CN103065833A - Isolating switch with self-locking function - Google Patents
Isolating switch with self-locking function Download PDFInfo
- Publication number
- CN103065833A CN103065833A CN2012105635149A CN201210563514A CN103065833A CN 103065833 A CN103065833 A CN 103065833A CN 2012105635149 A CN2012105635149 A CN 2012105635149A CN 201210563514 A CN201210563514 A CN 201210563514A CN 103065833 A CN103065833 A CN 103065833A
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- handle
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- conflict
- latch hook
- boss
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Abstract
The invention relates to an isolating switch, in particular to the isolating switch with a self-locking function. The isolating switch with the self-locking function is characterized in that a self-locking device is arranged at the position, where a shell is hinged with a handle, of the shell, and the self-locking device comprises a button, a locking hook and a spring, wherein when a movable contact and a static contact are in a disconnected state, the button is pushed up to return to an original position and is in abutting-against fit with the handle to limit the handle to rotate, and when the movable contact and the static contact are in a connected state, the button is locked by the locking hook and is in a pressed-down state. Due to the technical scheme, the isolating switch with the self-locking function overcomes the defects in the prior art, and when the movable contact is disconnected, the movable contact can be locked automatically so that misoperations are prevented from happening.
Description
Technical field
The present invention relates to a kind of isolating switch, refer to especially the isolating switch with auto-lock function.
Background technology
Be used in the market the visible isolating switch of fracture of insulating power supply when the client uses, after utilizing draw ring to open isolating switch, also want initiatively draw ring and following button are buckled, if forget this step, isolating switch just exists by the danger of misoperation, and the client is used the larger unsafe factor of existence.
Be 200720193959.7 " a kind of operating mechanism for insulating power supply " such as the patent No., include shell and be fixed on fixed contact in the described shell, characterized by further comprising: at the handle that can pivot and be connected away from the position of fixed contact and shell of shell; Be permanently connected together moving contact of handle, described handle drives moving contact and fixed contact disconnection and closure with respect to the rotation of shell, handle is provided with snap portions away from a side of its rotation axis, shell is provided with in the side outside near handle axis of rotation and has contact with, when operating mechanism is in open position, described snap portions and have contact with fastening.Above-mentioned structure needs manually to fasten by hasp and snap portions when moving contact disconnects just to guarantee the fixing of moving contact, exists by the danger of misoperation like this.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and provides a kind of moving contact that can automatically lock after moving contact disconnects to prevent that it from the novel isolating switch with auto-lock function of misoperation occuring.
Realize above-mentioned purpose, the present invention adopts following technical scheme, a kind of isolating switch with auto-lock function, include shell, fixed contact, handle and moving contact, wherein fixed contact is fixedly installed on the shell, moving contact is fixedly installed on the handle, handle is hinged to be arranged on the housing, moving contact cooperates with fixed contact formation conducting or disconnection with the rotation of handle, it is characterized in that: being positioned at the handle hinged place of described housing is provided with self-locking device, this self-locking device includes button, latch hook and spring, wherein moving contact and fixed contact button when off-state is upspring to reset and consist of conflict engagement limits handle with handle and is rotated, and button is locked into by latch hook and presses down shape when moving contact and fixed contact conducting state.
By adopting such scheme, we are in disconnecting switch operation, only need turning handle, when moving contact becomes off-state with fixed contact, self-locking device can automatically lock handle, can't moving contact and fixed contact be closed a floodgate turning handle in the situation that handle is unlocked, so greatly increase fail safe, effectively prevent misoperation.
The further setting of the present invention is: described latch hook is hinged to be arranged on the shell, the face that compresses that is provided with snap fit on the latch hook and compresses for spring, snap fit is towards the spring setting, be provided with on the described button can with the handle conflict piece that the engagement limits handle rotates of conflicting, resistance surface and press surface with the spring conflict, spring is arranged between the resistance surface of the face that compresses of latch hook and button, latch hook its snap fit behind push button can be fastened on the conflict piece and limit push-button reset, on the described handle and be positioned at hinged end and be provided with and compress inclined-plane and boss, wherein compress the inclined-plane and can consist of with the conflict piece of button the rotation of conflict engagement limits handle, described boss can promote snap fit and break away from the conflict piece and realize that button is upspring and reset under rotating with handle, the inclined-plane that compresses of its conflict piece and handle was construed as limiting compressing of handle rotation and cooperates after button was upspring and resetted.
By above-mentioned further setting, be that self-locking device is further qualified, wherein well utilize the structure that cooperates between button, spring, latch hook and the handle, make that self-locking device is simple in structure, working stability, misoperation can not appear.
Last setting of the present invention is: be provided with the guide vane end stop that limit button comes off on the described shell, described boss is arranged on the side that compresses the inclined-plane, described snap fit be arranged on boss under and the width of width and boss suitable, the width of described conflict piece is greater than the width of boss, and the conflict piece have part to be positioned to compress the inclined-plane under.
By above-mentioned last setting: further optimize product structure, make product higher in cost performance, install simple, sound construction.
The invention will be further described below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is moving contact and the fixed contact conducting state structural representation of the embodiment of the invention;
Fig. 2 is moving contact and the fixed contact off-state structural representation of the embodiment of the invention;
Fig. 3 is the structural representation that the reflection spring of the embodiment of the invention cooperates with latch hook.
Embodiment
Such as Fig. 1-shown in Figure 3, a kind of isolating switch with auto-lock function, include shell 1, fixed contact 2, handle 4 and moving contact 3, wherein fixed contact 2 is fixedly installed on the shell 1, moving contact 3 is fixedly installed on the handle 4, handle 4 hinged being arranged on the housing 1, moving contact 3 cooperates with fixed contact 2 formation conductings or disconnection with the rotation of handle 4, these above-mentioned technical characterictics also are common in the prior art, so just do not launch to be described in the present embodiment, in embodiments of the present invention, being positioned at handle 4 hinged places of described housing 1 is provided with self-locking device 5, this self-locking device 5 includes button 51, latch hook 52 and spring 53, wherein moving contact 3 is upspring to reset and consist of conflict engagement limits handle with handle 4 with fixed contact 2 button 51 when off-state and is rotated, so just can guarantee that moving contact 3 and fixed contact 2 can't conductings, moving contact 3 during with fixed contact 2 conducting state button 51 be locked into by latch hook 52 and press down shape; Adopt such scheme, we are in disconnecting switch operation, only need turning handle 4, when 2 one-tenth off-states of moving contact 3 and fixed contact, self-locking device can automatically lock handle 4, can't moving contact 3 and fixed contact 2 be closed a floodgate turning handle 4 in the situation that handle 4 is unlocked, so greatly increase fail safe, effectively prevent misoperation.
In embodiments of the present invention, described latch hook 52 hinged being arranged on the shell 1, the face that compresses 522 or the spring base that are provided with snap fit 521 on the latch hook 52 and compress for spring 53, snap fit 521 arranges towards spring 53, be provided with the conflict piece 511 that can rotate with handle 4 conflict engagement limits handles 4 on the described button 51, resistance surface 512 and press surface 513 with spring 53 conflicts, spring 53 is arranged between the resistance surface 512 of the face that compresses 522 of latch hook 52 and button 51, latch hook 52 its snap fits 521 behind push button 51 can be fastened on that limit button 51 resets on the conflict piece 511 of button 51, on the described handle 4 and be positioned at hinged end and be provided with and compress inclined-plane 41 and boss 42, described boss 42 is arranged on the side that compresses inclined-plane 41, described snap fit 521 be arranged on boss 42 under and the width of width and boss 42 suitable, the width of described conflict piece 511 is greater than the width of boss 42, and conflict piece 511 have the part be positioned at compress inclined-plane 41 under, compress inclined-plane 41 and can consist of with the conflict piece 511 of button 51 4 rotations of conflict engagement limits handle, described boss 42 namely is conducting to the rotation that disconnects direction from moving contact 3 and fixed contact 2 and can promotes snap fit 521 and break away from conflict pieces 511 and realize that buttons 51 are upspring and reset under rotating with handle 4, the inclined-plane 41 that compresses of its conflict piece 511 and handle 4 was construed as limiting handle 4 compressing of rotation and cooperates after button 51 was upspring and resetted, this structure is well utilized button 51, spring 53, the structure that cooperates between latch hook 52 and the handle 4, make self-locking device simple in structure, working stability, misoperation can not appear, in embodiments of the present invention, be provided with the guide vane end stop 11 that limit button 51 comes off on the described shell 1.
Claims (3)
1. isolating switch with auto-lock function, include shell, fixed contact, handle and moving contact, wherein fixed contact is fixedly installed on the shell, moving contact is fixedly installed on the handle, handle is hinged to be arranged on the housing, moving contact cooperates with fixed contact formation conducting or disconnection with the rotation of handle, it is characterized in that: being positioned at the handle hinged place of described housing is provided with self-locking device, this self-locking device includes button, latch hook and spring, wherein moving contact and fixed contact button when off-state is upspring to reset and consist of conflict engagement limits handle with handle and is rotated, and button is locked into by latch hook and presses down shape when moving contact and fixed contact conducting state.
2. the isolating switch with auto-lock function according to claim 1, it is characterized in that: described latch hook is hinged to be arranged on the shell, the face that compresses that is provided with snap fit on the latch hook and compresses for spring, snap fit is towards the spring setting, be provided with on the described button can with the handle conflict piece that the engagement limits handle rotates of conflicting, resistance surface and press surface with the spring conflict, spring is arranged between the resistance surface of the face that compresses of latch hook and button, latch hook its snap fit behind push button can be fastened on the conflict piece and limit push-button reset, on the described handle and be positioned at hinged end and be provided with and compress inclined-plane and boss, wherein compress the inclined-plane and can consist of with the conflict piece of button the rotation of conflict engagement limits handle, described boss can promote snap fit and break away from the conflict piece and realize that button is upspring and reset under rotating with handle, the inclined-plane that compresses of its conflict piece and handle was construed as limiting compressing of handle rotation and cooperates after button was upspring and resetted.
3. the isolating switch with auto-lock function according to claim 2, it is characterized in that: be provided with the guide vane end stop that limit button comes off on the described shell, described boss is arranged on the side that compresses the inclined-plane, described snap fit be arranged on boss under and the width of width and boss suitable, the width of described conflict piece is greater than the width of boss, and the conflict piece have part to be positioned to compress the inclined-plane under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563514.9A CN103065833B (en) | 2012-12-21 | 2012-12-21 | A kind of isolating switch with auto-lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563514.9A CN103065833B (en) | 2012-12-21 | 2012-12-21 | A kind of isolating switch with auto-lock function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103065833A true CN103065833A (en) | 2013-04-24 |
| CN103065833B CN103065833B (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210563514.9A Active CN103065833B (en) | 2012-12-21 | 2012-12-21 | A kind of isolating switch with auto-lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103065833B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280349A (en) * | 2013-05-07 | 2013-09-04 | 德力西电气有限公司 | Handle operation mechanism with self-locking device used on isolation switch |
| CN106783357A (en) * | 2017-03-18 | 2017-05-31 | 廖森林 | High-power disconnecting switch contactless, without abrasion |
| CN111140083A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft handle locking device |
| CN111508791A (en) * | 2020-04-15 | 2020-08-07 | 李伟 | Single-wire circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1835159A (en) * | 2005-03-17 | 2006-09-20 | 正泰集团股份有限公司 | Action locking gear of isolation switch |
| JP2009230890A (en) * | 2008-03-19 | 2009-10-08 | Nitto Electric Works Ltd | Wiring circuit breaker |
| CN202221721U (en) * | 2011-09-13 | 2012-05-16 | 上海诺雅克电气有限公司 | Locking device used for limiting switch operation |
| CN202977214U (en) * | 2012-12-21 | 2013-06-05 | 德力西电气有限公司 | Disconnecting switch with self-locking function |
-
2012
- 2012-12-21 CN CN201210563514.9A patent/CN103065833B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1835159A (en) * | 2005-03-17 | 2006-09-20 | 正泰集团股份有限公司 | Action locking gear of isolation switch |
| JP2009230890A (en) * | 2008-03-19 | 2009-10-08 | Nitto Electric Works Ltd | Wiring circuit breaker |
| CN202221721U (en) * | 2011-09-13 | 2012-05-16 | 上海诺雅克电气有限公司 | Locking device used for limiting switch operation |
| CN202977214U (en) * | 2012-12-21 | 2013-06-05 | 德力西电气有限公司 | Disconnecting switch with self-locking function |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280349A (en) * | 2013-05-07 | 2013-09-04 | 德力西电气有限公司 | Handle operation mechanism with self-locking device used on isolation switch |
| CN103280349B (en) * | 2013-05-07 | 2015-05-06 | 德力西电气有限公司 | Handle operation mechanism with self-locking device used on isolation switch |
| CN106783357A (en) * | 2017-03-18 | 2017-05-31 | 廖森林 | High-power disconnecting switch contactless, without abrasion |
| CN106783357B (en) * | 2017-03-18 | 2019-06-14 | 廖森林 | High-power disconnecting switch contactless, without abrasion |
| CN111140083A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft handle locking device |
| CN111508791A (en) * | 2020-04-15 | 2020-08-07 | 李伟 | Single-wire circuit breaker |
| CN111508791B (en) * | 2020-04-15 | 2022-06-21 | 浙江华楷电气有限公司 | Single-wire circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103065833B (en) | 2016-01-20 |
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