CN204532883U - A kind of proof submersible sand discharging pump - Google Patents
A kind of proof submersible sand discharging pump Download PDFInfo
- Publication number
- CN204532883U CN204532883U CN201520232873.5U CN201520232873U CN204532883U CN 204532883 U CN204532883 U CN 204532883U CN 201520232873 U CN201520232873 U CN 201520232873U CN 204532883 U CN204532883 U CN 204532883U
- Authority
- CN
- China
- Prior art keywords
- pump
- rotating shaft
- pump cover
- impeller
- 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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Abstract
The utility model provides a kind of proof submersible sand discharging pump, belongs to submersible pump technical field, it solve the technical problem that in existing proof submersible sand discharging pump, machine shaft easily moves axially, sealing is poor, a kind of proof submersible sand discharging pump, comprise the pump housing, pump cover and casing, pump cover is connected with the pump housing and casing respectively, in pump cover, there is oil pocket, impeller is provided with in the pump housing, motor is provided with in casing, the rotating shaft of motor is passed oil pocket and is stretched in the pump housing and is connected with impeller, pump cover one end adjacent with impeller is to oil pocket sunken inside and be formed with receiving groove, some blades that impeller comprises axle sleeve and is connected with axle sleeve, axle sleeve is positioned at receiving groove and is fixedly connected with rotating shaft, rotating shaft is provided with the first Sealing shield ring being positioned at receiving groove, the two ends of the first Sealing shield ring are against on pump cover and axle sleeve respectively, first Sealing shield ring is closely connected with rotating shaft, adds the sealing between rotating shaft and pump cover, can play the effect of firm impeller simultaneously, avoids rotating shaft to produce and moves axially.
Description
Technical field
The utility model belongs to submersible pump technical field, relates to a kind of diving draining pump.
Background technique
Proof submersible sand discharging pump is type representative in submersible pump, and be mainly used in the industries such as municipal engineering, industry, hospital, building, hotel, restaurant, it is for dispatch band solid and various long stapled mud, waste water, city domestic sewage.
Existing proof submersible sand discharging pump generally reaches dispatch object by driven by motor wheel rotation, and the dispatch object of proof submersible sand discharging pump is more complicated than general liquid, therefore, the resistance that impeller in the pump housing is subject to when contacting with dispatch thing is larger, easily make the rotating shaft of motor produce to move axially, comparatively wide arc gap can be formed between rotating shaft and pump cover, cause the sealing between rotating shaft and pump cover to reduce, affect the normal use of proof submersible sand discharging pump.
In sum, in order to solve the technical problem that above-mentioned proof submersible sand discharging pump exists, machine shaft from moving axially, the good proof submersible sand discharging pump of sealing to need design one to prevent.
Model utility content
The purpose of this utility model is the problems referred to above existed for prior art, proposes one and can prevent that machine shaft from moving axially, the good proof submersible sand discharging pump of sealing.
The purpose of this utility model realizes by following technical proposal: a kind of proof submersible sand discharging pump, comprise the pump housing, pump cover and casing, described pump cover is between the pump housing and casing and be connected with the pump housing and casing respectively, in described pump cover, there is oil pocket, impeller is provided with in the pump housing, motor is provided with in casing, the rotating shaft of motor is passed oil pocket and is stretched in the pump housing and is connected with impeller, pump cover one end adjacent with impeller is to oil pocket sunken inside and be formed with receiving groove, some blades that described impeller comprises axle sleeve and is connected with axle sleeve, described axle sleeve is positioned at receiving groove and is fixedly connected with rotating shaft, rotating shaft is provided with the first Sealing shield ring being positioned at receiving groove, the two ends of the first Sealing shield ring are against on pump cover and axle sleeve respectively.
In above-mentioned a kind of proof submersible sand discharging pump, the end face that blade is relative with pump cover is provided with positioning sliding block, and described positioning sliding block is affixed on pump cover.
In above-mentioned a kind of proof submersible sand discharging pump, described rotating shaft outer surface offers the restraining groove being positioned at oil pocket, in restraining groove, be provided with position limit cycle, be provided with the second Sealing shield ring between position limit cycle and pump cover internal surface, described second Sealing shield ring is against on position limit cycle and pump cover respectively.
Compared with prior art, the utility model has following beneficial effect:
1, by arranging axle sleeve and make axle sleeve be set in rotating shaft on impeller, add the area of contact of impeller and rotating shaft, impeller is connected more tight, firm with rotating shaft, and on pump cover, be formed with receiving groove, axle sleeve is positioned at receiving groove, avoiding the volume increasing the pump housing because arranging axle sleeve and the length increasing rotating shaft, making whole submersible sewage pump structure compacter, effectively reducing the volume of proof submersible sand discharging pump.
2, simultaneously, first Sealing shield ring is set between axle sleeve and pump cover, first Sealing shield ring to be set in rotating shaft and to be closely connected with rotating shaft, add the sealing between rotating shaft and pump cover on the one hand, the fluid in the pump housing is avoided to be entered in oil pocket the normal practicality affecting this proof submersible sand discharging pump by the gap between rotating shaft and pump cover, on the other hand, first Sealing shield ring can play the effect of firm impeller, avoid impeller under the drag effect of dispatch thing, make rotating shaft produce to move axially, strengthen the sealing between rotating shaft and pump cover.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model one preferred embodiment.
Fig. 2 is the enlarged view at A place in Fig. 1.
In figure, 100, the pump housing; 110, impeller; 111, axle sleeve; 112, blade; 113, positioning sliding block; 200, pump cover; 210, oil pocket; 220, receiving groove; 300, casing; 310, motor; 311, rotating shaft; 312, the first Sealing shield ring; 313, restraining groove; 314, position limit cycle; 315, the second Sealing shield ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1, shown in Fig. 2, a kind of proof submersible sand discharging pump, comprise the pump housing 100, pump cover 200 and casing 300, described pump cover 200 is between the pump housing 100 and casing 300 and be connected with the pump housing 100 and casing 300 respectively, in described pump cover 200, there is oil pocket 210, impeller 110 is provided with in the pump housing 100, motor 310 is provided with in casing 300, the rotating shaft 311 of motor 310 is passed oil pocket 210 and is stretched in the pump housing 100 and is connected with impeller 110, pump cover 200 one end adjacent with impeller 110 is to oil pocket 210 sunken inside and be formed with receiving groove 220, some blades 112 that described impeller 110 comprises axle sleeve 111 and is connected with axle sleeve 111, described axle sleeve 111 is positioned at receiving groove 220 and is fixedly connected with rotating shaft 311, herein, axle sleeve 111 is positioned at receiving groove 220, avoid the volume increasing the pump housing 100 because arranging axle sleeve 111 and the length increasing rotating shaft 311, make whole submersible sewage pump structure compacter, effectively reduce the volume of proof submersible sand discharging pump, rotating shaft 311 is provided with the first Sealing shield ring 312 being positioned at receiving groove 220, the two ends of the first Sealing shield ring 312 are against pump cover 200 respectively with on axle sleeve 111, the setting of the first Sealing shield ring 312 avoids impeller 110 and directly contacts with pump cover 200, prevent impeller 110 make under running up impeller 110 self or pump cover 200 impaired, in addition, first Sealing shield ring 312 plays the effect of keeping out, prevent impeller 110 under the resistance of dispatch thing, making rotating shaft 311 move axially, ensure that, between rotating shaft 311 and pump cover 200, there is good sealing.
As improvement, the end face that blade 112 is relative with pump cover 200 is provided with positioning sliding block 113, described positioning sliding block 113 is affixed on pump cover 200, after positioning sliding block 113 is set, when impeller 110 rotates, blade 112 can slide on pump cover 200, reduce the resistance between blade 112 and pump cover 200, blade 112 is avoided to contact with pump cover 200 and make blade 112 impaired, simultaneously, the pump housing 100 inner space and receiving groove 220 separate by positioning sliding block 113, avoid the fluid in the pump housing 100 inner space to enter in receiving groove 220 to contact with rotating shaft 311 or the first Sealing shield ring 312, make the first Sealing shield ring 312 not perishable or produce deformation, further increase the sealing between pump cover 200 and rotating shaft 311.
As further improvement, described rotating shaft 311 outer surface offers the restraining groove 313 being positioned at oil pocket 210, position limit cycle 314 is provided with in restraining groove 313, between position limit cycle 314 and pump cover 200 internal surface, be provided with the second Sealing shield ring 315, described second Sealing shield ring 315 is against position limit cycle 314 respectively with on pump cover 200.
Second Sealing shield ring 315 is set herein and has two effects, the first reduces the possibility that rotating shaft 311 moves axially further, increase the stability of rotating shaft 311, it two is avoid the fluid in oil pocket 210 to be penetrated in casing 300 by the gap between rotating shaft 311 and pump cover 200, affects the normal use of motor 310.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (3)
1. a proof submersible sand discharging pump, comprise the pump housing, pump cover and casing, described pump cover is between the pump housing and casing and be connected with the pump housing and casing respectively, in described pump cover, there is oil pocket, impeller is provided with in the pump housing, motor is provided with in casing, the rotating shaft of motor is passed oil pocket and is stretched in the pump housing and is connected with impeller, it is characterized in that: pump cover one end adjacent with impeller is to oil pocket sunken inside and be formed with receiving groove, some blades that described impeller comprises axle sleeve and is connected with axle sleeve, described axle sleeve is positioned at receiving groove and is fixedly connected with rotating shaft, rotating shaft is provided with the first Sealing shield ring being positioned at receiving groove, the two ends of the first Sealing shield ring are against on pump cover and axle sleeve respectively.
2. a kind of proof submersible sand discharging pump according to claim 1, is characterized in that: the end face that blade is relative with pump cover is provided with positioning sliding block, and described positioning sliding block is affixed on pump cover.
3. a kind of proof submersible sand discharging pump according to claim 1 and 2, it is characterized in that: described rotating shaft outer surface offers the restraining groove being positioned at oil pocket, position limit cycle is provided with in restraining groove, between position limit cycle and pump cover internal surface, be provided with the second Sealing shield ring, described second Sealing shield ring is against on position limit cycle and pump cover respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232873.5U CN204532883U (en) | 2015-04-10 | 2015-04-10 | A kind of proof submersible sand discharging pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232873.5U CN204532883U (en) | 2015-04-10 | 2015-04-10 | A kind of proof submersible sand discharging pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532883U true CN204532883U (en) | 2015-08-05 |
Family
ID=53746892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520232873.5U Expired - Fee Related CN204532883U (en) | 2015-04-10 | 2015-04-10 | A kind of proof submersible sand discharging pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555765A (en) * | 2015-09-30 | 2017-04-05 | 杭州三花研究院有限公司 | Electric drive pump |
-
2015
- 2015-04-10 CN CN201520232873.5U patent/CN204532883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555765A (en) * | 2015-09-30 | 2017-04-05 | 杭州三花研究院有限公司 | Electric drive pump |
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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 |
Granted publication date: 20150805 Termination date: 20170410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |