CN208185466U - A kind of five lip combination seals - Google Patents
A kind of five lip combination seals Download PDFInfo
- Publication number
- CN208185466U CN208185466U CN201721838551.0U CN201721838551U CN208185466U CN 208185466 U CN208185466 U CN 208185466U CN 201721838551 U CN201721838551 U CN 201721838551U CN 208185466 U CN208185466 U CN 208185466U
- Authority
- CN
- China
- Prior art keywords
- lip
- sealing
- seal
- support frame
- oil seal
- 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 five lip combination seals, including outer oil seal, inner oil seal, first support frame, first seal, leaf spring, second support frame, second seal and self-tightening spring, the outer oil seal is equipped with the first support frame, the internal diameter of the first seal is equipped with the first sealing, leaf spring is installed in first sealing, the side wall of first sealing is equipped with the first sealing lip and the second sealing lip, the internal diameter of second sealing lip is extended with secondary lip, the internal diameter of first sealing is equipped with third sealing lip, the inner oil seal is equipped with the second support frame, the internal diameter of the second seal is equipped with primary seal lip, the outer ring of the primary seal lip is surrounded with self-tightening spring, using the combination of two special-shaped oil sealings, form the combination oil seal with multiple oil seal lip, leaf spring, Self-tightening spring can compensate for the gap generated due to abrasion, greatly improve the sealing performance of oil sealing.
Description
[technical field]
The utility model relates to the technical field of sealing element, especially a kind of technical field of five lip combination seals.
[background technique]
To prevent lubricating oil leakage, axis stretch out body part oil sealing to be installed, it is common to use method be provided with an oil
Envelope, the effect of oil sealing general is exactly that the component for needing to lubricate in transmission parts is isolated with component of contributing, and is unlikely to allow lubricating oil
Leakage.The media of both sides at water pump drive spindle position is respectively lubricating oil and coolant liquid, and the combination oil seal of existing structure can not at present
The media of both sides at water pump drive spindle position is sealed simultaneously.Therefore the structure for needing to change the sealing lip of existing oil sealing, makes oil sealing
It is provided simultaneously with oil sealing and seals the sealability of coolant liquid, to seal while satisfaction to media of both sides, guarantee that water pump drive spindle exists
It is worked normally in higher rotation speed working environment, it is proposed that a kind of five lip combination seals.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of five lip combination seals, adopts
With the combination of two special-shaped oil sealings, the combination oil seal with multiple oil seal lip is formed, close sealing space, plate are capable of forming
Formula spring, self-tightening spring can compensate for the gap generated due to abrasion, greatly improve the sealing performance of oil sealing, improve transmission shaft
Service life.
To achieve the above object, the utility model proposes a kind of five lip combination seals, including outer oil seal, interior oil
Envelope, the first support frame, first seal, leaf spring, the second support frame, second seal and self-tightening spring, it is described outer
Oil sealing is equipped with the first support frame, and first support frame is equipped with first seal, the internal diameter of the first seal
Equipped with the first sealing, leaf spring is installed, it is close that the side wall of first sealing is equipped with first in first sealing
Lip and the second sealing lip are sealed, the internal diameter of second sealing lip is extended with secondary lip, and the internal diameter of first sealing is equipped with third
Sealing lip, the inner oil seal are equipped with the second support frame, and the outer ring of second support frame is axially extended with the second rib,
The inner wall of first sealing lip and the second rib is fitted close, and second support frame is equipped with second seal, described
The internal diameter of second seal is equipped with primary seal lip, and the outer ring of the primary seal lip is surrounded with self-tightening spring.
Preferably, second support frame further includes back-shaped flanging, the cross sectional shape of the back-shaped flanging is U-shaped
Shape, the outer ring of the back-shaped flanging are extended with the second rib, and the end face of second sealing lip and the second support frame is closely matched
It closes.
Preferably, the outer ring of the second seal is extended with the second sealant, second sealant is coated on
On the outer ring of two ribs, second sealant and outer oil seal are fitted close, and the outer ring of the primary seal lip is equipped with annular groove, institute
It states in self-tightening spring insertion annular groove, the radial section of the primary seal lip is approximately V-shape.
Preferably, the cross sectional shape of first support frame is L-shaped, the outer ring of first support frame is axial
It is extended with the first rib, the outer diameter of the first seal is extended with the first sealant, and first sealant is coated on first
On rib, the inner ring and inner oil seal of first sealant are fitted close.
Preferably, the cross sectional shape of the leaf spring is U-shaped, the Liang Ge branch of the leaf spring clamps respectively
On the first sealing lip and the second sealing lip.
Preferably, the inside of outer oil seal is arranged in the inner oil seal, match between the outer oil seal and inner oil seal in interference
It closes.
The utility model has the beneficial effects that the utility model passes through outer oil seal, inner oil seal, the first support frame, first close
The cooperation of sealing, leaf spring, the second support frame, second seal and self-tightening spring etc., using the group of two special-shaped oil sealings
It closes, forms the combination oil seal with multiple oil seal lip, lateral lip is long and thin to have good elastic deformation performance, being capable of shape
At close sealing space, leaf spring, self-tightening spring can compensate for the gap generated due to abrasion, greatly improve the close of oil sealing
Sealing property improves the service life of transmission shaft.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of schematic cross-section of five lip combination seals of the utility model；
Fig. 2 is a kind of schematic cross-section of the outer oil seal of four lip dustproof covers of five lip combination seals of the utility model；
Fig. 3 is a kind of schematic cross-section of the inner oil seal of three lip dustproof covers of five lip combination seals of the utility model.
[specific embodiment]
Refering to fig. 1 to Fig. 3, the utility model five lip combination seals of one kind, including outer oil seal 1, inner oil seal 2, first
Support frame 3, first seal 4, leaf spring 5, the second support frame 6, second seal 7 and self-tightening spring 8, the outer oil
Envelope 1 be equipped with the first support frame 3, first support frame 3 be equipped with first seal 4, the first seal 4 it is interior
Diameter is equipped with the first sealing 42, is equipped with leaf spring 5 in first sealing 42, the side wall of first sealing 42 is set
There are the first sealing lip 43 and the second sealing lip 44, the internal diameter of second sealing lip 44 is extended with secondary lip 441, first sealing
The internal diameter in portion 42 is equipped with third sealing lip 45, and the inner oil seal 2 is equipped with the second support frame 6, second support frame 6
Outer ring is axially extended with the second rib 62, and the inner wall of first sealing lip 43 and the second rib 62 is fitted close, and described second
Support frame 6 is equipped with second seal 7, and the internal diameter of the second seal 7 is equipped with primary seal lip 72, the primary seal lip 72
Outer ring be surrounded with self-tightening spring 8.Second support frame 6 further includes back-shaped flanging 61, the back-shaped flanging 61
Cross sectional shape is U-shaped, and the outer ring of the back-shaped flanging 61 is extended with the second rib 62, second sealing lip 44 and second
The end face of support bone frame 6 is fitted close.The outer ring of the second seal 7 is extended with the second sealant 71, second sealant
71 are coated on the outer ring of the second rib 62, and second sealant 71 is fitted close with outer oil seal 1, the primary seal lip 72
Outer ring is equipped with annular groove 73, and the self-tightening spring 8 is embedded in annular groove 73.The cross sectional shape of first support frame 3 is L word
Shape, the outer ring of first support frame 3 are axially extended with the first rib 31, and the outer diameter of the first seal 4 is extended with
One sealant 41, first sealant 41 are coated on the first rib 31, the inner ring and inner oil seal 2 of first sealant 41
It is fitted close.The cross sectional shape of the leaf spring 5 is U-shaped, and the Liang Ge branch of the leaf spring 5 is installed on first respectively
On sealing lip 43 and the second sealing lip 44.The inside of outer oil seal 1, the outer oil seal 1 and inner oil seal 2 is arranged in the inner oil seal 2
Between in interference fit.
Utility model works process:
Five lip combination seals of the utility model one kind during the work time, pass through outer oil seal, inner oil seal, the first support
The cooperation of skeleton, first seal, leaf spring, the second support frame, second seal and self-tightening spring etc., it is different using two
The combination of type oil sealing forms the combination oil seal with multiple oil seal lip, and lateral lip is long and thin to have good elastic deformation
Performance is capable of forming close sealing space, and leaf spring, self-tightening spring can compensate for the gap generated due to abrasion, significantly
The sealing performance for improving oil sealing, improves the service life of transmission shaft.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (6)
1. a kind of five lip combination seals, it is characterised in that: including outer oil seal (1), inner oil seal (2), the first support frame
(3), first seal (4), leaf spring (5), the second support frame (6), second seal (7) and self-tightening spring (8), it is described
Outer oil seal (1) is equipped with the first support frame (3), and first support frame (3) is equipped with first seal (4), and described the
The internal diameter of one sealing element (4) is equipped with the first sealing (42), is equipped with leaf spring (5), institute in first sealing (42)
The side wall for stating the first sealing (42) is equipped with the first sealing lip (43) and the second sealing lip (44), second sealing lip (44)
Internal diameter is extended with secondary lip (441), and the internal diameter of first sealing (42) is equipped with third sealing lip (45), the inner oil seal (2)
It being equipped with the second support frame (6), the outer ring of second support frame (6) is axially extended with the second rib (62), and described the
One sealing lip (43) and the inner wall of the second rib (62) are fitted close, and second support frame (6) is equipped with second seal
(7), the internal diameter of the second seal (7) is equipped with primary seal lip (72), and the outer ring of the primary seal lip (72) is surrounded with
Self-tightening spring (8).
2. five lip combination seals of one kind as described in claim 1, it is characterised in that: second support frame (6) is also
Including back-shaped flanging (61), the cross sectional shape of the back-shaped flanging (61) is U-shaped, and the outer ring of the back-shaped flanging (61) extends
Have the second rib (62), the end face of second sealing lip (44) and the second support frame (6) is fitted close.
3. five lip combination seals of one kind as described in claim 1, it is characterised in that: outside the second seal (7)
Circle is extended with the second sealant (71), and second sealant (71) is coated on the outer ring of the second rib (62), and described second
Sealant (71) and outer oil seal (1) are fitted close, and the outer ring of the primary seal lip (72) is equipped with annular groove (73), the self-tightening bullet
Spring (8) is embedded in annular groove (73), and the radial section of the primary seal lip (72) is approximately V-shape.
4. five lip combination seals of one kind as described in claim 1, it is characterised in that: first support frame (3)
Cross sectional shape is L-shaped, and the outer ring of first support frame (3) is axially extended with the first rib (31), first sealing
The outer diameter of part (4) is extended with the first sealant (41), and first sealant (41) is coated on the first rib (31), and described
The inner ring of one sealant (41) and inner oil seal (2) are fitted close.
5. five lip combination seals of one kind as described in claim 1, it is characterised in that: the section of the leaf spring (5)
Shape is U-shaped, and the Liang Ge branch of the leaf spring (5) is installed on the first sealing lip (43) and the second sealing lip (44) respectively
On.
6. five lip combination seals of one kind as described in claim 1, it is characterised in that: inner oil seal (2) setting is outside
The inside of oil sealing (1), in interference fit between the outer oil seal (1) and inner oil seal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838551.0U CN208185466U (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838551.0U CN208185466U (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185466U true CN208185466U (en) | 2018-12-04 |
Family
ID=64442052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721838551.0U Expired - Fee Related CN208185466U (en) | 2017-12-25 | 2017-12-25 | A kind of five lip combination seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150653A (en) * | 2017-12-25 | 2018-06-12 | 陈旭明 | A kind of five lip combination seals |
-
2017
- 2017-12-25 CN CN201721838551.0U patent/CN208185466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150653A (en) * | 2017-12-25 | 2018-06-12 | 陈旭明 | A kind of five lip combination seals |
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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: 20181204 Termination date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |