CN206948791U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN206948791U CN206948791U CN201720288356.9U CN201720288356U CN206948791U CN 206948791 U CN206948791 U CN 206948791U CN 201720288356 U CN201720288356 U CN 201720288356U CN 206948791 U CN206948791 U CN 206948791U
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- CN
- China
- Prior art keywords
- circuit board
- electric tool
- metallic plate
- tool
- depression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of electric tool of disclosure, including housing and the tool assembly for being mounted on the housing, the tool assembly includes power supply module and electric machine assembly, the housing includes the handle portion with handle chamber that assembling is formed, the tool assembly also includes the circuit board assemblies for being mounted on the handle chamber, the circuit board assemblies include the circuit board electrically connected with the power supply module and electric machine assembly and the metallic plate of logical with the circuit board thermal conductivity and almost parallel configuration, the metallic plate inner surface has depression, and the circuit board is contained in the depression in a thickness direction.Circuit board is located in independent handle portion by the electric tool, is separated with other parts such as batteries, reduction influences each other, and the setting of the metallic plate, not only circuit board assemblies is protected from structure, it helps heat is quickly discharged.
Description
Technical field
The application is related to electric tool, more particularly to the electric tool with circuit board.
Background technology
As the development of electric tool technology and the continuous extension of function are lifted, electric tool configuration on the market
Power it is increasing.But this change also brings many puzzlements and peace while user's greater demand is met
Full hidden danger, such as function element are all placed in adjacent region, and radiating is difficult and easily causes to influence each other, in addition, how tight
It is also a no small challenge that layout designs are carried out in the space gathered.
Therefore, it is necessary to improve to overcome technical problem present in prior art.
Utility model content
The heat dissipation for circuit board problem of the application mainly electric tool to be solved.
In order to solve the above technical problems, the application provides a kind of electric tool, including housing and it is mounted on the housing
Tool assembly, the tool assembly include power supply module and electric machine assembly, and what the housing included that assembling formed has handle chamber
Handle portion, the tool assembly also include being mounted on the circuit board assemblies of the handle chamber, the circuit board assemblies include with it is described
The metallic plate of the circuit board and logical with the circuit board thermal conductivity and almost parallel configuration of power supply module and electric machine assembly electrical connection,
The metallic plate inner surface has depression, and the circuit board is contained in the depression in a thickness direction.
Alternatively, the circuit board has power section and the control section for separating setting.
Alternatively, the circuit board assemblies are also fixed on metallic plate including one and flexibly externally protrude out in the handle portion
Switch.
Alternatively, the switch is fixed on metallic plate corresponding to control section, and the switch passes through with the control section
Connector is electrically connected.
Alternatively, the power section of the circuit board has heat-conducting glue or the heat conduction that thermal conductivity is passed to the metallic plate
Cotton.
Alternatively, the metallic plate corresponds to the position of the mounting post and is provided with resigning breach.
Alternatively, metal sheet outer surface corresponding to the power section has some heat radiating fins.
Alternatively, the depression of the metallic plate is filled with the sealing for coating the circuit board.
Alternatively, the power section includes power chip and FET, and the control section includes microcontroller
And amplifying circuit.
Alternatively, the metallic plate is aluminium, aluminium alloy, copper or copper alloy.
According to the application, circuit board is located in independent handle portion by the electric tool, with other parts such as battery
Separation, reduction is influenced each other, and the setting of the metallic plate, and not only circuit board assemblies are protected from structure, also had
Help heat quickly to discharge.
Brief description of the drawings
The detailed description of detailed description below is referred to reference to accompanying drawing, the application will be more fully appreciated.Wherein：
Fig. 1 shows a kind of dimensional structure diagram of electric tool of the application；
Fig. 2 shows the cross section structure diagram of electric tool in Fig. 1；
Fig. 3 shows the combining structure schematic diagram of circuit board assemblies in Fig. 2；
Fig. 4 shows the decomposition texture schematic diagram of circuit board assemblies in Fig. 3.
Embodiment
The embodiment of the application electric tool 100 is described in detail below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1 to Fig. 4, the specially wireless electric drill, including housing of electric tool 100 described in the present embodiment
10 and the tool assembly 20 of the housing 10 is mounted on, the housing 10 includes the handle portion with handle chamber 1011 that assembling is formed
101 (handle chamber 1011 is specifically formed by two semi-barrel shape part clampings of housing), the tool assembly 20 is also set including group
In the circuit board assemblies 201 of the handle chamber 1011, the circuit board assemblies 201 include and the power supply module 203 and group of motors
The circuit board 207 and the metallic plate 209 of logical with the thermal conductivity of circuit board 207 and almost parallel configuration that part 205 electrically connects, it is described
The inner surface of metallic plate 209 has depression 2091, and the depression 2091 typically passes through punching press or integrally casting shaping, naturally it is also possible to
Using other molding modes.The circuit board 207 is contained in the depression 2091 in a thickness direction.The electric tool 100
Circuit board 207 is located in independent handle portion 101, separated with other parts such as batteries, reduction influences each other, and described
Circuit board assemblies are not only protected by the setting of metallic plate 209 from structure, it helps heat is quickly discharged.Specifically,
The selection of metallic plate 209 can be aluminium, aluminium alloy, copper or copper alloy.
The handle portion 101 has the mounting post 1013 being arranged in the middle part of the handle chamber, and the circuit board assemblies 201 house
In the handle chamber 1011, the circuit board 207 has the power section 2071 separated out and control section 2073.The present embodiment
In, the power section 2071 and control section 2073 are separated by the mounting post 1013, and the power section 2071 is mainly wrapped
Include power chip and metal-oxide-semiconductor (FET) etc.；Control section 2073 mainly includes MCU (microcontroller) and amplification electricity
Road etc., the above-mentioned modularization to come that separates power section 2071 and control section 2073 improve, and have both been reduction of different letters
Interference between number, and the module of different heat amount is done and isolated.The circuit board assemblies 201 are also fixed on institute including one
State metallic plate 209 corresponding to control section 2073 and flexibly externally protrude out in the switch 208 of the handle portion 101.The switch 208
For signaling switch, the switch 208 is electrically connected with the control section 2073 by connector (not indicating).The switch
208 are directly mounted on the design of high-strength metal sheet 209, add the stability and bearing strength for switching this movable part, and
And switch 208 is installed on the metallic plate 209 entirely through buckle, with reference to the design that electrical connection is realized by connector, have
Preferable installation and convertibility.Certainly, in the case of some other, between the switch 208 and the control section 2073
Electrical connection can also be realized by cable or other forms.
The power section 2071 close to the circuit board assemblies 201 power supply module 203, directly to carry out at power
Reason, the control section close to the circuit board assemblies 201 electric machine assembly 205, so as to which the control signal is sent into electricity
Thermomechanical components 205 perform.The tool assembly 20 also includes the gear train 206 driven through electric machine assembly 205, and the housing 10 also wraps
Include the fuselage sections 103 for accommodating the electric machine assembly 205 and gear train 206.The corresponding mounting post 1013 of the metallic plate 209
Position be provided with resigning breach (not indicating).Because power section 2071 undertakes most energy conversion and consumption task, because
And belonging to the important heating part of circuit board 207, the power section 2071 has passes to leading for the metallic plate 209 by thermal conductivity
Hot glue or heat conduction cotton 204, the outer surface of metallic plate 209 corresponding to the power section 2071 also have some heat radiating fins 2093,
To realize quick heat radiating.
Above embodiment is merely to illustrate the application, and is not the limitation to the application.It is for example, above-mentioned specific real
To apply in mode, the circuit board assemblies 201 are only to be contained in the depression 2091 of the metallic plate 209, in fact, the depression
2091 after circuit board 207 is inserted, and can also be further filled with coating the sealing (not shown) of the circuit board 207.To sum up,
Those of ordinary skill about technical field, in the case where not departing from scope of the present application, can also make a variety of changes and
Modification, therefore all equivalent technical schemes fall within the category of the application, the scope of patent protection of the application should be wanted by right
Ask restriction.
Claims (10)
1. a kind of electric tool (100), including housing (10) and the tool assembly (20) for being mounted on the housing (10), the work
Tool component (20) includes power supply module (203) and electric machine assembly (205), and the housing (10) has handle chamber including what assembling was formed
(1011) handle portion (101), it is characterised in that：The tool assembly (20) also includes the electricity for being mounted on the handle chamber (1011)
Road board component (201), the circuit board assemblies (201) include electrically connecting with the power supply module (203) and electric machine assembly (205)
Circuit board (207) and logical with the circuit board (207) thermal conductivity and almost parallel configuration metallic plate (209), the metal
The inner surface of plate (209) has depression (2091), and the circuit board (207) is contained in the depression in a thickness direction
(2091)。
2. electric tool (100) according to claim 1, it is characterised in that the circuit board (207), which has, separates setting
Power section (2071) and control section (2073).
3. electric tool (100) according to claim 2, it is characterised in that the circuit board assemblies (201) also include one
The individual switch (208) for being fixed on metallic plate (209) and flexibly externally protruding out in the handle portion (101).
4. electric tool (100) according to claim 3, it is characterised in that the switch (208) is fixed on control section
(2073) metallic plate corresponding to (209), the switch (208) are electrically connected with the control section (2073) by connector
Connect.
5. electric tool (100) according to claim 2, it is characterised in that the power section of the circuit board (207)
(2071) there is heat-conducting glue or the heat conduction cotton (204) that thermal conductivity is passed to the metallic plate (209).
6. electric tool (100) according to claim 2, it is characterised in that the corresponding handle of the metallic plate (209)
The position of the mounting post (1013) in portion (101) is provided with resigning breach.
7. electric tool (100) according to claim 2, it is characterised in that golden corresponding to the power section (2071)
Category plate (209) outer surface has some heat radiating fins (2093).
8. electric tool (100) according to claim 1, it is characterised in that the depression (2091) of the metallic plate (209)
Filled with the sealing for coating the circuit board (207).
9. the electric tool (100) according to any one of claim 2-7, it is characterised in that the power section
(2071) power chip and FET are included, the control section (2073) includes microcontroller and amplifying circuit.
10. the electric tool (100) according to any one of claim 1-8, it is characterised in that the metallic plate (209)
For aluminium, aluminium alloy, copper or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288356.9U CN206948791U (en) | 2017-03-23 | 2017-03-23 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720288356.9U CN206948791U (en) | 2017-03-23 | 2017-03-23 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948791U true CN206948791U (en) | 2018-01-30 |
Family
ID=61357193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720288356.9U Active CN206948791U (en) | 2017-03-23 | 2017-03-23 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948791U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2571808A (en) * | 2018-03-09 | 2019-09-11 | Snap On Tools Corp | Handle support module |
| CN110446387A (en) * | 2018-05-04 | 2019-11-12 | C.&E.泛音有限公司 | Electronic unit |
| CN110571982A (en) * | 2018-06-06 | 2019-12-13 | 车王电子股份有限公司 | electric tool |
| CN114454114A (en) * | 2021-12-23 | 2022-05-10 | 宁波佰特工具有限公司 | Hand-held electric screwdriver |
-
2017
- 2017-03-23 CN CN201720288356.9U patent/CN206948791U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2571808A (en) * | 2018-03-09 | 2019-09-11 | Snap On Tools Corp | Handle support module |
| US20190275658A1 (en) * | 2018-03-09 | 2019-09-12 | Snap-On Incorporated | Handle Support Module |
| CN110238801A (en) * | 2018-03-09 | 2019-09-17 | 施耐宝公司 | Grip support module |
| TWI752294B (en) * | 2018-03-09 | 2022-01-11 | 美商施耐寶公司 | Tool and electronic module for tool |
| AU2020203604B2 (en) * | 2018-03-09 | 2022-03-17 | Snap-On Incorporated | Handle support module |
| GB2605086A (en) * | 2018-03-09 | 2022-09-21 | Snap On Tools Corp | Handle support module |
| GB2571808B (en) * | 2018-03-09 | 2022-10-12 | Snap On Incorporated | Handle support module |
| GB2605086B (en) * | 2018-03-09 | 2022-12-07 | Snap On Incorporated | Handle support module |
| CN110446387A (en) * | 2018-05-04 | 2019-11-12 | C.&E.泛音有限公司 | Electronic unit |
| CN110571982A (en) * | 2018-06-06 | 2019-12-13 | 车王电子股份有限公司 | electric tool |
| CN110571982B (en) * | 2018-06-06 | 2021-05-07 | 车王电子股份有限公司 | Electric tool |
| CN114454114A (en) * | 2021-12-23 | 2022-05-10 | 宁波佰特工具有限公司 | Hand-held electric screwdriver |
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| GR01 | Patent grant |