CN205618366U - High performance centrifugal pump - Google Patents

High performance centrifugal pump Download PDF

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Publication number
CN205618366U
CN205618366U CN201620282359.7U CN201620282359U CN205618366U CN 205618366 U CN205618366 U CN 205618366U CN 201620282359 U CN201620282359 U CN 201620282359U CN 205618366 U CN205618366 U CN 205618366U
Authority
CN
China
Prior art keywords
pump
cover
impeller
seal
pump cover
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
Application number
CN201620282359.7U
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Chinese (zh)
Inventor
袁丹青
丛小青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu HENGWEI fluid technology Limited by Share Ltd
Original Assignee
ZHENJIANG GREAT PUMP CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHENJIANG GREAT PUMP CO Ltd filed Critical ZHENJIANG GREAT PUMP CO Ltd
Priority to CN201620282359.7U priority Critical patent/CN205618366U/en
Application granted granted Critical
Publication of CN205618366U publication Critical patent/CN205618366U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a high performance centrifugal pump, including the pump body, impeller, pump cover, sealing mechanism, seal structure includes O type sealing washer, and mechanical seal, seal ring and end cover, O type sealing washer registrate at the fixing clip joint block of pump cover outsidely, are fixed in pump cover and pump body connection department, realize the sealing connection between the pump cover and the pump body, mechanical seal, seal ring and end cover all are located impeller shaft and pump cover connection department, all registrate on the impeller shaft, and the internal portion of self -pumping outwards be mechanical seal, seal ring, end cover in proper order, and the end cover is the loop type structure, its top and bottom all with pump cover welded connection, is equipped with the annular groove inside the end cover, seal ring sets up inside the loop type recess, the seal ring cross -section is L type structure, mechanical seal is the loop configuration, is located impeller one end, and mechanical seal one end pressfitting is on seal ring. Has sealed safety, simple structure, easy maintenance's characteristics.

Description

A kind of high performance centrifugal pump
Technical field
The present invention relates to a kind of centrifugal pump, particularly to a kind of high performance centrifugal pump.
Background technology
Centrifugal pump utilizes impeller to rotate and make water generation centrifugal motion carry out work.Water pump is before activation, it is necessary to is full of water in making pump case and suction hose, then starts motor, make pump shaft impeller and water do high speed rotary motion, water generation centrifugal motion, be thrown toward impeller outer edge, through the setting-out pipeline of the runner inflow water pump of volute pump case.
Centrifugal pump can be widely used for the industry conveyings such as electric power, metallurgy, coal, the building materials slurry containing solid particle.Such as thermal power plant's hydraulic(-ash) sluicing, technics of metallurgy mineral dressing factory pulp conveying, coal washery coal slurry and dense medium conveying etc..Along with industrial expansion, people are for the sealing property of centrifugal pump, and installing operating characteristics has the highest requirement.
Summary of the invention
For overcoming the defect of prior art, a kind of high performance centrifugal pump that it is an object of the invention to provide, there is sealingly secure, simple in construction, feature easy to maintenance.
The present invention solves technical problem and adopts the following technical scheme that
A kind of high performance centrifugal pump, including the pump housing, impeller, pump cover, sealing mechanism, described pump housing side is provided with water inlet, the first fixed plate it is provided with outside described water inlet, being provided with fixing hole bottom described first fixed plate, described pump housing top is provided with outlet, is provided with the second fixed plate outside described outlet, described second fixed plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole;Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller in being vertically arranged, described impeller connects and has impeller axle in described working chamber, and described impeller axle top is fixed on described impeller central position through acorn nut,
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing;Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure;Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer.
Above-mentioned a kind of pump high efficiency sealing mechanism, wherein, described impeller axle runs through described pump cover and realizes the connection of pump body impeller and power source.
Compared with the prior art, beneficial effects of the present invention is embodied in:
1, use special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole in fixed plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, use novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Use specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction use triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness;Seal washer, between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
Accompanying drawing explanation
Fig. 1 is profile of the present invention.
Fig. 2 is sealing mechanism enlarged drawing of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment
A kind of high performance centrifugal pump, including the pump housing 1, impeller 2, pump cover 3, sealing mechanism 6, the described pump housing 1 side is provided with water inlet 11, described water inlet 11 is outside is provided with the first fixed plate 12, it is provided with the pump housing 1 top described in fixing hole 4 bottom described first fixed plate 12 and is provided with outlet 13, described outlet 13 is outside is provided with the second fixed plate 14, described second fixed plate 14 side is provided with fixing hole 4, and the described pump housing 1 realizes water inlet 11 and inlet channel, outlet 13 and the connection of outlet conduit by fixing hole 4;The described pump housing 1 side connects pump cover 3, described pump cover 3 is provided with fixing hole 5, fixing hole 5 is coordinated to realize being connected with the pump housing 1 by bolt and nut, described pump cover 3 is provided with fixing clamping block 31, described fixing clamping block 31 structure ringwise, being connected to the described pump housing 1 internal, the described pump housing 1 is internal is provided with working chamber 15
Described impeller 2 in being vertically arranged, described impeller 2 connects and has impeller axle 21 in described working chamber 15, and described impeller axle 21 top is fixed on described impeller 2 center through acorn nut 23;
Described sealing structure 6 includes O RunddichtringO 61, mechanical seal 62, seal washer 63 and end cover 64, the fixing clamping block 31 that described O RunddichtringO 61 is linked in described pump cover 3 is outside, is fixed on described pump cover 3 and the described pump housing 1 junction, it is achieved being tightly connected between pump cover 3 and the pump housing 1;Described mechanical seal 62, seal washer 63 and end cover 64 are respectively positioned on described impeller axle 21 and described pump cover 3 junction, all it is linked on described impeller axle 21, mechanical seal 62, seal washer 63, end cover 64 outwards it is followed successively by from the pump housing 1 inside, described end cover 64 is in ring type structure, its top and bottom is all welded to connect with described pump cover 1, described end cover 64 is internal is provided with annular groove 641, it is internal that described seal washer 63 is arranged at described ring groove 641, and described seal washer 63 cross section is of an L-shaped structure;Described mechanical seal 62 structure ringwise, is positioned at impeller 2 one end, and described mechanical seal 62 one end is pressed together on described seal washer 63.Described impeller axle runs through described pump cover and realizes the connection of pump body impeller and power source.
Prior art is compared, and beneficial effects of the present invention is embodied in:
1, use special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole in fixed plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, use novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Use specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction use triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness;Seal washer, between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within the scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (2)

1. a high performance centrifugal pump, it is characterized in that, including the pump housing, impeller, pump cover, sealing mechanism, described pump housing side is provided with water inlet, is provided with the first fixed plate, is provided with fixing hole bottom described first fixed plate outside described water inlet, described pump housing top is provided with outlet, being provided with the second fixed plate outside described outlet, described second fixed plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole;Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller in being vertically arranged, described impeller connects and has impeller axle in described working chamber, and described impeller axle top is fixed on described impeller central position through acorn nut,
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing;Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure;Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer.
A kind of high performance centrifugal pump the most according to claim 1, it is characterised in that described impeller axle runs through described pump cover and realizes the connection of pump body impeller and power source.
CN201620282359.7U 2016-04-07 2016-04-07 High performance centrifugal pump Expired - Fee Related CN205618366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620282359.7U CN205618366U (en) 2016-04-07 2016-04-07 High performance centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620282359.7U CN205618366U (en) 2016-04-07 2016-04-07 High performance centrifugal pump

Publications (1)

Publication Number Publication Date
CN205618366U true CN205618366U (en) 2016-10-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620282359.7U Expired - Fee Related CN205618366U (en) 2016-04-07 2016-04-07 High performance centrifugal pump

Country Status (1)

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CN (1) CN205618366U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736383A (en) * 2016-04-07 2016-07-06 镇江江大泵业科技有限公司 High-performance centrifugal pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105736383A (en) * 2016-04-07 2016-07-06 镇江江大泵业科技有限公司 High-performance centrifugal pump

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 212013 No. 69, Heng Garden Road, Dantu Industrial Park, Jiangsu, Zhenjiang, China

Patentee after: Jiangsu HENGWEI fluid technology Limited by Share Ltd

Address before: 212013 No. 69, Heng Garden Road, Dantu Industrial Park, Jiangsu, Zhenjiang, China

Patentee before: Zhenjiang Great Pump 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: 20161005

Termination date: 20180407