CN202772075U - Leakage action mechanism protection device of leakage circuit breaker - Google Patents
Leakage action mechanism protection device of leakage circuit breaker Download PDFInfo
- Publication number
- CN202772075U CN202772075U CN 201220503737 CN201220503737U CN202772075U CN 202772075 U CN202772075 U CN 202772075U CN 201220503737 CN201220503737 CN 201220503737 CN 201220503737 U CN201220503737 U CN 201220503737U CN 202772075 U CN202772075 U CN 202772075U
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- spring
- circuit breaker
- elastic arm
- elastic
- side plate
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Abstract
The utility model relates to a leakage circuit breaker, and especially relates to a leakage action mechanism protection device in a leakage circuit breaker. The utility model provides the following technical scheme that the leakage action mechanism protection device of the leakage circuit breaker is characterize in that a power extraction spring is formed by bending an elastic metal conductive rod and comprises a fixed mounting ring, a first elastic arm and a second elastic arm, the second elastic arm is bent to form a bending part, the bending part of the second elastic arm goes through a through hole of a mechanism side plate, and an end part of the second elastic arm is placed under a spring first elastic rod which can be electrically connected with the second elastic arm of the power extraction spring after the spring first elastic rod is pressed by a sliding block. Through adopting the above scheme, the utility model provides the novel leakage action mechanism protection device of the leakage circuit breaker, the leakage action mechanism protection device has the advantages of simple structure, low cost and convenient use, and the stable working of the power extraction spring can be ensured especially.
Description
Technical field
The utility model relates to a kind of residual current circuit breaker, refers to especially the electric leakage actuating mechanism protective device in the residual current circuit breaker.
Background technology
At present, the electric leakage mechanism action protective device of existing residual current circuit breaker includes terminal block, power taking spring, mechanism's side plate, handle, connecting rod, tripping, slide block, spring, test button and snap close; Wherein, in the power taking spring fitting process for guaranteeing that the power taking success usually can take to push the mode of two pin of power taking spring and allow the power taking spring be in the stressed operating state of compression; such mode can well overcome the problem of virtual connection between two pin of power taking spring and the link; the new problem that also exists simultaneously; wherein topmost problem is how to guarantee that the power taking spring is stably fixed on mechanism's side plate of residual current circuit breaker; further be being fixedly connected with in Product Assembly stage or haulage stage or client's operational phase between two pin and the link of power taking spring; otherwise can cause the unstable of electric leakage mechanism action of residual current circuit breaker can't work the serious consequence that test button is invalid.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, provide a kind of simple in structure, cost is low, easy to use, the electric leakage actuating mechanism protective device of novel residual current circuit breaker that particularly can fine assurance power taking spring steady operation.
For achieving the above object; the utility model provides following technical scheme: a kind of electric leakage actuating mechanism protective device of residual current circuit breaker; include terminal block; the power taking spring; mechanism's side plate; handle; connecting rod; tripping; slide block; spring; test button and snap close; wherein connecting rod is connected between handle and the tripping; tripping; snap close and slide block are connected; described spring includes the centring ring that is bent to form through the spring body; by first elastic rod and second elastic rod of body to the extension of centring ring both sides; the centring ring of described spring is set on the projection of Shell of circuit breaker; the first elastic rod of spring is conflicted on slide block; the second elastic rod of spring is conflicted on test button; described terminal block is arranged on the Shell of circuit breaker; it is characterized in that: described power taking spring is formed after bending by an elastic metallic conducting rod; the power taking spring includes the fixed installation circle; the first elastic arm and the second elastic arm; described fixed installation snare is located on the projection of mechanism's side plate; the projection end is provided with the guide vane end stop that the fixed installation circle that prevents the power taking spring comes off; the first elastic arm is subjected to conflict in the downside of terminal block and with it electrical connection after the force compresses; described the second elastic arm forms a kink after bending; offer the through hole that only passes for the second elastic arm kink on the described mechanism side plate; through hole and its end that the kink of described the second elastic arm passes mechanism's side plate place spring the first elastic rod below, and spring the first elastic rod can be realized being electrically connected with the second elastic arm of power taking spring after being compressed by slide block.
By adopting such scheme; wherein the mode of the second elastic arm of power taking spring employing contact pin injects the through hole on mechanism's side plate; the second elastic arm of power taking spring will be fixed like this; the first elastic rod of spring can be pressed on the second elastic arm of power taking spring accurately in the time of driving handle; can reach reliable power taking and then can guarantee the reliable of whole actuating mechanism; electric leakage mechanism can normally use; protection user personal safety; the projection end of mechanism's side plate is provided with the guide vane end stop that the fixed installation circle that prevents the power taking spring comes off in addition, has further guaranteed the stable of power taking spring position.
Further setting of the present utility model is: on the housing of described circuit breaker and arrange porose on the position corresponding with the through hole of mechanism side plate, the kink of the second elastic arm of described power taking spring passes the hole of through hole and the Shell of circuit breaker of mechanism's side plate successively, and the end of the section that passes of kink places spring the first elastic rod below, the through hole Huo of the kink of described the second elastic arm and mechanism's side plate and the hole close-fitting of Shell of circuit breaker, the top of described the first elastic arm is provided with crotch, this crotch hook is located at the bend of terminal block, conflicts on the Shell of circuit breaker convex tendon in the another side of crotch; Described fixed installation circle is circular, and the projection of described mechanism side plate is cylindrical, and described guide vane end stop is the Pagoda-shaped boss of projection end, and the diameter of this boss is greater than the diameter of fixed installation circle.
Adopt such scheme, make this product structure more reliable, guide vane end stop is the Pagoda-shaped boss of projection end in addition, this form better effects if, and profile is also attractive in appearance.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the plan structure figure of the utility model embodiment circuit breaker;
Fig. 2 is the side-looking structure chart of the circuit breaker of the utility model embodiment;
Fig. 3 is the structure chart of the circuit breaker removal mechanism side plate of the utility model embodiment;
Fig. 4 is the power taking spring structure schematic diagram of the utility model embodiment;
Fig. 5 is the stereogram of the circuit breaker reaction power taking spring of the utility model embodiment;
Fig. 6 is the spring stereogram of the utility model embodiment;
Fig. 7 is that the utility model embodiment reflects the schematic diagram that the power taking spring is connected with terminal block.
Embodiment
Such as Fig. 1-shown in Figure 7, a kind of electric leakage actuating mechanism protective device of residual current circuit breaker, include terminal block 1, power taking spring 2, mechanism's side plate 3, handle 4, connecting rod 5, tripping 6, slide block 7, spring 8, test button 9 and snap close 10, wherein connecting rod 5 is connected between handle 4 and the tripping 6, tripping 6, snap close 10 and slide block 7 are connected, described spring 8 includes the centring ring 83 that is bent to form through the spring body, by first elastic rod 81 and second elastic rod 82 of body to the extension of centring ring 83 both sides, the centring ring 83 of described spring 8 is set on the projection of Shell of circuit breaker, the first elastic rod 81 of spring 8 is conflicted on slide block 7, the second elastic rod 82 of spring 8 is conflicted on test button 9, described terminal block 1 is arranged on the Shell of circuit breaker, in the utility model embodiment, it is integral structure that described power taking spring 2 is formed after bending by an elastic metallic conducting rod, power taking spring 2 includes fixed installation circle 23, the first elastic arm 21 and the second elastic arm 22, described fixed installation circle 23 is set on the projection 31 of mechanism's side plate 3, the position of power taking spring 2 is just realized fixing like this, the first elastic arm 21 is subjected to conflict in the downside of terminal block 1 and with it electrical connection after the force compresses, described the second elastic arm 22 forms a kink 221 after bending, offer the through hole 32 that only passes for the second elastic arm 22 kinks 221 on the described mechanism side plate 3, through hole 32 and its end that the kink 221 of described the second elastic arm 22 passes mechanism's side plate 3 place spring the first elastic rod 81 belows, and spring the first elastic rod 81 can be realized being electrically connected with the second elastic arm 22 of power taking spring after being compressed by slide block 7; By adopting such scheme; wherein the mode of the second elastic arm 22 employing contact pins of power taking spring injects the through hole 31 on mechanism's side plate 3; the second elastic arm 22 of power taking spring 2 will be fixed like this; the first elastic rod 81 of spring 8 can be pressed on the second elastic arm 22 of power taking spring 2 accurately in the time of driving handle 4; can reach reliable power taking and then can guarantee the reliable of whole actuating mechanism; electric leakage mechanism can normally use, protection user personal safety.
In the utility model embodiment, arrange porose 11 on the housing of described circuit breaker and on the position corresponding with the through hole 32 of mechanism side plate 3, the kink 221 of the second elastic arm 22 of described power taking spring 2 passes the hole 11 of through hole 32 and the Shell of circuit breaker of mechanism's side plate 3 successively, and the end of the section that passes of kink 221 places spring the first elastic rod 81 belows, the kink 221 of described the second elastic arm 22 and the through hole 32 Huo of mechanism's side plate 3 and hole 11 close-fittings of Shell of circuit breaker, the purpose of close-fitting is that the second elastic arm 22 that further guarantees power taking spring 2 will be fixed; The top of described the first elastic arm 21 is provided with crotch 211, and these crotch 211 hooks are located at the bend 11 of terminal block 1, conflicts on Shell of circuit breaker convex tendon 12 in the another side of crotch 211.
In the utility model embodiment, projection 31 ends of described mechanism side plate 3 are provided with the guide vane end stop 311 that the fixed installation circle that prevents the power taking spring comes off, the projection 31 of described mechanism side plate 3 is cylindrical, described guide vane end stop 311 is the Pagoda-shaped boss 311 of projection 31 ends, the diameter of this boss 311 is greater than the diameter of fixed installation circle 23, guaranteed like this deciding on the projection 31 that installing ring 23 firmly is set in mechanism's side plate 3 of power taking spring 2.
Embodiment, handle 4 promotes connecting rod 5 when closing a floodgate, thereby connecting rod 5 promotes tripping 6 snap closes 10 and slide block 7 dead springs 8, the kink 221 of the first elastic rod 81 of spring 8 and the second elastic arm 22 of power taking spring 2 contacts, press test button 9, spring 8 second elastic rods 82 can be pressed onto wiring board thimble 12, thereby finish the power taking of test button 9.
Claims (3)
1. the electric leakage actuating mechanism protective device of a residual current circuit breaker; include terminal block; the power taking spring; mechanism's side plate; handle; connecting rod; tripping; slide block; spring; test button and snap close; wherein connecting rod is connected between handle and the tripping; tripping; snap close and slide block are connected; described spring includes the centring ring that is bent to form through the spring body; by first elastic rod and second elastic rod of body to the extension of centring ring both sides; the centring ring of described spring is set on the projection of Shell of circuit breaker; the first elastic rod of spring is conflicted on slide block; the second elastic rod of spring is conflicted on test button; described terminal block is arranged on the Shell of circuit breaker; it is characterized in that: described power taking spring is formed after bending by an elastic metallic conducting rod; the power taking spring includes the fixed installation circle; the first elastic arm and the second elastic arm; described fixed installation snare is located on the projection of mechanism's side plate; the projection end is provided with the guide vane end stop that the fixed installation circle that prevents the power taking spring comes off; the first elastic arm is subjected to conflict in the downside of terminal block and with it electrical connection after the force compresses; described the second elastic arm forms a kink after bending; offer the through hole that only passes for the second elastic arm kink on the described mechanism side plate; through hole and its end that the kink of described the second elastic arm passes mechanism's side plate place spring the first elastic rod below, and spring the first elastic rod can be realized being electrically connected with the second elastic arm of power taking spring after being compressed by slide block.
2. the electric leakage actuating mechanism protective device of residual current circuit breaker according to claim 1; it is characterized in that: on the housing of described circuit breaker and arrange porose on the position corresponding with the through hole of mechanism side plate; the kink of the second elastic arm of described power taking spring passes the hole of through hole and the Shell of circuit breaker of mechanism's side plate successively; and the end of the section that passes of kink places spring the first elastic rod below; the through hole Huo of the kink of described the second elastic arm and mechanism's side plate and the hole close-fitting of Shell of circuit breaker; the top of described the first elastic arm is provided with crotch; this crotch hook is located at the bend of terminal block, conflicts on the Shell of circuit breaker convex tendon in the another side of crotch.
3. the electric leakage actuating mechanism protective device of residual current circuit breaker according to claim 1 and 2; it is characterized in that: described fixed installation circle is for circular; the projection of described mechanism side plate is cylindrical; described guide vane end stop is the Pagoda-shaped boss of projection end, and the diameter of this boss is greater than the diameter of fixed installation circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503737 CN202772075U (en) | 2012-09-27 | 2012-09-27 | Leakage action mechanism protection device of leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503737 CN202772075U (en) | 2012-09-27 | 2012-09-27 | Leakage action mechanism protection device of leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772075U true CN202772075U (en) | 2013-03-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220503737 Expired - Lifetime CN202772075U (en) | 2012-09-27 | 2012-09-27 | Leakage action mechanism protection device of leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024538A (en) * | 2016-06-27 | 2016-10-12 | 杭州乾龙电器有限公司 | Suit type zero sequence transformer structure |
| CN107248487A (en) * | 2017-06-29 | 2017-10-13 | 首瑞（天津）电气设备有限公司 | The controller of electronic type residual current circuit breaker |
-
2012
- 2012-09-27 CN CN 201220503737 patent/CN202772075U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024538A (en) * | 2016-06-27 | 2016-10-12 | 杭州乾龙电器有限公司 | Suit type zero sequence transformer structure |
| CN107248487A (en) * | 2017-06-29 | 2017-10-13 | 首瑞（天津）电气设备有限公司 | The controller of electronic type residual current circuit breaker |
| CN107248487B (en) * | 2017-06-29 | 2020-01-10 | 首瑞（天津）电气设备有限公司 | Controller of electronic leakage circuit breaker |
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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: 20130306 |