CN217282584U - Connection structure of brushless motor control circuit board - Google Patents
Connection structure of brushless motor control circuit board Download PDFInfo
- Publication number
- CN217282584U CN217282584U CN202220894713.7U CN202220894713U CN217282584U CN 217282584 U CN217282584 U CN 217282584U CN 202220894713 U CN202220894713 U CN 202220894713U CN 217282584 U CN217282584 U CN 217282584U
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- circuit board
- wall
- control circuit
- connection structure
- brushless motor
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Abstract
The utility model relates to a technical field of motor, more specifically says, it relates to a brushless motor control circuit board's connection structure, including insulating piece and the circuit board that sets up on the motor, insulating piece center has the through-hole, and the equipartition has a plurality of wire winding groups on its inner wall, and each wire winding group is outer along the pore wall that wall combination formed the through-hole, and the insulating piece includes up end and lower terminal surface, is equipped with two at least pothooks on the up end, and the concrete elasticity of this pothook is equipped with at least three support piece on the up end, is equipped with two at least grafting portions on the lower terminal surface, and circuit board center has the centre bore, sets up the breach of two at least and pothook adaptation on its periphery wall, the utility model discloses rational in infrastructure simple, the practicality is strong, and the relation of connection is simple, the motor heat dissipation of being convenient for.
Description
Technical Field
The utility model relates to a technical field of motor, more specifically say, it relates to a brushless motor control circuit board's connection structure.
Background
In order to prolong the service life of the motor, a brushless motor is produced, the efficiency is high, the energy consumption is low, but the cost of the brushless motor is higher than that of the traditional motor, and the brushless motor is externally connected with a controller.
In the field of massage instruments, brushless motors are becoming the mainstream. The control circuit board of current brushless motor and its insulating piece adopt be fixed connection when the combination, in order to guarantee stably, support the circuit board through the winding group on the insulating piece, lead to a lot of with the contact point of circuit board, because the winding group is used for winding the copper line, the motor during operation can produce very big heat, this kind of connected mode for the heat gathering is difficult for the heat dissipation in the inboard.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a connection structure of brushless motor control circuit board rational in infrastructure simple, the practicality is strong, and the relation of connection is simple, the motor heat dissipation of being convenient for.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a connection structure of a brushless motor control circuit board comprises an insulation sheet and a circuit board arranged on a motor,
the center of the insulating sheet is provided with a through hole, the inner wall of the insulating sheet is evenly distributed with a plurality of winding groups, the outer edge wall of each winding group is combined to form the hole wall of the through hole,
the insulating sheet comprises an upper end surface and a lower end surface, at least two clamping hooks are arranged on the upper end surface, at least three supporting pieces are arranged on the upper end surface, at least two inserting parts are arranged on the lower end surface,
the circuit board is provided with a central hole at the center, and the peripheral wall of the circuit board is provided with at least two notches matched with the clamping hooks.
The utility model discloses further set up to: the top end of the supporting piece is provided with a top part for supporting the circuit board, the end face of the top part is arc-shaped, and the length of the supporting piece is larger than that of the winding group.
The utility model discloses further set up to: the winding groups are provided with six winding groups, and an accommodating space is formed between every two adjacent winding groups.
The utility model discloses further set up to: the support piece is provided with six and is arranged between two adjacent winding groups.
The utility model discloses further set up to: the inside wall of support piece and the inner wall parallel and level of insulating piece.
The utility model discloses further set up to: the lateral wall of pothook and the periphery wall parallel and level of insulating piece.
The utility model discloses further set up to: the top is recessed with a recess dividing it into two support points.
The utility model discloses further set up to: convex strips are arranged on two corresponding side walls of the clamping hook, and a step part is formed between the top of each convex strip and the side wall of the clamping hook.
Contrast prior art not enough, the beneficial effects of the utility model are that:
the clamping hook is arranged on the insulating sheet, then the notch is arranged on the circuit board, and the detachable assembly of the insulating sheet and the circuit board is realized by utilizing the matching of the clamping hook and the notch.
The supporting piece is arranged on the insulating piece to support the circuit board, so that a gap is formed between the winding group and the circuit board, and the heat dissipation performance is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiment of the present invention will be further explained with reference to fig. 1.
The embodiment has the following specific structure: comprises an insulation sheet 1 and a circuit board 2 which are arranged on a motor,
the insulation sheet 1 has a through hole 10 at the center, six winding groups 11 are uniformly distributed on the inner wall, and an accommodating space 100 is formed between two adjacent winding groups 11. The outer edge walls of the winding groups 11 are combined to form the wall of the through hole.
Insulating piece 1 includes up end and lower terminal surface, is equipped with three pothook 3 on the up end, and 3 equipartitions of three pothook distribute on the outer edge side of 1 up end of insulating piece, and the periphery wall parallel and level of its lateral wall and insulating piece 1.
Convex strips 31 are arranged on two corresponding side walls of the hook 3, and a step part is formed between the top of the convex strip 31 and the side wall of the hook 3.
Six supporting pieces 4 are arranged on the upper end face of the insulating sheet 1 and are arranged between the two adjacent winding groups 11, and the inner side wall of each supporting piece 4 is flush with the inner wall of the insulating sheet 1.
The length of the support 4 is greater than the length of the winding group 11. So that gaps are formed between the six winding groups 11 and the circuit board 2.
The top end of the support 4 has a top portion 41 for supporting the circuit board 2, the end face of the top portion 41 having an arc shape, and the top portion is recessed downward with a recessed portion 40 for dividing the top portion into two supporting points. The circuit board 2 is manufactured by utilizing the two arc-shaped supporting points, so that the supporting stability is improved, and meanwhile, the airflow can pass through the concave part 40, and the heat dissipation effect is achieved.
Four inserting parts are arranged on the lower end face of the insulating sheet 1 and are used for being fixed with a motor stator.
The center of the circuit board 2 is provided with a central hole 20, the peripheral wall thereof is provided with three notches 21 matched with the hooks 3, and the notches 21 are square. When the buckle on insulating piece 1 was inserted along breach 21, hook portion on the pothook 3 can be hung on the up end of circuit board 2, and when the both sides wall of breach 21 and two lateral walls of pothook 3 were contradicted, the step portion can be pushing against the lower terminal surface of circuit board 2, further improves circuit board 2 installation stability.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (8)
1. The utility model provides a connection structure of brushless motor control circuit board, includes insulating piece and the circuit board that sets up on the motor, its characterized in that:
the center of the insulating sheet is provided with a through hole, a plurality of winding groups are uniformly distributed on the inner wall of the insulating sheet, the outer edge wall of each winding group is combined to form the hole wall of the through hole,
the insulating sheet comprises an upper end surface and a lower end surface, at least two hooks are arranged on the upper end surface, the hooks are elastic, at least three supporting pieces are arranged on the upper end surface, at least two inserting parts are arranged on the lower end surface,
the circuit board is provided with a central hole at the center, and the peripheral wall of the circuit board is provided with at least two notches matched with the clamping hooks.
2. The connection structure of a brushless motor control circuit board according to claim 1, characterized in that: the top end of the supporting piece is provided with a top part for supporting the circuit board, the end face of the top part is arc-shaped, and the length of the supporting piece is larger than that of the winding group.
3. The connection structure of the brushless motor control circuit board according to claim 2, wherein: the winding groups are provided with six winding groups, and an accommodating space is formed between every two adjacent winding groups.
4. The connection structure of the brushless motor control circuit board according to claim 3, wherein: the support piece is provided with six and is arranged between two adjacent winding groups.
5. The connection structure of the brushless motor control circuit board according to claim 2, wherein: the inside wall of support piece and the inner wall parallel and level of insulating piece.
6. The connection structure of the brushless motor control circuit board according to claim 2, wherein: the lateral wall of pothook and the periphery wall parallel and level of insulating piece.
7. The connection structure of the brushless motor control circuit board according to claim 2, wherein: the top is recessed with a recess dividing it into two support points.
8. The connection structure of the brushless motor control circuit board according to claim 6, wherein: convex strips are arranged on two corresponding side walls of the clamping hook, and a step part is formed between the top of each convex strip and the side wall of the clamping hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894713.7U CN217282584U (en) | 2022-04-18 | 2022-04-18 | Connection structure of brushless motor control circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220894713.7U CN217282584U (en) | 2022-04-18 | 2022-04-18 | Connection structure of brushless motor control circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217282584U true CN217282584U (en) | 2022-08-23 |
Family
ID=82875955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220894713.7U Active CN217282584U (en) | 2022-04-18 | 2022-04-18 | Connection structure of brushless motor control circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217282584U (en) |
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2022
- 2022-04-18 CN CN202220894713.7U patent/CN217282584U/en active Active
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