CN203906309U - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN203906309U CN203906309U CN201420286442.2U CN201420286442U CN203906309U CN 203906309 U CN203906309 U CN 203906309U CN 201420286442 U CN201420286442 U CN 201420286442U CN 203906309 U CN203906309 U CN 203906309U
- Authority
- CN
- China
- Prior art keywords
- rear end
- end cover
- link
- motor housing
- ring
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal pump. A rear end cover is in detachable connection with a motor outer shell, and a connecting structure used for being connected with the rear end cover and the motor outer shell is arranged on the connecting portion of the rear end cover and the motor outer shell. The connecting structure comprises an annular first connecting piece and an annular second connecting piece. The first connecting piece is in threaded connection with the inner wall of the motor outer shell, and the second connecting piece is in threaded connection with the inner wall of the rear end cover. The second connecting piece is provided with an annular inserting groove which allows the first connecting piece to be inserted, an annular groove is formed in the side wall of the annular inserting groove, and the first connecting piece is provided with an elastic piece which can be in clamped connection with the annular groove.
Description
Technical field
The utility model relates to a kind of water pump, and more particularly, it relates to a kind of centrifugal pump.
Background technique
Centrifugal pump is utilize vane rotary and make the centrifugal force of water generates carry out work.Centrifugal pump, before startup, must make to be full of water in pump case and suction sleeve, and then starting electrical machinery makes pump shaft impeller and water do high speed rotary motion, and water, under the effect of centrifugal force, is thrown toward impeller outer edge, flows into the setting-out pipeline of water pump through the runner of volute pump case.
Centrifugal pump of the prior art, comprise the pump housing and motor, the pump housing comprises pump case and impeller, motor comprises motor housing, rear end cover and be located in the rotor assembly in motor housing, rotor assembly comprises rotating shaft, be set in the rotor iron core being fixedly connected with in rotating shaft and with it, the rotor winding of winding on rotor iron core, motor housing one end is connected with pump housing shell, the other end is fixed and is connected by bolt or screw with rear end cover, rotating shaft is provided with output terminal, impeller is fixedly connected with output terminal, the other end that rotating shaft is provided with output terminal is relatively connected with fan blade, fan blade is positioned at rear end cover, wind inlet is set on rear end cover, thereby centrifugal pump when work rotating shaft drives fan blade to carry out air draught dispels the heat to motor internal, cooling, centrifugal pump will adhere to a lot of dusts through the fan blade surface that is positioned at rear end cover after using for a long time, need regular bonnet is removed and cleaned, this centrifugal pump is owing to being to be connected by bolt or screw between rear end cover and motor housing, therefore just make this centrifugal pump be inconvenient to dismantle the defect of rear end cover, if the tapped hole on rear end cover and motor housing has broken down and just whole rear end cover or motor housing need to have been changed simultaneously, so just cause unnecessary waste.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of centrifugal pump, this centrifugal pump has improved the linkage structure between motor housing and rear end cover, make it have rear end cover for convenience detach, convenient advantage of cleaning fan blade, break down and whole rear end cover or motor housing will have been changed if also solved tapped hole, caused the problem of waste material simultaneously.
For achieving the above object, the utility model provides following technological scheme: a kind of centrifugal pump, comprise the pump housing and motor, the described pump housing comprises pump case and impeller, described motor comprises motor housing, rear end cover, be located in the rotor assembly in motor housing, described rotor assembly comprises rotating shaft, be set in the rotor iron core being fixedly connected with in rotating shaft and with it, the rotor winding of winding on rotor iron core, described motor housing one end is connected with pump housing shell, the other end is connected with rear end cover, described rotating shaft is provided with output terminal, described impeller is fixedly connected with output terminal, the other end that described rotating shaft is provided with output terminal is relatively connected with fan blade, described fan blade is positioned at rear end cover, described rear end cover and motor housing removably connect, described rear end cover is provided with the linkage structure for being connected rear end cover and motor housing with the joint of motor housing, described linkage structure comprises the first link of ring-type and the second link of ring-type, described the first link is connected with motor housing inner thread, described the second link is connected with rear end cover inner thread, described the second link is provided with the ring-type inserting groove inserting for described the first link, described ring-type inserting groove sidewall is provided with annular groove, described the first link be provided with can with the elastic component of annular groove clamping.
By adopting technique scheme, motor housing is connected removably with rear end cover, thereby such design can conveniently disassemble rear end cover the cleaning that facilitates fan blade, as long as rear end cover is pulled outward and just rear end cover can have been disassembled from motor housing, simple and convenient, if and use process in the first link or the damaged words of the second link, as long as by the first link or the second link spin down change just passable, simple and convenient, if having solved tapped hole has broken down and whole rear end cover or motor housing will have been changed, cause the problem of waste material.
The utility model is further set to: described rear end cover is provided with several exhaust outlets, and described exhaust outlet place is equipped with soft plastic tab, and the sidewall that described plastic tab covers exhaust outlet and plastic tab one end is fixedly connected with rear end cover.
By adopting technique scheme, exhaust outlet place is equipped with soft plastic tab, when fan blade rotates, plastic tab can be blown open, dispels the heat to motor internal, in the time that fan blade does not rotate, soft plastic tab can be close to and on rear end cover, seal exhaust outlet and prevent that dust from entering.
The utility model is further set to: the sidewall of a relatively annular recessed side of described ring-type inserting groove is outward-dipping arc surface.
By adopting technique scheme, can facilitate the first link to be inserted in ring-type inserting groove.
The utility model is further set to: the thickness of described elastic component is greater than the degree of depth of annular groove.
By adopting technique scheme, when elastic component snaps in after annular groove, the thickness of elastic component is greater than the degree of depth of annular groove, like this first link is more firmly fixed in ring-type inserting groove, prevents from producing noise because rocking.
Brief description of the drawings
Fig. 1 is the utility model centrifugal pump embodiment's structural drawing;
Fig. 2 is the enlarged view of A.
Reference character: 1, the pump housing; 11, pump case; 12, impeller; 2, motor; 21, motor housing; 22, rear end cover; 23, rotor assembly; 231, rotating shaft; 232, rotor iron core; 233, rotor winding; 3, fan blade; 4, the second link; 5, the first link; 6, exhaust outlet; 7, plastic tab; 8, ring-type inserting groove; 9, annular groove; 10, elastic component.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model centrifugal pump embodiment is described further.
A kind of centrifugal pump, comprise the pump housing 1 and motor 2, the described pump housing 1 comprises pump case 11 and impeller 12, described motor 2 comprises motor housing 21, rear end cover 22, be located in the rotor assembly 23 in motor housing 21, described rotor assembly 23 comprises rotating shaft 231, be set in the rotor iron core 232 being fixedly connected with in rotating shaft 231 and with it, the rotor winding 233 of winding on rotor iron core 232, described motor housing 21 one end are connected with the pump housing 1 shell, the other end is connected with rear end cover 22, described rotating shaft 231 is provided with output terminal, described impeller 12 is fixedly connected with output terminal, the other end that described rotating shaft 231 is provided with output terminal is relatively connected with fan blade 3, described fan blade 3 is positioned at rear end cover 22, described rear end cover 22 removably connects with motor housing 21, described rear end cover 22 is provided with the linkage structure for being connected rear end cover 22 and motor housing 21 with the joint of motor housing 21, described linkage structure comprises the first link 5 of ring-type and the second link 4 of ring-type, described the first link 5 is connected with motor housing 21 inner threads, described the second link 4 is connected with rear end cover 22 inner threads, described the second link 4 is provided with the ring-type inserting groove 8 inserting for described the first link 5, described ring-type inserting groove 8 sidewalls are provided with annular groove 9, described the first link 5 be provided with can with the elastic component 10 of annular groove 9 clampings.
By adopting technique scheme, motor housing 21 is connected removably with rear end cover 22, thereby such design can conveniently disassemble by rear end cover 22 cleaning that facilitates fan blade 3, as long as rear end cover 22 is pulled outward and just rear end cover 22 can have been disassembled from motor housing 21, simple and convenient, if and use process in the first link 5 or the damaged words of the second link 4, as long as by the first link 5 or the second link 4 spin down change just passable, simple and convenient, if having solved tapped hole has broken down and whole rear end cover 22 or motor housing 21 will have been changed, cause the problem of waste material.
Described rear end cover 22 is provided with several exhaust outlets 6, and described exhaust outlet 6 places are equipped with soft plastic tab 7, and the sidewall that described plastic tab 7 covers exhaust outlet 6 and plastic tab 7 one end is fixedly connected with rear end cover 22.
By adopting technique scheme, exhaust outlet 6 places are equipped with soft plastic tab 7, when rotating, fan blade 3 plastic tab 7 can be blown open, give motor 2 internal heat dissipatings, in the time that fan blade 3 does not rotate, soft plastic tab 7 can be close to and on rear end cover 22, seal exhaust outlet 6 and prevent that dust from entering.
The sidewall of a relatively annular recessed side of described ring-type inserting groove 8 is outward-dipping arc surface.
By adopting technique scheme, can facilitate the first link 5 to be inserted in ring-type inserting groove 8.
The thickness of described elastic component 10 is greater than the degree of depth of annular groove 9.
By adopting technique scheme, when elastic component 10 snaps in after annular groove 9, the thickness of elastic component 10 is greater than the degree of depth of annular groove 9, like this first link 5 is more firmly fixed in ring-type inserting groove 8, prevents from producing noise because rocking.
Concrete, in the time that needs clean fan blade 3, as long as rear end cover 22 is pulled outward and just rear end cover 22 can have been disassembled from motor housing 21, so just can clean fan blade 3 easily, after cleaning is over, can be block rubber as long as the first link 5 is inserted into ring-type inserting groove 8 Elastic part 10(elastic components 10) can automatically snap onto in annular groove 9, if the first link 5 or the damaged words of the second link 4 in the process of mounting or dismounting rear end cover 22, as long as by the first link 5 or the second link 4 spin down change just passable.
Claims (4)
1. a centrifugal pump, comprise the pump housing and motor, the described pump housing comprises pump case and impeller, described motor comprises motor housing, rear end cover, be located in the rotor assembly in motor housing, described rotor assembly comprises rotating shaft, be set in the rotor iron core being fixedly connected with in rotating shaft and with it, the rotor winding of winding on rotor iron core, described motor housing one end is connected with pump housing shell, the other end is connected with rear end cover, described rotating shaft is provided with output terminal, described impeller is fixedly connected with output terminal, the other end that described rotating shaft is provided with output terminal is relatively connected with fan blade, described fan blade is positioned at rear end cover, it is characterized in that: described rear end cover and motor housing removably connect, described rear end cover is provided with the linkage structure for being connected rear end cover and motor housing with the joint of motor housing, described linkage structure comprises the first link of ring-type and the second link of ring-type, described the first link is connected with motor housing inner thread, described the second link is connected with rear end cover inner thread, described the second link is provided with the ring-type inserting groove inserting for described the first link, described ring-type inserting groove sidewall is provided with annular groove, described the first link be provided with can with the elastic component of annular groove clamping.
2. centrifugal pump according to claim 1, it is characterized in that: described rear end cover is provided with several exhaust outlets, described exhaust outlet place is equipped with soft plastic tab, and the sidewall that described plastic tab covers exhaust outlet and plastic tab one end is fixedly connected with rear end cover.
3. centrifugal pump according to claim 2, is characterized in that: the sidewall of a relatively annular recessed side of described ring-type inserting groove is outward-dipping arc surface.
4. centrifugal pump according to claim 3, is characterized in that: the thickness of described elastic component is greater than the degree of depth of annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286442.2U CN203906309U (en) | 2014-05-29 | 2014-05-29 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286442.2U CN203906309U (en) | 2014-05-29 | 2014-05-29 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906309U true CN203906309U (en) | 2014-10-29 |
Family
ID=51780592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286442.2U Expired - Fee Related CN203906309U (en) | 2014-05-29 | 2014-05-29 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906309U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397455A (en) * | 2016-05-19 | 2017-11-28 | 广东美的生活电器制造有限公司 | The nose assembly of food processor and there is its food processor |
| CN109340186A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of blade water pump casing convenient for assembling |
| CN113090534A (en) * | 2021-04-14 | 2021-07-09 | 台州阳春机电有限公司 | Water pump that upright used |
-
2014
- 2014-05-29 CN CN201420286442.2U patent/CN203906309U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397455A (en) * | 2016-05-19 | 2017-11-28 | 广东美的生活电器制造有限公司 | The nose assembly of food processor and there is its food processor |
| CN109340186A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of blade water pump casing convenient for assembling |
| CN113090534A (en) * | 2021-04-14 | 2021-07-09 | 台州阳春机电有限公司 | Water pump that upright used |
| CN113090534B (en) * | 2021-04-14 | 2022-07-08 | 台州阳春机电有限公司 | Water pump that upright used |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190529 |