CN212695802U - Brushless DC motor assembly - Google Patents

Abstract

The utility model discloses a brushless DC motor subassembly, including main part, anticollision mechanism, base, fixed establishment and heat dissipation mechanism, the inside of main part is run through there is the pivot, the top of pivot is provided with the lag, be provided with anticollision mechanism on the outer wall of main part, the bottom of main part is provided with the base, the top of base evenly is provided with the draw-in groove, the inside both sides of base all are provided with fixed establishment, one side of main part is fixed with heat dissipation mechanism, heat dissipation mechanism includes fixed block, heat dissipation chamber, connecting rod, cassette, filter screen and exhaust fan, the inside of fixed block is provided with the heat dissipation chamber, all be fixed with the connecting rod on the inner wall in heat dissipation chamber, the one end of connecting rod all is fixed with the exhaust fan, one side of heat dissipation intracavity wall connecting rod all is fixed with the cassette. The utility model discloses not only realized the radiating function of being convenient for, realized the function of being convenient for to consolidate, realized the function of anticollision moreover.

Description

Brushless DC motor assembly

Technical Field

The utility model relates to the technical field of electric machines, specifically be brushless DC motor subassembly.

Background

The brushless motor is a motor without an electric brush and a commutator, has better performance compared with the traditional direct current motor, can run at low speed and high power, has very wide application range, and is very useful in the fields of automobiles, automation and spaceflight;

however, the conventional brushless dc motor is often overheated to affect the internal magnetic field when in use, so that the motor fails to work and cannot provide power, and therefore, a brushless dc motor convenient for heat dissipation is developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless DC motor subassembly to propose inconvenient radiating problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: brushless DC motor subassembly, including main part, anticollision mechanism, base, fixed establishment and heat dissipation mechanism, the pivot has been run through to the inside of main part, the top of pivot is provided with the lag, be provided with anticollision mechanism on the outer wall of main part, the bottom of main part is provided with the base, the top of base evenly is provided with the draw-in groove, the inside both sides of base all are provided with fixed establishment, one side of main part is fixed with heat dissipation mechanism, heat dissipation mechanism includes fixed block, heat dissipation chamber, connecting rod, cassette, filter screen and exhaust fan, the inside of fixed block is provided with the heat dissipation chamber, all be fixed with the connecting rod on the inner wall in heat dissipation chamber, the one end of connecting rod all is fixed with the exhaust fan, one side of heat dissipation intracavity wall connecting rod all is fixed with the cassette, one side of cassette all is provided with the filter.

Preferably, the anti-collision mechanism comprises an anti-collision layer, first springs and telescopic rods, the first springs are evenly arranged inside the anti-collision layer, and the telescopic rods are arranged inside the first springs.

Preferably, the first springs are distributed in the anti-collision layer in an array mode, obliquely downward through holes are uniformly formed in the main body, and the main body extends to the inside of the clamping groove.

Preferably, the fixing mechanism comprises an internal groove, a baffle, a pull rod, a second spring and a handle, the second spring is fixed inside the internal groove, the pull rod is arranged on the inner side of the second spring inside the internal groove, the baffle is fixed on the outer wall of the pull rod, and the handle is fixed on one side of the pull rod.

Preferably, the built-in grooves are provided in two groups, and one end of each pull rod extends into the main body.

Preferably, the inside of fixed block evenly sets up the cross section and is the ventilation hole on inclined plane, constitute the block structure between cassette and the filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the brushless direct current motor component not only realizes the function of facilitating heat dissipation and reinforcement, but also realizes the function of preventing collision;

(1) the handle is pulled to drive the pull rod to move, meanwhile, the second spring is in a compressed state, the bottom end of the main body moves along the clamping groove in the base, after the second spring completely enters the main body, the through groove in the bottom end of the main body and the pull rod are located on the same horizontal plane, then the handle is loosened, the second spring loses pressure and recovers to the original state, the second spring resets to drive the pull rod to move, when the baffle plate contacts with the inner wall of the built-in groove, the pull rod stops moving, the pull rod is clamped with the bottom end of the main body, and the main body and the base are fixed with each other;

(2) after the heat dissipation mechanism is used for a long time, a large amount of heat can be generated in the main body, the ventilation of air is accelerated by the rotation of the exhaust fan at the moment, so that the air inside and outside the main body is continuously replaced, the heat is continuously discharged along with the air while the air is exchanged, the temperature inside the main body is reduced, the exhaust groove inside the fixing block is obliquely downward, external water can be prevented from entering the inside of the heat dissipation mechanism, the filter screen inside the heat dissipation cavity can prevent external mosquitoes and dust from entering the main body, and a certain protection function is achieved;

(3) the function of the device anticollision has been realized through being provided with anticollision mechanism, in the in-process of depositing and transporting the main part, often can collide, the anticollision layer of main part surface can play the effect of alleviating the impulsive force this moment, then remaining impulsive force can transmit on first spring, first spring makes self compression and absorbs the impulsive force, the inside telescopic link of first spring can make the directional compression of first spring, the damage of first spring has been avoided, just can reduce the damage to the main part by a wide margin after first spring has absorbed the impulsive force, thereby protected the main part not receive the damage.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic top sectional view of the present invention;

fig. 3 is a schematic top sectional view of the heat dissipation mechanism of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at a position in fig. 1 according to the present invention.

In the figure: 1. a main body; 2. a protective sleeve; 3. a rotating shaft; 4. an anti-collision mechanism; 401. an anti-collision layer; 402. a first spring; 403. a telescopic rod; 5. a base; 6. a fixing mechanism; 601. a built-in groove; 602. a baffle plate; 603. a pull rod; 604. a second spring; 605. a handle; 7. a card slot; 8. a heat dissipation mechanism; 801. a fixed block; 802. a heat dissipation cavity; 803. a connecting rod; 804. a card holder; 805. filtering with a screen; 806. an exhaust fan.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a brushless direct current motor assembly comprises a main body 1, an anti-collision mechanism 4, a base 5, a fixing mechanism 6 and a heat dissipation mechanism 8, wherein a rotating shaft 3 penetrates through the inside of the main body 1, a protective sleeve 2 is arranged at the top end of the rotating shaft 3, the anti-collision mechanism 4 is arranged on the outer wall of the main body 1, the anti-collision mechanism 4 comprises an anti-collision layer 401, a first spring 402 and a telescopic rod 403, the first spring 402 is uniformly arranged inside the anti-collision layer 401, the telescopic rods 403 are arranged inside the first spring 402, the first springs 402 are distributed inside the anti-collision layer 401 in an array mode, through holes which are inclined downwards are uniformly formed in the main body 1, the main body 1 extends into a clamping groove 7, collision often occurs in the process of storing and transporting the main body 1, at the moment, the anti-collision layer 401 on the outer surface of the main body 1 can play a role of relieving impact force, the first spring 402 compresses itself to absorb the impact force, the telescopic rod 403 in the first spring 402 can compress the first spring 402 directionally, so that the first spring 402 is prevented from being damaged, and the damage to the main body 1 can be greatly reduced after the first spring 402 absorbs the impact force, so that the main body 1 is protected from being damaged;

the bottom end of the main body 1 is provided with a base 5, the top of the base 5 is uniformly provided with clamping grooves 7, two sides inside the base 5 are provided with fixing mechanisms 6, each fixing mechanism 6 comprises a built-in groove 601, a baffle 602, a pull rod 603, two groups of second springs 604 and handles 605, the second springs 604 are fixed inside the built-in groove 601, the pull rods 603 are arranged inside the built-in grooves 601, the baffle 602 is fixed on the outer wall of each pull rod 603, the handles 605 are fixed on one side of each pull rod 603, the two groups of built-in grooves 601 are arranged, one end of each pull rod 603 extends into the main body 1, the handles 605 are pulled to drive the pull rods 603 to move, the second springs 604 are in a compressed state, the bottom end of the main body 1 moves along the clamping grooves 7 on the base 5, after the main body 1 completely enters, the through grooves at the bottom end of the main body 1 and the pull rods 603 are on the same horizontal plane, then, the handle 605 is released, so that the second spring 604 loses pressure and returns to the original state, the second spring 604 resets to drive the pull rod 603 to move, when the baffle 602 contacts with the inner wall of the built-in groove 601, the pull rod 603 stops moving, the pull rod 603 is clamped with the bottom end of the main body 1, and the main body 1 and the base 5 are fixed with each other;

a heat dissipation mechanism 8 is fixed on one side of the main body 1, the heat dissipation mechanism 8 comprises a fixing block 801, a heat dissipation cavity 802, a connecting rod 803, a clamping seat 804, a filter screen 805 and an exhaust fan 806, the heat dissipation cavity 802 is arranged inside the fixing block 801, the connecting rod 803 is fixed on the inner wall of the heat dissipation cavity 802, the exhaust fan 806 is fixed on one end of the connecting rod 803, the exhaust fan 806 can be CLFY-1100, the clamping seat 804 is fixed on one side of the connecting rod 803 on the inner wall of the heat dissipation cavity 802, the filter screen 805 is arranged on one side of the clamping seat 804, vent holes with inclined cross sections are uniformly formed inside the fixing block 801, a clamping structure is formed between the clamping seat 804 and the filter screen 805, a large amount of heat can be generated inside the main body 1 after long-time use, at the moment, the exhaust fan 806 rotates to accelerate the circulation of air, so that the inside and, thereby reduced the inside temperature of main part 1, the inside air discharge duct of fixed block 801 sets up to the slant downwards form, can prevent that outside water from getting into the inside of heat dissipation mechanism 8, and the inside filter screen 805 of heat dissipation chamber 802 can prevent that outside mosquito and dust from getting into in the main part 1 to certain safeguard function has been played.

The working principle is as follows: when the novel spring clamp is used, firstly, the handle 605 is pulled, the handle 605 drives the pull rod 603 to move, meanwhile, the second spring 604 is in a compressed state, the bottom end of the main body 1 moves along the clamping groove 7 on the base 5, after the novel spring clamp completely enters the novel spring clamp, the through groove at the bottom end of the main body 1 and the pull rod 603 are located on the same horizontal plane, then the handle 605 is loosened, the second spring 604 loses pressure and recovers to the original state, the second spring 604 resets to drive the pull rod 603 to move, when the baffle 602 is in contact with the inner wall of the built-in groove 601, the pull rod 603 stops moving, therefore, the pull rod 603 is clamped with the bottom end of the main body 1, and the main body 1 and the base;

afterwards, a large amount of heat can be generated in the main body 1 after long-time use, at the moment, the exhaust fan 806 rotates to accelerate the circulation of air, so that the inside and outside air of the main body 1 is continuously replaced, the heat is continuously discharged along with the air while the air is exchanged, and the temperature in the main body 1 is reduced;

finally, deposit and the in-process of transporting main part 1, often can collide, the anticollision layer 401 of main part 1 surface can play the effect of alleviating the impulsive force this moment, then remaining impulsive force can be transmitted on first spring 402, first spring 402 makes self compression and absorbs the impulsive force, the inside telescopic link 403 of first spring 402 can make the directional compression of first spring 402, the damage of first spring 402 has been avoided, just can reduce the damage to main part 1 by a wide margin after first spring 402 has absorbed the impulsive force, thereby protected main part 1 not damaged, the work of this brushless DC motor subassembly is finally accomplished.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. Brushless DC motor subassembly, including main part (1), anticollision mechanism (4), base (5), fixed establishment (6) and heat dissipation mechanism (8), its characterized in that: the utility model discloses a heat dissipation device of a vehicle, including main part (1), the inside of main part (1) runs through there is pivot (3), the top of pivot (3) is provided with lag (2), be provided with anticollision mechanism (4) on the outer wall of main part (1), the bottom of main part (1) is provided with base (5), the top of base (5) evenly is provided with draw-in groove (7), the inside both sides of base (5) all are provided with fixed establishment (6), one side of main part (1) is fixed with heat dissipation mechanism (8), heat dissipation mechanism (8) include fixed block (801), heat dissipation chamber (802), connecting rod (803), cassette (804), filter screen (805) and exhaust fan (806), the inside of fixed block (801) is provided with heat dissipation chamber (802), all be fixed with connecting rod (803) on the inner wall in heat dissipation chamber (802), the one end of connecting rod (803) all is fixed with exhaust fan, clamping seats (804) are fixed on one sides of the connecting rods (803) on the inner walls of the heat dissipation cavities (802), and filter screens (805) are arranged on one sides of the clamping seats (804).

2. The brushless dc motor assembly of claim 1, wherein: the anti-collision mechanism (4) comprises an anti-collision layer (401), first springs (402) and telescopic rods (403), wherein the first springs (402) are uniformly arranged inside the anti-collision layer (401), and the telescopic rods (403) are arranged inside the first springs (402).

3. The brushless dc motor assembly of claim 2, wherein: first spring (402) are the inside of array distribution in anticollision layer (401), slant decurrent through-hole has evenly been seted up in the inside of main part (1), main part (1) extends to the inside of draw-in groove (7).

4. The brushless dc motor assembly of claim 1, wherein: the fixing mechanism (6) comprises an internal groove (601), a baffle (602), a pull rod (603), a second spring (604) and a handle (605), the second spring (604) is fixed inside the internal groove (601), the pull rod (603) is arranged on the inner side of the second spring (604) inside the internal groove (601), the baffle (602) is fixed on the outer wall of the pull rod (603), and the handle (605) is fixed on one side of the pull rod (603).

5. The brushless dc motor assembly of claim 4, wherein: the built-in grooves (601) are provided with two groups, and one end of each pull rod (603) extends into the main body (1).

6. The brushless dc motor assembly of claim 1, wherein: the inside of fixed block (801) is evenly seted up the cross section and is the ventilation hole of inclined plane, constitute the block structure between cassette (804) and filter screen (805).

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