CN218102791U - Centrifugal pump easy to maintain - Google Patents

Abstract

The utility model relates to the technical field of centrifugal pumps, and provides an easy-maintenance centrifugal pump, which comprises a pump body and a motor, wherein a plurality of concave strip grooves are formed on the outer surface of the motor, a cover frame is sleeved outside the motor, a plurality of heat conducting pipes are arranged on the outer surface of the cover frame, and the heat conducting pipes are positioned between two adjacent concave strip grooves; the heat pipe lets can keep the constancy of temperature under the motor confined state, keep the motor in the state of normal work, dust and moisture in the air are avoided causing the damage to the motor, vacuum generator, the air duct, the magnetic stripe, joint strip, magnetic sheet and sealing film let two terminal boxes keep closely closing, vacuum generator comes the inside vacuum that produces of terminal box through the air duct, the heat conduction stick lets the heat dispel through heat conduction piece and fan from the terminal box inside in proper order, avoid the inside dust and the high temperature influence that receives in the air of terminal box, the motor of having solved current centrifugal pump and the measure that the terminal box lacks the protection, use in adverse circumstances and lead to the problem that terminal box and motor damaged easily.

Description

Centrifugal pump easy to maintain

Technical Field

The utility model relates to a centrifugal pump technical field provides an easily maintain centrifugal pump.

Background

The centrifugal pump relies on the centrifugal force that produces when the impeller is rotatory to carry liquid, and various mechanical equipment that are used for processing liquid raw materials all can not leave the centrifugal pump and mutually support today, and the centrifugal pump is used for carrying liquid from a place to another place, has widely been applied to various trades such as catering cooking, food processing, agricultural irrigation water source, industry transport liquid raw materials, municipal works cleaning operation, gardens green plant irrigation maintenance, capital construction, and the centrifugal pump receives all trades extensively. The centrifugal pump needs regular maintenance after long-term use, and meanwhile, the centrifugal pump is also suitable for various severe environments on the premise of ensuring the normal operation of the centrifugal pump, and the adaptability of the centrifugal pump to the working environment becomes a factor to be considered firstly.

Because the motor and the terminal box of centrifugal pump lack the measure of protection, be in the state of exposing in the air for a long time in the use, if use under adverse circumstances, motor and terminal box can suffer dust invasion and attack, temperature rise and fall and moisture erosion, and the dust can be piled up in the louvre and the terminal box of motor to lead to the centrifugal pump trouble, not only can increase the degree of difficulty that the later stage maintained the centrifugal pump, but also reduced the life of centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an easily maintain centrifugal pump, the motor and the terminal box of having solved current centrifugal pump lack the measure of protection, use at adverse circumstances and lead to the problem that terminal box and motor damaged easily.

The utility model provides a technical scheme that its technical problem adopted is: an easy-maintenance centrifugal pump comprises a pump body and a motor;

the motor is characterized in that a plurality of groove grooves are formed in the outer surface of the motor, a cover frame is sleeved outside the motor, a plurality of heat conduction pipes are mounted on the outer surface of the cover frame, and the heat conduction pipes are located between every two adjacent groove grooves;

the right end of the pump body is provided with a pair of symmetrically distributed junction boxes, the lower end of the junction box at the lower end is provided with a vacuum generator, the front end and the rear end of each junction box are respectively fixed with a magnetic stripe and a sealing rubber strip, the sealing rubber strips are positioned on the inner sides of the magnetic stripes, and the inner wall and the outer wall of each junction box are respectively fixed with a magnetic sheet and a sealing rubber sheet which are positioned between two adjacent sealing rubber strips;

the pump body left end is installed hollow box, the heater is installed to hollow box outer end, the heater outer end is fixed with the heat conduction piece, the heat conduction piece head end is fixed with and runs through to the inside heat conduction stick of terminal box, the fan is installed to the heat conduction piece outer end.

The utility model discloses in the technical scheme of preferred, the controller that is located the heater top is installed to pump body left end, the sensor is installed to controller one side, the inside packing of heat conduction piece has heat conduction silicone grease.

The utility model discloses in the technical scheme of preferred, hollow box head and the tail both ends all have the income water hose and the play water hose with pump body coupling through flange joint, water inlet and delivery port have been seted up respectively to pump body lower extreme, the heat pipe communicates with each other with the pump body and delivery port respectively.

The utility model discloses in the technical scheme of preferred, the vacuum generator upper end is installed and is run through to two the inside air duct of terminal box, vacuum generator installs in pump body surface.

The utility model discloses among the technical scheme of preferred, two through hinge connection between the terminal box, the terminal box is located and has all seted up the notch between magnetic sheet and the sealed film, the notch runs through respectively through corresponding to the use the magnetic sheet is outside with sealed film, the terminal box inner wall all is fixed with fastener piece and the dry piece adjacent to magnetic sheet one side.

The utility model discloses in the technical scheme of preferred, the motor is installed in pump body upper end.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

1. the motor shell adopts a closed shell structure, the concave strip grooves are replaced by original heat dissipation holes, a plurality of concave strip grooves are arranged outside the motor, the surface of the motor is in an uneven wave shape through the concave strip grooves, a plurality of heat conduction pipes are arranged on the surface of the motor by arranging a cover frame outside the motor, the concave strip grooves provide heat conduction spaces for the heat conduction pipes, water enters the heat conduction pipes from a water inlet by virtue of the pump body, the pump body can simultaneously absorb the heat conduction pipes in the process of pumping water, and the water in the heat conduction pipes is discharged through a water outlet, so that the motor can be gradually cooled, a heater can be started to heat the water to heat the motor when the temperature is too low, the heat conduction pipes can keep the temperature constant under the closed state of the motor, the motor can be kept in a normal working state, and meanwhile, the motor can be prevented from being damaged by dust and moisture in the air;

2. through being the symmetric distribution with two terminal boxes, and let vacuum generator, the air duct, the magnetic stripe, joint strip, magnetic sheet and sealing film cooperation are used, vacuum generator comes the inside production vacuum of terminal box through the air duct, can let two terminal boxes be in the state of closely closing, the line clamping piece, the magnetic sheet, sealing film and notch cooperation are used and can be firm and the airtight connection in the terminal box with the wire, and let the heat from the inside heat conduction piece and the fan effluvium of process in proper order of terminal box through the heat conduction stick, thereby avoid the inside dust and the high temperature influence that receive in the air of terminal box.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a disassembled view of the cover frame and the motor of the present invention;

FIG. 3 is an enlarged view of a portion of the structure A of FIG. 1;

fig. 4 is a partial enlarged view of the structure B of fig. 2 according to the present invention.

In the figure: 1-pump body, 2-cover frame, 3-motor, 4-controller, 5-heater, 6-hollow box, 7-heat conducting block, 8-fan, 9-heat conducting rod, 10-water inlet hose, 11-water inlet, 12-water outlet hose, 13-water outlet, 14-vacuum generator, 15-air duct, 16-sensor, 17-junction box, 18-magnetic strip, 19-sealing adhesive tape, 20-line clip, 21-magnetic sheet, 22-sealing film, 23-notch, 24-drying block, 25-heat conducting pipe and 26-notch groove.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution: an easy-maintenance centrifugal pump comprises a pump body 1 and a motor 3;

a plurality of groove grooves 26 are formed in the outer surface of the motor 3, the cover frame 2 is sleeved outside the motor 3, a plurality of heat conduction pipes 25 are mounted on the outer surface of the cover frame 2, and the heat conduction pipes 25 are located between every two adjacent groove grooves 26;

a pair of symmetrically distributed junction boxes 17 are arranged at the right end of the pump body 1, a vacuum generator 14 is arranged at the lower end of the junction box 17 at the lower end, magnetic stripes 18 and sealing rubber strips 19 are fixed at the front end and the rear end of the junction box 17, the sealing rubber strips 19 are located on the inner sides of the magnetic stripes 18, and magnetic sheets 21 and sealing rubber sheets 22 located between the front and rear adjacent sealing rubber strips 19 are fixed on the inner and outer walls of the junction box 17;

a hollow box 6 is installed at the left end of the pump body 1, a heater 5 is installed at the outer end of the hollow box 6, a heat conducting block 7 is fixed at the outer end of the heater 5, a heat conducting rod 9 penetrating into a junction box 17 is fixed at the head end of the heat conducting block 7, and a fan 8 is installed at the outer end of the heat conducting block 7;

the left end of the pump body 1 is provided with a controller 4 positioned above the heater 5, one side of the controller 4 is provided with a sensor 16, the sensor 16 sends infrared rays to the motor 3 to monitor the temperature of the motor 3 and the junction box 17, the sensor 16 feeds back signals to the controller 4, so that the controller 4 respectively starts the heater 5 and the fan 8 according to temperature signals fed back by the controller 4, the fan 8 is started when the temperature is higher, and the heater 5 is started when the temperature is lower;

the head and tail ends of the hollow box 6 are connected with a water inlet hose 10 and a water outlet hose 12 which are connected with the pump body 1 through flanges, the lower end of the pump body 1 is respectively provided with a water inlet 11 and a water outlet 13, and the heat conducting pipes 25 are respectively communicated with the pump body 1 and the annual water outlet 13;

the two terminal boxes 17 are connected through a hinge, notches 23 are formed in the terminal boxes 17 and located between the magnetic sheets 21 and the sealing rubber sheets 22, the notches 23 penetrate through the corresponding magnetic sheets 21 and the corresponding sealing rubber sheets 22 respectively, and wire clamping sheets 20 and drying blocks 24 adjacent to one sides of the magnetic sheets 21 are fixed on the inner walls of the terminal boxes 17;

the motor 3 is installed at the upper end of the pump body 1, the shell of the motor 3 adopts a closed shell structure, the concave bar grooves 26 are replaced by original heat dissipation holes, the cover frame 2 is covered on the surface of the motor 3, the heat conduction pipes 25 are sleeved on the outer surface of the motor 3, the cover frame 2 is arranged outside the motor 3 to install the plurality of heat conduction pipes 25 on the surface of the motor 3, meanwhile, the heat conduction pipes 25 are arranged between two adjacent concave bar grooves 26, the heat conduction pipes 25 are tightly attached to the positions between two adjacent concave bar grooves 26 on the surface of the motor 3, the concave bar grooves 26 enable the surface of the motor 3 to form a plurality of uniformly-distributed and recessed groove body structures, the plurality of concave bar grooves 26 are arranged outside the motor 3 to form uneven wave shapes on the surface of the motor 3 through the concave bar grooves 26, the concave bar grooves 26 increase the heat dissipation area on the surface of the motor 3, the concave bar grooves 26 provide heat conduction spaces for the heat conduction pipes 25, and the heat on the surface of the motor 3 can be gathered to the surface of each heat conduction pipe 25 from the concave bar grooves 26;

the pump body 1 pumps water into the water inlet hose 10 from the water inlet 11, the water flows through the water inlet hose 10 and enters the hollow box 6, the heat conducting silicone grease is filled in the heat conducting block 7, the heat conducting block 7 absorbs heat on the surface of the hollow box 6 by the heat conducting silicone grease in the heat conducting block 7, the fan 8 blows air on the surface of the heat conducting block 7, the wind power generated on the surface of the heat conducting block 7 by the fan 8 is used for quickly dissipating the heat from the surface of the heat conducting block 7, so that the temperature on the surface of the hollow box 6 is reduced, the temperature of the water in the hollow box 6 is lower than that on the surface of the hollow box 6, the heat in the water can be transferred to the surface of the hollow box 6, the heat is sequentially dissipated from the heat conducting block 7 and the fan 8, and the water flows through the interior of the hollow box 6 and reduces the temperature of the water in the hollow box 6, the water in the hollow box 6 flows out of the water outlet hose 12 and returns to the interior of the pump body 1, so that part of the water in the pump body 1 flows into each heat pipe 25, the temperature of the surface of each heat pipe 25 is reduced by the water, the temperature of the surface of the motor 3 is higher than the temperature of the water in each heat pipe 25, so that the heat on the surface of the motor 3 is transferred to the heat pipes 25, the heat flows away along the water flow in the heat pipes 25, the pump body 1 can simultaneously absorb the heat pipes 25 in the process of pumping water, the water in the heat pipes 25 is discharged through the water outlet 13, so that the motor 3 can be gradually cooled, the water flowing out of the heat pipes 25 can flow out of the water outlet 13, and the temperature of the motor 3 can be kept constant in a closed state;

when the temperature is too low, the fan 8 is turned off and the heater 5 is turned on, an electric heating tube is installed inside the heater 5, the fan 8 stops radiating heat of the heat conducting block 7, the heater 5 heats the surfaces of the hollow box 6 and the heat conducting block 7, so that the water flowing through the hollow box 6 is gradually heated, the heated water flow inside the hollow box 6 flows back to the pump body 1 from the water outlet hose 12, the inside of the heat conducting pipe 25 becomes hot water, the heat conducting pipe 25 is gradually preheated to generate a temperature difference higher than that of the motor 3, and the heat is transferred from the surface of the heat conducting pipe 25 to the surface of the motor 3, so that the motor 3 is heated by the heater 5 in a water heating mode, and the heater 5 and the fan 8 are used in a matching mode, so that the motor 3 can be in a normal working state, and the motor 3 is in a sealed shell structure, under the condition that the heat conducting pipe 25 can maintain the constant temperature of the motor 3, and meanwhile, dust and moisture in the air can be prevented from damaging the motor 3;

by symmetrically distributing the two junction boxes 17, the wire clamp sheets 20 are beneficial to clamping the wires connected to the junction boxes 17, the notches 23 can provide accommodating spaces for the wires, so that the wires can pass through between the two junction boxes 17 after the two junction boxes 17 are closed, the two junction boxes 17 can be in close contact with each other after the junction boxes 17 are closed, the magnetic stripes 18 of the two junction boxes 17 are in contact with each other, the sealing rubber strips 19 of the two junction boxes 17 are in contact with each other, the sealing rubber sheets 22 of the two junction boxes 17 are in contact with each other, the magnetic sheets 21 of the two junction boxes 17 are in contact with each other, the support connection tightness of the two junction boxes 17 is enhanced, the inside of the junction boxes 17 can be in a sealed state, the magnetic stripes 18, the sealing rubber strips 19, the wire clamp sheets 20, the magnetic sheets 21, the sealing rubber sheets 22 and the notches 23 are matched for use, so that the connection tightness of the junction boxes 17 is enhanced, the wires can be stably and hermetically connected in the junction boxes 17, the upper end of the vacuum generator 14 is provided with air ducts 15 penetrating through the inside of the two junction boxes 17, the vacuum generator 14 is arranged on the outer surface of the vacuum generator 14, the vacuum generator can prevent the vacuum generator 17 from being influenced by dust and dust in the vacuum generator 17, and dust in the vacuum generator 17 can be prevented from entering the vacuum generator 17;

meanwhile, in the process of the heat conduction pipe 25 for the motor 3, as the junction box 17 and the heat conduction block 7 are connected together by the heat conduction rod 9, under the action of heat absorption of heat conduction silicone grease in the heat conduction block 7, the heat conduction block 7 generates a temperature difference smaller than that of the junction box 17, the heat conduction rod 9 enables heat to sequentially pass through the heat conduction block 7 and the fan 8 from the interior of the junction box 17, and the fan 8 is used for dissipating the heat, so that the temperature in the junction box 17 is reduced, and the damage of high temperature to wires in the junction box 17 is reduced;

conversely, if heat pipe 25 preheats motor 3, and the temperature difference between hollow box 6 with gradually increased temperature and terminal box 17 is higher, the heat on the surface of hollow box 6 is transferred into terminal box 17, and the temperature of terminal box 17 is kept constant by combining the above-mentioned cooling measure of terminal box 17;

synthesize above-mentioned embodiment and show, be favorable to letting the centrifugal pump can be adapted to adverse circumstances in the use, just so reduced the frequency of dismantling motor 3 and terminal box 17, at ordinary times only need wipe off motor 3 and terminal box 17 surface accumulational dust and moisture can, reduced the later stage to the degree of difficulty of centrifugal pump maintenance, relatively save worry among the maintenance process, be favorable to prolonging the life of centrifugal pump.

Claims (6)

1. An easy-to-maintain centrifugal pump comprises a pump body (1) and a motor (3), and is characterized in that:

a plurality of groove grooves (26) are formed in the outer surface of the motor (3), the cover frame (2) is sleeved outside the motor (3), a plurality of heat conduction pipes (25) are mounted on the outer surface of the cover frame (2), and the heat conduction pipes (25) are located between every two adjacent groove grooves (26);

a pair of symmetrically distributed junction boxes (17) is arranged at the right end of the pump body (1), a vacuum generator (14) is arranged at the lower end of the junction box (17) at the lower end, magnetic stripes (18) and sealing rubber strips (19) are fixed at the front end and the rear end of the junction box (17), the sealing rubber strips (19) are located on the inner sides of the magnetic stripes (18), and magnetic sheets (21) and sealing rubber sheets (22) located between the front and rear adjacent sealing rubber strips (19) are fixed on the inner and outer walls of the junction box (17);

the pump body (1) left end is installed and is had hollow box (6), heater (5) are installed to hollow box (6) outer end, heater (5) outer end is fixed with heat conduction piece (7), heat conduction piece (7) head end is fixed with and runs through to inside heat conduction stick (9) of terminal box (17), fan (8) are installed to heat conduction piece (7) outer end.

2. An easy-to-maintain centrifugal pump as defined in claim 1, wherein: the pump body (1) left end is installed and is located controller (4) of heater (5) top, sensor (16) are installed to controller (4) one side, heat conduction block (7) inside is filled with heat conduction silicone grease.

3. An easy-maintenance centrifugal pump according to claim 1, wherein: the water inlet and outlet heat pump is characterized in that the head end and the tail end of the hollow box (6) are connected with a water inlet hose (10) and a water outlet hose (12) which are connected with the pump body (1) through flanges, the lower end of the pump body (1) is provided with a water inlet (11) and a water outlet (13) respectively, and the heat conduction pipes (25) are communicated with the pump body (1) and the water outlet (13) respectively.

4. An easy-maintenance centrifugal pump according to claim 1, wherein: the upper end of the vacuum generator (14) is provided with air guide pipes (15) penetrating into the two junction boxes (17), and the vacuum generator (14) is arranged on the outer surface of the pump body (1).

5. An easy-to-maintain centrifugal pump as defined in claim 1, wherein: two through hinge connection between terminal box (17), notch (23) have all been seted up to terminal box (17) position between magnetic sheet (21) and sealed film (22), notch (23) run through respectively through to use corresponding magnetic sheet (21) and sealed film (22) outside, terminal box (17) inner wall all is fixed with wire clip (20) and dry piece (24) adjacent to magnetic sheet (21) one side.

6. An easy-to-maintain centrifugal pump as defined in claim 1, wherein: the motor (3) is arranged at the upper end of the pump body (1).

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