CN204851653U - Multistage centrifugal water pump of inner loop self -balancing - Google Patents
Multistage centrifugal water pump of inner loop self -balancing Download PDFInfo
- Publication number
- CN204851653U CN204851653U CN201520503546.9U CN201520503546U CN204851653U CN 204851653 U CN204851653 U CN 204851653U CN 201520503546 U CN201520503546 U CN 201520503546U CN 204851653 U CN204851653 U CN 204851653U
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- middle section
- stage casing
- impeller
- pump housing
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Abstract
Multistage centrifugal water pump of inner loop self -balancing relates to pump valve equipment technical field, forms by the pump body, center pin, bearing body combination, the pump body is divided into into water section, middle section and play water section, the center pin crosses pump body center, the front and back end of the pump body respectively fixed mounting have a bearing body, pump body middle section divide into the water conservancy diversion middle section again, goes out liquid middle section and final stage middle section, the intermediate position in pump body middle section is installed side by side in water conservancy diversion middle section and play liquid middle section, the impeller is evenly installed in the front portion in water conservancy diversion middle section in water conservancy diversion middle section and go out to be provided with the hollow chamber that is linked together between the liquid middle section, the stator is installed in the outside of impeller to the impeller suit on the center pin, also be provided with the impeller at a rear portion in liquid middle section. The utility model discloses structural design is novel reasonable, convenient to use, appearance are pleasing to the eye, convenient equipment with spray paint and need not external transition pipe, the operation is convenient more quick, is of value to and raises the efficiency.
Description
Technical field:
The utility model relates to pump valve equipment technical field, is specifically related to Inner eycle self-balanced multiple-stage centrifugal water pump.
Background technique:
Centrifugal pump utilizes vane rotary and makes water generation centrifugal motion carry out work.Before activation, must make to be full of water in pump case and suction sleeve, then starting electrical machinery, make pump shaft impeller and water do high speed rotary motion, water generation centrifugal motion, is thrown toward impeller outer edge to water pump, and the runner through volute pump case flows into the setting-out pipeline of water pump.Wherein centrifugal water pump comprises vertical, horizontal, single-stage, multistage, single suction, double suction, the various ways such as self-priming, wherein multi-stage centrifugal pump comprises again outer circulation and Inner eycle two kinds of current operating modes, there is a disadvantageous shortcoming in wherein outer circulation self balancing water pump, the ectosome of outer circulation self-balancing water pump need external transition tube carry out the excessive of current, but external transition tube non-standard component, thus when making, specification differs, and the transition tube of every platform water pump is all weld after water pump group connects, so just can not be general for the water pump of different size model and externally connected pipe, therefore will give and install, produce and cause certain trouble, and the technological scheme that this patent will provide just is to provide a kind of Inner eycle self-balanced multiple-stage centrifugal water pump without the need to external extraneous pipe, improve installation, the efficiency of producing and using.
Model utility content:
Technical problem to be solved in the utility model is to provide that a kind of novel in structural design is reasonable, easy to use, beautiful shape, ease of assembly and to spray paint and without the need to external transition tube, the self-balanced multiple-stage of Inner eycle fast centrifugal water pump more convenient to operate.
Technical problem to be solved in the utility model adopts following technological scheme to realize:
Inner eycle self-balanced multiple-stage centrifugal water pump, combined by the pump housing, central shaft, bearing support, the described pump housing is divided into inlet segment, stage casing and water exit end, and described central shaft crosses pump housing center, be installed with bearing support respectively in the front end and back end of the pump housing, described central shaft also crosses bearing support simultaneously;
Described pump housing stage casing is divided into guide middle section again, fluid stage casing and final stage stage casing, described guide middle section and fluid stage casing are arranged on the neutral position in pump housing stage casing side by side, the hollow cavity be connected is provided with between described guide middle section and fluid stage casing, evenly impeller is installed in the front portion of guide middle section, described impeller set dress on center shaft, in the outside of impeller, stator is installed, also impeller is provided with at the rear portion in fluid stage casing, the impeller at rear portion, described fluid stage casing becomes opposite direction to install with the impeller of the front portion of guide middle section, outside the impeller at rear portion, fluid stage casing, too stator is installed,
The inwall in described pump housing stage casing is provided with water conservancy diversion cavity, the hollow cavity that described fluid stage casing is offered is connected with the water conservancy diversion cavity on the pump housing inwall at rear portion, fluid stage casing, like this when current enter in the pump housing, just do not need again external transition tube to realize the circulation of current;
The wheel blade side of the impeller all in pump housing stage casing is all provided with stage casing liner, and is also provided with stage casing seal ring between stage casing liner and the axle sleeve of impeller;
Described guide middle section and be also provided with middle axle sleeve between fluid stage casing and central shaft;
Impeller interstage sleeve is installed between described impeller and central shaft;
Be provided with interstage sleeve between described inlet segment and central shaft, and be also provided with mechanical seal on inlet segment, also mechanical seal cover is installed in the outside of mechanical seal;
Arrange between bearing support and central shaft and outside framework oil seal is installed, and outside the bearing support of inlet segment side, perforated bearing gland of dual is installed, and non-porous bearing gland is installed outside the bearing support of water exit end side;
This water pump is self-balanced multiple-stage water pump, the mounting type that before and after interior by the pump housing during work, two sections of impellers are forward and reverse, impel impeller to produce end thrust thus solve the problem of fluid self balancing in the pump housing, and water exit end is set only is provided with a water outlet, the water outlet of pump housing the first half impeller to later half impeller, eventually passes through fluid stage casing, water exit end water outlet through guide middle section, fluid stage casing and final stage stage casing.
The beneficial effects of the utility model are: novel in structural design is reasonable, easy to use, beautiful shape, ease of assembly and to spray paint and without the need to external transition tube, fast more convenient to operate, it is as follows that advantage compared by it and traditional outer circulation self-balanced multiple-stage water pump:
1, goodlooking compact design is not aobvious too fat to move.
2, favourable assembling and spraying paint, saves the installation time.
3, the external transition tube of outer circulation self balancing water pump can not be general when making, and the transition tube of every platform pump is just welded after water pump assembling, therefore guarantee is difficult to general, but this structure Inner eycle self balancing water pump does not need to install excessive pipe, greatly improves the convenience of installation efficiency and use.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Wherein: the 1-pump housing; 2-central shaft; 3-bearing support; 4-inlet segment; 5-stage casing; 6-water exit end; 7-guide middle section; 8-fluid stage casing; 9-final stage stage casing; 10-impeller; 11-stator; 12-stage casing liner; 13-stage casing seal ring; Axle sleeve in the middle of 14-; 15-impeller interstage sleeve; 16-interstage sleeve; 17-mechanical seal; 18-mechanical seal cover; 19-outside framework oil seal; 20-perforated bearing gland of dual; 21-non-porous bearing gland.
Embodiment:
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, Inner eycle self-balanced multiple-stage centrifugal water pump, combined by the pump housing 1, central shaft 2, bearing support 3, the described pump housing 1 is divided into inlet segment 4, stage casing 5 and water exit end 6, described central shaft 2 crosses the pump housing 1 center, be installed with bearing support 3 respectively in the front end and back end of the pump housing 1, described central shaft 2 also crosses bearing support 3 simultaneously;
The described pump housing 1 stage casing 5 is divided into again guide middle section 7, fluid stage casing 8 and final stage stage casing 9, described guide middle section 7 and fluid stage casing 8 are arranged on the neutral position in the pump housing 1 stage casing side by side, the hollow cavity be connected is provided with between described guide middle section 7 and fluid stage casing 8, in the front portion of guide middle section 7, impeller 10 is evenly installed, described impeller 10 is sleeved on central shaft 2, in the outside of impeller 10, stator 11 is installed, also impeller 10 is provided with at the rear portion in fluid stage casing 8, the impeller 10 at rear portion, described fluid stage casing 8 is installed with 10 one-tenth, the impeller opposite direction of the front portion of guide middle section 7, outside the impeller 10 at rear portion, fluid stage casing 8, stator 11 is installed too,
The inwall in the described pump housing 1 stage casing 5 is provided with water conservancy diversion cavity, and the hollow cavity that described fluid stage casing 8 is offered is connected with the water conservancy diversion cavity on the pump housing 1 inwall of rear portion, fluid stage casing 8;
The wheel blade side of the impeller 10 all in the pump housing 1 stage casing 5 is all provided with stage casing liner 12, and is also provided with stage casing seal ring 13 between stage casing liner 12 and the axle sleeve of impeller 10;
Described guide middle section 7 and be also provided with middle axle sleeve 14 between fluid stage casing 8 and central shaft 2;
Between described impeller 10 and central shaft 2, impeller interstage sleeve 15 is installed;
Be provided with interstage sleeve 16 between described inlet segment 5 and central shaft 2, and be also provided with mechanical seal 17 on inlet segment 4, in the outside of mechanical seal 17, mechanical seal cover 18 is also installed;
Arrange between bearing support 3 and central shaft 2 and outside framework oil seal 19 is installed, and outside the bearing support 3 of inlet segment 4 side, perforated bearing gland of dual 20 is installed, and outside the bearing support 3 of water exit end 6 side, non-porous bearing gland 21 is installed.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. Inner eycle self-balanced multiple-stage centrifugal water pump, by the pump housing, central shaft, bearing support combines, it is characterized in that: the described pump housing is divided into inlet segment, stage casing and water exit end, described central shaft crosses pump housing center, bearing support is installed with respectively in the front end and back end of the pump housing, described pump housing stage casing is divided into guide middle section again, fluid stage casing and final stage stage casing, described guide middle section and fluid stage casing are arranged on the neutral position in pump housing stage casing side by side, the hollow cavity be connected is provided with between described guide middle section and fluid stage casing, evenly impeller is installed in the front portion of guide middle section, also impeller is provided with at the rear portion in fluid stage casing.
2. Inner eycle self-balanced multiple-stage centrifugal water pump according to claim 1, is characterized in that: the wheel blade side of the impeller that described pump housing stage casing is all is all provided with stage casing liner, and is also provided with stage casing seal ring between stage casing liner and the axle sleeve of impeller.
3. Inner eycle self-balanced multiple-stage centrifugal water pump according to claim 1, is characterized in that: described guide middle section and be also provided with middle axle sleeve between fluid stage casing and central shaft.
4. Inner eycle self-balanced multiple-stage centrifugal water pump according to claim 1, is characterized in that: be provided with interstage sleeve between described inlet segment and central shaft, and be also provided with mechanical seal on inlet segment.
5. Inner eycle self-balanced multiple-stage centrifugal water pump according to claim 1, is characterized in that: arrange between described bearing support and central shaft and be provided with outside framework oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503546.9U CN204851653U (en) | 2015-07-10 | 2015-07-10 | Multistage centrifugal water pump of inner loop self -balancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503546.9U CN204851653U (en) | 2015-07-10 | 2015-07-10 | Multistage centrifugal water pump of inner loop self -balancing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851653U true CN204851653U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520503546.9U Expired - Fee Related CN204851653U (en) | 2015-07-10 | 2015-07-10 | Multistage centrifugal water pump of inner loop self -balancing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2732655C1 (en) * | 2019-07-23 | 2020-09-21 | Общество С Ограниченной Ответственностью "Нефтекамский Машиностроительный Завод" | Centrifugal sectional pump with two parallel flows of pumped medium |
-
2015
- 2015-07-10 CN CN201520503546.9U patent/CN204851653U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2732655C1 (en) * | 2019-07-23 | 2020-09-21 | Общество С Ограниченной Ответственностью "Нефтекамский Машиностроительный Завод" | Centrifugal sectional pump with two parallel flows of pumped medium |
| WO2021015642A1 (en) * | 2019-07-23 | 2021-01-28 | Общество С Ограниченной Ответственностью "Нефтекамский Машиностроительный Завод" | Multistage centrifugal pump with two parallel flows of pumped medium |
| JP2022542105A (en) * | 2019-07-23 | 2022-09-29 | オプシチェストボ エス オグラニチェンノイ オトヴェストヴェンノストユ “ネフテカムスキー マシノストロイーチェリヌイ ザヴォート” | Multi-stage centrifugal pump with two parallel flows of medium to be pumped |
| JP7361199B2 (en) | 2019-07-23 | 2023-10-13 | ケーエルピーピー インシュアランス アンド リインシュアランス カンパニー リミテッド | Multistage centrifugal pump with two parallel flows of pumped medium |
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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: 20151209 Termination date: 20160710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |