CN209511118U - A kind of double spherical surface mechanical shaft seals - Google Patents
A kind of double spherical surface mechanical shaft seals Download PDFInfo
- Publication number
- CN209511118U CN209511118U CN201920117719.1U CN201920117719U CN209511118U CN 209511118 U CN209511118 U CN 209511118U CN 201920117719 U CN201920117719 U CN 201920117719U CN 209511118 U CN209511118 U CN 209511118U
- Authority
- CN
- China
- Prior art keywords
- component
- spherical surface
- pedestal
- double spherical
- surface mechanical
- 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.)
- Active
Links
Abstract
The utility model provides a kind of double spherical surface mechanical shaft seals, belongs to mechanical seal field, this double spherical surface mechanical shaft seals, and the side for being connected to axis body upper pressure balance formula shaft seal assembly prevents fluid from overflowing, including quiet component, dynamic component and elastic parts；The pressure balanced shaft seal assembly is fixedly connected with the quiet component；Side of the quiet component far from the pressure balanced shaft seal assembly is in sealing contact with the dynamic component；The one end of the dynamic component far from the quiet component and the elastic parts act on, the other end and axis body secure fit of the elastic parts；The elastic parts has the movement tendency for making the dynamic component flexibly be bonded the quiet component.By double spherical surface mechanical shaft seals provided by the utility model, when being used cooperatively with pressure balanced shaft seal assembly, it is ensured that on the other hand the leakage problem of harsh operating condition also efficiently solves the cost control in seal process, reduce the wasting of resources.
Description
Technical field
The utility model relates to mechanical seal fields, in particular to a kind of double spherical surface mechanical shaft seals.
Background technique
Currently, the angled or radial misalignment for having there is a kind of permission sealing element to be dynamically responsive to axis in machinery field
Pressure balanced shaft seal assembly (application number: 201010129094.4), but this pressure balanced shaft seal assembly
In use need to supply pressurized fluid, pressurized fluid is after the pressurizing from the side of pressure balanced shaft seal assembly
It overflows, leads to the waste of resource, on the other hand can also pollute working environment.
Utility model content
The utility model provides a kind of double spherical surface mechanical shaft seals, it is intended to solve double spherical surface mechanical shaft seals in the prior art and deposit
The above problem.
The utility model is realized in this way:
A kind of double spherical surface mechanical shaft seals, the side for being connected to axis body upper pressure balance formula shaft seal assembly prevent stream
Body overflows, which is characterized in that including quiet component, dynamic component and elastic parts；
The pressure balanced shaft seal assembly is fixedly connected with the quiet component；
Side of the quiet component far from the pressure balanced shaft seal assembly is in sealing contact with the dynamic component；
The one end of the dynamic component far from the quiet component and the elastic parts act on, the other end of the elastic parts
With axis body secure fit；
The elastic parts has the movement tendency for making the dynamic component flexibly be bonded the quiet component.
In an embodiment of the present invention, the quiet component includes gland and stationary ring；
The gland is fixedly connected with the pressure balanced shaft seal assembly；
The stationary ring is arranged in side of the gland far from the pressure balanced shaft seal assembly, the stationary ring and
The first stop pin is provided between the gland.
In an embodiment of the present invention, the outer of the gland has backwards to the pressure balanced shaft seal
The extension edge that sub-assembly extends, stationary ring setting is between the extensions edge and the axis body, the extension edge and described quiet
The first sealing ring is provided between ring, first sealing ring is close to the extension edge and stationary ring setting.
In an embodiment of the present invention, the dynamic component includes rotating ring, and the stationary ring is close to the rotating ring
Side is inner arc contact surface, and the rotating ring is that the outer arc cooperated with the inner arc contact surface contacts close to the one side of the stationary ring
Face.
In an embodiment of the present invention, the dynamic component further includes throw-out collar, and the throw-out collar is fixedly connected on institute
Side of the rotating ring far from the stationary ring is stated, the elastic parts and the throw-out collar are cooperatively connected.
In an embodiment of the present invention, the dynamic component is provided with the second sealing close to the side of the axis body
Ring, second sealing ring are close to the dynamic component and axis body setting.
In an embodiment of the present invention, the elastic parts includes elastic component, pedestal and adjusting seat, the bottom
Circumferentially limit connects seat with the axis body, and described elastic component one end acts on the throw-out collar, and the other end acts on the pedestal, institute
It states side of the pedestal far from the elastic component to abut with the adjusting seat, the adjusting seat is fixedly connected with the axis body.
In an embodiment of the present invention, the adjusting seat includes pedestal and compressing member, the pedestal with it is described
Axis body is fixedly connected, and described compressing member one end abuts the pedestal, and the other end can be connect to locking with the compressing member, the pressure
Tight part being capable of the relatively described axial activity of pedestal.
In an embodiment of the present invention, the compressing member is provided with external screw thread far from one end of the pedestal,
The threaded hole with external screw thread cooperation is provided on the pedestal.
In an embodiment of the present invention, the second stop pin is provided between the pedestal and the dynamic component.
The beneficial effects of the utility model are: by double spherical surface mechanical shaft seals provided by the utility model, with pressure balance
When formula shaft seal assembly is used cooperatively, it is ensured that on the other hand the leakage problem of harsh operating condition also efficiently solves sealing
Cost control in the process reduces the wasting of resources.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the cross-sectional view for double spherical surface mechanical shaft seals that the utility model embodiment provides；
Fig. 2 is the partial enlarged view of a-quadrant in Fig. 1.
Icon: the quiet component of 010-；030- moves component；050- elastic parts；100- gland；200- stationary ring；110- extends edge；
The first stop pin of 210-；The first sealing ring of 230-；130- sealing ring；300- rotating ring；400- throw-out collar；The second sealing ring of 310-；
510- elastic component；530- pedestal；550- adjusting seat；551- pedestal；553- compressing member；The second stop pin of 330-；070- axis body.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment
A kind of double spherical surface mechanical shaft seals are present embodiments provided, Fig. 1 and Fig. 2 are please referred to, this double spherical surface mechanical shaft seals are used
Fluid is prevented to overflow in the side for being connected to 070 upper pressure balance formula shaft seal assembly of axis body, including quiet component 010, dynamic group
Part 030 and elastic parts 050；
Pressure balanced shaft seal assembly is fixedly connected with quiet component 010；Quiet component 010 is close far from pressure balance shaft
The side of envelope sub-assembly is in sealing contact with dynamic component 030；The dynamic one end of component 030 far from quiet component 010 and elastic parts 050
Effect, the other end and 070 secure fit of axis body of elastic parts 050；Elastic parts 050, which has, pastes component 030 flexibly
Close the movement tendency of quiet component 010.
The side that double spherical surface mechanical shaft seals are mounted on pressure balanced shaft seal assembly is used for sealed pressure balanced type
The fluid that shaft seal assembly comes out guarantees the sealing of side medium, realizes the resident of sealing fluid, saves sealing cost.
Specifically, quiet component 010 includes gland 100 and stationary ring 200, gland 100 and pressure balanced shaft seal assembly
It is bolted to connection, so that gland 100 and pressure balanced shaft seal component synchronization move, and in order to fill up connecting sewing
Gap is provided with sealing ring 130 between gland 100 and pressure balanced shaft seal assembly.
In the present embodiment, gland 100 and stationary ring 200 are all made of subdivision structure, can be convenient maintenance replacement.In other realities
It applies in example, gland 100 and stationary ring 200 can also be monolithic construction, facilitate processing.
The outer of gland 100 has the extension extended backwards to pressure balanced shaft seal assembly along 110, extends along 110
Annular clamping space is formed between axis body 070, the setting of stationary ring 200 is in annular clamping space.Stationary ring 200 and gland 100 it
Between be provided with the first stop pin 210 so that stationary ring 200 is moved synchronously with gland 100, and for the stationary ring of guarantee 200 and gland
It is sealed between 100, is provided with the first sealing ring 230 between 110 and stationary ring 200 extending, the first sealing ring 230 is close to extend
It is arranged along 110 and stationary ring 200.
In the present embodiment, moving component 030 includes rotating ring 300, and rotating ring 300 is to cut open made of wear-resisting soft nonmetallic materials
Separation structure can be convenient maintenance replacement.Stationary ring 200 is inner arc contact surface close to the side of rotating ring 300, and rotating ring 300 is close to stationary ring
200 one side is the outer arc contact surface cooperated with inner arc contact surface.By the contact surface of spherical structure, guarantee atmosphere side seal
Connection sealing.
In other embodiments, rotating ring 300 can also be monolithic construction, facilitate processing.
In order to protect rotating ring 300, increase the stress surface of rotating ring 300, dynamic component 030 further includes throw-out collar 400, and throw-out collar 400 is solid
Surely it is connected to side of the rotating ring 300 far from stationary ring 200, elastic parts 050 and throw-out collar 400 are cooperatively connected, and throw-out collar 400 is far from bullet
Thrust-neutral is passed to rotating ring 300 by the one side of property component 050.
In the present embodiment, it moves component 030 and the side of axis body 070 is provided with the second sealing ring 310, the second sealing ring
310 are close to setting with dynamic component 030 and axis body 070.Specifically, the junction of rotating ring 300 and throw-out collar 400 is close to axis body 070
Inside forms accommodation groove, and the second sealing ring 310 is accommodated in accommodation groove, is close to the inner wall of accommodation groove, the inner ring of the second sealing ring 310
It is close to axis body 070.
Elastic parts 050 includes elastic component 510, pedestal 530 and adjusting seat 550.The wherein adjustable pedestal of adjusting seat 550
Relative distance between 530 and rotating ring 300, and then adjust the force size of elastic component 510.In the present embodiment, elastic component 510
The groups of springs formed for multiple little springs also can be used single big spring and be socketed in axis body 070 in other embodiments
Lateral ends abut 530 other end of pedestal and abut dynamic component 030.Pedestal 530 can be set with axis body 070 by 530 inner ring of pedestal
Protrusion is set, the mode that axis body 070 is set to the groove of male cooperation forms circumferential limit connection, and 510 one end of elastic component acts on
Throw-out collar 400, the other end act on pedestal 530, and side of the pedestal 530 far from elastic component 510 is abutted with adjusting seat 550, adjusting seat
550 are fixedly connected with axis body 070.
Adjusting seat 550 includes pedestal 551 and compressing member 553, and pedestal 551 is fixedly connected with axis body 070.Compressing member 553 is remote
One end from pedestal 530 is provided with external screw thread, and the threaded hole with external screw thread cooperation is provided on pedestal 551, can be by turning
Compressing member 553 makes compressing member 553 relatively close or far from dynamic component 030.Compressing member 553 is close to one end and bottom of pedestal 530
Seat 530 abuts, and allows pedestal 530 relatively close or far from dynamic component 030.
The second stop pin 330 is provided between pedestal 530 and dynamic component 030, so that pedestal 530 and dynamic component 030 are common
Movement.
By double spherical surface mechanical shaft seals provided by the utility model, it is used cooperatively with pressure balanced shaft seal assembly
When, it is ensured that on the other hand the leakage problem of harsh operating condition also efficiently solves the cost control in seal process, reduce money
Source waste.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of double spherical surface mechanical shaft seals, the side for being connected to axis body upper pressure balance formula shaft seal assembly prevents fluid
It overflows, which is characterized in that including quiet component, dynamic component and elastic parts；
The pressure balanced shaft seal assembly is fixedly connected with the quiet component；
Side of the quiet component far from the pressure balanced shaft seal assembly is in sealing contact with the dynamic component；
The one end of the dynamic component far from the quiet component and the elastic parts act on, the other end and axis of the elastic parts
Body secure fit；
The elastic parts has the movement tendency for making the dynamic component flexibly be bonded the quiet component.
2. double spherical surface mechanical shaft seals according to claim 1, which is characterized in that the quiet component includes gland and stationary ring；
The gland is fixedly connected with the pressure balanced shaft seal assembly；
The stationary ring is arranged in side of the gland far from the pressure balanced shaft seal assembly, the stationary ring and described
The first stop pin is provided between gland.
3. double spherical surface mechanical shaft seals according to claim 2, which is characterized in that the outer of the gland has backwards to described
The extension edge that pressure balanced shaft seal assembly extends, the stationary ring setting is between the extension edge and the axis body, institute
It states to extend and is provided with the first sealing ring between edge and the stationary ring, first sealing ring is close to the extension edge and the stationary ring
Setting.
4. double spherical surface mechanical shaft seals according to claim 2, which is characterized in that the dynamic component includes rotating ring, described quiet
Ring is inner arc contact surface close to the side of the rotating ring, and the rotating ring is and the inner arc contact surface close to the one side of the stationary ring
The outer arc contact surface of cooperation.
5. double spherical surface mechanical shaft seals according to claim 4, which is characterized in that the dynamic component further includes throw-out collar, described
Throw-out collar is fixedly connected on side of the rotating ring far from the stationary ring, and the elastic parts and the throw-out collar are cooperatively connected.
6. double spherical surface mechanical shaft seals according to claim 1, which is characterized in that the dynamic component is close to the one of the axis body
Side is provided with the second sealing ring, and second sealing ring is close to the dynamic component and axis body setting.
7. double spherical surface mechanical shaft seals according to claim 5, which is characterized in that the elastic parts includes elastic component, bottom
Circumferentially limit connects for seat and adjusting seat, the pedestal and the axis body, and described elastic component one end acts on the throw-out collar, the other end
Act on the pedestal, side of the pedestal far from the elastic component is abutted with the adjusting seat, the adjusting seat with it is described
Axis body is fixedly connected.
8. double spherical surface mechanical shaft seals according to claim 7, which is characterized in that the adjusting seat includes pedestal and compression
Part, the pedestal are fixedly connected with the axis body, and described compressing member one end abuts the pedestal, and the other end and the compressing member can
It connects to locking, the compressing member being capable of the relatively described axial activity of pedestal.
9. double spherical surface mechanical shaft seals according to claim 8, which is characterized in that the compressing member far from the pedestal one
End is provided with external screw thread, and the threaded hole with external screw thread cooperation is provided on the pedestal.
10. double spherical surface mechanical shaft seals according to claim 7, which is characterized in that between the pedestal and the dynamic component
It is provided with the second stop pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920117719.1U CN209511118U (en) | 2019-01-23 | 2019-01-23 | A kind of double spherical surface mechanical shaft seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920117719.1U CN209511118U (en) | 2019-01-23 | 2019-01-23 | A kind of double spherical surface mechanical shaft seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511118U true CN209511118U (en) | 2019-10-18 |
Family
ID=68202287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920117719.1U Active CN209511118U (en) | 2019-01-23 | 2019-01-23 | A kind of double spherical surface mechanical shaft seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209511118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259397A (en) * | 2019-05-30 | 2019-09-20 | 北京石油机械有限公司 | A kind of mechanical sealing washing pipe assembly |
-
2019
- 2019-01-23 CN CN201920117719.1U patent/CN209511118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259397A (en) * | 2019-05-30 | 2019-09-20 | 北京石油机械有限公司 | A kind of mechanical sealing washing pipe assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209511118U (en) | A kind of double spherical surface mechanical shaft seals | |
| KR20050042074A (en) | Ball-and-socket joint comprising a sealing bellows | |
| CN205559794U (en) | Mining double -chain conveyor seals sub -assembly | |
| CN104405890A (en) | Filling valve | |
| CN204477332U (en) | Butterfly valve Mechanical end face bearing means | |
| CN104565370A (en) | Stably compressed end surface sealing gasket and spherical joint end surface sealing structure | |
| CN208793359U (en) | A kind of closed type piston rod end cap | |
| CN204239751U (en) | A kind of Novel threaded sealing structure | |
| CN105840850B (en) | A kind of filling valve | |
| CN209385650U (en) | A kind of acetylene compressor piston rod packing seal assembly | |
| CN108533755A (en) | A kind of conventional mechanical sealing | |
| CN101936396B (en) | Shaft seal structure | |
| CN214197227U (en) | Vacuum sealing structure of film coating machine | |
| CN105864439A (en) | Regulating type metal sealed butterfly valve | |
| CN202719140U (en) | Mechanical sealing device | |
| CN217129974U (en) | Sealing dustproof structure for hydraulic cylinder | |
| CN205618669U (en) | Flexible oil blanket structure | |
| CN207349460U (en) | The anti-blowing structure of three eccentricity sealed butterfly valve | |
| CN204310807U (en) | A kind of filling valve | |
| CN209115667U (en) | A kind of machine envelope protection flange of milling apparatus | |
| CN209067936U (en) | A kind of low loss stuffing-box with dynamic compensation for valve | |
| CN205802967U (en) | A kind of filling valve piston | |
| CN216242277U (en) | Reciprocating oil seal mechanism for compressor | |
| CN207989565U (en) | A kind of accurate sealing gland | |
| CN209705274U (en) | A kind of mechanical shaft seal of the pump housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |