CN209654245U - A kind of submersible type multi-stage pump - Google Patents
A kind of submersible type multi-stage pump Download PDFInfo
- Publication number
- CN209654245U CN209654245U CN201821999740.0U CN201821999740U CN209654245U CN 209654245 U CN209654245 U CN 209654245U CN 201821999740 U CN201821999740 U CN 201821999740U CN 209654245 U CN209654245 U CN 209654245U
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- CN
- China
- Prior art keywords
- output shaft
- pump
- water inlet
- type multi
- impeller
- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000001012 protector Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of submersible type multi-stage pumps, including machine bucket, the machine bucket is connected with the water inlet joint for being provided with water inlet by the first fixation kit, seal assembly is provided between the machine bucket and water inlet joint, the water inlet joint is connected with several pump housings, several pump housings successively stack, and the pump housing positioned at the top is provided with water outlet connector, and the second fixing piece of fixed several pump housings is provided in the water inlet joint；The output shaft through several pump housings is provided in the machine bucket, the driving motor of driving output shaft rotation is provided in the machine bucket, the impeller with several pump housing cooperations is arranged on the output shaft, the impeller is fixed on output shaft by third fixing piece, is provided in several pump housings and impeller guide vane matched one by one；Have the advantages that improve immersible pump conductance effect.
Description
Technical field
The utility model relates to water pump technologies, refer in particular to a kind of submersible type multi-stage pump.
Background technique
Multistage pump is into and out water section and middle section, a kind of centrifugal pump combined by pull rod, its output water pressure
Can be very big, and it is rotated in acquisition centrifugal force by impeller, thus material.Reach the work of oil-sealed rotary pump to gas density
Make range and be extracted, to gradually obtain high vacuum.But existing immersible pump exists centainly in the conductance design of water flow
It is insufficient.
Utility model content
The purpose of the utility model is to provide a kind of stable structure, good seal performance, submersible type multipoles with long service life
Pump.
Purpose of the utility model is realized as follows: a kind of submersible type multi-stage pump, including pump case, pump case are solid by first
Determine component and be connected with to be provided with water inlet joint, water inlet joint is connected with several pump housings, and several pump housings successively stack, and is located at topmost
The pump housing be provided with water outlet connector；Seal assembly is provided between the pump case and water inlet joint, seal assembly is defeated including being set in
The first oil seal seat on shaft, the second oil seal seat being set on output shaft, first oil seal seat and the second oil seal seat cooperate
Oil storage room is formed, is filled with Seal Oil in the oil storage room；The output shaft through several pump housings is provided in the pump case,
The output shaft is connected with the driving motor of its rotation of driving, and the leaf with several pump housing cooperations is arranged on the output shaft
Wheel, is provided with third fixation kit between impeller and output shaft, the third fixation kit includes the be arranged on output shaft
One keyway, the second keyway being arranged on impeller are plugged in the first keyway and key in the second keyway, are plugged on output shaft simultaneously
The nut abutted with key.
Preferably, the second O-ring seals are provided between the adjacent pump housing.
Preferably, the output shaft is arranged with axle sleeve between adjacent fan-wheel.
Preferably, it is provided with the reinforced seal with the cooperation of the first oil seal seat on the output shaft, is arranged on the output shaft
There is the mechanical seal with the first oil seal seat and the cooperation of the second oil seal seat.
Preferably, the first O-ring seals are provided between first oil seal seat and the second oil seal seat.
It is provided with water inlet in the preferably described water inlet joint, is provided with strainer on water inlet.
Preferably, the thermal protector with motor cooperation is provided in the pump case.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1. reducing the flow velocity of water by guide vane, after partial velocity energy head is changed into pressure energy, then it is uniformly introduced down
Level-one is discharged by diffuser, improves the hydraulic pressure of the multistage pump, at the same impeller when revolving speed it is higher, cavitation is more serious, leads
Leaf is mainly also possible to prevent cavitation, protects impeller, extends the service life of impeller.
2. reinforced seal both can be very good to play the sealing effect for preventing Seal Oil from leaking, at the same can prevent water flow or
Person's dust enters in oil storage room.
3. mechanical seal is a kind of gland seal device of rotating machinery, since mechanical seal has leakage rate is few and the service life is long etc.
Advantage, so mechanical seal is to reduce the leakage of Seal Oil in the most important sealing mode of these equipment in the world.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the enlarged drawing in the portion A in implementation example figure 1；
Fig. 3 is the enlarged drawing in the portion B in implementation example figure 1.
In figure, 1, pump case；2, water inlet joint；3, seal assembly；31, the first oil seal seat；32, the second oil seal seat；33, oil storage
Room；34, reinforced seal；35, mechanical seal；4, the pump housing；5, water outlet connector；6, output shaft；7, driving motor；8, impeller；9, it leads
Leaf；10, the second O-ring seals；11, third fixation kit；12, the first keyway；13, key；14, nut；15, axle sleeve；16,
One O-ring seals；17, strainer.
Specific embodiment
The utility model is described further with specific embodiment below.
As shown in Figure 1-Figure 3, a kind of submersible type multi-stage pump, including pump case 1, the pump case 1 pass through the first fixation kit,
It is connected with the water inlet joint 2 for being provided with water inlet, the first fixing piece is set as being plugged between pump case 1 and water inlet joint 2 by screw thread
Screw rod.
Seal assembly 3 is provided between the pump case 1 and water inlet joint 2, the water inlet joint 2 is connected with several pump housings 4, several
The pump housing 4 successively stacks, and the pump housing 4 positioned at the top is provided with water outlet connector 5, if being provided in the water inlet joint 2 fixed
The second fixing piece of the pump housing 4 is done, the second fixing piece is set as being plugged between water inlet joint 2 and several water pumps by screw thread
Screw rod.
It is provided with the output shaft 6 through several pump housings 4 in the pump case 1, it is defeated that driving is provided in the pump case 1
The driving motor 7 that shaft 6 rotates is arranged with the impeller 8 cooperated with several pump housings 4, the impeller 8 on the output shaft 6
It is fixed on output shaft 6, is provided in several pump housings 4 matched one by one with impeller 8 by third fixation kit 11
Guide vane 9.
It is noted that being set to the connected electric wire of driving motor 7 in pump case 1, it is provided with and electric wire phase on pump case 1
Terminal box even is connected with cable in terminal box, the packing washer being wrapped on cable is provided in terminal box, is set in terminal box
It is equipped with the clamp nut for squeezing packing washer.
Impeller 8 is arranged according to the quantity of the pump housing 4 in the submersible type multi-stage pump, can according to need the realizing self disassembling pump housing 4, to adjust
The quantity of impeller 8 is saved, the pressure of the submersible type multi-stage pump is equal to the sum of the pressure of every grade of impeller 8, and is arranged in the pump housing 4 and leads
Leaf 9, guide vane 9 are to turn energy device, its effect is impeller 8 to be thrown away the water come to collect, and reduce the flow velocity of water, part
It after speed energy head is changed into pressure energy, then is uniformly introduced next stage or is discharged by diffuser, improve the water of the multistage pump
Pressure, at the same impeller 8 when revolving speed it is higher, cavitation is more serious, and guide vane 9 is mainly also possible to prevent cavitation, protects impeller 8, extends
The service life of impeller 8.
The second O-ring seals 10 are provided between the adjacent pump housing 4.
Since the adjacent pump housing 4 is removably, to reinforce the leakproofness between the pump housing 4 by the second O-ring seals 10, together
Pressure inside the Shi Jiaqiang water pump.
The third fixation kit 11 includes the first keyway 12 being arranged on output shaft 6, be arranged on impeller 8 second
Keyway, the key 13 being plugged in the first keyway 12 and the second keyway, the nut 14 for being plugged on output shaft 6 and being abutted with key 13.
It is directed at the first keyway 12, then key 13 is inserted between the first keyway 12 and the second keyway, then passes through nut 14
It is fixed, it prevents key 13 to be detached from, impeller 8 is fixed on output shaft 6, and avoid the relative rotation of output shaft 6 Yu impeller 8.
Axle sleeve 15 is arranged between 6 adjacent fan-wheel 8 of output shaft.
Impeller 8 is separated by axle sleeve 15, and sets the optimum position of adjacent fan-wheel 8 for the distance, to release
The maximum pressure of foliation wheel 8 and guide vane 9.
The seal assembly 3 includes the first oil seal seat 31 being set on output shaft 6, be set on output shaft 6 second
Oil seal seat 32, first oil seal seat 31 and the second oil seal seat 32 cooperatively form oil storage room 33, are filled in the oil storage room 33
Seal Oil.
It avoids Seal Oil from leaking by the first oil seal seat 31 and the second oil seal seat 32, while output shaft is wrapped up by Seal Oil
6, the fluency for keeping output shaft 6 to rotate improves the service life of the multistage pump.
It is provided with the reinforced seal 34 with the cooperation of the first oil seal seat 31 on the output shaft 6, is provided on the output shaft 6
The mechanical seal 35 for thering is seal receptacle to cooperate with second.
Reinforced seal 34 both can be very good to play the sealing effect for preventing Seal Oil from leaking, at the same can prevent water flow or
Person's dust enters in oil storage room 33；Mechanical seal 35 is a kind of gland seal device of rotating machinery, is let out since mechanical seal 35 has
The advantages that leakage quantity is few and the service life is long, so mechanical seal 35 is reduced in the most important sealing mode of these equipment in the world
The leakage of Seal Oil.
The first O-ring seals 16 are provided between first oil seal seat 31 and the second oil seal seat 32.
The leakproofness for reinforcing the first oil seal seat 31 and the second oil seal seat 32, prevents Seal Oil from leaking.
Strainer 17 is provided on the water inlet of the water inlet joint 2, strainer 17 is bolted in water inlet joint 2.
It prevents extraneous impurity from entering in the pump housing 4 by strainer 17, and influences the rotation of impeller 8.
The thermal protector with motor cooperation is provided in the pump case 1.
Motor is protected by thermal protector, prevents motor from working long hours and being damaged, extends the submersible type multi-stage pump
Service life.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (7)
1. a kind of submersible type multi-stage pump, including pump case (1), it is characterised in that: the pump case (1) is connected by the first fixation kit
It is provided with water inlet joint (2), water inlet joint (2) is connected with several pump housings (4), and several pump housings (4) successively stack, and is located at most upper
The pump housing (4) at end is provided with water outlet connector (5)；
It is provided with seal assembly (3) between the pump case (1) and water inlet joint (2), seal assembly (3) includes being set in output shaft
(6) the first oil seal seat (31) on, the second oil seal seat (32) being set on output shaft (6), first oil seal seat (31) with
Second oil seal seat (32) cooperatively forms oil storage room (33), and Seal Oil is filled in the oil storage room (33)；
It is provided with the output shaft (6) through several pump housings (4) in the pump case (1), the output shaft (6) is connected with driving
Its driving motor (7) rotated is arranged with the impeller (8) with several pump housings (4) cooperations, impeller on the output shaft (6)
(8) it is provided between output shaft (6) third fixation kit (11), the third fixation kit (11) includes being arranged in output shaft
(6) the first keyway (12) on, setting on impeller (8) the second keyway, be plugged in the first keyway (12) and the second keyway
Key (13), the nut (14) that is plugged on output shaft (6) and is abutted with key (13).
2. a kind of submersible type multi-stage pump according to claim 1, it is characterised in that: be arranged between the adjacent pump housing (4)
There are the second O-ring seals (10).
3. a kind of submersible type multi-stage pump according to claim 1 or 2, it is characterised in that: output shaft (6) adjacent fan-wheel
(8) axle sleeve (15) are arranged between.
4. a kind of submersible type multi-stage pump according to claim 3, it is characterised in that: be provided on the output shaft (6) with
The reinforced seal (34) of first oil seal seat (31) cooperation is provided on the output shaft (6) and the first oil seal seat (31) and the
The mechanical seal (35) of two oil seal seats (32) cooperation.
5. a kind of submersible type multi-stage pump according to claim 1, it is characterised in that: first oil seal seat (31) and second
The first O-ring seals (16) are provided between oil seal seat (32).
6. a kind of submersible type multi-stage pump according to claim 3, it is characterised in that: be provided on the water inlet joint (2) into
The mouth of a river is provided with strainer (17) on water inlet.
7. a kind of submersible type multi-stage pump according to claim 3, it is characterised in that: be provided in the pump case (1) and electricity
The thermal protector of machine cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999740.0U CN209654245U (en) | 2018-11-30 | 2018-11-30 | A kind of submersible type multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999740.0U CN209654245U (en) | 2018-11-30 | 2018-11-30 | A kind of submersible type multi-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654245U true CN209654245U (en) | 2019-11-19 |
Family
ID=68517366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821999740.0U Expired - Fee Related CN209654245U (en) | 2018-11-30 | 2018-11-30 | A kind of submersible type multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654245U (en) |
-
2018
- 2018-11-30 CN CN201821999740.0U patent/CN209654245U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: 318000 Room 303, No. 90, Nanping Road, Taiping Street, Wenling City, Taizhou City, Zhejiang Province Patentee after: Taizhou Cuiguo Import and Export Co.,Ltd. Address before: 317500 No. 58-12 Jintang North Road, East New District, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING FULAIOU ELECTRICAL CO.,LTD. |
|
| 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: 20191119 |