CN212183324U - Brushless motor structure - Google Patents
Brushless motor structure Download PDFInfo
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- CN212183324U CN212183324U CN202020771415.XU CN202020771415U CN212183324U CN 212183324 U CN212183324 U CN 212183324U CN 202020771415 U CN202020771415 U CN 202020771415U CN 212183324 U CN212183324 U CN 212183324U
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- handle
- control panel
- brushless motor
- rotor
- motor structure
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Abstract
The utility model relates to an electric circular saw technical field, concretely relates to brushless motor structure. The utility model discloses a brushless motor structure includes: the first handle assembly comprises a first connecting part, and one end of the first connecting part is provided with an air inlet; the second handle component comprises a second connecting part detachably connected with the first connecting part, and one end of the second connecting part is provided with an air outlet; the motor, the motor includes rotor and control panel, and the rotor setting is provided with the fan in the space between first handle subassembly and the second handle subassembly and on the rotor, and the control panel setting is in air intake department, and the fan setting is in air outlet department. Through setting up the control panel in air intake department, the fan sets up in air outlet department, and the fan rotates and makes to form the atmospheric pressure difference between air intake and the air outlet, drives on cold air flows the control panel from the air intake to constantly absorb the heat of electronic component on the control panel.
Description
Technical Field
The utility model relates to an electric circular saw technical field, concretely relates to brushless motor structure.
Background
The electric circular saw is a tool which takes a motor as power and drives a circular saw blade to saw through a transmission mechanism, and has the characteristics of safety, reliability, reasonable structure, high working efficiency and the like.
Be provided with brushless motor in the electric circular saw, the motor rotates and can drive the saw bit and rotate and carry out the sawing operation, and the control panel thermal diffusivity of motor is not good among the current brushless motor structure, and electronic component on the control panel need choose for use higher grade, and the control panel thermal diffusivity is not good makes motor life lower, extravagant more cost. And the existing brushless motor structure is inconvenient to overhaul or replace the motor and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the control panel thermal diffusivity of motor is not good among the current brushless motor structure at least, and inconvenient overhauls or changes the motor. The purpose is realized by the following technical scheme:
the utility model provides a brushless motor structure, brushless motor structure includes:
the first handle assembly comprises a first connecting part, and one end of the first connecting part is provided with an air inlet;
the second handle component comprises a second connecting part detachably connected with the first connecting part, and one end of the second connecting part is provided with an air outlet;
the motor comprises a rotor and a control panel, the rotor is arranged in a space between the first handle assembly and the second handle assembly, a fan is arranged on the rotor, the control panel is arranged at the air inlet, and the fan is arranged at the air outlet.
According to the utility model discloses an among the brushless motor structure, through setting up the control panel in air intake department, the fan sets up air outlet department, the fan rotates and makes to form the atmospheric pressure difference between air intake and the air outlet, drives on cold air flows the control panel from the air intake to constantly absorb electronic component's on the control panel heat, improve the stability of control panel, can reduce electronic component's the grade of chooseing for use. And first connecting portion can be dismantled with the second connecting portion and be connected, are convenient for overhaul or change the motor, and it is more convenient to use.
In addition, according to the utility model discloses a brushless motor structure still can have following additional technical characterstic:
in some embodiments of the present invention, a clamping member is disposed on the first connecting portion corresponding to the air inlet;
the joint spare passes through support piece setting and is in air intake department, the control panel is installed support piece with between the joint spare.
In some embodiments of the present invention, the clamping member includes a plurality of clamping pieces, and the clamping pieces are a plurality of along the circumferential uniform distribution of the air inlet.
In some embodiments of the present invention, the control board is provided with a tangent plane and a side surface, the tangent plane is located between the adjacent side surfaces, and the clamping piece includes a first clamping portion and a second clamping portion;
the first clamping portion is attached to the tangent plane, and the second clamping portion is attached to the side face.
The utility model discloses an in some embodiments, be provided with the connecting piece on the second connecting portion, be provided with on the first connecting portion with the through-hole that the connecting piece matches, first connecting portion wear to establish through the fastener the through-hole with the connecting piece is connected.
In some embodiments of the present invention, the motor further comprises a brushless stator coupled to the rotor, the other end of the first connecting portion is provided with a first cavity, the other end of the second connecting portion is provided with a second cavity, and the brushless stator is located in the space between the first cavity and the second cavity.
In some embodiments of the present invention, the rotor is provided with a rotor shaft, one end of the rotor shaft is inserted into the brushless stator, and the other end of the rotor shaft is provided with the fan.
In some embodiments of the present invention, the first connecting portion is provided with a first handle, the second connecting portion is provided with a second handle, and the second handle is connected to the first handle in a clamping manner.
In some embodiments of the present invention, the brushless motor structure further comprises a battery pack connector, the battery pack connector being connected to the brushless stator;
the battery pack connector is characterized in that a first accommodating groove is formed in the first handle, a second accommodating groove matched with the first accommodating groove is formed in the second handle, and the battery pack connector is located in a space formed by the first accommodating groove and the second accommodating groove.
In some embodiments of the present invention, the brushless motor structure further includes a fan housing, and the fan housing is connected to the first connection portion.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a structural schematic view of a brushless motor structure according to an embodiment of the present invention;
FIG. 2 schematically illustrates an exploded view of FIG. 1;
fig. 3 schematically illustrates a structural view of a first handle assembly in a brushless motor structure according to an embodiment of the present invention;
fig. 4 schematically illustrates a structural view of a second handle assembly in a brushless motor structure according to an embodiment of the present invention;
fig. 5 schematically shows a structural schematic diagram of a control board and a clamping sheet in a brushless motor structure according to an embodiment of the present invention.
The reference numerals in the drawings denote the following:
1: a fan housing; 2: a control panel; 3: a first handle assembly; 4: a brushless stator; 5: a rotor; 6: a battery pack plug connector; 7: a second handle assembly; 8: a fan;
21: cutting into noodles; 22: a side surface; 31: a support member; 32: a clip sheet; 33: a first connection portion; 34: a first handle; 35: a first accommodating groove; 36: a first clamping part; 37: a second clamping part; 71: a connecting member; 72: a second connecting portion; 73: a second handle; 74: and a second accommodating groove.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, the brushless motor structure in the present embodiment includes: a motor, a first handle assembly 3 and a second handle assembly 7; the motor comprises a rotor 5 and a control panel 2, the first handle assembly 3 comprises a first connecting part 33, one end of the first connecting part 33 is provided with an air inlet, the other end of the first connecting part 33 is provided with a first cavity, and the control panel 2 is arranged at the air inlet; the second handle assembly 7 comprises a second connecting portion 72 detachably connected with the first connecting portion 33, an air outlet is formed in one end of the second connecting portion 72, a second cavity is formed in the other end of the second connecting portion 72, and the fan 8 is arranged at the air outlet. The rotor 5 is arranged in the space between the first handle component and the second handle component, the fan 8 is arranged on the rotor 5, and the control board 2 is connected with the brushless stator 4 of the motor.
Specifically, the air inlet is directly communicated with the outside, so that the air inlet amount entering the first connecting portion 33 and the second connecting portion 72 is increased, and the electronic components on the control board 2 can be rapidly cooled.
Through setting up control panel 2 in air intake department, fan 8 sets up in air outlet department, and fan 8 rotates and makes to form the atmospheric pressure difference between air intake and the air outlet, drives on cold air flows control panel 2 from the air intake to constantly absorb electronic component's on the control panel 2 heat, improve control panel 2's stability, can reduce electronic component's the grade of chooseing for use. And first connecting portion 33 and second connecting portion 72 can be dismantled and be connected, are convenient for overhaul or change the motor, and it is more convenient to use.
As shown in fig. 3, in some embodiments of the present invention, a clamping member is disposed on the first connecting portion 33 corresponding to the air inlet;
the joint passes through support piece 31 and sets up in air intake department, and control panel 2 installs between support piece 31 and joint. The joint spare sets up along the axis direction of first connecting portion 33, is convenient for with control panel 2 card in air intake department. The clamping piece can be of an integrated or split structure, the integrated clamping piece comprises a single clamping sheet 32, and the single clamping sheet 32 surrounds and forms a space for fixing the control panel 2.
In some embodiments of the present invention, the clip member includes a plurality of clip pieces 32, and the plurality of clip pieces 32 are uniformly distributed along the circumferential direction of the air inlet. The joint spare includes a plurality of joint pieces 32, and the joint spare is split type, can alleviate the weight of whole brushless motor structure. The provision of the plurality of snap pieces 32 enables the control panel 2 to be more stably fixed at the air inlet.
As shown in fig. 5, in some embodiments of the present invention, the control board 2 is provided with a tangent plane 21 and side surfaces 22, the tangent plane 21 is located between adjacent side surfaces 22, and the clip sheet 32 includes a first clip portion 36 and a second clip portion 37;
the first clamping portion 36 is attached to the cutting surface 21, and the second clamping portion 37 is attached to the side surface 22. Control panel 2 is the rectangle, and tangent plane 21 is located control panel 2's four corners, and first joint portion 36 is angle setting with second joint portion 37, and the angle between first joint portion 36 and the second joint portion 37 is unanimous with the angle between tangent plane 21 and the side 22. The shape of the latch 32 is designed to conform to the shape of the four corners of the control board 2, so that the control board 2 can be easily latched to the latch 32 according to the shape of the control board 2.
As shown in fig. 4, in some embodiments of the present invention, a connecting member 71 is disposed on the second connecting portion 72, a through hole matching with the connecting member 71 is disposed on the first connecting portion 33, and the first connecting portion 33 is connected to the connecting member 71 by passing through the through hole through a fastener. The first connecting portion 33 and the second connecting portion 72 are detachably connected by a fastener, so that the motor in the first space and the second space can be replaced or maintained by removing the fastener when the motor is replaced.
In some embodiments of the present invention, the motor further comprises a brushless stator 4 mated with the rotor 5, the brushless stator 4 being located in the space between the first cavity and the second cavity.
In some embodiments of the present invention, the rotor 5 is provided with a rotor 5 shaft, one end of the rotor 5 shaft is inserted into the brushless stator 4, and the other end of the rotor 5 shaft is provided with the fan 8. To facilitate rotation of the fan 8, the diameter of the fan 8 is smaller than the diameter of the brushless stator 4.
In some embodiments of the present invention, the first connecting portion 33 is provided with a first handle 34, the second connecting portion 72 is provided with a second handle 73, and the second handle 73 is connected to the first handle 34. The first handle 34 and the second handle 73 can be clamped by a protrusion, a groove and the like, so that the handles can be assembled conveniently.
In some embodiments of the present invention, the brushless motor structure further comprises a battery pack connector 6, the battery pack connector 6 being connected to the brushless stator 4;
be provided with first holding tank 35 on the first handle 34, be provided with the second holding tank 74 with first holding tank 35 matching on the second handle 73, battery package plug connector 6 is located the space that first holding tank 35 and second holding tank 74 formed. With battery package plug connector 6 grafting on the handle, the battery package plug connector 6 of being convenient for is connected with the battery package, can supply power convenient to use to brushless stator 4.
In some embodiments of the present invention, the brushless motor structure further includes a fan housing 1, and the fan housing 1 is connected to the first connection portion 33. Be provided with the arch on the first connecting portion 33, be provided with the slot that matches with the arch on the fan housing 1, be convenient for fan housing 1 detachable through arch and slot and connect on first connecting portion 33, when needs inspection or maintenance control panel 2, can open fan housing 1 for it is more convenient to use.
The utility model discloses an among the brushless motor structure, control panel 2 passes through first joint portion 36 and the 37 joints of second joint portion of joint piece 32 in air intake department, connects through first connecting portion 33 and second connecting portion 72, and rotor 5 drives fan 8 and rotates in being located the motor in space between first cavity and the second cavity for form the atmospheric pressure difference between air intake and the air outlet, drive cold air from the air intake flow to control panel 2 on, dispel the heat to control panel 2. The fan housing 1 is detachably arranged on the first connecting portion 33, so that the fan housing 1 can be conveniently opened to dissipate heat or maintain the control panel 2.
To sum up, the utility model discloses an among the brushless motor structure, through setting up control panel 2 in air intake department, fan 8 sets up in air outlet department, and fan 8 rotates and makes to form the atmospheric pressure difference between air intake and the air outlet, drives on cold air flows control panel 2 from the air intake to constantly absorb electronic component's on control panel 2 heat, improve control panel 2's stability, can reduce electronic component's the grade of chooseing for use. And first connecting portion 33 and second connecting portion 72 can be dismantled and be connected, are convenient for overhaul or change the motor, and it is more convenient to use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A brushless motor structure, comprising:
the first handle assembly comprises a first connecting part, and one end of the first connecting part is provided with an air inlet;
the second handle component comprises a second connecting part detachably connected with the first connecting part, and one end of the second connecting part is provided with an air outlet;
the motor comprises a rotor and a control panel, the rotor is arranged in a space between the first handle assembly and the second handle assembly, a fan is arranged on the rotor, the control panel is arranged at the air inlet, and the fan is arranged at the air outlet.
2. The brushless motor structure of claim 1, wherein the first connection portion is provided with a snap-in member corresponding to the air inlet;
the joint spare passes through support piece setting and is in air intake department, the control panel is installed support piece with between the joint spare.
3. The brushless motor structure of claim 2, wherein the engaging member includes a plurality of engaging pieces, and the plurality of engaging pieces are uniformly distributed along a circumferential direction of the air inlet.
4. The brushless electric machine structure of claim 3, wherein the control board is provided with a cut surface and side surfaces, the cut surface is located between the adjacent side surfaces, and the engagement piece comprises a first engagement portion and a second engagement portion;
the first clamping portion is attached to the tangent plane, and the second clamping portion is attached to the side face.
5. The brushless motor structure of claim 1, wherein the second connecting portion is provided with a connecting member, the first connecting portion is provided with a through hole matching with the connecting member, and the first connecting portion is connected with the connecting member by a fastening member passing through the through hole.
6. The brushless motor structure of claim 1, further comprising a brushless stator mated to the rotor, the other end of the first connection portion being provided with a first cavity, the other end of the second connection portion being provided with a second cavity, the brushless stator being located in the space between the first cavity and the second cavity.
7. The brushless motor structure of claim 6, wherein the rotor is provided with a rotor shaft, one end of the rotor shaft is inserted into the brushless stator, and the other end of the rotor shaft is provided with the fan.
8. The brushless motor structure of claim 6, wherein the first connecting portion is provided with a first handle, the second connecting portion is provided with a second handle, and the second handle is connected with the first handle in a clamping manner.
9. The brushless electric machine structure of claim 8, further comprising a battery pack connector, the battery pack connector being connected to the brushless stator;
the battery pack connector is characterized in that a first accommodating groove is formed in the first handle, a second accommodating groove matched with the first accommodating groove is formed in the second handle, and the battery pack connector is located in a space formed by the first accommodating groove and the second accommodating groove.
10. The brushless motor structure of claim 1, further comprising a fan housing, the fan housing being connected to the first connection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020771415.XU CN212183324U (en) | 2020-05-11 | 2020-05-11 | Brushless motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020771415.XU CN212183324U (en) | 2020-05-11 | 2020-05-11 | Brushless motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212183324U true CN212183324U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020771415.XU Active CN212183324U (en) | 2020-05-11 | 2020-05-11 | Brushless motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212183324U (en) |
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2020
- 2020-05-11 CN CN202020771415.XU patent/CN212183324U/en active Active
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