CN201514868U - Symmetrical arrangement double-acting spring over-centering electric spring mechanism - Google Patents
Symmetrical arrangement double-acting spring over-centering electric spring mechanism Download PDFInfo
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- CN201514868U CN201514868U CN 200920311348 CN200920311348U CN201514868U CN 201514868 U CN201514868 U CN 201514868U CN 200920311348 CN200920311348 CN 200920311348 CN 200920311348 U CN200920311348 U CN 200920311348U CN 201514868 U CN201514868 U CN 201514868U
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- spring
- connecting lever
- energy storage
- main shaft
- crank arm
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Abstract
The utility model discloses a symmetrical arrangement double-acting spring over-centering electric spring mechanism, which comprises a main shaft, two output crank arms, an energy storage spring component, a connection component and an energy storage crank arm, wherein the two crank arms can not connected with the main shaft in a relative rotation mode, the connection component comprises a spring crank arm which can butt the output crank arms to drive the main shaft to rotate and two connecting pins symmetrically and fixedly arranged at the left and the right of the spring crank arm, the connecting pins are pivoted at the free ends of the energy storage spring component, the spring crank arm is a fork-type crank arm and comprises a middle seat and two connecting pieces symmetrically positioned at the left and the right of the middle seat, and the connecting pieces idly sleeve the main shaft. The energy storage crank arm is idly sleeved outside the main shaft and can butt the middle seat to make the spring crank arm rotate relative to the main shaft, wherein the energy storage crank arms are symmetrically arranged relative to the axis of the energy storage crank arm component, the two output crank arms are symmetrically arranged at the left and the right of the energy storage crank arm, and the two connecting pieces of the spring crank arm are symmetrically arranged at the left and the right of the energy storage crank arm.
Description
Technical field
The utility model relates to a kind of symmetric arrangement bidirectional spring and crosses middle electric spring mechanism.
Background technology
Existing electric spring mechanism is called the utility model of " stored energy mechanism of spring operating mechanism " as the utility model name of Chinese patent database bulletin, and the patent No. of this utility model is CN200810019714.1.This utility model, he has disclosed the spring operation parts of the low-voltage circuit breaker in the low pressure equipment for power transmission and distribution, the stored energy mechanism of this spring operating mechanism is stored in the power of dynamical system input in the energy-stored spring, so as in feed motion rapid release.Yet, in existing electric spring mechanism, mechanism is in the energy storage stage, the energy storage connecting lever is positioned at a side in spring assembly axle center, and output toggle arm is positioned at the opposite side in spring assembly axle center, and, energy storage connecting lever or output toggle arm are with respect to spring assembly axle center asymmetric (or misaligning layout), having a twisting resistance around the spring assembly axle center in thermal energy storage process acts on the spring connecting lever, and because spring connecting lever sky is enclosed within on the main shaft, extra this twisting resistance that increases can increase the frictional force of spring connecting lever and main shaft.This frictional force may make output toggle arm and main shaft the action that should not have occur when spring energy-storage, and makes the switch that is connected with mechanism break away from service position, the safety that jeopardizes switch.
The utility model content
The utility model provides a kind of symmetric arrangement bidirectional spring to cross middle electric spring mechanism, and it has overcome the deficiency of the safety of the existing entail dangers to switch of electric spring mechanism in the background technology.
The technical scheme that its technical problem that solves the utility model adopts is:
The symmetric arrangement bidirectional spring is crossed middle electric spring mechanism, and be characterised in that: it comprises:
One main shaft;
Two output toggle arms, this two output toggle arm can not be connected main shaft with relatively rotating;
One energy-stored spring assembly, it has a stiff end and a free end, and other defines a median surface, this median surface vertical major axis, and the axis of this energy-stored spring assembly is positioned on the median surface;
One coupling assembling, it comprises that one can the contact output toggle arm makes it drive connecting pin about spring connecting lever that main shaft rotates and two symmetries are installed in the spring connecting lever, this connecting pin is articulated in the free end of energy-stored spring assembly, this spring connecting lever is the symmetrically arranged V shape connecting lever of relative median surface, it comprises the brace about a middle base and two symmetries are positioned at middle base, the empty cover of this brace main shaft; And
The energy storage connecting lever that one can the contact middle base makes the spring connecting lever rotate relative to main shaft, its sky is enclosed within outside the main shaft, wherein, the relative median surface symmetric arrangement of this energy storage connecting lever, this two output toggle arm is symmetrically arranged in about the energy storage connecting lever, and two braces of this spring connecting lever are symmetrically arranged in about the energy storage connecting lever.
In a preferred embodiment, this coupling assembling is between two output toggle arms.
In a preferred embodiment, this connecting pin parallel main axis, and pass output toggle arm in the projection of main shaft.
In a preferred embodiment, this output toggle arm has the pawl that is subjected to of two symmetrically arranged outside protrusions, and this connecting pin is subjected between the pawl at two of output toggle arm.
In a preferred embodiment, this energy storage connecting lever has the driving claw of two symmetrically arranged outside protrusions, and this middle seat is between two driving claws of energy storage connecting lever.
In a preferred embodiment, the free end of this energy-stored spring assembly is provided with two spacers, all is provided with a pivot hole on this two spacer, and two connecting pins are overlapped in the pivot hole of this two spacer pivot respectively, and this two spacers symmetry is positioned at about the spring connecting lever.
The technical program is compared with background technology, it has following advantage: the axis symmetric arrangement of the relative energy storage connecting lever of this energy storage connecting lever assembly, this two output toggle arm is symmetrically arranged in about the energy storage connecting lever, two braces of this spring connecting lever are symmetrically arranged in about the energy storage connecting lever, this symmetric arrangement can avoid occurring moment of torsion, avoid energy storage connecting lever, brace contact at main shaft, avoid the energy storage connecting lever, drive the main shaft rotation when brace rotates, thereby guaranteed the safety of switch; 2. the spring connecting lever has adopted the V shape connecting lever, is convenient to assembling.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
The schematic perspective view of electric spring mechanism during Fig. 1 symmetric arrangement bidirectional spring of the present utility model is crossed.
The principle schematic of electric spring mechanism during Fig. 2 symmetric arrangement bidirectional spring of the present utility model is crossed.
Fig. 3 crosses the schematic top plan view of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Fig. 4 crosses the generalized section of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Fig. 5 crosses the schematic perspective view of the energy storage connecting lever of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Fig. 6 crosses the schematic perspective view of the output toggle arm of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Fig. 7 crosses the schematic diagram of the spring connecting lever of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Fig. 8 crosses the generalized section of the spring connecting lever of middle electric spring mechanism for symmetric arrangement bidirectional spring of the present utility model.
Embodiment
See also Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the symmetric arrangement bidirectional spring is crossed middle electric spring mechanism, and it comprises a pedestal 100, a main shaft 200, an energy-stored spring assembly 300, an energy storage connecting lever 400, a coupling assembling, two output toggle arms 700.
Two ends of this main shaft 200 are hubbed on the pedestal 100 by bearing 210.
This energy-stored spring assembly 300, it has a spring 310, a stiff end and a free end, is provided with the spacer 320 of two relative spring 310 axis symmetric arrangement on this free end, all is provided with a pivot hole on this two spacer 320.
Please refer to Fig. 5, this energy storage connecting lever 400, its sky is enclosed within on the main shaft 200, and the axis of its relative spring 310 is symmetrical set, and makes common symmetrical plane (that is to say median surface) vertical major of forming 200 of axis of the center line of energy storage connecting lever 400 and spring 310.This energy storage connecting lever 400 has the driving claw 410 of two symmetrically arranged outside protrusions.Among the present embodiment, this energy storage connecting lever 400 cooperates motor 420, screw mandrel 430, nut 440 and bearing pin 450, also be provided with shift fork 460 on this energy storage connecting lever 400, this motor 420 drives screw mandrel 430 by reduction box and rotates, this screw mandrel 430 drives nut 440 and moves relative to screw mandrel 430 axis, this bearing pin 450 is installed on the nut 440, and the open slot of this bearing pin 450 and shift fork 460 cooperates can drive 400 rotations of energy storage connecting lever.
See also Fig. 1, Fig. 2, Fig. 3 and Fig. 4, this coupling assembling, it comprises the connecting pin 600 about a spring connecting lever 500 and two symmetries are installed in spring connecting lever 500.This two connecting pin 600 passes the pivot hole of two spacers 320 of the free end of energy-stored spring assembly 300, make this energy storage connecting lever 500 energy-stored spring assembly 300 that is rotationally connected, make these two spacers, 320 symmetries be positioned at about the spring connecting lever 500, make this connecting pin parallel main axis.Please refer to Fig. 7, Fig. 8, this spring connecting lever 500 is the V shape connecting lever, and it comprises the brace 520 about a middle base 510 and two symmetries are positioned at middle base 510, these brace 510 empty cover main shafts 200.Wherein: line is positioned on the symmetrical plane among this middle base 510, and these middle base 510 relative axle of spring are symmetrical arranged, and these two braces, 510 symmetries are positioned at about the energy storage connecting lever 400; This middle base 510 is between two driving claws 410 of energy storage connecting lever 400, make that driving claw 410 can contact middle base 510 (spacing between the end of driving claw 410 and the main shaft 200 and the end of middle base and the spacing sum between the main shaft greater than the axis of the connecting pin of energy storage connecting lever and the spacing between the main shaft), make that energy storage connecting lever 400 can contact spring connecting lever 500, can make spring connecting lever 500 rotate, make spring 310 can compress spring with energy storage.
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 6, this two output toggle arm 700 can not be connected main shaft 200 with relatively rotating, and this can not relatively rotate and be meant that output toggle arm 700 rotations can drive main shaft 200 and rotate, and this connection for example is affixed, for example, for example be concavo-convex being connected for key connects.This two output toggle arm 700 is symmetrically arranged in about the energy storage connecting lever 400, and symmetry is positioned at about the coupling assembling.What this output toggle arm 700 had two symmetrically arranged outside protrusions is subjected to pawl 710, and this connecting pin 600 is subjected between the pawl 710 at two of output toggle arm 700, and connecting pin 600 passes output toggle arm 700 in the projection of main shaft 200.Thereby after making that spring 310 is crossed mid point, coupling assembling is under spring 310 elastic force rapid release effects, drive coupling assembling around main shaft 200 quick rotation, drive connecting pin 600 around the main shaft quick rotation, and hit contact on manual pawl 710, drive output toggle arm 700 and rotate, drive main shaft 200 quick rotation, control switch cut-offs.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (6)
1. electric spring mechanism during the symmetric arrangement bidirectional spring is crossed, be characterised in that: it comprises:
One main shaft;
Two output toggle arms, this two output toggle arm can not be connected main shaft with relatively rotating;
One energy-stored spring assembly, it has a stiff end and a free end, and other defines a median surface, this median surface vertical major axis, and the axis of this energy-stored spring assembly is positioned on the median surface;
One coupling assembling, it comprises that one can the contact output toggle arm makes it drive connecting pin about spring connecting lever that main shaft rotates and two symmetries are installed in the spring connecting lever, this connecting pin is articulated in the free end of energy-stored spring assembly, this spring connecting lever is the symmetrically arranged formula again of a relative median surface connecting lever, it comprises the brace about a middle base and two symmetries are positioned at middle base, the empty cover of this brace main shaft; And
The energy storage connecting lever that one can the contact middle base makes the spring connecting lever rotate relative to main shaft, its sky is enclosed within outside the main shaft, wherein, the relative median surface symmetric arrangement of this energy storage connecting lever, this two output toggle arm is symmetrically arranged in about the energy storage connecting lever, and two braces of this spring connecting lever are symmetrically arranged in about the energy storage connecting lever.
2. symmetric arrangement bidirectional spring according to claim 1 is crossed middle electric spring mechanism, and it is characterized in that: this coupling assembling is between two output toggle arms.
3. symmetric arrangement bidirectional spring according to claim 1 and 2 is crossed middle electric spring mechanism, it is characterized in that: this connecting pin parallel main axis, and pass output toggle arm in the projection of main shaft.
4. symmetric arrangement bidirectional spring according to claim 1 and 2 is crossed middle electric spring mechanism, and it is characterized in that: this output toggle arm has the pawl that is subjected to of two symmetrically arranged outside protrusions, and this connecting pin is subjected between the pawl at two of output toggle arm.
5. symmetric arrangement bidirectional spring according to claim 1 and 2 is crossed middle electric spring mechanism, and it is characterized in that: this energy storage connecting lever has the driving claw of two symmetrically arranged outside protrusions, and this middle seat is between two driving claws of energy storage connecting lever.
6. symmetric arrangement bidirectional spring according to claim 1 and 2 is crossed middle electric spring mechanism, it is characterized in that: the free end of this energy-stored spring assembly is provided with two spacers, all be provided with a pivot hole on this two spacer, two connecting pins are overlapped in the pivot hole of this two spacer pivot respectively, and this two spacers symmetry is positioned at about the spring connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920311348 CN201514868U (en) | 2009-09-24 | 2009-09-24 | Symmetrical arrangement double-acting spring over-centering electric spring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920311348 CN201514868U (en) | 2009-09-24 | 2009-09-24 | Symmetrical arrangement double-acting spring over-centering electric spring mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514868U true CN201514868U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920311348 Expired - Lifetime CN201514868U (en) | 2009-09-24 | 2009-09-24 | Symmetrical arrangement double-acting spring over-centering electric spring mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299812A (en) * | 2014-06-27 | 2015-01-21 | 国家电网公司 | Integrated connecting lever and spring operating mechanism using the same |
| CN106992082A (en) * | 2017-04-21 | 2017-07-28 | 河南森源电气股份有限公司 | A kind of breaker operation mechanism and its energy-stored spring mounting structure |
-
2009
- 2009-09-24 CN CN 200920311348 patent/CN201514868U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299812A (en) * | 2014-06-27 | 2015-01-21 | 国家电网公司 | Integrated connecting lever and spring operating mechanism using the same |
| CN104299812B (en) * | 2014-06-27 | 2016-11-09 | 国家电网公司 | Integrated connecting lever and the spring operating mechanism using this integrated connecting lever |
| CN106992082A (en) * | 2017-04-21 | 2017-07-28 | 河南森源电气股份有限公司 | A kind of breaker operation mechanism and its energy-stored spring mounting structure |
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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: 20100623 |
|
| CX01 | Expiry of patent term |