CN2793376Y - Vertical shielded multi-stage pipeline pump - Google Patents
Vertical shielded multi-stage pipeline pump Download PDFInfo
- Publication number
- CN2793376Y CN2793376Y CN 200520041736 CN200520041736U CN2793376Y CN 2793376 Y CN2793376 Y CN 2793376Y CN 200520041736 CN200520041736 CN 200520041736 CN 200520041736 U CN200520041736 U CN 200520041736U CN 2793376 Y CN2793376 Y CN 2793376Y
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- pump
- support
- end cap
- pump housing
- shaft
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Abstract
The utility model relates to a pipeline pump, particularly a vertical shielding multistage pipeline pump. The purpose of the utility model is to provide a vertical shielding multistage pipeline pump with low noise and high lifting ranges. The utility model comprises a shielding motor and a multistage pump, wherein a connecting subassembly is arranged between the shielding motor and the multistage pump. The connecting subassembly comprises an opposite clamping shaft coupling, a bracket closing cover and a bracket, wherein both ends of the bracket are respectively connected with the lower end of the shielding motor and the upper end of the multistage pump, a motor shaft of the shielding motor and a pump shaft of the multistage pump extend into the bracket, the opposite clamping shaft coupling is arranged in the bracket and the motor shaft and the pump shaft are connected by the opposite clamping shaft coupling. Openings of both symmetrical sides of the bracket are provided with the bracket closing cover. An outer circular water inlet pipe and an outer circular water outlet pipe are connected to the outer side of a pump body. The utility model has the advantages that the utility model has the functions of low noise and zero leakage of the shielding motor and high lifting ranges of the multistage pump; the utility model has convenient repair such as the scale removal of a motor and the check of the abradability of graphite bearings; the shielding motor has high universal degree and has convenient disassembling type structure.
Description
Technical field
The utility model relates to a kind of pipeline mounted pump, especially relates to a kind of shielding vertical multi-stage pipeline mounted pump.
Background technique
Present employed pipeline mounted pump is generally the centrifugal pump of one step single sucking, and this one step single sucking formula water pump is made of single impeller leaf single-stage, and the lift of its small-bore water pump generally all is lower than 50-80 rice.Can not reach the client in actual use to high-lift requirement.If adopt the water pump of major diameter impeller, its body vibration is bigger, and noise is higher, accelerates the abrasion speed of bearing, has shortened the working life of water pump.
Summary of the invention
The purpose of this utility model provides a kind of low noise, high-lift shielding vertical multi-stage pipeline mounted pump.
The technical solution of the utility model is as follows: shielding vertical multi-stage pipeline mounted pump, comprise shield electric machine 1 and multistage pump 2, shield electric machine 1 comprises screening housing 11, motor shaft 12, upper end cap 13, lower end cap 14, stator module and stator can 15 and rotor assembly and Rotor can 16, upper end cap 13 and lower end cap 14 are installed in the two ends of screening housing 11 respectively, the two ends of motor shaft 12 are provided with graphite bearing and axle sleeve 18, and this graphite bearing and axle sleeve 18 place respectively on the bearing position of upper end cap 13 and lower end cap 14; Multistage pump 2 comprises the pump housing 21, pump shaft 22 and impeller 23, is provided with stator 231 in the impeller 23; It is characterized in that: the described pump housing 21 comprises inlet segment 211, stage casing 212 and latter end 213, is provided with boss 214 in the both sides, bottom of the inlet segment 211 of the pump housing 21, is provided with water intake 215 and water outlet 216 in the boss 214; The stage casing 212 of the pump housing 21 and the outside of latter end 213 are provided with overcoat 24, and the two ends of this overcoat 24 are connected with the boss top of the inlet segment 211 of the support 33 and the pump housing 21; It is lateral opening 217 that latter end 213 sides of the pump housing 21 are provided with, and the upper side wall at the water outlet 216 of the pump housing 21 has an opening 210 between the overcoat 24 and the pump housing 21; Be provided with connector element 3 between described shield electric machine 1 and the multistage pump 2, described connector element 3 is made of wafer type shaft joint 31, support stifle 32 and support 33; The two ends of described support 33 are connected with the latter end 213 of the pump housing 21 of the lower end cap 14 of shield electric machine 1 and multistage pump 2 respectively, and the pump shaft 22 of the motor shaft 12 of shield electric machine 1 and multistage pump 2 stretches in the support 33; Wafer type shaft joint 31 places in the support 33, connects motor shaft 12 and pump shaft 22; Symmetrical both sides at support 33 are provided with opening 331, at these opening 331 places support stifle 32 are installed; Be respectively equipped with circulation water intake 131 and circulating outlet 333 in the side of upper end cap 13 and support 33; On the sidewall of the water intake 215 of the inlet segment 211 of the pump housing 21 and water outlet 216, be respectively equipped with circulating outlet 218 and circulation water intake 219; On the circulating outlet 218 of the circulation water intake 131 of upper end cap 13 and the pump housing 21, be connected to outer circulation intake pipe 25, on the circulation water intake 219 of the circulating outlet 333 of support 33 and the pump housing 21, be connected to outer circulation outlet pipe 26.
Be provided with the worn-out cover of screen gland 111 between worn-out casing 11 of screen and the upper end cap 13 and between worn-out casing 11 of screen and the lower end cap 14, the worn-out cover of this screen gland 111 is enclosed within respectively on upper end cap 13 and the lower end cap 14, is provided with seal ring 112 between the inboard of the outside of shielding worn-out cover gland 111 and the worn-out casing 11 of screen.
The lower end cap 14 of described shield electric machine 1 is to divide body structure with screening housing 11, fixes by screw.
Described support 33 is a cylindrical structural, is provided with the boss 332 that cooperates with support stifle 32 in the both sides of opening 331.
Described wafer type shaft joint 31 is divided into two parts symmetrical, on the motor shaft 12 and pump shaft 22 of this two-part clip in support 33, fixes with screw.
The stage casing 212 and the stator 231 of the described pump housing 21 are the structure of one.
The beneficial effects of the utility model because of shielding vertical multi-stage pipeline mounted pump is made of shield electric machine and multistage pump, make the function of its low noise that not only has shield electric machine, zero leakage possess the high-lift performance of multistage pump again.
Effectively reduced the noise and vibration of water pump, the graphite bearing wear intensity of water pump is reduced, prolonged working life, satisfied the needs of user Environmental Conditions, use occasion.
This pump has energy-conservation, and floor space is little, beautiful shape, and the advantage that installation conditions is superior can easyly be installed in the middle of arbitrary horizontal pipeline.
As the motor scale removal, aspects such as inspection graphite bearing wear intensity are very convenient in common maintenance for its motor part, and common shield electric machine then must be taken complete machine apart.The general degree height of the shield electric machine that is adopted, has the detachable type structure again, when changing the motor of same model as need, only need take the support stifle 32 on the support both sides of motor below apart, take and take out wafer type shaft joint 31 again apart, take the connecting screw of motor and support then apart and just can take off motor, reach and overhaul purpose easily.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model support;
Fig. 3 is the structural representation of the utility model shaft joint inboard.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
The utility model shielding vertical multi-stage pipeline mounted pump comprises shield electric machine 1 and multistage pump 2, connects by connector element 3 between shield electric machine 1 and the multistage pump 2; Referring to shown in Figure 1.Described shield electric machine 1 comprises shield electric machine shell 11, motor shaft 12, upper end cap 13, lower end cap 14, stator module and stator can 15, rotor assembly and Rotor can 16, following positioning disk 17, graphite bearing and axle sleeve 18 and last positioning disk 19.The two ends of motor shaft 12 are provided with graphite bearing and axle sleeve 18, and an end of motor shaft 12 stretches out, and the inboard of the graphite bearing at two ends and axle sleeve 18 is separately installed with positioning disk 19 and positioning disk 17 down.Rotor assembly and Rotor can 16 are installed on the motor shaft 12, stator module and stator can 15 are installed in the outside of rotor assembly and Rotor can 16, screening housing 11 is installed in the outside of stator module and stator can 15, its upper/lower terminal is separately fixed on upper end cap 13 and the lower end cap 14, can fix by screw, upper end cap 13 cooperates the location with the centre of lower end cap 14 with graphite bearing and axle sleeve 18.
Described multistage pump 2 comprises the pump housing 21, pump shaft 22, impeller 23, lower bearing and impeller and cap 27.The pump housing 21 is divided into inlet segment 211, stage casing 212 and latter end 213 3 parts, and this three part is fastened togather successively, is provided with boss 214 in the both sides, bottom of the inlet segment 211 of the pump housing 21, is respectively equipped with water intake 215 and water outlet 216 in the boss 214 of both sides; This water intake 215 and water outlet 216 are on same horizontal axis.The stage casing 212 of the pump housing 21 and the outside of latter end 213 are provided with overcoat 24, and overcoat 24 adopts stainless steel to make.Upper side wall at the water outlet 216 of the pump housing 21 has an opening 210 between the overcoat 24 and the pump housing 21.Latter end 213 sides of the pump housing 21 are provided with lateral opening 217.In each section of the described pump housing 21 impeller 23 is installed all, impeller 23 is a single suction formula structure, which is provided with stator 231.Pump shaft 22 is installed on the pump housing 21, and an end of pump shaft 22 stretches out; Impeller and cap 27 are installed in the lower end of impeller 23.For small-bore water pump 2, the structure that the stage casing 212 and the stator 231 of the pump housing 21 is made of one.
Described connector element 3 comprises wafer type shaft joint 31, support stifle 32 and support 33, and described support 33 is hollow cylindrical structural, its upper and lower boss that is respectively equipped with, and the both sides of symmetry are provided with square boss 332, are provided with opening 331 in the square boss 332.Upper end boss with key screw support 33 is connected with the lower end cap 14 of shield electric machine 1, four corner symmetries at the lower end boss of the boss of the inlet segment 211 of the pump housing 21 and support 33 are equipped with screw pull bar 28, and latter end 213, stage casing 212 and the inlet segment 211 of the pump housing 21 are tightened together.One end of the overcoat 24 of the pump housing 21 is fixed on the support 33 lower end boss, and the other end is fixed on the top of boss 214 of the inlet segment 211 of the pump housing 21.The extension of the extension of the motor shaft 12 of shield electric machine 1 and the pump shaft 22 of multistage pump 2 inserts in the support 33.Wafer type shaft joint 31 places in the support 33, and described wafer type shaft joint 31 is divided into two parts symmetrical, and its inboard is circular-arc, and this is circular-arc corresponding with extension motor shaft 12 and pump shaft 22 respectively; During installation, wafer type shaft joint 31 clips are fixed with screw in the bottom of motor shaft 12 and the top of pump shaft 22, and motor shaft 12 and pump shaft 22 are linked together.Support stifle 32 is installed on the square boss 332 of support 33, and the opening 331 of 32 pairs of supports 33 of support stifle is sealed.
The utility model further improves, and is to be the demountable structure of split between the lower end cap 14 of shield electric machine 1 and the screening housing 11.Be fixed together easy accessibility with key screw screening housing 11 and lower end cap 14.
Be provided with automatic control pressure vent 4 at the top of shield electric machine 1, when multistage pump 2 uses, as long as open inlet valve, air in the pump housing 21 and the shield electric machine 1 will be discharged from the automatic control pressure vent 4 at motor top automatically automatically, will close automatically at once after having arranged, can not make outside the medium efflux pump, can guarantee the normal operation of water pump.And in use enter if any air in the pipeline, it can both be automatically with its discharge, this function makes pump in use all need not the special messenger and often goes to open the valve exhaust, has greatly reduced normal user cost and manpower, strengthens the reliable and stability of electric pump operation.
Casing side at shield electric machine 1 is provided with terminal box 5, adopts waterproof, and blasting resistance structure can be used safely out of doors.
Be equipped with the worn-out cover of screen gland 111 between worn-out casing 11 of screen and the upper end cap 13 and between worn-out casing 11 of screen and the rear end cover 14, the worn-out cover of this screen gland 111 is enclosed within on the lower elongate shape cylinder of upper end cap 13 respectively and on the top elongated shape cylinder of lower end cap 14, is provided with seal ring 112 between the outside of the worn-out cover of screen gland 111 and the inboard of shielding worn-out casing 11.The worn-out motor of screen is fully sealed.
Be respectively equipped with circulation water intake 131 and circulating outlet 333 in the side of upper end cap 13 and support 33; On the sidewall of the water intake 215 of the inlet segment 211 of the pump housing 21 and water outlet 216, be respectively equipped with circulating outlet 218 and circulation water intake 219; On the circulating outlet 218 of the circulation water intake 131 of upper end cap 13 and the pump housing 21, be connected to outer circulation intake pipe 25, on the circulation water intake 219 of the circulating outlet 333 of support 33 and the pump housing 21, be connected to outer circulation outlet pipe 26.
During use, fed sheet of a media enters from the water intake 215 of the inlet segment 211 of the pump housing 21, can suck from the following end entrance of impeller 23, dish out from the centre then, medium is through the suction port of the stator 231 inflow upper level impellers 23 of impeller 23, and every increase one-level all by that analogy, until to stating the afterbody impeller, from the lateral opening outflow of latter end 213, in the stage casing 212 that flows into the pump housing 21 again and the space of overcoat 24, flow out through water outlet 216 downwards.
Sub-fraction medium wherein enters outer circulation intake pipe 25 through the circulating outlet 218 of the pump housing 21, circulation water intake 131 by the upper end cap 13 of shield electric machine 1 flows in the shield electric machines 1, through stator module and stator can 15 and rotor assembly and Rotor can 16, lower end cap 14 by shield electric machine 1 enters in the support 33 then, circulating outlet 333 through support 33 enters outer circulation outlet pipe 26, enters the outer circulation water intake 219 of the pump housing 21 at last.
This series shielding vertical multi-stage pipeline mounted pump, motor adopts shielding construction can guarantee not leak fully, can carry to human body and environment equipment liquid harmful and expensive easy leakage.Bearing on the motor can utilize carries liquid lubricated voluntarily, thus do not pollute conveying liquid, and removed the trouble of regular oiling from.Motor does not have cooling fan, relies on the medium of self carrying to come cooling motor, and the heat of motor is taken away with the conveying of medium, so operation noise and vibration are all very little.
During maintenance, shield the general degree height of shield electric machine that worn-out vertical multi-stage pipeline mounted pump is adopted, has the detachable type structure again, when changing the motor of same model or water pump as need, only need take the support stifle 32 on support 33 both sides on the connector element 3 apart, take and take out wafer type shaft joint 31 again apart, take motor 1 then apart and just can take off motor or water pump, reach and overhaul purpose easily with the connecting screw of support 33.
Claims (7)
1. shield the vertical multi-stage pipeline mounted pump, comprise shield electric machine (1) and multistage pump (2), shield electric machine (1) comprises screening housing (11), motor shaft (12), upper end cap (13), lower end cap (14), stator module and stator can (15) and rotor assembly and Rotor can (16), upper end cap (13) and lower end cap (14) are installed in the two ends of screening housing (11) respectively, the two ends of motor shaft (12) are provided with graphite bearing and axle sleeve (18), and this graphite bearing and axle sleeve (18) place respectively on the bearing position of upper end cap (13) and lower end cap (14); Multistage pump (2) comprises the pump housing (21), pump shaft (22) and impeller (23), is provided with stator (231) in the impeller (23); It is characterized in that: the described pump housing (21) comprises inlet segment (211), stage casing (212) and latter end (213), both sides, bottom at the inlet segment (211) of the pump housing (21) are provided with boss (214), are provided with water intake (215) and water outlet (216) in the boss (214); The stage casing (212) of the pump housing (21) and the outside of latter end (213) are provided with overcoat (24), and the two ends of this overcoat (24) are connected with the boss top of the inlet segment (211) of the support (33) and the pump housing (21); Latter end (213) side of the pump housing (21) is provided with lateral opening (217), and the upper side wall at the water outlet (216) of the pump housing (21) has an opening (210) between the overcoat (24) and the pump housing (21); Be provided with connector element (3) between described shield electric machine (1) and the multistage pump (2), described connector element (3) is made of wafer type shaft joint (31), support stifle (32) and support (33); The two ends of described support (33) are connected with the latter end (213) of the pump housing (21) of the lower end cap (14) of shield electric machine (1) and multistage pump (2) respectively, and the pump shaft (22) of the motor shaft (12) of shield electric machine (1) and multistage pump (2) stretches in the support (33); Wafer type shaft joint (31) places in the support (33), connects motor shaft (12) and pump shaft (22); Symmetrical both sides at support (33) are provided with out (331), open (331) at this and locate to be equipped with support stifle (32); Be respectively equipped with circulation water inlet (131) and cyclic water outlet (333) in the side of upper end cap (13) and support (33); On the sidewall of the water inlet (215) of the inlet segment (211) of the pump housing (21) and water outlet (216), be respectively equipped with circulating outlet (218) and circulation water intake (219); On the cyclic water outlet (218) of the circulation water intake (131) of upper end cap (13) and the pump housing (21), be connected to outer circulation intake pipe (25), on the circulation water intake (219) of the cyclic water outlet (333) of support (33) and the pump housing (21), be connected to outer circulation outlet pipe (26).
2. shielding vertical multi-stage pipeline mounted pump according to claim 1, it is characterized in that: be provided with the worn-out cover of screen gland (111) between screen worn-out casing (11) and the upper end cap (13) and between screen worn-out casing (11) and the lower end cap (14), this screen worn-out cover gland (111) is enclosed within respectively on upper end cap (13) and the lower end cap (14), is provided with seal ring (112) between the inboard of the outside of shielding worn-out cover gland (111) and the worn-out casing of screen (11).
3. shielding vertical multi-stage pipeline mounted pump according to claim 1 and 2 is characterized in that: the lower end cap of described shield electric machine and screening housing are fixed by screw for dividing body structure.
4. shielding vertical multi-stage pipeline mounted pump according to claim 3 is characterized in that: described support (33) is a cylindrical structural, is provided with the boss (332) that cooperates with support stifle (32) in the both sides of opening (331).
5. shielding vertical multi-stage pipeline mounted pump according to claim 3 is characterized in that: described wafer type shaft joint (31) is divided into two parts symmetrical, on the motor shaft (12) and pump shaft (22) of this two-part clip in support (33), fixes with screw.
6. shielding vertical multi-stage pipeline mounted pump according to claim 4 is characterized in that: described wafer type shaft joint (31) is divided into two parts symmetrical, on the motor shaft (12) and pump shaft (22) of this two-part clip in support (33), fixes with screw.
7. shielding vertical multi-stage pipeline mounted pump according to claim 3 is characterized in that: the stage casing (212) of the described pump housing (21) is the structure of one with stator (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041736 CN2793376Y (en) | 2005-05-20 | 2005-05-20 | Vertical shielded multi-stage pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041736 CN2793376Y (en) | 2005-05-20 | 2005-05-20 | Vertical shielded multi-stage pipeline pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793376Y true CN2793376Y (en) | 2006-07-05 |
Family
ID=36820521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520041736 Expired - Fee Related CN2793376Y (en) | 2005-05-20 | 2005-05-20 | Vertical shielded multi-stage pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793376Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840142A (en) * | 2012-09-26 | 2012-12-26 | 上海创科泵业制造有限公司 | Multistage shield pump placed on electric motor |
| CN103062126A (en) * | 2012-06-28 | 2013-04-24 | 福建省银象电器有限公司 | Pump unit structure of submersible pump for high head well |
| CN103104504A (en) * | 2011-11-10 | 2013-05-15 | 开利泵业(集团)有限公司 | Conveniently detached type low noise water cooling pump |
| CN105090051A (en) * | 2015-08-04 | 2015-11-25 | 芜湖环球汽车配件有限公司 | Shielded electric pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
-
2005
- 2005-05-20 CN CN 200520041736 patent/CN2793376Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104504A (en) * | 2011-11-10 | 2013-05-15 | 开利泵业(集团)有限公司 | Conveniently detached type low noise water cooling pump |
| CN103062126A (en) * | 2012-06-28 | 2013-04-24 | 福建省银象电器有限公司 | Pump unit structure of submersible pump for high head well |
| CN102840142A (en) * | 2012-09-26 | 2012-12-26 | 上海创科泵业制造有限公司 | Multistage shield pump placed on electric motor |
| CN105090051A (en) * | 2015-08-04 | 2015-11-25 | 芜湖环球汽车配件有限公司 | Shielded electric pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |