CN204025090U

CN204025090U - Integrated well submersible pump

Info

Publication number: CN204025090U
Application number: CN201420495210.8U
Authority: CN
Inventors: 陈国荣; 唐卫全; 林德照
Original assignee: GUANGDONG RUIRONG PUMP INDUSTRY Co Ltd
Current assignee: GUANGDONG RUIRONG PUMP INDUSTRY Co Ltd
Priority date: 2014-08-25
Filing date: 2014-08-25
Publication date: 2014-12-17
Anticipated expiration: 2024-08-25

Abstract

The utility model discloses a kind of integrated well submersible pump, comprise pump case, pump head assembly, enter water seat, motor assembly, impeller sets, combination hub formula cable assembly, motor assembly is arranged in pump case together with connecting by coupling with impeller sets, peripheral clearance forms water flowing runner, then by pump head assembly with enter water seat and fix; Motor assembly comprises motor housing, stator, rotor, upper bearing bracket, step, bearing, mechanical sealing element, lower capping, pump head assembly comprises central water outlet interface, cable assembly outlet and lifting ear, waist priming hole is communicated with water outlet mouthpiece, under water outlet mouthpiece center, there are airtight test hole and sealing screw, on the circumference of pump head lower end, there are seam and seal ring, be embedded in motor housing end, upper bearing bracket is cylinder cup, inner chamber is capacitance cavity, the cup end, is extruded with bearing bore dress bearing, and rotor axle head installs in this bearing; Enter water seat lower end and also can add holding water pump supporting base; There is technique simple, improve production efficiency and product quality, the beneficial effect reducing costs.

Description

Integrated well submersible pump

Technical field

The utility model relates to a kind of well submersible pump, especially a kind of motor and multi-stage impeller is arranged on to the integrated well submersible pump in same pipe shell.

Background technique

In prior art, integrated diving pump is that motor and multi-stage impeller are arranged on to the submersible pump in same pipe shell, can accelerate motor radiating and improve electric efficiency, under Same Efficieney, contrast with common submersible pump, motor materials reduce, cost is lower, it is a kind of efficient energy-saving motor, integrated diving pump is mainly used in water circulation at present, irrigation and drainage etc., because structure and special-purpose reason fail to use in deep-well, its main structure is to comprise pump case, pump head assembly, enter water seat, motor assembly and impeller sets and cable assembly, described motor assembly is arranged in pump case together with connecting up and down by transmission shaft with impeller sets, and and pump housing endophragm between gapped formation water flowing runner, pump head assembly and enter water seat and be arranged on respectively the upper and lower two ends of pump case motor assembly and impeller sets are fixed, described motor assembly comprises motor housing and stator is wherein installed, rotor, upper bearing bracket, step and bearing and mechanical sealing element and lower capping, on described pump head assembly, be provided with water outlet mouthpiece and cable assembly outlet and lifting ear, wherein motor assembly is that both transmission shafts are connected in advance and connected together by welding manner or screw flight together with connecting up and down by transmission shaft with impeller sets, then impeller sets is just installed, during installation, also to guarantee that the gap cumulative error between every grade of impeller and blower inlet casing meets installation requirement, installation difficulty is higher, because motor transmission shaft is circular shaft head, impeller sets transmission shaft is hexagonal spindle nose, when connecting, both need to guarantee coaxality, just can reach requirement for dynamic balance, otherwise can shaking while moving, submersible pump produces larger noise, and easily cause submersible pump fault, inner coupling structure is the key structure of integrated Submersible Pump, affects quality of product and life-span, and welding manner also needs weld bond processing and straightening operation after welding, when processing cost is relatively high, efficiency is also lower, and the long motor that makes of the axle after welding is installed and water pump mounting process complexity, it is directly to connect by screw flight that shaft coupling mode also has a kind of, refer to that Motor Shaft has male threaded stub, water pump hexagonal axle head has tapped hole, direct scyewed joint, this structure is also to exist coaxality to be relatively difficult to ensure the problem of card, reduced the intensity of coupled position simultaneously, for the words of proof strength will strengthen hexagonal axis diameter, cost of material can increase, and this structure is not suitable for three phase electric machine and connects, because there is the phenomenon that gets loose of reversing, appearance can cause water pump fault repeatedly, proof strength and cutting down finished cost when so said structure all can not guarantee coaxality, simultaneously, the integrated well of prior art is the circumferential edges that relies on pump head assembly with the water outlet of submersible pump, original object is the water outlet of better converging periphery water flowing runner, avoid cable assembly outlet interference effect installation quality and efficiency simultaneously, but because water outlet keeps to the side, in the well used time, be inconvenient to take over, when product is installed, cable assembly is to be contained in advance on pump head assembly simultaneously, due to elastic cable paper length to roll protection, whole product installation process is all being carried cable, so very bother, generally speaking, the complicated trouble of mounting process of the integrated submersible pump structure of prior art, manufacturing efficiency is lower, control quality cost higher, be unfavorable for product promotion.

Model utility content

It is simpler that the technical problems to be solved in the utility model is to provide a kind of mounting process, can improve production efficiency and product quality, and the integrated well submersible pump reducing costs.

In order to solve the problems of the technologies described above, the integrated well of the utility model by the technological scheme of submersible pump is: comprise pump case, pump head assembly, enter water seat, motor assembly and impeller sets and cable assembly, described motor assembly is arranged in pump case together with connecting up and down by transmission shaft with impeller sets, and and pump housing endophragm between gapped formation water flowing runner, pump head assembly and enter water seat and be arranged on respectively the upper and lower two ends of pump case motor assembly and impeller sets are fixed, described motor assembly comprises motor housing and stator is wherein installed, rotor, upper bearing bracket, step and bearing and mechanical sealing element and lower capping, on described pump head assembly, be provided with water outlet mouthpiece and cable assembly outlet and lifting ear, the water outlet mouthpiece of described pump head assembly is arranged on central position, cable assembly outlet and lifting ear are set respectively on its side, pump head assembly waist periphery has priming hole and is communicated with water outlet mouthpiece, corresponding water outlet mouthpiece central lower has airtight test hole and sealing screw thereof, on the circumference of pump head assembly lower end, there is seam and seal ring, be embedded in motor housing end, described upper bearing bracket is a cylinder cup, be arranged on the below of pump head assembly, cup inner chamber is capacitance cavity, also fluted on the external cylindrical surface of cup bottom, by motor housing inwall projection, limit position, the cup end, is extruded with bearing bore downwards bearing is installed, one end of rotor shaft is installed in this bearing, the bottom surface of capacitance cavity also has some air holes that penetrate and a wire guide, described motor assembly and impeller sets are together with their transmission shaft being connected up and down by a coupling.

As one of optimal technical scheme of the present utility model, be: described coupling is a cylindrical thread coupling, there is the penetrating threaded central aperture in two ends, rotor of output shaft axle end and the impeller sets input shaft end of described motor have respectively external thread section, this external thread section shoulder is seam position, on cylndrical surface, described external thread section end, there is an annular groove, scyewed joint is carried out by the rotor of output shaft axle end of threaded central aperture and motor and the external thread section of impeller sets input shaft end respectively in described coupling two ends, and be torqued-up to external thread section shoulder seam position, on the cylndrical surface of coupling, be also provided with two Cock screws, embed respectively in the rotor of output shaft axle end of motor and the annular groove of impeller sets input shaft end.

To one of optimal technical scheme of the present utility model further preferably: two Cock screws that arrange on described coupling cylndrical surface stagger with 180 degree symmetries on circumference.

One of optimal technical scheme of the present utility model is further improved and be: on the external cylindrical surface of described coupling, be also provided with the make progress plane of mutual symmetrical parallel of two footpaths, in the axle head plane of the rotor of output shaft axle end of described motor, be provided with a straight groove placed in the middle.

To one of optimal technical scheme of the present utility model further preferably: described coupling upper end surface is in mechanical sealing element below, and become the outer end positioning support bearing surface of mechanical sealing element.

As two of optimal technical scheme of the present utility model, be: the cable assembly outlet of described pump head assembly is divided into large lower thin two-stage on diameter, the local enlarged in higher level's entrance end that wherein diameter is large is counterbore form, the terminal of described cable assembly are a kind of connector assemblies, plug portion is mounted to cable assembly outlet higher level's bottom, top in cable assembly outlet higher level after socket part connects with plug portion, and by capping, be fixed on pump head assembly again behind the counterbore location by higher level's entrance end, cable assembly exports fills in thin diameter class hole that insulating resin seals and by the plug portion cementation of cable assembly.

As three of optimal technical scheme of the present utility model, be: the upper end of pump case has inner bending limit that edge, described pump head assembly upper-end surface is pushed down fixing by inner bending limit, and is provided with rubber seal on the surface of contact between them.

The technological scheme that the utility model is further improved is: the upper and lower two ends of described impeller sets are respectively arranged with collar and enter water-bed seat, described collar is separated water flowing runner in the corresponding position of coupling, collar two ends are gripped by upper end blower inlet casing in the lower capping of motor assembly and impeller sets respectively, it is described that to enter water-bed seat be a kind of conical seat, cone point lower be bottom, its center is provided with pump shaft bearing support and bearing is fixed wtih impeller sets transmission shaft, the cone end, is upper, its circumferential edges extends cylndrical surface and embeds pump housing endophragm, and allow this cylndrical surface inwall bear seam top to press impeller sets lower end blower inlet casing bottom margin, between cone extended cylndrical surface, the end and pump housing endophragm, there is seal ring, on conical surface, be provided with blasthole, from boring sharp pump shaft bearing support, to boring internal conical surface at the end, there are a plurality of ribs and lay with radiation form, it is described that to enter water seat be a kind of flat cylindrical seat, its top, cylndrical surface has screw thread, middle part is evenly equipped with water inlet, end has bending edges in 90 degree, enter water seat and with thread forms, be connected in the lower end of pump case, and the planar top that enters the interior bending edges of water seat upper end is pressed on the beneath edge of cone of water-bed seat.

The all technological schemes of above-mentioned the utility model are further improved and are: described, enter water seat lower end and be also installed with a water pump supporting base, described water pump supporting base top is divided into cylindric, part is enclosed within into water seat lower end, water pump supporting base bottom is divided into cone tubular, and to extend a cylindrical section be pin in its bottom.

As the further improved technological scheme of above-mentioned the utility model more preferably: described in enter water seat bottom surface there is conocave plane, in conocave plane, there is the L shaped curved button stretching out downwards, described water pump supporting base top divides cylinder inner wall to have the annular rim that support enters water seat bottom surface, the part circumferential edges of this annular rim is toward projection, convex portion embeds in described conocave plane, on the edge of this annular rim convex portion, also have breach, described L shaped curved button can enter the bottom surface self-locking that is displaced to annular rim convex portion after breach.

The beneficial effects of the utility model are: because the utility model structurally improves to some extent, first motor assembly connects by coupler structure together with connecting up and down by transmission shaft with impeller sets, make motor assembly and impeller sets separately assemble, and then connect together, impeller sets can easily guarantee that the gap cumulative error between impellers at different levels and blower inlet casing meets installation requirement when installing separately, when having reduced the difficulty of assembling, also can guarantee the coaxality between diaxon, improve manufacturing efficiency and reduced quality control cost; Next is that the water outlet mouthpiece of described pump head assembly is arranged on central position, meet well and take over convention with submersible pump, more be applicable to multiple use, also having the terminal of cable assembly is to make a kind of connector assembly, and plug portion is connected with cable, and socket part embeds on pump head assembly, inside fill that insulating resin seals and by the plug portion cementation of cable assembly, when product is installed, only need mounting receptacle, need to, with a volume cable, not make easier for installation and quick; In addition enter water seat bottom can also add one can freely fitted water pump supporting base, can raise into water position, reduce husky mud and directly enter in water pump, improve water pump working life; So it is simpler to the utlity model has mounting process, can improve production efficiency and product quality, the beneficial effect reducing costs.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, integrated well of the present utility model is described in more detail with submersible pump.

Fig. 1 is the sectional view of submersible pump for the integrated well of the utility model.

Fig. 2 is the pump head assembly top perspective view of submersible pump for the integrated well of the utility model.

Fig. 3 is pump head assembly one side isometric view of submersible pump for the integrated well of the utility model.

Fig. 4 is the pump head assembly opposite side parallax stereogram of submersible pump for the integrated well of the utility model.

Fig. 5 is top perspective view after the pump head assembly rotation of submersible pump for the integrated well of the utility model.

Fig. 6 is the pump head assembly face upwarding stereogram of submersible pump for the integrated well of the utility model.

Fig. 7 is the upper bearing bracket face upwarding stereogram of motor assembly in submersible pump for the integrated well of the utility model.

Fig. 8 is the upper bearing bracket top perspective view of motor assembly in submersible pump for the integrated well of the utility model.

Fig. 9 is the integrated well of the utility model pump head assembly mounting point broken section enlarged view in submersible pump.

Figure 10 is the integrated well of the utility model coupling mounting point broken section enlarged view in submersible pump.

Figure 11 is the integrated well of the utility model coupler structure sectional view in submersible pump.

Figure 12 is the plan view of Figure 11.

Figure 13 is the integrated well of the utility model coupling position motors assembly and impeller sets transmission shaft end part-structure figure in submersible pump.

Figure 14 is that the integrated well of the utility model is with entering water-bed seat top perspective view in submersible pump.

Figure 15 is that the integrated well of the utility model is with entering water-bed seat face upwarding stereogram in submersible pump.

Figure 16 is that the integrated well of the utility model is with entering water-bed seat mounting point broken section enlarged view in submersible pump.

Figure 17 be the integrated well of the utility model with water pump supporting base in submersible pump with enter water seat lower end coupling part partial sectional view.

Figure 18 is the partial sectional view after Figure 17 90-degree rotation.

Figure 19 is that the integrated well of the utility model is with entering water seat underpart partial sectional view in submersible pump.

Figure 20 is the integrated submersible pump Zhong Rushuizuo underpart partial perspective view for well of the utility model.

Figure 21 is the integrated well of the utility model water pump supporting base plan view in submersible pump.

Figure 22 is that the A-A of Figure 21 is to sectional view.

Figure 23 is that the B-B of Figure 21 is to sectional view.

Figure 24 is the integrated well of the utility model water pump supporting base stereogram in submersible pump.

Embodiment

Shown in Fig. 1～16, the integrated well of the utility model with the mode of execution of submersible pump is: comprise pump case 1, pump head assembly 2, enter water seat 3, motor assembly 4 and impeller sets 5 and cable assembly 6, described motor assembly 4 is arranged in pump case 1 together with connecting up and down by transmission shaft with impeller sets 5, and and pump case 1 inwall between gapped formation water flowing runner 7, pump head assembly 2 and enter water seat 3 and be arranged on respectively pump case and two ends fixed by motor assembly 4 and impeller sets 51 Shang Xia, described motor assembly 4 comprises motor housing 41 and stator 42 is wherein installed, rotor 43, upper bearing bracket 44, step 45 and bearing 46 and mechanical sealing element 47 and lower capping 48, on described pump head assembly 2, be provided with water outlet mouthpiece 21 and cable assembly outlet 22 and lifting ear 23, the water outlet mouthpiece 21 of described pump head assembly 2 is arranged on central position, cable assembly outlet 22 and lifting ear 23 are set respectively on its side, pump head assembly 2 waist peripheries have priming hole 24 and are communicated with water outlet mouthpiece 21, corresponding water outlet mouthpiece 21 central lower have airtight test hole 25 and sealing screw 26 thereof, on pump head assembly 2 lower end circumference, there is seam 27 and seal ring 28, be embedded in motor housing 41 ends, described upper bearing bracket 44 is cylinder cups, be arranged on the below of pump head assembly 2, cup inner chamber is capacitance cavity 441, on the external cylindrical surface of cup bottom also fluted 444, by motor housing 41 inwall projections, limit position, the cup end, is extruded with bearing bore 442 downwards bearing 46 is installed, one end of rotor 43 axles is installed in this bearing 46, the bottom surface of capacitance cavity 441 also has some air holes that penetrate 443 and a wire guide 445, air hole 443Shi UNICOM motor cavity, tightness after installing in conjunction with airtight test hole 25 testing of electric motors, wire guide 445 is for drawing motor power-supply wire, described motor assembly 4 and impeller sets 5 are together with their transmission shaft being connected up and down by a coupling 8.In the present embodiment, mechanical sealing element 47 adopts double mechanical seal part, the interior placement electric capacity 20 of capacitance cavity 441 while adopting single phase motor, and three phase electric machine just need not be placed electric capacity; Upper bearing bracket 44 embeds motor housing 41 when interior, and the groove 443 on the external cylindrical surface of cup bottom is aimed at motor housing 41 inwalls projections and imported, and limits position; During overall installation, first together with motor assembly 4 being installed with pump head assembly 2, impeller sets 5 can install in advance, can guarantee that easy adjustment the in gap between impellers at different levels and blower inlet casing reaches installation requirement, then after connecting together by coupling 8, be installed to together in pump case 1, with entering 3 sealings of water seat, can guarantee the coaxality between diaxon, improve manufacturing efficiency and reduced quality control cost.

By Fig. 1, shown in Figure 10～13, as one of preferred implementation of the present utility model, be: described coupling 8 is cylindrical thread coupling, there is the penetrating threaded central aperture in two ends 81, rotor 43 output shaft ends and impeller sets 5 input shaft ends of described motor have respectively external thread section 9, this external thread section shoulder is seam position 91, described external thread section has an annular groove 92 on 9 cylndrical surface, end, scyewed joint is carried out by threaded central aperture 81 and rotor 43 output shaft ends of motor and the external thread section 9 of impeller sets 5 input shaft ends respectively in described coupling 8 two ends, and be torqued-up to external thread section shoulder seam position 91, on the cylndrical surface of coupling 8, be also provided with two Cock screws 82, embed respectively in rotor 43 output shaft ends of motor and the annular groove 92 of impeller sets 5 input shaft ends.In the present embodiment, the penetrating threaded central aperture 81 in described coupling 8 two ends is disposable processing, the external thread section 9 of rotor 43 output shaft ends and impeller sets 5 input shaft ends is preferably equal in length, screw in the deep equality of coupling 8, and do not contradict each other in two ends, also guarantee to screw rear annular groove 92 under Cock screw 82 aligned positions, guarantee coupling 8 screw latter two Cock screw 82 can embedded rings connected in star 92 in, install so more convenient, annular groove 92 can be V-type groove or U-shaped groove, V-type groove preferably, the tail end of Cock screw 82 can corresponding tapered tip or cylindrical end, cone point preferably.

Shown in Figure 10～11, to one of preferred implementation of the present utility model further preferably: two Cock screws 82 that arrange on described coupling 8 cylndrical surface stagger with 180 degree symmetries on circumference.In the present embodiment, the external cylindrical surface upper-lower position of coupling 8 has screw hole 84, and stagger with 180 degree symmetries, the position of two Cock screws 82 is staggered fixing with 180 degree symmetries, can guarantee that the dynamically balanced while can not weaken the intensity of coupling 8 own on circumference.

Shown in Figure 12～13, one of preferred implementation of the present utility model is further improved and be: on the external cylindrical surface of described coupling 8, be also provided with the make progress plane 83 of mutual symmetrical parallel of two footpaths, in the axle head plane of rotor 43 output shaft ends of described motor, be provided with a straight groove placed in the middle 431.In the present embodiment, described plane 83 can be to extend on the external cylindrical surface of whole coupling 8, can be also local location, is mainly the fastening of auxiliary coupling 8; Straight groove 431 is when coupling 8 is torqued-up to rotor 43 output shaft end, and auxiliary fixed electrical machinery rotor, helps the fastening of coupling 8.

Shown in Fig. 1 and Figure 10, to one of optimal technical scheme of the present utility model further preferably: described coupling 8 upper end surfaces are in mechanical sealing element 47 belows, and become the outer end positioning support bearing surface of mechanical sealing element 47.In the present embodiment, coupling 8 upper-end surfaces are smooth, be subject to the external thread section shoulder seam position 91 of rotor 43 output shaft ends of motor to limit position, outer end positioning support bearing surface as mechanical sealing element 47, will shorten the length of coupling shaft and pump housing shell, and reduce the supporting element of mechanical sealing element, reduce cost of material.

As shown in Figure 9, as two of preferred implementation of the present utility model, be: the cable assembly outlet 22 of described pump head assembly 2 is divided into large lower thin two-stage on diameter, the local enlarged in higher level's entrance end that wherein diameter is large is counterbore form, the terminal of described cable assembly 6 are a kind of connector assemblies, plug portion 61 is mounted to the bottom that cable assembly exports 22 higher levels, after connecting with plug portion 61, socket part 62 exports 22 higher levels' top in cable assembly, and by capping 63, be fixed on pump head assembly 2 again behind the counterbore location by higher level's entrance end, in cable assembly outlet 22 thin diameter class holes, fill that insulating resin 64 seals and by the plug portion of cable assembly 6 61 cementations.In the present embodiment, that the terminal design of cable assembly 6 is become to connector assembly form, plug portion 61 is connected with cable, socket part 62 embeds on pump head assembly, inside fill that insulating resin 64 seals and by the plug portion of cable assembly 6 61 cementations, when product is installed, only need mounting receptacle, need to, with a volume cable, not make easier for installation and quick.

Shown in Fig. 1 and Fig. 9, as three of preferred implementation of the present utility model, be: the upper end of pump case 1 has inner bending limit 11, described pump head assembly 2 edges, upper-end surface are pushed down fixing by inner bending limit 11, and on the surface of contact between them, are provided with rubber seal 14.In the present embodiment, the position that rubber seal 14 is set, when can guarantee to reach sealing effect, can also guarantee to go directly and put in place when pump head assembly 2 is installed to pump case 1 end, and the retardance bringing while seal ring not being installed in side, improves installation efficiency.

By Fig. 1, shown in Figure 10 and Figure 14～16, the mode of execution that the utility model is further improved is: described impeller sets is respectively arranged with collar 10 and enters water-bed seat 12 in two ends Shang Xia 5, described collar 10 is separated water flowing runner 7 in the corresponding position of coupling 8, be the water that partly made progress on water flowing runner 7, lower part is anhydrous, promote hydraulic pressure, collar 10 two ends are gripped by upper end blower inlet casing in the lower capping 48 of motor assembly 4 and impeller sets 5 respectively, it is described that to enter water-bed seat 12 are a kind of conical seats, cone point lower be bottom, its center is provided with pump shaft bearing support 121 and bearing 122 is fixed wtih impeller sets 5 transmission shafts, the cone end, is upper, its circumferential edges extends cylndrical surface 123 and embeds pump case 1 inwall, and allow this cylndrical surface inwall bear seam top to press impeller sets 5 lower end blower inlet casing bottom margins, between cone extended cylndrical surface 123, the end and pump case 1 inwall, there is seal ring 124, on conical surface, be provided with blasthole 125, from boring sharp pump shaft bearing support 121, to the internal conical surface of cone between the end, there are a plurality of ribs and lay with radiation form, it is described that to enter water seat 3 are a kind of flat cylindrical seat, its top, cylndrical surface has screw thread 31, middle part is evenly equipped with water inlet 32, end has bending edges 33 in 90 degree, enter water seat 3 and with thread forms, be connected in the lower end of pump case 1, and the planar top that enters the interior bending edges 33 of water seat 3 upper ends is pressed on the beneath edge of cone of water-bed seat 12.In the present embodiment, collar 10 and enter the common positions of impeller sets 5 in shell 1 that limit of water-bed seat 12, and jointly fixing by the lower end cap 48 that enters water seat 3 and motor assembly 4; Described 121 pairs of impeller sets 5 transmission shafts of pump shaft bearing support that enter water-bed seat 12 play better axle center stabilization.

As shown in Figure 1, the all mode of executions of above-mentioned the utility model are further improved and are: described, enter water seat 3 lower ends and be also installed with a water pump supporting base 13, described water pump supporting base 13 tops are divided into cylindric, part is enclosed within into water seat 3 lower ends, water pump supporting base 13 bottoms are divided into cone tubular, and to extend a cylindrical section be pin in its bottom.In the present embodiment, water pump supporting base 13 is freely fitteds, can raise into water position, reduces husky mud and directly enters in water pump, improves water pump working life; Especially whole Submerged Motor Pumps is placed vertically while using under the bottom, more practical, any with the mode that is fixedly connected that enters water seat 3 lower ends for water pump supporting base 13, can Automatic-falling as long as can fix.

Shown in Figure 17～24, as the further improved mode of execution of above-mentioned the utility model more preferably: described in enter water seat 3 bottom surface there is conocave plane 34, in conocave plane, there is the L shaped curved button 35 stretching out downwards, described water pump supporting base 13 tops divide cylinder inner wall to have the annular rim 131 that support enters water seat 3 bottom surfaces, the part circumferential edges of this annular rim 131 is toward projection, convex portion embeds in described conocave plane 34, on the edge of these annular rim 131 convex portions, also there is breach 132, described L shaped curved button 35 can enter the bottom surface self-locking that is displaced to annular rim 131 convex portions after breach 132.In the present embodiment, be a kind of water pump supporting base 13 and the quick spinner that the enters water seat 3 lower ends mode that is connected and fixed, rapid-assembling/disassembling, easy to use.

The above be the utility model preferred embodiment, do not form the restriction to the utility model protection domain, so long as implement the purpose of this utility model with essentially identical means, all should belong to protection domain of the present utility model.

Claims

1. an integrated well submersible pump, comprise pump case (1), pump head assembly (2), enter water seat (3), motor assembly (4) and impeller sets (5) and cable assembly (6), described motor assembly (4) and impeller sets (5) are connected up and down and are arranged on together in pump case (1) by transmission shaft, and and pump case (1) inwall between gapped formation water flowing runner (7), pump head assembly (2) and enter water seat (3) and be arranged on respectively the upper and lower two ends of pump case (1) motor assembly (4) and impeller sets (5) are fixed, described motor assembly (4) comprises motor housing (41) and stator (42) is wherein installed, rotor (43), upper bearing bracket (44), step (45) and bearing (46) and mechanical sealing element (47) and lower capping (48), on described pump head assembly (2), be provided with water outlet mouthpiece (21) and cable assembly outlet (22) and lifting ear (23), it is characterized in that: the water outlet mouthpiece (21) of described pump head assembly (2) is arranged on central position, cable assembly outlet (22) and lifting ear (23) are set respectively on its side, pump head assembly (2) waist periphery has priming hole (24) and is communicated with water outlet mouthpiece (21), corresponding water outlet mouthpiece (21) central lower has airtight test hole (25) and sealing screw (26) thereof, on the circumference of pump head assembly (2) lower end, there is seam (27) and seal ring (28), be embedded in motor housing (41) end, described upper bearing bracket (44) is a cylinder cup, be arranged on the below of pump head assembly (2), cup inner chamber is capacitance cavity (441), on the external cylindrical surface of cup bottom also fluted (444), by motor housing (41) inwall projection, limit position, the cup end, is extruded with bearing bore (442) downwards bearing (46) is installed, one end of rotor (43) axle is installed in this bearing (46), the bottom surface of capacitance cavity (441) also has some air holes that penetrate (443) and a wire guide (445), described motor assembly (4) and impeller sets (5) are by a coupling (8), their transmission shaft to be connected together up and down.

2. integrated well submersible pump according to claim 1, it is characterized in that: described coupling (8) is a cylindrical thread coupling, there are the penetrating threaded central aperture in two ends (81), the rotor of described motor (43) output shaft end and impeller sets (5) input shaft end have respectively external thread section (9), this external thread section shoulder is seam position (91), described external thread section (9) has an annular groove (92) on cylndrical surface, end, scyewed joint is carried out by threaded central aperture (81) and rotor (43) output shaft end of motor and the external thread section (9) of impeller sets (5) input shaft end respectively in described coupling (8) two ends, and be torqued-up to external thread section shoulder seam position (91), on the cylndrical surface of coupling (8), be also provided with two Cock screws (82), embed respectively in rotor (43) output shaft end of motor and the annular groove (92) of impeller sets (5) input shaft end.

3. integrated well submersible pump according to claim 2, is characterized in that: two Cock screws (82) that arrange on described coupling (8) cylndrical surface stagger with 180 degree symmetries on circumference.

4. integrated well submersible pump according to claim 2, it is characterized in that: on the external cylindrical surface of described coupling (8), be also provided with the make progress plane (83) of mutual symmetrical parallel of two footpaths, in the axle head plane of the rotor of described motor (43) output shaft end, be provided with a straight groove placed in the middle (431).

5. integrated well submersible pump according to claim 2, is characterized in that: described coupling (8) upper end surface is in mechanical sealing element (47) below, and becomes the outer end positioning support bearing surface of mechanical sealing element (47).

6. integrated well submersible pump according to claim 1, it is characterized in that: the cable assembly outlet (22) of described pump head assembly (2) is divided into large lower thin two-stage on diameter, the local enlarged in higher level's entrance end that wherein diameter is large is counterbore form, the terminal of described cable assembly (6) are a kind of connector assemblies, plug portion is mounted to cable assembly outlet (22) higher level's bottom, top in cable assembly outlet (22) higher level after socket part connects with plug portion, and by capping, be fixed on pump head assembly (2) again behind the counterbore location by higher level's entrance end, in the thin diameter class of cable assembly outlet (22) hole, fill that insulating resin seals and by the plug portion cementation of cable assembly (6).

7. integrated well submersible pump according to claim 1, it is characterized in that: the upper end of pump case (1) has inner bending limit (11), described pump head assembly (2) edge, upper-end surface is pushed down fixing by inner bending limit (11), and on the surface of contact between them, is provided with rubber seal (14).

8. integrated well submersible pump according to claim 1, it is characterized in that: the upper and lower two ends of described impeller sets (5) are respectively arranged with collar (10) and enter water-bed seat (12), described collar (10) is separated water flowing runner (7) in the corresponding position of coupling (8), collar (10) two ends are gripped by upper end blower inlet casing in the lower capping (48) of motor assembly (4) and impeller sets (5) respectively, it is described that to enter water-bed seat (12) be a kind of conical seat, cone point lower be bottom, its center is provided with pump shaft bearing support (121) and bearing (122) is fixed wtih impeller sets (5) transmission shaft, the cone end, is upper, its circumferential edges extends cylndrical surface (123) and embeds pump case (1) inwall, and allow this cylndrical surface inwall bear seam top to press impeller sets (5) lower end blower inlet casing bottom margin, between cone extended cylndrical surface, the end (123) and pump case (1) inwall, there is seal ring (124), on conical surface, be provided with blasthole (125), from boring sharp pump shaft bearing support (121), to boring internal conical surface at the end, there are a plurality of ribs and lay with radiation form, it is described that to enter water seat (3) be a kind of flat cylindrical seat, its top, cylndrical surface has screw thread (31), middle part is evenly equipped with water inlet (32), end has bending edges (33) in 90 degree, enter water seat (3) and with thread forms, be connected in the lower end of pump case (1), and the planar top that enters the interior bending edges (33) of water seat (3) upper end is pressed on the beneath edge of cone of water-bed seat (12).

9. according to the integrated well submersible pump described in claim 1～8 any one, it is characterized in that: described, enter water seat (3) lower end and be also installed with a water pump supporting base (13), described water pump supporting base (13) top is divided into cylindric, part is enclosed within into water seat (3) lower end, water pump supporting base (13) bottom is divided into cone tubular, and to extend a cylindrical section be pin in its bottom.

10. integrated well submersible pump according to claim 9, it is characterized in that: described in enter water seat (3) bottom surface there is conocave plane (34), in conocave plane, there is the L shaped curved button (35) stretching out downwards, described water pump supporting base (13) top divides cylinder inner wall to have the annular rim (131) that support enters water seat (3) bottom surface, the part circumferential edges of this annular rim (131) is toward projection, convex portion embeds in described conocave plane (34), on the edge of this annular rim (131) convex portion, also there is breach (132), described L shaped curved button (35) can enter the bottom surface self-locking that is displaced to annular rim (131) convex portion after breach (132).