CN207005296U - A kind of Novel double-suction pump mechanical seal structure - Google Patents
A kind of Novel double-suction pump mechanical seal structure Download PDFInfo
- Publication number
- CN207005296U CN207005296U CN201720472028.4U CN201720472028U CN207005296U CN 207005296 U CN207005296 U CN 207005296U CN 201720472028 U CN201720472028 U CN 201720472028U CN 207005296 U CN207005296 U CN 207005296U
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- CN
- China
- Prior art keywords
- ring
- gland
- mechanical seal
- stage clip
- suction pump
- 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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Abstract
The utility model discloses a kind of Novel double-suction pump mechanical seal structure, its structure includes axle sleeve, locating ring, throw-out collar, gland, stationary ring, rotating ring, axle sleeve is on the inside of locating ring, locating ring is on the left of throw-out collar, throw-out collar is on the left of gland, gland is on the outside of stationary ring, stationary ring is on the right side of rotating ring, a kind of Novel double-suction pump mechanical seal structure of the present utility model, by provided with tensioning apparatus, realizing prevents the oversize surface abrasion of sealing ring usage time from seriously causing sealing to fail, and improves the practicality of device.
Description
Technical field
The utility model is a kind of Novel double-suction pump mechanical seal structure, belongs to mechanical seal field.
Background technology
Mechanical seal is a kind of gland seal device of rotating machinery, for example centrifugal pump, centrifuge, reactor and compressor etc. are set
It is standby, because power transmission shaft is applied in inside and outside equipment, so, a circumferential clearance between axle and equipment be present, the medium in equipment leads to
Cross the gap to leak out, if pressure subatmospheric in equipment, air is to equipment internal leakage, it is therefore necessary to has a resistance
The gland seal device of stopping leak leakage, the species of axle envelope is a lot, because mechanical seal has the advantages that leakage rate is few and long lifespan, so generation
Mechanical seal is to be called end face seal in the most important sealing mode of these equipment, mechanical seal in boundary, in the relevant mark of country
It is defined as in standard：" by least one pair of perpendicular to the end face of rotation axis in Fluid pressure and the work of compensation mechanism elastic force
With and the cooperation of auxiliary seal under the device for preventing fluid from leaking that keeps fitting and form with respect to slip.
Prior art published application number is a kind of CN201120507115.1 Novel double-suction pump mechanical seal structure, including
Pump shaft, double mechanical seal, mechanical seal cover, mechanical seal, mechanical sealing static ring seat, O-ring seals, mechanical seal punching
Wash entry/exit pipeline, suction pump casing, it is characterised in that：Installed on the suction pump casing of the both sides of mechanical seal on pump shaft
There is double mechanical seal, mechanical sealing static ring seat, machine are installed in the annular seal space of the suction pump casing on the inside of mechanical seal
It is fixed with stationary ring on tool stationary seal ring seat, stationary ring is connected pump shaft by O-ring seals, and the mechanical seal cover in outside is fixed
There is another stationary ring, mechanical seal rinsing entry/exit pipeline, the outer water receiving of mechanical seal rinsing inlet pipe are offered on suction pump casing
Source, it is to keep apart the medium that double entry pump pump conveys and annular seal space the advantages of the utility model, passes through mechanical seal rinsing pipeline
Quote normal temperature clear water from the external world to rinse mechanical seal, sewage of such double entry pump can conveying containing a small amount of debris, it is poisonous,
Have burn into it is volatile easily gasification etc. medium so that double entry pump be more widely applied with it is durable, still, the device can not prevent
The oversize surface abrasion of sealing ring usage time seriously causes sealing to fail, and practicality is poor.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of Novel double-suction pump mechanical seal knot
Structure, it can not prevent the oversize surface abrasion of sealing ring usage time from seriously causing sealing to fail with solving device, practicality is poor
Problem.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of Novel double-suction pump
Mechanical seal structure, its structure include axle sleeve, locating ring, throw-out collar, gland, stationary ring, rotating ring, and the axle sleeve is in locating ring
Side, the locating ring is on the left of throw-out collar, and the throw-out collar is on the left of gland, and the gland is on the outside of stationary ring, the stationary ring
On the right side of rotating ring, the axle sleeve is provided with sleeve sealing circle, and on the inside of axle sleeve, the locating ring is provided with the sleeve sealing circle
Tensioning apparatus, the gland are provided with gland ring, and for the gland ring on the left of gland, it is close that the stationary ring is provided with stationary ring
Seal, for the stationary ring sealing ring on the left of stationary ring, the rotating ring is provided with friction pair, seal ring of moving ring, and the friction pair is located at
On the right side of seal ring of moving ring, for the tensioning apparatus on the right side of locating ring, the tensioning apparatus is provided with stage clip bottom plate, stage clip, connection
Bar, stage clip top plate, the stage clip bottom plate are connected with stage clip, and the stage clip is on the outside of connecting rod, and the connecting rod is located at pressure
On the left of spring top plate.
Further, the axle sleeve is circle.
Further, the locating ring is connected by tensioning apparatus with gland ring.
Further, the seal ring of moving ring is connected by friction pair with stationary ring sealing ring.
Further, the friction pair is connected by stationary ring sealing ring with stationary ring.
Further, the tensioning apparatus is provided with 1.
Further, the sealing ring is provided with 4.
The beneficial effects of the utility model：By the way that provided with tensioning apparatus, realizing prevents the oversize table of sealing ring usage time
Surface wear seriously causes sealing to fail, and improves the practicality of device.
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 Novel double-suction pump mechanical seal structure of the utility model.
Fig. 2 is the structural representation of the utility model tensioning apparatus.
In figure：Axle sleeve -1, locating ring -2, throw-out collar -3, gland -4, stationary ring -5, rotating ring -6, sleeve sealing circle -10, tensioning dress
Put -20, gland ring -40, stationary ring sealing ring -50, friction pair -60, seal ring of moving ring -61, stage clip bottom plate -200, stage clip -
201st, connecting rod -202, stage clip top plate -203.
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. 2 is referred to, the utility model provides a kind of scheme of Novel double-suction pump mechanical seal structure：Its structure bag
Axle sleeve 1, locating ring 2, throw-out collar 3, gland 4, stationary ring 5, rotating ring 6 are included, the axle sleeve 1 is located at the inner side of locating ring 2, the locating ring 2
Located at the left side of throw-out collar 3, the throw-out collar 3 is located at rotating ring located at the left side of gland 4, the gland 4 located at the outside of stationary ring 5, the stationary ring 5
6 right sides, the axle sleeve 1 are provided with sleeve sealing circle 10, and the sleeve sealing circle 10 is provided with located at the inner side of axle sleeve 1, the locating ring 2
Tensioning apparatus 20, the gland 4 are provided with gland ring 40, and the gland ring 40 is located at the left side of gland 4, the stationary ring 5
Provided with stationary ring sealing ring 50, for the stationary ring sealing ring 50 located at the left side of stationary ring 5, it is close that the rotating ring 6 is provided with friction pair 60, rotating ring
Seal 61, the friction pair 60 is located at the right side of seal ring of moving ring 61, and the tensioning apparatus 20 is on the right side of locating ring 2, described
Tight device 20 is provided with stage clip bottom plate 200, stage clip 201, connecting rod 202, stage clip top plate 203, the stage clip bottom plate 200 and stage clip
201 are connected, and the stage clip 201 is located at the outside of connecting rod 202, and the connecting rod 202 is located at the left side of stage clip top plate 203.
Tensioning apparatus described in this patent, stage clip are subject to the helical spring of axial compressive force, and because that can bear pressure, both ends can
For open type or enclosed or around putting down or polishing, the material section used in it is mostly circle, and also useful rectangle and multiply steel entangle what is rolled,
Spring has equal pitch and pitches, and the shape of compression spring has：Cylinder, cone, camber and middle concave and a small amount of
Non-circular or even various tail end variant, can product need according to design shaping etc., have between the circle and circle of stage clip certain
Gap, spring contraction deforms when by external applied load, stores deformation energy.
In use, when the sealing ring surface abrasion of device is serious, stage clip can deploy from trend device both sides, prevent sealing from losing
Lose, by the way that provided with tensioning apparatus, realizing prevents the oversize surface abrasion of sealing ring usage time from seriously causing sealing to fail, and improves
The practicality of device.
Axle sleeve -1 of the present utility model, locating ring -2, throw-out collar -3, gland -4, stationary ring -5, rotating ring -6, sleeve sealing circle -
10th, the tensioning apparatus of tensioning apparatus-20-20, gland ring-40, stationary ring sealing ring-50, friction pair-60, seal ring of moving ring-
61st, stage clip bottom plate -200, stage clip -201, connecting rod -202, stage clip top plate -203, part are universal standard part or this area skill
Normal experiment can be learnt or be passed through to the part that art personnel know, its structure and principle all for this technology personnel by technical manual
Method knows the utility model solves the problems, such as it is that device can not prevent the oversize surface abrasion of sealing ring usage time from seriously causing
Sealing failure, practicality is poor, and the utility model is by the way that provided with tensioning apparatus, realizing prevents the oversize table of sealing ring usage time
Surface wear seriously causes sealing to fail, and improves the practicality of device, described in detail below：
The tensioning apparatus 20 located at the right side of locating ring 2, the tensioning apparatus 20 be provided with stage clip bottom plate 200, stage clip 201,
Connecting rod 202, stage clip top plate 203, the stage clip bottom plate 200 are connected with stage clip 201, and the stage clip 201 is located at connecting rod
202 outsides, the connecting rod 202 is located at the left side of stage clip top plate 203.
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 Novel double-suction pump mechanical seal structure, its structure include axle sleeve (1), locating ring (2), throw-out collar (3), gland (4),
Stationary ring (5), rotating ring (6), the axle sleeve (1) is on the inside of locating ring (2), and the locating ring (2) is on the left of throw-out collar (3), institute
Throw-out collar (3) is stated on the left of gland (4), for the gland (4) on the outside of stationary ring (5), the stationary ring (5) is right located at rotating ring (6)
Side, it is characterised in that：
The axle sleeve (1) is provided with sleeve sealing circle (10), and the sleeve sealing circle (10) is on the inside of axle sleeve (1)；
The locating ring (2) is provided with tensioning apparatus (20)；
The gland (4) is provided with gland ring (40), and the gland ring (40) is on the left of gland (4)；
The stationary ring (5) is provided with stationary ring sealing ring (50), and the stationary ring sealing ring (50) is on the left of stationary ring (5)；
The rotating ring (6) is provided with friction pair (60), seal ring of moving ring (61), and the friction pair (60) is located at seal ring of moving ring (61)
Right side；
For the tensioning apparatus (20) on the right side of locating ring (2), the tensioning apparatus (20) is provided with stage clip bottom plate (200), stage clip
(201), connecting rod (202), stage clip top plate (203), the stage clip bottom plate (200) are connected with stage clip (201), the stage clip
(201) on the outside of connecting rod (202), the connecting rod (202) is on the left of stage clip top plate (203).
A kind of 2. Novel double-suction pump mechanical seal structure according to claim 1, it is characterised in that：The axle sleeve (1) is
It is circular.
A kind of 3. Novel double-suction pump mechanical seal structure according to claim 1, it is characterised in that：The locating ring (2)
It is connected by tensioning apparatus (20) with gland ring (40).
A kind of 4. Novel double-suction pump mechanical seal structure according to claim 1, it is characterised in that：The seal ring of moving ring
(61) it is connected by friction pair (60) with stationary ring sealing ring (50).
A kind of 5. Novel double-suction pump mechanical seal structure according to claim 1, it is characterised in that：The friction pair (60)
It is connected by stationary ring sealing ring (50) with stationary ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720472028.4U CN207005296U (en) | 2017-05-02 | 2017-05-02 | A kind of Novel double-suction pump mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720472028.4U CN207005296U (en) | 2017-05-02 | 2017-05-02 | A kind of Novel double-suction pump mechanical seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005296U true CN207005296U (en) | 2018-02-13 |
Family
ID=61442244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720472028.4U Expired - Fee Related CN207005296U (en) | 2017-05-02 | 2017-05-02 | A kind of Novel double-suction pump mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005296U (en) |
-
2017
- 2017-05-02 CN CN201720472028.4U patent/CN207005296U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180213 Termination date: 20190502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |