CN209370444U - A kind of rotation shaft seal - Google Patents
A kind of rotation shaft seal Download PDFInfo
- Publication number
- CN209370444U CN209370444U CN201920032538.9U CN201920032538U CN209370444U CN 209370444 U CN209370444 U CN 209370444U CN 201920032538 U CN201920032538 U CN 201920032538U CN 209370444 U CN209370444 U CN 209370444U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- ring body
- chamfering
- rotation shaft
- lower chamfering
- 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 Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of rotation shaft seals, including sealing ring body, the sealing ring body is the sealing ring body that cross section is parallelogram, the sealing ring body side is connected with first side, the another side of sealing ring body is connected with second side, arc groove is offered below the sealing ring body, a kind of rotation shaft seal of the utility model, reduce contact area, reach facet contact, reduce the loss of internal friction bring, the surfaces of revolution has better stability, it can still guarantee reliable and stable sealing performance under high-pressure rotary, and cooperate the first lower chamfering and the second lower chamfering, it ensure that the sealing performance of the receiving super high impact of piston seal, and elasticity modulus is big, with good resilience, wearability, it is antifouling, waterproof and cap capable of preventing oil from sputtering performance, and arc groove internal storage has Lubricating oil increases degree of lubrication, reduces not frictional force, increases whole service life.
Description
Technical field
The utility model relates to rotation shaft seal technical field, specially a kind of rotation shaft 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, existing sealing element, and sealing performance is unstable, poor flexibility, and with rotation
Joint face is big between axis, increases rubbing surface, and wearability is low, is easy to appear abrasion bring damage.
Utility model content
It is easy to use the purpose of this utility model is to provide a kind of rotation shaft seal, contact area is reduced, reaches small
Plane contact, reduces the loss of internal friction bring, and the surfaces of revolution has better stability, can still guarantee under high-pressure rotary
Reliable and stable sealing performance, and cooperate the first lower chamfering and the second lower chamfering, it ensure that the receiving superelevation punching of piston seal
The sealing performance hit, and elasticity modulus is big, has good resilience, wearability, antifouling, waterproof and cap capable of preventing oil from sputtering performance,
And arc groove internal storage has lubricating oil, increases degree of lubrication, reduces not frictional force, increases whole service life, solves
The problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of rotation shaft seal, including sealing ring
Ontology, the sealing ring body are the sealing ring bodies that cross section is parallelogram, and the sealing ring body side is connected with
First side, the another side of sealing ring body are connected with second side, and it is recessed to offer arc below the sealing ring body
Slot, the two sides of arc groove are connected with the first lower chamfering and the second lower chamfering, the two of chamfering under the described first lower chamfering and second
Side is connected with bottom edge, and the angle that bottom edge is connect with the first side of sealing ring body two sides and second side is 90 °, described close
It is connected on first chamfering in chamfering and second above seal ontology, is connected between chamfering in chamfering and second on first convex
The face of rising, the angle on described first in chamfering and second between chamfering and the side on crowning both sides is less than 180 °.
Preferably, the described first lower chamfering and the second lower chamfering are identical as the corner dimension of arc groove two sides joint face.
Preferably, the sealing ring body is with the vertical bilateral symmetry of arc groove center position.
Preferably, the arc groove internal storage has lubricating oil.
Preferably, the described first lower chamfering and the second lower angle between chamfering and bottom edge are respectively less than 180 °.
Compared with prior art, the beneficial effects of the utility model are as follows:
A kind of rotation shaft seal of the utility model is connected with crowning between chamfering in chamfering and second on first, and
Angle on one in chamfering and second between chamfering and the side on crowning both sides falls under the first lower chamfering and second less than 180 °
Angle between angle and bottom edge is respectively less than 180 °, by angle less than 180 °, reduces contact area, reaches facet contact, subtracts
Few internal friction bring loss, the surfaces of revolution have better stability, can still guarantee under high-pressure rotary reliable and stable
Sealing performance, and cooperate the first lower chamfering and the second lower chamfering, it ensure that the leakproofness of the receiving super high impact of piston seal
Can, and elasticity modulus is big, there is good resilience, wearability, antifouling, waterproof and cap capable of preventing oil from sputtering performance, and arc groove
Internal storage has lubricating oil, increases degree of lubrication, reduces not frictional force, increases whole service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1, sealing ring body；2, first side；3, second side；4, arc groove；5, the first lower chamfering；6,
Two lower chamferings；7, chamfering on first；8, chamfering on second；9, crowning；10, bottom edge.
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 rotation shaft seal, including sealing ring body 1, sealing ring body 1 are that cross section is parallel
The sealing ring body 1 of quadrangle, 1 side of sealing ring body are connected with first side 2, the another side connection of sealing ring body 1
There is second side 3, the lower section of sealing ring body 1 offers arc groove 4, and sealing ring body 1 is with 4 center position of arc groove
Vertical bilateral symmetry, the two sides of arc groove 4 are connected with the first lower chamfering 5 and the second lower chamfering 6, the first lower chamfering 5 and second
Lower chamfering 6 is identical as the corner dimension of 4 two sides joint face of arc groove, and the first lower chamfering 5 is connected with the two sides of the second lower chamfering 6
There is bottom edge 10, the angle that bottom edge 10 is connect with the first side 2 of 1 two sides of sealing ring body and second side 3 is 90 °, sealing
The top of circle ontology 1 is connected on first chamfering 8 in chamfering 7 and second, connects between chamfering 8 in chamfering 7 and second on first
There is crowning 9, the angle on first in chamfering 7 and second between the side on 9 both sides of chamfering 8 and crowning is less than 180 °, first
Angle between lower chamfering 5 and the second lower chamfering 6 and bottom edge 10 is respectively less than 180 °, by angle less than 180 °, reduces contact surface
Product reaches facet contact, reduces the loss of internal friction bring, the surfaces of revolution has better stability, under high-pressure rotary
It can still guarantee reliable and stable sealing performance, and cooperate the first lower chamfering 5 and the second lower chamfering 6, ensure that piston seal
Receiving super high impact sealing performance, and elasticity modulus is big, have good resilience, wearability, antifouling, waterproof and
Cap capable of preventing oil from sputtering performance, and 4 internal storage of arc groove has lubricating oil, increases degree of lubrication, reduces not frictional force, increases whole make
Use the service life.
In summary: a kind of rotation shaft seal of the utility model connects in chamfering 7 and second between chamfering 8 on first
There is crowning 9, the angle on first in chamfering 7 and second between the side on 9 both sides of chamfering 8 and crowning is less than 180 °, first
Angle between lower chamfering 5 and the second lower chamfering 6 and bottom edge 10 is respectively less than 180 °, by angle less than 180 °, reduces contact surface
Product reaches facet contact, reduces the loss of internal friction bring, the surfaces of revolution has better stability, under high-pressure rotary
It can still guarantee reliable and stable sealing performance, and cooperate the first lower chamfering 5 and the second lower chamfering 6, ensure that piston seal
Receiving super high impact sealing performance, and elasticity modulus is big, have good resilience, wearability, antifouling, waterproof and
Cap capable of preventing oil from sputtering performance, and 4 internal storage of arc groove has lubricating oil, increases degree of lubrication, reduces not frictional force, increases whole make
Use the service life.
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 (5)
1. a kind of rotation shaft seal, including sealing ring body (1), it is characterised in that: the sealing ring body (1) is cross section
For the sealing ring body (1) of parallelogram, sealing ring body (1) side is connected with first side (2), sealing ring body
(1) another side is connected with second side (3), offers arc groove (4), arc below the sealing ring body (1)
The two sides of groove (4) are connected with first lower chamfering (5) and second lower chamfering (6), described first lower chamfering (5) and the second lower chamfering
(6) two sides are connected with bottom edge (10), the first side (2) and second side of bottom edge (10) and sealing ring body (1) two sides
(3) angle connected is 90 °, and chamfering (8) on chamfering on first (7) and second is connected with above the sealing ring body (1),
Crowning (9) are connected between chamfering (8) in chamfering (7) and second on first, chamfering in chamfering (7) and second on described first
(8) angle between the side on crowning (9) both sides is less than 180 °.
2. a kind of rotation shaft seal according to claim 1, it is characterised in that: described first lower chamfering (5) and second
Lower chamfering (6) is identical as the corner dimension of arc groove (4) two sides joint face.
3. a kind of rotation shaft seal according to claim 1, it is characterised in that: the sealing ring body (1) is with arc
The vertical bilateral symmetry of groove (4) center position.
4. a kind of rotation shaft seal according to claim 1, it is characterised in that: arc groove (4) internal storage
There is lubricating oil.
5. a kind of rotation shaft seal according to claim 1, it is characterised in that: described first lower chamfering (5) and second
Angle between lower chamfering (6) and bottom edge (10) is respectively less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032538.9U CN209370444U (en) | 2019-01-09 | 2019-01-09 | A kind of rotation shaft seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032538.9U CN209370444U (en) | 2019-01-09 | 2019-01-09 | A kind of rotation shaft seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370444U true CN209370444U (en) | 2019-09-10 |
Family
ID=67824946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032538.9U Expired - Fee Related CN209370444U (en) | 2019-01-09 | 2019-01-09 | A kind of rotation shaft seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370444U (en) |
-
2019
- 2019-01-09 CN CN201920032538.9U patent/CN209370444U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20210109 |