CN203588857U - Switching device for electric tool - Google Patents
Switching device for electric tool Download PDFInfo
- Publication number
- CN203588857U CN203588857U CN201320772682.9U CN201320772682U CN203588857U CN 203588857 U CN203588857 U CN 203588857U CN 201320772682 U CN201320772682 U CN 201320772682U CN 203588857 U CN203588857 U CN 203588857U
- Authority
- CN
- China
- Prior art keywords
- wire
- circuit board
- conducting strip
- power tools
- switch devices
- 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.)
- Expired - Lifetime
Links
- 238000005192 partition Methods 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000003466 welding Methods 0.000 abstract description 6
- 238000002788 crimping Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000013536 elastomeric material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to an electric tool fitting, especially to a switching device for an electric tool. According to the switching device for an electric tool, a crimping terminal is detachably arranged on a circuit board. During assembling or overhauling process, it can be convenient to choose to weld a lead on a conducting strip or the crimping terminal is electrically connected with the conducting strip in a detachable way. Thus, assembling efficiency of the switching device for an electric tool is raised. In addition, connection between the lead and the conducting strip also can be completed without a welding tool, and the switching device is convenient to overhaul.
Description
Technical field
The utility model relates to electric tool accessory, relates in particular to switch devices for power tools.
Background technology
Electric tool is take the instrument that electric energy is the energy, and the electric tool of narrow sense generally refers to hand held electric tool, generally common are the instruments such as electronic planing tool, electric circular saw, hand held electric drill.Hand held electric tool is easy to use, thereby is used widely.
Electric tool switch device in prior art, it is safer when electric tool is used, generally all by circuit board, undertaken electric tool to control, switch is set on circuit board, operating personnel are indirectly operated the work of electric tool or are stopped by console switch, the connected mode of electric tool switch circuit board of the prior art and wire is generally welding, conducting strip is set on circuit board, wire bonds is on conducting strip, the operation when electric tool assembling or maintenance of this connected mode that makes circuit board and conduction is very inconvenient, if do not have soldering appliance just cannot complete the welding of wire and circuit board in maintenance process, therefore, adopt welding manner to make being connected between wire and circuit board have in use inconvenient deficiency.
Summary of the invention
The switch devices for power tools that the utility model provides, is intended to overcome in prior art between electric tool switch wire and circuit board the deficiency of inconvenient operation when adopting welding manner be connected maintenance or assemble.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: switch devices for power tools, comprise housing, be arranged on the circuit board in housing and be arranged on the switch on circuit board, described circuit board is provided with the conducting strip for being connected with wire, on described circuit board, by releasable connection mode, is provided with for making the pressure line terminal of wire and conducting strip good contact.
As preferably, described pressure line terminal comprises the terminal body being arranged on circuit board and is arranged in terminal body for compressing the line pressing bolt of wire, between described line pressing bolt and wire, be provided with for preventing the partition of line pressing bolt damage wire, because line pressing bolt is in compressing the operating process of wire, after contacting with wire, line pressing bolt to make line pressing bolt compress wire, must be further rotated line pressing bolt could compress wire, in rotary course, housing screw is easy to damage wire, by partition being set between line pressing bolt and wire, line pressing bolt does not directly contact with wire, effectively prevented line pressing bolt damage wire.
As preferably, described circuit board is provided with for the draw-in groove of terminal body is set, described terminal body is provided with the grab suitable with draw-in groove, by adopting draw-in groove and hook structure that terminal body is arranged on circuit board, terminal body and circuit board are easy to assembly, have improved the efficiency of assembling of switch devices for power tools.
As preferably, described circuit board is provided with the external thread column for being connected with terminal body, described terminal body is provided with the internal thread suitable with external thread column, described circuit board is provided with for preventing that screw thread overwinding from damaging the projection of circuit board, by employing, be threaded terminal body is arranged on circuit board, terminal body is connected reliable, easy to operate with circuit board, and on circuit board, be provided for preventing the projection of screw thread overwinding, effectively prevented screw thread overwinding and caused circuit board damage, made terminal body and circuit board assembling convenient.
As preferably, described line pressing bolt has two at least, and by least two line pressing bolt are set, line pressing bolt is fixing more reliable to circuit, has prevented wire and conducting strip loose contact, has extended the useful life of conducting strip.
As preferably, described partition is rotationally connected and is arranged in line pressing bolt, by partition is rotationally connected and is arranged in line pressing bolt, after unclamping line pressing bolt, partition moves the axis along line pressing bolt, make partition leave conducting strip, be convenient to wire assembling next time, improved the efficiency of assembling of electric tool switch device.
As preferably, described conducting strip is elastic sheet metal, described conducting strip be shaped as the circular arc that can make wire and conducting strip good contact, by being set, conducting strip is set to adopt elasticity to belong to the circular arc that sheet is made, wire can better be contacted with conducting strip, because conducting strip has elasticity, can play the locking effect of line pressing bolt simultaneously, further make wire contact reliably with conducting strip.
As preferably, the height of described projection equals the pitch of external thread column screw thread, height by projection is set to equal externally threaded pitch, terminal body in assembling process only after screw thread rotation puts in place with bump contact, more convenient to operate during the assembling of terminal body and circuit board.
As preferably, on described partition and conducting strip, be all provided with the decorative pattern for preventing that wire from skidding off, by preventing at partition and conducting strip setting the decorative pattern that wire skids off, wire is electrically connected to reliably with conducting strip, has extended the useful life of conducting strip.
As preferably, described housing is provided with the trough of being convenient to conductor wiring and the binding post of being convenient to the wiring of forceful electric power wire, by trough is set on housing, wire connects up convenient in housing, and after switch devices for power tools connected up, wire cabling in housing is succinct, easy access; By being set, binding post makes motor lines and power line easy-to-connect.
The switch devices for power tools that the utility model provides, tool has the following advantages: by pressure line terminal being adopted releasable connection mode be arranged on circuit board, in assembling or maintenance process, can select easily wire bonds on conducting strip or adopt pressure line terminal to be electrically connected to conducting strip by releasable connection mode, improved the efficiency of assembling of switch devices for power tools, and in the situation that there is no soldering appliance, also can complete being connected between wire and conducting strip, maintenance is convenient.
Accompanying drawing explanation
Accompanying drawing 1 is the cutaway view of the utility model switch devices for power tools,
Accompanying drawing 2 is schematic diagrames of the utility model embodiment mono-,
Accompanying drawing 3 is pressure line terminal structural representations in the utility model embodiment mono-,
Accompanying drawing 4 is pressure line terminal structural representations in the utility model embodiment bis-,
The structural representation of the utility model embodiment tri-on accompanying drawing 5,
Accompanying drawing 6 is pressure line terminal structural representations in the utility model embodiment tetra-,
Accompanying drawing 7 is that in the utility model embodiment tetra-, pressure line terminal penetrates the schematic diagram after wire.
Embodiment
Embodiment mono-
Below in conjunction with accompanying drawing, switch devices for power tools of the present utility model is described further.As Fig. 1, Fig. 2, shown in Fig. 3, switch devices for power tools, comprise housing 1, be arranged on the circuit board 3 in housing 1 and be arranged on the switch 2 on circuit board 3, described circuit board 3 can adopt screw to be arranged on housing 1, on circuit board 3, be provided for the through hole through screw, the screwed hole suitable with screw is set on housing 1, in assembling process, circuit board 3 is put in housing 1, and then wear screw and be fixed, described circuit board 3 is provided with the conducting strip 4 for being connected with wire 6, on described circuit board 3, by releasable connection mode, be provided with for making the pressure line terminal 5 of wire 6 and conducting strip 4 good contacts, described conducting strip 4 can be for being welded on the sheet metal on circuit board 3, also can be for being set directly at the lug plate on circuit board 3, described pressure line terminal 5 comprises the terminal body 51 being arranged on circuit board 3 and is arranged in terminal body 51 for compressing the line pressing bolt 52 of wire 6, between described line pressing bolt 52 and wire 6, be provided with for preventing the partition 53 of line pressing bolt 52 damage wires 6, because line pressing bolt 52 is in compressing the operating process of wire 6, line pressing bolt 52 will make line pressing bolt 52 compress wire 6 after contacting with wire 6, must be further rotated line pressing bolt 52 could compress wire 6, in rotary course, housing screw is easy to damage wire 6, by partition 53 being set between line pressing bolt 52 and wire 6, line pressing bolt 52 does not directly contact with wire 6, line pressing bolt 52 damage wires 6 have effectively been prevented.
Optionally, as shown in Figure 2, terminal body 51 can be connected on circuit board 3, be that circuit board 3 is provided with for the draw-in groove 31 of terminal body 51 is set, described terminal body 51 is provided with the grab 54 suitable with draw-in groove 31, by adopting draw-in groove 31 and grab 54 structures that terminal body 51 is arranged on circuit board 3, terminal body 51 is easy to assembly with circuit board 3, improved the efficiency of assembling of switch devices for power tools, on described circuit board 3, also at least two through holes can be set, described terminal body 51 is provided with the grab suitable with through hole 54, described grab 54 adopts elastomeric material to make, in assembling process, described grab 54 can produce certain strain while passing through through hole, grab 54 recovers by strain after through hole, thereby terminal body 51 is clamped on circuit board 3.
Optionally, as shown in Figure 3, in order to make the compression better effects if of line pressing bolt 52, described line pressing bolt 52 has two at least, by at least two line pressing bolt 52 are set, fixing of 52 pairs of circuit of line pressing bolt is more reliable, wire 6 and conducting strip 4 loose contacts have been prevented, extended the useful life of conducting strip 4, in operating process, described wire 6 should be positioned at the lower end of two line pressing bolt 52 simultaneously, after two line pressing bolt 52 lockings, should wire 6 be fixed on conducting strip 4 simultaneously, described line pressing bolt 52 also and 51 of terminal body elastomeric pad can also be further set, after line pressing bolt 52 lockings, elastomeric pad plays the effect of locking thread, further make wire 6 be connected with conduction reliable.
Optionally, as shown in Figure 3, described partition 53 is rotationally connected and is arranged in line pressing bolt 52, in order to make line pressing bolt 52 easy to operate, in each line pressing bolt 52, partition 53 should be set separately, described partition 53 is rotatably connected in line pressing bolt 52, be that line pressing bolt 52 partition 53 in rotary course can not rotate together with line pressing bolt 52, by partition 53 is rotationally connected and is arranged in line pressing bolt 52, unclamping the rear partition 53 of line pressing bolt 52 moves the axis along line pressing bolt 52, make partition 53 leave conducting strip 4, be convenient to wire assembling 6 next time, improved the efficiency of assembling of electric tool switch 2 devices.
Optionally, on described partition 53 and conducting strip 4, be all provided with the decorative pattern for preventing that wire 6 from skidding off, by preventing at partition 53 and conducting strip 4 settings the decorative pattern that wire 6 skids off, wire 6 is electrically connected to reliably with conducting strip 4, has extended the useful life of conducting strip 4.
Optionally, described housing 1 is provided with the trough of being convenient to wire 6 cablings and the binding post of being convenient to the wiring of forceful electric power wire, by trough being set on housing 1, wire 6 is convenient in the interior wiring of housing 1, and after switch devices for power tools connected up, wire 6 is succinct at the interior cabling of housing 1, easy access; By being set, binding post makes motor lines and power line easy-to-connect.
The present embodiment can directly be welded on wire 6 on conducting strip 4 in assembling process, also can wire 6 be pressed on conducting strip 4 by pressure line terminal 5, while adopting pressure line terminal 5 that wire 6 is pressed on conducting strip 4, first line pressing bolt 52 is unclamped, because being rotationally connected, partition 53 is arranged in line pressing bolt 52, line pressing bolt 52 partition 53 in release process leaves conducting strip 4 with line pressing bolt 52, then wire 6 is inserted between conducting strip 4 and partition 53, finally lock line pressing bolt 52 and complete being connected of wire 6 and conducting strip 4, fixing, because the pressure line terminal 5 in electric tool switch 2 devices in the utility model is that releasable connection mode is arranged on circuit board 3, when not needing to use pressure line terminal 5, pressure line terminal 5 can be pulled down, make as when assembling, due to self-contained, can directly wire 6 be welded on conducting strip 4, and then pressure line terminal 5 is arranged on circuit board 3, while overhauling in postorder use procedure or wire 6 and conducting strip 4 remove after being connected and when there is no welding equipment, can adopt pressure line terminal 5 that wire 6 is arranged on conducting strip 4, use very convenient.
Embodiment bis-
The difference of the present embodiment and embodiment mono-is: as shown in Figure 4, described conducting strip 4 is elastic sheet metal, being shaped as of described conducting strip 4 can make the circular arc of wire 6 and conducting strip 4 good contacts, be that described conducting strip 4 is made by elastomeric material, and the shape of conducting strip 4 is circular arc, conducting strip 4 in the present embodiment should be welded on circuit board 3, by arranging, be set to adopt elasticity to belong to the circular arc that sheet is made conducting strip 4, wire 6 can better be contacted with conducting strip 4, simultaneously because conducting strip 4 has elasticity, can play the locking effect of line pressing bolt 52, further make wire 6 contact with conducting strip 4 reliably, adopt the conducting strip 4 in the present embodiment can replace the elastomeric pad in embodiment mono-, make electric tool switch 2 tool constructions simple, easy to use.
The technical scheme of the present embodiment also can be set to partition 53 to have circular arc and have flexible partition 53, be the circular arc that is shaped as of partition 53, shape by partition 53 is set to circular arc makes conducting strip 4 simple in structure, can adopt the conducting strip 4 passing through, the structure of circuit board 3 is also simplified, when the structure of circuit board 3 allows to adopt circular arc conducting strip 4, also conducting strip 4 and partition 53 all can be set to circular arc.
Embodiment tri-
The difference of the present embodiment and above-described embodiment is: as shown in Figure 5, described circuit board 3 is provided with the external thread column 32 for being connected with terminal body 51, described terminal body 51 is provided with the internal thread suitable with external thread column 32, described circuit board 3 is provided with for preventing that screw thread overwinding from damaging the projection 33 of circuit board 3, by employing, be threaded terminal body 51 is arranged on circuit board 3, terminal body 51 is connected with circuit board 3 reliably, easy to operate, and on circuit board 3, be provided for preventing that the projection 33 of screw thread overwinding from effectively having prevented screw thread overwinding and having caused circuit board 3 to damage, make terminal body 51 convenient with circuit board 3 assemblings, the height of described projection 33 equals the pitch of external thread column 32 screw threads, height by projection 33 is set to equal externally threaded pitch, terminal body 51 only contacts with projection 33 in assembling process after screw thread rotation puts in place, it is more convenient to operate when terminal body 51 is assembled with circuit board 3, in order to make pressure line terminal 5 and circuit board 3 be more prone to assembling, described projection 33 can adopt elastomeric material to make, be that projection 33 has certain elasticity, because projection 33 has certain elasticity, when terminal body 51 coordinates with circuit board 3, assemble convenient.
Embodiment tetra-
The difference of the present embodiment and embodiment mono-is: as Fig. 6, shown in Fig. 7, terminal body 51 is provided with the wiring hole for cross-under wire 6, conducting strip 4 is positioned at wiring hole, conducting strip 4 adopts elastomeric materials to make and has an arc-shaped structure, while not having wire 6 to pass in wiring hole, this conducting strip 4 contacts with through wires hole inwall, in the time of need to making conducting strip 4 be electrically connected to wire 6, directly wire 6 is inserted in through wires hole, utilize the strain of conducting strip 4 to compress wire 6, in the present embodiment because the strain of profit this conducting strip 4 only compresses wire 6, in order to make wire 6 and conducting strip 4 good contacts, described conducting strip 4 should have enough elasticity, decorative pattern is set on the face that also can contact with wire 6 at conducting strip 4 to be skidded off to prevent wire 6, the present embodiment utilizes the strain of conducting strip 4 to compress wire 6, further make wire 6 convenient with conducting strip 4 attended operations, improved the efficiency of assembling of switch devices for power tools.
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all modifications of making based on the technology of the present invention content, variation or substitute technology feature, all should be covered by the technology category of claims opinion of the present invention.
Claims (10)
1. switch devices for power tools, comprise housing (1), be arranged on the circuit board (3) in housing (1) and be arranged on the switch (2) on circuit board (3), it is characterized in that: described circuit board (3) is provided with the conducting strip (4) for being connected with wire, described circuit board (3) is upper to be provided with for making the pressure line terminal (5) of wire and conducting strip (4) good contact by releasable connection mode.
2. switch devices for power tools according to claim 1, it is characterized in that: described pressure line terminal (5) comprises the terminal body (51) being arranged on circuit board (3) and be arranged on terminal body (51) upper for compressing the line pressing bolt (52) of wire, between described line pressing bolt (52) and wire, be provided with for preventing the partition (53) of line pressing bolt (52) damage wire.
3. switch devices for power tools according to claim 2, it is characterized in that: described circuit board (3) is provided with the draw-in groove (31) for terminal body (51) are set, described terminal body (51) is provided with the grab (54) suitable with draw-in groove (31).
4. switch devices for power tools according to claim 2, it is characterized in that: described circuit board (3) is provided with the external thread column (32) for being connected with terminal body (51), described terminal body (51) is provided with the internal thread suitable with external thread column (32), and described circuit board (3) is provided with for preventing that screw thread overwinding from damaging the projection (33) of circuit board (3).
5. switch devices for power tools according to claim 4, is characterized in that: the height of described projection (33) equals the pitch of external thread column (32) screw thread.
6. switch devices for power tools according to claim 2, is characterized in that: described line pressing bolt (52) has two at least.
7. switch devices for power tools according to claim 2, is characterized in that: described partition (53) is rotationally connected and is arranged in line pressing bolt (52).
8. switch devices for power tools according to claim 2, is characterized in that: described conducting strip (4) is elastic sheet metal, described conducting strip (4) be shaped as the circular arc that can make wire and conducting strip (4) good contact.
9. switch devices for power tools according to claim 2, is characterized in that: on described partition (53) and conducting strip (4), be all provided with the decorative pattern for preventing that wire from skidding off.
10. switch devices for power tools according to claim 1, is characterized in that: described housing (1) is provided with the trough of being convenient to conductor wiring and the binding post of being convenient to the wiring of forceful electric power wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772682.9U CN203588857U (en) | 2013-11-28 | 2013-11-28 | Switching device for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772682.9U CN203588857U (en) | 2013-11-28 | 2013-11-28 | Switching device for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588857U true CN203588857U (en) | 2014-05-07 |
Family
ID=50586732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772682.9U Expired - Lifetime CN203588857U (en) | 2013-11-28 | 2013-11-28 | Switching device for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659304A (en) * | 2015-02-11 | 2015-05-27 | 天地融科技股份有限公司 | Electronic equipment and battery connecting method |
-
2013
- 2013-11-28 CN CN201320772682.9U patent/CN203588857U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659304A (en) * | 2015-02-11 | 2015-05-27 | 天地融科技股份有限公司 | Electronic equipment and battery connecting method |
| CN108281599A (en) * | 2015-02-11 | 2018-07-13 | 天地融科技股份有限公司 | Electronic equipment and cell connecting method |
| CN108281599B (en) * | 2015-02-11 | 2020-09-15 | 天地融科技股份有限公司 | Electronic device and battery connection method |
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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: 20140507 |