CN208816681U - A kind of main lip bed course of oil sealing - Google Patents
A kind of main lip bed course of oil sealing Download PDFInfo
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- CN208816681U CN208816681U CN201821526287.1U CN201821526287U CN208816681U CN 208816681 U CN208816681 U CN 208816681U CN 201821526287 U CN201821526287 U CN 201821526287U CN 208816681 U CN208816681 U CN 208816681U
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- main lip
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Abstract
The utility model discloses a kind of main lip bed courses of oil sealing, it is related to oil seal technique field, specially a kind of main lip bed course of oil sealing, including oil seal seat, the side of the oil seal seat is provided with clamping seat, and the side that the lower surface of the oil seal seat is located at clamping seat is provided with oil sealing, the oil sealing includes oil sealing shell, the side of the oil sealing shell offers frictional groove, and the side of the oil sealing shell is fixedly connected with outside dustproof lip, and the oil sealing shell is fixedly connected with inside dustproof lip close to the side of dustproof lip.The main lip bed course of the oil sealing, pass through being equipped with for outside dustproof lip and inside dustproof lip, the main lip bed course of oil sealing is set to have multilayer proofing structure, in use, barrier prevention effectively can be carried out to dust, by setting PTFE new material for the material of the main lip of the oil sealing of oil sealing, the main lip bed course of the oil sealing be made to have wear-resisting ageing-resistant performance, harsh environments locating for oil sealing greatly have been adapted to, have extended the service life of the main lip bed course of the oil sealing.
Description
Technical field
The utility model relates to oil seal technique field, specially a kind of main lip bed course of oil sealing.
Background technique
Oil sealing be for oil sealing (oil is the most common liquid substance in transmission system, also refer to general liquid substance it
Meaning) mechanical organ, the component for needing to lubricate in transmission parts is isolated with component of contributing for it, be unlikely to allow oil seepage,
With sealing element sealing element, the representative form of oil sealing is TC oil sealing for static seal and dynamic sealing (general to move back and forth), this is one kind
The two-lip seal with self-tightening spring that rubber coats completely, oil sealing generally often refer to that this TC outside framework oil seal, oil sealing are commonly used
Material has: nitrile rubber, fluorubber, silicon rubber, acrylic rubber, polyurethane and polytetrafluoroethylene (PTFE) etc. select the material of oil sealing
When material, it is necessary to consider compatibility of the material to working media, the adaptability to operating temperature range and antelabium to rotary shaft high speed
Follow-up capability when rotation, the temperature of its antelabium is higher than 20-50 DEG C of working media temperature when general oil sealing works, in selection oil sealing
It should be noted that there is lubricating oil in all operating body casees and the position connect that is communicated with the outside requires oil sealing, have when material
It is rubber a bit, some are metals, and majority is reinforcing bar rubber, such as crankshaft rear oil seal, gearbox front and rear oil seals, left and right semiaxis
Oil sealing, main reducing gear Front oil seal, air compressor crank oil sealing are brought since permeability is serious in equipment running process to safety in production
Numerous drawbacks, most common method are to shut down dismounting and change gasket and processing joint surface when needing long between oil sealing, are being set
Want to realize effective administer in received shipment row, it appears extremely difficult, especially often dust is larger at joint surface, frictional force compared with
Greatly, butadiene acrylonitrile rubber wearability in previous oil sealing material, it is ageing-resistant be not achieved, fluorine glue price is high, and market less receives, these materials
It reduces the service life of oil sealing and then keeps equipment oil leakage situation serious, it is therefore desirable to which a kind of new material replaces these materials
Material, to solve the above problems, one kind disclosed in Chinese utility model patent ublic specification of application CN202971928U is anti-
Although dirt oil sealing, the anti-dust seal are greatly improved the reliability of oil sealing at outrigger shaft, reduce and pollute caused by oil leak, reduce because
Shut down replacement oil sealing, caused by time, artificial and material resources waste, still, which has that structure is complicated, oil sealing is resistance to
Grind that performance is not high and the higher disadvantage of price.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of main lip bed course of oil sealing, solves above-mentioned background skill
The problem of being proposed in art.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of main lip bed course of oil sealing, packet
Oil seal seat is included, the side of the oil seal seat is provided with clamping seat, and the lower surface of the oil seal seat is located at the side setting of clamping seat
There is oil sealing, the oil sealing includes oil sealing shell, and the side of the oil sealing shell offers frictional groove, the side of the oil sealing shell
It is fixedly connected with outside dustproof lip, the oil sealing shell is fixedly connected with inside dustproof lip, the oil close to the side of dustproof lip
The inside of capsule body is fixedly connected with metallic framework, and the inner wall of the oil sealing shell opens up fluted, and the inside of the groove is solid
Surely it is connected with spring, the side of the oil sealing shell is fixedly connected with the main lip of oil sealing, and the oil sealing shell is socketed in the outer of shaft
Surface is provided with sealing medium layer between the oil seal seat and shaft.
Optionally, the material of the metallic framework is converted steel, and the shape of the metallic framework is angle bar shape.
Optionally, the material of the sealing medium layer is grease.
Optionally, the material of the main lip of the oil sealing is novel PTFE material.
Optionally, the material of the oil sealing shell is silicon rubber.
Optionally, the quantity of the frictional groove is several, several described frictional grooves are opened up in the form of annular array
In the outer surface of oil sealing.
(3) beneficial effect
The utility model provides a kind of main lip bed course of oil sealing, have it is following the utility model has the advantages that
The main lip bed course of the oil sealing makes the main lip bed course tool of oil sealing by being equipped with for outside dustproof lip and inside dustproof lip
Standby multilayer proofing structure effectively can carry out barrier prevention to dust in use, by by the main lip of the oil sealing of oil sealing
Material be set as PTFE new material, so that the main lip bed course of the oil sealing is had wear-resisting ageing-resistant performance, and cheap, it is greatly suitable
Harsh environments locating for oil sealing have been answered, the service life of the main lip bed course of the oil sealing is extended.
Detailed description of the invention
Fig. 1 is the utility model section structural schematic diagram；
Fig. 2 is the utility model oil enveloping structure schematic diagram；
Fig. 3 is the utility model oil sealing the schematic diagram of the section structure.
In figure: 1- oil seal seat, 2- clamping seat, 3- oil sealing, 301- oil sealing shell, 302- frictional groove, dustproof lip on the outside of 303-,
Dustproof lip, 305- metallic framework, 306- groove, 307- spring, the main lip of 308- oil sealing, 4- shaft, 5- sealing medium on the inside of 304-
Layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of main lip bed course of oil sealing, including oil seal seat
1, the side of oil seal seat 1 is provided with clamping seat 2, and the side that the lower surface of oil seal seat 1 is located at clamping seat 2 is provided with oil sealing 3, oil sealing
3 include oil sealing shell 301, and the material of oil sealing shell 301 is silicon rubber, and the side of oil sealing shell 301 offers frictional groove 302,
The quantity of frictional groove 302 is several, several frictional grooves 302 are provided with the outer surface oil of oil sealing 3 in the form of annular array
The side of capsule body 301 is fixedly connected with outside dustproof lip 303, and oil sealing shell 301 is fixedly connected close to the side of dustproof lip 303
There is inside dustproof lip 304 to have the main lip bed course of oil sealing by being equipped with for outside dustproof lip 303 and inside dustproof lip 304
Multilayer proofing structure effectively can carry out barrier prevention to dust, the inside of oil sealing shell 301 is fixed in use
It is connected with metallic framework 305, the material of metallic framework 305 is converted steel, and the shape of metallic framework 305 is angle bar shape, oil seal housing
The inner wall of body 301 opens up fluted 306, and the inside of groove 306 is fixedly connected with spring 307, and the side of oil sealing shell 301 is fixed
It is connected with the main lip 308 of oil sealing, the material of the main lip 308 of oil sealing is novel PTFE material, by by the main lip 308 of the oil sealing of oil sealing 3
Material is set as PTFE new material, and TPEE (thermoplastic polyester elastomer) is the block copolymerization containing polyester hard section and polyester soft segment
Object, wherein polyester soft segment and uncrystallized polyester form amorphous phase polyester hard section partially crystallizable and form crystalline domains, play physics
The effect of crosslinking points, TPEE have the elasticity of rubber and the intensity of engineering plastics；Soft segment assigns its elasticity, makes it as rubber；Firmly
Section assigns its processing performance, makes it as plastics；With rubber phase ratio, it has better processing performance and longer service life；
Compared with engineering material, equally have the characteristics that intensity is high, and flexibility and dynamic mechanical are more preferable, make the main lip bed course of the oil sealing
Have wear-resisting ageing-resistant performance, and cheap, greatly adapted to harsh environments locating for oil sealing 3, extends the oil
The service life of main lip bed course is sealed, oil sealing shell 1 is socketed in the outer surface of shaft 4, is provided between oil seal seat 1 and shaft 4 close
Dielectric layer 5 is sealed, the material of sealing medium layer 5 is grease.
A kind of optimal technical scheme as the utility model: the material of outside dustproof lip 303 and inside dustproof lip 304 is
Silicon rubber improves the dirt exclusion capabilities of the main lip bed course of the oil sealing to a certain extent, when the main lip bed course of the oil sealing is in the mistake of work
Cheng Zhong, the dust and dirt that fly upward touch the outer surface of outer guard lip 303 first, since there is rubber certain absorption to make
With, when dust and dirt be unlikely to continue to spreading inside shaft 4, while inside dustproof lip plays dust-tight and anti-well again
The function of oil leak, entire design structure is simple, powerful, greatly improve in the main lip bed course course of work of the oil sealing can
By property, the service life of the main lip bed course of the oil sealing is extended.
In conclusion the main lip bed course of the oil sealing, in use, passing through the cooperation of outside dustproof lip 303 and inside dustproof lip 304
Setting, makes the main lip bed course of oil sealing have multilayer proofing structure, in use, effectively can obstruct to dust pre-
It is anti-, by setting PTFE new material for the material of the main lip 308 of the oil sealing of oil sealing 3, have the main lip bed course of the oil sealing wear-resisting resistance to
Ageing properties, and it is cheap, harsh environments locating for oil sealing 3 have greatly been adapted to, the main lip bed course of the oil sealing is extended
Service life.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can be directly connected, can also can be inside two elements indirectly connected through an intermediary
The interaction relationship of connection or two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of main lip bed course of oil sealing, including oil seal seat (1), it is characterised in that: the side of the oil seal seat (1) is provided with clamping
Seat (2), the side that the lower surface of the oil seal seat (1) is located at clamping seat (2) are provided with oil sealing (3), and the oil sealing (3) includes oil
The side of capsule body (301), the oil sealing shell (301) offers frictional groove (302), the side of the oil sealing shell (301)
It is fixedly connected with outside dustproof lip (303), the oil sealing shell (301) is fixedly connected with interior close to the side of dustproof lip (303)
The inside of side dustproof lip (304), the oil sealing shell (301) is fixedly connected with metallic framework (305), the oil sealing shell
(301) inner wall opens up fluted (306), and the inside of the groove (306) is fixedly connected with spring (307), the oil seal housing
The side of body (301) is fixedly connected with the main lip of oil sealing (308), and the oil sealing shell (301) is socketed in the outer surface of shaft (4),
Sealing medium layer (5) are provided between the oil seal seat (1) and shaft (4).
2. the main lip bed course of a kind of oil sealing according to claim 1, it is characterised in that: the material of the metallic framework (305)
For converted steel, the shape of the metallic framework (305) is angle bar shape.
3. the main lip bed course of a kind of oil sealing according to claim 1, it is characterised in that: the material of the sealing medium layer (5)
For grease.
4. the main lip bed course of a kind of oil sealing according to claim 1, it is characterised in that: the material of the main lip of oil sealing (308)
For novel PTFE material.
5. the main lip bed course of a kind of oil sealing according to claim 1, it is characterised in that: the material of the oil sealing shell (301)
For silicon rubber.
6. the main lip bed course of a kind of oil sealing according to claim 1, it is characterised in that: the quantity of the frictional groove (302) is
Several, several frictional grooves (302) are provided with the outer surface of oil sealing (3) in the form of annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526287.1U CN208816681U (en) | 2018-09-10 | 2018-09-10 | A kind of main lip bed course of oil sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526287.1U CN208816681U (en) | 2018-09-10 | 2018-09-10 | A kind of main lip bed course of oil sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208816681U true CN208816681U (en) | 2019-05-03 |
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ID=66277458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821526287.1U Active CN208816681U (en) | 2018-09-10 | 2018-09-10 | A kind of main lip bed course of oil sealing |
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| Country | Link |
|---|---|
| CN (1) | CN208816681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728093A (en) * | 2021-01-05 | 2021-04-30 | 益航电子股份有限公司 | Rotary machine |
-
2018
- 2018-09-10 CN CN201821526287.1U patent/CN208816681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728093A (en) * | 2021-01-05 | 2021-04-30 | 益航电子股份有限公司 | Rotary machine |
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