CN203103149U - Electric tool switch with MOS (Metal Oxide Semiconductor) transistor - Google Patents
Electric tool switch with MOS (Metal Oxide Semiconductor) transistor Download PDFInfo
- Publication number
- CN203103149U CN203103149U CN 201320103007 CN201320103007U CN203103149U CN 203103149 U CN203103149 U CN 203103149U CN 201320103007 CN201320103007 CN 201320103007 CN 201320103007 U CN201320103007 U CN 201320103007U CN 203103149 U CN203103149 U CN 203103149U
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- China
- Prior art keywords
- mos transistor
- semiconductor
- oxide
- electric tool
- metal
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- Expired - Lifetime
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Abstract
The utility model discloses an electric tool switch with an MOS (Metal Oxide Semiconductor) transistor. The electric tool switch is provided with a stand, wherein a cavity of the stand is internally provided with an MOS transistor; a heat radiating fin is sleeved above the MOS transistor; a speed-regulating circuit board is arranged below the MOS transistor; a machine cover is covered beside the MOS transistor above the stand; and a screw is fixed in a screw cavity arranged in the stand after sequentially passing through a screw hole of the heat radiating fin, a screw hole of the machine cover, a screw hole of the MOS transistor, a hole of a connecting plate and a nut. The utility model provides a novel electric tool switch with an MOS transistor, so that the normal function of the MOS transistor is achieved, meanwhile, the size of the switch is greatly reduced, the cost is lowered to a certain extent, and the reliability of the MOS transistor is also improved.
Description
Technical field
The utility model relates to a kind of electric tool switch with metal-oxide-semiconductor.
Background technology
Its metal-oxide-semiconductor of some electric tool switchs (being MOSFET) common on the market directly is welded on the fin of switch external usually, causes volume of switch bigger.
The utility model content
Technical problem to be solved in the utility model is: a kind of electric tool switch with metal-oxide-semiconductor is provided, and it is volume required effectively to reduce switch.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electric tool switch with metal-oxide-semiconductor, has support, in the cavity of described support metal-oxide-semiconductor is installed, described metal-oxide-semiconductor top is with fin, described metal-oxide-semiconductor below is equipped with the alignment circuit plate, the side that described support top is positioned at metal-oxide-semiconductor is stamped cover, and screw passes the hole, nut of screw hole, the brace of screw hole, the metal-oxide-semiconductor of screw hole, the cover of fin successively, the screw chamber that is provided with in support is fixed.
The beneficial effects of the utility model are: the utility model provides a kind of electric tool switch of new installation metal-oxide-semiconductor, make metal-oxide-semiconductor make that when satisfying normal function volume of switch is reduced significantly, cost also to a certain degree reduction and improved the reliability of metal-oxide-semiconductor.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial cutaway schematic of A-A among Fig. 1;
Among the figure: 1, fin, 5, cover, 6, support, 9, the alignment circuit plate, 10, screw, 11, metal-oxide-semiconductor, 12, brace, 13, nut
Fig. 3 is an exploded perspective view of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
Shown in Figure 2 as Fig. 1, a kind of electric tool switch with metal-oxide-semiconductor, has support 6, metal-oxide-semiconductor 11 is installed in the cavity of support 6, metal-oxide-semiconductor 11 tops are with fin 1, metal-oxide-semiconductor 11 belows are equipped with alignment circuit plate 9, and the side that support 6 tops are positioned at metal-oxide-semiconductor 11 is stamped cover 5, and screw 10 passes the hole, nut 12 of screw hole, the brace 12 of screw hole, the metal-oxide-semiconductor 11 of screw hole, the cover 5 of fin 1 successively, the screw chamber that is provided with in support 6 is fixed.
The utility model provides a kind of electric tool switch of new installation metal-oxide-semiconductor, makes metal-oxide-semiconductor make that when satisfying normal function volume of switch is reduced significantly, cost also to a certain degree reduction and improved the reliability of metal-oxide-semiconductor.
Claims (1)
1. the electric tool switch that has metal-oxide-semiconductor, it is characterized in that: have support (6), metal-oxide-semiconductor (11) is installed in the cavity of described support (6), described metal-oxide-semiconductor (11) top is with fin (1), described metal-oxide-semiconductor (11) below is equipped with alignment circuit plate (9), the side that described support (6) top is positioned at metal-oxide-semiconductor (11) is stamped cover (5), and screw (10) passes the hole, nut (13) of screw hole, the brace (12) of screw hole, the metal-oxide-semiconductor (11) of screw hole, the cover (5) of fin (1) successively, the screw chamber that is provided with in support (6) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320103007 CN203103149U (en) | 2013-03-07 | 2013-03-07 | Electric tool switch with MOS (Metal Oxide Semiconductor) transistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320103007 CN203103149U (en) | 2013-03-07 | 2013-03-07 | Electric tool switch with MOS (Metal Oxide Semiconductor) transistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103149U true CN203103149U (en) | 2013-07-31 |
Family
ID=48854535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320103007 Expired - Lifetime CN203103149U (en) | 2013-03-07 | 2013-03-07 | Electric tool switch with MOS (Metal Oxide Semiconductor) transistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165306A (en) * | 2013-03-07 | 2013-06-19 | 张家港华捷电子有限公司 | Electric tool switch with metal oxide semiconductor (MOS) transistor |
-
2013
- 2013-03-07 CN CN 201320103007 patent/CN203103149U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165306A (en) * | 2013-03-07 | 2013-06-19 | 张家港华捷电子有限公司 | Electric tool switch with metal oxide semiconductor (MOS) transistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |