CN207261255U - A kind of Fluorine-lined magnetic centrifugal pump - Google Patents
A kind of Fluorine-lined magnetic centrifugal pump Download PDFInfo
- Publication number
- CN207261255U CN207261255U CN201721322453.1U CN201721322453U CN207261255U CN 207261255 U CN207261255 U CN 207261255U CN 201721322453 U CN201721322453 U CN 201721322453U CN 207261255 U CN207261255 U CN 207261255U
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- China
- Prior art keywords
- pump
- axle sleeve
- centrifugal pump
- fluorine
- pump shaft
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Abstract
The utility model discloses a kind of Fluorine-lined magnetic centrifugal pump, including centrifugal pump body, the centrifugal pump body includes the pump housing, connected body, magnetic coupling and pump shaft, axle sleeve is equipped between the pump shaft and magnetic coupling, the pump shaft is equipped with several equally distributed locating slots of axial direction along pump shaft, the inner side of the axle sleeve, which corresponds at the position of locating slot, is equipped with locating piece corresponding with locating slot, in the locating piece nesting and locating slot, the opposite sides of the locating piece is respectively equipped with elastic component, the outside of the axle sleeve is equipped with one layer using cushion made of elastic material, the outer surface of the cushion is equipped with one layer of smooth metal layer, several equally distributed spherical hollow spaces are additionally provided with the cushion.The structure design of the utility model is reasonable, can normal use at high temperature, anti-pressure ability is good, and service life is grown, and is conducive to the promotion and application of the marketization.
Description
Technical field
It the utility model is related to centrifugation pump technical field, and in particular to a kind of Fluorine-lined magnetic centrifugal pump.
Background technology
Magnetic centrifugal pump be by the operation principle of permanent magnet clutch be used for centrifugal pump high-tech product, its structure generally by
The pump housing, impeller, pump cover, outer magnet rotor and transmission parts, interior magnet rotor, thrust ring, separation sleeve, pump shaft, axle sleeve, bearing, motor
Deng composition.Separated between inside and outside magnet rotor with non-magnetic separation sleeve, separation sleeve and pump sealing cushion for cover fastening.It is connected with impeller
Interior magnet rotor driven by the outer magnet rotor that is connected with motor by the effect in magnetic field so that pump is with realizing Full-sealed no-leakage
Carry out medium conveying.Since it is with hermetically sealed, No leakage, distinguishing feature pollution-free, with small vibration and low noise, largely used
In the liquid of the environment inflammable, explosive, easy to pollute such as conveying oils, acid, alkali, to ensure that production safety is clean with environment.
At present, the inner rotor part of magnetic centrifugal pump of the prior art is submerged in media as well, as inner rotor part
Support, its bearing generally use sliding bearing.In order to improve the operational reliability of pump, the general Ceramics material of sliding bearing.
The sliding bearing of ceramic material needs complete pairing to use, i.e., also needs ceramic material to the material of mill with ceramic bearing.In this way, pump
The axle sleeve of installation ceramic material is needed on axis.Axle sleeve is engaged with metal shaft, ensures the running accuracy of rotor.But ceramics
It is crisp, and the coefficient of expansion is small, axle sleeve will cause to damage by metal shaft spalling when the temperature increases.And if increasing axle sleeve and axis
Gap, then the concentricity of axle sleeve and axis cannot ensure, pump rotor rotate when be in eccentric state, produce abnormal vibration,
Bearing is easily damaged, and pump can not operate normally.And if filled using soft material, its compression strength is inadequate, can not ensure
The concentricity of axle sleeve and axis, and heatproof is not high, can not use at high temperature.Simultaneously because there are between pump shaft and magnetic coupling
Frictionally damage, usually so that magnetic centrifugal pump will be broken using pump shaft after one or two moon, so as to influence its use
Service life.
Utility model content
The utility model is to solve the above-mentioned problems, there is provided and it is a kind of reasonable in design, can normally it make at high temperature
With anti-pressure ability is good, and the Fluorine-lined magnetic centrifugal pump of service life length.
The utility model adopts the following technical solution：
A kind of Fluorine-lined magnetic centrifugal pump, including centrifugal pump body, the centrifugal pump body include the pump housing, are connected to the pump housing one
The connected body at end, the magnetic coupling being arranged in connected body and the pump shaft being arranged in magnetic coupling, the pump shaft and magnetic
Axle sleeve is equipped between power shaft coupling, the pump shaft is equipped with several equally distributed locating slots of axial direction along pump shaft,
The inner side of the axle sleeve, which corresponds at the position of locating slot, is equipped with locating piece corresponding with locating slot, and the locating piece is nested in fixed
In the groove of position, the opposite sides of the locating piece is respectively equipped with elastic component, and the outside of the axle sleeve uses elastic material equipped with one layer
Manufactured cushion, the outer surface of the cushion are equipped with one layer of smooth metal layer, are additionally provided with the cushion some
A equally distributed spherical hollow space.
As a kind of optimal technical scheme of the utility model, the magnetic coupling includes outer steel assembly, interior magnet steel
Assembly and the separation sleeve being arranged between outer steel assembly and interior magnet steel assembly, close to the one of the pump housing on the interior magnet steel assembly
End is connected with impeller, and rotating ring and stationary ring are equipped between the impeller and the pump housing.
As a kind of optimal technical scheme of the utility model, water inlet and water outlet are additionally provided with the pump housing.
As a kind of optimal technical scheme of the utility model, the pump shaft and axle sleeve are made of silicon carbide ceramics.
As a kind of optimal technical scheme of the utility model, the axle sleeve and locating piece are an integral molding structure.
The beneficial effects of the utility model are：
1st, the structure design of the utility model is reasonable, is positioned between pump shaft and axle sleeve by locating slot and locating piece, energy
Enough eccentric phenomenas for effectively avoiding pump shaft from occurring when rotating, so as to reduce abnormal vibrations, are reduced between pump shaft and axle sleeve
Abrasion, prolongs the service life；
2nd, the cushion of the utility model design and elastic component can be avoided because axle sleeve caused by high-temperature expansion extruding
With pump shaft phenomenon of rupture, so that the utility model can be normally suitable for hot environment, and anti-pressure ability is strong, makes
Use long lifespan.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of Fluorine-lined magnetic centrifugal pump of the utility model；
Fig. 2 is the structure enlargement diagram at A in Fig. 1；
Symbol description in figure：
The pump housing 1, connected body 2, pump shaft 3, axle sleeve 4, locating slot 5, locating piece 6, elastic component 7, cushion 8, metal layer 9, ball
Shape cavity 10, outer steel assembly 11, interior magnet steel assembly 12, separation sleeve 13, impeller 14, rotating ring 15, stationary ring 16, water inlet 17, goes out
The mouth of a river 18.
Embodiment
The utility model row is further described presently in connection with attached drawing.
As depicted in figs. 1 and 2, a kind of Fluorine-lined magnetic centrifugal pump, including centrifugal pump body, the centrifugal pump body include pump
Body 1, the connected body 2 for being connected to 1 one end of the pump housing, the magnetic coupling being arranged in connected body 2 and it is arranged in magnetic coupling
Pump shaft 3, axle sleeve 4, the pump shaft are equipped between the pump shaft 3 and magnetic coupling
3 are equipped with several equally distributed locating slots 5 of axial direction along pump shaft 3, each 5 equal edge of locating slot
The circumferential direction for pump shaft 3 is set, and the inner side of the axle sleeve 4 corresponds at the position of locating slot 5 equipped with corresponding with locating slot 5
Locating piece 6, the locating piece 6 are nested in locating slot 5, and the opposite sides of the locating piece 6 is respectively equipped with elastic component 7, described
The outside of axle sleeve 4 is equipped with one layer and is equipped with one layer of light using cushion 8 made of elastic material, the outer surface of the cushion 8
Sliding metal layer 9, is additionally provided with several equally distributed spherical hollow spaces 10 in the cushion 8；The pump shaft 3 and axle sleeve 4 are equal
Be made of silicon carbide ceramics, the axis, 4 and locating piece 6 be an integral molding structure；
The magnetic coupling includes outer steel assembly 11, interior magnet steel assembly 12 and is arranged at outer steel assembly 11 and interior
Separation sleeve 13 between magnet steel assembly 12, one end on the interior magnet steel assembly 12 close to the pump housing 1 are connected with impeller 14, the leaf
Rotating ring 15 and stationary ring 16 are equipped between wheel 14 and the pump housing 1；The pump housing 1 also sea is equipped with water inlet 17 and water outlet 18.
Finally it should be noted that：These embodiments are merely to illustrate model of the utility model without limiting the utility model
Enclose.In addition, to those of ordinary skill in the art, it can also make on the basis of the above description other various forms of
Change changes.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out obvious
Among changing or changing still in the scope of protection of the utility model.
Claims (5)
1. a kind of Fluorine-lined magnetic centrifugal pump, including centrifugal pump body, it is characterised in that：The centrifugal pump body include the pump housing (1),
The connected body (2) for being connected to the pump housing (1) one end, the magnetic coupling being arranged in connected body (2) and it is arranged at magnetic coupling
Interior pump shaft (3), the pump shaft (3) are equipped with axle sleeve (4) between magnetic coupling, and the pump shaft (3) is equipped with several edges
The equally distributed locating slot of axial direction (5) of pump shaft (3), the inner side of the axle sleeve (4) corresponds to the position of locating slot (5)
Place is equipped with and the corresponding locating piece (6) of locating slot (5), and the locating piece (6) is nested in locating slot (5), the locating piece (6)
Opposite sides be respectively equipped with elastic component (7), the outside of the axle sleeve (4) is equipped with one layer using cushion made of elastic material
(8), the outer surface of the cushion (8) is equipped with one layer of smooth metal layer (9), is additionally provided with the cushion (8) some
A equally distributed spherical hollow space (10).
A kind of 2. Fluorine-lined magnetic centrifugal pump according to claim 1, it is characterised in that：The magnetic coupling includes outer magnetic
Steel assembly (11), interior magnet steel assembly (12) and the separation sleeve being arranged between outer steel assembly (11) and interior magnet steel assembly (12)
(13), one end on the interior magnet steel assembly (12) close to the pump housing (1) is connected with impeller (14), the impeller (14) and the pump housing
(1) rotating ring (15) and stationary ring (16) are equipped between.
A kind of 3. Fluorine-lined magnetic centrifugal pump according to claim 1, it is characterised in that：Be additionally provided with the pump housing (1) into
The mouth of a river (17) and water outlet (18).
A kind of 4. Fluorine-lined magnetic centrifugal pump according to claim 1, it is characterised in that：The pump shaft (3) and axle sleeve (4) are equal
It is made of silicon carbide ceramics.
A kind of 5. Fluorine-lined magnetic centrifugal pump according to claim 1, it is characterised in that：The axle sleeve (4) and locating piece (6)
It is an integral molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721322453.1U CN207261255U (en) | 2017-10-16 | 2017-10-16 | A kind of Fluorine-lined magnetic centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721322453.1U CN207261255U (en) | 2017-10-16 | 2017-10-16 | A kind of Fluorine-lined magnetic centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261255U true CN207261255U (en) | 2018-04-20 |
Family
ID=61917467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721322453.1U Active CN207261255U (en) | 2017-10-16 | 2017-10-16 | A kind of Fluorine-lined magnetic centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779945A (en) * | 2018-12-27 | 2019-05-21 | 枞阳县中邦科技信息咨询有限公司 | A kind of plastic pump pump shaft |
| CN110671338A (en) * | 2019-10-08 | 2020-01-10 | 东莞市晟兴泵业有限公司 | Connecting device for inner magnetic rotor and pump shaft of magnetic pump |
| CN112696360A (en) * | 2021-01-11 | 2021-04-23 | 南京花落雪贸易有限公司 | Multistage biological centrifugal pump based on high-speed rotation buffering and re-pressurization |
-
2017
- 2017-10-16 CN CN201721322453.1U patent/CN207261255U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779945A (en) * | 2018-12-27 | 2019-05-21 | 枞阳县中邦科技信息咨询有限公司 | A kind of plastic pump pump shaft |
| CN109779945B (en) * | 2018-12-27 | 2020-12-22 | 安徽泾县天和泵阀有限公司 | Plastic pump shaft |
| CN110671338A (en) * | 2019-10-08 | 2020-01-10 | 东莞市晟兴泵业有限公司 | Connecting device for inner magnetic rotor and pump shaft of magnetic pump |
| CN110671338B (en) * | 2019-10-08 | 2020-11-27 | 东莞市晟兴泵业有限公司 | Connecting device for inner magnetic rotor and pump shaft of magnetic pump |
| CN112696360A (en) * | 2021-01-11 | 2021-04-23 | 南京花落雪贸易有限公司 | Multistage biological centrifugal pump based on high-speed rotation buffering and re-pressurization |
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