CN204348650U - The test button device of residual current action breaker - Google Patents
The test button device of residual current action breaker Download PDFInfo
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- CN204348650U CN204348650U CN201420667219.2U CN201420667219U CN204348650U CN 204348650 U CN204348650 U CN 204348650U CN 201420667219 U CN201420667219 U CN 201420667219U CN 204348650 U CN204348650 U CN 204348650U
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Abstract
A kind of test button device of residual current action breaker, comprise button, movable contact spring and static contact, also comprise the case that inside is equipped with test button device, described movable contact spring and static contact correspondence are arranged on the outer wall of one end of case, case is provided with the first boss and the second boss that are connected with movable contact spring and static contact buckle respectively, and movable contact spring can be connected with case buckle from the first boss with the side insertion of the second boss respectively with static contact.It is simple that the utility model provides a kind of structure, and cost is low, the test button device of the residual current action breaker that reliability is high.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, particularly a kind of test button device of residual current action breaker.
Background technology
Whether at present, be applied to the test button apparatus structure that residual current action breaker (residual current circuit breaker) is inner, its operation principle is analog line short circuit, detect earth leakage protective and act on normally.Existing test button apparatus structure is substantially identical, all adopts movable contact spring to touch static contact mode, but structural design respectively differs, at present most complex structure, and parts are many, assemble loaded down with trivial details phenomenon.In addition, existing test button contact is separated with case, by adding inserts in pedestal, adopts screw to fix contact; The case of test button and pedestal are adopted and are screwed, without reliable position limiting structure, unreliable phenomenon is contacted after easily causing assembling, product is needed to turn over during assembling, just fixed screw can be loaded onto, product need turn over by employee's assembling, just can load onto fixed screw, causes mass-production process complicated.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, and provide a kind of structure simple, cost is low, the test button device of the residual current action breaker that reliability is high.
For achieving the above object, the utility model have employed following technical scheme:
A kind of test button device of residual current action breaker, comprise button 5, movable contact spring 2 and static contact 3, also comprise the case 1 that inside is equipped with test button device, described movable contact spring 2 and static contact 3 correspondence are arranged on the outer wall of one end of case 1, case 1 is provided with the first boss 11 and the second boss 12 be connected with movable contact spring 2 and static contact 3 buckle respectively, and movable contact spring 2 can be connected with case 1 buckle from the first boss 11 with the side insertion of the second boss 12 respectively with static contact 3.
Further, the first fixed leg 111 be connected with movable contact spring 2 is extended in the middle of described first boss 11 side, first fixed leg 111 and envelope surface leave the first space that movable contact spring 2 passes through, described first boss 11 two ends extend the second fixed leg 112 respectively to the same side of the first fixed leg 111 and the 3rd fixed leg 113, first fixed leg 111, second fixed leg 112, the 3rd fixed leg 113 form with the surface of case 1 limited impression 114 be connected with movable contact spring 2 jointly; In the middle of described movable contact spring 2, one section is recessed to form the spill section 21 be connected with limited impression 114 downwards.
Further, described second extends the 4th fixed leg 121 be connected with static contact 3 in the middle of boss 12 side, and described static contact 3 one sections raises up the raised section 31 being formed and be connected with the 4th fixed leg 121; The 5th fixed leg 122 and the 6th fixed leg 123 are extended respectively to the same side of the 4th fixed leg 121 in described second boss 12 two ends; The two ends of described fixed contact 3 are provided with the first flat segments 32 and the second flat segments the 33, five fixed leg 122 leaves with the 6th fixed leg 123 and envelope surface the Second gap be connected with the first flat segments 32 and second flat segments 33 of static contact 3 respectively.
Further, the two ends of described movable contact spring 2 are respectively equipped with contact chip 22 and stator 23, contact chip 22 is held on the 3rd fixed leg 113, and contact chip 22 is pushed down in one end of button 5, and contact chip 22 moves up and down with button 5 and realizes movable contact spring 2 and be contacting and separating with static contact 3; Stator 23 is held on the second fixed leg 112, and the end of the second fixed leg 112 is provided with the first fixture block 115 of restriction stator 23 displacement.
Further, one end of described movable contact spring 2 is provided with contact chip 22, and contact chip 22 both sides are provided with flange 221 towards one end of button 5.
Further, described button 5 and the both sides, one end that movable contact spring 2 connects are provided with the inclined-plane 51 corresponding with contact chip 22 liang of side flangings 221, and the angle of described contact chip 22 liang of side flangings 221 should be set to 110 °-120 °.
Further, first flat segments 32 of described static contact 3 extends the side of the 5th fixed leg 122, the both sides that first flat segments 32 stretches out the 5th fixed leg 122 part are provided with the second fixture block 124 and leave the gap that static contact 3 passes through between the 3rd fixture block the 125, three fixture block 125 and the 5th fixed leg 122.
Further, described case 1 can be arranged in the pedestal 4 of circuit breaker; The other end of case 1 is connected with the bottom of pedestal 4, the other end opening of case 1, the bottom of pedestal 4 is provided with the postive stop baffle 41 of the fixing case 1 mated with the opening of case 1, the sidewall that pedestal 4 is connected with case 1 is provided with limit fastener block 42, and limit fastener block 42 two side is provided with the groove 421 be connected with case 1; Case 1 is provided with the bar shaped perforate 13 corresponding with limit fastener block 42 grooves on two sides 421 with the sidewall that pedestal 4 connects.
Further, the sidewall of described case 1 is provided with at least one radiating groove 14.
Further, described 3rd fixture block 125 is provided with the first chamfering 125a along the installation direction of static contact 3; Described 4th fixed leg 121 is provided with the second chamfering 121a along the installation direction of static contact 3.
Further, the lid of circuit breaker is provided with the limit rib moved up and down of spacing case 1, and the lid of circuit breaker is fixedly connected with rear limit rib with pedestal 4 and pushes down case 1.
First boss, second boss of test button device by arranging on one end outer wall of case of the utility model residual current action breaker, movable contact spring and static contact can insert in case from the side, the buckle of both realizations connects, replace and adopt screw to fix movable contact spring and pedestal, optimize in pedestal and fix insert nut, simplify process flow, alleviate operation difficulty, improve operating efficiency.Test button case and pedestal adopt the fixed form of grafting on the other hand, replace the fixed form adopting screw, make case can complete the assembling with pedestal on a station, simplify process flow, reduce operation difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model residual current action breaker test button device;
Fig. 2 is the structural representation of the utility model test button device active and static contact and the first boss and the second boss;
Fig. 3 is the structural representation of the utility model test button device first boss;
Fig. 4 is the structural representation of the utility model test button device second boss;
Fig. 5 is the structural representation of the utility model test button device movable contact spring;
Fig. 6 is the structural representation of the utility model test button device static contact;
Fig. 7 is the part-structure schematic diagram of the utility model residual current action breaker pedestal;
Fig. 8 is the structural representation of the utility model test button device button.
Embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 8 provides, further illustrate the utility model residual current action breaker embodiment.The utility model residual current action breaker is not limited to the description of following examples.
As Figure 1-3, a kind of test button device of residual current action breaker, comprise button 5, inside is equipped with the case 1 of test button device, movable contact spring 2 and static contact 3, movable contact spring 2 and static contact 3 arrange correspondence on the outer wall of one end of case 1, and case 1 is provided with the first boss 11 and the second boss 12 be connected with movable contact spring 2 and static contact 3 buckle respectively, and movable contact spring 2 can be connected with case 1 buckle from the first boss 11 with the side insertion of the second boss 12 respectively with static contact 3.One end of described case 1 is provided with the first boss 11 be connected with movable contact spring 2, the first fixed leg 111 be connected with movable contact spring 2 is extended in the middle of described first boss 11 side, first fixed leg 111 and envelope surface leave the first space that movable contact spring 2 passes through, described first boss 11 two ends extend the second fixed leg 112 respectively to the same side of the first fixed leg 111 and the 3rd fixed leg 113, first fixed leg 111, second fixed leg 112, the 3rd fixed leg 113 form with the surface of case 1 limited impression 114 be connected with movable contact spring 2 jointly; In the middle of described movable contact spring 2, one section is recessed to form the spill section 21 be connected with limited impression 114 downwards.During installation, movable contact spring 2 inserts the first boss 11 of case 1 from the side, spill section 21 buckle of movable contact spring 2 is connected in limited impression 114, case 1 is connected with the buckle of movable contact spring 2 to replace and adopts screw to fix movable contact spring and pedestal, optimize in pedestal and fix insert nut, simplify process flow, alleviate operation difficulty, improve operating efficiency.
As shown in Fig. 1-4,6, one end of described case 1 is provided with the first relative side of boss 11 the second boss 12 be connected with static contact 3, described second extends the 4th fixed leg 121 be connected with static contact 3 in the middle of boss 12 side, and described static contact 3 one sections raises up the raised section 31 being formed and be connected with the 4th fixed leg 121; The 5th fixed leg 122 and the 6th fixed leg 123 are extended respectively to the same side of the 4th fixed leg 121 in described second boss 12 two ends; The two ends of described fixed contact 3 are provided with the first flat segments 32 and the second flat segments 33,5th fixed leg 122 and the 6th fixed leg 123 and envelope surface leave the Second gap be connected with the first flat segments 32 and second flat segments 33 of static contact 3 respectively, and described 4th fixed leg 121 is provided with along the installation direction of static contact 3 the second chamfering 121a be convenient to static contact 3 and inserted.First flat segments 32 of described static contact 3 extends the side of the 5th fixed leg 122, the both sides that first flat segments 32 stretches out the 5th fixed leg 122 part are provided with the second fixture block 124 and leave the gap that static contact 3 passes through between the 3rd fixture block the 125, three fixture block 125 and the 5th fixed leg 122.Described 3rd fixture block 125 is provided with along the installation direction of static contact 3 the first chamfering 125a be convenient to static contact 3 and inserted, after static contact 3 inserts the second boss 12 from the side, second fixture block 124 and the 3rd fixture block 125 are located at the both sides that the first flat segments 32 stretches out the 5th fixed leg 122 part, the displacement of restriction static contact.Equally, case arranges the second boss 12 in one end relative with the first boss 11, during installation, static contact 3 inserts the second boss 12 from the side, the raised section 31 of static contact 3 is sleeved on the 4th fixed leg 121, first flat segments 32 of static contact 3 and the second flat segments 33 are inserted in the Second gap that the 5th fixed leg 122 and the second fixed leg 123 and envelope surface formed respectively from the side, static contact 3 is connected to one end of case 1 by the second boss 12 buckle, case 1 is connected with the buckle of static contact 3 to replace and adopts screw to fix static contact and pedestal, optimize in pedestal and fix insert nut, simplify process flow, alleviate operation difficulty, improve operating efficiency.
As shown in Fig. 2,3,5, the two ends of described movable contact spring 2 are respectively equipped with contact chip 22 and stator 23, and contact chip 22 is held on the 3rd fixed leg 113, improve the stability that movable contact spring 2 is connected with case 1.Contact chip 22 is pushed down in one end of button 5, and contact chip 22 moves up and down with button 5 and realizes movable contact spring 2 and be contacting and separating with static contact 3; Stator 23 is held on the second fixed leg 112, and the end of the second fixed leg 112 is provided with the first fixture block 115 of restriction stator 23 displacement, and the displacement of restriction movable contact spring, improves the stability of movable contact spring further.
As shown in figs. 5 and 8, described contact chip 22 both sides are provided with flange 221 towards one end of button 5, described button 5 and the both sides, one end that movable contact spring 2 connects are provided with the inclined-plane 51 corresponding with contact chip 22 liang of side flangings 221, contact chip 22 is pushed down in one end, inclined-plane 51 of button 5, be arranged in the flange of contact chip 22 both sides, prevent button from offseting in motion process, in order to ensure the reliability that contact chip 22 is connected with button 5 further, the angle of contact chip 22 liang of side flangings 221 should be set to 110 °-120 °.
As shown in Figure 1 and Figure 7, described case 1 can be arranged in the pedestal 4 of circuit breaker; The other end of case 1 is connected with the bottom of pedestal 4, the other end opening of case 1, the bottom of pedestal 4 is provided with the postive stop baffle 41 of the fixing case 1 mated with the opening of case 1, the sidewall that pedestal 4 is connected with case 1 is provided with limit fastener block 42, and limit fastener block 42 two side is provided with the groove 421 be connected with case 1; Case 1 is provided with the bar shaped perforate 13 corresponding with limit fastener block 42 grooves on two sides 421 with the sidewall that pedestal 4 connects; The lid (not shown) of circuit breaker is provided with the limit rib moved up and down of spacing case 1, and the lid of circuit breaker is fixedly connected with pedestal 4 one end that rear limit rib pushes down case 1, realizes case 1 further and is connected with the firm of pedestal 4.Button 5 correspondence is arranged on the lid of circuit breaker, and pressing button 5 can realize the contact of dynamic/static contact.The relative both sides sidewall of described case 1 is respectively equipped with three radiating grooves 14, the setting of radiating groove 14, the heat sinking function of strengthen test pushbutton unit, product is more safe and reliable, the quantity of radiating groove and setting position, can be arranged accordingly according to the stuctures and properties of closed test pushbutton unit.Case 1 inserts in limit fastener block 42 grooves on two sides 421 of pedestal sidewall by bar shaped perforate 13 side that it is arranged, moving up and down of the spacing case 1 of limit rib is increased again on the lid of circuit breaker, realize case 1 to be connected with the firm of pedestal 4, case 1 replaces with the inserting mode of pedestal 4 fixed form adopting screw, make case can complete the assembling with pedestal on a station, simplify process flow, reduce operation difficulty.
The test button device of residual current action breaker of the present utility model, boss on the one hand by arranging at one end outer wall of case, active and static contact can insert in case from the side, the buckle of both realizations connects, replace and adopt screw to fix movable contact spring and pedestal, optimize in pedestal and fix insert nut; Test button case and pedestal adopt the fixed form of grafting on the other hand, replace the fixed form adopting screw, make case can complete the assembling with pedestal on a station, simplify process flow, alleviate operation difficulty, improve operating efficiency, reduce production cost.Provide a kind of structure simple, cost is low, the test button device of the residual current action breaker that reliability is high.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. the test button device of a residual current action breaker, comprise button (5), movable contact spring (2) and static contact (3), it is characterized in that: also comprise the case (1) that inside is equipped with test button device, described movable contact spring (2) and static contact (3) correspondence are arranged on the outer wall of one end of case (1), case (1) is provided with the first boss (11) and the second boss (12) that are connected with movable contact spring (2) and static contact (3) buckle respectively, movable contact spring (2) can be connected with case (1) buckle from the first boss (11) with the side insertion of the second boss (12) respectively with static contact (3).
2. the test button device of residual current action breaker according to claim 1, it is characterized in that: in the middle of described first boss (11) side, extend the first fixed leg (111) be connected with movable contact spring (2), first fixed leg (111) and envelope surface leave the first space that movable contact spring (2) passes through, the second fixed leg (112) and the 3rd fixed leg (113) are extended respectively to the same side of the first fixed leg (111) in described first boss (11) two ends, first fixed leg (111), second fixed leg (112), 3rd fixed leg (113) and the surface of case (1) form the limited impression (114) be connected with movable contact spring (2) jointly, in the middle of described movable contact spring (2), one section is recessed to form the spill section (21) be connected with limited impression (114) downwards.
3. the test button device of residual current action breaker according to claim 1, it is characterized in that: extends the 4th fixed leg (121) be connected with static contact (3) in the middle of described second boss (12) side, described static contact (3) sections raises up the raised section (31) being formed and be connected with the 4th fixed leg (121); The 5th fixed leg (122) and the 6th fixed leg (123) are extended respectively to the same side of the 4th fixed leg (121) in described second boss (12) two ends; The two ends of described fixed contact (3) are provided with the first flat segments (32) and the second flat segments (33), and the 5th fixed leg (122) and the 6th fixed leg (123) and envelope surface leave the Second gap be connected with first flat segments (32) of static contact (3) and the second flat segments (33) respectively.
4. the test button device of residual current action breaker according to claim 1, it is characterized in that: the two ends of described movable contact spring (2) are respectively equipped with contact chip (22) and stator (23), contact chip (22) is held on the 3rd fixed leg (113), contact chip (22) is pushed down in one end of button (5), and contact chip (22) moves up and down with button (5) and realizes movable contact spring (2) and static contact (3) and be contacting and separating; Stator (23) is held on the second fixed leg (112), and the end of the second fixed leg (112) is provided with first fixture block (115) of restriction stator (23) displacement.
5. the test button device of residual current action breaker according to claim 1, it is characterized in that: one end of described movable contact spring (2) is provided with contact chip (22), contact chip (22) both sides are provided with flange (221) towards one end of button (5).
6. the test button device of residual current action breaker according to claim 5, it is characterized in that: described button (5) and the both sides, one end that movable contact spring (2) connects are provided with the inclined-plane (51) corresponding with contact chip (22) two side flanging (221), the angle of described contact chip (22) two side flanging (221) should be set to 110 °-120 °.
7. the test button device of residual current action breaker according to claim 3, it is characterized in that: first flat segments (32) of described static contact (3) extends the side of the 5th fixed leg (122), the both sides that first flat segments (32) stretches out the 5th fixed leg (122) part are provided with the second fixture block (124) and the 3rd fixture block (125), leave the gap that static contact (3) passes through between the 3rd fixture block (125) and the 5th fixed leg (122).
8. the test button device of residual current action breaker according to claim 1, is characterized in that: described case (1) can be arranged in the pedestal (4) of circuit breaker; The other end of case (1) is connected with the bottom of pedestal (4), the other end opening of case (1), the bottom of pedestal (4) is provided with the postive stop baffle (41) of the fixing case (1) mated with the opening of case (1), the sidewall that pedestal (4) is connected with case (1) is provided with limit fastener block (42), and limit fastener block (42) two side is provided with the groove (421) be connected with case (1); Case (1) and the sidewall that pedestal (4) connects are provided with the bar shaped perforate (13) corresponding with limit fastener block (42) grooves on two sides (421).
9. the test button device of residual current action breaker according to claim 1, is characterized in that: the sidewall of described case (1) is provided with at least one radiating groove (14).
10. the test button device of residual current action breaker according to claim 8, it is characterized in that: the lid of circuit breaker is provided with the limit rib moved up and down of spacing case (1), the lid of circuit breaker is fixedly connected with rear limit rib with pedestal (4) and pushes down case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420667219.2U CN204348650U (en) | 2014-11-10 | 2014-11-10 | The test button device of residual current action breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420667219.2U CN204348650U (en) | 2014-11-10 | 2014-11-10 | The test button device of residual current action breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348650U true CN204348650U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420667219.2U Active CN204348650U (en) | 2014-11-10 | 2014-11-10 | The test button device of residual current action breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204348650U (en) |
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2014
- 2014-11-10 CN CN201420667219.2U patent/CN204348650U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Test button device of residual current operated circuit breaker Granted publication date: 20150520 License type: Common License Record date: 20201021 |
|
| EE01 | Entry into force of recordation of patent licensing contract |