CN206320295U - Rotate the liquid sealing structure of machinery - Google Patents
Rotate the liquid sealing structure of machinery Download PDFInfo
- Publication number
- CN206320295U CN206320295U CN201621479412.9U CN201621479412U CN206320295U CN 206320295 U CN206320295 U CN 206320295U CN 201621479412 U CN201621479412 U CN 201621479412U CN 206320295 U CN206320295 U CN 206320295U
- Authority
- CN
- China
- Prior art keywords
- intake chute
- seal
- capping
- sealing structure
- radial direction
- 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.)
- Withdrawn - After Issue
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Abstract
A rotating machinery liquid sealing structure, including rotating sleeve in a block on a shaft, shaft described from the liquid cavity extend to mentioned cavity, described in the block is fixed to the liquid cavity with sealing compound liquid cavity, block is described and the installation of rotating shaft described mounting holes, described in the installation hole wall is equipped with drainage trough, described in the liquid seal structure includes described in cavity of seal, seal fixed installation on the rotating shaft described described in as described in the axis of rotation, described the seals with guide liquid tank wall near a stated, it is the seals as described in the axis of rotation, to seal the leakage wall leakage liquid can under the action of centrifugal force is flung to the mentioned tank and described by the drainage channel flow back to the liquid cavity.
Description
Technical field
It is more particularly to a kind of to rotate mechanical liquid sealing structure the present invention relates to machinery is rotated.
Background technology
High-speed electric expreess locomotive uses sliding bearing more because rotating speed is tall and big, therefore feed lubrication is essential condition.
But in some cases, it is easy to cause oily leakage, cause unnecessary waste, and pollute the environment.And due to bearing
Inner side is all negative pressure, and the oil of leakage may be inhaled into motor body, or even is infiltrated into machine winding, hinders the normal fortune of motor
Turn, substantially reduce the service life of motor.Therefore, it is this area to find a kind of sealing structure that can effectively prevent that oil from leaking
Technical staff's urgent problem to be solved.
The content of the invention
In view of this, the present invention proposes a kind of liquid sealing structure for rotating machinery.
The present invention proposes a kind of liquid sealing structure for rotating machinery, including the capping that turning set is located in a rotating shaft, institute
State rotating shaft to extend to out of a fluid chamber outside the fluid chamber, the capping is fixed to the fluid chamber to seal the liquid
Chamber, the capping has the mounting hole installed with the rotating shaft, and the mounting hole internal face is provided with intake chute, the hydraulic seal
Structure also includes the seal being located in the fluid chamber, and the seal is fixedly installed in the rotating shaft with the rotating shaft
Rotate, the seal have one close to the intake chute wall, when the seal is with the axis of rotation, leak out to
The effusion of the wall of the seal can be thrown toward the intake chute under the influence of centrifugal force and through the intake chute stream
It is back to the fluid chamber.
In one embodiment, the seal includes annular body with mounting hole and along the annular body inner circumferential
The axially extending axle sleeve of edge, the seal wall is the outer surface of the axle sleeve, and the capping rotates and is set in the axle sleeve
Outer surface on.
In one embodiment, the intake chute includes radial direction intake chute and the axial drain connected with the radial direction intake chute
Groove, the effusion is thrown toward the radial direction intake chute, then flow back into the fluid chamber through the axial intake chute.
In one embodiment, the radial direction intake chute is annular, along the circumferencial direction of the mounting hole internal face of the capping
Extension.
In one embodiment, the radial direction intake chute has a plurality of, and every radial direction intake chute all connects with the axial intake chute
It is logical so that the axial intake chute can be converged into by getting rid of to the effusion of the radial direction intake chute.
In one embodiment, a space, the intake chute and the space are formed between the seal and the capping
Connection.
In one embodiment, the radially outer edge of the annular body forms an annular flange towards the capping extension, described
Space is annular space, is surrounded and is formed by the annular body, the annular flange, the axle sleeve and the capping, the ring
Shape flange is provided with through hole, and the through hole connects the annular space and the fluid chamber.
In one embodiment, the intake chute is included along many of the circumferencial direction extension of the mounting hole internal face of the capping
Bar radial direction intake chute and the axial intake chute connected with the radial direction intake chute, the effusion are thrown toward the radial direction drain
Groove, then flows to the annular space through the axial intake chute.
In one embodiment, the capping is included outside a central part towards seal projection, the central part
Footpath is less than the internal diameter of the annular flange, and the annular flange and the central part are local in the axial direction overlapping.
In certain embodiments, the fluid chamber is the oil pocket for accommodating lubricating oil.
In summary, the invention provides a kind of liquid sealing structure for rotating machinery.One is set to seal in fluid chamber
Part, fluid chamber is sealed using capping, and capping is rotated and is set on the wall of seal, is set on the mounting hole internal face of capping
Intake chute, intake chute is connected with fluid chamber.When seal is with axis of rotation, the effusion of seal wall is leaked out to, for example, is moistened
Lubricating oil can be got rid of into intake chute under the action of the centrifugal force, then through intake chute flow back fluid body cavity, is reclaimed, and effectively play sealing
Effect.And the rotating speed of rotating shaft is bigger, sealing effectiveness is better.In addition, also forming one and fluid chamber between seal and capping
The annular space of connection, the annular flange of seal is locally overlapping with the central part covered, reduces fluid chamber and annular space
Connected entrance, can further it is smaller oil leakage probability.The hydraulic seal mechanism of the present invention is novel, designs ingenious, can be effective
Prevent from rotating machinery, the particularly oily leakage problem of high-speed electric expreess locomotive.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the liquid sealing structure of the present invention.
Fig. 2 is the dimensional structure diagram of the capping of the present invention.
Embodiment
Before describing the embodiments in more detail, it should be understood that the invention is not restricted to institute hereafter or in accompanying drawing in the application
The detailed construction or arrangement of elements of description.The embodiment that the present invention can realize for other manner.Furthermore, it is to be understood that this paper institutes
The wording and term used is solely for describing purposes, should not the explanation of being construed as limiting property." comprising " used herein, "comprising",
The similar wording such as " having " is meant comprising items listed thereafter, its equivalent and other additional things.Particularly, description is worked as
When " certain element ", the quantity that the present invention does not limit the element can also include multiple as one.
Liquid sealing structure is described in detail by taking the sliding bearing of high-speed electric expreess locomotive as an example by the present invention.
As shown in Figure 1-2, the present invention provides a kind of liquid sealing structure 10 for rotating machinery, and the liquid sealing structure 10 is wrapped
Include rotating shaft 12, capping 14, seal 16.Rotating shaft 12 is extended to outside fluid chamber 18 out of a fluid chamber 18, by taking Fig. 1 as an example, capping
14 left side is fluid chamber 18, and the right side of capping 14 is outside.In an illustrated embodiment, fluid chamber 18 can be equipped with lubrication
The oil pocket of oil.Capping 14 is fixed to fluid chamber 18 to seal fluid chamber 18, and seal 16 is located in fluid chamber 18, and is fixedly mounted
To be rotated with rotating shaft 12 in rotating shaft 12.
More specifically, capping 14 has the mounting hole 20 installed with rotating shaft 12, the internal face of mounting hole 20 is provided with intake chute,
Intake chute is connected with fluid chamber 18.Seal 16 have one close to the intake chute wall 22.Because seal 16 is to be located at
In fluid chamber 18, therefore the liquid in fluid chamber 18, such as lubricating oil can ooze out from the wall 22 of seal 16.Work as seal
16 with rotating shaft 12 when rotating, and leaking out to the effusion of the wall 22 of seal 16 can be thrown toward and wall under the influence of centrifugal force
In 22 close intake chutes, and flow back into through intake chute in fluid chamber 18.And the rotating speed of rotating shaft 12 is higher, the wall of seal 16
It is bigger that effusion on face 22 is got rid of centrifugal force into intake chute, therefore the sealing effectiveness of liquid sealing structure 10 can be better.
In an illustrated embodiment, seal 16 includes annular body 24 and axle sleeve 26.Annular body 24 has one to be used to
The mounting hole installed with rotating shaft 12, axle sleeve 26 is the inner peripheral axially extending formation along annular body 24, and is set in rotating shaft
On 12.The wall 22 of above-mentioned seal 16 is the outer surface 22 of axle sleeve 26.The radially outer edge direction capping 14 of annular body 24
Extension forms an annular flange 30.
A space 32 is formed between seal 16 and capping 14, the intake chute is connected with space 32, to cause intake chute
In lubricating oil can be in inflow space 32.Specifically, space 32 is by annular body 24, annular flange 30, axle sleeve 26 and envelope
Lid 14 surrounds the annular space 32 centered on rotating shaft 12 to be formed.Annular flange 30 be provided with through hole 31, through hole 31 respectively with
Annular space 32 is connected with fluid chamber 18.
In an illustrated embodiment, capping 14 is rotated and is set on the outer surface 22 of axle sleeve 26.Capping 14 includes a direction
The raised central part 34 of seal 16.The external diameter of central part 34 is less than the internal diameter of the annular flange 30 of seal 16, and annular
Flange 30 is local in the axial direction overlapping with central part 34.More particularly, above-mentioned annular space 32 is by the annular of seal 16
Main body 24, annular flange 30, axle sleeve 26 and the central part 34 of capping 14 surround to be formed.
The intake chute is arranged on the internal face of capping mounting hole 20.In the present embodiment, the mounting hole 20 of capping 14
Internal face is actually the internal face of the radially inner side of central part 34, therefore, and intake chute is alternatively into being provided in center
On the internal face of the radially inner side in portion 34.
Intake chute includes radial direction intake chute 36 and the axial intake chute 38 connected with radial direction intake chute 36, radial direction intake chute 36
Notch it is relative with the outer surface of axle sleeve 26, axial intake chute 38 is connected with fluid chamber 18.Radial direction intake chute 36 is annular, along envelope
The circumferencial direction extension of the internal face of the mounting hole 20 of lid 14.In the present embodiment, radial direction intake chute 36 is set to two.Therefore,
When rotating shaft 12 is rotated, penetrating fluid is got rid of into radial direction intake chute 36 from the outer surface 22 of axle sleeve 26 before this, then from radial direction intake chute 36
In flow into axial intake chute 38, then warp beam flows to fluid chamber 18 to intake chute 38.
It should be appreciated that in an illustrated embodiment, radial direction intake chute 36 is set to two, in other embodiments,
According to specific design demand, radial direction intake chute 36 it can also be provided that a plurality of, every radial direction intake chute 36 all with axial intake chute
38 connections so that axial intake chute 38 can be converged into by getting rid of to the effusion of radial direction intake chute 36.
In the present embodiment, central part 34 is connected with annular space 32, and the footpath in the axial centrally disposed portion 34 of intake chute 38
To on the inner surface of inner side, the outlet of axial intake chute 38 is also configured as connecting with annular space 32.Therefore, when rotating shaft 12 is rotated
When, penetrating fluid is got rid of into radial direction intake chute 36 from the outer surface 22 of axle sleeve 26 before this, and then warp beam flows to annular to intake chute 38
In space 32, then out of, annular space 32 the flow back fluid body cavity 18 of through hole 31.
It should be appreciated that the embodiment of the sliding bearing of above-mentioned high-speed electric expreess locomotive is only the preferred embodiment of the present invention,
The present invention, which works as, to be not limited.The liquid sealing structure of the present invention can also be widely used in rotating machinery liquid it is close
Envelope, such as gear pump, bubble oil/water cooling etc..
In summary, the invention provides a kind of liquid sealing structure for rotating machinery.One is set to seal in fluid chamber
Part, fluid chamber is sealed using capping, and capping is rotated and is set on the wall of seal, is set on the mounting hole internal face of capping
Intake chute, intake chute is connected with fluid chamber.When seal is with axis of rotation, the effusion of seal wall is leaked out to, for example, is moistened
Lubricating oil can be got rid of into intake chute under the action of the centrifugal force, then through intake chute flow back fluid body cavity, is reclaimed, and effectively play sealing
Effect.And the rotating speed of rotating shaft is bigger, sealing effectiveness is better.In addition, also forming one and fluid chamber between seal and capping
The annular space of connection, the annular flange of seal is locally overlapping with the central part covered, reduces fluid chamber and annular space
Connected entrance, can further it is smaller oil leakage probability.The hydraulic seal mechanism of the present invention is novel, designs ingenious, can be effective
Prevent from rotating machinery, the particularly oily leakage problem of high-speed electric expreess locomotive.
Concepts described herein may be embodied to other forms in the case of without departing from its spirit and characteristic.It is disclosed
Specific embodiment should be considered as exemplary rather than restricted.Therefore, the scope of the present invention be by appended claim,
Rather than be determined according to these descriptions before.Any change in the letter and equivalency range of claim is all
The scope of these claims should be belonged to.
Claims (10)
1. a kind of liquid sealing structure for rotating machinery, including turning set the capping in the rotating shaft, the rotating shaft is from a liquid
Extended in body cavity outside the fluid chamber, the capping is fixed to the fluid chamber to seal the fluid chamber, it is characterised in that
The capping is provided with intake chute, the hydraulic seal knot with the mounting hole installed with the rotating shaft, the mounting hole internal face
Structure also includes the seal being located in the fluid chamber, and the seal is fixedly installed in the rotating shaft to turn with the rotating shaft
It is dynamic, the seal have one close to the intake chute wall, when the seal is with the axis of rotation, leak out to institute
The intake chute can be thrown toward under the influence of centrifugal force and be flowed back to through the intake chute by stating the effusion of the wall of seal
To the fluid chamber.
2. the liquid sealing structure as claimed in claim 1 for rotating machinery, it is characterised in that the seal includes having peace
Fill the annular body in hole and along the axially extending axle sleeve of the annular body inner peripheral, the seal wall is the axle sleeve
Outer surface, the capping rotates and is set on the outer surface of the axle sleeve.
3. the liquid sealing structure as claimed in claim 2 for rotating machinery, it is characterised in that the intake chute includes radial guiding
Liquid bath and the axial intake chute connected with the radial direction intake chute, the effusion are thrown toward the radial direction intake chute, Ran Houjing
The axial intake chute flow back into the fluid chamber.
4. the liquid sealing structure as claimed in claim 3 for rotating machinery, it is characterised in that the radial direction intake chute is ring
Shape, the circumferencial direction along the mounting hole internal face of the capping extends.
5. the liquid sealing structure as claimed in claim 4 for rotating machinery, it is characterised in that the radial direction intake chute has many
Bar, every radial direction intake chute is all connected with the axial intake chute so that getting rid of to the effusion of the radial direction intake chute to converge
It flow to the axial intake chute.
6. the liquid sealing structure as claimed in claim 2 for rotating machinery, it is characterised in that the seal and the capping
Between form a space, the intake chute is connected with the space.
7. the liquid sealing structure as claimed in claim 6 for rotating machinery, it is characterised in that the footpath of the annular body is outside
Edge forms an annular flange towards the capping extension, and the space is annular space, by the annular body, the convex annular
Edge, the axle sleeve and the capping surround to be formed, and the annular flange is provided with through hole, the through hole connect the annular space with
The fluid chamber.
8. the liquid sealing structure as claimed in claim 7 for rotating machinery, it is characterised in that the intake chute is included along described
The a plurality of radial direction intake chute of the circumferencial direction extension of the mounting hole internal face of capping and the axial direction connected with the radial direction intake chute
Intake chute, the effusion is thrown toward the radial direction intake chute, then flows to the annular space through the axial intake chute.
9. the liquid sealing structure as claimed in claim 7 for rotating machinery, it is characterised in that the capping includes one towards institute
The raised central part of seal is stated, the external diameter of the central part is less than the internal diameter of the annular flange, the annular flange and institute
State central part local in the axial direction overlapping.
10. the liquid sealing structure of the rotation machinery as described in claim 1-9 any one, it is characterised in that the liquid
Chamber is the oil pocket for accommodating lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479412.9U CN206320295U (en) | 2016-12-30 | 2016-12-30 | Rotate the liquid sealing structure of machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479412.9U CN206320295U (en) | 2016-12-30 | 2016-12-30 | Rotate the liquid sealing structure of machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320295U true CN206320295U (en) | 2017-07-11 |
Family
ID=59260672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479412.9U Withdrawn - After Issue CN206320295U (en) | 2016-12-30 | 2016-12-30 | Rotate the liquid sealing structure of machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763781A (en) * | 2016-12-30 | 2017-05-31 | 深圳智慧能源技术有限公司 | Rotate the liquid sealing structure of machinery |
| WO2018120131A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳智慧能源技术有限公司 | Liquid sealing structure for rotating machinery |
-
2016
- 2016-12-30 CN CN201621479412.9U patent/CN206320295U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763781A (en) * | 2016-12-30 | 2017-05-31 | 深圳智慧能源技术有限公司 | Rotate the liquid sealing structure of machinery |
| WO2018120131A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳智慧能源技术有限公司 | Liquid sealing structure for rotating machinery |
| CN106763781B (en) * | 2016-12-30 | 2019-04-30 | 深圳智慧能源技术有限公司 | Rotate mechanical liquid sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20190430 |
|
| AV01 | Patent right actively abandoned |