CN2795496Y

CN2795496Y - Axial flow submersible pump

Info

Publication number: CN2795496Y
Application number: CN 200520059122
Authority: CN
Inventors: 霍建英
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-31
Filing date: 2005-05-31
Publication date: 2006-07-12
Anticipated expiration: 2015-05-31

Abstract

The utility model relates to an axial flow submersible pump, which comprises a tubular shell body which can also perform a water guiding function, an electromotor, and impellers, wherein the electromotor is installed on the middle lower part inside the tubular shell body, and a passage which is used for discharging and conveying water flow is formed between the outer lateral wall of the electromotor and the inner lateral wall of the tubular shell body; the impellers are installed on a power output axis of the electromotor inside the tubular shell body; a water inlet is arranged on the position, corresponding to the impellers, on the bottom of the tubular shell body. The utility model adopts the pump which is composed of the tubular shell body, the impellers and the electromotor which are installed inside the tubular shell body, and the structure of the passage which is used for discharging and conveying the water flow is formed between the outer lateral wall of the electromotor and the inner lateral wall of the shell body, so that water can flow in directly from a middle axis of the impellers as the water flow being driven by the impellers when the utility model works and the water flow can be discharged and conveyed to the outside of the shell body by the passage which is formed between the outer lateral wall of the electromotor and the inner lateral wall of the shell body. Thus, no delivery lift coefficient exists in the processes from pumping the water to discharging the water of the utility model and the water flow can reach the maximum flow when power reduces resistance to the least.

Description

A kind of axial flow submersible pump

Technical field

The utility model relates to a kind of water pump, a kind of especially axial flow submersible pump.

Background technique

At present, some of building in various public places play facilities such as the artificial streamlet of cosmetic decoration effect, little river or fishing pond, and for the conserve water resource, the general using submersible pump recycles current repeatedly.Yet the submersible pump of existing various different structures generally all is made up of heavy-duty motor, and its formation is high-lift, water flow is little, the characteristics of big power consumption thereby make.As being applied to, existing these submersible pumps certainly will increase the weight of the regular maintenance and the operating cost of these communal facilitys widely in the communal facilitys such as artificial streamlet, river stream.Therefore, existing these submersible pumps are to be not suitable for being applied to that these need work long hours, low energy consumption, to need not lift, occasion that water flow is big.Chinese patent ZL01261608.7 discloses a kind of " handy type axial-flow pump ", and it mainly is made up of pump case, pump shaft, impeller and the connected element that is connected with motor or power source etc.The axial-flow pump of this structure is because in use, also need to be connected with motor by its connected element, not only very inconvenient in the use, but also make that the structure of its whole transmission part is too complicated, the surface friction drag of the generation of each transmission part is big, break down easily, and must connect more powerful motor and drive.Therefore, the axial-flow pump of this structure uses inconvenient, problems such as power consumption is big, complex structure, rate of fault height, maintenance and operating cost height to be not suitable for being applied to above-mentioned place equally because of existing.

Summary of the invention

The purpose of this utility model is to solve above-mentioned existing problems, and a kind of no lift, big, the low power consumption of water flow are provided, and axial flow submersible pump easy to use, simple in structure.

The technical solution of the utility model is achieved in that

A kind of axial flow submersible pump, but its characteristics are to comprise tubular shell, motor and the impeller of double as water guide function, the middle and lower part of wherein said electric machine in tubular shell, and be formed with the passage that is used for driven flow between the madial wall of its outer side wall and tubular shell, on the pto of the motor of described impeller unit in tubular shell, and in the bottom of tubular shell the position corresponding to impeller is provided with water intake.

The utility model assembly structure is simple to be safeguarded with being convenient in order to make, middle and lower part in the above-mentioned tubular shell is provided with the fixed connecting base that can be used for installing motor, this fixed connecting base is last, the lower end surface is respectively equipped with, the cylindrical body of cavity of resorption groove, and last, be provided with the priming hole that can be communicated with between it between the cavity of resorption groove, the end face that is positioned at its pto on the above-mentioned motor is provided with the motor cabinet that is used to install and fix motor, described motor passes through its motor base device in the epicoele groove of fixed connecting base, and be arranged between motor cabinet and the epicoele groove some bearing posts and be spun on the screw between them and vertically be installed on the fixed connecting base by propping up removably, above-mentioned impeller is arranged at each bearing post and surrounds in the space and with the pto of motor and be connected.

But the utility model is owing to adopt by the tubular shell of double as water guide function and the structure of installing motor in it, water pump that impeller is formed and being formed with the passage that is used for driven flow at the madial wall of the outer side wall of motor and housing, make the utility model when work, current are under impeller drives, directly from the axis water inlet of impeller, and from the direct dispatch of passage that forms between the madial wall of the outer side wall of motor and housing to housing.Make water pump not have any head coefficient from the process of the draining of drawing water, at power resistance is reduced to inferior limit, current reach peak rate of flow.Get thereby the utility model is selected for use at power of motor, can choose the long-pending motor of small-power, low power consumption, light face type can enough drives impeller work, and current can reach peak rate of flow.The utlity model has low power consumption, simple in structure, advantage that volume is little, easy to use.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is the assembly structure schematic representation of the utility model Fig. 1.

Fig. 3 is the sectional structure schematic representation of the annexation of the utility model motor, impeller and fixed connecting base.

Embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, a kind of axial flow submersible pump described in the utility model, but it comprises tubular shell 1, motor 2 and the impeller 3 of double as water guide function, wherein said motor 2 is installed on the middle and lower part in the tubular shell 1, and be formed with the passage that is used for driven flow between the madial wall of its outer side wall and tubular shell 1, described impeller 3 is installed on the pto of the motor 2 in the tubular shell 1, and the position corresponding to impeller 3 is provided with water intake 15 in the bottom of tubular shell 1.Make the utility model in when work, current under impeller drives, directly from the axis water inlet of impeller, and from the direct dispatch of passage that forms between the madial wall of the outer side wall of motor and housing to housing.Make water pump not have any head coefficient from the process of the draining of drawing water, at power resistance is reduced to inferior limit, current reach peak rate of flow.Get thereby the utility model is selected for use at power of motor, can choose the long-pending motor of small-power, low power consumption, light face type can enough drives impeller work, and current can reach peak rate of flow.The utility model assembly structure is simple to be safeguarded with being convenient in order to make, as shown in Figures 2 and 3, middle and lower part in the above-mentioned tubular shell 1 is provided with the fixed connecting base 4 that can be used for installing motor 2, this fixed connecting base 4 is last, the lower end surface is respectively equipped with, cavity of

resorption groove

41,42 cylindrical body, and last, cavity of resorption groove 41, be provided with the priming hole 43 that can be communicated with between it between 42, the end face that is positioned at its pto on the above-mentioned motor 2 is provided with the motor cabinet 21 that is used to install and fix motor 2, described motor 2 is installed in the epicoele groove 41 of fixed connecting base 4 by its motor cabinet 21, and be arranged between motor cabinet 21 and the epicoele groove 41 some bearing posts 5 and be spun on the screw between them and vertically be installed on the fixed connecting base 4 by propping up removably, above-mentioned impeller 3 is arranged at each bearing post 5 and surrounds in the space and with the pto of motor 2 and be connected.In order to help forming the passage of draining, as shown in Figures 1 and 2, above-mentioned tubular shell 1 is for slightly being the cylindrical housings of ladder cone-shaped.Simultaneously, be again further to simplify its structure, above-mentioned tubular shell 1 is made up of last pump case 11 and base shell 12, the wherein said lower end mouth that goes up pump case 11 is provided with the port one 11 that can embed for the upper end of fixed connecting base 4, described base shell 12 is provided with can be for the annular groove 121 of the lower end setting-in of fixed connecting base 4, and described pump case 11 and base shell 12 upper and lower end by fixed connecting base 4 of going up is respectively in setting-in inbound port 111 and the annular groove 121 and mutual the butt joint is connected.Be that rubbish stops up priming hole 43 in the anti-sealing, the bottom of above-mentioned base shell 12 is provided with the filtering screen 13 of inversed taper platform shape, and the inner chamber that is arranged in filtering screen 13 also is provided with filter member 6.Wherein filter member 6 can be cellular cotton piece.For the ease of will discharging the current vector place of housing, but above-mentioned top of going up pump case 11 also is provided with suit water guide elbow 7 thereon.For making above-mentioned impeller have better pumpage, and can self produce resistance again and reduce to minimum, above-mentioned impeller 3 is made up of upper and

lower plectane

31,32 and some arc ater guide pieces 33 of being connected between it, and wherein descends the middle part of plectane 32 to be provided with the blasthole 321 that is connected with each arc ater guide piece 33.

Claims

1, a kind of axial flow submersible pump, but it is characterized in that comprising tubular shell (1), motor (2) and the impeller (3) of double as water guide function, wherein said motor (2) is installed on the middle and lower part in the tubular shell (1), and be formed with the passage that is used for driven flow between the madial wall of its outer side wall and tubular shell (1), described impeller (3) is installed on the pto of the motor (2) in the tubular shell (1), and the position corresponding to impeller (3) is provided with water intake (15) in the bottom of tubular shell (1).

2, according to the described axial flow submersible pump of claim 1, it is characterized in that the middle and lower part in the above-mentioned tubular shell (1) is provided with the fixed connecting base (4) that can be used for installing motor (2), this fixed connecting base (4) is last, the lower end surface is respectively equipped with, cavity of resorption groove (41,42) cylindrical body, and last, cavity of resorption groove (41,42) be provided with the priming hole (43) that can be communicated with between it between, the end face that is positioned at its pto on the above-mentioned motor (2) is provided with the motor cabinet (21) that is used to install and fix motor (2), described motor (2) is installed in the epicoele groove (41) of fixed connecting base (4) by its motor cabinet (21), and be arranged between motor cabinet (21) and the epicoele groove (41) some bearing posts (5) and be spun on the screw between them and vertically be installed on the fixed connecting base (4) by propping up removably, above-mentioned impeller (3) is arranged at each bearing post (5) and surrounds in the space and with the pto of motor (2) and be connected.

3, according to claim 1 or 2 described axial flow submersible pumps, it is characterized in that above-mentioned tubular shell (1) is for slightly being the cylindrical housings of ladder cone-shaped, it is made up of last pump case (11) and base shell (12), the wherein said lower end mouth that goes up pump case (11) is provided with the port (111) of the upper end embedding that can supply fixed connecting base (4), described base shell (12) is provided with the annular groove (121) of the lower end setting-in that can supply fixed connecting base (4), and described upward pump case (11) and base shell (12) are by on the fixed connecting base (4), the lower end respectively in setting-in inbound port (111) and the annular groove (121) and mutually butt joint connect.

4,, it is characterized in that the bottom of above-mentioned base shell (12) is provided with the filtering screen (13) of inversed taper platform shape, and the inner chamber that is arranged in filtering screen (13) also is provided with filter member (6) according to the described axial flow submersible pump of claim 3.

5, according to the described axial flow submersible pump of claim 3, it is characterized in that above-mentioned go up pump case (11) but the top also be provided with suit water guide elbow (7) thereon.

6, according to claim 1 or 2 described axial flow submersible pumps, it is characterized in that above-mentioned impeller (3) is made up of upper and lower plectane (31,32) and some arc ater guide pieces (33) of being connected between it, and the middle part of (32) is provided with the blasthole (321) that is connected with each arc ater guide piece (33) wherein to descend plectane.