing from groove.
Brief description of the drawings
Sectional structure schematic diagram when Fig. 1 is the assembling of this rotating shaft oil sealing;
Fig. 2 is the sectional structure schematic diagram of this rotating shaft oil sealing while not using.
In figure, 1, body; 1a, annular groove; 1b, sealing lip; 1c, tapered guide surface; 1d, shoe cream room; 1e, taper oil outlet one; 1f, groove; 1h, taper oil outlet two; 2, barrier paper; 3, spring; 4, rotating shaft.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, this rotating shaft 4 oil sealings comprise the compositions such as body 1, barrier paper 2, spring 3.Wherein, on body 1 end face, arrange and be used for placing the annular groove 1a of spring 3, body 1 inner side has outstanding annular seal lip 1b and sealing lip 1b near body 1 top.Between body 1 roof and sealing lip 1b, form a tapered guide surface 1c, the internal diameter of this tapered guide surface 1c reduces gradually along body 1 roof bearing of trend.
Specifically, the cross section indentation of sealing lip 1b, and the quantity of sealing lip 1b has 3 and be uniformly distributed along body 1 length, and oil sealing is sealed with contacting more of rotating shaft 4, further improves the oil sealing effect of oil sealing.
As shown in Figure 1, in body 1, being provided with ringwise shoe cream room 1d and this shoe cream room 1d and annular groove 1a coaxially arranges.Thereby the cavity roof of this shoe cream room 1d upwards extends inwardly to guide surface 1c and forms taper oil outlet one 1e.When this oil sealing uses, in shoe cream room 1d, store butter, in the time that body 1 is squeezed, the butter in shoe cream room 1d can enter in taper oil outlet one 1e and contact with rotating shaft 4 along guide surface 1c.Adopt tilt taper oil outlet one 1e, reduce butter in the time not being squeezed from the internal leakage of taper oil outlet.
Further optimize, between adjacent two sealing lip 1b, form a groove 1f, and this groove 1f is V subtype, be used for storing the butter flowing down from sealing lip 1b or rotating shaft 4, make to form one deck sealing film between each sealing lip 1b and rotating shaft 4 and realize selflubricating.In the present embodiment, body 1 is positioned at two groove 1f places and inwardly offers respectively taper oil outlet two 1h that be arranged in parallel with taper oil outlet one 1e, and this taper oil outlet two 1h communicate with shoe cream room 1d.In the time that shoe cream room 1d is squeezed, butter in shoe cream room 1d can flow out and makes to form one deck butter film between each sealing lip 1b and rotating shaft 4 and realize selflubricating along groove 1f inwall from taper oil outlet two 1h, further strengthens the lubrication effect between rotating shaft 4 and each sealing lip 1b.
As shown in Figure 1, in annular groove 1a, be provided with spring 3 grooves corresponding to the position of each sealing lip 1b, in each spring 3 grooves, be provided with spring 3 is all installed.Respectively be sealed under the effect of corresponding spring 3 and be attached to rotating shaft 4 surfaces, thereby can between each sealing lip 1b, be formed for storing butter fat and can prevent that butter fat from overflowing from groove 1f, further strengthen sealing and the lubrication effect of this oil sealing.
As shown in Figure 2, in the time of this Sealing of carrying, impurity or dust easily enter in shoe cream room 1d from taper oil outlet one 1e or taper oil outlet two 1h, cause shoe cream room 1d obstruction or internal environment to become severe.Therefore on body 1 madial wall, pasting a barrier paper 2 seals taper oil outlet one 1e and taper oil outlet two 1h completely.In the present embodiment, barrier paper 2 can be plastic materials, and in use, barrier paper 2 is torn.
When this oil sealing uses, barrier paper 2 is also torn by elder generation, at sealing lip 1b surface coating butter, then in shoe cream room 1d, injects butter by taper oil outlet one 1e, then oil sealing is installed; Rotating shaft 4 is inserted in oil sealing, because being slightly larger than, the external diameter of rotating shaft 4 is greater than body 1 internal diameter, body 1 is squeezed, and makes the butter in body 1 also flow out sealing lip 1b and rotating shaft 4 contacting points are further lubricated from process taper oil outlet one 1e or taper oil outlet two 1h.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. a rotating shaft oil sealing, comprise the body that is provided with annular groove, in above-mentioned annular groove, be provided with spring, above-mentioned body inner side has the annular seal lip of protrusion, it is characterized in that, between above-mentioned body roof and sealing lip, form a tapered guide surface, the internal diameter of this guide surface reduces gradually along body roof bearing of trend, between above-mentioned annular groove and sealing lip, be provided with ringwise shoe cream room, described shoe cream room upwards extends inwardly to guide surface with the cavity roof of the coaxial setting of annular groove and this shoe cream room and forms a taper oil outlet one.
2. a kind of rotating shaft oil sealing according to claim 1, is characterized in that, the quantity of above-mentioned sealing lip is 3 and uniform along body length, between the cross section indentation of above-mentioned sealing lip and adjacent two sealing lips, forms the groove that cross section is V-shape.
3. a kind of rotating shaft oil sealing according to claim 2, is characterized in that, above-mentioned body is positioned at two grooves and inwardly offers respectively the taper oil outlet two be arrangeding in parallel with taper fuel-displaced, and this taper oil outlet two communicates with shoe cream room.
4. a kind of rotating shaft oil sealing according to claim 3, is characterized in that, is also pasted with barrier paper in above-mentioned inner body wall, and this barrier paper seals taper oil outlet one and taper oil outlet two.
5. according to a kind of rotating shaft oil sealing described in claim 1 or 2 or 3 or 4, it is characterized in that, the position corresponding to each sealing lip in annular groove is provided with spring groove, in each above-mentioned spring groove, is provided with above-mentioned spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409691.6U CN203948636U (en) | 2014-07-23 | 2014-07-23 | A kind of rotating shaft oil sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409691.6U CN203948636U (en) | 2014-07-23 | 2014-07-23 | A kind of rotating shaft oil sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948636U true CN203948636U (en) | 2014-11-19 |
Family
ID=51890673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409691.6U Expired - Fee Related CN203948636U (en) | 2014-07-23 | 2014-07-23 | A kind of rotating shaft oil sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948636U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387765A (en) * | 2017-08-25 | 2017-11-24 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of hydraulic cylinder sealing ring |
| CN109083213A (en) * | 2018-08-24 | 2018-12-25 | 青岛雷沃工程机械有限公司 | A kind of hinged sealing structure of scraper bowl for loading machine |
| CN114377904A (en) * | 2020-10-20 | 2022-04-22 | 名硕电脑(苏州)有限公司 | Oil supply device |
-
2014
- 2014-07-23 CN CN201420409691.6U patent/CN203948636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387765A (en) * | 2017-08-25 | 2017-11-24 | 利辛县宝隆橡塑密封件有限责任公司 | A kind of hydraulic cylinder sealing ring |
| CN109083213A (en) * | 2018-08-24 | 2018-12-25 | 青岛雷沃工程机械有限公司 | A kind of hinged sealing structure of scraper bowl for loading machine |
| CN114377904A (en) * | 2020-10-20 | 2022-04-22 | 名硕电脑(苏州)有限公司 | Oil supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Jiaxing City, Zhejiang province 314408 Haining town of Changan city Defengcun three Group Li Tu South Bridge new angle Patentee after: Zhejiang Auto Parts Co., Ltd. Address before: Changan town of Jiaxing City, Zhejiang province 314408 Haining Defeng new highway bridge south bridge Patentee before: HAINING ZHONGTENG AUTOMOTIVE SEALS CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20190723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |