CN206943434U - A kind of more lip anti-dust seals - Google Patents

A kind of more lip anti-dust seals Download PDF

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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
Application number
CN201720765353.XU
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Chinese (zh)
Inventor
诸立亚
袁丽芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN KENBO SEAL TECHNOLOGY Co Ltd
Original Assignee
KUNSHAN KENBO SEAL TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN KENBO SEAL TECHNOLOGY Co Ltd filed Critical KUNSHAN KENBO SEAL TECHNOLOGY Co Ltd
Priority to CN201720765353.XU priority Critical patent/CN206943434U/en
Application granted granted Critical
Publication of CN206943434U publication Critical patent/CN206943434U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of more lip anti-dust seals
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.
CN201720765353.XU 2017-06-28 2017-06-28 A kind of more lip anti-dust seals Expired - Fee Related CN206943434U (en)

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 (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180130