CN205159159U - Pull switch with outage protect function - Google Patents
Pull switch with outage protect function Download PDFInfo
- Publication number
- CN205159159U CN205159159U CN201521015922.6U CN201521015922U CN205159159U CN 205159159 U CN205159159 U CN 205159159U CN 201521015922 U CN201521015922 U CN 201521015922U CN 205159159 U CN205159159 U CN 205159159U
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- CN
- China
- Prior art keywords
- power
- contact
- operating switch
- protection function
- switch
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Abstract
The utility model provides a pull switch with outage protect function, include the shell, install contact mechanism on the shell and with the contact actuating mechanism that contact mechanism is connected, still including outage protection mechanism, contact mechanism with the outage protection mechanism be connected. The utility model provides a pull switch with outage protect function's beneficial effect does: through wherein setting up outage protection mechanism for pull the switch and can not produce electric arc when disconnection or switch -on, prolonged the life of switch, the utility model discloses set up the back at the circuit board with heat conduction silica gel sheet for the heat of the electrical components production on the order wire circuit board, rethread heat dissipation lid dispels the heat, is provided with piezo -resistor on the circuit board, and piezo -resistor is used for preventing the harm of surge voltage to electrical components.
Description
Technical field
The utility model relates to a kind of operating switch with power-off protection function.
Background technology
Operating switch of the prior art is generally used on electric tool.If China Patent No. is the patent of invention of ZL200610143233.2, the day for announcing is on 05 09th, 2007, discloses a kind of electric switch, comprising: shell; At least one fixed contact therefor and at least one moving contacting piece, described moving contacting piece is supported in described shell, for the on-position contacted with described fixed contact therefor and and the open position that disengages of described fixed contact therefor between move; And operating mechanism, described operating mechanism is positioned at described shell, move between described on-position and described open position in order to make described moving contacting piece, described operating mechanism comprises: control member, and described control member is subject to supporting to move between the on-position at the on-position corresponding to described moving contacting piece and the open position of the open position corresponding to described moving contacting piece; Contact moving member, described contact moving member is supported, to be made described moving contacting piece move by described control member when corresponding to and moving between the on-position of on-position of described control member and the open position corresponding to the open position of described control member; And the spring charging device between described control member and described contact moving member, for being moved by described control member through the transition state of maximum strain, to make the springing between the connecting and disconnecting position of described contact moving member of described contact moving member; Wherein said spring charging device is included in the spring being compressed or stretch between described control member and described contact moving member; And across described control member and described contact moving member extend can pivot links, described spring action is in described connecting rod.The operating switch of this kind of structure easily produces electric arc when being switched on or switched off, and affect its stability, useful life is shorter.
Utility model content
Technical problem to be solved in the utility model is the deficiency overcoming above-mentioned prior art; there is provided a kind of by arranging power-off protection mechanism wherein; making operating switch can not produce electric arc when disconnecting or connect, extending the operating switch in the useful life of switch.
The main technical schemes that a kind of operating switch with power-off protection function provided according to the utility model adopts is: the contact driving mechanism comprise shell, installing contact mechanism on the housing and be connected with described contact mechanism; also comprise power-off protection mechanism, described contact mechanism is connected with described power-off protection mechanism.
The operating switch of what the utility model provided have power-off protection function also can have following attached technical characteristic:
Described power-off protection mechanism comprises installation circuit board on the housing and is arranged on the brush on described contact driving mechanism; described contact driving mechanism drives described brush to be connected with described circuit board, described circuit board is provided with controllable silicon and piezo-resistance.
Described contact driving mechanism comprises installation adjustable shelf on the housing and the reseting pressuring spring be arranged on described adjustable shelf, and described adjustable shelf is connected with described contact mechanism.
Described adjustable shelf is provided with drive block, and described drive block is connected with described contact mechanism.
The binding post that described contact mechanism comprises moving contact and is connected with described moving contact, described shell is provided with touch spring seat, and described touch spring seat is provided with touch spring.
Described shell is provided with locking mechanism, described contact driving mechanism is provided with stopper slot, described locking mechanism is connected on described stopper slot, described locking mechanism comprises installation cover plate on the housing and the control lever be arranged on described cover plate, and the end of described control lever is connected on described stopper slot.
One end of described control lever is provided with stopper, is provided with bolt stage clip between described stopper and described shell.
The other end of described control lever is provided with guide vane end stop, and described guide vane end stop is connected on described stopper slot.
Described shell comprises middle seat, front panel and dissipating cover, and described front panel is arranged on the front end of described middle seat, and described dissipating cover is arranged on the rear end of described middle seat.
Heat-conducting silica gel sheet is provided with between described middle seat and described dissipating cover.
The beneficial effect that the operating switch with power-off protection function adopting the utility model to provide brings is: by arranging power-off protection mechanism wherein, making operating switch can not produce electric arc when disconnecting or connect, extending the useful life of switch; Heat-conducting silica gel sheet is arranged on the back side of circuit board by the utility model, the heat that electric elements on order wire circuit plate produce, dispelled the heat by dissipating cover, be provided with piezo-resistance on circuit boards, piezo-resistance is for preventing surge voltage to the infringement of electric elements.
Accompanying drawing explanation
Fig. 1 is decomposition chart of the present utility model.
Fig. 2 is cutaway view of the present utility model.
Fig. 3 is rearview of the present utility model.
Fig. 4 is cut-away view of the present utility model.
Fig. 5 is the structure chart of off-state of the present utility model.
Fig. 6 is on-state structure chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figures 1 to 6; according to a kind of embodiment with the operating switch of power-off protection function that the utility model provides; the contact driving mechanism 3 comprising shell 1, be arranged on the contact mechanism 2 on described shell 1 and be connected with described contact mechanism 2; also comprise power-off protection mechanism 4; described contact mechanism 2 is connected with described power-off protection mechanism 4, and contact mechanism 2 provides to power-off protection mechanism 4 and is switched on or switched off signal.
Under power-off protection function described in the utility model refers to the prerequisite be not energized at switch, switch is in on-position, if after now switch energising, then circuit board does not work, and switch can not conducting.After switch disconnects and connecting, circuit board could work and connect circuit, and object is sent a telegram here in short-term again after the unexpected power-off of power supply again, the danger that switch is in on-state and does not disconnect in time and device action is produced.
See Fig. 1 to Fig. 6, according to the operating switch with power-off protection function that the utility model provides, described power-off protection mechanism 4 comprises the circuit board 41 be arranged on described shell 1 and the brush 42 be arranged on described contact driving mechanism 3, described contact driving mechanism 3 drives described brush 42 to be connected with described circuit board 41, described circuit board 41 is provided with controllable silicon 43, continue pressing contact driving mechanism 3 after the mechanism that makes contact after, contact driving mechanism 3 drives brush 42 contact circuit plate 41, the power-off protecting circuit connected on circuit board 41 realizes the power-off protection function of switch.
See Fig. 1 to Fig. 6, according to the operating switch with power-off protection function that the utility model provides, described contact driving mechanism 3 comprises the adjustable shelf 32 be arranged on described shell 1 and the reseting pressuring spring 33 be arranged on described adjustable shelf 32, described adjustable shelf 32 is connected with described contact mechanism 2, adjustable shelf 32 is switched on or switched off for driving contact mechanism 2, when needs contact mechanism 2 is connected, pressing adjustable shelf 32 is connected to drive contact mechanism 2, now power-off protection mechanism 4 is still in off-state, because brush 42 is arranged on adjustable shelf 32, after continuing pressing adjustable shelf 32, brush 32 contacts with circuit board 41, connect the power-off protecting circuit on circuit board 41, now control lever 52 can pass stopper slot 31, pressing stopper 53 drives control lever 52 to make the guide vane end stop 55 on control lever 52 be connected on stopper slot, the power-off protecting circuit on circuit board 41 is made to be in on-state for a long time, realize the power-off protection of operating switch, when needs contact mechanism 2 disconnects, after pressing adjustable shelf 32, the guide vane end stop 55 of control lever 52 end departs from stopper slot 31, because bolt stage clip 54 is in compressive state after pressing stopper 53, now bolt stage clip 54 is discharged, depart from stopper slot at the effect lower control arm 52 of bolt stage clip 54, be returned to initial position, meanwhile, adjustable shelf 32 automatically returns to initial position under the effect of reseting pressuring spring 33, breaking-off contact mechanism 2.
See Fig. 1 to Fig. 6, according to the operating switch with power-off protection function that the utility model provides, described adjustable shelf 32 is provided with drive block 34, described drive block 34 is connected with described contact mechanism 2, the binding post 22 that described contact mechanism 2 comprises moving contact 21 and is connected with described moving contact 21, described shell 1 is provided with touch spring seat 36, described touch spring seat 36 is provided with touch spring 35, described touch spring 35 is connected with described moving contact 21, drive block 34 in the utility model is connected with the moving contact 21 in contact mechanism 2, moving contact 21 is a metal clips, when contact mechanism 2 needs to disconnect, drive block 34 is by disconnecting moving contact 21 and binding post 22, compression contacts spring 35 while that moving contact 21 being in the process disconnected, for the connection of contact mechanism 2 is next time prepared.
Described shell 1 is provided with locking mechanism 5; described contact driving mechanism 3 is provided with stopper slot 31; described locking mechanism 5 is connected on described stopper slot 31; the operating switch that the utility model provides; by arranging power-off protection mechanism 4 wherein; make operating switch disconnect or make contact mechanism 2 time can not produce electric arc, extend the useful life of switch, locking mechanism 5 is in on-state for a long time for keeping power-off protection mechanism 4.
See Fig. 1 to Fig. 6, according to the operating switch with power-off protection function that the utility model provides, described locking mechanism 5 comprises the cover plate 51 be arranged on described shell 1 and the control lever 52 be arranged on described cover plate 51, described control lever 52 is connected with described power-off protection mechanism 4, one end of described control lever 52 is provided with stopper 53, bolt stage clip 54 is provided with between described stopper 53 and described shell 1, after power-off protection mechanism 4 connects, driving control lever 52 to be connected on stopper slot by pressing stopper 53 makes power-off protection mechanism 4 be in on-state for a long time, realize the power-off protection of switch, make contact mechanism 2 can not produce electric arc when being switched on or switched off, extend useful life, while pressing stopper, stopper also can compress bolt stage clip, for the disconnection of power-off protection mechanism is prepared.
See Fig. 1 to Fig. 6; according to the operating switch with power-off protection function that the utility model provides; the other end of described control lever 52 is provided with guide vane end stop 55; described guide vane end stop 55 is connected on described stopper slot 31; after power-off protection mechanism 4 connects; guide vane end stop 55 automatic clamping on control lever 52 is connected on stopper slot 31, makes power-off protection mechanism 4 be in on-state always.
See Fig. 1 to Fig. 6, according to the operating switch with power-off protection function that the utility model provides, described shell 1 comprises middle seat 11, front panel 12 and dissipating cover 13, described front panel 12 is arranged on the front end of described middle seat 11, described dissipating cover 13 is arranged on the rear end of described middle seat 11, heat-conducting silica gel sheet 14 is provided with between described middle seat 11 and described dissipating cover 13, heat-conducting silica gel sheet 14 is arranged on the back side of circuit board 41 by the utility model, for the heat that the electric elements on order wire circuit plate 41 produce, dispelled the heat by dissipating cover 13 again, described circuit board is provided with piezo-resistance 15, piezo-resistance 15 is for preventing surge voltage to the infringement of electric elements.
Claims (10)
1. one kind has the operating switch of power-off protection function; the contact driving mechanism comprise shell, installing contact mechanism on the housing and be connected with described contact mechanism; it is characterized in that: also comprise power-off protection mechanism, described contact mechanism is connected with described power-off protection mechanism.
2. there is the operating switch of power-off protection function as claimed in claim 1; it is characterized in that: described power-off protection mechanism comprises installation circuit board on the housing and is arranged on the brush on described contact driving mechanism; described contact driving mechanism drives described brush to be connected with described circuit board, described circuit board is provided with controllable silicon and piezo-resistance.
3. there is the operating switch of power-off protection function as claimed in claim 1; it is characterized in that: described contact driving mechanism comprises installation adjustable shelf on the housing and the reseting pressuring spring be arranged on described adjustable shelf, and described adjustable shelf is connected with described contact mechanism.
4. have the operating switch of power-off protection function as claimed in claim 3, it is characterized in that: described adjustable shelf is provided with drive block, described drive block is connected with described contact mechanism.
5. there is the operating switch of power-off protection function as claimed in claim 3; it is characterized in that: the binding post that described contact mechanism comprises moving contact and is connected with described moving contact; described shell is provided with touch spring seat; described touch spring seat is provided with touch spring, and described touch spring is connected with described moving contact.
6. there is the operating switch of power-off protection function as claimed in claim 1; it is characterized in that: described shell is provided with locking mechanism; described contact driving mechanism is provided with stopper slot; described locking mechanism is connected on described stopper slot; described locking mechanism comprises installation cover plate on the housing and the control lever be arranged on described cover plate, and the end of described control lever is connected on described stopper slot.
7. there is the operating switch of power-off protection function as claimed in claim 6, it is characterized in that: one end of described control lever is provided with stopper, between described stopper and described shell, be provided with bolt stage clip.
8. have the operating switch of power-off protection function as claimed in claim 6, it is characterized in that: the other end of described control lever is provided with guide vane end stop, described guide vane end stop is connected on described stopper slot.
9. the operating switch with power-off protection function as described in as arbitrary in claim 1-8; it is characterized in that: described shell comprises middle seat, front panel and dissipating cover; described front panel is arranged on the front end of described middle seat, and described dissipating cover is arranged on the rear end of described middle seat.
10. there is the operating switch of power-off protection function as claimed in claim 9, it is characterized in that: between described middle seat and described dissipating cover, be provided with heat-conducting silica gel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015922.6U CN205159159U (en) | 2015-12-09 | 2015-12-09 | Pull switch with outage protect function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015922.6U CN205159159U (en) | 2015-12-09 | 2015-12-09 | Pull switch with outage protect function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159159U true CN205159159U (en) | 2016-04-13 |
Family
ID=55694824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015922.6U Active CN205159159U (en) | 2015-12-09 | 2015-12-09 | Pull switch with outage protect function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511230A (en) * | 2017-02-28 | 2018-09-07 | 东莞辰达电器有限公司 | Trigger assembly |
-
2015
- 2015-12-09 CN CN201521015922.6U patent/CN205159159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511230A (en) * | 2017-02-28 | 2018-09-07 | 东莞辰达电器有限公司 | Trigger assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 325600 Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Block C, Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |