CN215806292U - Novel hydraulic generator brake oil gas handing-over lip seal combination device - Google Patents
Novel hydraulic generator brake oil gas handing-over lip seal combination device Download PDFInfo
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- CN215806292U CN215806292U CN202122216712.5U CN202122216712U CN215806292U CN 215806292 U CN215806292 U CN 215806292U CN 202122216712 U CN202122216712 U CN 202122216712U CN 215806292 U CN215806292 U CN 215806292U
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Abstract
The utility model discloses a novel hydraulic generator brake oil-gas cross-connection lip-shaped sealing combination device, which comprises a cylinder body, wherein the inner side of the cylinder body is sequentially provided with a piston seal and an air seal from bottom to top, the inner wall of the cylinder body is also provided with a bearing block which is directly contacted with the outer wall of the air seal, the outer wall of the air seal is provided with a one-way lip-shaped air sealing ring which is contacted with the bearing block, the outer wall of the air seal is sleeved with a two-way lip-shaped air sealing ring which is directly contacted with the inner wall of the cylinder body, and in addition, the outer wall of the piston seal is also provided with an oil-gas cross-connection air sealing ring; this novel hydraulic generator stopper oil gas handing-over lip seal composite set through the setting of one-way lip air seal circle and two-way lip air seal circle, can guarantee the sealed effect when airtight motion, and the sealed effect when piston seal piston motion has also been guaranteed in the setting of oil gas handing-over air seal circle, has solved the not good problem of current device sealed effect.
Description
Technical Field
The utility model relates to the technical field of brake sealing, in particular to a novel hydro-generator brake oil-gas connection lip-shaped sealing combination device.
Background
The brake (also called air brake) is an important device for stopping and repairing a generator in a hydroelectric power generation system, and the key for determining the service performance of the brake is a sealing piece.
The existing brake comprises an air cavity and an oil cavity, so that a sealing member is required to be simultaneously suitable for air sealing and oil sealing, and the traditional O-shaped ring scheme is damaged along with the rolling of the piston, so that the sealing effect is not ideal.
Therefore, we propose a novel hydro-generator brake oil-gas connection lip seal combination device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel hydraulic generator brake oil-gas connection lip-shaped sealing combination device, which solves the problem that the sealing effect is poor due to poor stability of a sealing ring when a piston of the conventional device moves.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a novel hydraulic generator stopper oil gas handing-over lip seal composite set, includes the cylinder body, supreme piston seal and the airtight of having assembled in proper order is followed to the inboard of cylinder body, and still be equipped with on the inner wall of cylinder body with airtight outer wall direct contact's the piece of accepting, be equipped with on the airtight outer wall and accept the one-way lip air seal circle that the piece contacted, and the cover is equipped with the two-way lip air seal circle with cylinder body inner wall direct contact on the airtight outer wall, in addition, still be equipped with oil gas handing-over air seal circle on the sealed outer wall of piston.
Preferably, the outer wall of the one-way lip-shaped air sealing ring is fixedly provided with three sealing lips with the inclination angles of 60 degrees, and the three sealing lips are provided with two oil storage tanks.
Preferably, two sealing lips with the same outward deflection angle are fixedly mounted on the outer wall of the bidirectional lip-shaped air sealing ring, and an oil storage tank is arranged between the two sealing lips.
Preferably, fixed mounting has two seal lips that lean out the angle the same on the outer wall of oil gas handing-over gas seal circle, two still be provided with the oil storage tank between the seal lip, and the thickness of right side seal lip is the twice of left side seal lip.
Preferably, the root parts of the inner walls of the unidirectional lip-shaped air sealing ring, the bidirectional lip-shaped air sealing ring and the oil-gas connecting air sealing ring are all in tooth shapes.
Preferably, the corners of the outer ends of the one-way lip-shaped air seal ring, the two-way lip-shaped air seal ring and the oil-gas cross-connection air seal ring are all arranged to be right-angled, and the inner wall of the oil storage tank between every two seal lips is all arranged to be arc-shaped.
(III) advantageous effects
The utility model provides a novel hydro-power generator brake oil-gas connection lip seal combined device. The method has the following beneficial effects:
1. this novel hydraulic generator brake oil gas handing-over lip seal composite set, through the setting of one-way lip air seal circle and two-way lip air seal circle, can guarantee the leakproofness between airtight during operation and the outer wall, cooperate the setting of its one-way lip air seal circle and the outside a plurality of sealing lips of two-way lip air seal circle simultaneously, sealed effect when having guaranteed the airtight motion, and the sealed effect when piston seal piston motion has also been guaranteed in setting up of oil gas handing-over air seal circle, sealing washer stability is not good and lead to the not good problem of sealed effect when having solved current device piston motion.
2. This novel hydraulic generator stopper oil gas handing-over lip seal composite set is through one-way lip air seal circle, two-way lip air seal circle and oil gas handing-over air seal circle outside oil storage tank be in, guaranteed that one-way lip air seal circle, two-way lip air seal circle and oil gas handing-over air seal circle during operation possess lower coefficient of friction to reduce the friction loss of its during operation, prolonged the life of each sealing washer in the device.
3. This novel hydraulic generator stopper oil gas handing-over lip seal composite set through the setting that two seal lips differ in oil gas handing-over air seal circle outside thickness, not only can guarantee its and the outer wall between the double seal effect, can also guarantee the leakproofness to the high-pressure side through the setting of the thick seal lip in right side.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic structural diagram of the present invention.
In the figure: 1. a cylinder body; 2. sealing the piston; 3. air sealing; 4. a bearing block; 5. a one-way lip-shaped air seal ring; 6. a bidirectional lip-shaped air seal ring; 7. oil gas cross-over gas seal circle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a novel hydraulic generator brake oil-gas handover lip seal combination device comprises a cylinder body 1, wherein a piston seal 2 and an air seal 3 are sequentially assembled on the inner side of the cylinder body 1 from bottom to top, a bearing block 4 which is in direct contact with the outer wall of the air seal 3 is also assembled on the inner wall of the cylinder body 1, a one-way lip gas seal ring 5 which is in contact with the bearing block 4 is assembled on the outer wall of the air seal 3, a two-way lip gas seal ring 6 which is in direct contact with the inner wall of the cylinder body 1 is sleeved on the outer wall of the air seal 3, and an oil-gas handover gas seal ring 7 is also assembled on the outer wall of the piston seal 2;
wherein, in this embodiment, need to supplement the explanation be, this neotype hydraulic generator stopper oil gas handing-over lip seal composite set, through the setting of one-way lip air seal circle 5 and two-way lip air seal circle 6, can guarantee the leakproofness between airtight 3 during operations and the outer wall, cooperate the setting of its one-way lip air seal circle 5 and the outside a plurality of seal lips of two-way lip air seal circle 6 simultaneously, sealed effect when having guaranteed airtight 3 motions, and the sealed effect when the piston seals 2 piston motions has also been guaranteed in the setting of oil gas handing-over air seal circle 7, the sealing washer stability is not good and lead to the not good problem of sealed effect when having solved current device piston motion.
In this embodiment, it should be added that three seal lips with 60 ° inclination angles are fixedly installed on the outer wall of the one-way lip-shaped air seal ring 5, and two oil storage tanks are further provided between the three seal lips;
in this embodiment, it should be further added that two sealing lips with the same outward deflection angle are fixedly installed on the outer wall of the bidirectional lip-shaped air sealing ring 6, and an oil storage tank is arranged between the two sealing lips;
in this embodiment, it should be further added that two sealing lips with the same outward inclination angle are fixedly installed on the outer wall of the oil-gas cross-connection air sealing ring 7, an oil storage tank is further disposed between the two sealing lips, and the thickness of the right sealing lip is twice that of the left sealing lip;
according to the novel hydraulic generator brake oil-gas cross-connection lip-shaped sealing combination device, the oil storage groove on the outer side of the one-way lip-shaped air sealing ring 5, the two-way lip-shaped air sealing ring 6 and the oil-gas cross-connection air sealing ring 7 is arranged, so that the one-way lip-shaped air sealing ring 5, the two-way lip-shaped air sealing ring 6 and the oil-gas cross-connection air sealing ring 7 have lower friction coefficients when working, friction loss of the one-way lip-shaped air sealing ring 5, the two-way lip-shaped air sealing ring 6 and the oil-gas cross-connection air sealing ring 7 when working is reduced, and the service life of each sealing ring in the device is prolonged;
in addition, this neotype hydraulic generator stopper oil gas handing-over lip seal composite set through the setting of 7 outside thickness of oil gas handing-over air seal circle two seal lips of differing, not only can guarantee its and the outer wall between the double seal effect, can also guarantee the leakproofness to the high-pressure side through setting up of the thick seal lip in right side.
In this embodiment, it should be added that the roots of the inner walls of the unidirectional lip-shaped air seal ring 5, the bidirectional lip-shaped air seal ring 6 and the oil-gas cross-connecting air seal ring 7 are all provided with tooth shapes;
wherein, through the setting of its root profile of tooth, make the sealing washer embrace equipment better to increase its stability of during operation, can not take place relative slip.
In this embodiment, it should be added that the corners of the outer ends of the unidirectional lip-shaped air seal ring 5, the bidirectional lip-shaped air seal ring 6 and the oil-gas cross-connecting air seal ring 7 are all set to be right-angled, and the inner wall of the oil storage tank between every two seal lips is set to be arc-shaped;
wherein, the setting of circular-arc oil storage tank is convenient for the seal lip of both sides to take place corresponding deformation, is convenient for its inner wall directly and equipment contact simultaneously to guarantee the device's lubricated effect, reduce the friction loss.
The working principle and the using process of the utility model are as follows: when piston seal 2 and airtight 3 take place synchronous piston motion, its leakproofness has been guaranteed in the setting of the one-way lip air seal ring 5 and the multiple seal lip of two-way lip air seal ring 6 in the airtight 3 outside, the corresponding deformation also can take place according to the both sides wall that the pressure is different for the seal lip that the oil gas of the 2 outside of piston seal 7 thickness of joining in marriage differs simultaneously, thereby the stability of the device has been guaranteed, avoid its during operation to roll and lead to the not good condition of sealed effect to appear, one-way lip air seal ring 5 simultaneously, the setting of each oil storage tank on two-way lip air seal ring 6 and the 7 outer walls of oil gas joining in marriage air seal ring can fully contact with the working wall according to deformation, reach high-efficient lubricated effect, reduce its friction loss, thereby reach extension sealing washer life's effect.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel hydroelectric generator brake oil gas handing-over lip seal composite set which characterized in that: including cylinder body (1), the inboard of cylinder body (1) is from supreme piston seal (2) and the airtight (3) of being equipped with in proper order down, and still be equipped with on the inner wall of cylinder body (1) and airtight (3) outer wall direct contact's the piece (4) that holds, be equipped with on the outer wall of airtight (3) and hold one-way lip shape air seal circle (5) that piece (4) contacted, and the cover is equipped with on the outer wall of airtight (3) with cylinder body (1) inner wall direct contact's two-way lip shape air seal circle (6), in addition, still be equipped with oil gas cross-over on the outer wall of piston seal (2) and connect air seal circle (7).
2. The novel hydro-power generator brake oil-gas handover lip seal combination device according to claim 1, wherein: the outer wall of the one-way lip-shaped air sealing ring (5) is fixedly provided with a sealing lip with three inclination angles of 60 degrees, and the three sealing lips are provided with two oil storage tanks.
3. The novel hydro-power generator brake oil-gas handover lip seal combination device according to claim 1, wherein: two sealing lips with the same outward deflection angle are fixedly mounted on the outer wall of the bidirectional lip-shaped air sealing ring (6), and an oil storage tank is arranged between the two sealing lips.
4. The novel hydro-power generator brake oil-gas handover lip seal combination device according to claim 1, wherein: fixed mounting has two seal lips that lean out the angle the same on the outer wall of oil gas cross-over gas seal circle (7), two still be provided with the oil storage tank between the seal lip, and the thickness of right side seal lip is the twice of the seal lip on the left side.
5. The novel hydro-power generator brake oil-gas handover lip seal combination device according to claim 1, wherein: the root parts of the inner walls of the unidirectional lip-shaped air sealing ring (5), the bidirectional lip-shaped air sealing ring (6) and the oil-gas cross-connecting air sealing ring (7) are all in tooth shapes.
6. The novel hydro-power generator brake oil-gas handover lip seal combination device according to claim 1, wherein: the corner of the outer end of the one-way lip-shaped air seal ring (5), the two-way lip-shaped air seal ring (6) and the oil-gas cross-connection air seal ring (7) is set to be right-angled, and the inner wall of the oil storage tank between every two seal lips is set to be circular-arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216712.5U CN215806292U (en) | 2021-09-14 | 2021-09-14 | Novel hydraulic generator brake oil gas handing-over lip seal combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216712.5U CN215806292U (en) | 2021-09-14 | 2021-09-14 | Novel hydraulic generator brake oil gas handing-over lip seal combination device |
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| Publication Number | Publication Date |
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| CN215806292U true CN215806292U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122216712.5U Active CN215806292U (en) | 2021-09-14 | 2021-09-14 | Novel hydraulic generator brake oil gas handing-over lip seal combination device |
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| CN (1) | CN215806292U (en) |
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2021
- 2021-09-14 CN CN202122216712.5U patent/CN215806292U/en active Active
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