CN212909257U - Integral cooling ventilation device of variable-frequency speed-regulating motor - Google Patents

Abstract

The utility model relates to a variable frequency speed motor technical field, and an integral cooling ventilation device of variable frequency speed motor is disclosed, which comprises a housin and a rotating shaft, the pivot is located inside just of casing, the fixed cover of lower extreme has connect first fan, the inside fixed baffle that has seted up a plurality of first through-holes that is equipped with in top that just is located first fan of casing, a plurality of second through-holes have been seted up to the bottom of casing, two fixed backup pads that are equipped with the symmetry in bottom of casing, the fixed plate that is equipped with in bottom of backup pad, the lower extreme of pivot passes the casing and extends to the outside, the fixed first bevel gear that is equipped with in bottom of pivot, the lower extreme of two backup pads all rotates through first rolling bearing and is connected with the horizontal pole, the top both. The utility model discloses can cross when low at the inside fan radiating efficiency of motor body, carry out efficient cooling and ventilation to the whole of motor.

Description

Integral cooling ventilation device of variable-frequency speed-regulating motor

Technical Field

The utility model relates to a variable frequency speed motor technical field especially relates to an integral cooling ventilation unit of variable frequency speed motor.

Background

The variable frequency speed regulating motor is a general name of a motor driven by a frequency converter, has the advantages of having a starting function, and can adapt to frequent speed change under different working conditions by adopting an electromagnetic design.

The existing variable-frequency speed regulating motor is generally internally provided with a fan which rotates along with a rotating shaft of the motor to radiate heat of the motor, and when the speed of the motor is reduced, the air supply quantity of the fan is reduced, so that the overall cooling and ventilation efficiency of the motor is lowered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fan that the inside of motor body set up among the prior art is lower to the holistic cooling ventilation efficiency of motor, and the integral cooling ventilation device of variable frequency speed motor that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an integral cooling and ventilating device of a variable-frequency speed-regulating motor comprises a shell and a rotating shaft, wherein the rotating shaft is positioned in the shell, a first fan is fixedly sleeved at the lower end of the rotating shaft, a baffle plate provided with a plurality of first through holes is fixedly arranged in the shell and above the first fan, a plurality of second through holes are formed in the bottom of the shell, two symmetrical supporting plates are fixedly arranged at the bottom of the shell, a fixed plate is fixedly arranged at the bottom of each supporting plate, the lower end of the rotating shaft penetrates through the shell and extends to the outside, a first bevel gear is fixedly arranged at the bottom of the rotating shaft, the lower ends of the two supporting plates are rotatably connected with a cross rod through a first rotating bearing, both sides of the top of the fixed plate are rotatably connected with vertical rods through third rotating bearings, second fans are fixedly sleeved on rod walls of the vertical rods, and a box body is fixedly arranged at, the wall of the cross rod is provided with a first transmission mechanism, the bottom of the rotating shaft is provided with a second transmission mechanism, strip-shaped through grooves are formed in the two sides of the shell, and reciprocating air supply mechanisms are arranged in the strip-shaped through grooves.

Preferably, the reciprocating air supply mechanism comprises a reciprocating screw rod, two ends of the reciprocating screw rod are rotatably connected with the groove wall of the strip-shaped through groove through fourth rotating bearings, a sliding block is connected to the rod wall of the reciprocating screw rod in a threaded manner, an air supply opening is formed in the top of the box body, a connecting pipe is fixedly arranged at the top of the box body, the other end of the connecting pipe is communicated with a corrugated pipe, the other end of the corrugated pipe is fixedly connected with the sliding block and extends into the inside of the shell, and the lower end of the rod wall of the reciprocating screw rod penetrates through the shell and extends.

Preferably, first drive mechanism includes two second bevel gears, second bevel gear and the fixed cup joint of horizontal pole wall, and with first bevel gear meshing, the both ends of horizontal pole all pass the box and fixedly are equipped with third bevel gear, the pole wall of montant is fixed to be cup jointed fourth bevel gear, third bevel gear and fourth bevel gear meshing.

Preferably, the second drive mechanism includes first belt pulley and the second belt pulley that two symmetries set up, first belt pulley cup joints with the axle wall of pivot is fixed, and two second belt pulleys all fixedly cup joint with the pole wall lower extreme of reciprocal lead screw, first belt pulley and second belt pulley pass through belt transmission and are connected.

Preferably, the side walls of the two box bodies are provided with vent holes.

Preferably, both of said belts pass through the support plate.

Compared with the prior art, the utility model provides an integral cooling ventilation device of variable frequency speed motor possesses following beneficial effect:

1. this integral cooling ventilation device of variable frequency speed control motor through second fan, box, connecting pipe and bellows and the reciprocal air supply mechanism that is equipped with, is coordinating first fan and is dispelling the heat to the motor is whole, has improved the holistic cooling ventilation efficiency of motor.

2. The integral cooling and ventilating device of the variable-frequency speed-regulating motor can enable the rotating shaft inside the motor to drive the reciprocating air supply mechanism to work and radiate the motor through the first transmission mechanism and the second transmission mechanism which are arranged.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can carry out efficient cooling and ventilation to the whole of motor when motor body inside fan radiating efficiency is low excessively, has improved the holistic life of motor.

Drawings

Fig. 1 is a schematic structural view of an integrated cooling and ventilating device of a variable frequency adjustable speed motor according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a shell 1, a rotating shaft 2, a first fan 3, a partition plate 4, a support plate 5, a fixing plate 6, a first bevel gear 7, a cross rod 8, a vertical rod 9, a second fan 10, a box 11, a reciprocating screw rod 12, a sliding block 13, a connecting pipe 14, a corrugated pipe 15, a second bevel gear 16, a third bevel gear 17, a fourth bevel gear 18, a first belt pulley 19, a second belt pulley 20 and a belt 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an integral cooling and ventilating device of a variable frequency speed regulating motor comprises a housing 1 and a rotating shaft 2, wherein the rotating shaft 2 is positioned inside the housing 1, the lower end of the rotating shaft 2 is fixedly sleeved with a first fan 3, a baffle plate 4 provided with a plurality of first through holes is fixedly arranged inside the housing 1 and above the first fan 3, the bottom of the housing 1 is provided with a plurality of second through holes, the bottom of the housing 1 is fixedly provided with two symmetrical supporting plates 5, the bottom of the supporting plate 5 is fixedly provided with a fixing plate 6, the supporting plate 5 and the fixing plate 6 are arranged to support the motor, the lower end of the rotating shaft 2 penetrates through the housing 1 and extends to the outside, the bottom of the rotating shaft 2 is fixedly provided with a first bevel gear 7, the lower ends of the two supporting plates 5 are rotatably connected with a cross rod 8 through a first rotating bearing, the first rotating bearing is arranged to rotatably support the cross rod 8, the second fan 10 has been cup jointed to the pole wall of montant 9 is fixed, and the fixed box 11 that is equipped with in the outside that the top of fixed plate 6 just is located second fan 10, and the pole wall of horizontal pole 8 is provided with first drive mechanism, and the bottom of pivot 2 is equipped with second drive mechanism, and the bar is led to the groove has all been seted up to the both sides of casing 1, and the bar is led to the inslot and is provided with reciprocal air supply mechanism.

Reciprocal air supply mechanism includes reciprocal lead screw 12, the both ends of reciprocal lead screw 12 are all connected through the cell wall rotation of fourth rolling bearing and bar through groove, the pole wall threaded connection of reciprocal lead screw 12 has slider 13, slider 13 and the cell wall contact of bar through groove, it is spacing to carry out the removal of slider 13, the supply-air outlet has been seted up and the fixed connecting pipe 14 that is equipped with at the top of box 11, connecting pipe 14's other end intercommunication has bellows 15, bellows 15 can buckle, bellows 15's the other end and slider 13 fixed connection, and stretch into inside 1 casing, the pole wall lower extreme of reciprocal lead screw 12 passes casing 1 and extends to the outside.

The first transmission mechanism comprises two second bevel gears 16, the second bevel gears 16 are fixedly sleeved with the rod wall of the transverse rod 8 and meshed with the first bevel gear 7, two ends of the transverse rod 8 penetrate through the box body 11 and are fixedly provided with third bevel gears 17, the rod wall of the vertical rod 9 is fixedly sleeved with fourth bevel gears 18, and the third bevel gears 17 are meshed with the fourth bevel gears 18.

The second drive mechanism includes first belt pulley 19 and second belt pulley 20 that two symmetries set up, and first belt pulley 19 cup joints with the axle wall of pivot 2 is fixed, and two second belt pulleys 20 all fixedly cup joint with the pole wall lower extreme of reciprocal lead screw 12, and first belt pulley 19 and second belt pulley 20 pass through belt 21 transmission and connect, and the ventilation hole has all been seted up to the lateral wall of two boxes 11, and two belts 21 all pass backup pad 5.

The utility model discloses in, the motor carries out the during operation, pivot 2 begins to rotate and drives first fan 3 and rotates, cool off the heat dissipation to the motor is inside, 2 pivoted drive first bevel gear 7 simultaneously rotate and with second bevel gear 16 meshing, make horizontal pole 8 rotate and drive two third bevel gears 17 and rotate, thereby third bevel gear 17 makes montant 9 drive second fan 10 rotate with fourth bevel gear 18 meshing, the rotatory air-out of second fan 10 lets in inside casing 1 through connecting pipe 14 and bellows 15, meanwhile pivot 2 rotate and through first belt pulley 19, the transmission of second belt pulley 20 and belt 21 makes two reciprocal lead screws 12 rotate simultaneously, slider 13 drives bellows 15 reciprocating sliding along the bar through groove in the time of reciprocal lead screw 12 pivoted, thereby carry out reciprocal air supply heat dissipation from top to bottom to casing 1 inside, carry out holistic cooling to the motor under the mating reaction of first fan 3 and two second fans 10 this moment, cool off the heat dissipation to the motor And (6) ventilating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The integral cooling and ventilating device of the variable-frequency speed-regulating motor comprises a shell (1) and a rotating shaft (2), and is characterized in that the rotating shaft (2) is positioned inside the shell (1), a first fan (3) is fixedly sleeved at the lower end of the rotating shaft (2), a partition plate (4) provided with a plurality of first through holes is fixedly arranged inside the shell (1) and above the first fan (3), a plurality of second through holes are formed in the bottom of the shell (1), two symmetrical supporting plates (5) are fixedly arranged at the bottom of the shell (1), a fixing plate (6) is fixedly arranged at the bottom of each supporting plate (5), the lower end of the rotating shaft (2) penetrates through the shell (1) and extends to the outside, a first bevel gear (7) is fixedly arranged at the bottom of the rotating shaft (2), and the lower ends of the two supporting plates (5) are rotatably connected with a cross rod (8) through a, the top both sides of fixed plate (6) all rotate through the third rolling bearing and are connected with montant (9), second fan (10) have been cup jointed to the pole wall of montant (9) is fixed, the top of fixed plate (6) and the outside that is located second fan (10) are fixed and are equipped with box (11), the pole wall of horizontal pole (8) is provided with first drive mechanism, the bottom of pivot (2) is equipped with second drive mechanism, the bar logical groove has all been seted up to the both sides of casing (1), the bar is led to the inslot and is provided with reciprocal air supply mechanism.

2. The integrated cooling and ventilating device of the variable frequency speed regulating motor according to claim 1, wherein the reciprocating air supply mechanism comprises a reciprocating screw rod (12), both ends of the reciprocating screw rod (12) are rotatably connected with the groove walls of the strip-shaped through grooves through fourth rotating bearings, a sliding block (13) is connected with the rod wall of the reciprocating screw rod (12) in a threaded manner, an air supply opening is formed in the top of the box body (11) and is fixedly provided with a connecting pipe (14), the other end of the connecting pipe (14) is communicated with a corrugated pipe (15), the other end of the corrugated pipe (15) is fixedly connected with the sliding block (13) and extends into the shell (1), and the lower end of the rod wall of the reciprocating screw rod (12) penetrates through the shell (1) and extends to the outside.

3. The integrated cooling and ventilating device of claim 1, wherein the first transmission mechanism comprises two second bevel gears (16), the second bevel gears (16) are fixedly sleeved with the rod wall of the cross rod (8) and are meshed with the first bevel gear (7), both ends of the cross rod (8) penetrate through the box body (11) and are fixedly provided with third bevel gears (17), the rod wall of the vertical rod (9) is fixedly sleeved with the fourth bevel gear (18), and the third bevel gears (17) are meshed with the fourth bevel gears (18).

4. The integrated cooling and ventilating device of the variable-frequency adjustable-speed motor according to claim 1, wherein the second transmission mechanism comprises a first belt pulley (19) and a second belt pulley (20) which are symmetrically arranged, the first belt pulley (19) is fixedly sleeved with the shaft wall of the rotating shaft (2), the two second belt pulleys (20) are fixedly sleeved with the lower end of the rod wall of the reciprocating screw rod (12), and the first belt pulley (19) and the second belt pulley (20) are in transmission connection through a belt (21).

5. The integrated cooling and ventilating device of the variable frequency adjustable speed motor according to claim 1, wherein the side walls of the two boxes (11) are provided with vent holes.

6. An integral cooling fan unit for a variable frequency variable speed motor according to claim 4, characterised in that both belts (21) pass through the support plate (5).

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