CN215058234U - Vertical submerged pump capable of increasing water absorption depth - Google Patents
Vertical submerged pump capable of increasing water absorption depth Download PDFInfo
- Publication number
- CN215058234U CN215058234U CN202121099283.1U CN202121099283U CN215058234U CN 215058234 U CN215058234 U CN 215058234U CN 202121099283 U CN202121099283 U CN 202121099283U CN 215058234 U CN215058234 U CN 215058234U
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- Prior art keywords
- pump
- pump cover
- water
- lantern ring
- plugging object
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 31
- 239000007789 gas Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vertical submerged pump for increasing the water absorption depth, which comprises a motor, a pump shaft, a lower bearing, a pump cover, a pump body, an impeller, a liquid outlet pipe, a sealing mechanism and a suction pipe, wherein the suction pipe is fixed at the water inlet of the pump body, the lower end of the lower bearing on the pump cover is provided with a pump cover clapboard, the pump cover is also provided with a cleaning water through hole, the sealing mechanism is arranged between the pump shaft and the pump cover and positioned at the lower end of the pump cover clapboard, the sealing mechanism comprises a lantern ring, an upper plugging object, a lower plugging object, a blocking ring, a high-pressure cleaning water pipe and a high-pressure water pump, the upper end surface of the upper plugging object is abutted with the lower end surface of the pump cover clapboard, the upper plugging object, the lantern ring, the lower plugging object and the blocking ring are abutted in turn, the blocking ring is fixedly connected with the pump cover, one end of the cleaning water through hole faces the lantern ring, the other end is connected with the high-pressure cleaning water pipe, the high-pressure cleaning water pipe is connected with the high-pressure water pump, the utility model has the advantages of sealed effectual, effectively prevent gas and liquid to get into the pump body, bearing long service life.
Description
Technical Field
The utility model relates to a centrifugal submerged pump technical field, specific vertical submerged pump of increase depth of absorbing water that says so.
Background
The submerged pump is applied to the fields of petrochemical industry, agriculture, urban water, domestic water and the like, the liquid level in a water pool is higher when the vertical submerged pump used in the prior art is started, the impeller can be submerged, the submerged pump can be normally started, but the impeller leaves the liquid level along with the falling of the liquid level, and the submerged pump cannot normally work mainly because a gap exists between the pump cover and the pump shaft of the submerged pump, and gas can enter the gap, so that the negative pressure of a water inlet of the pump body is damaged, the impeller cannot suck liquid and cannot work due to the rotation of the impeller, the vertical submerged pump used in the prior art comprises a motor, a pump shaft, a lower bearing, a pump cover, a pump body, an impeller and a liquid outlet pipe, the impeller is arranged in the pump body, the liquid outlet of the pump body is fixedly connected with the liquid outlet pipe, the pump cover is covered on the pump body, the lower end of the pump shaft is connected with the pump cover through the lower bearing and is connected with the impeller, the upper end is connected with the motor through a coupler. In order to solve the problem, the height of the pump is changed by lengthening the pump shaft in the prior art, so that the position of the submerged pump impeller, which is far away from the bottom of the tank, is closer, and the water absorption depth is increased.
The prior art has the following defects: increase the depth of absorbing water through lengthening the pump shaft for the whole manufacturing cost of submerged pump increases, and the installation is maintained inconveniently, and the pump shaft overlength also can lead to the amplitude of oscillation increase, and the material requirement of counter shaft and bearing is also higher, and the bearing life-span is shorter, maintains the frequency height.
Disclosure of Invention
The utility model aims at solving the deficiencies of the prior art, providing a simple structure, sealed effectual, effectively prevent gaseous and liquid to get into the pump body, the vertical submerged pump of bearing long service life's the increase depth of absorbing water.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a vertical submerged pump of increase depth of absorbing water, includes motor, pump shaft, lower bearing, pump cover, the pump body, impeller, drain pipe, its characterized in that: the pump cover is characterized by further comprising a sealing mechanism and a suction pipe, the suction pipe is fixed at a water inlet of the pump body, a pump cover partition plate is arranged at the lower end of the lower bearing on the pump cover, a cleaning water through hole is further formed in the pump cover, the sealing mechanism is arranged between the pump shaft and the pump cover and located at the lower end of the pump cover partition plate, the sealing mechanism comprises a lantern ring, an upper plugging object, a lower plugging object, a blocking ring, a high-pressure cleaning water pipe and a high-pressure water pump, the upper plugging object, the lantern ring, the lower plugging object and the blocking ring are sequentially sleeved on the pump shaft from top to bottom, the upper end face of the upper plugging object is abutted against the lower end face of the pump cover partition plate, the upper plugging object, the lantern ring, the lower plugging object and the blocking ring are sequentially abutted against, the upper plugging object and the lower plugging object are respectively in sealing fit with the pump shaft, the blocking ring is fixedly connected with the pump cover, one end of the water through hole faces the lantern ring, and the other end of the high-pressure cleaning water pipe is connected with the cleaning water pipe, the high-pressure cleaning water pipe is connected with the high-pressure water pump, the suction pipe and the sealing mechanism are arranged, a high-pressure protection area is formed around the lantern ring through high-pressure cleaning water, gas and liquid are prevented from entering the pump body through a gap between the pump shaft and the pump cover, the pressure of the suction pipe can be guaranteed to be lower than the atmospheric pressure, the liquid can smoothly enter the pump body, the pump shaft does not need to be lengthened, axial limiting of a blocking object and the lantern ring can be achieved through the arrangement of the blocking ring, liquid containing solid particles can be prevented from entering the blocking object and the lower bearing, and abrasion between the pump shaft and the lower bearing is caused.
Clean water through-hole establishes in lantern ring one side and radially sets up along the pump shaft to ensure that high-pressure clean water spouts the pressure to lantern ring is the biggest.
The plugging object of the utility model is sealed by adopting the filler, and has good elastoplasticity and high chemical stability.
Stop ring, lantern ring all adopt the metal material to make, mechanical strength is high, long service life.
Lower bearing adopts slide bearing, can bear heavy load, bears vibration, impact strength.
The fixed cover that has still fixed the cup jointed filler axle sleeve on the pump shaft, the filler axle sleeve is located down between bearing, sealing mechanism and the pump shaft, through setting up the filler axle sleeve, replaces pump shaft body and filler contact, need not change the pump shaft after the wearing and tearing damage, only needs to change the filler axle sleeve, and it is convenient to maintain, practices thrift the equipment maintenance cost.
The utility model has the advantages that: through setting up suction tube and sealing mechanism, form the high pressure protection district through high-pressure clean water around the lantern ring, it is internal to block that gas and liquid pass through the gap entering pump of pump shaft and pump cover, can guarantee that the pressure of suction tube department is less than atmospheric pressure, make in the entering pump that liquid can be smooth, need not to carry out extension processing to the pump shaft, the axial that shutoff thing and lantern ring had both been realized in the setting of barrier ring is spacing, also can prevent to contain the liquid entering shutoff thing and the lower bearing of solid particle, cause the wearing and tearing of pump shaft and lower bearing.
Drawings
Fig. 1 is a schematic view of the overall structure of a submerged pump.
Fig. 2 is an enlarged view at Z in fig. 1.
Reference numerals: the device comprises a motor-1, a coupling-2, a rolling bearing-3, a pump shaft-4, a support pipe-5, a sliding bearing-6, a sealing mechanism-7, a lantern ring-701, a lower blocking object-702, a blocking ring-703, a high-pressure clean water pipe-704, an upper blocking object-705, a pump cover-8, a pump cover partition-801, a clean water through hole-802, a pump body-9, an impeller-10, a suction pipe-11, a liquid outlet-12, a liquid outlet pipe-13, a base-14, a water pool-15, a low water level-16, a high water level-17 and a packing shaft sleeve-18.
Detailed Description
The present invention will be described with reference to the accompanying drawings and examples.
As shown in fig. 1, a vertical submerged pump for increasing the water absorption depth comprises a motor 1, a pump shaft 4, a lower bearing, a pump cover 8, a pump body 9, an impeller 10 and a liquid outlet pipe 13, wherein the impeller 10 is arranged in the pump body 9, the liquid outlet 12 of the pump body 9 is fixedly connected with the liquid outlet pipe 13, the pump cover 8 is covered on the pump body 9, the lower end of the pump shaft 4 is connected with the pump cover 8 through the lower bearing and penetrates through the pump cover 8 to be connected with the impeller 10, the upper end of the pump shaft is connected with the motor 1 through a coupler 2, a support pipe 5 is sleeved outside the pump shaft 4 in the embodiment, the lower end of the support pipe 5 is fixedly connected with the pump cover 8, the upper end of the support pipe 5 is fixedly connected with a base 14, the base 14 is connected with a water pool 15, and the upper end of the pump shaft 4 penetrates through the support pipe 5 to be connected with the water pool through the base 14, so that the stability of the vertical submerged pump is maintained.
The vertical submerged pump also comprises a sealing mechanism 7 and an intake pipe 11, the intake pipe 11 is fixed at the water inlet of the pump body 9, the pump cover 8 is provided with a pump cover partition plate 801 at the lower end of the lower bearing, the pump cover 8 is also provided with a clean water through hole 802, the sealing mechanism 7 is arranged between the pump shaft 4 and the pump cover 8 and is positioned at the lower end of the pump cover partition plate 801, the sealing mechanism 7 comprises a lantern ring 701, an upper blocking object 705, a lower blocking object 702, a blocking ring 703, a high-pressure clean water pipe 704 and a high-pressure water pump, the upper blocking object 705, the lantern ring 701, the lower blocking object 702 and the blocking ring 703 are sequentially sleeved on the pump shaft 4 from top to bottom, the upper end face of the upper blocking object 705 is abutted against the lower end face of the pump cover partition plate 801, the upper blocking object 705, the lantern ring 701, the lower blocking object 702 and the blocking ring 703 are sequentially abutted against tightly, the upper blocking object 705 and the lower blocking object 702 are respectively in sealing fit with the pump shaft, the blocking ring 703 is fixedly connected with the pump cover 8, one end of the cleaning water through hole 802 faces the lantern ring 701, the other end of the cleaning water through hole is connected with the high-pressure cleaning water pipe 704, the high-pressure cleaning water pipe 704 is connected with the high-pressure water pump, a high-pressure protection area is formed around the lantern ring 701 through the high-pressure cleaning water, gas and liquid are prevented from entering the pump body through a gap between the pump shaft 4 and the pump cover 8, the pressure at the position of the suction pipe 11 can be guaranteed to be lower than the atmospheric pressure, the liquid can smoothly enter the pump body, the pump shaft does not need to be lengthened, axial limiting of a blocking object and the lantern ring can be achieved through the blocking ring, and the liquid containing solid particles can be prevented from entering the blocking object and the lower bearing to cause abrasion of the pump shaft and the lower bearing.
The cleaning water through hole 802 is formed at one side of the lantern ring 701 and is radially arranged along the pump shaft 4 to ensure that the pressure of high-pressure cleaning water sprayed to the lantern ring 701 is maximum.
The plugging material is sealed by adopting a filler, and has good elastoplasticity and high chemical stability. The filler used in this embodiment is prior art and will not be described in detail herein.
The blocking ring 703 and the lantern ring 701 are both made of metal materials, and have high mechanical strength and long service life. In the embodiment, the blocking ring is fixedly connected with the pump cover through a bolt and can also be in interference fit with the pump cover.
The pump shaft 4 is also fixedly sleeved with a packing shaft sleeve 18, the packing shaft sleeve 18 is positioned between the lower bearing, the sealing mechanism and the pump shaft, the packing shaft sleeve 18 is arranged to replace a pump shaft body to be in contact with packing, the pump shaft does not need to be replaced after being worn and damaged, only the packing shaft sleeve needs to be replaced, the maintenance is convenient, and the equipment maintenance cost is saved.
The lower bearing adopts a sliding bearing 6, can bear heavy load, and has strong vibration and impact bearing capacity, and the sliding bearing is in interference fit with the pump cover in the embodiment.
The upper bearing adopts a rolling bearing 3, so that the starting performance is good and the maintenance is convenient.
When the utility model is used, the vertical submerged pump is connected with the water pool 15 through the base 14, when the vertical submerged pump is started, the water level is at the position of the high water level 17 in figure 1, the impeller 10 can be submerged, the motor 1 is started, the motor 1 drives the pump shaft 4 to rotate through the shaft coupling 2, the pump shaft 4 is supported by the rolling bearing 3 at the upper end and the sliding bearing 6 at the lower end, the impeller 10 in the pump body 9 is driven to rotate by the rotation of the pump shaft 4, the pump body 9 and the pump cover 8 seal the liquid in the pump body, the liquid is sucked from the suction pipe 11, and enters the liquid outlet pipe 13 through the liquid outlet 12 after being pressurized by the impeller, along with the position that the liquid level drops to the low water level 16, the impeller 10 leaves the liquid level, the high-pressure water pump is started, the high-pressure water is sprayed to the lantern ring 701 through the high-pressure cleaning water pipe 704, so that the high-pressure protection is formed around the lantern ring 701, the gas is prevented from entering the pump body through the pump cover, the suction pipe keeps the negative pressure state, the water in the basin can continue to be sucked even if the liquid level drops, so that the vertical submerged pump can suck more amount.
Claims (6)
1. The utility model provides a vertical submerged pump of increase depth of absorbing water, includes motor, pump shaft, lower bearing, pump cover, the pump body, impeller, drain pipe, its characterized in that: the pump cover is characterized by further comprising a sealing mechanism and a suction pipe, the suction pipe is fixed at a water inlet of the pump body, a pump cover partition plate is arranged at the lower end of the lower bearing on the pump cover, a cleaning water through hole is further formed in the pump cover, the sealing mechanism is arranged between the pump shaft and the pump cover and located at the lower end of the pump cover partition plate, the sealing mechanism comprises a lantern ring, an upper plugging object, a lower plugging object, a blocking ring, a high-pressure cleaning water pipe and a high-pressure water pump, the upper plugging object, the lantern ring, the lower plugging object and the blocking ring are sequentially sleeved on the pump shaft from top to bottom, the upper end face of the upper plugging object is abutted against the lower end face of the pump cover partition plate, the upper plugging object, the lantern ring, the lower plugging object and the blocking ring are sequentially abutted against, the upper plugging object and the lower plugging object are respectively in sealing fit with the pump shaft, the blocking ring is fixedly connected with the pump cover, one end of the water through hole faces the lantern ring, and the other end of the high-pressure cleaning water pipe is connected with the cleaning water pipe, the high-pressure cleaning water pipe is connected with the high-pressure water pump.
2. A vertical submerged pump with increased water absorption depth according to claim 1, characterised in that: the cleaning water through hole is formed in one side of the lantern ring and is arranged along the radial direction of the pump shaft.
3. A vertical submerged pump with increased water absorption depth according to claim 1 or 2, characterised in that: the plugging object is sealed by adopting a filler.
4. A vertical submerged pump with increased water absorption depth according to claim 3, characterised in that: the stop ring and the lantern ring are made of metal materials.
5. A vertical submerged pump for increasing the suction depth according to claim 1, 2 or 4, characterised in that: the lower bearing adopts a sliding bearing.
6. A vertical submerged pump with increased water absorption depth according to claim 5, characterised in that: and a packing shaft sleeve is fixedly sleeved on the pump shaft and is positioned among the lower bearing, the sealing mechanism and the pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099283.1U CN215058234U (en) | 2021-05-21 | 2021-05-21 | Vertical submerged pump capable of increasing water absorption depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121099283.1U CN215058234U (en) | 2021-05-21 | 2021-05-21 | Vertical submerged pump capable of increasing water absorption depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058234U true CN215058234U (en) | 2021-12-07 |
Family
ID=79213388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121099283.1U Expired - Fee Related CN215058234U (en) | 2021-05-21 | 2021-05-21 | Vertical submerged pump capable of increasing water absorption depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058234U (en) |
-
2021
- 2021-05-21 CN CN202121099283.1U patent/CN215058234U/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: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |