CN207598526U - A kind of immersible pump - Google Patents

Abstract

The utility model provides a kind of immersible pump, belongs to pump manufacturing technology field.It solves the problems such as existing immersible pump poor sealing performance, noise is big.This immersible pump, including housing and spiral case, housing is provided at both ends with upper top cover and lower bottom cover, and enclosure interior is provided with motor, motor has motor shaft, motor shaft includes transition connection section and connection transmission segment, connection transmission segment is extended to inside spiral case, connection transmission segment is provided with assembling step, it has the groove being recessed inwardly, impeller is provided in spiral case, ring flange is fixed between lower plate and spiral case, an annular seal space placed for transition connection section is formed between ring flange and lower plate, sealing ring is provided on connection changeover portion, rubber ring set is connected between sealing ring, the support spring that axial support force is provided for sealing ring is provided with outside rubber ring set, spiral case bottom end offers water inlet, side is provided with water outlet.The utility model has the advantages that low noise, efficient work are stablized.

Description

A kind of immersible pump

Technical field

The utility model belongs to pump manufacturing technology field, more particularly to a kind of immersible pump.

Background technology

Immersible pump is that the pump housing and motor all pull the plug a kind of water pump of work, is the important equipment of deep-well water lift, leads to Cross and stretch into cable in well and power to motor, eliminate transmission long axis, have it is compact-sized, it is light-weight, install, use and shift The advantages of facilitating, be mainly used in mine speedily carry out rescue work, industry cooling, field irrigation, seawater lift, steamer tune load, fountain landscape etc. Aspect, must be hydraulically full in suction line and pump before immersible pump turn on pump.After turn on pump, impeller high speed rotation, liquid therein with Blade rotates together, under the influence of centrifugal force, flies away from impeller and is projected towards pump discharge, discharged via discharge pipe.

The most structure of immersible pump on existing market is similar, and under the state of working long hours, the impact of flow can influence leaf Take turns the connection between transmission shaft, impeller is caused a degree of axial vibration occur, generates noise, for this phenomenon, no Few designer proposes the improvement project reversely rotated using impeller, works as pump work, impeller to side rotate when, impeller and axis Screw thread Opposite direction connection the more to rotate the more tight, although solving the phenomenon that impeller loosening, due to two Impact directions on the contrary, passing Moving axis can be by larger twisting resistance so that the sealing performance between transmission shaft and housing declines.

Invention content

The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of low noise, work The immersible pump of efficient stable.

The purpose of this utility model can be realized by following technical proposal：A kind of immersible pump including housing and is connected Spiral case in housing lower end, the housing is provided at both ends with upper top cover and lower bottom cover, and enclosure interior is provided with motor, institute Motor is stated with axial raised motor shaft, which is characterized in that the motor shaft includes transition connection section and connection transmission Section, the connection transmission segment pass through lower bottom cover and extend to inside spiral case, and the connection transmission segment is provided with circumferential projection Assembling step, and assemble step both ends there is the groove being recessed inwardly, offer what is axially set on the assembling step Keyway, the keyway are recessed inwardly and groove surfaces flush, are provided in the spiral case and the assembling matched leaf of step Wheel, and the circumferential of impeller is limited by key and is slid, the impeller upper surface is resisted against on motor shaft, and lower end is provided with side Help the axle sleeve that impeller and motor shaft are fixedly connected with, be fixed with ring flange between the lower plate and spiral case, the ring flange with An annular seal space placed for transition connection section, the connection changeover portion and ring flange, lower plate phase are formed between lower plate Cooperation contact position is both provided with sealing ring, and the rubber being sheathed on connection changeover portion excircle is connected between the sealing ring Ring set, the rubber ring set are provided with the support spring that axial support force is provided for sealing ring outside, and the spiral case bottom end is opened Equipped with water inlet, side is provided with the water outlet being connected with water inlet.

The technique effect of this immersible pump is：The motor shaft of immersible pump is divided into transition connection section and connects with connecting transmission segment, transition It connects section to be set between ring flange and lower bottom cover, and the rubber ring set being bonded completely is cased on the outer circumference surface of transition connection section, The both ends of rubber ring set have the sealing ring that fits respectively with ring flange, lower bottom cover, avoid what motor shaft generated when operating from altering The phenomenon that sealing ring is caused to slide is moved, support spring is provided between two sealing rings, support spring has deformability The advantages of strong, the adjustment of self structure can be carried out according to the change of power, connection transmission segment for motor shaft and impeller connection with And the rotation of impeller, assembling the design of step and groove contributes to impact of the buffered water stream to connecting portion, reduces noise.

In a kind of above-mentioned immersible pump, the bottom end of the spiral case is provided with filter, and the filter includes bottom Plate and the catch being set on bottom plate, the catch are vertically arranged along bottom plate edge, and there are streams between each baffle Body space.Prevent large-scale impurity from entering in spiral case the normal work for influencing immersible pump.

In a kind of above-mentioned immersible pump, the spiral case has axially downwardly raised fixed feet, the bottom plate phase Corresponding position has to be fixedly connected with the matched screw hole of fixed feet, the spiral case with filter by bolt.Facilitate spiral case Assembly and disassembly between filter improve the replacement efficiency of part.

In a kind of above-mentioned immersible pump, the housing tip is provided with protective cover, and the protective cover bottom end is provided with The fixed station radially extended, each edge of the fixed station are both provided with connecting screw, and the connecting screw is to downward It extends at lower bottom cover, and is fixedly connected with therewith.The correlation sealed by connecting screw realization protective cover with lower bottom cover, promotes pump case Overall tightness.

In a kind of above-mentioned immersible pump, the water outlet is provided with connectivity kit, and the connectivity kit is used for Connect immersible pump water outlet and outer connected water outlet pipe.Immersible pump and various outer connected water outlet pipe mating connections are improved, improve immersible pump Overall applicability range.

In a kind of above-mentioned immersible pump, gasket ring is connected between the housing and upper top cover.Further promoted The leakproofness of housing, preventing water from entering enclosure interior influences the normal work of motor.

Compared with prior art, compared to traditional immersible pump, this immersible pump is in the connection structure and sealing structure of impeller On be made that improvement, have the advantages that low noise, efficient work stablize.

Description of the drawings

Fig. 1 is the general structure schematic diagram of this immersible pump.

Fig. 2 is the structure sectional view of this immersible pump.

Fig. 3 is the part dismounting figure of this immersible pump.

In figure, 1, housing；2nd, spiral case；3rd, upper top cover；4th, lower bottom cover；5th, motor；6th, motor shaft；7th, transition connection section； 8th, transmission segment is connected；9th, step is assembled；10th, groove；11st, keyway；12nd, impeller；13rd, axle sleeve；14th, ring flange；15th, annular seal space； 16th, sealing ring；17th, rubber ring set；18th, support spring；19th, water inlet；20th, water outlet；21st, filter；22nd, bottom plate；23rd, it keeps off Piece；24th, fixed feet；25th, protective cover；26th, fixed station；27th, connecting screw；28th, connectivity kit；29th, gasket ring.

Specific embodiment

It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

As shown in Figure 1 to Figure 3, this immersible pump including housing 1 and is fixed on the spiral case 2 of 1 lower end of housing, 1 both ends of housing Upper top cover 3 and lower bottom cover 4 being provided with, and housing 1 is internally provided with motor 5, motor 5 has axial raised motor shaft 6, Motor shaft 6 includes transition connection section 7 and connection transmission segment 8, and connection transmission segment 8 passes through lower bottom cover 4 and extends in spiral case 2 Portion, connection transmission segment 8 is provided with the assembling step 9 of circumferential projection, and 9 both ends of assembling step have the groove 10 being recessed inwardly, The keyway 11 axially set is offered on assembling step 9, keyway 11 is recessed inwardly and 10 surface flush of groove, is set in spiral case 2 It is equipped with assembling 9 matched impeller 12 of step, and the circumferential of impeller 12 is limited by key and is slid, 12 upper surface of impeller is resisted against On motor shaft 6, lower end sets the axle sleeve 13 that helpful impeller 12 is fixedly connected with motor shaft 6, between lower plate 22 and spiral case 2 Ring flange 14 is fixed with, an annular seal space 15 placed for transition connection section 7, connection are formed between ring flange 14 and lower plate 22 Changeover portion matches contact position with ring flange 14, lower plate 22 and is both provided with sealing ring 16, is connected with and is arranged between sealing ring 16 Rubber ring set 17 on connection changeover portion excircle, rubber ring set 17 are provided with provide axial support force for sealing ring 16 outside Support spring 18,2 bottom end of spiral case offer water inlet 19, and side is provided with the water outlet 20 being connected with water inlet 19.

Large-scale impurity enters in spiral case 2 normal work for influencing immersible pump in order to prevent, and the bottom end of spiral case 2 is provided with filtering Device 21, filter 21 includes bottom plate 22 and the catch 23 being set on bottom plate 22, catch 23 are vertically set along 22 edge of bottom plate It puts, and there are fluid gaps between each baffle.

In order to facilitate the assembly and disassembly between spiral case 2 and filter 21, spiral case 2 has axially downwardly raised fixed feet 24, have at 22 opposite position of bottom plate and mutually consolidated by bolt with filter 21 with 24 matched screw hole of fixed feet, spiral case 2 Even.

In order to realize correlation that protective cover 25 is sealed with lower bottom cover 4,1 top of housing is provided with protective cover 25, protective cover 25 bottom ends are provided with the fixed station 26 radially extended, and each edge of fixed station 26 is both provided with connecting screw 27, connects spiral shell Bar 27 is extended downward at lower bottom cover 4, and is fixedly connected with therewith.

In order to improve immersible pump overall applicability range, connectivity kit 28 is provided at water outlet 20, connectivity kit 28 is used for Connect immersible pump water outlet 20 and outer connected water outlet pipe.

In order to further enhance the leakproofness of housing 1, gasket ring 29 is connected between housing 1 and upper top cover 3.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although housing 1, spiral case 2, upper top cover 3, lower bottom cover 4, motor 5, motor shaft 6, transition is used more herein Linkage section 7, connection transmission segment 8, assembling step 9, groove 10, keyway 11, impeller 12, axle sleeve 13, ring flange 14, annular seal space 15, Sealing ring 16, support spring 18, water inlet 19, water outlet 20, filter 21, bottom plate 22, catch 23, is fixed rubber ring set 17 The terms such as foot 24, protective cover 25,26 connecting screw 27 of fixed station, connectivity kit 28, gasket ring 29, but be not precluded and use it The possibility of its term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It To be construed to any one of the additional limitations be all contrary to the spirit of the present invention.

Claims (6)

1. a kind of immersible pump, including housing（1）And it is fixed on housing（1）The spiral case of lower end（2）, the housing（1）Both ends It is provided with upper top cover（3）With lower bottom cover（4）, and housing（1）It is internally provided with motor（5）, the motor（5）With axial direction The motor shaft of protrusion（6）, which is characterized in that the motor shaft（6）Including transition connection section（7）And connection transmission segment（8）, institute The connection transmission segment stated（8）Across lower bottom cover（4）And extend to spiral case（2）Inside, the connection transmission segment（8）It is provided with week To the assembling step of protrusion（9）, and assemble step（9）Both ends have the groove being recessed inwardly（10）, the assembling step（9） On offer the keyway axially set（11）, the keyway（11）It is recessed inwardly and groove（10）Surface flush, the snail Shell（2）It is inside provided with and assembling step（9）Matched impeller（12）, and impeller is limited by key（12）Circumferential sliding, institute The impeller stated（12）Upper surface is resisted against motor shaft（6）On, lower end sets helpful impeller（12）With motor shaft（6）Xiang Gu Axle sleeve even（13）, the lower plate（22）With spiral case（2）Between be fixed with ring flange（14）, the ring flange（14）With Lower plate（22）Between formed one supply transition connection section（7）The annular seal space of placement（15）, the connection changeover portion and flange Disk（14）, lower plate（22）It matches contact position and is both provided with sealing ring（16）, the sealing ring（16）Between be connected with set Rubber ring set on connection changeover portion excircle（17）, the rubber ring set（17）It is provided with outside as sealing ring（16）It carries For the support spring of axial support force（18）, the spiral case（2）Bottom end offers water inlet（19）, side is provided with and intakes Mouthful（19）The water outlet being connected（20）.

A kind of 2. immersible pump according to claim 1, which is characterized in that the spiral case（2）Bottom end be provided with filtering Device（21）, the filter（21）Including bottom plate（22）And it is set to bottom plate（22）On catch（23）, the catch （23）Along bottom plate（22）Edge is vertically arranged, and there are fluid gaps between each baffle.

A kind of 3. immersible pump according to claim 2, which is characterized in that the spiral case（2）With axially downwardly raised Fixed feet（24）, the bottom plate（22）Have at opposite position and fixed feet（24）Matched screw hole, the snail Shell（2）With filter（21）It is fixedly connected with by bolt.

A kind of 4. immersible pump according to claim 1, which is characterized in that the housing（1）Top is provided with protective cover （25）, the protective cover（25）Bottom end is provided with the fixed station radially extended（26）, the fixed station（26）Each edge It is both provided with connecting screw（27）, the connecting screw（27）Extend downward into lower bottom cover（4）Place, and be fixedly connected with therewith.

A kind of 5. immersible pump according to claim 1, which is characterized in that the water outlet（20）Place is provided with connector sleeve Part（28）, the connectivity kit（28）For connecting immersible pump water outlet（20）With outer connected water outlet pipe.

A kind of 6. immersible pump according to claim 1, which is characterized in that the housing（1）With upper top cover（3）Between connect It is connected to gasket ring（29）.