CN207701391U - A kind of immersion circulating pump equipped with filter - Google Patents

Abstract

The utility model discloses a kind of immersion circulating pumps equipped with filter, even if being related to liquid pump field.The utility model includes motor, the pump housing, pump cover and filter, and the top plate of the pump housing is directly fixedly connected with the lower end of shell, and the electrical machine element in seal casinghousing；Pump cover is fixedly arranged on the bottom of pump housing bottom plate, and a closed imbibition chamber is formed between bottom plate, the shaft of motor passes through the through-hole on bottom plate and stretches into imbibition chamber, and the bottom end of shaft is installed with impeller, a change is installed in shaft, it is installed with the lasso that an inner wall is close to the outer surface of change in the through-hole of bottom plate, the door positioned at the top of bottom plate is additionally provided in shaft；Filter is set to pump cover bottom.The filter of the utility model is set to pump cover bottom, and impurity will not enter imbibition chamber, and design is more reasonable；Door has water blocking effect, prevents coolant liquid from being splashed out out of change and lasso gap；And the setting of traditional electric motor end cap is avoided, the total quality of circulating pump is alleviated, cost is also reduced.

Description

A kind of immersion circulating pump equipped with filter

Technical field

Even if the utility model is related to liquid pump field, followed more specifically to a kind of immersion equipped with filter Ring pumps.

Background technology

Immersion circulating pump is used frequently as the cooling pump of lathe, for realizing machine tool coolant or the cycle of cutting fluid.

Existing number of patent application CN201320381709.1, authorized announcement date are on December 18th, 2013, utility model name Referred to as：Machine tool cooling pump with filter device.This application includes motor and the pump housing that is connect with motor, and the pump housing includes the pump housing Ontology, outlet pipe, shaft, pump cover, impeller, pump housing ontology connect to form a water suction appearance with pump cover with respect to the other end of motor Chamber, outlet pipe one end are placed in water suction vessel, and for pump housing body bottom portion there are one water inlet, water inlet, water suction vessel outlet pipe are equal Conducting, the shaft both ends being placed in the pump housing are connected with the output shaft of motor and impeller respectively, and impeller is described in water suction vessel The side of pump housing ontology is set there are one water inlet, and the water inlet is equipped with filtering screen, the direction blade face of the impeller To motor.This application improves the water intake mode of cooling pump in the prior art, increases a filtering screen, can effectively prevent Only impeller blocking or stuck, improves machine tool cooling pump working efficiency, extends the service life of machine tool cooling pump.But mistake Screen cover can not absolutely filter out all impurity, still have a small amount of impurity and enter in ontology, and the mistake of this application Screen cover is set to the side of pump housing ontology, and the vessel that absorbs water is provided at the bottom of pump housing ontology, and impurity can deposit after entering the pump housing Into water suction vessel, design is unreasonable.

Existing number of patent application CN201420256987.9, authorized announcement date are on October 8th, 2014, utility model title For：Water blocking sealing structure for three-phase machine tool cooling pump.This application includes a pump housing, and the downside of the pump housing connects Have a pump cover, in the pump housing setting be connected with impeller in the shaft, the upper end of shaft is pierced by the pump housing upwards, turns there are one shaft Revolute pair is provided between axis and the pump housing, between impeller and the upper surface of the pump housing setting set in the cavity there are one cavity It sets there are one water blocking sealing ring, the water blocking sealing ring is set in the shaft, and water blocking sealing ring is with shaft in axial direction It is fixedly connected with upwards with circumference, water blocking sealing ring is in circular cone shape, and the outer diameter of water blocking sealing ring is more than the outer diameter of shaft.The Shen Please case play the role of water blocking to a certain extent, but coolant liquid is still easy between the outer rim and pump housing inner wall of water blocking sealing ring It splashes out.

Invention content

1. utility model technical problems to be solved

The purpose of the utility model is to overcome filtering screens existing for existing circulating pump to design the unreasonable and pump housing The deficiency of sealing effect difference between shaft provides a kind of immersion circulating pump equipped with filter.Using the utility model Technical solution, filtering screen are set to the bottom of pump cover, and impurity will not enter imbibition chamber, and design is more reasonable；Door has gear Water effect prevents coolant liquid from being splashed out out of change and lasso gap；The top plate of the pump housing is directly connected with electric machine casing, avoids The setting of traditional electric motor end cap alleviates the total quality of circulating pump, also reduces cost.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model is：

A kind of immersion circulating pump equipped with filter of the utility model, including motor, the pump housing and pump cover, it is described Motor includes shell and the fan housing set on case top, and radiator fan, the pump housing are equipped between the fan housing and shell For supporting structure, and it is equipped with top plate, mounting plate and the bottom plate being mutually parallel successively from top to bottom, the pump cover is fixedly arranged on bottom The bottom of plate, and a closed imbibition chamber is formed between bottom plate, the bottom end of the shaft of the motor is equipped with across bottom plate Through-hole and stretch into imbibition chamber, and the bottom end of shaft is installed with impeller, and the bottom of the pump cover is equipped with water inlet, the pump Body is equipped with the water channel of a connection imbibition chamber, and the end of the water channel is equipped with water outlet,

Further include the filter set on pump cover bottom, the filter includes filtering screen, upper cover and lower cover, described Filtering screen is cylindrical in shape to filter from the coolant liquid circumferentially entered, and the water inlet is communicated with the inside of filtering screen, described Upper cover and lower cover be respectively arranged on the upper and lower ends of filtering screen, the top of the upper cover is equipped with the connection being connect with pump cover Ring；

A change is installed in the shaft, and the change is located at the through hole on bottom plate, the through-hole of the bottom plate It is inside installed with the lasso that an inner wall is close to the outer surface of change, the gear positioned at the top of bottom plate is additionally provided in the shaft Lid, the diameter of the door are more than the diameter of lasso；

The top plate of the pump housing is directly fixedly connected with the lower end of shell, and the electrical machine element in seal casinghousing.

Further, the motor further includes the terminal box being set to outside shell.

Further, the change coordinates with shaft transition, and the change is made of hard alloy.

Further, the through-hole transition cooperation on the lasso and bottom plate, and the lasso is made of tetrafluoroethene.

Further, the side wall of the connection ring is equipped with the mounting hole being connect with pump cover.

3. advantageous effect

It is had the advantages that compared with existing known technology using technical solution provided by the utility model：

(1) a kind of immersion circulating pump equipped with filter of the utility model, filtering screen are set to the bottom of pump cover Portion, impurity will not enter imbibition chamber, and design is more reasonable.

(2) a kind of immersion circulating pump equipped with filter of the utility model, door have water blocking effect, prevent cold But liquid is splashed out out of change and lasso gap.

(3) a kind of immersion circulating pump equipped with filter of the utility model, the top plate of the pump housing is directly and motor casing Body is connected, and avoids the setting of traditional electric motor end cap, alleviates the total quality of circulating pump, also reduce cost.

Description of the drawings

Fig. 1 is a kind of installation diagram of immersion circulating pump equipped with filter of the utility model；

Fig. 2 is the partial enlarged view of Fig. 1；

Fig. 3 is the structural schematic diagram of the filter of the utility model.

Label declaration in schematic diagram：

1, motor；11, shell；12, fan housing；13, radiator fan；14, shaft；15, terminal box；2, the pump housing；21, top plate； 22, mounting plate；23, bottom plate；24, water channel；25, water outlet；3, pump cover；31, water inlet；4, impeller；5, filter；51, it filters Guard；52, upper cover；53, lower cover；54, connection ring；541, mounting hole；6, change；7, lasso；8, door.

Specific implementation mode

To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment

In conjunction with Fig. 1, a kind of immersion circulating pump equipped with filter of the present embodiment, including motor 1, the pump housing 2 and pump Lid 3, motor 1 include shell 11, the fan housing 12 set on 11 top of shell and the terminal box 15 outside shell 11,12 He of fan housing Radiator fan 13 is equipped between shell 11.The pump housing 2 be supporting structure, and from top to bottom successively be equipped be mutually parallel top plate 21, Mounting plate 22 and bottom plate 23.The motor of conventional recycle pump is typically provided with an electric motor end cap being connected with shell, with seal casinghousing Interior electrical machine element, then the top plate of the pump housing is connected with electric motor end cap again.The top plate 21 of the pump housing 2 of the present embodiment is directly and shell 11 lower end is fixedly connected, and the electrical machine element in seal casinghousing 11, is avoided the setting of traditional electric motor end cap, is alleviated and follow The total quality of ring pump, also reduces cost.

The pump cover 3 of the present embodiment is fixedly arranged on the bottom of bottom plate 23, and a closed imbibition chamber is formed between bottom plate 23, electricity The bottom end of the shaft 14 of machine 1 passes through the through-hole that is equipped with of bottom plate 23 and stretches into imbibition chamber, and the bottom end of shaft 14 is installed with impeller 4, the bottom of pump cover 3 is equipped with water inlet 31, and the pump housing 2 is equipped with the water channel 24 of a connection imbibition chamber, and the end of the water channel 24 is equipped with Water outlet 25.

As shown in Fig. 2, a change 6 is installed in the shaft 14 of the present embodiment, and the change 6 is located at the through-hole on bottom plate 23 Locate, the lasso 7 that an inner wall is close to the outer surface of change 6 is installed in the through-hole of bottom plate 23.It is additionally provided with the bottom of positioned in shaft 14 The door 8 of the top of plate 23, the diameter of door 8 are more than the diameter of lasso 7.Specifically, change 6 coordinates with 14 transition of shaft, and The change 6 is made of hard alloy, and lasso 7 coordinates with the through-hole transition on bottom plate 23, and the lasso 7 uses tetrafluoroethene system At.Gap between the outer wall and the inner wall of lasso 7 of change 6 is preferably 1, when 4 high-speed rotation of impeller, change 6 and lasso 7 Between gap formed water curtain, have certain sealing function, along with door 8 water blocking act on, ensure that cooling water will not It is splashed out between shaft 14 and bottom plate 23.

In conjunction with Fig. 1 and Fig. 3, the present embodiment further includes the filter 5 set on 3 bottom of pump cover, and filter 5 includes filtering screen 51, upper cover 52 and lower cover 53, filtering screen 51 are cylindrical in shape to filter from the coolant liquid circumferentially entered, water inlet 31 and filtering screen 51 inside communicates, and upper cover 52 and lower cover 53 are respectively arranged on the upper and lower ends of filtering screen 51, and the top of upper cover 52 is equipped with and pump The connection ring 54 that lid 3 connects, specifically, the side wall of connection ring 54 are equipped with the mounting hole 541 being connect with pump cover 3.

A kind of immersion circulating pump equipped with filter of the utility model, filtering screen is set to the bottom of pump cover, miscellaneous Matter will not enter imbibition chamber, and design is more reasonable；Door has water blocking effect, prevents coolant liquid out of, change and lasso gap It splashes out；The top plate of the pump housing is directly connected with electric machine casing, avoids the setting of traditional electric motor end cap, alleviates the whole of circulating pump Weight also reduces cost.

Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in also be the utility model one of embodiment, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (5)

1. a kind of immersion circulating pump equipped with filter, including motor (1), the pump housing (2) and pump cover (3), the motor (1) include shell (11) and the fan housing (12) at the top of shell (11), be equipped between the fan housing (12) and shell (11) Radiator fan (13), the pump housing (2) are supporting structure, and are equipped with the top plate (21) being mutually parallel, peace successively from top to bottom Loading board (22) and bottom plate (23), the pump cover (3) is fixedly arranged on the bottom of bottom plate (23), and forms one between bottom plate (23) Closed imbibition chamber, the bottom end of the shaft (14) of the motor (1) pass through the through-hole that bottom plate (23) is equipped with and stretch into imbibition Chamber, and the bottom end of shaft (14) is installed with impeller (4), the bottom of the pump cover (3) is equipped with water inlet (31), the pump housing (2) it is equipped with the water channel (24) of a connection imbibition chamber, the end of the water channel (24) is equipped with water outlet (25), it is characterised in that：

Further include the filter (5) set on pump cover (3) bottom, the filter (5) includes filtering screen (51), upper cover (52) With lower cover (53), the filtering screen (51) is cylindrical in shape to filter from the coolant liquid circumferentially entered, the water inlet (31) It is communicated with the inside of filtering screen (51), the upper cover (52) and lower cover (53) are respectively arranged on up and down the two of filtering screen (51) End, the top of the upper cover (52) are equipped with the connection ring (54) being connect with pump cover (3)；

A change (6) is installed in the shaft (14), and the change (6) is located at the through hole on bottom plate (23), it is described It is installed with the lasso (7) that an inner wall is close to the outer surface of change (6) in the through-hole of bottom plate (23), is gone back in the shaft (14) Equipped with the door (8) positioned at the top of bottom plate (23), the diameter of the door (8) is more than the diameter of lasso (7)；

The top plate (21) of the pump housing (2) is directly fixedly connected with the lower end of shell (11), and the electricity in seal casinghousing (11) Machine element.

2. a kind of immersion circulating pump equipped with filter according to claim 1, it is characterised in that：The motor (1) further include being set to the terminal box (15) of shell (11) outside.

3. a kind of immersion circulating pump equipped with filter according to claim 2, it is characterised in that：The change (6) coordinate with shaft (14) transition, and the change (6) is made of hard alloy.

4. a kind of immersion circulating pump equipped with filter according to claim 3, it is characterised in that：The lasso (7) coordinate with the through-hole transition on bottom plate (23), and the lasso (7) is made of tetrafluoroethene.

5. a kind of immersion circulating pump equipped with filter according to claim 4, it is characterised in that：The connection ring (54) side wall is equipped with the mounting hole (541) being connect with pump cover (3).