CN215897521U - Brushless motor circuit board mounting structure and brushless motor - Google Patents
Brushless motor circuit board mounting structure and brushless motor Download PDFInfo
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- CN215897521U CN215897521U CN202122177043.5U CN202122177043U CN215897521U CN 215897521 U CN215897521 U CN 215897521U CN 202122177043 U CN202122177043 U CN 202122177043U CN 215897521 U CN215897521 U CN 215897521U
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- circuit board
- brushless motor
- insulating base
- mounting structure
- interference
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Abstract
The utility model relates to the technical field of brushless motors, and particularly discloses a brushless motor circuit board mounting structure and a brushless motor, wherein the brushless motor circuit board mounting structure comprises an insulating base, a circuit board, a plurality of winding contact pins and electromagnetic anti-interference contact pins, wherein the circuit board and one end face of the insulating base are arranged at intervals; one end of each winding contact pin is fixedly connected with the insulating base, the other end of each winding contact pin is inserted into the circuit board and fixedly connected with the circuit board, and the winding contact pins are used for electrically connecting the windings connected with the winding contact pins with the circuit board; one end of the electromagnetic anti-interference contact pin is fixedly connected with the insulating base, the other end of the electromagnetic anti-interference contact pin is inserted into the circuit board and fixedly connected with the circuit board, and the electromagnetic anti-interference contact pin electrically connects the stator with the circuit board. The brushless motor circuit board mounting structure solves the problems of high manufacturing cost and long assembly time when the circuit board is fixed on the stator.
Description
Technical Field
The utility model relates to the technical field of brushless motors, in particular to a brushless motor circuit board mounting structure and a brushless motor.
Background
The brushless motor stator and the circuit board are generally installed in the current market in an interference fit mode through pins or the circuit board is clamped through a shell.
The use of pins and clamping by the housing to secure the circuit board to the stator increases the material cost and assembly time of the motor.
Moreover, the stator and the circuit board have electrical connection requirements, the stator winding and the circuit board need to be conducted, the electromagnetic anti-interference contact pin and the circuit board need to be conducted, an additional connecting piece is needed between the circuit board and the stator, and the material cost and the assembly time of the motor can be increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a brushless motor circuit board mounting structure and brushless motor to when fixing the circuit board in the correlation technique on the stator, there is the problem that manufacturing cost is high and assembly time is long.
On one hand, the utility model provides a brushless motor circuit board mounting structure, which comprises an insulating base and a circuit board, wherein the circuit board and one end face of the insulating base are arranged at intervals; the winding contact pins are fixedly connected with the insulating base at one end and fixedly connected with the circuit board at the other end, and the windings connected with the winding contact pins are electrically connected with the circuit board through the windings;
and one end of the electromagnetic anti-interference contact pin is fixedly connected with the insulating base, the other end of the electromagnetic anti-interference contact pin is inserted in the circuit board and fixedly connected with the circuit board, and the electromagnetic anti-interference contact pin electrically connects the stator with the circuit board.
As brushless motor circuit board mounting structure's optional technical scheme, still include a plurality of first locating part, it is a plurality of first locating part is followed a plurality of respectively the winding contact pin is kept away from the one end one-to-one cover of insulation base and is located the winding contact pin, first locating part with circuit board butt and with winding contact pin interference fit.
As an optional technical scheme of the brushless motor circuit board mounting structure, the brushless motor circuit board mounting structure further comprises a second limiting part, wherein the second limiting part is arranged on the electromagnetic anti-interference contact pin in a manner that one end of the electromagnetic anti-interference contact pin, which is far away from the insulating base, is sleeved on the electromagnetic anti-interference contact pin, and the second limiting part is abutted to the circuit board and is in interference fit with the electromagnetic anti-interference contact pin.
As an optional technical scheme of the brushless motor circuit board mounting structure, the brushless motor circuit board mounting structure further comprises a supporting column, wherein one end of the supporting column is fixedly connected with the insulating base, and the other end of the supporting column is abutted to the circuit board.
As an optional technical scheme of the brushless motor circuit board mounting structure, the supporting columns are arranged in a plurality, and the supporting columns are arranged at intervals along the circumferential direction of the insulating base.
As brushless motor circuit board mounting structure's optional technical scheme, still include a plurality of joint spare, it is a plurality of the joint spare is followed insulation base's circumference interval set up in insulation base and all with the circuit board joint.
As an optional technical scheme of the brushless motor circuit board mounting structure, the supporting columns are sleeved with the clamping pieces in a one-to-one correspondence mode.
As an optional technical scheme of the brushless motor circuit board mounting structure, the brushless motor circuit board mounting structure further comprises a plurality of first fixing columns, the first fixing columns are convexly arranged on one end face of the insulating base and are respectively sleeved on the plurality of winding contact pins, and the first fixing columns are in interference fit with the plurality of winding contact pins respectively.
As an optional technical scheme of the brushless motor circuit board mounting structure, the brushless motor circuit board mounting structure further comprises a second fixing column, wherein the second fixing column is convexly arranged on one end face of the insulating base and sleeved on the electromagnetic anti-interference contact pin, and the second fixing column is in interference fit with the electromagnetic anti-interference contact pin.
In another aspect, the present invention provides a brushless motor, including the brushless motor circuit board mounting structure in any one of the above aspects.
The utility model has the beneficial effects that:
the utility model provides a brushless motor circuit board mounting structure which comprises an insulating base, a circuit board, a plurality of winding contact pins and electromagnetic anti-interference contact pins, wherein the circuit board and one end face of the insulating base are arranged at intervals; one end of each winding contact pin is fixedly connected with the insulating base, the other end of each winding contact pin is inserted into the circuit board and fixedly connected with the circuit board, and the winding contact pins are used for electrically connecting the windings connected with the winding contact pins with the circuit board; one end of the electromagnetic anti-interference contact pin is fixedly connected with the insulating base, the other end of the electromagnetic anti-interference contact pin is inserted into the circuit board and fixedly connected with the circuit board, and the electromagnetic anti-interference contact pin electrically connects the stator with the circuit board. This brushless motor circuit board mounting structure is fixed in the circuit board interval on the insulating base through winding contact pin and electromagnetism anti-interference contact pin, and the one end and the winding of winding contact pin are connected in addition, and the other end is connected with the circuit board, and then makes the winding be connected with the circuit board electricity. Meanwhile, one end of the electromagnetic anti-interference contact pin is connected with the stator, the other end of the electromagnetic anti-interference contact pin is connected with the circuit board, and the stator is electrically connected with the circuit board. The structure improves the problems of high manufacturing cost and long assembly time when the circuit board is fixed on the stator.
Drawings
Fig. 1 is a schematic structural diagram of a brushless motor circuit board mounting structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a winding pin according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a battery anti-interference pin in an embodiment of the utility model.
In the figure:
100. a winding; 200. a stator 200;
1. an insulating base; 2. a circuit board; 3. a winding pin is inserted; 4. an electromagnetic anti-interference pin; 5. a first limit piece; 6. a second limiting member; 7. a support pillar; 8. a clamping piece; 9. a first fixed column; 10. and a second fixing column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present embodiment provides a brushless motor circuit board mounting structure, which includes an insulating base 1, a circuit board 2, a plurality of winding pins 3, and an electromagnetic anti-interference pin 4, where the circuit board 2 and one end surface of the insulating base 1 are arranged at an interval; one end of each winding pin 3 is fixedly connected with the insulating base 1, the other end of each winding pin is inserted into the circuit board 2 and fixedly connected with the circuit board 2, and the winding pins 3 electrically connect the windings 100 connected with the winding pins with the circuit board 2; one end of the electromagnetic anti-interference contact pin 4 is fixedly connected with the insulating base 1, the other end of the electromagnetic anti-interference contact pin is inserted into the circuit board 2 and fixedly connected with the circuit board 2, and the stator 200 is electrically connected with the circuit board 2 through the electromagnetic anti-interference contact pin 4. This brushless motor circuit board mounting structure is fixed in the circuit board 2 interval on insulating base 1 through winding contact pin 3 and electromagnetism anti-interference contact pin 4, and the one end of winding contact pin 3 is connected with winding 100 in addition, and the other end is connected with circuit board 2, and then makes winding 100 and circuit board 2 electricity be connected. Meanwhile, one end of the electromagnetic anti-interference pin 4 is connected with the stator 200, and the other end is connected with the circuit board 2, so that the stator 200 is electrically connected with the circuit board 2. This structure improves the problem that the manufacturing cost is high and the assembly time is long when the circuit board 2 is fixed to the stator 200.
Optionally, still include a plurality of first locating parts 5, a plurality of first locating parts 5 are respectively from a plurality of winding contact pins 3 keep away from the one end one-to-one cover of insulating base 1 and are located winding contact pin 3, first locating part 5 with circuit board 2 butt and with winding contact pin 3 interference fit. In this embodiment, the first limiting member 5 is used to prevent the circuit board 2 from moving in a direction away from the insulating base 1, and in this embodiment, the first limiting member 5 is a rubber member. In other embodiments, the first limiting member 5 may abut against the winding pin 3.
Optionally, the electromagnetic interference rejection pin circuit further comprises a second limiting part 6, the electromagnetic interference rejection pin 4 is sleeved at one end of the second limiting part 6, which is far away from the insulating base 1, from the electromagnetic interference rejection pin 4, and the second limiting part 6 is abutted to the circuit board 2 and is in interference fit with the electromagnetic interference rejection pin 4. In this embodiment, the second limiting member 6 is used to prevent the circuit board 2 from moving in a direction away from the insulating base 1, and in this embodiment, the second limiting member 6 is a rubber member. In other embodiments, the second limiting member 6 may abut against the electromagnetic immunity pin 4. The first limiting member 5 and the second limiting member 6 cooperate to limit the circuit board 2 from moving in a direction away from the insulating base 1.
Optionally, the device further comprises a supporting column 7, one end of the supporting column 7 is fixedly connected with the insulating base 1, and the other end of the supporting column 7 abuts against the circuit board 2. In this embodiment, the supporting posts 7 are used to space the circuit board 2 from the insulating base 1, so as to prevent the circuit board 2 from sliding toward the insulating base 1.
Preferably, the supporting column 7 is provided in plurality, and the plurality of supporting columns 7 are arranged at intervals along the circumferential direction of the insulation base 1. In this embodiment, the plurality of support posts 7 fix the relative position between the circuit board 2 and the insulating base 1 more stably. The problems of uneven stress, damage to the circuit board 2 and the like cannot occur.
Optionally, still include a plurality of joint spare 8, a plurality of joint spare 8 set up in insulating base 1 and all with circuit board 2 joint along insulating base 1's circumference interval. In this embodiment, the clamping member 8 restricts the circuit board 2 from sliding along the direction away from the insulating base 1, so that the circuit board 2 is always abutted to the plurality of support pillars 7.
Optionally, the plurality of supporting pillars 7 are sleeved on the plurality of clamping pieces 8 in a one-to-one correspondence manner. In this embodiment, the supporting column 7 is sleeved on the joint member 8, the force acting on the circuit board 2 and away from the direction of the insulating base 1 and the force acting on the circuit board 2 and away from the direction of the insulating base 1 are on the same straight line, and the directions of the lines are opposite. This arrangement prevents the circuit board 2 from being damaged due to uneven stress.
Optionally, still include a plurality of first fixed columns 9, a plurality of first fixed columns 9 are protruding to be located an terminal surface of insulating base 1 and are respectively overlapped and locate a plurality of winding contact pins 3, a plurality of first fixed columns 9 respectively with a plurality of winding contact pins 3 interference fit. In this embodiment, make 3 overcoat of winding contact pin be equipped with first fixed column 9, can prevent that winding contact pin 3 from being fixed insecure with insulating base 1, prevent that winding contact pin 3 from appearing rocking the phenomenon such as.
Optionally, the electromagnetic interference rejection pin fixing device further comprises a second fixing column 10, the second fixing column 10 is convexly arranged on one end face of the insulating base 1 and sleeved on the electromagnetic interference rejection pin 4, and the second fixing column 10 is in interference fit with the electromagnetic interference rejection pin 4. In this embodiment, make 4 overcoat of electromagnetism anti-interference contact pin be equipped with second fixed column 10, can prevent that electromagnetism anti-interference contact pin 4 from fixed insecure with insulating base 1, prevent that winding contact pin 3 from appearing rocking the phenomenon such as.
The embodiment also provides a brushless motor, which comprises the brushless motor circuit board mounting structure in the scheme.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A brushless motor circuit board mounting structure is characterized by comprising
An insulating base (1);
the circuit board (2), the circuit board (2) and one end face of the insulating base (1) are arranged at intervals;
one end of each winding contact pin (3) is fixedly connected with the insulation base (1), the other end of each winding contact pin (3) is inserted into the circuit board (2) and fixedly connected with the circuit board (2), and the winding (100) connected with the winding contact pins (3) is electrically connected with the circuit board (2);
electromagnetic anti-interference contact pin (4), electromagnetic anti-interference contact pin (4) one end with insulating base (1) rigid coupling, the other end insert locate circuit board (2) and with circuit board (2) rigid coupling, electromagnetic anti-interference contact pin (4) with stator (200) with circuit board (2) electricity is connected.
2. The brushless motor circuit board mounting structure according to claim 1, further comprising a plurality of first limiting members (5), wherein the plurality of first limiting members (5) are respectively sleeved on the winding pins (3) from one ends of the plurality of winding pins (3) far away from the insulating base (1) in a one-to-one correspondence manner, and the first limiting members (5) are abutted to the circuit board (2) and are in interference fit with the winding pins (3).
3. The brushless motor circuit board mounting structure according to claim 2, further comprising a second limiting member (6), wherein the second limiting member (6) is sleeved on the electromagnetic anti-interference pin (4) from an end of the electromagnetic anti-interference pin (4) far away from the insulating base (1), and the second limiting member (6) abuts against the circuit board (2) and is in interference fit with the electromagnetic anti-interference pin (4).
4. The brushless motor circuit board mounting structure according to claim 1, comprising a support pillar (7), wherein one end of the support pillar (7) is fixedly connected to the insulating base (1), and the other end abuts against the circuit board (2).
5. The brushless motor circuit board mounting structure according to claim 4, wherein the supporting column (7) is provided in plurality, and the plurality of supporting columns (7) are provided at intervals in a circumferential direction of the insulating base (1).
6. The brushless motor circuit board mounting structure according to claim 5, further comprising a plurality of engaging members (8), wherein the plurality of engaging members (8) are disposed on the insulating base (1) at intervals in a circumferential direction of the insulating base (1) and are engaged with the circuit board (2).
7. The brushless motor circuit board mounting structure according to claim 6, wherein the plurality of supporting posts (7) are fitted to the plurality of engaging members (8) in a one-to-one correspondence.
8. The brushless motor circuit board mounting structure according to any one of claims 1 to 7, further comprising a plurality of first fixing posts (9), wherein the plurality of first fixing posts (9) are protruded from one end surface of the insulating base (1) and respectively sleeved on the plurality of winding pins (3), and the plurality of first fixing posts (9) are respectively in interference fit with the plurality of winding pins (3).
9. The brushless motor circuit board mounting structure of claim 8, further comprising a second fixing post (10), wherein the second fixing post (10) is protruded from one end surface of the insulating base (1) and sleeved on the electromagnetic anti-interference pin (4), and the second fixing post (10) is in interference fit with the electromagnetic anti-interference pin (4).
10. A brushless motor comprising the brushless motor circuit board mounting structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122177043.5U CN215897521U (en) | 2021-09-09 | 2021-09-09 | Brushless motor circuit board mounting structure and brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122177043.5U CN215897521U (en) | 2021-09-09 | 2021-09-09 | Brushless motor circuit board mounting structure and brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897521U true CN215897521U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122177043.5U Active CN215897521U (en) | 2021-09-09 | 2021-09-09 | Brushless motor circuit board mounting structure and brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897521U (en) |
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2021
- 2021-09-09 CN CN202122177043.5U patent/CN215897521U/en active Active
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