CN219774393U - Brushless motor fan inserts structure - Google Patents

Abstract

The utility model provides a brushless motor fan insert structure, which relates to the technical field of insert structures and comprises a case, wherein a baffle is fixed at the bottom of the case, a bearing outer seat is rotated at the top of the baffle and positioned in the case, a cylinder is fixedly connected in the bearing outer seat, springs are fixedly connected at equal intervals in the center of the outer surface of the cylinder, limit base plates are fixedly connected at the other ends of the six springs, springs are respectively and fixedly connected with the outer surface of the cylinder, the other ends of the six springs are fixedly connected with the limit base plates, bearing holes are formed in the top of the cylinder, clamping grooves are formed in the outer arc surface of the bearing outer seat at equal intervals, and T-shaped plates are embedded in the clamping grooves. In the utility model, when the fan blade of the brushless motor fan is easy to damage after long-time use, the baffle plate and the fixed plate are removed, so that the effect of singly replacing the T-shaped plate and the fan blade can be achieved, and the effect of saving the replacement cost can be achieved.

Description

Brushless motor fan inserts structure

Technical Field

The utility model relates to the technical field of insert structures, in particular to a brushless motor fan insert structure.

Background

The motor part of the brushless electric tool is generally a brushless inner rotor motor or an outer rotor motor, and in order to ensure heat dissipation of the motor, the rotor of the brushless electric tool is provided with a fan, wherein for a heavy-load type or vibration type electric tool, the requirement on the matching of the fan and the rotor is higher due to the fact that the rotor starting torque is larger or the whole machine frequently vibrates.

When the fan blade of the existing brushless motor fan is easy to damage after long-time use, the whole fan blade is generally required to be replaced, and replacement of a single fan blade cannot be achieved, so that cost is wasted.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when the fan blades of a brushless motor fan are easy to damage after long-time use, the whole fan blades are usually required to be replaced, and the replacement of single fan blades cannot be realized, so that the cost is wasted.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a brushless motor fan inserts structure, includes the quick-witted case, the bottom of machine case is fixed with the baffle, the top of baffle just is located the quick-witted incasement bearing and rotates there is the outer seat of bearing, the inside fixedly connected with cylinder of outer seat of bearing, equidistant fixedly connected with spring in the outer surface center department of cylinder, six the equal fixedly connected with spacing backing plate of the other end of spring, the outer surface of cylinder is fixedly connected with spring respectively, six the other end and the spacing backing plate fixed connection of spring, the cylindrical top is equipped with the bearing hole, the draw-in groove has been seted up to the equidistant outer arc surface of outer seat of bearing, T template has all been embedded into to the inside of draw-in groove, the one end of T template is hugged closely with spacing backing plate respectively, the other end of T template is fixed with the flabellum, the top of outer seat of bearing is equipped with the fixed plate, the recess has been seted up to equidistant bottom of fixed plate, two lug and draw-in groove looks adaptation between the recess.

Preferably, four first screws penetrate through the bottom of the baffle at equal intervals, and the top ends of the four first screws are embedded into the bottom of the case and are in threaded connection with the bottom of the case.

Preferably, the outer surface of the cylinder is fixedly connected with a limiting telescopic rod which is positioned on the upper side and the lower side of the spring, and the other end of the limiting telescopic rod is fixedly connected with a side wall of the limiting base plate.

Preferably, three first screw holes are formed in the top of the fixing plate at equal intervals, three second screw holes are formed in the top of the bearing outer seat at equal intervals, second screws are embedded into the first screw holes, and the threaded ends of the second screws are embedded into the first screw holes and are in threaded connection with the first screw holes.

Preferably, the brushless motor fan insert structure according to claim, wherein: a plurality of radiating holes are formed in the surface of the baffle plate, and the radiating holes are equal in distance.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the fan blade of the brushless motor fan is easy to damage after long-time use, the baffle plate and the fixed plate are removed, so that the effect of singly replacing the T-shaped plate and the fan blade can be achieved, and the effect of saving the replacement cost can be achieved.

2. According to the utility model, the T-shaped plate and the fan blade can be limited by arranging the spring, the limiting telescopic rod and the limiting base plate, so that the effect of reducing vibration of the T-shaped plate and the fan blade in the rotating process can be achieved.

Drawings

Fig. 1 is a perspective view showing a brushless motor fan insert structure according to the present utility model;

FIG. 2 is a block diagram of a fan blade of a brushless motor fan insert structure according to the present utility model;

fig. 3 is a block diagram of a brushless motor fan insert structure according to the present utility model;

FIG. 4 is a schematic diagram showing a T-shaped board structure of a brushless motor fan insert structure according to the present utility model

Fig. 5 is a diagram showing the structure of the bearing outer seat of the insert structure of the brushless motor fan according to the present utility model;

fig. 6 is a block diagram of a fixing plate of a brushless motor fan insert structure according to the present utility model.

Legend description: 1. a chassis; 2. a baffle; 3. a heat radiation hole; 4. a first screw; 5. an outer bearing seat; 6. a cylinder; 7. a limiting telescopic rod; 8. a spring; 9. a limit backing plate; 10. a fan blade; 11. t-shaped plates; 12. a fixing plate; 13. a second screw; 14. a first screw hole; 15. a second screw hole; 16. a bearing hole; 17. a clamping groove; 18. a recess.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-6, the utility model provides a brushless motor fan insert structure, which comprises a case 1, a baffle plate 2 is fixed at the bottom of the case 1, a bearing outer seat 5 is rotatably arranged at the top of the baffle plate 2 and positioned in the case 1, a cylinder 6 is fixedly connected in the bearing outer seat 5, springs 8 are fixedly connected at the center of the outer surface of the cylinder 6 at equal intervals, limit backing plates 9 are fixedly connected at the other ends of the six springs 8, springs 8 are fixedly connected to the outer surface of the cylinder 6 respectively, the other ends of the six springs 8 are fixedly connected with the limit backing plates 9, bearing holes 16 are arranged at the top of the cylinder 6, clamping grooves 17 are uniformly arranged on the outer arc surface of the bearing outer seat 5 at equal intervals, T-shaped plates 11 are embedded in the inner parts of the clamping grooves 17, one ends of the T-shaped plates 11 are respectively clung to the limit backing plates 9, fan blades 10 are fixedly arranged at the other ends of the T-shaped plates 11, a fixed plate 12 is arranged at the top of the bearing outer seat 5, notches 18 are uniformly spaced at the bottom of the fixed plate 12, and protruding blocks between the two notches 18 are matched with the clamping grooves 17.

The effect that its whole embodiment 1 reaches is, be fixed with baffle 2 through the bottom of quick-witted case 1, can play the effect of stopping protection machine case 1 inner structure, the top of rethread baffle 2 just is located quick-witted case 1 inner bearing and rotates there is the bearing outer race 5, the inside fixedly connected with cylinder 6 of bearing outer race 5, can play the structure that makes quick-witted case 1 inner bearing outer race 5 and its inside carries out bearing rotation, equidistant fixedly connected with spring 8 in the surface center department of rethread cylinder 6, the equal fixedly connected with spacing backing plate 9 of the other end of six springs 8, the surface of cylinder 6 is fixedly connected with spring 8 respectively, the other end and the spacing backing plate 9 fixed connection of six springs 8, the top of cylinder 6 is equipped with bearing hole 16, the draw-in groove 17 has been seted up to the outer arc surface equidistant of bearing outer race 5, the inside of draw-in groove 17 has all been embedded T template 11, the one end of T template 11 is hugged closely with spacing backing plate 9 respectively, the other end of T template 11 is fixed with flabellum 10, can play the effect of spacing and shock attenuation to T11 axle and flabellum 10, the top through the top of bearing outer race 5 is equipped with fixed plate 12, the bottom of fixed plate 12 and two equidistant 18 of 18 that have the recess 18 can be equipped with between the corresponding recess of two inside of bearing outer race 5.

In the embodiment 2, as shown in fig. 1-6, four first screws 4 are penetrated at equal intervals at the bottom of the baffle plate 2, and the top ends of the four first screws 4 are embedded into the bottom of the case 1 and are in threaded connection with the bottom of the case 1; the outer surface of the cylinder 6 is fixedly connected with a limit telescopic rod 7 at the upper side and the lower side of the spring 8, and the other end of the limit telescopic rod 7 is fixedly connected with one side wall of a limit base plate 9; three first screw holes 14 are formed in the top of the fixed plate 12 at equal intervals, three second screw holes 15 are formed in the top of the bearing outer seat 5 at equal intervals, second screws 13 are embedded in the first screw holes 14, and the threaded ends of the second screws 13 are embedded in the first screw holes 14 and are in threaded connection with the first screw holes; the surface of the baffle plate 2 is provided with a plurality of heat dissipation holes 3, and the heat dissipation holes 3 are equally spaced.

The whole embodiment 2 achieves the effects that the baffle plate 2 can be fixed to the bottom of the case 1 by the bottom of the baffle plate 2 and the four first screws 4 are penetrated at equal intervals, and the top ends of the four first screws 4 are embedded into the bottom of the case 1 and are in threaded connection with the bottom of the case 1; the limiting telescopic rods 7 are fixedly connected to the outer surface of the cylinder 6 and positioned on the upper side and the lower side of the spring 8, and the other ends of the limiting telescopic rods 7 are fixedly connected with one side wall of the limiting base plate 9, so that the limiting base plate 9 can be used for supporting the T-shaped plate 11; three first screw holes 14 are formed in the top of the fixing plate 12 at equal intervals, three second screw holes 15 are formed in the top of the bearing outer seat 5 at equal intervals, second screws 13 are embedded in the first screw holes 14, and the threaded ends of the second screws 13 are embedded in the first screw holes 14 and are in threaded connection with the first screw holes, so that the fixing plate 12 can be fixed on the bearing outer seat 5 to limit internal parts of the bearing outer seat 5; the surface of the baffle plate 2 is provided with a plurality of heat dissipation holes 3, the heat dissipation holes 3 are equally spaced, and the effect of evenly dissipating heat in the chassis 1 can be achieved.

Working principle: when the flabellum 10 of brushless motor fan used for a long time takes place the damage easily, drive the inside result of quick-witted case 1 through rotating cylinder 6, the inside spacing telescopic link 7 of bearing outer race 5 carries out spacingly to spacing backing plate 9, spring 8 gives spacing backing plate 9 elasticity, spacing backing plate 9 blocks T template 11, thereby make when this structure can even and the heat dissipation of less noise when rotating the during operation, when the flabellum 10 of brushless motor fan used for a long time damages, accessible rotates first screw 4 and dismantles baffle 2, thereby can singly change T template 11 after dismantling second screw 13 and change flabellum 10.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides a brushless motor fan inserts structure, includes quick-witted case (1), its characterized in that: the bottom of machine case (1) is fixed with baffle (2), the top of baffle (2) and be located machine case (1) inner bearing rotation have bearing outer seat (5), the inside fixedly connected with cylinder (6) of bearing outer seat (5), equidistant fixedly connected with spring (8) in surface center department of cylinder (6), six the equal fixedly connected with spacing backing plate (9) of the other end of spring (8), the surface of cylinder (6) is fixedly connected with spring (8) respectively, six the other end and spacing backing plate (9) fixed connection of spring (8), draw-in groove (17) have been seted up to the top of cylinder (6) in the outer arc surface equidistant of bearing outer seat (5), draw-in groove (17) have all been embedded into in the inside of draw-in groove (17), the one end of T template (11) is hugged closely with spacing backing plate (9) respectively, the other end of T template (11) is fixed with flabellum (10), the top of bearing outer seat (5) is equipped with fixed plate (12), the bottom of fixed plate (12) has equidistant recess (18) between two recess (18).

2. A brushless motor fan insert structure as claimed in claim 1, wherein: the bottom of the baffle (2) is provided with four first screws (4) in an equidistant penetrating mode, and the tops of the four first screws (4) are embedded into the bottom of the case (1) and are in threaded connection with the case.

3. A brushless motor fan insert structure as claimed in claim 1, wherein: the outer surface of the cylinder (6) is fixedly connected with a limiting telescopic rod (7) which is positioned on the upper side and the lower side of the spring (8), and the other end of the limiting telescopic rod (7) is fixedly connected with a side wall of the limiting base plate (9).

4. A brushless motor fan insert structure as claimed in claim 1, wherein: three first screw holes (14) are formed in the top of the fixing plate (12) at equal intervals, three second screw holes (15) are formed in the top of the bearing outer seat (5) at equal intervals, second screws (13) are embedded into the first screw holes (14) at equal intervals, and threaded ends of the second screws (13) are embedded into the first screw holes (14) and are in threaded connection with the first screw holes.

5. A brushless motor fan insert structure as claimed in claim 1, wherein: a plurality of radiating holes (3) are formed in the surface of the baffle plate (2), and the radiating holes (3) are equally spaced.