CN207278886U - A kind of mechanically-sealing apparatus - Google Patents
A kind of mechanically-sealing apparatus Download PDFInfo
- Publication number
- CN207278886U CN207278886U CN201721239257.8U CN201721239257U CN207278886U CN 207278886 U CN207278886 U CN 207278886U CN 201721239257 U CN201721239257 U CN 201721239257U CN 207278886 U CN207278886 U CN 207278886U
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- China
- Prior art keywords
- ring
- groove
- stationary
- close
- seat
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Abstract
The utility model discloses a kind of mechanically-sealing apparatus, including main shaft, fixing sleeve is equipped with axle sleeve on the main shaft, rotating seat is set with the sleeve outer surface, the side of the rotating seat is provided with rotating ring, the sleeve outer surface is equipped with stationary seat by bearing holder (housing, cover), and stationary seat is located on side of the rotating ring away from rotating seat, the stationary seat is provided with and the close-fitting stationary ring of rotating ring close to the side of rotating ring, the rotating ring opens up fluted close to the side of stationary ring, side of the stationary ring away from stationary seat is movably arranged in groove, the groove both sides are respectively equipped with the fixed block for being fixedly mounted on rotating ring both sides, two fixed blocks are in close contact with rotating seat, cavity is offered on the fixed block, pressure ram is movably installed with the cavity.The utility model can be easy to be in close contact between stationary ring and rotating ring, and connection can be consolidated between stationary ring and rotating ring, simple in structure, easy to use.
Description
Technical field
It the utility model is related to field of mechanical technique, more particularly to a kind of mechanically-sealing apparatus.
Background technology
With developing rapidly for industry, field working conditions are higher and higher to the performance specification of pump etc..Existing big portion
In point mechanical seal between rotating ring and stationary ring it is the plane contact of direct one, once occur unexpected so that rotating ring and stationary ring connect
Contacting surface cannot temporarily contact, and the connection between stationary ring and rotating ring built on the sand, and cannot be in close contact, and will result in sealing failure,
Cause the serious consequences such as mechanical failure.
Utility model content
The purpose of this utility model is and a kind of mechanical seal dress proposed in order to solve shortcoming existing in the prior art
Put.
To achieve these goals, the utility model employs following technical solution：
A kind of mechanically-sealing apparatus, including main shaft, fixing sleeve is equipped with axle sleeve on the main shaft, is covered on the sleeve outer surface
Equipped with rotating seat, the side of the rotating seat is provided with rotating ring, and the sleeve outer surface is equipped with stationary seat by bearing holder (housing, cover), and quiet
Ring seat is located on side of the rotating ring away from rotating seat, and the stationary seat is provided with close-fitting with rotating ring close to the side of rotating ring
Stationary ring, the rotating ring open up fluted close to the side of stationary ring, and side of the stationary ring away from stationary seat is movably arranged on groove
Interior, the groove both sides are respectively equipped with the fixed block for being fixedly mounted on rotating ring both sides, and two fixed blocks closely connect with rotating seat
Touch, cavity is offered on the fixed block, pressure ram is movably installed with the cavity, described pressure ram one end extends to groove
Interior, one end that pressure ram is located in cavity is installed with movable block, and the movable block is slidably connected with cavity inner wall, movable block
The first spring being socketed on pressure ram is welded with close to the side of pressure ram, the one end of the first spring away from movable block is welded on
For cavity on the side inner wall of groove, one end that the pressure ram is located in groove is rotatablely equipped with pressing plate, and pressure ram position
In the centre position of pressing plate, the pressing plate activity is in groove, and side of the pressing plate away from pressure ram is located at groove with stationary ring
Interior side is in contact, and side of the pressing plate away from stationary seat is installed with second spring, and second spring is away from pressing plate
One end is in contact with side inner wall of the groove close to cavity.
Preferably, the groove is installed with elastic seal ring on the inner wall of opening, and elastic seal ring is distinguished
It is in close contact with pressing plate and stationary ring.
Preferably, the first sliding groove is offered on the inner wall of the cavity both sides, the movable block both sides are installed with
First sliding block, two the first sliding blocks are slidably mounted in two the first sliding grooves respectively, side of the first sliding groove away from opening
Sliding pearl groove is offered on inner wall, sliding pearl is slidably fitted with the sliding pearl groove inner wall, the sliding pearl is in contact with the first sliding block.
Preferably, the stationary seat offers mounting groove, side of the stationary ring away from rotating ring close to the side of rotating seat
It is slidably mounted in mounting groove, the 3rd spring is welded with the side that the stationary ring is located in mounting groove, the 3rd spring is remote
One end from stationary ring is welded on side inner wall of the mounting groove away from opening.
Preferably, the second sliding slot is offered on the inner wall of the mounting groove both sides, stationary ring both sides, which are installed with, to be located at
The second sliding block in mounting groove, two the second sliding blocks are slidably mounted in two the second sliding slots respectively, the installation channel opening
Rubber seal is installed with inner wall, and rubber seal is in close contact with stationary ring surrounding.
Preferably, the pressing plate offers wear-resisting enamelled coating close to the side of stationary ring, and wear-resisting enamelled coating is in contact with stationary ring.
Compared with prior art, the beneficial effects of the utility model are：
In the utility model, be used cooperatively by main shaft, rotating seat, rotating ring, stationary seat, groove, stationary ring, by rotating ring with
The tight fit of stationary ring, can be easy to carry out encapsulation process to machinery, pass through fixed block, cavity, pressure ram, movable block, first
Spring, pressing plate, second spring are used cooperatively, and stationary ring is inserted into groove, stationary ring extruding pressing plate, pressing plate extruding second spring,
So that pressing plate is in close contact with stationary ring, meanwhile, pressing plate extruding pressure ram, pressure ram moves in cavity, stripper plate drive activity
Block slides in cavity, and under the active force of the first spring, drives movable block to be moved to close to the direction of stationary ring, and movable block drives
Pressure ram extrudes pressing plate, consolidates the position of stationary ring, passes through mounting groove, the 3rd spring, the second sliding slot, the second sliding block, rubber seal
Circle is used cooperatively, and the active force lower band dynamic and static ring of the 3rd spring is slided in mounting groove, and stationary ring drives the second sliding block to be slided second
Slided in groove, the 3rd spring extrudes to be moved in quiet circumferential groove so that stationary ring is consolidated with groove and is connected, and the utility model can be just
It is in close contact between stationary ring and rotating ring, and connection can be consolidated between stationary ring and rotating ring, it is simple in structure, it is easy to use.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of mechanically-sealing apparatus structure diagram；
Fig. 2 be the utility model proposes a kind of mechanically-sealing apparatus part A structure diagram；
Fig. 3 be the utility model proposes a kind of mechanically-sealing apparatus A1 part-structure schematic diagrams；
Fig. 4 be the utility model proposes a kind of mechanically-sealing apparatus part B structure diagram.
In figure：1 main shaft, 2 rotating seats, 3 rotating rings, 4 stationary seats, 5 grooves, 6 stationary rings, 7 fixed blocks, 8 cavitys, 9 pressure rams, 10
Movable block, 11 first springs, 12 pressing plates, 13 second springs, 14 mounting grooves, 15 the 3rd springs, 16 second sliding slots, 17 second are slided
Block, 18 rubber seal.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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.
With reference to Fig. 1-4, a kind of mechanically-sealing apparatus, including main shaft 1, fixing sleeve is equipped with axle sleeve, sleeve outer surface on main shaft 1
On be set with rotating seat 2, the side of rotating seat 2 is provided with rotating ring 3, and sleeve outer surface is equipped with stationary seat 4 by bearing holder (housing, cover), and quiet
Ring seat 4 is located on side of the rotating ring 3 away from rotating seat 2, and stationary seat 4 is provided with close to the side of rotating ring 3 and is fitted close with rotating ring 3
Stationary ring 6, rotating ring 3 opens up fluted 5 close to the side of stationary ring 6, and side of the stationary ring 6 away from stationary seat 4 is movably arranged on groove 5
Interior, 5 both sides of groove are respectively equipped with the fixed block 7 for being fixedly mounted on 3 both sides of rotating ring, and two fixed blocks 7 closely connect with rotating seat 2
Touch, cavity 8 is offered on fixed block 7, pressure ram 9 is movably installed with cavity 8,9 one end of pressure ram is extended in groove 5, is squeezed
One end that compression bar 9 is located in cavity 8 is installed with movable block 10, and movable block 10 is slidably connected with 8 inner wall of cavity, movable block 10
Be welded with the first spring 11 being socketed on pressure ram 9 close to the side of pressure ram 9, the first spring 11 away from movable block 10 one
End is welded on cavity 8 on the side inner wall of groove 5, and one end that pressure ram 9 is located in groove 5 is rotatablely equipped with pressing plate 12,
And pressure ram 9 is located at the centre position of pressing plate 12, the activity of pressing plate 12 is in groove 5, and side of the pressing plate 12 away from pressure ram 9
It is located at the side in groove 5 with stationary ring 6 to be in contact, side of the pressing plate 12 away from stationary seat 4 is installed with second spring 13, the
The one end of two springs 13 away from pressing plate 12 is in contact with side inner wall of the groove 5 close to cavity 8.Stationary ring 6 is inserted into groove 5
Interior, stationary ring 6 extrudes pressing plate 12, and pressing plate 12 extrudes second spring 13 so that and pressing plate 12 is in close contact with stationary ring 6, meanwhile, pressing plate 12
Pressure ram 9 is extruded, pressure ram 9 moves in cavity 8, and stripper plate 9 drives movable block 10 to be slided in cavity 8, and the first spring
Under 11 active force, movable block 10 is driven to be moved to close to the direction of stationary ring 6, movable block 10 drives pressure ram 9 to extrude pressing plate 12,
The position of firm stationary ring 6.
Groove 5 is installed with elastic seal ring on the inner wall of opening, and elastic seal ring respectively with pressing plate 12 and
Stationary ring 6 is in close contact, and is acted on down by elastic seal ring, easy to be tightly connected between 5 inner wall of stationary ring 6 and groove, sealing effect
It is good；Offer the first sliding groove on 8 both sides inner wall of cavity, 10 both sides of movable block are installed with the first sliding block, two first
Sliding block is slidably mounted in two the first sliding grooves respectively, and the first sliding groove offers sliding pearl groove on the side inner wall away from opening, sliding
It is slidably fitted with sliding pearl on pearl groove inner wall, sliding pearl is in contact with the first sliding block, with movable slider the in 10 moving process of movable block
Slide in one sliding slot, pressing plate 12 is extruded easy to pressure ram 9；Stationary seat 4 offers mounting groove close to the side of rotating seat 2
14, side of the stationary ring 6 away from rotating ring 3 is slidably mounted in mounting groove 14, is welded with the side that stationary ring 6 is located in mounting groove 14
3rd spring 15, the 3rd one end of spring 15 away from stationary ring 6 are welded on side inner wall of the mounting groove 14 away from opening, mounting groove
The second sliding slot 16 is offered on 14 both sides inner walls, 6 both sides of stationary ring are installed with the second sliding block in mounting groove 14
17, two the second sliding blocks 17 are slidably mounted in two the second sliding slots 16 respectively, are fixedly mounted on the inner wall that mounting groove 14 is open
There is rubber seal 18, and rubber seal 18 is in close contact with 6 surrounding of stationary ring, is driven under the active force by the 3rd spring 15
Stationary ring 6 slides in mounting groove 14, and stationary ring 6 drives the second sliding block 17 to be slided in the second sliding slot 16, and the 3rd spring 15 extrudes quiet
Ring 6 is moved into groove 5 so that stationary ring 6 can be easy to stationary ring 6 and mounting groove with the firm connection of groove 5, rubber seal 18
Sealed between 14 inner walls；Pressing plate 12 offers wear-resisting enamelled coating close to the side of stationary ring 6, and wear-resisting enamelled coating connects with stationary ring 6
Touch, be in contact by wear-resisting enamelled coating with stationary ring 6, prevent from rubbing too long and cause the damage of pressing plate 12, the utility model can be easy to
It is in close contact between stationary ring 6 and rotating ring 3, and connection can be consolidated between stationary ring 6 and rotating ring 3, it is simple in structure, it is easy to use.
Operation principle：In use, rotating seat 2 and stationary seat 4 are installed on axle sleeve respectively, then stationary ring 6 is inserted into
It is opened in the groove 5 on rotating ring 3, stationary ring 6 extrudes pressing plate 12, and pressing plate 12 extrudes second spring 13 so that pressing plate 12 and stationary ring 6
It is in close contact, meanwhile, pressing plate 12 extrudes pressure ram 9, and pressure ram 9 moves in cavity 8, and stripper plate 9 drives movable block 10 in sky
Slided in chamber 8, movable block 10 drives the first sliding block to be slided in the first sliding groove, and under the active force of the first spring 11, drives and live
Motion block 10 is moved to close to the direction of stationary ring 6, and movable block 10 drives pressure ram 9 to extrude pressing plate 12, consolidates the position of stationary ring 6, together
When, slided by the active force lower band dynamic and static ring 6 of the 3rd spring 15 in mounting groove 14, stationary ring 6 drives the second sliding block 17 the
Slided in two sliding slots 16, the 3rd spring 15 extruding stationary ring 6 is moved into groove 5 so that stationary ring 6 and the firm connection of groove 5, rubber
Sealing ring 18 can be easy to being sealed between 14 inner wall of stationary ring 6 and mounting groove, and rotating ring 3 is in close contact and consolidates with stationary ring 6
After connection, it is in contact by wear-resisting enamelled coating with stationary ring 6, prevents from rubbing too long and cause the damage of pressing plate 12.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of mechanically-sealing apparatus, including main shaft (1), it is characterised in that fixing sleeve is equipped with axle sleeve, institute on the main shaft (1)
State and rotating seat (2) is set with sleeve outer surface, the side of the rotating seat (2) is provided with rotating ring (3), the sleeve outer surface
Stationary seat (4) is equipped with by bearing holder (housing, cover), and stationary seat (4) is located on side of the rotating ring (3) away from rotating seat (2), the stationary ring
Seat (4) is provided with and rotating ring (3) close-fitting stationary ring (6), the close stationary ring (6) of the rotating ring (3) close to the side of rotating ring (3)
Side open up fluted (5), side of the stationary ring (6) away from stationary seat (4) is movably arranged in groove (5), described recessed
Groove (5) both sides are respectively equipped with the fixed block (7) for being fixedly mounted on rotating ring (3) both sides, two fixed blocks (7) with rotating seat (2)
It is in close contact, cavity (8) is offered on the fixed block (7), pressure ram (9) is movably installed with the cavity (8), it is described to squeeze
Compression bar (9) one end is extended in groove (5), and one end that pressure ram (9) is located in cavity (8) is installed with movable block (10),
The movable block (10) is slidably connected with cavity (8) inner wall, and movable block (10) is welded with close to the side of pressure ram (9) and is socketed in
The first spring (11) on pressure ram (9), the one end of the first spring (11) away from movable block (10) are welded on cavity (8) close to recessed
On the side inner wall of groove (5), one end that the pressure ram (9) is located in groove (5) is rotatablely equipped with pressing plate (12), and pressure ram
(9) it is located at the centre position of pressing plate (12), pressing plate (12) activity is in groove (5), and pressing plate (12) is away from pressure ram
(9) side is located at the side in groove (5) with stationary ring (6) and is in contact, and side of the pressing plate (12) away from stationary seat (4) is consolidated
Dingan County is equipped with second spring (13), and the one end of second spring (13) away from pressing plate (12) is with groove (5) close to the side of cavity (8)
Inner wall is in contact.
2. a kind of mechanically-sealing apparatus according to claim 1, it is characterised in that the groove (5) is interior close to opening
Elastic seal ring is installed with wall, and elastic seal ring is in close contact with pressing plate (12) and stationary ring (6) respectively.
3. a kind of mechanically-sealing apparatus according to claim 1, it is characterised in that on the inner wall of cavity (8) both sides
The first sliding groove is offered, movable block (10) both sides are installed with the first sliding block, and two the first sliding blocks slide peace respectively
In two the first sliding grooves, the first sliding groove offers sliding pearl groove on the side inner wall away from opening, in the sliding pearl groove
Sliding pearl is slidably fitted with wall, the sliding pearl is in contact with the first sliding block.
4. a kind of mechanically-sealing apparatus according to claim 1, it is characterised in that the stationary seat (4) is close to rotating seat
(2) side offers mounting groove (14), and side of the stationary ring (6) away from rotating ring (3) is slidably mounted in mounting groove (14),
The 3rd spring (15) is welded with the side that the stationary ring (6) is located in mounting groove (14), the 3rd spring (15) is away from quiet
One end of ring (6) is welded on side inner wall of the mounting groove (14) away from opening.
5. a kind of mechanically-sealing apparatus according to claim 4, it is characterised in that on the inner wall of mounting groove (14) both sides
Offering the second sliding slot (16), stationary ring (6) both sides are installed with the second sliding block (17) in mounting groove (14), and two
A second sliding block (17) is slidably mounted in two the second sliding slots (16) respectively, fixed on the inner wall of mounting groove (14) opening
Rubber seal (18) is installed, and rubber seal (18) is in close contact with stationary ring (6) surrounding.
6. a kind of mechanically-sealing apparatus according to claim 1, it is characterised in that the pressing plate (12) is close to stationary ring (6)
Side offer wear-resisting enamelled coating, and wear-resisting enamelled coating is in contact with stationary ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239257.8U CN207278886U (en) | 2017-09-25 | 2017-09-25 | A kind of mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239257.8U CN207278886U (en) | 2017-09-25 | 2017-09-25 | A kind of mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278886U true CN207278886U (en) | 2018-04-27 |
Family
ID=61983005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239257.8U Expired - Fee Related CN207278886U (en) | 2017-09-25 | 2017-09-25 | A kind of mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278886U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178193A (en) * | 2020-10-10 | 2021-01-05 | 江门市新会区天府密封科技有限公司 | Single-end-face antifriction mechanical seal |
| CN112197005A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Mechanical seal sliding diameter dynamic seal structure |
| CN115638125A (en) * | 2022-10-25 | 2023-01-24 | 丹东盛欣石化设备制造有限公司 | Sealing device for replacing centrifugal pump orifice ring |
-
2017
- 2017-09-25 CN CN201721239257.8U patent/CN207278886U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178193A (en) * | 2020-10-10 | 2021-01-05 | 江门市新会区天府密封科技有限公司 | Single-end-face antifriction mechanical seal |
| CN112197005A (en) * | 2020-10-12 | 2021-01-08 | 江门市新会区天府密封科技有限公司 | Mechanical seal sliding diameter dynamic seal structure |
| CN115638125A (en) * | 2022-10-25 | 2023-01-24 | 丹东盛欣石化设备制造有限公司 | Sealing device for replacing centrifugal pump orifice ring |
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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: 20180427 Termination date: 20180925 |