CN215267965U - Closed air-cooled motor - Google Patents

Abstract

The utility model discloses a closed air cooling motor, which comprises a shell, a heat dissipation fan arranged on the shell, a first square hole arranged on the shell, a baffle arranged on the shell, a sliding plate arranged on the shell, a second square hole arranged on the sliding plate, a pressing mechanism arranged on the sliding plate and a cleaning mechanism arranged on the sliding plate; the pushing mechanism comprises a supporting rod, a supporting chute arranged on the shell, a supporting spring arranged on the supporting rod, a connecting rod arranged on the sliding plate, a rotating shaft arranged on the connecting rod, a handle arranged on the rotating shaft, a rotating shaft chute arranged on the shell and a clamping assembly arranged on the handle.

Description

Closed air-cooled motor

Technical Field

The utility model belongs to the technical field of closed air-cooled motor, especially, relate to a closed air-cooled motor.

Background

In the special application fields of coal mines, metallurgy, rail cars, electric automobiles and the like, motors face special requirements of large dust in working environment, large working load strength, tight limitation on size and the like, and objectively put forward higher requirements on dust prevention and heat dissipation capacity of the motors. However, dust prevention requires the motor to be sealed, and heat dissipation requires good ventilation, which are main contradictions in motor design.

The cooling mode of the existing motor mainly comprises: open forced air cooling, closed natural air cooling, circulating water cooling, closed air cooling and the like. The open forced air cooling has good heat dissipation effect of the motor but poor dustproof performance; closed natural air cooling is adopted, the dustproof performance is good, but the heat dissipation capacity is poor, and the volume and the weight of the motor are large; the circulating water cooling has strong heat dissipation capability, good dustproof effect and large motor power density, but the water circulating system and the motor have complex and expensive structures; the closed air cooling structure has good dust resistance, simple and reliable structure and high cost performance, and is an air cooling motor which meets the special application requirements in the fields of coal mines, metallurgy, railway locomotives, subway motor cars, electric automobiles and the like.

At present, cooling air flows through an existing closed air cooling motor in parallel along the axial direction of the motor, and the heat dissipation effect is not ideal enough. The volume is large, the heat dissipation capacity is insufficient, and the cost performance of the motor is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a closed forced air cooling motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a closed air cooling motor comprises a shell, a heat dissipation fan arranged on the shell, a first square hole arranged on the shell, a baffle arranged on the shell, a sliding plate arranged on the shell, a second square hole arranged on the sliding plate, a pressing mechanism arranged on the sliding plate and a cleaning mechanism arranged on the sliding plate; the pressing mechanism comprises a support rod, a support sliding chute arranged on the shell, a support spring arranged on the support rod, a connecting rod arranged on the sliding plate, a rotating shaft arranged on the connecting rod, a handle arranged on the rotating shaft, a rotating shaft sliding chute arranged on the shell and a clamping assembly arranged on the handle; when the shell needs to dissipate heat, the heat inside the shell is removed through the heat dissipation fan, the sliding plate is pressed downwards through the pressing handle, the first square hole is aligned with the second square hole, the position is fixed through the clamping assembly, external air can flow in, gas inside the shell can be replaced, and the heat inside the shell can be taken out through the heat dissipation fan; when the shell does not need heat dissipation or work, the position of the sliding plate can be restored, the positions of the first square hole and the second square hole are staggered, the side wall of the shell is in a closed state, and external dust and rainwater impurities are prevented from entering the shell.

Furthermore, the clamping assembly comprises a clamping block, a sliding rod arranged on the clamping block, a pressing block arranged on the sliding rod, a sliding rod chute arranged on the rotating shaft, a sliding rod spring arranged on the sliding rod and an arc-shaped plate arranged on the handle; through pressing the arc, the arc upper end is rotatory, will with the inside extrusion of briquetting of fixture block lower extreme contact, make the fixture block of bottom slide to the slide bar spout in the back, alright push down loose hand behind the pivot, when fixture block auto-eject, alright loose hand, through the fixture block with the position fixation of connecting rod, make first square hole and second square hole align the ventilation.

Further, the cleaning mechanism comprises a first scraping strip, a sliding ring arranged on the shell, a sliding ring groove arranged on the shell, a rubber strip arranged on the sliding ring, a pressure rod arranged on the first scraping strip, an ejection assembly arranged on the first scraping strip, a second scraping strip arranged on the shell and a fixing assembly arranged on the shell; the first scraping strip can scrape off dust and impurities adhered to the second square hole; the second scraping strip can scrape off dust and impurities adhered to the first square hole; the slip ring can drive the first scraping strip to slide on the shell through the pressure rod; the rubber strip can prevent external dust debris from entering the shell, and also can prevent debris from piling up and blocking the sliding groove of the pressure rod.

Further, the ejection assembly comprises an ejection block, an ejection block sliding groove arranged on the first scraping strip, an ejection block spring arranged on the ejection block, a first inclined plane arranged on the ejection block, a second inclined plane arranged on the ejection block and an ejection block groove arranged on the second scraping strip; when first square hole and second square hole align, push down the depression bar, make the kicking block outwards slide through first inclined plane, slide the kicking block to the kicking block groove in, make it drive the second and scrape strip synchronous motion, strike off the debris in the first square hole.

Further, the fixing component comprises a fixing block, a third inclined plane arranged on the fixing block, a fourth inclined plane arranged on the fixing block, a fifth inclined plane arranged on the fixing block, a fixing chute arranged on the shell and a fixing spring arranged on the fixing block; through the cooperation of the second inclined plane and the third inclined plane on the fixed block, make the fixed block push down, can make the fixed block roll-off of card in the second scrapes strip bottom through the fourth inclined plane, can slide the second scrapes the top of strip slip-in fixed block through the fifth inclined plane and fix it.

In summary, the utility model can superpose the first square hole and the second square hole together through the arrangement of the pressing mechanism, so that the air in the shell is circulated, and the heat generated inside is absorbed through the air; through the setting of clearance mechanism, can be stained with the impurity that attaches on first square hole and the second square hole and clear up.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a of fig. 2.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a side view of the present invention.

Fig. 6 is a sectional view at C-C of fig. 5.

Fig. 7 is a sectional view taken at E-E of fig. 5.

Fig. 8 is an enlarged view of fig. 7 at D.

Detailed Description

As shown in fig. 1-8, a closed air-cooled motor comprises a housing 1, a heat dissipation fan 2, a first square hole 3, a baffle 4, a sliding plate 5, a second square hole 50, a pressing mechanism and a cleaning mechanism; the pressing mechanism comprises a support rod 51, a support sliding groove 10, a support spring 52, a connecting rod 53, a rotating shaft 54, a handle 55, a rotating shaft sliding groove 11 and a clamping component; the heat radiation fan 2 is positioned at the top of the shell 1; the first square hole 3 is positioned on the side wall of the shell 1; the baffle 4 is positioned at the upper end of the first square hole 3; the sliding plate 5 is tightly attached to the side wall in the shell 1 and can slide up and down in the supporting chute 10 on the bottom wall in the shell 1 through the supporting plate 51 at the bottom; the second square hole 50 is arranged on the sliding plate 5 corresponding to the first square hole 3; one end of the supporting spring 52 is fixedly connected to the bottom of the supporting rod 51, and the other end is fixedly connected to the bottom of the supporting chute 10; the connecting rods 53 connect the sliding plates 5 at the two side walls together; the bottom of the rotating shaft 54 can rotate in the middle of the connecting rod 53, and the middle can slide in the rotating shaft sliding groove 11 on the shell 1; a handle 55 is fixed to the top end of the rotation shaft 54.

Specifically, the clamping assembly comprises a clamping block 6, a sliding rod 60, a pressing block 61, a sliding rod chute 56, a sliding rod spring 62 and an arc-shaped plate 63; the bottom end of the slide bar 60 is a fixture block 6, and the upper end is a press block 61; the sliding rod 60 can slide in the sliding rod sliding groove 56 in the rotating shaft 54; one end of a slide bar spring 62 is fixedly connected to the slide bar 60, and the other end is fixedly connected to the end surface of the slide bar chute 56; the arc plate 63 is rotatable on the handle 55, and the other end is in contact with the press block 61.

Specifically, the cleaning mechanism comprises a first scraping strip 7, a sliding ring 70, a sliding ring groove 12, a rubber strip 71, a pressing rod 72, an ejection assembly, a second scraping strip 13 and a fixing assembly; the first scraping strip 7 is positioned at the boundary of the second square hole 50; the slip ring 70 is slidable in the slip ring groove 12 on the top surface of the housing 1; two rubber strips 71 are fixed on two sides of the slip ring 70 and can slide on the shell 1; the pressure rod 72 can slide up and down in the middle of the sliding ring 70; the second wiper strip 13 is located at the boundary of the first square hole 3; the ejection assembly comprises an ejection block 73, an ejection block sliding groove 74, an ejection block spring 75, a first inclined surface 731, a second inclined surface 732 and an ejection block groove 133; the top block 73 can slide in a top block runner 74 inside the first wiper strip 7; one end of the top block spring 75 is fixedly connected to the top block 73, and the other end is fixedly connected to the top block sliding groove 74; the first inclined surface 731 is located on the side wall of the top block 73 and contacts the pressing rod 72; a second incline 732 is located on the other side wall of the top block 73; the top block groove 133 is positioned in the second scraping bar 13, the size and the position of the top block groove correspond to those of the top block sliding groove 74, and the top block 73 can slide in; the fixing component comprises a fixing block 8, a third inclined surface 81, a fourth inclined surface 82, a fifth inclined surface, a fixing chute 14 and a fixing spring 84; the fixed block 8 can slide in a fixed sliding chute 14 on the bottom boundary of the first square hole 3; one end of the fixed spring 84 is fixedly connected to the bottom surface of the fixed block 8, and the other end is fixedly connected to the bottom surface of the fixed chute 14; the third inclined surface 81 is positioned on the side wall of the fixed block 8 and is matched with the second inclined surface 732 on the top block 73; the fourth inclined surface 82 and the fifth inclined surface are located on the front and rear walls of the fixing block 8 correspondingly.

The working principle is as follows: when the shell 1 needs to dissipate heat, heat inside the shell 1 is removed through the heat dissipation fan 2, the sliding plate 5 is pressed downwards through the pressing handle 55, the first square hole 3 and the second square hole 50 are aligned, the upper end of the arc-shaped plate 63 rotates through pressing the arc-shaped plate 63, the pressing block 61 in contact with the lower end of the clamping block 6 is pressed inwards, the rotating shaft 54 can be pressed downwards to release the hand after the clamping block 6 at the bottom slides into the sliding groove 56 of the sliding rod, when the clamping block 6 automatically pops up, the hand can be released, the position of the connecting rod 53 is fixed through the clamping block 6, the first square hole 3 and the second square hole 50 are aligned and ventilated, gas inside the shell 1 is replaced, and the heat inside the shell 1 can be taken out through the heat dissipation fan 2; when the shell 1 does not need heat dissipation or work, the position of the sliding plate 5 can be restored, the positions of the first square hole 3 and the second square hole 50 are staggered, the side wall of the shell 1 is in a closed state, and external dust and rainwater are prevented from being separated into impurities and entering the shell 1.

The first scraping strip 7 can scrape off dust and impurities attached to the second square hole 50; the second scraping strip 13 can scrape off dust and impurities adhered to the first square hole 3; the slip ring 70 can drive the first scraping strip 7 to slide on the shell 1 through the pressure rod 72; the rubber strip 71 can prevent external dust and sundries from entering the shell 1 and also can prevent sundries from being accumulated to block the sliding chute of the pressing rod 72; when the first square hole 3 and the second square hole 50 are aligned, the pressing rod 72 is pressed downwards, the top block 73 is made to slide outwards through the first inclined surface 731, the top block 73 is made to slide into the top block groove 133, and the second scraping strip 13 can be driven to move synchronously to scrape impurities on the first square hole 13; the second inclined plane 732 is matched with the third inclined plane 81 on the fixed block 8 to press the fixed block 8 downwards, the fixed block 8 clamped in the bottom of the second scraping strip 13 can slide out through the fourth inclined plane 82, and the second scraping strip 13 can slide into the top of the fixed block 8 through the fifth inclined plane to be fixed.

Claims (5)

1. A closed air cooling motor comprises a shell (1), a heat dissipation fan (2) arranged on the shell, a first square hole (3) arranged on the shell, a baffle (4) arranged on the shell, a sliding plate (5) arranged on the shell, a second square hole (50) arranged on the sliding plate, a pressing mechanism arranged on the sliding plate and a cleaning mechanism arranged on the sliding plate; the method is characterized in that: the pushing mechanism comprises a supporting rod (51), a supporting sliding groove (10) arranged on the shell, a supporting spring (52) arranged on the supporting rod, a connecting rod (53) arranged on the sliding plate, a rotating shaft (54) arranged on the connecting rod, a handle (55) arranged on the rotating shaft, a rotating shaft sliding groove (11) arranged on the shell and a clamping assembly arranged on the handle.

2. A closed air-cooled electric machine according to claim 1, characterized in that: the clamping assembly comprises a clamping block (6), a sliding rod (60) arranged on the clamping block, a pressing block (61) arranged on the sliding rod, a sliding rod sliding groove (56) arranged on the rotating shaft, a sliding rod spring (62) arranged on the sliding rod and an arc-shaped plate (63) arranged on the handle.

3. A closed air-cooled electric machine according to claim 1, characterized in that: clearance mechanism includes first scraping strip (7), locates sliding ring (70) on the casing, locates sliding ring groove (12) on the casing, locate rubber strip (71) on the sliding ring, locate depression bar (72) on the first scraping strip, locate ejecting subassembly on the first scraping strip, locate second on the casing is scraped strip (13) and is located fixed subassembly on the casing.

4. A closed air-cooled electric machine according to claim 1, characterized in that: the ejection assembly comprises an ejection block (73), an ejection block sliding groove (74) arranged on the first scraping strip, an ejection block spring (75) arranged on the ejection block, a first inclined surface (731) arranged on the ejection block, a second inclined surface (732) arranged on the ejection block and an ejection block groove (133) arranged on the second scraping strip.

5. A closed air-cooled electric machine according to claim 1, characterized in that: the fixing assembly comprises a fixing block (8), a third inclined plane (81) arranged on the fixing block, a fourth inclined plane (82) arranged on the fixing block, a fifth inclined plane arranged on the fixing block, a fixing sliding groove (14) arranged on the shell and a fixing spring (84) arranged on the fixing block.

Images