CN209370460U - A kind of piston combination seal - Google Patents
A kind of piston combination seal Download PDFInfo
- Publication number
- CN209370460U CN209370460U CN201920032918.2U CN201920032918U CN209370460U CN 209370460 U CN209370460 U CN 209370460U CN 201920032918 U CN201920032918 U CN 201920032918U CN 209370460 U CN209370460 U CN 209370460U
- Authority
- CN
- China
- Prior art keywords
- sealing lip
- sealing
- lip
- arc groove
- piston
- 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
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of piston combination seals, including the first sealing lip, second sealing lip, third sealing lip and the 4th sealing lip, first sealing lip, second sealing lip, third sealing lip and the 4th sealing lip are fixedly connected with, the upper end of first sealing lip is provided with retaining ring, the first arc groove is formed between first sealing lip and the second sealing lip, the upper end of second sealing lip is provided with the first fillet surface, V-type lip is formed between second sealing lip and third sealing lip, the lower end of third sealing lip is provided with the second fillet surface, the second arc groove is formed between third sealing lip and the 4th sealing lip.The utility model piston combination seal, retaining ring is mounted on the upper end of the first sealing lip, it can be used as hole use, retaining ring is mounted on the lower end of the 4th sealing lip, the combination sealing of the sealing element and piston rod may be implemented, it is compact to design, make piston when moving back and forth by the first arc groove and the second arc groove, its sealing effect is good, for sealing high viscosity fluid.
Description
Technical field
The utility model relates to technical field of sealing technology, specially a kind of piston combination seal.
Background technique
With the development of modern industry, complicated and various hydraulic or pneumatic compression devices the appearance of work condition environment, it is mechanical
The importance of equipment sealing is self-evident, decides the transmission performance and sealed product of fluid and gas in industrial automation
Quality plays critical effect in the industrial production.
Piston seal in the prior art, for piston when moving back and forth, poor sealing effect cannot seal height well
Viscosity fluid.
Utility model content
The purpose of this utility model is to provide a kind of piston combination seal, retaining ring is mounted on the upper of the first sealing lip
End can be used as hole use, and retaining ring is mounted on the lower end of the 4th sealing lip, and the combination that the sealing element and piston rod may be implemented is close
Envelope, it is compact to design, make piston when moving back and forth by the first arc groove and the second arc groove, sealing effect is good, is used for
High viscosity fluid is sealed, can solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of piston combination seal, including the
One sealing lip, the second sealing lip, third sealing lip and the 4th sealing lip, first sealing lip, the second sealing lip, third sealing
Lip and the 4th sealing lip are fixedly connected with, and the upper end of first sealing lip is provided with retaining ring, first sealing lip and second
The first arc groove is formed between sealing lip, the upper end of second sealing lip is provided with the first fillet surface, second sealing lip
V-type lip is formed between third sealing lip, second sealing lip and third sealing lip are symmetrical, the third sealing lip
Lower end is provided with the second fillet surface, and the second arc groove is formed between the third sealing lip and the 4th sealing lip, and the described 4th is close
It seals lip and the first sealing lip is symmetrical.
Preferably, the upper surface of first sealing lip and the second sealing lip be provided with first fall the straight angle.
Preferably, the lower surface of the third sealing lip and the 4th sealing lip be provided with second fall the straight angle.
Preferably, the middle-end outer surface of second sealing lip and third sealing lip is provided with third and falls the straight angle.
Preferably, the outer surface of first sealing lip and the 4th sealing lip be provided with the 4th fall the straight angle.
Preferably, first arc groove and the second arc groove are symmetrical.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model piston combination seal, the upper end of the first sealing lip are provided with retaining ring, and retaining ring is mounted on first
The upper end of sealing lip, can be used as hole use, and retaining ring is mounted on the lower end of the 4th sealing lip, the sealing element and piston rod may be implemented
Combination sealing, form the first arc groove between the first sealing lip and the second sealing lip, the second sealing lip and third sealing lip it
Between form V-type lip, form the second arc groove between third sealing lip and the 4th sealing lip, and the second sealing lip and third sealing
Lip is symmetrical, and the 4th sealing lip and the first sealing lip are symmetrical, so that the piston combination seal, compact to design, together
When by the first arc groove and the second arc groove make piston move back and forth when, sealing effect is good, for sealing high viscosity
Fluid.
Detailed description of the invention
Fig. 1 is the schematic diagram of the piston combination seal of the utility model.
In figure: 1, the first sealing lip；2, the second sealing lip；3, third sealing lip；4, the 4th sealing lip；5, retaining ring；6,
One arc groove；7, the first fillet surface；8, V-type lip；9, the second fillet surface；10, the second arc groove；11, first fall the straight angle；12,
Second-speculation's straight angle；13, third falls the straight angle；14, the 4th fall the straight angle.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of piston combination seal, including the first sealing lip 1, the second sealing lip 2, third sealing lip
3 and the 4th sealing lip 4, the first sealing lip 1, the second sealing lip 2, third sealing lip 3 and the 4th sealing lip 4 be fixedly connected with,
The upper end of one sealing lip 1 is provided with retaining ring 5, and retaining ring 5 is mounted on the upper end of the first sealing lip 1, can be used as hole use, and retaining ring 5 is pacified
Mounted in the lower end of the 4th sealing lip 4, the combination sealing of the sealing element and piston rod may be implemented, the first sealing lip 1 and second close
The first arc groove 6 is formed between envelope lip 2, when the first arc groove 6 makes reciprocating motion of the pistons, sealing effect is good, for sealing
The upper surface of high viscosity fluid, the first sealing lip 1 and the second sealing lip 2 be provided with first fall the straight angle 11, the second sealing lip 2
Upper end is provided with the first fillet surface 7, and V-type lip 8, the second sealing lip 2 and the are formed between the second sealing lip 2 and third sealing lip 3
The middle-end outer surface of three sealing lips 3 is provided with third and falls the straight angle 13, and the second sealing lip 2 and third sealing lip 3 are symmetrical, and
The lower end of three sealing lips 3 is provided with the second fillet surface 9, forms the second arc groove between third sealing lip 3 and the 4th sealing lip 4
10, when the second arc groove 10 makes reciprocating motion of the pistons, sealing effect is good, for sealing high viscosity fluid, the first arc groove 6
It is symmetrical with the second arc groove 10, the lower surface of third sealing lip 3 and the 4th sealing lip 4 be provided with second fall the straight angle 12,
4th sealing lip 4 and the first sealing lip 1 are symmetrical, and the outer surface of the first sealing lip 1 and the 4th sealing lip 4 is provided with the 4th
The straight angle 14.
Working principle: the upper end of the first sealing lip 1 is provided with retaining ring 5, and retaining ring 5 is mounted on the upper end of the first sealing lip 1, can
To use as hole, retaining ring 5 is mounted on the lower end of the 4th sealing lip 4, and the combination sealing of the sealing element and piston rod may be implemented, the
The first arc groove 6 is formed between one sealing lip 1 and the second sealing lip 2, forms V-type between the second sealing lip 2 and third sealing lip 3
Lip 8 forms the second arc groove 10, and the second sealing lip 2 and third sealing lip 3 between third sealing lip 3 and the 4th sealing lip 4
Symmetrical, the 4th sealing lip 4 and the first sealing lip 1 are symmetrical, so that the piston combination seal, compact to design, together
When make piston when moving back and forth by the first arc groove 6 and the second arc groove 10, sealing effect is good, high viscous for sealing
Spend fluid.
In summary: the upper end of the utility model piston combination seal, the first sealing lip 1 is provided with retaining ring 5, retaining ring
5 are mounted on the upper end of the first sealing lip 1, can be used as hole use, and retaining ring 5 is mounted on the lower end of the 4th sealing lip 4, this may be implemented
The combination sealing of sealing element and piston rod forms the first arc groove 6, the second sealing between the first sealing lip 1 and the second sealing lip 2
V-type lip 8 is formed between lip 2 and third sealing lip 3, and the second arc groove 10 is formed between third sealing lip 3 and the 4th sealing lip 4,
And the second sealing lip 2 and third sealing lip 3 are symmetrical, and the 4th sealing lip 4 and the first sealing lip 1 are symmetrical, so that should
Piston combination seal, it is compact to design, while by the first arc groove 6 and the second arc groove 10 piston is being moved back and forth
When, sealing effect is good, for sealing high viscosity fluid.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of piston combination seal, including the first sealing lip (1), the second sealing lip (2), third sealing lip (3) and
Four sealing lips (4), it is characterised in that: first sealing lip (1), the second sealing lip (2), third sealing lip (3) and the 4th are close
Envelope lip (4) is fixedly connected with, and the upper end of first sealing lip (1) is provided with retaining ring (5), first sealing lip (1) and the
It being formed between two sealing lips (2) the first arc groove (6), the upper end of second sealing lip (2) is provided with the first fillet surface (7),
V-type lip (8) are formed between second sealing lip (2) and third sealing lip (3), second sealing lip (2) and third sealing
Lip (3) is symmetrical, and the lower end of the third sealing lip (3) is provided with the second fillet surface (9), the third sealing lip (3) with
It is formed the second arc groove (10) between 4th sealing lip (4), the 4th sealing lip (4) and the first sealing lip (1) are symmetrical.
2. a kind of piston combination seal according to claim 1, it is characterised in that: first sealing lip (1) and
The upper surface of second sealing lip (2) is provided with first the straight angle (11).
3. a kind of piston combination seal according to claim 1, it is characterised in that: the third sealing lip (3) and
The lower surface of 4th sealing lip (4) is provided with second the straight angle (12).
4. a kind of piston combination seal according to claim 1, it is characterised in that: second sealing lip (2) and
The middle-end outer surface of third sealing lip (3) is provided with third and falls the straight angle (13).
5. a kind of piston combination seal according to claim 1, it is characterised in that: first sealing lip (1) and
The outer surface of 4th sealing lip (4) is provided with the 4th the straight angle (14).
6. a kind of piston combination seal according to claim 1, it is characterised in that: first arc groove (6) and
Second arc groove (10) is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032918.2U CN209370460U (en) | 2019-01-09 | 2019-01-09 | A kind of piston combination seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032918.2U CN209370460U (en) | 2019-01-09 | 2019-01-09 | A kind of piston combination seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370460U true CN209370460U (en) | 2019-09-10 |
Family
ID=67825099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032918.2U Expired - Fee Related CN209370460U (en) | 2019-01-09 | 2019-01-09 | A kind of piston combination seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370460U (en) |
-
2019
- 2019-01-09 CN CN201920032918.2U patent/CN209370460U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209370460U (en) | A kind of piston combination seal | |
| CN206770608U (en) | A kind of automatic clutch piston seal | |
| CN206054285U (en) | High-pressure large-displacement Quimby pump | |
| CN208793359U (en) | A kind of closed type piston rod end cap | |
| CN206513525U (en) | A kind of piston packing ring of oilless air compressor | |
| CN1053042A (en) | Expandable sealing ring | |
| CN207163638U (en) | The pressure gauge of convertible joint | |
| CN204344916U (en) | A kind of Novel sealing ring | |
| CN209370462U (en) | A kind of piston rod high pressure combination seal | |
| CN202851965U (en) | Novel sealing ring | |
| CN209130186U (en) | A kind of silica gel sealing ring | |
| CN205350358U (en) | High pressure resistant V -arrangement resistance to compression ring composite seal that takes | |
| CN209414620U (en) | A kind of piston seal | |
| CN203784297U (en) | Self-adjusting structure for high-pressure sealing of piston rod | |
| CN209370444U (en) | A kind of rotation shaft seal | |
| CN201943917U (en) | Complete oil-free lubrication gas compressor of reciprocating piston | |
| CN206144749U (en) | Doublestage direction oil -free air compressor piston | |
| CN201090653Y (en) | High pressure vibration absorber seal ring for reciprocating motion | |
| CN209370470U (en) | A kind of high-performance rotating seal | |
| CN204201046U (en) | A kind of cylinder | |
| CN204082481U (en) | A kind of sedan air conditioner Compressor Piston Ring | |
| CN205478666U (en) | Pneumatic cylinder anti -clogging device | |
| CN217481972U (en) | IUI main oil seal oil cylinder sealing piece | |
| CN204175705U (en) | A kind of anti-leak oil hydraulic cylinder | |
| CN207864625U (en) | V-arrangement rotating seal |
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: 20190910 Termination date: 20210109 |