CN202523653U - Resetting device for trip actuator - Google Patents
Resetting device for trip actuator Download PDFInfo
- Publication number
- CN202523653U CN202523653U CN2012201330397U CN201220133039U CN202523653U CN 202523653 U CN202523653 U CN 202523653U CN 2012201330397 U CN2012201330397 U CN 2012201330397U CN 201220133039 U CN201220133039 U CN 201220133039U CN 202523653 U CN202523653 U CN 202523653U
- Authority
- CN
- China
- Prior art keywords
- restoring board
- housing case
- metallic plate
- resetting means
- release link
- 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 - Lifetime
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Abstract
The utility model provides a resetting device for a trip actuator, which comprises a spindle, a resetting plate driven by the spindle, and an accommodating shell driven by the resetting plate. When the spindle rotates, the resetting plate is driven to perform a rotary motion. The rotary motion of the resetting plate drives the accommodating shell to move up and down. The lower end of a resetting rod is positioned in the accommodating shell and is connected with the accommodating shell, so that the resetting rod is driven to move up and down by the accommodating shell. When the spindle drives the resetting plate to rotate, the top sheet of the spindle directly contacts the force application part of the resetting plate to drive the resetting plate to rotate. The resetting device for a trip actuator has the advantages of simple structure, easy assembly and lowered manufacturing cost.
Description
Technical field
The utility model relates to field of circuit breakers, is specifically related to make the resetting means of the dropout executive component of breaker open operation.
Background technology
When circuit breaker broke down, electronic trip unit sent instruction and gives the dropout executive component, makes breaker open operation, and it is an important defencive function of circuit breaker.Behind breaker open operation, need resetting means that the dropout executive component is resetted, to be used for the dropout protection of next time.
The resetting means of dropout executive component commonly used is usually located at the tripping coil below now, and the tripping coil lower end connects armature, and the lower end of armature connects trigger; More specifically, resetting means is positioned at the below of trigger, and resetting means comprises main shaft; Restoring board, release link, housing case and return spring, restoring board are provided with the stainless steel spring sheet, drive the restoring board rotation by main shaft; Drive the housing case motion by restoring board; Drive the release link motion by housing case, upwards promote jack-up trigger and armature, tripping coil armature is resetted by release link.
When the resetting means execution resetted task, main shaft promoted the end of the stainless steel spring sheet on the restoring board, and the stainless steel spring sheet drives the restoring board rotation; Restoring board drives housing case and moves upward, and housing case drives release link and moves upward, and release link is with the trigger jack-up that makes progress; Trigger promotes armature upwards, during state before trigger, armature and tripping coil return to breaker open operation, is connected returning spring pulling restoring board on the restoring board and gets back to the state of main shaft before not rotating; At this moment; Circuit breaker is in "on" position, and tripping coil armature is in attracting state, to prepare to carry out the dropout protection of next time.
Fig. 1 show the restoring board 1 of prior art ' perspective view; It comprises first accommodation section 10 ' with second accommodation section 11 '; Second accommodation section 11 ' be used for interacting to promote release link with the housing case of ccontaining release link bottom; Restoring board 1 ' be provided with stainless steel spring sheet 13, stainless steel spring sheet 13 and restoring board 1 ' through screw shoot restoring board 1 ' with restoring board 1 ' on piercing and flanging 14 and be connected mutually, stainless steel spring sheet 13 be provided with power service portion 12 '.
In the resetting means that uses now; The main shaft top flat contacts with the power service portion 12 ' of stainless steel spring sheet 13, thus, and in reseting procedure; The power of main shaft be applied to the power service portion 12 of the stainless steel spring sheet 13 of restoring board ' on, and drive restoring boards 1 ' through stainless steel spring sheet 13.
But; Because the stainless steel spring sheet is contained on the restoring board by set screws; The material of stainless steel spring sheet and technology cost are higher; And when the stainless steel spring sheet is fixed on the restoring board, need on restoring board, use piercing and flanging technology to guarantee the effective length of screw tapping, so manufacturing cost is also higher.
Summary of the invention
The utility model is intended to propose a kind of resetting means, and the restoring board manufacturing cost that has now in the resetting means is high to overcome, the shortcoming of installation complicacy, and can realize the reset effect identical with the resetting means of prior art.
The technical scheme of the resetting means that the utility model provided is following:
A kind of resetting means comprises: main shaft, by the restoring board of said main shaft drive; Said restoring board rotatablely moves when main shaft rotates, and by the housing case that said restoring board drives, the drive housing case that rotatablely moves of restoring board moves up and down; The lower end part of release link is in said housing case; Be connected with said housing case, drive said release link by said housing case and move up and down, wherein; Promote in the restoring board rotary course at main shaft, said main shaft top flat directly contacts the power service portion of said restoring board to promote the restoring board rotation.
The resetting means that the utility model provided is compared with the resetting means of prior art; Promote in the restoring board process at main shaft, the thrust of main shaft is that promptly the active force of main shaft acts directly on the restoring board through the directly power service portion promotion restoring board rotation of the said restoring board of contact of main shaft top flat; Therefore; Need the stainless steel spring sheet be set on restoring board, like this, simplify the structure of restoring board so that the masterpiece of main shaft is used for the end of stainless steel spring sheet; Reduced and made required parts and the assembling thereof of restoring board, reduced manufacturing cost.
Said restoring board; Be bent into by the rectangle metallic plate; Direction on the long limit that is parallel to the rectangle metallic plate is provided with open-ended first accommodation section of a side minor face at the rectangle metallic plate, is provided with second accommodation section being parallel to this first accommodation section, and the opening direction of the opening direction of second accommodation section and first accommodation section is opposite; At open end place bending metallic plate in abutting connection with second accommodation section; The plate face of metallic plate is with arc transition, and the angle between the plate face is less than 90 °, and said power service portion outwards is bent to form and is arranged on the opposite side minor face end of rectangle metallic plate by metallic plate.
The incomplete structure of this restoring board the stainless steel spring sheet on the restoring board of the prior art, and a side end of restoring board prolonged, form the power service portion.Restoring board after the improvement can be realized the combination identical functions with restoring board of the prior art and stainless steel spring sheet, and is simple in structure, and assembling easily.
Said housing case has outer Access Division, and the metallic plate of both sides, second accommodation section is connected in the said outer Access Division.
Adopt this configuration, be connected with the clamping of the outer Access Division of housing case, make the motion of restoring board drive the housing case motion by the metallic plate of both sides, restoring board second accommodation section.
Said housing case upper end has interior Access Division; Be provided with stage clip in the housing case, stage clip one end is fixed on the housing case bottom, and the other end is connected with said release link; The bottom clamping of Access Division and release link can not be deviate from the bottom of release link from housing case in said.
The interior Access Division of housing case and the end clamping of release link, and the width of the groove of offering on the interior Access Division is less than the width of release link end, and therefore, the release link end can not be deviate from from interior Access Division.In housing case, be provided with stage clip, in non-reseting procedure, stage clip is with the release link jack-up that makes progress; When restoring board drove the housing case motion, release link received the power that stage clip makes progress, and moves upward; Using the advantage of stage clip is can cushion restoring board to be applied to the power on the release link through housing case; Like this, the power that is applied on the trigger of tripping coil below obtains buffering, the structure of not fragile trigger, armature and tripping coil.
The one side metallic plate at the power service portion place of said restoring board is provided with through hole, and this through hole is connected to firm banking through extension spring.
When restoring board is rotated counterclockwise, the stretching extension spring, after resetting means had been accomplished the task that resets, the pulling force after stretching through the extension spring that is connected with this through hole was withdrawn into initial position with restoring board and release link, thought resetting and prepare next time.
Further, said metallic plate is a steel plate.
The resetting means that the utility model provided can be realized the effect identical with resetting means of the prior art; And reduced the use of the stainless steel spring sheet on the restoring board of resetting means of the prior art; Simple in structure, assembling has reduced manufacturing cost easily.
Description of drawings
Other advantage of the utility model and characteristic will only become obviously clear more with the explanation that provide and expression specific embodiment of the present invention in the accompanying drawings of the purpose of non-limiting example from ensuing, in the accompanying drawings:
Fig. 1 is the perspective view of the restoring board of prior art;
Fig. 2 is the perspective view of the restoring board of the utility model;
Fig. 3 is that the resetting means of the utility model is not carried out the perspective view when resetting task, and it also comprises tripping coil that is positioned at the resetting means top and armature, the trigger that does not discharge;
Fig. 4 is that the resetting means of the utility model is not carried out the perspective view when resetting task, and it also comprises the tripping coil that is positioned at resetting means top and the armature that has discharged, trigger;
Fig. 5 is that the resetting means of the utility model has just executed the perspective view when resetting task, and it also comprises tripping coil and armature that has resetted and the trigger that is positioned at the resetting means top.
Description of reference numerals
1,1 ' restoring board
10,10 ' the first accommodation sections
11,11 ' the second accommodation sections
12,12 ' power service portion
13 stainless steel spring sheets
14 piercing and flangings
2 tripping coils
3 armature
4 triggers
5 main shafts
6 release links
7 housing cases
8 stage clips
9 extension springs
15 main shaft top flats
16 firm bankings
17 through holes
Embodiment
Referring now to Fig. 2 to Fig. 5 the utility model is done further detailed explanation.
The concrete structure of the restoring board of the utility model is as shown in Figure 2; Restoring board 1 is bent into by the rectangle metallic plate; Direction on the long limit that is parallel to the rectangle metallic plate is provided with in a side minor face of rectangle metallic plate 10, the second accommodation sections 11, open-ended first accommodation section and first accommodation section 10 and laterally arranges, and the opening direction of the opening direction of second accommodation section 11 and first accommodation section 10 is opposite; At open end place bending metallic plate in abutting connection with second accommodation section 11; Promptly slightly bend metallic plate to the position of opposite side minor face at the open end place of second accommodation section 11, with the plate face of arc transition metallic plate, the angle between the plate face of metallic plate is less than 90 °; Outwards be bent to form power service portion 12 by metallic plate, and be arranged on the opposite side minor face end of rectangle metallic plate.
Fig. 3 shows the resetting means of the utility model and does not carry out the perspective view when resetting task, also comprises tripping coil and the armature and the trigger that do not discharge above it.
As shown in Figure 3, this resetting means comprises main shaft 5, restoring board 1 etc.The power service portion 12 of restoring board 1 is corresponding with main shaft top flat 15, therefore, during main axis rotation, promotes restoring board 1 through main shaft top flat 15 and rotates.Restoring board 1 and housing case 7 clampings; Therefore the drive housing case 7 that rotatablely moves of restoring board 1 moves up and down; The lower end part of release link 6 is in housing case 7, and it is connected with stage clip 8 in the housing case 7, and the other end of stage clip 8 is fixedly connected on the bottom of housing case 7.
Through stage clip 8 respectively with being connected of release link 6 and housing case 7, the moving up and down of housing case 7 drives release link 7 and moves up and down.When execution resets task, when release link 6 moves upward, can jack-up trigger 4, trigger 4 drives armature and resets.
In this resetting means, the thrust of main shaft 5 is power service portion 12 promotion restoring boards 1 rotations through the said restoring board 1 of main shaft top flat 15 conflicts, and the active force of main shaft 5 directly acts on the restoring board 1.The resetting means of therefore relative prior art; Need stainless steel spring sheet 13 be set on restoring board so that the masterpiece of main shaft 5 is used for the end of stainless steel spring sheet 13 (Fig. 1 illustrates); Like this; Simplify the structure of restoring board, reduced and made required parts and the assembling thereof of restoring board, reduced manufacturing cost.
Because compare with the restoring board 1 ' of prior art, omitted the stainless steel spring sheet 13 on the restoring board of the prior art according to the restoring board 1 of the utility model, and a side end of restoring board 1 has been prolonged, form power service portion 12.Therefore, can realize and restoring board 1 of the prior art ' and stainless steel spring sheet 13 identical functions that simple in structure, assembling easily according to the restoring board 1 of the utility model.
Return Fig. 3, said housing case 7 has outer Access Division, and the metallic plate of 11 both sides, second accommodation section is connected in the outer Access Division.The metallic plate of 11 both sides, second accommodation section through restoring board 1 is connected with the clamping of the outer Access Division of housing case 7, and the motion of restoring board 1 can drive housing case 7 motions.
Housing case 7 also has interior Access Division simultaneously; Be provided with stage clip 8 in the housing case 7, stage clip 8 one ends are fixed on housing case 7 bottoms, and the other end is connected with said release link 6; The bottom clamping of Access Division and release link 6 in said; The width of the groove of offering on the interior Access Division is less than the width of the bottom of release link 1, and therefore, the end of release link 1 can not be deviate from from interior Access Division.
In housing case 7, also be provided with stage clip 8, do not carry out when resetting task at resetting means, stage clip 8 is with release link 6 jack-up upwards; When restoring board 1 drove housing case 7 motions, release link 1 received the upwards power on top of stage clip 8, moves upward; Using the advantage of stage clip 8 is can cushion restoring board 1 to be applied to the power on the release link 6 through housing case 7, and this impulsive force is usually bigger, if do not cushion; Release link 6 upwards the impulsive force on top easily with the structural failure of trigger 4, armature 3 and tripping coil 2; After stage clip 8 was set, the power that is applied on the trigger of tripping coil 2 belows obtained buffering, has avoided the appearance of above-mentioned damaged condition.
On a side metallic plate at the power service portion of restoring board 1 12 places, also be provided with through hole 15, through hole 15 is connected to firm banking 16 through extension spring 9.In the whole process of resetting means motion, firm banking 16 keeps motionless, and firm banking 16 is fixed on ground or the metope usually.
When restoring board 1 rotation, stretching extension spring 9 after resetting means 1 has been accomplished the task that resets, is withdrawn into initial position through the pulling force after extension spring 9 stretchings that are connected with this through hole 15 with restoring board 1 and release link 6, thinks resetting and prepare next time.
The material of restoring board 1 is preferably steel plate, also can be other material that is fit to.
Next combine Fig. 3 to Fig. 5, the course of work of the resetting means of the utility model is described.
As shown in Figure 3, this moment, circuit breaker was in "on" position, and the armature 3 of tripping coil 2 is in attracting state, and have certain interval between release link 6 and the trigger 4 this moment.As shown in Figure 4, when fault current such as short circuit occurring when circuit breaker, electronic trip unit sends instruction, makes the armature 3 of tripping coil 2 discharge, and drives trigger 4 and makes short-circuiting device mechanism and main shaft carry out the separating brake action.At this moment, armature discharges, and release link contacts with armature, and armature can not contact with release link after discharging yet certainly, the as directed direction of arrow rotation of trigger.As shown in Figure 5, need reset the armature 3 that discharges this moment, and main shaft 5 is rotated counterclockwise; Restoring board 1 rotates shown in arrow among the figure, and release link 6 moves upward, until jack-up trigger 4; Make armature be reset to position as shown in Figure 3, this moment, the task that resets of resetting means was complete.
Again next, the pulling force of the extension spring after the stretching 9 retracts position as shown in Figure 3 with restoring board and release link 6.
More than the utility model has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; Change on embodiment and range of application should not thought the scope that has departed from the utility model protection, and in sum, this description should not be construed as the restriction to the utility model.
Claims (6)
1. resetting means; Comprise: main shaft (5); By the restoring board (1) that said main shaft (5) drives, said restoring board (1) rotatablely moves when said main shaft (5) rotates, by the housing case (7) of said restoring board (1) drive; The said housing case of drive (7) that rotatablely moves of said restoring board (1) moves up and down; The lower end part of said release link (6) is connected with said housing case (7) in said housing case (7), drives said release link (1) by said housing case (7) and moves up and down; It is characterized in that: promote in said restoring board (1) rotary course at said main shaft (5), said main shaft top flat (15) directly contacts the power service portion (12) of said restoring board (1) to promote said restoring board (1) rotation.
2. resetting means according to claim 1; It is characterized in that: said restoring board (1); Be bent into by the rectangle metallic plate; Direction on the long limit that is parallel to the rectangle metallic plate is provided with open-ended first accommodation section of a side minor face (10) at the rectangle metallic plate, is provided with second accommodation section (11) being parallel to said first accommodation section (10), and the opening direction of the opening direction of said second accommodation section (11) and said first accommodation section (10) is opposite; At open end place bending metallic plate in abutting connection with said second accommodation section (11); The plate face of metallic plate is with arc transition, and the angle between the plate face is less than 90 °, and said power service portion (12) outwards is bent to form and is arranged on the opposite side minor face end of rectangle metallic plate by metallic plate.
3. resetting means according to claim 2 is characterized in that: said housing case (7) has outer Access Division, and the metallic plate of both sides, said second accommodation section (11) is connected in the said outer Access Division.
4. resetting means according to claim 2; It is characterized in that: said housing case (7) upper end has interior Access Division; Be provided with stage clip (8) in the said housing case (7), said stage clip (8) one ends are fixed on said housing case (7) bottom, and the other end is connected with said release link (6); The bottom clamping of Access Division and said release link (6) can not be deviate from the bottom of said release link (6) from said housing case (7) in said.
5. according to any described resetting means in the claim 2 to 4; It is characterized in that: a side metallic plate at said power service portion (12) place of said restoring board (1) is provided with through hole (17), and said through hole (17) is connected to firm banking (16) through extension spring (9).
6. according to any described resetting means in the claim 2 to 4, it is characterized in that: said metallic plate is a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201330397U CN202523653U (en) | 2012-03-31 | 2012-03-31 | Resetting device for trip actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201330397U CN202523653U (en) | 2012-03-31 | 2012-03-31 | Resetting device for trip actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523653U true CN202523653U (en) | 2012-11-07 |
Family
ID=47106588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201330397U Expired - Lifetime CN202523653U (en) | 2012-03-31 | 2012-03-31 | Resetting device for trip actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615661A (en) * | 2016-12-13 | 2018-10-02 | 上海良信电器股份有限公司 | Flux converter for circuit breaker resets bent plate |
-
2012
- 2012-03-31 CN CN2012201330397U patent/CN202523653U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615661A (en) * | 2016-12-13 | 2018-10-02 | 上海良信电器股份有限公司 | Flux converter for circuit breaker resets bent plate |
| CN108615661B (en) * | 2016-12-13 | 2024-03-15 | 上海良信电器股份有限公司 | Reset bending plate of magnetic flux converter of 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 |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |