CN208281221U - A kind of mechanical seal protective cover of proof submersible sand discharging pump - Google Patents
A kind of mechanical seal protective cover of proof submersible sand discharging pump Download PDFInfo
- Publication number
- CN208281221U CN208281221U CN201820751531.8U CN201820751531U CN208281221U CN 208281221 U CN208281221 U CN 208281221U CN 201820751531 U CN201820751531 U CN 201820751531U CN 208281221 U CN208281221 U CN 208281221U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- mechanical seal
- spiral case
- seal protective
- discharging 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of mechanical seal protective cover of proof submersible sand discharging pump; it is related to sewage pump technical field; the proof submersible sand discharging pump includes spiral case, the impeller and motor that are set in the spiral case; the output shaft of the motor passes through the spiral case and connect with the impeller; it is tightly connected between the motor and the spiral case by mechanical sealing base; the mechanical seal protective cover is sheathed on the output shaft and is fixed on the spiral case, and the mechanical seal protective cover is between the impeller and the mechanical sealing base.The utility model can be avoided influence of the sundries to mechanical sealing base, the service life of prolonged mechanical seal receptacle.
Description
Technical field
The utility model relates to sewage pump technical fields, and in particular to a kind of mechanical seal protective cover of proof submersible sand discharging pump.
Background technique
Proof submersible sand discharging pump primary structure includes spiral case, the impeller in spiral case, the motor connecting with impeller and sealing
The mechanical sealing base of motor and spiral case, proof submersible sand discharging pump are fixedly installed in the bottom, and when work, motor impeller turns in spiral case
Dynamic, the sundries in sewage and sewage enters spiral case from entrance, and spiral case is discharged from outlet, forms higher-pressure region, machine in spiral case at this time
It will form low-pressure area at tool seal receptacle, sundries can move to low-pressure area from higher-pressure region, and sundries can be deposited in low-pressure area, can be to machinery
Seal receptacle generates adverse effect, mechanical sealing base can be damaged after long-time, and then influence the normal operation of whole equipment.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of mechanical seal protective cover of proof submersible sand discharging pump, energy
Enough avoid influence of the sundries to mechanical sealing base, the service life of prolonged mechanical seal receptacle.
The utility model adopts the following technical solution:
A kind of mechanical seal protective cover of proof submersible sand discharging pump, the proof submersible sand discharging pump include spiral case, are set to the spiral case
Interior impeller and motor, the output shaft of the motor pass through the spiral case and connect with the impeller, the motor and the snail
It is tightly connected between shell by mechanical sealing base, the mechanical seal protective cover is sheathed on the output shaft and is fixed on described
On spiral case, the mechanical seal protective cover between the impeller and the mechanical sealing base, can directly prevent sundries from
Higher-pressure region in spiral case enters the low-pressure area at mechanical sealing base.
Preferably, between the mechanical seal protective cover and the mechanical sealing base be equipped with cavity, the cavity with it is described
The inner cavity of spiral case is connected to, and can continue to that water is allowed to form high pressure circulation.
Preferably, the mechanical seal protective cover is in the circular platform type of boring, the mechanical seal protective cover it is big straight
Diameter end is fixedly installed on the spiral case, and the larger diameter end of the mechanical seal protective cover and the spiral case are tightly connected, described
The smaller diameter end of mechanical seal protective cover is sheathed on the output shaft, and the mechanical seal protective cover is also provided with through-hole, institute
It states cavity to be connected to by the through-hole with the inner cavity of the spiral case, conducive to the high pressure circulation of water.
Preferably, offer the through-hole in the smaller diameter end of the mechanical seal protective cover, the through-hole with it is described defeated
Shaft coaxial arrangement, the diameter of the through-hole are greater than the diameter of the output shaft, the smaller diameter end of the mechanical seal protective cover
There are gap between the impeller, cavity 7 is connected to from gap 9 with the inner cavity of spiral case by through-hole 8, can allow water by into
Horizontal high voltage circulation, while sundries being avoided to enter.
Preferably, the width in the gap is not more than 5mm, and gap 9 is smaller, can be avoided sundries entrance.
Preferably, be additionally provided with helicla flute on the outer wall of the mechanical seal protective cover, can be to mechanical seal protective cover outside
The water flow of side forms dissection.
The utility model has the beneficial effects that the utility model can be avoided influence of the sundries to mechanical sealing base, extend machine
The service life of tool seal receptacle.
Detailed description of the invention
Attached drawing is used to provide the preferred understanding to the utility model, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model mechanical seal protective cover and impeller junction；
Fig. 3 is the structural schematic diagram of the utility model mechanical seal protective cover.
In the figure, it is marked as 1, spiral case；2, impeller；3, motor；4, output shaft；5, mechanical sealing base；6, mechanical seal is protected
Cover；7, cavity；8, through-hole；9, gap；10, helicla flute.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the accompanying drawing.
It as shown in Figure 1 to Figure 3, is a kind of mechanical seal protective cover of proof submersible sand discharging pump of the present embodiment, proof submersible sand discharging pump
Including spiral case 1, the impeller being set in spiral case 12 and motor 3, the output shaft 4 of motor 3 passes through spiral case 1 and connect with impeller 2, electricity
It is tightly connected between machine 3 and spiral case 1 by mechanical sealing base 5, mechanical seal protective cover 6 is sheathed on output shaft 4 and is fixed on
On spiral case 1, mechanical seal protective cover 6 is between impeller 2 and mechanical sealing base 5.
Cavity 7 is equipped between mechanical seal protective cover 6 and mechanical sealing base 5, cavity 7 is connected to the inner cavity of spiral case 1.
Mechanical seal protective cover 6 is in the circular platform type of boring, and the larger diameter end of mechanical seal protective cover 6 is fixedly installed on
On spiral case 1, the larger diameter end and spiral case 1 of mechanical seal protective cover 6 are tightly connected, the minor diameter end cap of mechanical seal protective cover 6
On output shaft 4, mechanical seal protective cover 6 is also provided with through-hole 8, and cavity 7 is connected to by through-hole 8 with the inner cavity of spiral case 1.
Through-hole 8 is offered in the smaller diameter end of mechanical seal protective cover 6, through-hole 8 and output shaft 4 are coaxially disposed, through-hole 8
Diameter is greater than the diameter of output shaft 4, and there are gaps 9 between the smaller diameter end and impeller 2 of mechanical seal protective cover 6.
The width in gap 9 is not more than 5mm.
Helicla flute 10 is additionally provided on the outer wall of mechanical seal protective cover 6.
Working principle of the utility model is:
After mechanical sealing protective 6 is installed, sundries can be directly prevented to enter mechanical sealing base from the higher-pressure region in spiral case
The low-pressure area at place, cavity 7 between mechanical seal protective cover 6 and mechanical sealing base 5 is by through-hole 8 from gap 9 and spiral case
Inner cavity connection, can allow water by carrying out high pressure circulation, and gap 9 is smaller, can be avoided sundries entrance, and then protect mechanical seal
Seat, the service life of prolonged mechanical seal receptacle.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of mechanical seal protective cover of proof submersible sand discharging pump, which is characterized in that the proof submersible sand discharging pump includes spiral case, is set to
Impeller and motor in the spiral case, the output shaft of the motor pass through the spiral case and connect with the impeller, the motor
It is tightly connected between the spiral case by mechanical sealing base, the mechanical seal protective cover is sheathed on the output shaft and consolidates
Due on the spiral case, the mechanical seal protective cover is between the impeller and the mechanical sealing base.
2. a kind of mechanical seal protective cover of proof submersible sand discharging pump according to claim 1, which is characterized in that the machinery is close
It seals and is equipped with cavity between protective cover and the mechanical sealing base, the cavity is connected to the inner cavity of the spiral case.
3. a kind of mechanical seal protective cover of proof submersible sand discharging pump according to claim 2, which is characterized in that the machinery is close
The circular platform type that protective cover is in boring is sealed, the larger diameter end of the mechanical seal protective cover is fixedly installed on the spiral case,
The larger diameter end of the mechanical seal protective cover and the spiral case are tightly connected, the minor diameter end cap of the mechanical seal protective cover
It is arranged on the output shaft, the mechanical seal protective cover is also provided with through-hole, and the cavity passes through the through-hole and the snail
The inner cavity of shell is connected to.
4. a kind of mechanical seal protective cover of proof submersible sand discharging pump according to claim 3, which is characterized in that the machinery is close
Seal in the smaller diameter end of protective cover and offer the through-hole, the through-hole and the output shaft are coaxially disposed, the through-hole it is straight
Diameter is greater than the diameter of the output shaft, and there are gaps between the smaller diameter end and the impeller of the mechanical seal protective cover.
5. a kind of mechanical seal protective cover of proof submersible sand discharging pump according to claim 4, which is characterized in that the gap
Width is not more than 5mm.
6. a kind of mechanical seal protective cover of proof submersible sand discharging pump according to any one of claim 1 to 5, feature exist
In being additionally provided with helicla flute on the outer wall of the mechanical seal protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751531.8U CN208281221U (en) | 2018-05-21 | 2018-05-21 | A kind of mechanical seal protective cover of proof submersible sand discharging pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751531.8U CN208281221U (en) | 2018-05-21 | 2018-05-21 | A kind of mechanical seal protective cover of proof submersible sand discharging pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281221U true CN208281221U (en) | 2018-12-25 |
Family
ID=64730633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820751531.8U Expired - Fee Related CN208281221U (en) | 2018-05-21 | 2018-05-21 | A kind of mechanical seal protective cover of proof submersible sand discharging pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005710A (en) * | 2019-12-19 | 2020-04-14 | 中石化四机石油机械有限公司 | Sand conveying and mixing system and control method |
| CN111042789A (en) * | 2019-12-19 | 2020-04-21 | 中石化四机石油机械有限公司 | Mixed discharging system |
| US11873619B1 (en) | 2022-09-06 | 2024-01-16 | Caterpillar Inc. | Guard for radiator blower units of machines |
-
2018
- 2018-05-21 CN CN201820751531.8U patent/CN208281221U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005710A (en) * | 2019-12-19 | 2020-04-14 | 中石化四机石油机械有限公司 | Sand conveying and mixing system and control method |
| CN111042789A (en) * | 2019-12-19 | 2020-04-21 | 中石化四机石油机械有限公司 | Mixed discharging system |
| CN111042789B (en) * | 2019-12-19 | 2022-03-18 | 中石化四机石油机械有限公司 | Mixed discharging system |
| CN111005710B (en) * | 2019-12-19 | 2022-03-18 | 中石化四机石油机械有限公司 | Sand conveying and mixing system and control method |
| US11873619B1 (en) | 2022-09-06 | 2024-01-16 | Caterpillar Inc. | Guard for radiator blower units of machines |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208281221U (en) | A kind of mechanical seal protective cover of proof submersible sand discharging pump | |
| CN204476777U (en) | Multi-impeller Centrifugal electro-pump | |
| CN202646135U (en) | Combination sealing structure of space guide vane body type twin-stage submerged pump | |
| CN105485027A (en) | Short-wheelbase sand-prevention horizontal submersible tubular type axis-flow pump | |
| CN210074940U (en) | Water pump adopting water-cooling waterproof motor | |
| CN201615081U (en) | Essential service water pump of nuclear power station of pressurized water reactor | |
| CN206439198U (en) | A kind of low Pulp pump of flushing water pressure | |
| CN108035719B (en) | Shield machine | |
| CN210343739U (en) | Double-suction submersible pump | |
| CN104832348A (en) | Water energy power output device | |
| CN206189521U (en) | Fold cover installation end latent pump water supply device of intaking | |
| CN212130819U (en) | High-efficiency energy-saving dredging stirring pump | |
| CN203362632U (en) | Novel water-cooling type water pump | |
| CN201187456Y (en) | Large-scale vertical water pump for factory of nuclear power station | |
| CN207701375U (en) | A kind of immersion circulating pump with multistage imbibition chamber | |
| CN210240003U (en) | Low-lift water pump | |
| CN202431570U (en) | Space guide blade type long shaft pump depressurizing structure | |
| CN204082566U (en) | Flame-proof mine subduction coal slime electric pump | |
| CN214742138U (en) | Route structure of immersed pump motor cable pump | |
| CN201621077U (en) | Novel sewage/waste electrical submersible pump | |
| CN202597248U (en) | Pump body for process control system (PCS) recirculation pump | |
| CN203453109U (en) | Seal device for upper-pump-type submerged pump | |
| CN203362618U (en) | Pressure-relief structure of submersible sewage pump | |
| CN209325110U (en) | A kind of fire pump with check valve | |
| CN210799402U (en) | Shielding circulating pump |
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: 20181225 Termination date: 20190521 |