CN201242949Y - Safe locking structure of electric tool switch - Google Patents
Safe locking structure of electric tool switch Download PDFInfo
- Publication number
- CN201242949Y CN201242949Y CNU2008201201718U CN200820120171U CN201242949Y CN 201242949 Y CN201242949 Y CN 201242949Y CN U2008201201718 U CNU2008201201718 U CN U2008201201718U CN 200820120171 U CN200820120171 U CN 200820120171U CN 201242949 Y CN201242949 Y CN 201242949Y
- Authority
- CN
- China
- Prior art keywords
- switch
- push button
- electric tool
- locking structure
- switch push
- 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
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a safe locking structure for an electric tool switch, which provides the switch push button capable of being stopped and locked by an electric tool having good safety performance and being capable of preventing boot-strap due to misoperation through aiming at insufficiency that security risks exist in a push button type switch of the existing hand-held electric tool during use. The Electric tool switch safe locking structure comprises a switch seat, a switch push button and a pull rod; wherein, the switch seat, the switch push button and the pull rod are arranged on a machine casing of the electric tool; the switch push button comprises a switch push button body, a bolt and a connecting rod; the bolt is arranged at the front side of the switch push button body; the bottom of the switch push button body is provided with the connecting rod; the switch seat has a trough-shaped structure; the switch seat is provided with a stopping buckle and a locking buckle; the locking buckle is positioned at the rear side of the stopping buckle; the switch push button is arranged in the switch seat; and the connecting rod on the switch push button is connected with the pull rod. The stopping buckle can adopt the structural mode of a stopping trough or a stopping convex block in the electric tool switch safe locking structure; and the locking buckle can adopt the structural mode of a locking trough or a locking convex block.
Description
Technical field
The utility model relates to the hand held electric tool field, particularly a kind of electric tool switch safety locking structure.
Background technology
Push-button type switch on the existing hand held electric tool is to adopt the monodirectional locking structure, promptly only is provided with a back stop slot or a retaining projection that prevents that shift knob from retreating on the electric tool casing.In use, when when pointing forward the pull switch push button, utilize the dead bolt of switch push button front end to be stuck in the back stop slot that is located on the electric tool casing or realize the locking switch push button on the retaining projection, thereby finish the action of connecting the circuit start; When the toggle switch push button, when back stop slot that the dead bolt of switch push button front end is left be located on the electric tool casing or retaining projection, switch push button retreats under the returning spring effect, the switch powered-down that resets.Though the push-button type switch on the existing hand held electric tool has characteristics easily; but exist the weak point of potential safety hazard; particularly when unskilled operator when using existing hand held electric tool; take place to start shooting through regular meeting, cause and accidentally injure I or other people injury accident because of misoperation.
Summary of the invention
The utility model is at the in use existing above-mentioned weak point that potential safety hazard is arranged of the push-button type switch on the existing hand held electric tool, provide a kind of security performance good, can prevent a kind of electric tool switch safety locking structure of starting shooting because of misoperation.
The technical solution adopted in the utility model is finished in the following way: a kind of electric tool switch safety locking structure, it is made up of the switch base, switch push button and the pull bar that are located on the electric tool casing, wherein, switch push button is made up of switch push button body, dead bolt and connecting rod, dead bolt is located at switch push button body front side, and connecting rod is located at switch push button body bottom; Switch base is a bathtub construction, is provided with retaining button and tab on switch base, and tab is positioned at the rear side of retaining button; Switch push button is contained in the switch base, and connecting rod and pull bar on the switch push button join.
In above-mentioned electric tool switch safety locking structure, be located at the version that retaining button on the switch base can adopt back stop slot or retaining projection, be located at the version that tab on the switch base can adopt lock slots or lock tab.
During use, when the dead bolt of switch push button is stuck in retaining when buckling, switch is in to be connected and lock-out state; When the dead bolt of switch push button left the retaining button, switch push button resetted under spring action, the switch deenergization, and this moment, switch was in the deenergization state; When the dead bolt of switch push button was stuck on the tab, switch push button was in the state of safety locking, had avoided starting shooting because of unskilled operator's misoperation.
The utility model is compared with the push-button type switch on the existing hand held electric tool, and it is good to have security performance, can prevent the characteristics of starting shooting because of misoperation.The utility model is suitable as the switch on all kinds of hand held electric tools, is particularly suitable as the mains switch on the hand electric polisher.
Description of drawings
Fig. 1 is the structural representation of the utility model electric tool switch safety locking structure embodiment 1.
Fig. 2 is the structural representation of the utility model electric tool switch safety locking structure embodiment 2.
Embodiment
Contrast accompanying drawing below, the utility model is described in further detail by embodiment.
With reference to accompanying drawing 1, a kind of electric tool switch safety locking structure, it is made up of the switch base 4, switch push button 3 and the pull bar 2 that are located on the electric tool casing 1, wherein, switch push button 3 is made up of switch push button body 301, dead bolt 302 and connecting rod 303, and switch push button body 301, dead bolt 302 and connecting rod 303 are an integral body, and dead bolt 302 is located at switch push button body 301 front sides, connecting rod 303 is located at switch push button body 301 bottoms, and the afterbody of switch push button body 301 is tilted upward; Switch base 4 is a bathtub construction, is provided with back stop slot 101 and lock slots 102 on switch base 4, and lock slots 102 is positioned at the rear side of back stop slot 101; Switch push button 3 is contained in the switch base 4, and the connecting rod 303 on the switch push button 3 joins with pull bar 2.
With reference to accompanying drawing 2, a kind of electric tool switch safety locking structure, it is made up of the switch base 4, switch push button 3 and the pull bar 2 that are located on the electric tool casing 1, wherein, switch push button 3 is made up of switch push button body 301, dead bolt 302 and connecting rod 303, and switch push button body 301, dead bolt 302 and connecting rod 303 are an integral body, and dead bolt 302 is located at switch push button body 301 front sides, connecting rod 303 is located at switch push button body 301 bottoms, and the afterbody of switch push button body 301 is tilted upward; Switch base 4 is the T-slot structure, is provided with retaining projection 103 and lock tab 104 on switch base 4, and lock tab 104 is positioned at the rear side of retaining projection 103; Switch push button 3 is contained in the switch base 4, and the connecting rod 303 on the switch push button 3 joins with pull bar 2.
Claims (6)
1, a kind of electric tool switch safety locking structure, this switch safety locking structure is by the switch base that is located on the electric tool casing, switch push button and pull bar are formed, wherein, switch push button is by the switch push button body, dead bolt and connecting rod are formed, dead bolt is located at switch push button body front side, connecting rod is located at switch push button body bottom, switch base is a bathtub construction, on switch base, be provided with the retaining button, switch push button is contained in the switch base, connecting rod and pull bar on the switch push button join, and it is characterized in that also being provided with tab on switch base, and tab is positioned at the rear side of retaining button.
2, electric tool switch safety locking structure according to claim 1 is characterized in that the afterbody of switch push button body is tilted upward.
3, electric tool switch safety locking structure according to claim 1 and 2 is characterized in that being located at the version that retaining button on the switch base adopts back stop slot.
4, electric tool switch safety locking structure according to claim 1 and 2 is characterized in that being located at the version that retaining button on the switch base adopts the retaining projection.
5, electric tool switch safety locking structure according to claim 1 and 2 is characterized in that being located at the version that tab on the switch base adopts lock slots.
6, electric tool switch safety locking structure according to claim 1 and 2 is characterized in that being located at the version that tab on the switch base adopts lock tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201718U CN201242949Y (en) | 2008-06-21 | 2008-06-21 | Safe locking structure of electric tool switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201718U CN201242949Y (en) | 2008-06-21 | 2008-06-21 | Safe locking structure of electric tool switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242949Y true CN201242949Y (en) | 2009-05-20 |
Family
ID=40716240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201201718U Expired - Lifetime CN201242949Y (en) | 2008-06-21 | 2008-06-21 | Safe locking structure of electric tool switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242949Y (en) |
-
2008
- 2008-06-21 CN CNU2008201201718U patent/CN201242949Y/en not_active Expired - Lifetime
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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: 20090520 |