CN206708367U - A kind of mechanical seal position-limit mechanism - Google Patents
A kind of mechanical seal position-limit mechanism Download PDFInfo
- Publication number
- CN206708367U CN206708367U CN201720455551.6U CN201720455551U CN206708367U CN 206708367 U CN206708367 U CN 206708367U CN 201720455551 U CN201720455551 U CN 201720455551U CN 206708367 U CN206708367 U CN 206708367U
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- CN
- China
- Prior art keywords
- ring
- semi
- limited block
- hole
- end cap
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- Withdrawn - After Issue
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Abstract
The utility model provides a kind of mechanical seal position-limit mechanism,Including cylindrical hole,Locating piece,Upper semi-ring,O-ring two,Seal groove two,Lower semi-ring,Nut,Through hole,Anti- dynamic cylinder and clamping rings,Lower semi-ring upper end is mounted with semi-ring,Two cylindrical holes are opened on the upper and lower semi-ring right side in semi-ring right side respectively,Two locating pieces are respectively welded at semi-ring left end and lower semi-ring left end,The design preferably be located by connecting between limited block and stationary ring end cap,And separable limited block make it that the installing/dismounting of limited block is more convenient,Two through holes are symmetrically opened in the upper and lower side inside clamping rings,Anti- dynamic cylinder passes through through hole,Nut is arranged on anti-dynamic cylinder,Nut is fixed on clamping rings left end,The design can prevent limited block to be moved when limited block fails,Job stability is further ensured,The utility model stability is good,Reliability is high,Long lifespan,Installation and removal are simple.
Description
Technical field
The utility model is a kind of mechanical seal position-limit mechanism, belongs to spacing machinery equipment field.
Background technology
In the prior art, mechanical seal refers to by least one pair of perpendicular to the end face of rotation axis in Fluid pressure and compensation
Mechanism elastic force（Or magnetic force）In the presence of and the cooperation of auxiliary seal under keep being bonded and the anti-fluid stopping that forms with respect to slip
The device of body leakage, mechanical seal position-limit mechanism are the mechanisms that limit mechanical sealing is not moved, and traditional position-limit mechanism is adopted
It is rectangular steel plates structure type, mounting means is that limited block hole is bored on rectangle limited block, is added on mechanical seal cover
Work screwed hole, limited block is then passed through into rectangle while in the groove being stuck on the periphery of mechanical seal sleeve end with screw
Limited block hole on limited block, then it is screwed into the screwed hole on mechanical seal cover, so as to reach fastening mechanical sealing assembly
Purpose.
As described above, tradition machinery sealing position-limit mechanism is directly inserted screws into mechanical seal cover, except screwed hole
Outer to produce a shearing force to screw without other positioners, axle rotation, screw is easily broken, and influences mechanical seal
It is spacing, and do not positioned between tradition machinery sealing position-limit mechanism and axle, therefore tradition machinery sealing position-limit mechanism is in itself
It is easily mobile, and then driving mechanical sealing gland is moved, tradition machinery seals position-limit mechanism in installation and removal in addition
It is all relatively complicated.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of mechanical seal position-limit mechanism, with solution
The problem of being proposed in certainly above-mentioned background technology, the utility model stability is good, and reliability is high, long lifespan, and installation and removal are simple.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of mechanical seal limit
Position mechanism, including stationary ring end cap, anti-dynamic device, axle and limited block, the stationary ring end cap right-hand member are provided with limited block, the limit
Position block right-hand member is provided with anti-dynamic device, and the stationary ring end cap, anti-dynamic device and limited block are installed on axle, the stationary ring end
Lid is made up of positioning hole and end cap ring body, and the positioning hole is provided with two, and two positioning holes are opened in end cap ring body
Portion, two positioning holes are symmetrical above and below on end cap ring body, and the anti-dynamic device is by nut, through hole, anti-dynamic cylinder, O-ring
First, seal groove one and clamping rings composition, the clamping rings right-hand member offer seal groove one, and the O-ring one is pacified
On seal groove one, the through hole is provided with two, and two through holes are symmetrically opened in the upper and lower side inside clamping rings,
The anti-dynamic cylinder passes through through hole, and the axis of the anti-dynamic cylinder overlaps with the axis of through hole, and the nut is arranged on anti-
On dynamic cylinder, the nut is fixed on clamping rings left end, the limited block by cylindrical hole, locating piece, upper semi-ring, O-ring two,
Seal groove two and lower half ring group are into the lower semi-ring upper end is mounted with semi-ring, and the upper semi-ring rear portion lower end is by turning
Axle is connected with lower semi-ring rear upper end, and the cylindrical hole is provided with two, and two cylindrical holes are opened in the semi-ring right side respectively
On the upper and lower semi-ring right side in end face, the locating piece is provided with two, and two locating pieces are respectively welded at semi-ring left end
With lower semi-ring left end, two locating piece symmetrical placements are on the outside of two cylindrical holes, the end cap ring body, clamping rings upper half
Ring and lower semi-ring are installed on axle, and the anti-dynamic cylinder left end is in contact with positioning hole left end.
Further, the axle opens up fluted with limited block contact position.
Further, the O-ring one is identical with the specification of O-ring two.
Further, the upper semi-ring rear portion lower end is connected by rotating shaft with lower semi-ring rear upper end, the upper semi-ring
Front lower ends are connected by rotating shaft with lower semi-ring nock.
Further, the stationary ring end cap is connected by screw with limited block.
The beneficial effects of the utility model：A kind of mechanical seal position-limit mechanism of the present utility model, the utility model pass through
Increase positioning hole, screwed hole and end cap ring body, the design allow limited block first to determine the installation on stationary ring end cap
Position, then linked together with stationary ring end cap, it solve because axle rotation and caused by screw be broken, and then influence position restrainer
The drawbacks of structure stability.
The utility model makes due to increasing locating piece, upper semi-ring, O-ring two, seal groove two and lower semi-ring, the design
It is more convenient to obtain the installing/dismounting of limited block, and position limitation is more firm, solves tradition machinery sealing position-limit mechanism and is pacifying
The problem of all relatively complicated in assembly and disassembly.
The utility model, should because of increase nut, through hole, anti-dynamic cylinder, O-ring one, seal groove one and clamping rings
Design can prevent limited block to be moved when limited block fails, and further ensure job stability.
Because axle opens up with limited block contact position fluted, the design limits limited block moving left and right on axle, for this
The limit function of utility model adds guarantee, and because O-ring one is identical with the specification of O-ring two, the design also make it that this practicality is new
Type is more convenient in maintenance and part exchanging, and because adding screw, the design causes the fitting of semi-ring and lower semi-ring more
Closely, the connection of stationary ring end cap and limited block is more firm, and the utility model stability is good, and reliability is high, long lifespan, installation and
Dismounting is simple.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of mechanical seal position-limit mechanism of the utility model；
Fig. 2 is the structural representation of stationary ring end cap in a kind of mechanical seal position-limit mechanism of the utility model；
Fig. 3 is the structural representation that dynamic device is prevented in a kind of mechanical seal position-limit mechanism of the utility model；
Fig. 4 is the structural representation of limited block in a kind of mechanical seal position-limit mechanism of the utility model；
In figure：The anti-dynamic device of 1- stationary rings end cap, 2-, 3- axles, 4- limited blocks, 11- positioning holes, 12- end caps ring body, 21- spiral shells
Mother, the anti-dynamic cylinder of 22- through holes, 23-, 24-O shapes circle one, 25- seal grooves one, 26- clamping rings, 41- cylindrical holes, 42- positioning
Semi-ring under the upper semi-ring of block, 43-, 44-O shapes circle one, 45- seal grooves one, 46-.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1-Fig. 4 is referred to, the utility model provides a kind of technical scheme：A kind of mechanical seal position-limit mechanism, including it is quiet
Ring end cap 1, anti-dynamic device 2, axle 3 and limited block 4, the right-hand member of stationary ring end cap 1 are provided with limited block 4, and the right-hand member of limited block 4 is provided with
Anti- dynamic device 2, stationary ring end cap 1, anti-dynamic device 2 and limited block 4 are installed on axle 3.
Stationary ring end cap 1 is made up of positioning hole 11 and end cap ring body 12, and positioning hole 11 is provided with two, and two positioning holes 11 are opened
It is located inside end cap ring body 12, two positioning holes 11 are symmetrical above and below on end cap ring body 12.
Prevent dynamic device 2 by nut 21, through hole 22, anti-dynamic cylinder 23, O-ring 1, seal groove 1 and fixed circle
Ring 26 is formed, and the right-hand member of clamping rings 26 offers seal groove 1, and O-ring 1 is arranged on seal groove 1, through hole
22 are provided with two, and two through holes 22 are symmetrically opened in the upper and lower side inside clamping rings 26, and anti-dynamic cylinder 23 passes through through hole 22, prevents
The axis of dynamic cylinder 23 is overlapped with the axis of through hole 22, and nut 21 is arranged on anti-dynamic cylinder 23, and nut 21 is fixed on
Determine the left end of annulus 26.
Limited block 4 is by cylindrical hole 41, locating piece 42, upper semi-ring 43, O-ring 2 44, seal groove 2 45 and lower semi-ring
46 compositions, the lower upper end of semi-ring 46 are mounted with semi-ring 43, and the upper rear portion lower end of semi-ring 43 passes through rotating shaft and the lower rear upper end of semi-ring 46
It is connected, cylindrical hole 41 is provided with two, and two cylindrical holes 41 are opened in the upper and lower right-hand member of semi-ring 46 in the right side of semi-ring 43 respectively
On face, locating piece 42 is provided with two, and two locating pieces 42 are respectively welded at the left end of semi-ring 43 and the lower left end of semi-ring 46, and two fixed
The position symmetrical placement of block 42 is in two outsides of cylindrical hole 41.
Semi-ring 43 and lower semi-ring 46 are installed on axle 3 in end cap ring body 12, clamping rings 26, prevent the dynamic left end of cylinder 23
It is in contact with the left end of positioning hole 11.
Axle 3 opens up fluted with the contact position of limited block 4, and O-ring 1 is identical with the specification of O-ring 2 44, before upper semi-ring 43
Subordinate end is connected by screw with the lower nock of semi-ring 46, and stationary ring end cap 1 is connected by screw with limited block 4.
Embodiment：Operating personnel is when installing limited block 4, first by the upper semi-ring 43 of limited block 4 and lower semi-ring
46 are rotated around rotating shaft connecting the two, and limited block 4 is arranged in the groove on axle 3, then revolved limited block 4 around axle 3
Turn, until by locating piece 42 in positioning hole 11, to realize the Primary Location of limited block 4 and stationary ring end cap 1, then use screw
The front lower ends of upper semi-ring 43 and the nock of lower semi-ring are linked together, O-ring 2 44 is finally arranged on sealing ring
On groove 2 45, the design preferably be located by connecting between limited block 4 and stationary ring end cap 1, solves because axle rotation 3 is transferred
Screw is caused to be broken, and then the drawbacks of influence position-limit mechanism stability, separable limited block 4 causes limited block in addition
Installing/dismounting is more convenient.
Clamping rings 26 is arranged on axle 3, then prevent dynamic circle by two by operating personnel first in the anti-dynamic device 2 of installation
Post 23 passes through through hole 22, is then moved to the left anti-dynamic cylinder 23 until the left end of anti-dynamic cylinder 23 and the inside left end of cylindrical hole 41
It is in contact, in anti-dynamic holding impaction state between cylinder 23 and limited block 4, nut 21 is arranged on anti-dynamic cylinder by operating personnel
On 23, then O-ring 1, is finally arranged on seal groove 1, the design is when limited block 4 fails by tightening nut 21
Limited block 4 can be prevented to be moved, further ensured job stability.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of mechanical seal position-limit mechanism, including stationary ring end cap（1）, anti-dynamic device（2）, axle（3）And limited block（4）, its
It is characterised by：The stationary ring end cap（1）Right-hand member is provided with limited block（4）, the limited block（4）Right-hand member is provided with anti-dynamic device
（2）, the stationary ring end cap（1）, anti-dynamic device（2）And limited block（4）It is installed in axle（3）On；
The stationary ring end cap（1）By positioning hole（11）With end cap ring body（12）Composition, the positioning hole（11）Provided with two, two
The positioning hole（11）It is opened in end cap ring body（12）Inside, two positioning holes（11）On end cap ring body（12）Up and down
Symmetrically；
The anti-dynamic device（2）By nut（21）, through hole（22）, anti-dynamic cylinder（23）, O-ring one（24）, seal groove one
（25）And clamping rings（26）Composition, the clamping rings（26）Right-hand member offers seal groove one（25）, the O-ring one
（24）Installed in seal groove one（25）On, the through hole（22）Provided with two, two through holes（22）It is symmetrical to be opened in admittedly
Determine annulus（26）Internal upper and lower side, the anti-dynamic cylinder（23）Through through hole（22）, the anti-dynamic cylinder（23）Axis
With through hole（22）Axis overlap, the nut（21）Installed in anti-dynamic cylinder（23）On, the nut（21）It is fixed on
Determine annulus（26）Left end；
The limited block（4）By cylindrical hole（41）, locating piece（42）, upper semi-ring（43）, O-ring two（44）, seal groove two
（45）And lower semi-ring（46）Composition, the lower semi-ring（46）Upper end is mounted with semi-ring（43）, the upper semi-ring（43）Rear portion
Lower end passes through rotating shaft and lower semi-ring（46）Rear upper end is connected, the cylindrical hole（41）Provided with two, two cylindrical holes
（41）Semi-ring is opened in respectively（43）The upper and lower semi-ring in right side（46）On right side, the locating piece（42）Provided with two,
Two locating pieces（42）It is respectively welded at semi-ring（43）Left end and lower semi-ring（46）Left end, two locating pieces（42）
It is placed in two cylindrical holes（41）Outside；
The end cap ring body（12）, clamping rings（26）Upper semi-ring（43）And lower semi-ring（46）It is installed in axle（3）On, it is described
Anti- dynamic cylinder（23）Left end and positioning hole（11）Left end is in contact.
A kind of 2. mechanical seal position-limit mechanism according to claim 1, it is characterised in that：The axle（3）With limited block（4）
Contact position opens up fluted.
A kind of 3. mechanical seal position-limit mechanism according to claim 1, it is characterised in that：The O-ring one（24）With O shapes
Circle two（44）Specification is identical.
A kind of 4. mechanical seal position-limit mechanism according to claim 1, it is characterised in that：The upper semi-ring（43）Under front portion
End passes through screw and lower semi-ring（46）Nock is connected.
A kind of 5. mechanical seal position-limit mechanism according to claim 1, it is characterised in that：The stationary ring end cap（1）Pass through
Screw and limited block（4）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455551.6U CN206708367U (en) | 2017-04-27 | 2017-04-27 | A kind of mechanical seal position-limit mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455551.6U CN206708367U (en) | 2017-04-27 | 2017-04-27 | A kind of mechanical seal position-limit mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708367U true CN206708367U (en) | 2017-12-05 |
Family
ID=60457603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455551.6U Withdrawn - After Issue CN206708367U (en) | 2017-04-27 | 2017-04-27 | A kind of mechanical seal position-limit mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979332A (en) * | 2017-04-27 | 2017-07-25 | 中山弗雷德机械有限公司 | A kind of mechanical seal position-limit mechanism |
-
2017
- 2017-04-27 CN CN201720455551.6U patent/CN206708367U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979332A (en) * | 2017-04-27 | 2017-07-25 | 中山弗雷德机械有限公司 | A kind of mechanical seal position-limit mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20180626 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20180626 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |