CN202502920U - Direct-current electric tool switch - Google Patents
Direct-current electric tool switch Download PDFInfo
- Publication number
- CN202502920U CN202502920U CN2012201806168U CN201220180616U CN202502920U CN 202502920 U CN202502920 U CN 202502920U CN 2012201806168 U CN2012201806168 U CN 2012201806168U CN 201220180616 U CN201220180616 U CN 201220180616U CN 202502920 U CN202502920 U CN 202502920U
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- CN
- China
- Prior art keywords
- switch
- outlet terminal
- current electric
- switch base
- direct current
- 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 - Fee Related
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Abstract
The utility model relates to a direct-current electric tool switch, and mainly solves a problem that a reversing lever can not stay relatively stably at a position where a limiting button is pressed and thereby affecting the operational performance of a direct-current electric tool. The direct-current electric tool switch comprises a switch seat, a button, a push lever and a reversing lever, wherein the switch seat consists of an upper seat body and a lower seat body; the reversing lever is mounted on the switch seat and is capable of rotating relative to the switch seat; the push lever is mounted on the switch seat and one end of the push lever is exposed from the inside of the switch seat; and the button is in plug connection with the push lever. The reversing lever possesses a positive rotation shift position, a reverse rotation shift position and a middle shift position. The reversing lever is also provided with a positioning lever which is provided with a protrusion. A groove is disposed at a position on the switch seat and the position being relative to the protrusion. The groove matches the protrusion on the positioning lever of the middle shift position.
Description
Technical field
The utility model relates to a kind of switch, relates in particular to a kind of direct current electric power tools switch.
Background technology
Direct current electric power tools switch in the market comprises accessories such as the switch base be made up of upper pedestal and lower base, button, push rod, reversing bar, outlet terminal one, outlet terminal two, input terminal, wiring board.This switch base has the characteristics of two group outputs.Wherein, button is fixed on an end of push rod, and when pushing button, button drives push rod and moves and make this switch closure form path, when unclamping button then push rod drive the button reset enable switch and break off forming and open circuit.Reversing bar can and have three location points with respect to the switch base rotation; One of them position can make the motor forward rotation of direct current electric power tools; Another position can make the motor backward rotation of direct current electric power tools; Between these two positions, also have a position to be used to limit button and press, prevent the misoperation starting electric tool with the limit switch closure.The reversing bar of this structure direct current drive switch can switch to motor forward rotation or the counter-rotational position that makes direct current electric power tools when being positioned at the closed position of limit switch easily; Can not reach reversing bar and more stably rest on the position that the restriction button is pressed, influence the serviceability of direct current electric power tools.
Summary of the invention
In order to overcome disadvantages of background technology, the utility model provides a kind of direct current electric power tools switch, and it can make reversing bar more stably rest on the position that the restriction button is pressed.
The technical scheme that the utility model adopts is a kind of direct current electric power tools switch; Comprise switch base, button, push rod, reversing bar; Switch base is made up of upper pedestal and lower base, and reversing bar is installed on the switch base and reversing bar can rotate relative to switch base, and push rod is installed on the switch base and an end of push rod exposes in switch base; Button and push rod are pegged graft, and said reversing bar has just changes gear positions, counter-rotating gear positions, middle gear positions; On said reversing bar, also be provided with backstay, on said backstay, be provided with convexity, on said switch base, be provided with groove with said protruding opposite position, said groove be positioned in the middle of gear positions backstay protruding suitable.
On the basis of such scheme and as the preferred version of such scheme: on said reference column, be provided with projection, in said button, be provided with groove, this groove and projection are suitable.
On the basis of such scheme and as the preferred version of such scheme: also comprise input and output terminals one, electrode slice and positioning bar; Said electrode slice be installed on the switch base and an end of electrode slice adjacent with said outlet terminal one; Said positioning bar is arranged on the said upper pedestal, and said positioning bar forms roof pressure with said outlet terminal one, said electrode slice and cooperates.
On the basis of such scheme and as the preferred version of such scheme: also comprise outlet terminal two, fore-set; Said outlet terminal two is installed on the lower base; Said fore-set is arranged on the said upper pedestal, and said fore-set forms roof pressure with outlet terminal two and cooperates.
On the basis of such scheme and as the preferred version of such scheme: on said lower base, be provided with the outlet terminal chamber that is used to install outlet terminal one; This outlet terminal chamber is stepped; The shape of said outlet terminal one and said outlet terminal chamber are suitable, make between said outlet terminal one and the said outlet terminal two to have the gap.
On the basis of such scheme and as the preferred version of such scheme: also comprise the dustproof piece that is the boss shape, said dustproof piece is installed on the said switch base and said dustproof piece and said push rod socket.
On the basis of such scheme and as the preferred version of such scheme: also comprise the wiring board that is installed in the switch base, on said wiring board, being provided with the illuminating lamp wiring hole and being provided with on switch base that illuminating lamp unwrapping wire hole is used for through lead is that illuminating lamp provides power supply.
The utility model compared with prior art its beneficial effect is: the utility model is through increasing a reference column and convexity being set above that on original reversing bar; Correspondingly on switch base, be provided with groove; When reversing bar is positioned at the centre gear positions; Convexity matches with groove, and the restriction reversing bar is to just changeing the biased commentaries on classics of gear or anti-converting.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the internal structure sketch map of the utility model.
Fig. 3 is the structural representation of the upper pedestal of the utility model.
Fig. 4 is the reversing bar of the utility model and the structural representation of backstay.
Fig. 5 is the structural representation of the button of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Like Fig. 1, shown in Figure 2; A kind of direct current electric power tools switch of the utility model comprises switch base 3, button 4, push rod 5, reversing bar 6, and switch base 3 is made up of upper pedestal 1 and lower base 2; Reversing bar is installed on the switch base and reversing bar can rotate relative to switch base; Push rod is installed on the switch base and an end of push rod exposes in switch base, and button and push rod are pegged graft, and said reversing bar has just changes gear positions, counter-rotating gear positions, middle gear positions; On said reversing bar, also be provided with backstay 7, on said backstay, be provided with protrudingly 8, on said switch base, be provided with groove (figure is last not to be shown) with said protruding opposite position, said groove be positioned in the middle of gear positions backstay protruding suitable.Existing direct current electric power tools often has the function of forward and backward, and it realizes that through rotating reversing bar the motor steering of direct current electric power tools switches.In order to prevent that this direct current electric power tools misoperation from rotating, reversing bar has three gears, is promptly just changeing gear, counter-rotating gear, middle gear, in the middle of reversing bar is positioned at during gear positions then the projection of reversing bar press over against limiting button with the convex tendon of button.The utility model is through increasing a reference column and convexity being set above that on original reversing bar; Correspondingly on switch base, be provided with groove; When reversing bar is positioned at the centre gear positions; Protruding match with groove, the restriction reversing bar is to just changeing the biased commentaries on classics of gear or anti-converting, thereby realizes making reversing bar more stably to rest on the purpose of centre gear positions.
In order to realize that reversing bar has the function of two-way location, on said reference column, be provided with projection 9, in said button, be provided with groove 18, this groove and projection are suitable.
For output connection one is stabilized in the switch base, prevent output connection one in welding or rock when stressed, the utility model also comprises the said outlet terminal of input 1, electrode slice 11 and positioning bar 12.Wherein, outlet terminal one, electrode slice and prior art are as good as here and repeat no more.Said electrode slice be installed on the switch base and an end of electrode slice adjacent with said outlet terminal one, said positioning bar is arranged on the said upper pedestal, said positioning bar forms roof pressure with said outlet terminal one, said electrode slice and cooperates.
For output connection one is stabilized in the switch base; Prevent that output connection one is in welding or rock when stressed; Also comprise outlet terminal 2 13, fore-set 14; Said outlet terminal two is installed on the lower base, and said fore-set is arranged on the said upper pedestal, and said fore-set forms roof pressure with outlet terminal two and cooperates.
For the ease of outlet terminal one and outlet terminal two are installed; It can be loaded in the switch base when device step by step; On said lower base, be provided with the outlet terminal chamber 18 that is used to install outlet terminal one; This outlet terminal chamber is stepped, and the shape of said outlet terminal one and said outlet terminal chamber are suitable, makes between said outlet terminal one and the said outlet terminal two to have the gap.
In order to reach the dustproof purpose, also comprise the dustproof piece 15 that is the boss shape, said dustproof piece is installed on the said switch base and said dustproof piece and said push rod socket.In order to reach the dustproof purpose, it adopts pancake rubber sheet gasket and is installed in the switch base it and rubber sheet gasket and push rod socket in the prior art.And the utility model adopts the dustproof piece of boss shape, has increased the contact area of dustproof piece and switch base, prevents that more effectively dust from getting in the switch base.
For make electric tool can also be as the power supply of illuminating lamp so that in environment with dark light, use, also comprise the wiring board that is installed in the switch base, itself and prior art are as good as.On said wiring board, being provided with illuminating lamp wiring hole 16 and being provided with on switch base that illuminating lamp unwrapping wire hole 17 is used for through lead is that illuminating lamp provides power supply.
Present embodiment should not be regarded as the restriction to the utility model, but any improvement of doing based on the spirit of the utility model, all should be within the protection range of the utility model.
Claims (7)
1. direct current electric power tools switch; Comprise switch base, button, push rod, reversing bar; Switch base is made up of upper pedestal and lower base, and reversing bar is installed on the switch base and reversing bar can rotate relative to switch base, and push rod is installed on the switch base and an end of push rod exposes in switch base; Button and push rod are pegged graft, and said reversing bar has just changes gear positions, counter-rotating gear positions, middle gear positions; It is characterized in that: on said reversing bar, also be provided with backstay, on said backstay, be provided with convexity, on said switch base, be provided with groove with said protruding opposite position, said groove be positioned in the middle of gear positions backstay protruding suitable.
2. direct current electric power tools switch according to claim 1 is characterized in that: on said reference column, be provided with projection, in said button, be provided with groove, this groove and projection are suitable.
3. direct current electric power tools switch according to claim 1; Be characterised in that altogether: also comprise input and output terminals one, electrode slice and positioning bar; Said electrode slice be installed on the switch base and an end of electrode slice adjacent with said outlet terminal one; Said positioning bar is arranged on the said upper pedestal, and said positioning bar forms roof pressure with said outlet terminal one, said electrode slice and cooperates.
4. direct current electric power tools switch according to claim 3; It is characterized in that: also comprise outlet terminal two, fore-set; Said outlet terminal two is installed on the lower base, and said fore-set is arranged on the said upper pedestal, and said fore-set forms roof pressure with outlet terminal two and cooperates.
5. direct current electric power tools switch according to claim 4; It is characterized in that: on said lower base, be provided with the outlet terminal chamber that is used to install outlet terminal one; This outlet terminal chamber is stepped; The shape of said outlet terminal one and said outlet terminal chamber are suitable, make between said outlet terminal one and the said outlet terminal two to have the gap.
6. direct current electric power tools switch according to claim 1 is characterized in that: also comprise the dustproof piece that is the boss shape, said dustproof piece is installed on the said switch base and said dustproof piece and said push rod socket.
7. according to each described direct current electric power tools switch of claim 1-6; It is characterized in that: also comprise the wiring board that is installed in the switch base, on said wiring board, being provided with the illuminating lamp wiring hole and being provided with on switch base that illuminating lamp unwrapping wire hole is used for through lead is that illuminating lamp provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201806168U CN202502920U (en) | 2012-04-25 | 2012-04-25 | Direct-current electric tool switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201806168U CN202502920U (en) | 2012-04-25 | 2012-04-25 | Direct-current electric tool switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502920U true CN202502920U (en) | 2012-10-24 |
Family
ID=47039528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201806168U Expired - Fee Related CN202502920U (en) | 2012-04-25 | 2012-04-25 | Direct-current electric tool switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202502920U (en) |
-
2012
- 2012-04-25 CN CN2012201806168U patent/CN202502920U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20160425 |