CN204577380U - A kind of switch with overload protection - Google Patents
A kind of switch with overload protection Download PDFInfo
- Publication number
- CN204577380U CN204577380U CN201520234533.6U CN201520234533U CN204577380U CN 204577380 U CN204577380 U CN 204577380U CN 201520234533 U CN201520234533 U CN 201520234533U CN 204577380 U CN204577380 U CN 204577380U
- Authority
- CN
- China
- Prior art keywords
- insulating trip
- housing
- slide bar
- switch
- overload protection
- 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
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a kind of switch with overload protection, comprise housing, the sidepiece of described housing is provided with limit lid, limit lid is provided with the fastening place of housing the chute be in tilted layout near left end place, the top of housing is provided with hollow round table, the inside of hollow round table is provided with ratchet, the inside of housing is provided with step-like insulating trip, the left end of insulating trip is arranged in chute by crossed strip, the top of insulating trip is provided with static contact, the bottom of insulating trip is provided with movable contact spring, the top end face of insulating trip is provided with near left end place and moving contact and the mutually corresponding notch of fixed contact, front side and the rear side of insulating trip middle part are equipped with stopper slot, the top of static contact is provided with slide bar, front-end and back-end bottom slide bar are equipped with arc drive plate, two arc drive plates are fastened in two stopper slots respectively, the inner hollow position of slide bar is provided with Vertical Spring.The construction of switch of band overload protection of the present utility model is reasonable in design, greatly improves security performance.
Description
Technical field
The utility model relates to a kind of switch with overload protection.
Background technology
Key switch in the market mostly only has conducting function, not with overload protection, when electric current is crossed strong, can not automatic cut-off power, and easily heating and cause various accident, thus bring risk, security performance is low.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of switch with overload protection.
The switch of band overload protection of the present utility model, comprise housing, the sidepiece of described housing is provided with limit lid, limit lid is provided with the fastening place of housing the chute be in tilted layout near left end place, the top of housing is provided with hollow round table, the inside of hollow round table is provided with ratchet, the inside of housing is provided with step-like insulating trip, the left end of insulating trip is arranged in chute by crossed strip, the top of insulating trip is provided with static contact, fixed contact is provided with bottom the left end of static contact, the bottom of insulating trip is provided with movable contact spring, the left end top of movable contact spring is provided with moving contact, the top end face of insulating trip is provided with near left end place and moving contact and the mutually corresponding notch of fixed contact, front side and the rear side of insulating trip middle part are equipped with stopper slot, the top of static contact is provided with slide bar, front-end and back-end bottom slide bar are equipped with arc drive plate, two arc drive plates are fastened in two stopper slots respectively, the top of slide bar is connected with ratchet, the inner hollow position of slide bar is provided with Vertical Spring.
The switch of band overload protection of the present utility model, described limit lid is provided with the fastening place of housing the first draw-in groove and the second draw-in groove that distribute up and down near right-hand member place, described static contact and movable contact spring branch are fastened in the first draw-in groove and the second draw-in groove.
The switch of band overload protection of the present utility model, described ratchet comprise cooperatively interact on take turns and lower whorl, the bottom of lower whorl is connected with slide bar.
The switch of band overload protection of the present utility model, the left side wall of described arc drive plate is curve slope structure.
Compared with prior art the beneficial effects of the utility model are: the construction of switch of band overload protection of the present utility model is reasonable in design, in an initial condition, insulating trip is positioned at the left side of enclosure interior, press and take turns, slide bar declines, fixed contact and moving contact are closed at notch place, switch conduction, if electric current is excessively strong, curved under movable contact spring, moving contact leaves fixed contact, insulating trip slides to the right under the effect of groove to spring, even if if now movable contact spring return, be separated with static contact due to the obstruct of insulating trip, only have manually again to press and take turns, slide bar rises, the stopper slot that arc drive plate promotes insulating trip makes insulating trip be moved to the left along chute, notch on insulating trip moves to the position corresponding with moving contact and fixed contact, sound contact could realize again contacting, greatly improve security performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of switch with overload protection described in the utility model embodiment;
Fig. 2 is the decomposition texture schematic diagram of a kind of switch with overload protection described in the utility model embodiment;
Fig. 3 is the internal structure schematic diagram of a kind of switch with overload protection described in the utility model embodiment.
In figure:
1, housing; 2, Bian Gai; 3, chute; 4, hollow round table; 5, ratchet; 6, insulating trip; 7, crossed strip; 8, static contact; 9, movable contact spring; 10, notch; 11, stopper slot; 12, slide bar; 13, arc drive plate; 14, Vertical Spring; 15, the first draw-in groove; 16, the second draw-in groove; 17, take turns on; 18, lower whorl.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As Figure 1-3, a kind of switch with overload protection, comprise housing 1, the sidepiece of described housing 1 is provided with limit lid 2, limit lid 2 is provided with the fastening place of housing 1 chute 3 be in tilted layout near left end place, the top of housing 1 is provided with hollow round table 4, the inside of hollow round table 4 is provided with ratchet 5, the inside of housing 1 is provided with step-like insulating trip 6, the left end of insulating trip 6 is arranged in chute 3 by crossed strip 7, the top of insulating trip 6 is provided with static contact 8, fixed contact is provided with bottom the left end of static contact 8, the bottom of insulating trip 6 is provided with movable contact spring 9, the left end top of movable contact spring 9 is provided with moving contact, the top end face of insulating trip 6 is provided with near left end place and moving contact and the mutually corresponding notch 10 of fixed contact, front side and the rear side of insulating trip 6 middle part are equipped with stopper slot 11, the top of static contact 8 is provided with slide bar 12, front-end and back-end bottom slide bar 12 are equipped with arc drive plate 13, two arc drive plates 13 are fastened in two stopper slots 11 respectively, the top of slide bar 12 is connected with ratchet 5, the inner hollow position of slide bar 12 is provided with Vertical Spring 14.
The switch of band overload protection of the present utility model, described limit lid 2 is provided with the fastening place of housing 1 the first draw-in groove 15 and the second draw-in groove 16 distributed up and down near right-hand member place, described static contact 8 and movable contact spring 9 branch are fastened in the first draw-in groove and the second draw-in groove.
The switch of band overload protection of the present utility model, described ratchet 5 comprise cooperatively interact on take turns 17 and lower whorl 18, the bottom of lower whorl 18 is connected with slide bar 12, and the bottom of Vertical Spring 14 is resisted against on static contact 8.
The switch of band overload protection of the present utility model, the left side wall of described arc drive plate 13 is curve slope structure, and the up movement of arc drive plate 13 can drive insulating trip 6 to be moved to the left.
The construction of switch of band overload protection of the present utility model is reasonable in design, in an initial condition, insulating trip is positioned at the left side of enclosure interior, press and take turns, slide bar declines, fixed contact and moving contact are closed at notch place, switch conduction, if electric current is excessively strong, curved under movable contact spring, moving contact leaves fixed contact, insulating trip slides to the right under the effect of groove to spring, even if if now movable contact spring return, be separated with static contact due to the obstruct of insulating trip, only have manually again to press and take turns, slide bar rises, the stopper slot that arc drive plate promotes insulating trip makes insulating trip be moved to the left along chute, notch on insulating trip moves to the position corresponding with moving contact and fixed contact, sound contact could realize again contacting, greatly improve security performance.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (4)
1. the switch with overload protection, comprise housing (1), it is characterized in that: the sidepiece of described housing (1) is provided with limit lid (2), limit lid (2) is provided with the fastening place of housing (1) chute (3) be in tilted layout near left end place, the top of housing (1) is provided with hollow round table (4), the inside of hollow round table (4) is provided with ratchet (5), the inside of housing (1) is provided with step-like insulating trip (6), the left end of insulating trip (6) is arranged in chute (3) by crossed strip (7), the top of insulating trip (6) is provided with static contact (8), fixed contact is provided with bottom the left end of static contact (8), the bottom of insulating trip (6) is provided with movable contact spring (9), the left end top of movable contact spring (9) is provided with moving contact, the top end face of insulating trip (6) is provided with near left end place and moving contact and the mutually corresponding notch (10) of fixed contact, the front side of insulating trip (6) middle part and rear side are equipped with stopper slot (11), the top of static contact (8) is provided with slide bar (12), the front-end and back-end of slide bar (12) bottom are equipped with arc drive plate (13), two arc drive plates (13) are fastened in two stopper slots (11) respectively, the top of slide bar (12) is connected with ratchet (5), the inner hollow position of slide bar (12) is provided with Vertical Spring (14).
2. the switch of band overload protection according to claim 1; it is characterized in that: described limit lid (2) is provided with the fastening place of housing (1) the first draw-in groove (15) and the second draw-in groove (16) that distribute up and down near right-hand member place, described static contact (8) and movable contact spring (9) branch are fastened in the first draw-in groove (15) and the second draw-in groove (16).
3. the switch of band overload protection according to claim 1; it is characterized in that: described ratchet (5) comprise cooperatively interact on take turns (17) and lower whorl (18), the bottom of lower whorl (18) is connected with slide bar (12).
4. the switch of band overload protection according to claim 1, is characterized in that: the left side wall of described arc drive plate (13) is curve slope structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234533.6U CN204577380U (en) | 2015-04-17 | 2015-04-17 | A kind of switch with overload protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234533.6U CN204577380U (en) | 2015-04-17 | 2015-04-17 | A kind of switch with overload protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577380U true CN204577380U (en) | 2015-08-19 |
Family
ID=53869980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234533.6U Expired - Fee Related CN204577380U (en) | 2015-04-17 | 2015-04-17 | A kind of switch with overload protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204577380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598165A (en) * | 2023-07-17 | 2023-08-15 | 山西王家岭煤业有限公司 | Mining isolating switch |
-
2015
- 2015-04-17 CN CN201520234533.6U patent/CN204577380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598165A (en) * | 2023-07-17 | 2023-08-15 | 山西王家岭煤业有限公司 | Mining isolating switch |
| CN116598165B (en) * | 2023-07-17 | 2023-09-12 | 山西王家岭煤业有限公司 | Mining isolating switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204577380U (en) | A kind of switch with overload protection | |
| CN203456344U (en) | Interlocking mechanism of solid insulated switchgear | |
| CN209329634U (en) | A kind of illuminalive power-supply device type bus duct | |
| CN208316050U (en) | A kind of adjustable power switch cabinet | |
| CN204558302U (en) | A kind of circuit breaker with efficient arc striking piece | |
| CN207233642U (en) | Button switch with guide frame | |
| CN204271518U (en) | A kind of high voltage cabinet on trolley be applied in case change | |
| CN202749738U (en) | Centrally installed switchgear with underneath installed handcart | |
| CN203481147U (en) | Combined relay | |
| CN204333730U (en) | Low-voltage drawer cabinet | |
| CN204333729U (en) | With the drawout cubicle of defencive function | |
| CN205282948U (en) | Small -size drawer type low voltage distribution box | |
| CN203659711U (en) | Time-delay and instant key switch | |
| CN204858064U (en) | Anti -electric -shock socket | |
| CN203250632U (en) | Dry-type current transformer and junction box thereof | |
| CN204088222U (en) | The housing of primary cut-out | |
| CN205069431U (en) | High -voltage board prevent area load device of operating a switch | |
| CN203103168U (en) | Button-type switch having protection function | |
| CN203661225U (en) | A set top box convenient for operation and dust prevention | |
| CN203456398U (en) | Position locking device of moulded case circuit breaker with operating mechanism | |
| CN205211686U (en) | Reset button | |
| CN214204433U (en) | Power box for special electric equipment with high protection level | |
| CN201708468U (en) | Backdoor backlocking device of metal armoring mid-set movable switch cabinet | |
| CN208433324U (en) | A kind of switch | |
| CN210517560U (en) | Trolley type high-voltage switch cabinet |
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: 20150819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |