CN208457201U - A kind of sealing and dustproofing integrated oil seal - Google Patents
A kind of sealing and dustproofing integrated oil seal Download PDFInfo
- Publication number
- CN208457201U CN208457201U CN201821054253.7U CN201821054253U CN208457201U CN 208457201 U CN208457201 U CN 208457201U CN 201821054253 U CN201821054253 U CN 201821054253U CN 208457201 U CN208457201 U CN 208457201U
- Authority
- CN
- China
- Prior art keywords
- sealing
- lip
- oil
- rubber jar
- sealing 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
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of sealing and dustproofing integrated oil seals, including oil sealing rubber jar, oil tight skeleton is fixed in the oil sealing rubber jar, the inner top side of the oil sealing rubber jar is fixedly connected with sealing lip, annular chamber is equipped in the sealing lip, self-tightening spring is equipped in the annular chamber, the inside lower end of the oil sealing rubber jar is equipped with dustproof lip, the dustproof lip is obliquely installed, a dust collecting trough is formed between the dustproof lip and the inner sidewall of oil sealing rubber jar, the inner sidewall of the oil sealing rubber jar is equipped with annular groove, the annular groove is between dustproof lip and sealing lip, the opposite inner wall of the annular groove is fixedly connected to connector, the end inclination of the connector is fixedly connected with sealing element, the end of two sealing elements is fixedly connected.The utility model is structurally reasonable, is provided between sealing element and sealing lip and forms double protections, and sealing effect more preferably, and can blow the sundries on axis open in simultaneously inspiration dust collecting trough, and good dustproof effect is convenient to clean.
Description
Technical field
The utility model relates to oil seal technique field more particularly to a kind of sealing and dustproofing integrated oil seals.
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, is unlikely to allow oil seepage.
The sealing effect of existing sealing sealing lip with the increase of use time can be deteriorated, and cause oily leakage, and dust-proof effect compared with
Difference.
Utility model content
Purpose of the utility model is to solve disadvantage existing in the prior art, and a kind of sealing that proposes and dust-proof
Integrated oil seal is provided between sealing element and sealing lip and forms double protections, and sealing effect more preferably, and can will be on axis
Sundries blow open and inspiration dust collecting trough in, good dustproof effect is convenient to clean.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of sealing and dustproofing integrated oil seal, including oil sealing rubber jar are fixed with oil sealing bone in the oil sealing rubber jar
Frame, the inner top side of the oil sealing rubber jar are fixedly connected with sealing lip, are equipped with annular chamber, the annular chamber in the sealing lip
Interior to be equipped with self-tightening spring, the inside lower end of the oil sealing rubber jar is equipped with dustproof lip, and the dustproof lip is obliquely installed, described dust-proof
A dust collecting trough is formed between lip and the inner sidewall of oil sealing rubber jar, the inner sidewall of the oil sealing rubber jar is equipped with annular groove, institute
Annular groove is stated between dustproof lip and sealing lip, the opposite inner wall of the annular groove is fixedly connected to connector, the company
The end inclination of fitting is fixedly connected with sealing element, and the end of two sealing elements is fixedly connected, two connectors it
Between by the first connector, the second connector is connected between two sealing elements, is equipped with dust-proof mechanism in the dustproof lip.
Preferably, the oil tight skeleton is metallic framework.
Preferably, first connector is the first spring, and second connector is second spring.
Preferably, the dust-proof mechanism includes the negative pressure cavity being arranged in dustproof lip, and the dustproof lip end is equipped with and bears
The venthole of chamber connection is pressed, the first valve is equipped in the venthole, the lateral wall of the dustproof lip is equipped with to be connected to negative pressure cavity
Multiple air inlets, the second valve is equipped in the air inlet, the air inlet of the air inlet is fixed with separation net.
Preferably, first valve is unidirectional air outlet valve, and second valve is breather cheek valve.
Preferably, it is integrally formed between the sealing lip and oil sealing rubber jar and dustproof lip and oil sealing rubber jar.
The utility model compared with prior art, it has the advantage that:
1, it is provided with connector and sealing element, the first elastic component and the second bullet are connected separately between connector and sealing element
Property part, can move with the movement of axis, be bonded always with axis, leave protection in pairs with sealing lip one, sealing effect is more preferably.
2, it is provided with negative pressure cavity and dust collecting trough, first the gas in negative pressure cavity can be blown out, blow axis open with the movement of axis
On dust be blown into dust collecting trough, then row the dust in dust collecting trough is sucked at negative pressure, good dustproof effect is convenient to clean.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of sealing and dustproofing integrated oil seal structural schematic diagram；
Fig. 2 be the utility model proposes a kind of sealing and dustproofing integrated oil seal A at structure enlargement diagram.
In figure: 1 oil sealing rubber jar, 2 oil tight skeletons, 3 self-tightening springs, 4 sealing lips, 5 connectors, 6 first springs, 7 sealings
Part, 8 second springs, 9 dustproof lips, 10 negative pressure cavities, 11 separation nets, 12 second valves, 13 air inlets, 14 first valves, 15 outlets
Hole, 16 dust collecting troughs.
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.
Embodiment one:
Referring to Fig.1-2, a kind of sealing and dustproofing integrated oil seal, including oil sealing rubber jar 1, it is fixed in oil sealing rubber jar 1
There is oil tight skeleton 2, oil tight skeleton 2 is metallic framework, and the inner top side of oil sealing rubber jar 1 is fixedly connected with sealing lip 4, sealing lip
It is equipped with annular chamber in 4, self-tightening spring 3 is equipped in annular chamber, the inside lower end of oil sealing rubber jar 1 is equipped with dustproof lip 9, dustproof lip 9
Be obliquely installed, be integrally formed between sealing lip 4 and oil sealing rubber jar 1 and dustproof lip 9 and oil sealing rubber jar 1, dustproof lip 9 with
A dust collecting trough 16 is formed between the inner sidewall of oil sealing rubber jar 1, the inner sidewall of oil sealing rubber jar 1 is equipped with annular groove, annular groove
Between dustproof lip 9 and sealing lip 4, the opposite inner wall of annular groove is fixedly connected to connector 5, and the end of connector 5 is inclined
It tiltedly is fixedly connected with sealing element 7, the end of two sealing elements 7 is fixedly connected, pass through the first connector between two connectors 5,
The second connector is connected between two sealing elements 7, the first connector is the first spring 6, and the second connector is second spring 8,
Dust-proof mechanism is equipped in dustproof lip 9, dust-proof mechanism includes the negative pressure cavity 10 being arranged in dustproof lip 9, and 9 end of dustproof lip is equipped with
The venthole 15 being connected to negative pressure cavity 10, venthole 15 is interior to be equipped with the first valve 14, and the lateral wall of dustproof lip 9 is equipped with and negative pressure cavity
Multiple air inlets 13 of 10 connections, air inlet 13 is interior to be equipped with the second valve 12, and the first valve 14 is unidirectional air outlet valve, the second valve
12 be breather cheek valve, and the air inlet of air inlet 13 is fixed with separation net 11, installs oil sealing, sealing lip 4, sealing element 7 and anti-
Dirt lip 9 offsets with transmission shaft, and the first spring 6 is connected between two connectors 5, is connected with the second bullet between two sealing elements 7
Spring 8, can squeeze flexible with moving up and down for transmission shaft, be bonded sealing element 7 always with transmission shaft, sealing element 7 with it is close
Double containment is formed between envelope lip 4, sealing effect more preferably, when transmission shaft moves down, is squeezed and deformed dustproof lip 9, thus by negative pressure cavity
Gas in 10 is discharged by venthole 15, the dust on transmission shaft is blown open, dust is fallen into dust collecting trough 16, on transmission shaft
When shifting, the negative pressure in negative pressure cavity 10 is sucked the dust in dust collecting trough 16 by multiple air inlets 13, is convenient to clean dust.
In the utility model, oil sealing is installed, sealing lip 4, sealing element 7 offset with dustproof lip 9 with transmission shaft, two connections
It is connected with the first spring 6 between part 5, is connected with second spring 8 between two sealing elements 7, it can be with being moved down on transmission shaft
It moves and squeezes and stretch, be bonded sealing element 7 always with transmission shaft, form double containment, sealing effect between sealing element 7 and sealing lip 4
Fruit more preferably, when transmission shaft moves down, is squeezed and deformed dustproof lip 9, so that the gas in negative pressure cavity 10 is passed through 15 row of venthole
Out, the dust on transmission shaft is blown open, dust is fallen into dust collecting trough 16, and when transmission shaft moves up, the negative pressure in negative pressure cavity 10 passes through
Multiple air inlets 13 suck the dust in dust collecting trough 16, are convenient to clean dust.
Embodiment two:
The present embodiment and embodiment one the difference is that: the first elastic component and the second elastic component can be replaced elastic rubber
Glue, it is lower using elastic rubber cost, and be more uniformly stressed, keep sealing element 7 and being bonded for transmission shaft closer.
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 sealing and dustproofing integrated oil seal, including oil sealing rubber jar (1), which is characterized in that the oil sealing rubber jar (1)
It is inside fixed with oil tight skeleton (2), the inner top side of the oil sealing rubber jar (1) is fixedly connected with sealing lip (4), the sealing lip
(4) it is equipped with annular chamber in, is equipped with self-tightening spring (3) in the annular chamber, the inside lower end of the oil sealing rubber jar (1) is equipped with anti-
Dirt lip (9), the dustproof lip (9) are obliquely installed, and form one between the dustproof lip (9) and the inner sidewall of oil sealing rubber jar (1)
A dust collecting trough (16), the inner sidewall of the oil sealing rubber jar (1) are equipped with annular groove, the annular groove be located at dustproof lip (9) with it is close
It seals between lip (4), the opposite inner wall of the annular groove is fixedly connected to connector (5), the end inclination of the connector (5)
It is fixedly connected with sealing element (7), the end of two sealing elements (7) is fixedly connected, and is passed through between two connectors (5)
First connector is connected with the second connector between two sealing elements (7), is equipped with dust-proof mechanism in the dustproof lip (9).
2. a kind of sealing according to claim 1 and dustproofing integrated oil seal, which is characterized in that the oil tight skeleton (2)
For metallic framework.
3. a kind of sealing according to claim 1 and dustproofing integrated oil seal, which is characterized in that first connector is
First spring (6), second connector are second spring (8).
4. a kind of sealing according to claim 1 and dustproofing integrated oil seal, which is characterized in that the dust-proof mechanism includes
The negative pressure cavity (10) being arranged in dustproof lip (9), dustproof lip (9) end are equipped with the venthole being connected to negative pressure cavity (10)
(15), the first valve (14) are equipped in the venthole (15), the lateral wall of the dustproof lip (9) is equipped with negative pressure cavity (10) even
Logical multiple air inlets (13), the air inlet (13) is interior to be equipped with the second valve (12), and the air inlet of the air inlet (13) is solid
Surely there are separation net (11).
5. a kind of sealing according to claim 4 and dustproofing integrated oil seal, which is characterized in that first valve (14)
For unidirectional air outlet valve, second valve (12) is breather cheek valve.
6. a kind of sealing according to claim 1 and dustproofing integrated oil seal, which is characterized in that the sealing lip (4) with
It is integrally formed between oil sealing rubber jar (1) and dustproof lip (9) and oil sealing rubber jar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054253.7U CN208457201U (en) | 2018-07-04 | 2018-07-04 | A kind of sealing and dustproofing integrated oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821054253.7U CN208457201U (en) | 2018-07-04 | 2018-07-04 | A kind of sealing and dustproofing integrated oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457201U true CN208457201U (en) | 2019-02-01 |
Family
ID=65171711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821054253.7U Expired - Fee Related CN208457201U (en) | 2018-07-04 | 2018-07-04 | A kind of sealing and dustproofing integrated oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208457201U (en) |
-
2018
- 2018-07-04 CN CN201821054253.7U patent/CN208457201U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20190704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |