CN205001051U - Hydroecium and motor system keep apart split type electric water pump entirely - Google Patents

Hydroecium and motor system keep apart split type electric water pump entirely Download PDF

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Publication number
CN205001051U
CN205001051U CN201520725119.5U CN201520725119U CN205001051U CN 205001051 U CN205001051 U CN 205001051U CN 201520725119 U CN201520725119 U CN 201520725119U CN 205001051 U CN205001051 U CN 205001051U
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China
Prior art keywords
water pump
motor
assembly
electric
separation sleeve
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CN201520725119.5U
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Chinese (zh)
Inventor
周相青
封帆
汤健华
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SHANGHAI FEILONG NEW ENERGY AUTO PARTS Co.,Ltd.
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XIXIA AUTOMOBILE WATER PUMP CO Ltd HENAN PROV
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Priority to CN201520725119.5U priority Critical patent/CN205001051U/en
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Abstract

The utility model relates to a hydroecium and motor system keep apart split type electric water pump entirely, lid, controller assembly and motor assembly wherein, still include separation sleeve, impeller assembly and water pump cover behind fixed bolster, plug connector, motor, the separation sleeve includes tubbiness portion, and the bottom surface center of tubbiness portion forms cylindrical bellying, and cylindrical bellying center is provided with the rotation axis, and the outside extension in last border of tubbiness portion forms supporting part, ring shape bellying and trapezoidal portion in proper order, is provided with the exhalant canal on the ring shape bellying, and the impeller assembly passes through rotation axis and separation sleeve installation together, and inside the tubbiness portion of separation sleeve stretched into the stator assembly, motor casing, separation sleeve and water pump cover were installed and be in the same place. The utility model discloses an electric water pump is through setting up the exhalant canal on the separation sleeve to optimize the structure of exhalant canal, effectual noise when having reduced the electric water pump operation improves electric water pump's life.

Description

A kind of hydroecium and electric system isolate split type electric water pump entirely
Technical field
The utility model relates to a kind of hydroecium and electric system isolates split type electric water pump entirely, belongs to electric water pump field.
Background technique
Auto pump is that can be divided into mechanical water pump and electric water pump by driving mode, electric water pump has brush electric water pump and brushless electric water pump by whether having carbon brush can be divided into again for carrying the device of engine coolant on automobile.Machinery water pump must lean on engine-driving, pump rotary speed becomes fixed ratio with engine speed, can not meet the cooling requirements under low speed high load working condition, and when engine stop works, the cooling requirement that new-energy automobile master drives the parts such as motor can not be met, and the water supply requirement on caravan; Have that brush electric water pump anti-electromagnetic interference capability is poor and carbon brush easily produces electrical spark, disturb other electronic devices, simultaneously because of the effect of attrition of the carbon brush that commutates, have the life-span of brush electric water pump shorter.Be not suitable for new-energy automobile.Therefore, brush DC electronic water pump will more and more be applied on high-end automobile, new-energy automobile and caravan.
The magnet of brushless direct-current magnetic force driving pump and impeller are injection molded into the rotor that one forms motor, axle sleeve is had in the middle of rotor, fixing in the housing by high-performance ceramic axle, the stator of motor and circuit board section adopt epoxy resin glue embedding in the pump housing, there is manufacturing technology difficulty large, cost of production is high, not easily reprocesses, defect that original water pump exists dielectric leakage, and waterproofing effect is bad, affect the use of motor.Occur in existing motor and water pump that some are by rotor and the separated motor and water pump of impeller, as notification number CN204591691U, name is called brush DC motorcar electric water pump, by arranging separation sleeve, there is in the middle of separation sleeve the cavity for holding rotor, cavity inside bottom center has the boss of fixing pump shaft, pump shaft one end is inserted in boss, and can not rotate and axial float, the insertion of the pump shaft the other end is arranged in the middle of the lining of spindle nose support of pump head, rotor and impeller is made to be segmented in different spaces, effectively prevent water pump from there is the problem of dielectric leakage, but there is complex structure, the problem of dismounting inconvenience.The water outlet of above-mentioned brush DC motorcar electric water pump faces impeller in addition, and current are thrown away by impeller acceleration High Rotation Speed, and pump noise is large, operation is steady, and the electric water pump life-span is low.
Model utility content
The utility model provides a kind of hydroecium and electric system isolates split type electric water pump entirely, solve existing electric water pump manufacturing technology difficulty large, cost of production is high, not easily reprocess, noise is large, runs not steady, there is dielectric leakage, waterproofing effect is bad, affects the problems such as the working life of motor, and the problem of existing electric water pump axial float.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of hydroecium and electric system isolate split type electric water pump entirely, comprise fixed support, plug connector, motor rear cover, control assembly and motor assembly, described motor assembly electric machine casing and stator assembly, fixed support and plug connector are arranged on the exterior edge face of motor rear cover respectively, control assembly is arranged on the interior edge face of motor rear cover, motor rear cover and motor assembly are installed together, wherein, also comprise separation sleeve, impeller assembly and water pump cover, described separation sleeve comprises barrel portion, the bottom center of barrel portion forms cylindrical boss, cylindrical boss center is provided with running shaft, the upper edge of barrel portion stretches out and forms supporting portion successively, ring lug boss and trapezoidal portion, ring lug boss is provided with exhalant canal, impeller assembly is installed together by running shaft and separation sleeve, the barrel portion of separation sleeve stretches into stator assembly inside, electric machine casing, separation sleeve and water pump cover are installed together.
Further, a kind of preferred version of the present utility model is: described exhalant canal comprises the U-groove bevel that spirality becomes large gradually, arranges overflow breach in the place that the entrance point of exhalant canal is crossing with outlet end, and the outlet end of exhalant canal is provided with shielding plate.Exhalant canal is set to the U-groove bevel that spirality becomes large gradually, the current accelerated through impeller can be made in exhalant canal progressively to reduce flow velocity, not only play the effect reducing noise, and the water flow stationary of water tank is got back to by water outlet, large disturbance can not be caused to water tank water body, make the stationarity of water pump operation, effectively raise the life-span of water pump.Arrange overflow breach in the place that the entrance point of exhalant canal is crossing with outlet end, the outlet end of exhalant canal is provided with shielding plate, can make water flow stationary further, water pump operation is steady, reduces noise, improves working life.
Further, a kind of preferred version of the present utility model is: described impeller assembly comprises rotor and impeller, and rotor is molding and forming together with impeller.
Further, a kind of preferred version of the present utility model is: be provided with adjustment pad between described rotor and ring lug boss.
Further, a kind of preferred version of the present utility model is: be provided with silica gel pad and seal washer between described motor rear cover and control assembly.
Further, a kind of preferred version of the present utility model is: the outer installment of described electric machine casing has rubber standoff, and rubber standoff is by endoporus and electric machine casing cylindrical interference fit.
Further, a kind of preferred version of the present utility model is: described running shaft is installed together by end face bearing and water pump cover through impeller assembly.
The beneficial effects of the utility model:
Electric water pump structure of the present utility model is simple; by separation sleeve, motor assembly and impeller assembly are separated; make water cannot enter motor assembly and control assembly and play the effect of protection electric system; simultaneously; take the mode that motor assembly is separated with impeller assembly by separation sleeve; production technology is simple, and low cost of manufacture, water pump has during fault easily to be reprocessed.
Electric water pump of the present utility model by setting out water channel on separation sleeve, and the structure of optimization water channel, effectively reduce noise time electric water pump runs, improve the working life of electric water pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the explosive view of the electric water pump of embodiment 1;
Fig. 2 is the structural representation of the electric water pump of embodiment 1;
Fig. 3 is the plan view of the separation sleeve of embodiment 1;
Fig. 4 is the plan view of the separation sleeve of embodiment 1;
Fig. 5 is the structural representation of the impeller assembly of embodiment 1;
Fig. 6 is the structural representation of the motor assembly of embodiment 1;
In figure, 1 is fixed support, 2 is plug connector, 3 is motor rear cover, 4 is silica gel pad, 5 is seal washer, 6 is control assembly, 7 is motor assembly, 7-1 is electric machine casing, 7-2 is stator iron core, 7-3 is stator skeleton, 7-4 is enameled cable, 7-5 is PCB, 7-6 is three phase terminals, 8 is rubber standoff, 9 is lining, 10 is O type circle, 11 is separation sleeve, 11-1 is trapezoidal portion, 11-2 is ring lug boss, 11-3 is supporting portion, 11-4 is cylindrical boss, 11-5 is running shaft, 11-6 is barrel portion, 11-7 is exhalant canal, 12 is adjustment pad, 13 is impeller assembly, 13-1 is impeller, 13-2 is rotor, 14 is end face bearing, 15 is seal ring, 16 is water pump cover, 17 is blanking cover.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
embodiment 1
As Figure 1-5, a kind of hydroecium and electric system isolate split type electric water pump entirely, comprise fixed support 1, plug connector 2, motor rear cover 3, control assembly 6 and motor assembly 7.Fixed support 1 and plug connector 2 are arranged on the exterior edge face of motor rear cover 3 respectively by bolt.
Control assembly 6 in the utility model: printed wiring provides the effect of electrical connection, holding electrical components and parts between components and parts: be control the direction of motor according to setting by the active of intergrated circuit, speed, angle, response time carries out work, make motor application scope more extensive, the advantages such as delivery efficiency is higher, and noise is less.Control assembly 6 is arranged on the interior edge face of motor rear cover 3.
Motor assembly 7 in the utility model comprises three phase terminal 7-6 of its live action, the PCB7-5 fixing three phase terminals, stator assembly and electric machine casing 7-1.
Stator assembly comprises: enameled cable 7-4: by current induced magnetic field after winding, rotor is rotated; Stator skeleton 7-3: fixed stator iron core, enameled cable and PCB; Stator iron core 7-2: magnetic conduction, collects magnetic flux, and the magnetic line of force is not dispersed; Electric machine casing 7-1: the parts such as fixed stator skeleton, stator iron core, water pump cover and motor rear cover, make it form a complete body.
Motor rear cover 3 and electric machine casing 7-1 are installed together by bolt.
The electric water pump of the present embodiment also comprises separation sleeve 11, impeller assembly 13 and water pump cover 16, separation sleeve 11 comprises barrel portion 11-6, the bottom center of barrel portion 11-6 forms cylindrical boss 11-4, cylindrical boss 11-4 center is provided with running shaft 11-5, the upper edge of barrel portion 11-6 stretches out and forms supporting portion 11-3 successively, ring lug boss 11-2 and trapezoidal portion 11-1, ring lug boss 11-2 is provided with exhalant canal 11-7, impeller assembly 13 is installed together by running shaft 11-5 and separation sleeve 11, the barrel portion 11-6 of separation sleeve 11 stretches into stator assembly inside, electric machine casing 7-2, separation sleeve 11 and water pump cover 16 are installed together.
Trapezoidal portion 11-1 is corresponding with water pump cover 16, and separation sleeve 11 plays the effect of sealing gasket, makes seal action better.Also can distinguish seal ring in the top and bottom of trapezoidal portion 11-1, seal ring above prevents the leaked water in water pump cover 16 inner chamber, and seal ring below prevents extraneous water to enter the cavity of electric system.
In the present embodiment, water pump cover 16 is provided with the corresponding groove of exhalant canal 11-7, constitutes flow channel.In this model utility, each constituent element of separation sleeve 11 passes through injection moulding integrated molding.
Motor assembly 7 and impeller assembly 13 are separated by separation sleeve 11 by electric water pump of the present utility model, water effectively can be avoided to enter motor assembly 7, and then affect work and the life-span of motor.
Exhalant canal 11-7 Main Function in the utility model makes current throw away rear increase flow distance from impeller, reduce flow rate of water flow, what make water flow stationary gets back to water tank, does not affect the state of Water in Water Tanks stream, its shape can arrange different shapes according to actual needs, as circular, square etc.As shown in Figures 3 and 4, a preferred version: exhalant canal 11-7 comprises the U-groove bevel that spirality becomes large gradually, arranges overflow breach in the place that the entrance point of exhalant canal 11-7 is crossing with outlet end, and the outlet end of exhalant canal 11-7 is provided with shielding plate.Spirality becomes large U-groove bevel gradually can make current runner in flow process become large step by step, and flow velocity slows down step by step, makes the flow rate of water flow of water outlet drop to suitable speed, can not disturbance water tank water body state, and then reduces noise, improves the water pump life-span.Overflow breach is set, current can be made to keep a balance at water outlet and water intake, improve the stability of water outlet current further.Arrange shielding plate can effectively the current of water outlet be blocked, avoid current to enter trapezoidal portion 11-1, affect the sealing of water pump.
Impeller assembly 13 in the utility model comprises rotor 13-2 and impeller, rotor 13-2 molding and forming together with impeller 13-1.Rotor 13-2 molding and forming together with impeller 13-1 effectively can improve the sealing between them, and then improves working life.
The mounting type of rotor 13-2 and impeller 13-1 also can select alternate manner, as being bolted on together, but will note the problem of sealing.
Motor rear cover 3 in the utility model and be provided with silica gel pad 4 and seal washer 5 between control assembly 6.Be installed together by bolt between motor rear cover 3 and control assembly 6, should be noted that sealing problem, water can not be made to enter control assembly 6.Adopt the structure of silica gel pad 4 and seal washer 5 to enter by effective anti-sealing, and they adopt bolt to be installed together, convenient to disassembly.And adopt silica gel pad to be conducive to the heat radiation of control assembly, improve the life-span of control assembly 6.
The outer installment of the electric machine casing 7-2 in the utility model has rubber standoff 8, and rubber standoff 8 is by endoporus and electric machine casing 7-2 cylindrical interference fit.Lining 9 is equipped with at the endoporus of rubber standoff 8.Two linings 9 are assemblied in the endoporus of rubber standoff 8 correspondence, and rubber standoff 8 is enclosed within electric machine casing cylindrical, and rubber standoff plays slow use of bestirring oneself, and increase lining and can increase screw torque, prevent from loosening.Separation sleeve 11 and electric machine casing 16 are installed together by bolt.
Between electric machine casing 7-1 and separation sleeve 11, be provided with O type circle 10, play seal action, anti-sealing enters electric system.
Rotor 13-2 in the utility model and be provided with between ring lug boss 11-2 and adjust pad 12.Conveniently can adjust the mounting point of rotor 13-2 and cylindrical boss 11-4 by arranging adjustment pad 12, rotor 13-2 is installed in place.
Running shaft 11-5 in the utility model is installed together by end face bearing 14 and water pump cover 16 through impeller assembly 13, and separation sleeve 11 and water pump cover 16 are provided with seal ring 15, prevents water from flowing out water pump cover.
The outlet pipe of the water pump in the utility model and intake pipe are provided with blanking cover 17, prevent dust and foreign matter from entering water pump, protection water pump.
Running of the present utility model:
Switch on power, control assembly 6 drives stator 7-3 to produce magnetic field, thus causes rotor 13-2 to rotate, and impeller 13-1 rotates with rotor 13-2, and the water at impeller 13-1 center is thrown away by surrounding, and pumps from water outlet with certain pressure.Simultaneously due to impeller 13-1 center pressure drop, water will be pumped to from water intake, thus on vehicle, realize circulating of water.
Electric water pump of the present utility model was by the use of nearly 5 years, and compared with other electric water pump on market, operate steadily, noise is low, and the life-span on average improves more than 20%.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (7)

1. a hydroecium and electric system isolate split type electric water pump entirely, comprise fixed support, plug connector, motor rear cover, control assembly and motor assembly, described motor assembly comprises electric machine casing and stator assembly, stator is fixed on electric machine casing, fixed support and plug connector are arranged on the exterior edge face of motor rear cover respectively, control assembly is arranged on the interior edge face of motor rear cover, motor rear cover and motor assembly are installed together, it is characterized in that: also comprise separation sleeve, impeller assembly and water pump cover, described separation sleeve comprises barrel portion, the bottom center of barrel portion forms cylindrical boss, cylindrical boss center is provided with running shaft, the upper edge of barrel portion stretches out and forms supporting portion successively, ring lug boss and trapezoidal portion, ring lug boss is provided with exhalant canal, impeller assembly is installed together by running shaft and separation sleeve, the barrel portion of separation sleeve stretches into stator assembly inside, electric machine casing, separation sleeve and water pump cover are installed together.
2. a kind of hydroecium according to claim 1 and electric system isolate split type electric water pump entirely, it is characterized in that: described exhalant canal comprises the U-groove bevel that spirality becomes large gradually, overflow breach is set in the place that the entrance point of exhalant canal is crossing with outlet end, the outlet end of exhalant canal is provided with shielding plate.
3. a kind of hydroecium according to claim 1 and 2 and electric system isolate split type electric water pump entirely, it is characterized in that: described impeller assembly comprises rotor and blade, and rotor is molding and forming together with blade.
4. a kind of hydroecium according to claim 3 and electric system isolate split type electric water pump entirely, it is characterized in that: be provided with adjustment pad between described rotor and ring lug boss.
5. a kind of hydroecium according to claim 1 and 2 and electric system isolate split type electric water pump entirely, it is characterized in that: be provided with silica gel pad and seal washer between described motor rear cover and control assembly.
6. a kind of hydroecium according to claim 1 and 2 and electric system isolate split type electric water pump entirely, it is characterized in that: the outer installment of described electric machine casing has rubber standoff, rubber standoff is linked together by endoporus and electric machine casing cylindrical interference fit.
7. a kind of hydroecium according to claim 1 and 2 and electric system isolate split type electric water pump entirely, it is characterized in that: described running shaft is installed together by end face bearing and water pump cover through impeller assembly.
CN201520725119.5U 2015-09-18 2015-09-18 Hydroecium and motor system keep apart split type electric water pump entirely Active CN205001051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520725119.5U CN205001051U (en) 2015-09-18 2015-09-18 Hydroecium and motor system keep apart split type electric water pump entirely

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520725119.5U CN205001051U (en) 2015-09-18 2015-09-18 Hydroecium and motor system keep apart split type electric water pump entirely

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424555A (en) * 2017-08-28 2019-03-05 马勒国际有限公司 Fluid pump and method for assembling fluid pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424555A (en) * 2017-08-28 2019-03-05 马勒国际有限公司 Fluid pump and method for assembling fluid pump

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210423

Address after: 201114 room 105, building 3, No.1 Sanyou Road, Minhang District, Shanghai

Patentee after: SHANGHAI FEILONG NEW ENERGY AUTO PARTS Co.,Ltd.

Address before: 474500 No. 299, south section of Industrial Road, Xixia County, Henan, Nanyang

Patentee before: Henan Province Xixia Automobile Water Pump Co.,Ltd.