CN210799410U

CN210799410U - Submersible electric pump

Info

Publication number: CN210799410U
Application number: CN201921843261.4U
Authority: CN
Inventors: 夏约宁; 陈晓英
Original assignee: Shanghai Xinyun Environmental Protection Technology Co ltd
Current assignee: Shanghai Xinyun Environmental Protection Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-19
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a submersible electric pump, which comprises a pump body, wherein the upper end surface of the pump body is connected with a pump head, the outer side surface of the bottom end of the pump body is connected with a power line, the inner side surface of the bottom end of the pump body is provided with a motor, the upper end of the motor is connected with a rotating shaft, the rotating shaft is provided with turbine blades, and the upper end surface of the motor is provided with a first fixing plate; the utility model discloses contain lubricating oil in the oil box that submerged motor pump set up, can drive the surface of rotation axis when the rotation axis rotation in-process is increased and produce the rotation resistance at the motor and spray lubricating oil, play the lubrication action to the rotation axis and reduce the rotation resistance, be provided with the buckle in the junction of the pump head and the pump body, and half round fixture block and last half round fixture block mutually support down and can take off the buckle fast, and then be convenient for quick installation or dismantlement pump head on the pump body, and can conveniently change the turbine fan blade of different specifications when taking off the pump head.

Description

Submersible electric pump

Technical Field

The utility model belongs to the charge pump field specifically is a submerged motor pump.

Background

The submersible electric pump is a water pump with a pump body impeller and a motor for driving the impeller, which are submerged in water to work, and has two types of deep well and working surface, the submersible electric pump for the deep well supplies power to the motor through a cable extending into the well, a transmission long shaft is omitted, so that the submersible electric pump has compact structure, light weight and convenient installation, use and transfer, has the tendency of replacing the long shaft deep well pump in a power supply area, but is not suitable for a water well with large sand content and a power supply-free area;

the existing submersible electric pump has certain defects when in use, the motor drives the rotating shaft to have large rotating resistance and lacks lubricant, the electric pump lacks an alarm device when water leaks or needs manual power cut-off even if the alarm device exists, the electric pump is easy to cause faults, the pump head and the pump body are difficult to install and detach, and a solution is provided for solving the defects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a submerged motor pump mainly solves following problem:

1) the oil box is arranged, the oil box contains lubricating oil, the lubricating oil can be sprayed to the surface of the rotating shaft when the rotating resistance is generated due to the increase of the friction force in the process that the rotating shaft is driven by the motor to rotate, the rotating shaft is lubricated to reduce the rotating resistance, the working efficiency of the motor is improved, the lubricating oil can achieve a good sealing and waterproof effect, and the technical problem that the friction resistance is large when the rotating shaft is driven by the conventional electric pump to rotate is solved;

2) the water absorption sponge is arranged, the water absorption sponge can absorb water vapor generated by the operation of a machine in the pump body, when the submersible electric pump has a water leakage condition in the working process, the water absorption sponge absorbs the leaked water, the humidity sensor contacted with the water absorption sponge can convert the change condition of the humidity contained in the water absorption sponge into an electric signal in real time and send the electric signal to the controller, and then the controller performs power-off control on the motor, so that power-off protection is realized, the electric pump is prevented from being broken down, and the technical problem that the conventional electric pump is lack of power-off protection is solved;

3) be provided with the buckle through the junction at the pump head with the pump body to semicircle fixture block and last semicircle fixture block mutually support can take off the buckle fast down, and then be convenient for quick installation or dismantlement pump head on the pump body, and can conveniently change the turbine fan blade of different specifications when taking off the pump head, and can in time clear up the interior remaining silt impurity because of the charge pump operation of pump head, very big simplification the installation and the clearance step of charge pump, the comparatively complicated technical problem of current charge pump installation and dismantlement has been solved.

The purpose of the utility model can be realized by the following technical scheme:

a submersible electric pump comprises a pump body, wherein a pump head is connected to the upper end surface of the pump body, a power line is connected to the outer side surface of the bottom end of the pump body, a motor is arranged on the inner side surface of the bottom end of the pump body, a rotating shaft is connected to the upper end of the motor, turbine blades are arranged on the rotating shaft, a first fixing plate is arranged on the upper end surface of the motor, a controller is arranged on the left side of the upper end surface of the first fixing plate, a supporting rod is arranged on the right side of the upper end surface of the first fixing plate, a humidity sensor is arranged on the upper end surface of the supporting rod, a second fixing plate is arranged on the upper end of the humidity sensor, a water-absorbing sponge is arranged on the outer surface of the bottom end of the second fixing plate, an oil, the outer surface mounting of pump head upper end has the handle, pump body upper end lateral wall is provided with semicircle fixture block under a plurality of groups, pump head lower extreme lateral wall is provided with semicircle fixture block on a plurality of groups, be provided with the buckle on the semicircle fixture block.

As a further aspect of the present invention: the top end of the humidity sensor is in contact with the water absorption sponge, the output end of the humidity sensor is electrically connected with the input end of the controller through a wire, and the output end of the controller is electrically connected with the input end of the motor through a wire.

As a further aspect of the present invention: the rotating shaft is movably arranged in the pump head and the pump body.

As a further aspect of the present invention: the filter screen is in a semi-circular arc shape.

As a further aspect of the present invention: the lower semicircular clamping blocks correspond to the upper semicircular clamping blocks in groups, circular holes matched with the lower semicircular clamping blocks and the upper semicircular clamping blocks in shape and size after being combined are formed in the buckles, and the buckles are movably installed at the joints of the pump body and the pump head through grooves formed in the lower semicircular clamping blocks and the upper semicircular clamping blocks.

The utility model has the advantages that:

the oil box arranged in the submersible electric pump of the utility model contains lubricating oil, which can spray lubricating oil to the surface of the rotating shaft when the rotating resistance is generated due to the increase of the friction force in the process that the motor drives the rotating shaft to rotate, and play a role of lubricating the rotating shaft to reduce the rotating resistance, thereby improving the working efficiency of the motor and achieving good sealing and waterproof effects;

the utility model discloses the moisture that produces because of the machine operation in the pump body can be absorbed to the sponge that absorbs water that the submerged motor pump set up, when the submerged motor pump has the condition of leaking in the course of the work, the sponge that absorbs water absorbs the moisture of seepage, and the humidity transducer who contacts with the sponge that absorbs water can be real-time with the change situation conversion of the humidity that the sponge that absorbs water contains send the signal of telecommunication to the controller, and then carry out power-off control to the motor by the controller, realize power-off protection, prevent that the electric pump from breaking down;

the utility model discloses submerged motor pump is provided with the buckle in the junction of the pump head with the pump body to semicircle fixture block and last semicircle fixture block mutually support can take off the buckle fast down, and then be convenient for quick installation or dismantle the pump head on the pump body, and can conveniently change the turbine fan blade of different specifications when taking off the pump head, and can in time clear up in the pump head because of the remaining silt impurity of charge pump operation, very big simplification the installation and the clearance step of charge pump.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic overall appearance of the present invention;

fig. 3 is an enlarged view of a in fig. 2 according to the present invention.

In the figure 1, a pump body; 2. a pump head; 3. a motor; 4. a rotating shaft; 5. a first fixing plate; 6. a controller; 7. a support bar; 8. a humidity sensor; 9. a second fixing plate; 10. a water-absorbing sponge; 11. an oil box; 12. lubricating oil; 13. a filter screen; 14. turbine blades; 15. a water outlet; 16. a handle; 17. a lower semicircular fixture block; 18. an upper semicircular fixture block; 19. buckling; 20. a power line.

Detailed Description

As shown in fig. 1-3, a submersible electric pump comprises a pump body 1, wherein a pump head 2 is connected to the upper end surface of the pump body 1, a power line 20 is connected to the outer side surface of the bottom end of the pump body 1, a motor 3 is arranged and mounted on the inner side surface of the bottom end of the pump body 1, a rotating shaft 4 is connected to the upper end of the motor 3, a turbine fan blade 14 is mounted on the rotating shaft 4, a first fixing plate 5 is mounted on the upper end surface of the motor 3, a controller 6 is mounted on the left side of the upper end surface of the first fixing plate 5, a supporting rod 7 is mounted on the right side of the upper end surface of the first fixing plate 5, a humidity sensor 8 is mounted on the upper end surface of the supporting rod 7, a second fixing plate 9 is arranged on the upper end of the humidity sensor 8, a water-absorbing sponge 10 is arranged on the, the oil box is characterized in that a filter screen 13 is installed on the right side of the upper end of the oil box 11, a water outlet 15 is installed at the upper end of the pump head 2, a handle 16 is installed on the outer surface of the upper end of the pump head 2, a plurality of groups of lower semicircular clamping blocks 17 are arranged on the outer side wall of the upper end of the pump body 1, a plurality of groups of upper semicircular clamping blocks 18 are arranged on the outer side wall of the lower end of the pump head 2, and a buckle 19.

The top end of the humidity sensor 8 is in contact with the water absorption sponge 10, the output end of the humidity sensor 8 is electrically connected with the input end of the controller 6 through a wire, and the output end of the controller 6 is electrically connected with the input end of the motor 3 through a wire.

The rotating shaft 4 is movably arranged inside the pump head 2 and the pump body 1.

The filter screen 13 is in a semi-circular arc shape.

The lower semicircular clamping blocks 17 correspond to the upper semicircular clamping blocks 18, circular holes matched with the shapes and sizes of the lower semicircular clamping blocks 17 and the upper semicircular clamping blocks 18 after being combined are formed in the buckles 19, and the buckles 19 are movably arranged at the connecting parts of the pump body 1 and the pump head 2 through grooves formed in the lower semicircular clamping blocks 17 and the upper semicircular clamping blocks 18.

A kind of submerged motor pump, in operation, install the turbine flabellum 14 on the rotating shaft 4 at first, correspond to the upper semicircle fixture block 18 on the pump head 2 of the submerged motor pump with the lower semicircle fixture block 17 on the pump body 1, then install the buckle 19 in the recess on lower semicircle fixture block 17 and upper semicircle fixture block 18, the rotary buckle 19 makes the pump head 2 connect and fix with the pump body 1, the water outlet 15 on the pump head 2 connects the discharging tube, the handle 16 on the upper end of the pump head 2 is thrown into the underwater after connecting the rope, after confirming that the submerged motor pump is totally submerged by the surface of water, put through the submerged motor pump power, the rotating shaft 4 drives the turbine flabellum 14 to rotate at a high speed after the motor 3 starts, the lubricating oil 12 in the oil box 11 can reduce the rotational resistance, make the water flow filter through the filter screen 13 and enter the pump head 2 through the pressure difference produced by, if the in-process charge pump that draws water appears leaking, the sponge 10 that absorbs water can absorb the moisture in the pump body 1, the sponge 10 that absorbs water absorbs after the moisture, humidity transducer 8 with the sponge 10 that absorbs water contact can in time send the signal for controller 6, by controller 6 control motor 3 auto-power-off, realize the power-off protection, after drawing water and accomplishing, pull up the rope and retrieve submerged motor pump, pull out the power, the rotatory buckle 19 of taking off is after with pump head 2 and the separation of the pump body 1, clear up pump head 2 and filter screen 13 respectively.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The submersible electric pump is characterized by comprising a pump body (1), wherein the upper end surface of the pump body (1) is connected with a pump head (2), the outer side surface of the bottom end of the pump body (1) is connected with a power line (20), the inner side surface of the bottom end of the pump body (1) is provided with a motor (3), the upper end of the motor (3) is connected with a rotating shaft (4), the rotating shaft (4) is provided with turbine fan blades (14), the upper end surface of the motor (3) is provided with a first fixing plate (5), the left side of the upper end surface of the first fixing plate (5) is provided with a controller (6), the right side of the upper end surface of the first fixing plate (5) is provided with a support rod (7), the upper end surface of the support rod (7) is provided with a humidity sensor (8), the upper end of the humidity sensor (8) is provided with a second fixing, an oil box (11) is arranged on the upper end surface of the second fixing plate (9).

2. An electric submersible pump according to claim 1, characterized in that the oil box (11) is provided with lubricating oil (12).

3. A submersible electric pump according to claim 2, characterized in that a filter screen (13) is mounted on the right side of the upper end of the oil box (11).

4. A submersible electric pump according to claim 1, characterized in that the pump head (2) is fitted at its upper end with a water outlet (15), and the pump head (2) is fitted at its upper outer surface with a handle (16).

5. The submersible electric pump according to claim 1, characterized in that the outer side wall of the upper end of the pump body (1) is provided with a plurality of sets of lower semicircular clamping blocks (17), and the outer side wall of the lower end of the pump head (2) is provided with a plurality of sets of upper semicircular clamping blocks (18).

6. The submersible electric pump according to claim 5, characterized in that said upper semicircular block (18) is provided with a catch (19).

7. The submersible electric pump according to claim 1, characterized in that the top end of the humidity sensor (8) is in contact with the water-absorbing sponge (10), the output end of the humidity sensor (8) is electrically connected with the input end of the controller (6) through a wire, and the output end of the controller (6) is electrically connected with the input end of the motor (3) through a wire.

8. A submersible electric pump according to claim 1, characterized in that said rotary shaft (4) is mounted mobile inside the pump head (2) and the pump body (1).

9. A submersible electric pump according to claim 3, characterized in that said filtering screen (13) is semi-circular arc-shaped.

10. The submersible electric pump according to claim 6, wherein the plurality of sets of lower semicircular clamping blocks (17) correspond to the upper semicircular clamping blocks (18), the buckle (19) is provided with a circular hole which is matched with the combined shape and size of the lower semicircular clamping blocks (17) and the upper semicircular clamping blocks (18), and the buckle (19) is movably arranged at the joint of the pump body (1) and the pump head (2) through grooves formed in the lower semicircular clamping blocks (17) and the upper semicircular clamping blocks (18).