CN2385108Y - Motor-pump direct linking horizontal centrifugal pump - Google Patents

Motor-pump direct linking horizontal centrifugal pump Download PDF

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Publication number
CN2385108Y
CN2385108Y CN 99217131 CN99217131U CN2385108Y CN 2385108 Y CN2385108 Y CN 2385108Y CN 99217131 CN99217131 CN 99217131 CN 99217131 U CN99217131 U CN 99217131U CN 2385108 Y CN2385108 Y CN 2385108Y
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CN
China
Prior art keywords
pump
motor
pump case
flange
cover
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Expired - Fee Related
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CN 99217131
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Chinese (zh)
Inventor
路久生
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Individual
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Individual
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Priority to CN 99217131 priority Critical patent/CN2385108Y/en
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Publication of CN2385108Y publication Critical patent/CN2385108Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a motor and pump direct connecting horizontal centrifugal pump, which is composed of a horizontal motor with a long standard shaft and a centrifugal pump. A pump casing of the centrifugal pump is provided with a connecting flange. An end cover of the extended end of a shaft of the motor is provided with a skirt seat with a pump connecting flange. The pump casing and the motor are connected into integration by a flange. An impeller of the centrifugal pump is arranged and fixedly on the shaft end of the motor. The shaft of the motor and the pump casing are sealed by a mechanical sealing piece. A pump cover with a liquid inlet is connected with the pump casing by sealing. The cover surface of the pump cover forms the part of the wall surface of a cavity the pump casing. The utility model has the advantages of compact structure, small volume, and low cost. Besides, the orientations of the liquid inlet and a liquid outlet of the utility model can be changed according to use requests, and the maintenance of the pump and the replacement of parts can be carried out when the pump cover is disassembled.

Description

The motor-pump direct linking horizontal centrifugal pump
The utility model relates to a kind of centrifugal infusion pump.
Centrifugal pump is to carry aqueous material to use the most general transfusion apparatus, existing centrifugal pump and drive motor are independent separately, machine, pump shaft are connected by coupling, and machine, pump are fixed on the chassis, overall volume when machine, pump use, weight are big, its operation is installed and used in fitting operation inconvenience, narrow and small place, maintenance also has inconvenience.The pipeline mounted pump of existing motor-pump direct linking formula structure is subjected to the restriction of its structure to be difficult to use as common transfusion apparatus, and particularly the used motor of pipeline mounted pump is off-gauge major axis motor, and it involves great expense.The liquid inlet and outlet of pipeline mounted pump and installation connector element and pump case are whole to be made, and the inlet/outlet orientation of pump can not change according to the change of usage requirement.The pump housing is fixed on the motor by pump cover, keeps in repair and needs when changing parts and unload together with motor, maintenance, changes troublesome poeration.
The motor that it is normally used standard axial length that the purpose of this utility model provides a kind of used motor, pump housing liquid inlet and outlet orientation can change according to usage requirement, integrity is strong, and volume is little, maintenance, change pump housing operation of components motor-pump direct linking horizontal centrifugal pump easily.
The motor-pump direct linking horizontal centrifugal pump is made of the horizontal machine and the centrifugal pump of standard axial length, the skirt that has circular fold made in one piece is arranged on the electric motor end cap of motor shaft extension one end, the skirt circular fold constitutes motor and connects the pump flange, is uniformly distributed with the bolt penetration hole of symmetry on the flange along the circumference.Having on the side wall surface of pump case of liquid outlet has by supporting frame and the whole pump housing adpting flange that is connected of pump case, be uniformly distributed with along the circumference on the flange with motor and connect the corresponding bolt penetration hole of pump flange bolt perforation, machine, the butt joint of pump flange are struck up partnership by bolton, machine, pump.Pump case enters the axis hole place to be had and pump case sealed letter made in one piece, and motor shaft end passes the pump case axis hole and sealed letter stretches in the pump case chamber, is loaded on the impeller that has suction port in the pump case chamber and is fixed on motor shaft end.Seal by Sealing between motor shaft and pump case axis hole.The pump cover that has liquid entering hole is sealedly connected and fixed and on pump case the pump case chamber is sealed, and the pump cover capping constitutes the part of pump case chamber wall.
Used Sealing is made of the mechanical confidential paper that is sleeved on the outer motor shaft of pump case and be positioned at the water retaining ring at pump case axis hole place and be loaded on sealed letter between the motor shaft of motor-pump direct linking horizontal centrifugal pump and pump case axis hole, mechanical sealing element by edge crouch stationary seal ring on pump case shaft hole inner wall face, be loaded on the impeller hub and hold out against the sealing rotating ring that is slidingly matched with stationary seal ring, be sleeved on sealing rotating ring on the impeller hub and hold out against spring and constitute, the envelope rotating ring is slidingly matched has " U " shape opening slot on the end face.
The progress of motor-pump direct linking horizontal centrifugal pump is improved, it is primary and secondary embedding mouth formula structure that pump case adpting flange and motor connect the pump flange-interface, pump case and pump cover interface also are primary and secondary embedding mouth formula structure, so that after the assembling of machine, pump impeller and pump intake are accurately located.The impeller hub center is equipped with moves back the wheel jackscrew, screws to move back the wheel jackscrew impeller that swelling can be fixed on the motor shaft and back off.Pump case is uniformly distributed along the circumference with pump cover connection screw and is corresponding mutually, thereby can change the orientation of pump housing liquid entering hole according to usage requirement.Have on the motor skirt by supporting frame is whole to connect and be bearing in bearing chamber on the skirt, the motor shaft part is by the bearing supporting and the location that are loaded in the bearing chamber.
Motor-pump direct linking horizontal centrifugal pump compact structure, integrity that the utility model provides are strong, and volume is little, and used motor is the motor of normally used standard axial length, thereby cost is low.Pump housing liquid inlet and outlet can change according to usage requirement, and pump housing maintenance and part replacement are convenient, fast, and the axle envelope is mechanical seal, reliable performance, long service life.
Accompanying drawing is embodiment of the present utility model, further specifies the utility model below in conjunction with embodiment.
Fig. 1 is the structural drawing of motor-pump direct linking horizontal centrifugal pump.
Fig. 2 is a motor-pump direct linking horizontal centrifugal pump side view shown in Figure 1.
Fig. 3 is the A portion partial enlarged drawing of Fig. 1.
Fig. 4 is the B portion partial enlarged drawing of Fig. 3.
Fig. 5 is radially a pump cover structural drawing for the liquid entering hole orientation.
Fig. 6 is the side view of pump cover shown in Figure 5.
As shown in the figure, the motor-pump direct linking horizontal centrifugal pump is made of the centrifugal pump that the horizontal machine (12) and the impeller of normally used standard axial length directly is loaded on motor shaft end.
Have on the motor shaft extension end electric motor end cap and the electric motor end cap skirt (7) that has circular fold (6) made in one piece, skirt circular fold formation connects the pump flange, is uniformly distributed with the bolt penetration hole of symmetry on the flange along the circumference.The pump case of centrifugal pump (19) has the liquid outlet (4) that has pipe connecting flange (5), the pump case side wall surface has by supporting frame (18) and pump case pump housing adpting flange made in one piece (17), is uniformly distributed with along the circumference on the pump housing adpting flange with motor and connects the pump flange bolt corresponding bolt penetration hole of boring a hole.On the pump housing adpting flange hugging is arranged, motor connects on the pump flange annular boss, and flange connects the back and constitutes primary and secondary embedding mouth formula structure.Pump housing adpting flange connects the pump flange with motor and docks the back by bolton, and pump case is fastened on the motor.Pump case axis hole place has and pump case sealed letter made in one piece (16), motor shaft (15) end passes the pump case axis hole and sealed letter stretches in the pump case chamber, and the impeller (20) that absorbs inlet (21) that has that is loaded in the pump case chamber is fixed on the motor shaft end place by axle key (9) swelling.The impeller hub centre is equipped with moves back wheel jackscrew (23), and screwing jackscrew can be with impeller by backing off on the motor shaft.Between motor shaft and pump case axis hole by being sleeved on the water retaining ring (10) on the pump casing motor shaft part and being loaded on mechanical sealing element sealing in the sealed letter, mechanical sealing element by edge crouch stationary seal ring (24) on pump case shaft hole inner wall face, compress and have the sealing rotating ring of " U " opening slot (27) (25) to constitute on the surface of contact that is slidingly matched with stationary seal ring by being sleeved on goring push spring (26) pushing tow on the impeller hub.The liquid entering hole (22) that has pipe connecting flange (1) is made with pump cover (3) is whole, pump cover and pump case jointing are shaped on annular boss, pump case and pump cover jointing are shaped on the groove that adapts with pump cover interface boss and constitute primary and secondary embedding mouth formula interface, pump cover is locked by screw (2) and on pump case the pump case chamber is sealed, and the pump cover capping constitutes the part of pump case chamber wall.Fastening screw trip bolt is along pump cover circumference uniform distribution and corresponding mutually.
The motor-pump direct linking horizontal centrifugal pump is according to using needs, liquid entering hole on the pump cover can be made the radially liquid entering hole of structure as shown in Figure 5, have radially that the liquid entering hole of the pump cover of liquid entering hole (30) has pipe connecting flange made in one piece (29), liquid entering hole is by being communicated with pump cover liquid entering hole (28) with pump cover catheter made in one piece (31).
Pump case radially rotates the liquid outlet orientation of back by bolt locking, the can regulate change pump housing during use, installs and uses requirement to adapt to.In order to reduce the degree of eccentricity of motor shaft, have on the motor skirt by the whole bearing chamber (14) that is connected of supporting frame (8) and skirt, the motor shaft shaft part is by the rolling bearing (11), (13) supporting and the location that are loaded in the bearing chamber.

Claims (3)

1, a kind of machine, pump direct connection horizontal centrifugal pump, it is characterized in that constituting by the horizontal machine and the centrifugal pump of standard axial length, the skirt that has circular fold made in one piece is arranged on the electric motor end cap of motor shaft extension one end, the skirt circular fold constitutes motor and connects the pump flange, be uniformly distributed with the bolt penetration hole of symmetry on the flange along the circumference, having has on the pump case side wall surface of liquid outlet by supporting frame and the whole pump housing adpting flange that is connected of pump case, be uniformly distributed with along the circumference on the flange with motor and connect the corresponding bolt penetration hole of pump flange bolt perforation, machine, the butt joint of pump flange is by bolton, machine, pump is become one, pump case axis hole place has and pump case sealed letter made in one piece, motor shaft end passes the pump case axis hole and sealed letter stretches in the pump case chamber, the impeller that has suction port that is loaded in the pump case chamber is fixed on motor shaft end, seal by Sealing between motor shaft and pump case axis hole, the pump cover that has liquid entering hole is sealedly connected and fixed and on pump case the pump case chamber is sealed, and the pump cover capping constitutes the part of pump case chamber wall.
2, by the described motor-pump direct linking horizontal centrifugal pump of claim 1, it is characterized in that water retaining ring and the mechanical sealing element formation that is loaded on sealed letter that said Sealing is served as reasons and is sleeved on the outer motor shaft of pump case and is positioned at pump case axis hole place, mechanical sealing element by edge crouch stationary seal ring on pump case shaft hole inner wall face, be loaded on the impeller hub and hold out against the sealing rotating ring that is slidingly matched with stationary seal ring, be sleeved on sealing rotating ring on the impeller hub and hold out against spring and constitute, the sealing rotating ring is slidingly matched has " U " shape opening slot on the end face.
3, by the described motor-pump direct linking horizontal centrifugal pump of claim 1, it is characterized in that the blue interface of said pump case adpting flange and motor connection is a primary and secondary embedding mouth formula structure, pump case and pump cover interface are primary and secondary embedding mouth formula structure, the impeller hub center is equipped with moves back the wheel jackscrew, pump case is uniformly distributed along the circumference with pump cover connection screw and is corresponding mutually, have on the motor skirt by supporting frame is whole to connect and be bearing in bearing chamber on the skirt, the motor shaft part is by the bearing supporting and the location that are loaded in the bearing chamber.
CN 99217131 1999-07-22 1999-07-22 Motor-pump direct linking horizontal centrifugal pump Expired - Fee Related CN2385108Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99217131 CN2385108Y (en) 1999-07-22 1999-07-22 Motor-pump direct linking horizontal centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99217131 CN2385108Y (en) 1999-07-22 1999-07-22 Motor-pump direct linking horizontal centrifugal pump

Publications (1)

Publication Number Publication Date
CN2385108Y true CN2385108Y (en) 2000-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99217131 Expired - Fee Related CN2385108Y (en) 1999-07-22 1999-07-22 Motor-pump direct linking horizontal centrifugal pump

Country Status (1)

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CN (1) CN2385108Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742449A (en) * 2013-12-20 2014-04-23 广西南宁百兰斯科技开发有限公司 Water pump with flange interface
CN104295507A (en) * 2014-10-22 2015-01-21 江苏振华泵业制造有限公司 Horizontal high-back-pressure centrifugal pumping set
CN106555779A (en) * 2016-12-01 2017-04-05 广州市白云泵业集团有限公司 One step single sucking constant pressure fire pump with integral type pump cover
CN108252890A (en) * 2018-03-15 2018-07-06 苏州金莱克精密机械有限公司 A kind of drive mechanism for single plunger double end booster pump
CN109538486A (en) * 2018-12-19 2019-03-29 安徽银龙泵阀股份有限公司 A kind of centrifugal pump with air sinuses prophylactic function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742449A (en) * 2013-12-20 2014-04-23 广西南宁百兰斯科技开发有限公司 Water pump with flange interface
CN104295507A (en) * 2014-10-22 2015-01-21 江苏振华泵业制造有限公司 Horizontal high-back-pressure centrifugal pumping set
CN104295507B (en) * 2014-10-22 2016-09-07 江苏振华泵业股份有限公司 Horizontal high back pressure centrifugal pump group
CN106555779A (en) * 2016-12-01 2017-04-05 广州市白云泵业集团有限公司 One step single sucking constant pressure fire pump with integral type pump cover
CN108252890A (en) * 2018-03-15 2018-07-06 苏州金莱克精密机械有限公司 A kind of drive mechanism for single plunger double end booster pump
CN108252890B (en) * 2018-03-15 2024-01-30 苏州金莱克精密机械有限公司 Transmission structure for single-plunger double-head booster pump
CN109538486A (en) * 2018-12-19 2019-03-29 安徽银龙泵阀股份有限公司 A kind of centrifugal pump with air sinuses prophylactic function

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee