CN208749648U - A kind of mechanical seal mounting structure in immersible pump - Google Patents
A kind of mechanical seal mounting structure in immersible pump Download PDFInfo
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- CN208749648U CN208749648U CN201821511823.0U CN201821511823U CN208749648U CN 208749648 U CN208749648 U CN 208749648U CN 201821511823 U CN201821511823 U CN 201821511823U CN 208749648 U CN208749648 U CN 208749648U
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- cylinder cover
- stationary ring
- oil cylinder
- immersible pump
- mechanical seal
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Abstract
The utility model provides the mechanical seal mounting structure in a kind of immersible pump, belongs to pumps design manufacturing technology field.This immersible pump includes base, the stator being arranged in base, the shaft being arranged in base and the rotor of drive shaft rotation, mechanical seal mounting structure includes the oil pocket being arranged on base, the oil cylinder cover for blocking oil pocket, the rotating ring and stationary ring being set in shaft, and shaft passes through oil pocket and oil cylinder cover；The middle part of oil cylinder cover has the annular mounting groove of twisted rotary shaft, and stationary ring is located in annular mounting groove, and the pressing plate that can be pressed to stationary ring in mounting groove is fixedly provided on oil cylinder cover, and rotating ring is located in oil pocket and leans with the end face of stationary ring.Mechanical seal mounting structure in the utility model reduces the phenomenon that abrasion of the seal rubber part on stationary ring and stationary ring, effectively improves the service life of immersible pump.
Description
Technical field
The utility model belongs to water pump structure design field, is related to a kind of immersible pump, in especially a kind of immersible pump
Mechanical seal mounting structure.
Background technique
Immersible pump is a kind of currently used water lift, and whole equipment pulls the plug work when use, by protruding into water
In cable power to the motor of immersible pump, eliminate transmission long axis, thus compact-sized, it is light-weight, install, use and shift
Convenient, motor generates centrifugal force by the rotation of pump shaft impeller, increases its energy liquid acting, acts in centrifugal force
Under, liquid is thrown toward impeller outlet along blade passage, and underground water is extracted earth's surface, can be used for domestic water, mine is speedily carried out rescue work, work
Industry cooling, field irrigation, seawater lift, steamer tune carry, it may also be used for fountain landscape；General flow can achieve 5m3/h~
650m3/ h, lift can reach 10m~550m.Sealing structure in immersible pump directly affects the service life of immersible pump, existing
Immersible pump in the multi-sealing structures such as mechanical seal and reinforced seal would generally be set, wherein if mechanical seal fail, dive
Water pump cannot normal use, need to place under repair or replace.
Chinese patent (notification number: CN206346921U, publication date: 2017-07-21) discloses a kind of novel protected machinery
The sewage pump pressure relief of sealing, including base, upper cover and the pump housing, base is interior to be equipped with shaft, stator and rotor, base and upper cover
It is tightly connected, base and the pump housing are tightly connected by sealing plate and constitute an oil pocket, are equipped with the leaf rotated with shaft in the pump housing
Wheel connects impeller in the bottom of shaft and configures outside framework oil seal, and oil pocket is interior equipped with mechanical seal and affixed；Positioned at outside framework oil seal with
Relief hole is provided on the pump housing between mechanical seal；It is tightly connected between base and upper cover by nut assembly；Base and pump
It is tightly connected by nut assembly between body and sealing plate, mechanical seal is connected on the pump housing by screw and sealing clamp；
The side of oil pocket is equipped with oil filler point.
The mechanical seal being arranged in above patent document is easy failure, causes the service life of entire immersible pump shorter.
Summary of the invention
The utility model aiming at the above problems existing in the prior art, provides the mechanical seal installation in a kind of immersible pump
Structure, the technical problem to be solved by the utility model is to how to effectively improve in immersible pump the wearability of mechanical seal and can
By property.
The purpose of this utility model can be realized by the following technical scheme:
A kind of mechanical seal mounting structure in immersible pump, immersible pump include base, the stator being arranged in base, setting
The rotor of shaft and drive shaft rotation in base, which is characterized in that the mechanical seal mounting structure includes setting
In oil pocket, the oil cylinder cover for blocking the oil pocket, the rotating ring and stationary ring being set in the shaft on the base, the shaft
Across the oil pocket and oil cylinder cover；The middle part of the oil cylinder cover has the annular mounting groove around the shaft, the stationary ring position
In in the annular mounting groove, being fixedly provided with the pressing plate that can be pressed to the stationary ring in the mounting groove on the oil cylinder cover,
The rotating ring is located in the oil pocket and leans with the end face of the stationary ring.
The principle is as follows: the pump housing of immersible pump lower end is equipped with water inlet, and the pump housing is located at below base, and the two is connected, the pump housing
Lower end side is equipped with water outlet, and the lower end of shaft is installed with impeller, and after immersible pump powers on, rotor drives shaft rotation fortune
Dynamic, shaft impeller rotation, liquid enters from the inlet in the pump housing, the liquid at pump housing inner impeller with impeller blade one
Rotation is played, under the influence of centrifugal force, impeller is flown away from and is projected outward by water outlet, to be promoted onto earth's surface.Usual shaft
Lower end also match and be arranged with outside framework oil seal, the mechanical seal collective effect with the technical program prevents liquid from entering base
Inner cavity in damage immersible pump.Mechanical seal mounting structure its stationary ring in the technical program is arranged in annular mounting groove
, and it is fixed by pressing plate, remain stationary stationary ring motionless, effectively prevent stationary ring and dynamic
During ring interacts, the phenomenon that the two occurs bonding and generates rotating ring band dynamic and static ring rotation, to reduce stationary ring and quiet
The phenomenon that seal rubber part on ring is worn, effectively improves the service life of immersible pump.In addition during the installation process, pressing plate is utilized
Stationary ring installation site can be corrected, prevents stationary ring from existing and fills inclined phenomenon, to guarantee its sealing effect.
In the mechanical seal mounting structure in above-mentioned immersible pump, the upper end of the stationary ring has clamping plane, described
There is the seal boss in cone cylinder shape of protrusion, the end face phase of the outer end face of the seal boss and the rotating ring on clamping plane
Against；The pressing plate is annular in shape, and the pressing plate is set on the seal boss and the pressing plate is pressed in close to the bottom surface at middle part
On the clamping plane.
In the mechanical seal mounting structure in above-mentioned immersible pump, the outer peripheral surface of the stationary ring and bottom surface have sealing rubber
The upper surface of glue part, the notch of the annular mounting groove and the seal rubber part is below the clamping plane.
In the mechanical seal mounting structure in above-mentioned immersible pump, the upper surface of the seal rubber part and the annular
The notch flush of mounting groove；Notch degree 0.3~0.5mm of the clamping plane above the annular mounting groove.Such energy
Enough so that under the premise of not influencing seal rubber part function, the enough deformation spaces of stationary ring are given, guarantee that pressing plate generates stationary ring
Reliable and stable is fixed effect.
There is installation spiral shell in the mechanical seal mounting structure in above-mentioned immersible pump, on the medial surface of the oil cylinder cover
Hole is bolted with fixing screws in the installation screw, and the pressing plate is annular in shape and is connected in the oil by the fixing screws
On cylinder cap.After associated components are completed by oil cylinder cover, on being assembled to base, installation and removal are convenient.
In the mechanical seal mounting structure in above-mentioned immersible pump, all edge shafts of the oil cylinder cover it is radial to four
Zhou Yanshen, the oil cylinder cover are fixed on the base by mounting screw, and the side of the oil cylinder cover has prolongs into oil pocket
The annular seal plate stretched is equipped with sealing element between the lateral surface of the annular seal plate and the inner wall of the oil pocket.In this way can
It effectively prevent the oil liquid in oil pocket to reveal.
Further, when immersible pump vertically works, oil cylinder cover is located at the bottom of oil pocket, on the inside of oil cylinder cover and oil pocket it is interior
Lateral roof is equipped with above-mentioned stationary ring and rotating ring, and two groups of stationary rings and rotating ring are symmetrical arranged.
Compared with prior art, it is had the advantage that in the utility model
1, mechanical seal mounting structure its stationary ring in the utility model is arranged in annular mounting groove, and passes through pressure
Plate is fixed, and remain stationary stationary ring motionless, and stationary ring and rotating ring is effectively prevent to interact
During, there is the phenomenon that bonding and generating rotating ring band dynamic and static ring rotation in the two, to reduce the sealing on stationary ring and stationary ring
The phenomenon that rubber parts is worn, effectively improves the service life of immersible pump.
2, the mechanical seal mounting structure in the utility model during the installation process, can correct stationary ring using pressing plate and install
Position prevents stationary ring from existing and fills inclined phenomenon, to guarantee its sealing effect.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of immersible pump.
Fig. 2 is the schematic diagram of this machinery sealing installation structure.
Fig. 3 is the schematic cross-sectional view of stationary ring in this machinery sealing installation structure.
In figure, 1, base；2, stator；3, shaft；4, rotor；5, oil pocket；6, oil cylinder cover；61, annular mounting groove；62, pacify
Fill screw hole；63, annular seal plate；7, impeller；8, rotating ring；9, stationary ring；91, clamping plane；92, seal boss；93, seal rubber
Part；10, outside framework oil seal；11, pressing plate；12, fixing screws；13, mounting screw；14, sealing element；15, the pump housing.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, Figure 2 and Figure 3, this immersible pump includes base 1, the stator being arranged in base 12, is arranged in base 1
The rotor 4 that interior shaft 3 and drive shaft 3 rotate, immersible pump further include the pump housing 15, and the pump housing 15 is located at 1 lower section of base, the pump housing
15 are connected with base 1, and the lower end of the pump housing 15 is equipped with water inlet, and the side of the pump housing 15 is equipped with water outlet, and the lower end of shaft 3 is installed with
Impeller 7, mechanical seal mounting structure include the oil pocket 5 being arranged on base 1, the oil cylinder cover 6 for blocking oil pocket 5, are set in shaft 3
On rotating ring 8 and stationary ring 9, shaft 3 pass through oil pocket 5 and oil cylinder cover 6；The middle part of oil cylinder cover 6 has the annular installation of twisted rotary shaft 3
Slot 61, stationary ring 9 are located in annular mounting groove 61, and the pressing plate that can be pressed to stationary ring 9 in mounting groove is fixedly provided on oil cylinder cover 6
11, rotating ring 8 is located in oil pocket 5 and leans with the end face of stationary ring 9.Further, as shown in Figures 2 and 3, the upper end of stationary ring 9
With clamping plane 91, there is the seal boss 92 in cone cylinder shape of protrusion, the outer end face of seal boss 92 on clamping plane 91
It leans with the end face of rotating ring 8；Pressing plate 11 is annular in shape, pressing plate 11 be set on seal boss 92 and pressing plate 11 close to middle part bottom
Face pressure is on clamping plane 91；The outer peripheral surface of stationary ring 9 and bottom surface have a seal rubber part 93, the notch of annular mounting groove 61 and close
The upper surface of envelope rubber parts 93 is below clamping plane 91.After immersible pump powers on, rotor 4 drives 3 rotary motion of shaft, turns
The rotation of 3 impeller 7 of axis, liquid enters from the inlet in the pump housing 15, the liquid at 15 inner impeller 7 of the pump housing with impeller 7 leaf
Piece rotates together, under the influence of centrifugal force, flies away from impeller 7 and is projected outward by water outlet, to be promoted onto earth's surface.Usually
The lower end of shaft 3, which is also matched, is arranged with outside framework oil seal 10, and the mechanical seal collective effect with the technical program prevents liquid from entering
Immersible pump is damaged into the inner cavity of base 1.Mechanical seal mounting structure its stationary ring 9 in the technical program is that setting is pacified in annular
It in tankage 61, and is fixed by pressing plate 11, remain stationary stationary ring 9 motionless, effectively
During preventing stationary ring 9 and rotating ring 8 from interacting, bonding and generating the phenomenon that rotating ring 8 is rotated with dynamic and static ring 9 occur in the two,
To reduce the phenomenon that seal rubber part 93 on stationary ring 9 and stationary ring 9 is worn, the service life of immersible pump is effectively improved.In addition
During the installation process, 9 installation site of stationary ring can be corrected using pressing plate 11, prevents stationary ring 9 from existing and fill inclined phenomenon, to guarantees it
Sealing effect.
The notch flush of the upper surface of seal rubber part 93 and annular mounting groove 61 in the present embodiment；Clamping plane 91 is high
For 0.3~0.5mm of notch degree of annular mounting groove 61；Preferably 0.4mm；It enables to do not influencing seal rubber part in this way
Under the premise of 93 functions, the enough deformation spaces of stationary ring 9 are given, guarantee that pressing plate 11 generates reliable and stable be fixed to stationary ring 9
Effect.
As shown in Fig. 2, having installation screw 62 on the medial surface of oil cylinder cover 6, fixing screws are bolted in installation screw 62
12, pressing plate 11 is annular in shape and is connected on oil cylinder cover 6 by fixing screws 12, after associated components are completed by oil cylinder cover 6,
On being assembled to base 1, installation and removal are convenient；The radial direction of all edge shafts 3 of oil cylinder cover 6 extends around, and oil cylinder cover 6 is logical
It crosses mounting screw 13 to be fixed on base 1, the side of oil cylinder cover 6 has the annular seal plate 63 extended into oil pocket 5, and annular is close
It is equipped with sealing element 14 between the lateral surface of sealing plate 63 and the inner wall of oil pocket 5, the oil liquid in oil pocket 5 can be effectively prevent to let out in this way
Dew.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, base is used more herein；2, stator；3, shaft；4, rotor；5, oil pocket；6, oil cylinder cover；61, ring
Shape mounting groove；62, installation screw；63, annular seal plate；7, impeller；8, rotating ring；9, stationary ring；91, clamping plane；92, it seals convex
Platform；93, seal rubber part；10, outside framework oil seal；11, pressing plate；12, fixing screws；13, mounting screw；14, sealing element；15, it pumps
The terms such as body, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain the essence of the utility model；Being construed as any additional limitation is disagreed with the spirit of the present invention
's.
Claims (6)
1. the mechanical seal mounting structure in a kind of immersible pump, immersible pump includes the stator of base (1), setting in base (1)
(2), the rotor (4) for shaft (3) and drive shaft (3) rotation being arranged in base (1), which is characterized in that the machinery
Sealing installation structure includes the oil pocket (5) being arranged on the base (1), the oil cylinder cover (6) for blocking the oil pocket (5), is arranged
Rotating ring (8) and stationary ring (9) on the shaft (3), the shaft (3) pass through the oil pocket (5) and oil cylinder cover (6)；It is described
The middle part of oil cylinder cover (6) has the annular mounting groove (61) around the shaft (3), and the stationary ring (9) is located at the annular peace
In tankage (61), the pressing plate that the stationary ring (9) can be pressed in the mounting groove is fixedly provided on the oil cylinder cover (6)
(11), the rotating ring (8) is located in the oil pocket (5) and leans with the end face of the stationary ring (9).
2. the mechanical seal mounting structure in immersible pump according to claim 1, which is characterized in that the stationary ring (9)
Upper end has clamping plane (91), has the seal boss (92) in cone cylinder shape of protrusion on the clamping plane (91), described
The outer end face of seal boss (92) and the end face of the rotating ring (8) lean；The pressing plate (11) annularly, the pressing plate (11)
It is set on the seal boss (92) and the pressing plate (11) is pressed on the clamping plane (91) close to the bottom surface at middle part.
3. the mechanical seal mounting structure in immersible pump according to claim 2, which is characterized in that the stationary ring (9)
Outer peripheral surface and bottom surface have seal rubber part (93), the notch of the annular mounting groove (61) and the seal rubber part (93)
Upper surface is below the clamping plane (91).
4. the mechanical seal mounting structure in immersible pump according to claim 3, which is characterized in that the seal rubber part
(93) the notch flush of upper surface and the annular mounting groove (61)；The clamping plane (91) is above the annular peace
0.3~0.5mm of notch degree of tankage (61).
5. the mechanical seal mounting structure in immersible pump according to claim 1 or 2 or 3 or 4, which is characterized in that described
There are installation screw (62) on the medial surface of oil cylinder cover (6), be bolted with fixing screws (12) in the installation screw (62), it is described
Pressing plate (11) is annular in shape and is connected on the oil cylinder cover (6) by the fixing screws (12).
6. the mechanical seal mounting structure in immersible pump according to claim 1 or 2 or 3 or 4, which is characterized in that described
The radial direction of all edge shafts (3) of oil cylinder cover (6) extends around, and the oil cylinder cover (6) is fixed on by mounting screw (13)
On the base (1), the side of the oil cylinder cover (6) has the annular seal plate (63) extended into oil pocket (5), the annular
Sealing element (14) are equipped between the lateral surface of sealing plate (63) and the inner wall of the oil pocket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511823.0U CN208749648U (en) | 2018-09-14 | 2018-09-14 | A kind of mechanical seal mounting structure in immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511823.0U CN208749648U (en) | 2018-09-14 | 2018-09-14 | A kind of mechanical seal mounting structure in immersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN208749648U true CN208749648U (en) | 2019-04-16 |
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ID=66084507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511823.0U Active CN208749648U (en) | 2018-09-14 | 2018-09-14 | A kind of mechanical seal mounting structure in immersible pump |
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| Country | Link |
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| CN (1) | CN208749648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
| CN117006095A (en) * | 2023-09-28 | 2023-11-07 | 江苏泰丰泵业有限公司 | Shaft sealing cover of submersible pump |
-
2018
- 2018-09-14 CN CN201821511823.0U patent/CN208749648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454431A (en) * | 2019-09-17 | 2019-11-15 | 苏州沃达园林机械有限公司 | The cold lubrication system of oil of submersible pump mechanical seal |
| CN117006095A (en) * | 2023-09-28 | 2023-11-07 | 江苏泰丰泵业有限公司 | Shaft sealing cover of submersible pump |
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