CN205639613U - Mechanical seal - Google Patents
Mechanical seal Download PDFInfo
- Publication number
- CN205639613U CN205639613U CN201620446427.9U CN201620446427U CN205639613U CN 205639613 U CN205639613 U CN 205639613U CN 201620446427 U CN201620446427 U CN 201620446427U CN 205639613 U CN205639613 U CN 205639613U
- Authority
- CN
- China
- Prior art keywords
- rotating seat
- ring
- rotating
- spring
- axle sleeve
- 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 discloses a mechanical seal cup joints in the pivot of machinery, include: quiet ring, rotating ring, rotating seat, spring and spring holder, the rotating ring cup joints to be connected in the rotating seat and with the rotating seat, and the rotating seat cup joints with the pivot, the spring housing switches through the axle, the both ends difference butt rotating seat and the spring holder of spring, and the spring top pushes away the rotating seat, still be equipped with the axle sleeve between rotating seat, spring holder and the pivot, axle sleeve and pivot fastening is sealed cup joints, rotating seat, spring holder, cup joints the axle sleeve, and the axle sleeve is equipped with the key face with the face that cup joints of rotating seat, spring holder, and rotating seat and spring holder are equipped with corresponding key face, through the restraint between the key face to fix rotating ring fixing base and spring holder on the axle sleeve, reduce mechanical seal's the manufacturing and the installation degree of difficulty, reduce cost, the mechanical seal's of being convenient for dismantlement.
Description
Technical field
This utility model relates to mechanical seal field.
Background technology
Mechanical seal generally includes stationary ring, rotating ring, rotating seat, spring and spring base；Rotating seat is socketed on axle sleeve with axis of rotation moving axially with time delay rotating shaft, and rotating ring is firm is socketed on rotating seat；The end face of rotating ring is ring seal face, and ring seal face mutually abuts with the sealing surface of stationary ring, forms being tightly connected of rotation；The other end of rotating ring abuts one end of spring by rotating seat, and spring housing switches through axle, and the other end of spring abuts against with the end face of spring base simultaneously, and spring base is fixed in rotating shaft with pivot, and spring push rotating ring keeps the pressure abutted with stationary ring.
The shortcoming of prior art is: use welded structure to complete fixing connection between spring base with rotating shaft, not only operates complexity, cost height, and during maintenance, also the dismounting of countershaft causes difficulty, and the performance of the easy countershaft of process welded adversely affects.
The information being disclosed in this background section is merely intended to increase the understanding to general background of the present utility model, and is not construed as recognizing or imply in any form this information structure prior art well known to persons skilled in the art.
Summary of the invention
The purpose of this utility model is to provide a kind of mechanical seal using axle sleeve and rotating shaft to be fastenedly connected, thus rotating ring is fixed seat and spring base is fixed on axle sleeve, reduces manufacture and the installation difficulty of mechanical seal, reduces cost, it is simple to the dismounting of mechanical seal.
For achieving the above object, this utility model provides a kind of mechanical seal, is socketed in the rotating shaft of machinery, including: stationary ring, rotating ring, rotating seat, spring and spring base；Moving ring sleeve is connected to rotating seat and is connected with rotating seat, and rotating seat is socketed with rotating shaft, and rotating ring arranges ring seal face towards stationary ring, and stationary ring fastening is arranged on stationary ring and is provided with the stationary ring sealing surface of correspondence, and ring seal face abuts against with stationary ring sealing surface；Spring housing switches through axle, and the two ends of spring abut rotating seat and spring base, spring push rotating seat respectively, it is ensured that have the pressure of setting between stationary ring and rotating ring；Wherein, being additionally provided with axle sleeve between described rotating seat, spring base and rotating shaft, axle sleeve is socketed with rotating shaft fit sealing, rotating seat, spring base, socket axle sleeve, and rotating seat and spring base are connected with rotating shaft by axle sleeve；Axle sleeve and rotating seat, the set junction of spring base are provided with keyboard, rotating seat and spring base and are provided with the keyboard of correspondence, by the constraint between keyboard, it is ensured that rotating seat, spring base rotate with axle sleeve.
In technique scheme, further preferably, described axle sleeve correspondence rotating seat, the keyboard of spring base are the symmetrical hexagonal structure around axle sleeve, rotating seat, spring base arrange the hexagon internal ring keyboard structure of correspondence, this makes the quantity of keyboard fully meet the transmission requirement between rotating seat, spring base and axle sleeve, and difficulty of processing is low, the material consumption of axle sleeve is the least.
In technique scheme, it is further preferred that described rotating seat is made up of through metal plate punching sheet metal.
In technique scheme, it is further preferred that the surface that moving ring sleeve is connected to rotating seat is provided with axially extended driver slot, rotating seat is provided with the convex tendon of correspondence, and convex tendon is embedded in driver slot, thus drives the servo-actuated ring seat of rotating ring to move.
In technique scheme, it is further preferred that the axial section configuration of described driver slot is circular arc, the circular arc being shaped as correspondence of convex tendon so that it is more steady that described convex tendon drives rotating ring to abut when rotating.
Compared with prior art, this utility model is socketed with rotating shaft fit sealing by using axle sleeve, rotating seat, spring base are socket-connected with axle sleeve, and by arranging the most corresponding keyboard, thus rotating ring is fixed seat and spring base is fixed on axle sleeve, reduce manufacture and the installation difficulty of mechanical seal, reduce cost, it is simple to the dismounting of mechanical seal.
Accompanying drawing explanation
Fig. 1 is the structural representation according to a kind of mechanical seal of the present utility model；
Fig. 2 is the schematic diagram of the axle sleeve according to a kind of mechanical seal of this utility model；
Fig. 3 is the sectional drawing B-B of Fig. 2；
Fig. 4 is the schematic diagram (axial visual angle) of this utility model a kind of mechanical sealing linkage ring seat；
Fig. 5 is the schematic diagram (radially visual angle) of the rotating seat of a kind of mechanical seal of this utility model；
Fig. 6 is the schematic diagram (axial visual angle) of the rotating ring of a kind of mechanical seal of this utility model.
Main Reference Numerals illustrates:
1-rotating shaft；2-stationary ring；21-stationary seat；22-stationary ring sealing ring；23-stationary ring the second sealing ring；3-retainer ring；4-rotating ring；41-rotating seat；411-rotating seat keyboard；412-convex tendon；413-driver slot；42-seal ring of moving ring；5-spring；51-spring base；6-axle sleeve；61-sleeve sealing circle；The rotating seat keyboard of 62-axle sleeve；The spring base keyboard of 63-axle sleeve.
Detailed description of the invention
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion such as " comprising " or " including " etc. will be understood to comprise stated element or ingredient, and does not get rid of other element or other ingredient.
A kind of mechanical seal as shown in Figure 1, 2, is socketed in the rotating shaft of machinery, including: stationary ring 2, rotating ring 4, rotating seat 41, spring 5 and spring base 51；Stationary ring 2 is fastenedly connected with stationary seat 21, clamps stationary ring sealing ring 22 between stationary ring 2 and stationary seat 21, is preserved by stationary ring sealing ring 22 and is tightly connected, and stationary seat 21 is tightly connected by the mechanical fasteners of stationary ring the second sealing ring 23 with required sealing；Retainer ring 3, retainer ring 3 pushing tow stationary seat 21, it is ensured that stationary seat 21 is connected also it is socketed with the mechanical fasteners of required sealing in rotating shaft 1；Rotating ring 4 is socketed on rotating seat 41 and is connected with rotating seat 41, and rotating seat 41 is connected with rotating shaft 1, and rotating ring 4 arranges ring seal face towards stationary ring 2, and stationary ring is provided with the stationary ring sealing surface of correspondence, and ring seal face abuts against with stationary ring sealing surface；Spring 5 is socketed rotating shaft 1, and the two ends of spring 5 abut rotating seat 41 and spring base 51, spring 5 pushing tow rotating seat 41, it is ensured that have the pressure of setting between stationary ring 2 and rotating ring 4 respectively；It is additionally provided with axle sleeve 6 between described rotating seat 41, spring base 51 and rotating shaft 1, axle sleeve 6 and rotating shaft 1 fastening socket, sleeve sealing circle 61 it is additionally provided with between rotating shaft 1 and axle sleeve 6, make to keep between rotating shaft 1 and axle sleeve 6 being tightly connected, rotating seat 41, spring 5 and spring base 51 are socketed axle sleeve 6, rotating seat 41 and spring base 51 are connected with rotating shaft 1 by axle sleeve 6, are provided with rotating seat sealing ring 42 between rotating seat 41 and axle sleeve 6, guarantee to keep between rotating seat 41 and axle sleeve 6 being tightly connected by rotating seat sealing ring 42；Axle sleeve 6 and rotating seat 41, the set junction of spring base 51 are provided with keyboard, rotating seat keyboard 62 and the spring base keyboard 63 of axle sleeve including axle sleeve, rotating seat 41 and spring base 51 are provided with rotating seat keyboard 411 and the spring base keyboard (not indicating in figure) of correspondence, by the constraint between keyboard, it is ensured that rotating seat 41, spring base 51 rotate with axle sleeve 6.
Further as shown in Fig. 2,3,4,5,6, the rotating seat keyboard 62 of axle sleeve and the spring base keyboard 63 of axle sleeve are the symmetrical hexagonal structure around axle sleeve 6, the rotating seat keyboard 411 of rotating seat and spring base keyboard (not shown) are corresponding hexagon internal ring keyboard structure, described rotating seat 41 is made up of through metal plate punching sheet metal, rotating ring 4 is socketed on the surface of rotating seat 41 and is provided with axially extended driver slot 413, rotating seat is provided with the convex tendon 412 of correspondence, convex tendon 412 is embedded in driver slot 413, thus drives the servo-actuated ring seat of rotating ring 4 41 to move.
The most as shown in Figure 4,5, 6, the axial section configuration of driver slot 413 is circular arc, the circular arc being shaped as correspondence of convex tendon 412 so that it is more steady that described convex tendon drives rotating ring to abut when rotating.
This utility model is socketed with rotating shaft fit sealing by using axle sleeve, rotating seat, spring base are socket-connected with axle sleeve, and by arranging the most corresponding keyboard, thus rotating ring is fixed seat and spring base is fixed on axle sleeve, reduce manufacture and the installation difficulty of mechanical seal, reduce cost, it is simple to the dismounting of mechanical seal.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration.These descriptions are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can much change and change.The purpose selected exemplary embodiment and describe is to explain certain principles of the present utility model and actual application thereof, so that those skilled in the art is capable of and utilizes various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (5)
1. a mechanical seal, is socketed in the rotating shaft of machinery, including: stationary ring, rotating ring, rotating seat, spring and spring base；Moving ring sleeve is connected to rotating seat and is connected with rotating seat, and rotating seat is socketed with rotating shaft, and rotating ring arranges ring seal face towards stationary ring, and stationary ring fastening is arranged on stationary ring and is provided with the stationary ring sealing surface of correspondence, and ring seal face abuts against with stationary ring sealing surface；Spring housing switches through axle, and the two ends of spring abut rotating seat and spring base, spring push rotating seat respectively；It is characterized in that, being additionally provided with axle sleeve between described rotating seat, spring base and rotating shaft, axle sleeve is socketed with rotating shaft fit sealing, rotating seat, spring socket sleeve spindle set；Axle sleeve and rotating seat, the set junction of spring base are provided with keyboard, rotating seat and spring base and are provided with the keyboard of correspondence.
Mechanical seal the most according to claim 1, it is characterised in that described axle sleeve correspondence rotating seat, the keyboard of spring base are the symmetrical hexagonal structure around axle sleeve, and rotating seat, spring base arrange the hexagon internal ring keyboard structure of correspondence.
Mechanical seal the most according to claim 1 and 2, it is characterised in that described rotating seat is made up of through metal plate punching sheet metal.
Mechanical seal the most according to claim 3, it is characterised in that described moving ring sleeve is connected to the surface of rotating seat and is provided with axially extended driver slot, rotating seat is provided with the convex tendon of correspondence, and convex tendon is embedded in driver slot.
Mechanical seal the most according to claim 4, it is characterised in that the axial section configuration of described driver slot is circular arc, the circular arc being shaped as correspondence of convex tendon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446427.9U CN205639613U (en) | 2016-05-17 | 2016-05-17 | Mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446427.9U CN205639613U (en) | 2016-05-17 | 2016-05-17 | Mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639613U true CN205639613U (en) | 2016-10-12 |
Family
ID=57057188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446427.9U Expired - Fee Related CN205639613U (en) | 2016-05-17 | 2016-05-17 | Mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989052A (en) * | 2017-03-23 | 2017-07-28 | 宁波伏尔肯陶瓷科技有限公司 | A kind of centrifugal multistage pump multiple centrifugal pump mechanical sealing device of silicon carbide |
| CN112212006A (en) * | 2020-11-02 | 2021-01-12 | 天长市金祝机械密封件有限公司 | Corrugated spring mechanical sealing mechanism |
-
2016
- 2016-05-17 CN CN201620446427.9U patent/CN205639613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989052A (en) * | 2017-03-23 | 2017-07-28 | 宁波伏尔肯陶瓷科技有限公司 | A kind of centrifugal multistage pump multiple centrifugal pump mechanical sealing device of silicon carbide |
| CN112212006A (en) * | 2020-11-02 | 2021-01-12 | 天长市金祝机械密封件有限公司 | Corrugated spring mechanical sealing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161012 Termination date: 20210517 |