CN209041546U - A kind of contact type sealing structure - Google Patents
A kind of contact type sealing structure Download PDFInfo
- Publication number
- CN209041546U CN209041546U CN201821536096.3U CN201821536096U CN209041546U CN 209041546 U CN209041546 U CN 209041546U CN 201821536096 U CN201821536096 U CN 201821536096U CN 209041546 U CN209041546 U CN 209041546U
- Authority
- CN
- China
- Prior art keywords
- sealing liquid
- driving sleeve
- rotation axis
- ring
- contact type
- 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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- Mechanical Sealing (AREA)
Abstract
The utility model proposes a kind of contact type sealing structures, including a rotation axis and the driving sleeve being sheathed in rotation axis, it is fixedly installed between the driving sleeve and rotation axis, a sealing liquid shell is arranged with outside driving sleeve, sealing liquid shell is fixedly connected with an end cap being sheathed in rotation axis, and the sealing liquid shell and end cap are fixedly installed, the first gap is provided between one end and rotation axis of the driving sleeve, the first rotating ring and the first stationary ring are set side by side in first gap, the first flexible connector is provided between first rotating ring and driving sleeve, the second rotating ring and the second stationary ring are set side by side between the outer surface and sealing liquid shell of the driving sleeve, second rotating ring is connect by the second flexible connector with sealing liquid shell, sealing liquid entrance and sealing liquid outlet are additionally provided on the sealing liquid shell, first rotating ring with A sealing ring is provided between transmission shaft.The utility model is while guaranteeing sealing structure effect, the service life of extending structure.
Description
Technical field
The utility model belongs to technical field of sealing technology, in particular to a kind of contact type sealing structure.
Background technique
In technical field of sealing technology, whether is contacted by sealing element with the components that it is performed relative motion, it is close contact can be divided into
Envelope and non-contacting seal.Contact seal has better seal effect for non-contacting seal, still, many
Well known, contact seal is due to there is a contact, the presence of inevitable fretting wear, therefore with the progress used, will lead to
The decline of sealing effect reduces the service life of sealing structure, increases cost and expense expenditure.
Therefore, it in view of above scheme in actual fabrication and in place of implementing using upper missing, and corrected, improved, together
When in line with the spirit and theory asked, and by the knowledge of profession, the auxiliary of experience, and after multi-party clever thought, test, just found
The utility model out, spy provide a kind of contact type sealing structure again, can be close in guarantee by the combination of multiple groups rotating ring and stationary ring
While sealing effect, reduced to a certain extent because being worn caused by contact position friction, the service life of extending structure.
Summary of the invention
The utility model proposes a kind of contact type sealing structures, solve the problems of the prior art.
The technical solution of the utility model is achieved in that contact type sealing structure, including a rotation axis and is arranged
It in the driving sleeve in rotation axis, is fixedly installed between driving sleeve and rotation axis, is arranged with a sealing liquid shell outside driving sleeve,
Sealing liquid shell is fixedly connected with an end cap being sheathed in rotation axis, and sealing liquid shell and end cap are fixedly installed, driving sleeve
It is provided with the first gap between one end and rotation axis, the first rotating ring and the first stationary ring are set side by side in the first gap, first is dynamic
It is provided with the first flexible connector between ring and driving sleeve, is set side by side between the outer surface and sealing liquid shell of driving sleeve
Second rotating ring and the second stationary ring, the second rotating ring are connect with sealing liquid shell by the second flexible connector, are also set up on sealing liquid shell
There are sealing liquid entrance and sealing liquid outlet, a sealing ring is provided between the first rotating ring and transmission shaft.
As a preferred embodiment, the first flexible connector and the second flexible connector are spring.
As a preferred embodiment, the first stationary ring and end cap are fixedly installed, the second stationary ring is fixed with sealing liquid shell
Setting.
As a preferred embodiment, driving sleeve includes the first cylinder being wholely set, the second cylinder and
Three cylinders reserve the first gap between the second cylinder and rotation axis, the internal diameter of third cylinder is equal with the internal diameter of the second cylinder, the
The outer diameter of three cylinders is greater than the outer diameter of the second cylinder.
As a preferred embodiment, the first cylinder is provided with the first blind hole, the first elasticity by one end of proximal cover
Connector partially protrudes into first blind hole and the fixed setting of the end of the first flexible connector.
As a preferred embodiment, third cylinder is provided with the second blind hole, the second elasticity far from one end of end cap
Connector partially protrudes into second blind hole and the fixed setting of the end of the second flexible connector.
As a preferred embodiment, end cap in rotation axis along a ring-shaped depression is above provided with, first is quiet
Ring is caught in ring-shaped depression.
As a preferred embodiment, sealing liquid entrance is located at the bottom of sealing liquid shell, sealing liquid entrance is located at sealing liquid shell
The top of body.
As a preferred embodiment, solid by the first bolt being axially arranged between driving sleeve and rotation axis
It is fixed.
As a preferred embodiment, being fixed between sealing liquid shell and end cap by the second bolt being arranged radially.
After above-mentioned technical proposal, the beneficial effects of the utility model are: pass through the combination of multiple groups rotating ring and stationary ring,
The sealing between rotation axis and end cap contact position and between driving sleeve and sealing liquid shell is realized, and at the same time avoiding
The severe friction of a few place positions, to extend the service life of this contact type sealing structure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1- sealing liquid entrance;The second rotating ring of 2-;The second stationary ring of 3-;4- driving sleeve;The first rotating ring of 5-;6- first is quiet
Ring;The outlet of 7- sealing liquid;8- rotation axis;9- sealing liquid shell;10- end cap;The first flexible connector of 11-;12- third elastic connection
Part;The second flexible connector of 13-;14- sealing ring.
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 creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, this contact type sealing structure, including a rotation axis 8 and the driving sleeve being sheathed in rotation axis 8
4, it is fixedly installed between driving sleeve 4 and rotation axis 8, a sealing liquid shell 9 is arranged with outside driving sleeve 4, sealing liquid shell 9 is fixed to be connected
Be connected to an end cap 10 being sheathed in rotation axis 8, and sealing liquid shell 9 and end cap 10 are fixedly installed, one end of driving sleeve 4 with
It is provided with the first gap between rotation axis 8, the first rotating ring 5 and the first stationary ring 6, the first rotating ring 5 are set side by side in the first gap
It is provided with the first flexible connector 11 between driving sleeve 4, is set side by side between the outer surface and sealing liquid shell 9 of driving sleeve 4
It is equipped with the second rotating ring 2 and the second stationary ring 3, the second rotating ring 2 is connect by the second flexible connector 13 with sealing liquid shell 9, sealing liquid shell
It is additionally provided with sealing liquid entrance 1 and sealing liquid outlet 7 on body 9, a sealing ring 14 is provided between the first rotating ring 5 and transmission shaft.First
It is provided with third flexible connector 12 between the side wall and driving sleeve 4 of rotating ring 5, third flexible connector 12 includes but is not limited to
Spring, the both ends of spring are fixedly installed with the first rotating ring 5 and driving sleeve 4 respectively.
Based on this, this contact type sealing structure by 1 feed liquor of sealing liquid entrance, feed liquor by the first rotating ring 5 and driving sleeve 4 it
Between enter between the first rotating ring 5 and rotation axis 8 and rotation axis 8 be lubricated, reduce the abrasion of rotation axis 8, at the same by
The first stationary ring 6 is provided between rotation axis 8 and end cap 10, and the side of the first stationary ring 6 is provided with the first rotating ring 5, and
One rotating ring 5 is fixed by spring and driving sleeve 4, therefore sealing liquid will not be flowed out from the first stationary ring 6, realizes rotation axis 8 and end
On the other hand sealing between lid 10 is provided with the second stationary ring 3, and quiet second between driving sleeve 4 and sealing liquid shell 9
The second rotating ring 2 is additionally provided between ring 3 and driving sleeve 4, thus also avoid feed liquor from driving sleeve 4 and sealing liquid shell 9 it
Between flow out, realize the sealing at the position.
First flexible connector 11 and the second flexible connector 13 are spring.First stationary ring 6 is set with the fixation of end cap 10
It sets, the second stationary ring 3 is fixedly installed with sealing liquid shell 9.Driving sleeve 4 include be wholely set the first cylinder, the second cylinder and
Third cylinder reserves the first gap, the internal diameter phase of the internal diameter of third cylinder and the second cylinder between the second cylinder and rotation axis 8
It is greater than the outer diameter of the second cylinder Deng the outer diameter of, third cylinder.First cylinder is provided with the first blind hole by one end of proximal cover 10, the
One flexible connector 11 partially protrudes into first blind hole and the fixed setting of the end of the first flexible connector 11.Third cylinder is remote
One end from end cap 10 is provided with the second blind hole, and the second flexible connector 13 partially protrudes into second blind hole and the second elasticity connects
The end of fitting 13 is fixedly installed.Driving sleeve 4 and the first rotating ring 5 are connected using the first flexible connector 11, when rotation axis 8 is sent out
When raw axial bounce is displaced, it can make the first rotating ring 5 that certain displacement occur therewith, without directly making the first rotating ring 5
Violent friction occurs for inner surface and rotation axis 8, ensure that the gap between the first rotating ring 5 and rotation axis 8 is sufficiently small, and extending should
The service life of the two connects driving sleeve 4 and the second rotating ring 2 using the second flexible connector 13, due to driving sleeve 4 and turns
Moving axis 8 is fixedly installed, therefore certain axial displacement may also occur with rotation axis 8 for driving sleeve 4, and the second flexible connector
13 allow the second rotating ring 2 that axial displacement to occur therewith, and avoid occurring acutely between the second rotating ring 2 and driving sleeve 4
The service life for extending the rwo while sealing is realized in friction.
Along a ring-shaped depression is above provided in rotation axis 8, the first stationary ring 6 is caught in ring-shaped depression end cap 10.Envelope
Liquid entrance 1 is located at the bottom of sealing liquid shell 9, and sealing liquid entrance 1 is located at the top of sealing liquid shell 9.Driving sleeve 4 and rotation axis 8 it
Between fixed by the first bolt for being axially arranged.It is solid by the second bolt being arranged radially between sealing liquid shell 9 and end cap 10
It is fixed.
The working principle of the contact type sealing structure is: by the combination of multiple groups rotating ring and stationary ring, realize rotation axis 8 with
Between 10 contact position of end cap and the sealing between driving sleeve 4 and sealing liquid shell 9, and at the same time avoiding several places positions
The severe friction set, to extend the service life of this contact type sealing structure.The foregoing is merely the preferable of the utility model
Embodiment is not intended to limit the utility model, within the spirit and principle of the utility model, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of contact type sealing structure, which is characterized in that including a rotation axis and the driving sleeve being sheathed in rotation axis,
It is fixedly installed between the driving sleeve and rotation axis, is arranged with a sealing liquid shell outside driving sleeve, sealing liquid shell is fixedly connected
Have an end cap being sheathed in rotation axis, and the sealing liquid shell and end cap are fixedly installed, one end of the driving sleeve with turn
It is provided with the first gap between moving axis, the first rotating ring and the first stationary ring are set side by side in first gap, described first is dynamic
It is provided with the first flexible connector between ring and driving sleeve, is set side by side between the outer surface and sealing liquid shell of the driving sleeve
It is equipped with the second rotating ring and the second stationary ring, the second rotating ring is connect by the second flexible connector with sealing liquid shell, the sealing liquid shell
On be additionally provided with sealing liquid entrance and sealing liquid outlet, be provided with a sealing ring between first rotating ring and transmission shaft.
2. contact type sealing structure according to claim 1, which is characterized in that first flexible connector and the second bullet
Property connector is spring.
3. contact type sealing structure according to claim 2, which is characterized in that first stationary ring is set with end cap fixation
It sets, second stationary ring and sealing liquid shell are fixedly installed.
4. contact type sealing structure according to claim 3, which is characterized in that the driving sleeve includes being wholely set
First cylinder, the second cylinder and third cylinder reserve first gap, the third cylinder between the second cylinder and rotation axis
The internal diameter of body is equal with the internal diameter of the second cylinder, and the outer diameter of the third cylinder is greater than the outer diameter of the second cylinder.
5. contact type sealing structure according to claim 4, which is characterized in that first cylinder leans on one end of proximal cover
It is provided with the first blind hole, the first flexible connector partially protrudes into first blind hole and the fixation of the end of the first flexible connector is set
It sets.
6. contact type sealing structure according to claim 5, which is characterized in that the described one end of third cylinder far from end cap
It is provided with the second blind hole, the second flexible connector partially protrudes into second blind hole and the fixation of the end of the second flexible connector is set
It sets.
7. contact type sealing structure according to claim 6, which is characterized in that the end cap is in the rotation axis
A ring-shaped depression is provided on edge, first stationary ring is caught in the ring-shaped depression.
8. contact type sealing structure according to claim 7, which is characterized in that the sealing liquid entrance is located at the sealing liquid shell
The bottom of body, the sealing liquid entrance are located at the top of the sealing liquid shell.
9. contact type sealing structure according to claim 8, which is characterized in that lead between the driving sleeve and rotation axis
The first bolt being axially arranged is crossed to fix.
10. contact type sealing structure according to claim 9, which is characterized in that lead between the sealing liquid shell and end cap
The second bolt being arranged radially is crossed to fix.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821536096.3U CN209041546U (en) | 2018-09-19 | 2018-09-19 | A kind of contact type sealing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821536096.3U CN209041546U (en) | 2018-09-19 | 2018-09-19 | A kind of contact type sealing structure |
Publications (1)
Publication Number | Publication Date |
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CN209041546U true CN209041546U (en) | 2019-06-28 |
Family
ID=67033846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821536096.3U Expired - Fee Related CN209041546U (en) | 2018-09-19 | 2018-09-19 | A kind of contact type sealing structure |
Country Status (1)
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CN (1) | CN209041546U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111570998A (en) * | 2020-06-09 | 2020-08-25 | 深圳市劲拓自动化设备股份有限公司 | Vacuum welding equipment for circuit board |
-
2018
- 2018-09-19 CN CN201821536096.3U patent/CN209041546U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111570998A (en) * | 2020-06-09 | 2020-08-25 | 深圳市劲拓自动化设备股份有限公司 | Vacuum welding equipment for circuit board |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20210919 |
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CF01 | Termination of patent right due to non-payment of annual fee |