CN206943434U - A kind of more lip anti-dust seals - Google Patents
A kind of more lip anti-dust seals Download PDFInfo
- Publication number
- CN206943434U CN206943434U CN201720765353.XU CN201720765353U CN206943434U CN 206943434 U CN206943434 U CN 206943434U CN 201720765353 U CN201720765353 U CN 201720765353U CN 206943434 U CN206943434 U CN 206943434U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- rubber body
- lip
- shaped rubber
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 150
- 230000003068 static effect Effects 0.000 claims abstract description 29
- 230000010354 integration Effects 0.000 claims abstract description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 22
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000032750 Device leakage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of more lip anti-dust seals, and it includes ring-shaped rubber body, and the outer shroud week portion of ring-shaped rubber body, which is provided with along the axially extending static sealing ring of ring-shaped rubber body, the periphery of static sealing ring, forms static seal surface；The metallic framework of integration is embedded with ring-shaped rubber body and static sealing ring；The inner circumference portion of ring-shaped rubber body is provided with dynamic sealing component, the dynamic sealing component includes the first sealing lip, the second sealing lip and the 3rd sealing lip being axially arranged in order along ring-shaped rubber body, wherein the free end of the first sealing lip and the 3rd sealing lip extends towards the both sides of ring-shaped rubber body inner ring respectively；The outer shroud week portion of 3rd sealing lip is provided with groove, and spring is embedded with groove；The sidepiece of ring-shaped rubber body is additionally provided with dust excluder lips, and dust excluder lips are in horn-like towards extension above the side of ring-shaped rubber body.The utility model sealing property is splendid, while can improve the dust-proof radiation-proof effect of oil sealing, so as to extend the service life of oil sealing.
Description
Technical field
Oil sealing sealing part technical field is the utility model is related to, particularly a kind of more lip anti-dust seals.
Background technology
The sealing of oil sealing, i.e. lubricating oil.Sealing device is to prevent the binding site of fluid or solid particle from device
Leakage, and the impurity of outside is prevented, such as dust, moisture, greasy dirt, the parts of the inner components of plant equipment is invaded, its
For oil pocket to be isolated from the outside, internal oil sealing is externally dust-proof, is widely used in the crowds such as household electrical appliance, automobile transmitter, chemical industry
In conglomerate.For applied to the oil sealing in the equipment of outdoor, also usually because the corrosion of Ozone in Atmosphere and ultraviolet
The irradiation of line so that the sealing property at the sealing surface position of oil sealing progressively declines, and the service life of oil sealing receives extreme influence.
The content of the invention
The purpose of this utility model is to provide a kind of more lip anti-dust seals, and it can improve the frame strength of oil sealing and close
When sealing effect, while oil sealing can be reduced applied in exposure and outdoor equipment, the bedroom of the impurity such as suffered dust, and
The corrosion of Ozone in Atmosphere and ultraviolet irradiation, so as to extend the service life of oil sealing.
The technical solution of the utility model is：A kind of more lip anti-dust seals, including ring-shaped rubber body, ring-shaped rubber sheet
The outer shroud week portion of body is static close provided with being formed along the periphery of the axially extending static sealing ring of ring-shaped rubber body, static sealing ring
Front cover；
The metallic framework of integration is embedded with ring-shaped rubber body and static sealing ring；
The inner circumference portion of ring-shaped rubber body is provided with dynamic sealing component, and the dynamic sealing component is included along ring-shaped rubber
The first sealing lip, the second sealing lip and the 3rd sealing lip that body is axially arranged in order, wherein the first sealing lip and the 3rd sealing
The free end of lip extends towards the both sides of ring-shaped rubber body inner ring respectively；The outer shroud week portion of 3rd sealing lip is provided with groove, groove
Inside it is embedded with spring；
The sidepiece of ring-shaped rubber body is additionally provided with dust excluder lips, and dust excluder lips are prolonged in the horn-like side top towards ring-shaped rubber body
Stretch.
Preferably, the free end of second sealing lip and the free end bearing of trend of the first sealing lip are identical.
Preferably, the annular diameters of first sealing lip are less than the annular diameters of the second sealing lip, more than the 3rd sealing
The annular diameters of lip.
Preferably, the dynamic sealing surface axial direction that the first sealing lip, the second sealing lip and the 3rd sealing lip free end are formed
Length is 7.5mm, and the annular diameters of the first sealing lip are 41.6mm, and the annular diameters of the second sealing lip are 41.8mm, and the 3rd is close
The annular diameters for sealing lip are 40.6mm.During applied to different occasions, the size of actual product can be adjusted according to ratio.
Preferably, the ring-shaped rubber body and the integrated shaping of static sealing ring, one end one of static sealing ring
Change the outer shroud week portion for connecting annular rubber body.
Preferably, the metallic framework axial cross section in the ring-shaped rubber body and static sealing ring is L-shaped.
Preferably, the metallic framework is made of carbon steel material, can increase the rigidity of sealing device, makes oil sealing not variable
Shape, increase the service life.
Beneficial effect
Compared with prior art, the utility model has advantages below and progress：
The utility model is in use, the free end end of the first sealing lip, the second sealing lip and the 3rd sealing lip is formed
Dynamic sealing surface, the design of more lips improve sealing property；The spring of 3rd sealing lip peripheral part can provide oil sealing lip one
Fixed binding force, so as to extend the oil sealing life-span；The extension of static sealing ring in the axial direction improves the sealing of static sealing, together
When the effect of blocking can be played to dynamic sealing component to a certain extent；The design of dust excluder lips causes dynamic sealing component to keep away
Exempt from the direct irradiation of ultraviolet, reduce the erosion of Ozone in Atmosphere, the entrance of extraneous dust impurity is reduced, so as to extend oil sealing
Service life.Oil sealing of the present utility model is particularly suitable for use on the special reductor of the poor solar energy of application environment.
Brief description of the drawings
Fig. 1 show a kind of specific embodiment cross-sectional view of the utility model；
Fig. 2 show partial cutaway schematic in Fig. 1.
Embodiment
Further described below in conjunction with the drawings and specific embodiments.
With reference to figure 1, more lip anti-dust seals of the present utility model, including ring-shaped rubber body 1, ring-shaped rubber body 1
Portion was provided with along the axially extending static sealing ring 2 of ring-shaped rubber body, the periphery of static sealing ring 2 and formed static sealing outer shroud week
Face；
The metallic framework 3 of integration is embedded with ring-shaped rubber body 1 and static sealing ring 2；
The inner circumference portion of ring-shaped rubber body 1 is provided with dynamic sealing component, and the dynamic sealing component is included along annular rubber
The first sealing lip 4, the second sealing lip 5 and the 3rd sealing lip 6 that glue body is axially arranged in order, wherein the first sealing lip 4 and
The free end of three sealing lips 6 extends towards the both sides of ring-shaped rubber body inner ring respectively；The outer shroud week portion of 3rd sealing lip 6 is provided with recessed
Groove, spring 7 is embedded with groove；
The sidepiece of ring-shaped rubber body 1 is additionally provided with dust excluder lips 8, and dust excluder lips 8 are in horn-like towards on the side of ring-shaped rubber body 1
Fang Yanshen.
Embodiment
The utility model oil sealing is particularly suitable for use on the special reductor of the poor solar energy of application environment, and dust excluder lips are set
Meter causes dynamic sealing component to avoid the direct irradiation of ultraviolet, reduces the erosion of Ozone in Atmosphere, reduces extraneous grey trifle in the world
The entrance of matter, so as to extend the service life of oil sealing.Dynamic sealing is completely covered in the axial direction of ring-shaped rubber body in dust excluder lips
Component, and still have covering surplus, so that dust-proof effect is more preferable.
Ring-shaped rubber body, the first sealing lip, the second sealing lip, the 3rd sealing lip and lateral lip all use fluorubber, have
Preferably elasticity and sealing property.Metallic framework is made of carbon steel material, can be increased the rigidity of sealing device, is not easy oil sealing
Deformation, increases the service life.
Ring-shaped rubber body 1 and the 2 integrated shaping of static sealing ring, one end integration connection ring of static sealing ring 2
The outer shroud week portion of shape rubber body 1.Metallic framework axial cross section in ring-shaped rubber body and static sealing ring is L-shaped.
As Fig. 1, the free end of the second sealing lip 5 are identical with the free end bearing of trend of the first sealing lip 4.
The annular diameters of first sealing lip 4 are less than the annular diameters of the second sealing lip 5, more than the inner ring of the 3rd sealing lip 6
Diameter.
The dynamic sealing surface axle formed such as Fig. 2, the first sealing lip 4, the second sealing lip 5 and the free end of the 3rd sealing lip 6
It is 7.5mm to length, the annular diameters of the first sealing lip are 41.6mm, and the annular diameters of the second sealing lip are 41.8mm, the 3rd
The annular diameters of sealing lip are 40.6mm.During applied to different occasions, the size of actual product can be adjusted according to ratio.
The utility model is in use, the free end end of the first sealing lip, the second sealing lip and the 3rd sealing lip is formed
Dynamic sealing surface, the design of more lips improve sealing property；The spring of 3rd sealing lip peripheral part can provide oil sealing lip one
Fixed binding force, so as to extend the oil sealing life-span；The extension of static sealing ring in the axial direction improves the sealing of static sealing, together
When the effect of blocking can be played to dynamic sealing component to a certain extent；The design of dust excluder lips causes dynamic sealing component to keep away
Exempt from the direct irradiation of ultraviolet, reduce the erosion of Ozone in Atmosphere, the entrance of extraneous dust impurity is reduced, so as to extend oil sealing
Service life.Oil sealing of the present utility model is particularly suitable for use on the special reductor of the poor solar energy of application environment.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of more lip anti-dust seals, it is characterized in that, including ring-shaped rubber body, the outer shroud week portion of ring-shaped rubber body be provided with
The static sealing ring axially extending along ring-shaped rubber body, the periphery of static sealing ring form static seal surface；
The metallic framework of integration is embedded with ring-shaped rubber body and static sealing ring；
The inner circumference portion of ring-shaped rubber body is provided with dynamic sealing component, and the dynamic sealing component is included along ring-shaped rubber body
The first sealing lip, the second sealing lip and the 3rd sealing lip being axially arranged in order, wherein the first sealing lip and the 3rd sealing lip
Free end extends towards the both sides of ring-shaped rubber body inner ring respectively；The outer shroud week portion of 3rd sealing lip is provided with groove, and groove embeds
Provided with spring；
The sidepiece of ring-shaped rubber body is additionally provided with dust excluder lips, and dust excluder lips are in horn-like towards extension above the side of ring-shaped rubber body.
2. more lip anti-dust seals according to claim 1, it is characterized in that, the free end and first of second sealing lip
The free end bearing of trend of sealing lip is identical.
3. more lip anti-dust seals according to claim 1, it is characterized in that, the annular diameters of first sealing lip are less than
The annular diameters of second sealing lip, more than the interior diameter of the 3rd sealing lip.
4. more lip anti-dust seals according to claim 3, it is characterized in that, the first sealing lip, the second sealing lip and the 3rd
The dynamic sealing surface axial length that sealing lip free end is formed is 7.5mm, and the annular diameters of the first sealing lip are 41.6mm, the
The annular diameters of two sealing lips are 41.8mm, and the annular diameters of the 3rd sealing lip are 40.6mm.
5. more lip anti-dust seals according to claim 1, it is characterized in that, the ring-shaped rubber body and static sealing ring
Integrated shaping, one end integration of static sealing ring connect the outer shroud week portion of annular rubber body.
6. more lip anti-dust seals according to claim 5, it is characterized in that, the ring-shaped rubber body and static sealing ring
Interior metallic framework axial cross section is L-shaped.
7. more lip anti-dust seals according to claim 1, it is characterized in that, the metallic framework uses carbon steel material system
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765353.XU CN206943434U (en) | 2017-06-28 | 2017-06-28 | A kind of more lip anti-dust seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765353.XU CN206943434U (en) | 2017-06-28 | 2017-06-28 | A kind of more lip anti-dust seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943434U true CN206943434U (en) | 2018-01-30 |
Family
ID=61367361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720765353.XU Expired - Fee Related CN206943434U (en) | 2017-06-28 | 2017-06-28 | A kind of more lip anti-dust seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206943434U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202168A (en) * | 2017-06-28 | 2017-09-26 | 昆山健博密封件科技有限公司 | A kind of many lip anti-dust seals |
| CN111133237A (en) * | 2018-02-27 | 2020-05-08 | Nok株式会社 | Sealing structure |
| CN112682510A (en) * | 2021-01-28 | 2021-04-20 | 力博工业技术研究院(山东)有限公司 | Split sealing device and method |
| CN114483960A (en) * | 2020-10-23 | 2022-05-13 | 浙江益而益智能科技有限公司 | Seals, seal assemblies and equipment with rotating shafts |
-
2017
- 2017-06-28 CN CN201720765353.XU patent/CN206943434U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202168A (en) * | 2017-06-28 | 2017-09-26 | 昆山健博密封件科技有限公司 | A kind of many lip anti-dust seals |
| CN111133237A (en) * | 2018-02-27 | 2020-05-08 | Nok株式会社 | Sealing structure |
| CN111133237B (en) * | 2018-02-27 | 2022-03-22 | Nok株式会社 | Sealing structure |
| CN114483960A (en) * | 2020-10-23 | 2022-05-13 | 浙江益而益智能科技有限公司 | Seals, seal assemblies and equipment with rotating shafts |
| CN112682510A (en) * | 2021-01-28 | 2021-04-20 | 力博工业技术研究院(山东)有限公司 | Split sealing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206943434U (en) | A kind of more lip anti-dust seals | |
| CN107202168A (en) | A kind of many lip anti-dust seals | |
| CN105526365B (en) | Rotary seal structure | |
| CN107100998A (en) | A kind of outside framework oil seal combination | |
| CN206988426U (en) | A kind of multiple lip seal sealing device | |
| CN208268410U (en) | A kind of dust-proof outside framework oil seal | |
| CN206943433U (en) | A kind of outside framework oil seal combination | |
| CN205371641U (en) | Rotary seal structure | |
| CN204284456U (en) | A kind of non-maintaining pressure roller | |
| CN103032473A (en) | Combined sealing ring with high sealability and low torque | |
| CN207363764U (en) | A kind of sealing ring of turbocharger | |
| CN207393950U (en) | A kind of combined anti-dust seal device | |
| CN205479355U (en) | Sink roll mechanical seal's screw rod device | |
| CN202140575U (en) | Assembly type oil seal | |
| CN207213162U (en) | A kind of outside framework oil seal | |
| CN208268406U (en) | A kind of list lip outside framework oil seal | |
| CN203670458U (en) | Bearing | |
| CN206904055U (en) | A kind of bent axle special bearing | |
| CN208397543U (en) | A kind of rapid-maintenance pipeline leakage device | |
| CN107191700A (en) | Oil connection | |
| CN203374482U (en) | Framework sealing assembly | |
| CN216922884U (en) | Inner diameter three-lip adhesive dust cover and outer diameter three-lip adhesive dust cover composite structure | |
| CN205877481U (en) | A anti -oxidant protective sheath for aluminium contact | |
| CN208185468U (en) | A kind of four lip combination seals | |
| CN207212952U (en) | Self-aligning bearing sealing device with lubricating oil guiding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |