CN102024585B - Spring operation mechanism - Google Patents
Spring operation mechanism Download PDFInfo
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- CN102024585B CN102024585B CN 201010579517 CN201010579517A CN102024585B CN 102024585 B CN102024585 B CN 102024585B CN 201010579517 CN201010579517 CN 201010579517 CN 201010579517 A CN201010579517 A CN 201010579517A CN 102024585 B CN102024585 B CN 102024585B
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- connecting rod
- spring
- frame
- cradling piece
- frame bar
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Abstract
The invention discloses a spring operation mechanism which is labor-saving, small in size and compact in structure. The spring operation mechanism comprises an installation frame as a rack, an energy storage spring, a returning spring, a moving contact spring, a cam and a parallel four-bar linkage, wherein the parallel four-bar linkage comprises a first rack rod, a second rack rod, a first connecting rod, a second connecting rod which can be used for forming a connecting-rod limit state with the first rack rod, a third connecting rod which can be used for forming a connecting-rod limit state with the second rack rod, and a support bracket; the lengths of the second connecting rod and the third connecting rod are equal, and the second connecting rod and the third connecting rod are arranged in parallel to each other; one end of the second connecting rod, one end of the first rack rod and one end of the first connecting rod are all hinged to a first point; and one end of the third connecting rod, one end of the second rack rod and one end of the first connecting rod are all hinged to a second point, and the other end of the second connecting rod and the other end of the third connecting rod are hinged with the support bracket.
Description
Technical field
The present invention relates to electrical equipment technical field, specifically is a kind of spring operating mechanism.
Background technology
Granted publication number discloses a kind of spring operating mechanism for the utility patent of CN201041775Y, it installs drive system between framework, drive system is by cam, roller and one-level four connecting rods are formed by connecting with pivot pin, the core of this design is, by the optimization to each part dimension parameter designing, only adopt one-level four connecting rods to realize the function of spring operating mechanism, although described spring operating mechanism is simple in structure, but its structure itself is there are no effort-saving mechanism, the main energy-storaging spring that relies on, and cam, each power arm in one-level four connecting rods drives moving contact, that is to say, said structure is by increasing the elastic stiffness of energy-storaging spring, and lengthening cam, each power arm in one-level four connecting rods guarantees the designing requirement of switch, and the elastic stiffness of energy-storaging spring increases, and cam, the lengthening of each power arm in one-level four connecting rods, the active force that has determined to be used for to drive the energy-storaging spring accumulation of energy requires larger, and energy-storaging spring, cam, one-level four connecting rods, the size of other related components (such as the framework as installation frame) all requires or makes the employed material of above-mentioned part to have higher requirement large.So above-mentioned spring operating mechanism size is bigger than normal, structure is not compact.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of laborsaving, size is little, the spring operating mechanism of compact conformation.
Technical scheme of the present invention is, spring operating mechanism of the present invention, it comprises installation frame, energy-storaging spring, back-moving spring, moving contact spring, cam and parallel four connecting rods as frame, parallel four connecting rods comprise the first frame bar, the second frame bar and first connecting rod, roller is installed on the first connecting rod, this roller and cam offset or away from, it also comprise can be used for the first frame bar form the extreme positions of coupler state second connecting rod, can be used for forming with the second frame bar third connecting rod, the bracing frame of extreme positions of coupler state; Second connecting rod and third connecting rod equal in length and be parallel to each other; One end of one end of second connecting rod, the first frame bar and an end of first connecting rod all are articulated on first, one end of one end of third connecting rod, the second frame bar, the other end of first connecting rod all are articulated on the second point, and the other end of second connecting rod and third connecting rod is all hinged with bracing frame; One end of back-moving spring and moving contact spring all offsets with bracing frame, and the other end and the installation frame of back-moving spring offset, and the other end and the moving contact of moving contact spring offset.
After adopting said structure, the present invention compared with prior art has the following advantages: because it also comprise can be used for the first frame bar form the extreme positions of coupler state second connecting rod, can be used for forming with the second frame bar third connecting rod, the bracing frame of extreme positions of coupler state; Second connecting rod and third connecting rod equal in length and be parallel to each other; One end of one end of second connecting rod, the first frame bar and an end of first connecting rod all are articulated on first, one end of one end of third connecting rod, the second frame bar, the other end of first connecting rod all are articulated on the second point, and the other end of second connecting rod and third connecting rod is all hinged with bracing frame; One end of back-moving spring and moving contact spring all offsets with bracing frame, the other end and the installation frame of back-moving spring offset, the other end and the moving contact of moving contact spring offset, like this, utilize the characteristics of extreme positions of coupler, namely near utmost point position, because the speed of driven member is close to zero, so can obtain very large reinforcement effect, the second connecting rod that driven member just refers to and third connecting rod, the driving link corresponding with second connecting rod and third connecting rod is the first frame bar and the second frame bar, so the present invention during near utmost point position state, can enough less power drive second connecting rod and third connecting rod motion at second connecting rod and third connecting rod, simultaneously second connecting rod and third connecting rod put on the power of bracing frame but can be very large, be enough to satisfy the designing requirement of switch, this rigidity that has directly determined energy-storaging spring can be less, and size is corresponding to be reduced; From above-mentioned analysis as seen, the present invention mainly be can with the energy-storaging spring size Control better, add the optimum organization to other each parts, that the present invention just has is laborsaving, size is little, the advantage of compact conformation.
As improvement, installation frame is provided with for the first through hole of restriction the first bearing pin range of movement and the second through hole of the second bearing pin range of movement, the position-limiting action of the first through hole, the second through hole can be adjusted second connecting rod and third connecting rod range of movement, guarantee that second connecting rod and third connecting rod approach or arrive utmost point position as far as possible when motion, and can not cross utmost point position, thereby guarantee the kinetic stability of second connecting rod and third connecting rod, more be conducive to the raising of performance of the present invention.
As further improvement, it also comprises the 3rd cradling piece, one end of the 3rd cradling piece and the other end of second connecting rod are articulated in same point at bracing frame, the other end and the installation frame of the 3rd cradling piece are hinged, like this, can make the motion stabilization of bracing frame, more be conducive to the raising of enforcement of the present invention and performance.
As further improvement, it also comprises the 4th cradling piece and the 5th cradling piece, and the 4th cradling piece and the first frame bar are symmetrical about first connecting rod, and the 5th cradling piece and the second frame bar are symmetrical about first connecting rod; The 4th cradling piece, the 5th cradling piece, the first frame bar, second this equal in length of frame bar and be parallel to each other; One end of the 4th cradling piece is articulated on first, and the other end of the 4th cradling piece is articulated on the installation frame; One end of the 5th cradling piece is articulated on the second point, and the other end of the 5th cradling piece is articulated on the installation frame, is symmetrical arranged based on above-mentioned, can make whole mechanism kinematic more reliable and more stable.
Description of drawings
Fig. 1 is the three-dimensional view of spring operating mechanism of the present invention.
Fig. 2 is the front view of spring operating mechanism of the present invention.
Fig. 3 is the vertical view of spring operating mechanism of the present invention.
Fig. 4 is the A-A cutaway view of spring operating mechanism of the present invention.
Fig. 5 is the schematic diagram of mechanism of spring operating mechanism of the present invention.
Shown in the figure, 1, installation frame, 2, energy-storaging spring, 3, back-moving spring, 4, moving contact spring, 5, cam, the 6, first frame bar, the 7, second frame bar, 8, first connecting rod, 9, roller, 10, second connecting rod, 11, third connecting rod, 12, bracing frame, the 13, first point, 14, second point, 15, the moving contact connecting rod, the 16, first through hole, 17, the second through hole, the 18, the 3rd cradling piece, the 19, the 5th cradling piece.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Spring operating mechanism of the present invention, it comprises the installation frame 1 as frame, energy-storaging spring 2, back-moving spring 3, moving contact spring 4, cam 5 and parallel four connecting rods, parallel four connecting rods comprise the first frame bar 6, the second frame bar 7 and first connecting rod 8, roller 9 is installed on the first connecting rod 8, this roller 9 offset with cam 5 or away from, it also comprises the second connecting rod 10 that can be used for forming with the first frame bar 6 the extreme positions of coupler state, can be used for forming with the second frame bar 7 third connecting rod 11 of extreme positions of coupler state, bracing frame 12 by second connecting rod 10 and third connecting rod 11 drivings; Second connecting rod 10 and third connecting rod 11 equal in length and be parallel to each other; One end of one end of second connecting rod 10, the first frame bar 6 and an end of first connecting rod 8 all are articulated on 1: 13, one end of one end of third connecting rod 11, the second frame bar 7, the other end of first connecting rod 8 all are articulated on the second point 14, and the other end of second connecting rod 10 and third connecting rod 11 is all hinged with bracing frame 12; One end of back-moving spring 3 and moving contact spring 4 all offsets with bracing frame 12, the other end of back-moving spring 3 and installation frame 1 offset, the other end and the moving contact of moving contact spring 4 offset, and in this example, the other end of moving contact spring 4 offsets with the moving contact connecting rod 15 that is used for being connected moving contact.Said structure is shown in Fig. 1 or 2 or 3 or 4 or 5.
Described 1: 13 is the first bearing pin, and second point 14 is the second bearing pin.
Installation frame 1 is provided with for the first through hole 16 of restriction the first bearing pin range of movement and the second through hole 17 of the second bearing pin range of movement, and in this example, the first through hole 16 and the second through hole 17 are two.
It comprises that also an end of the 3rd cradling piece 18, the three cradling pieces 18 and the other end of second connecting rod 10 are articulated in same point at bracing frame 12, and the other end of the 3rd cradling piece 18 and installation frame 1 are hinged.
It comprises that also the 4th cradling piece and the 5th cradling piece 19, the four cradling pieces and the first frame bar 6 are symmetrical about first connecting rod 8, and the 5th cradling piece 19 and the second frame bar 7 are symmetrical about first connecting rod 8; The 4th cradling piece, the 5th cradling piece 19, the first frame bar 6, the second frame bar 7 these equal in length and be parallel to each other; One end of the 4th cradling piece is articulated on 1: 13, and the other end of the 4th cradling piece is articulated on the installation frame 1; One end of the 5th cradling piece 19 is articulated on the second point 14, and the other end of the 5th cradling piece 19 is articulated on the installation frame 1.Because the 4th cradling piece is blocked, so do not mark in the drawings.
Described back-moving spring 3 is two, lays respectively at the two ends of the length direction of bracing frame 12.
Described moving contact spring 4 is three, and three moving contact springs 4 evenly distribute between two back-moving springs 3 and along the length direction of bracing frame 12.
As shown in Figure 5, at this moment, cam 5 is just driven by energy-storaging spring 2, cam 5 heads on roller 9 and drives first connecting rod 8 to left movement simultaneously, first connecting rod 8 drivings 1: 13 and second point 14 are to left movement, 1: 13 and second point 14 drive the first frame bar 6 and second connecting rods 10, the second frame bar 7 and third connecting rod 11 swing, do not draw third connecting rod 11 among Fig. 5, the first frame bar 6 and second connecting rod 10 swing simultaneously and make both move closer to utmost point position, the second frame bar 7 and third connecting rod 11 are with the motion of the first frame bar 6 and second connecting rod 10, described extreme positions of coupler state refers to driving link (the first frame bar 6 or the second frame bar 7) and driven member (second connecting rod 10 or third connecting rod 11) conllinear state, and described conllinear state refers to that driving link and driven member are mutually overlapping on moving contact connecting rod 15 directions of motion or be positioned at simultaneously on moving contact connecting rod 15 directions of motion but mutually not overlapping.
Such as Fig. 5, in this example, hinged two pin joints, the first frame bar 6 and the second frame bar 7 of the other end of second connecting rod 10 and third connecting rod 11 and bracing frame 12 and installation frame 1 two hinged pin joints all are positioned at 1: 13 and a side of second point 14, this side group direction in Fig. 5 refers to 1: 13 and the below of second point 14, in this case, described conllinear state refers to that driving link and driven member are mutually overlapping on moving contact connecting rod 15 directions of motion, based on direction among Fig. 5, moving contact connecting rod 15 directions of motion are vertical direction; 1: 13 and second point 14 also can be between two hinged pin joints of hinged two pin joints of the other end of second connecting rod 10 and third connecting rod 11 and bracing frame 12 and the first frame bar 6 and the second frame bar 7 and installation frame 1, in this case, described conllinear state refers to that driving link and driven member are positioned on moving contact connecting rod 15 directions of motion but is mutually not overlapping, namely is positioned at simultaneously vertical direction but mutually not overlapping.
Because the swing effect of the 3rd cradling piece 18, bracing frame 12 has the displacement of horizontal direction, but when working owing to the present invention, the amplitude of fluctuation of the 3rd cradling piece 18 is little, and bracing frame 12 is not restrained in the horizontal direction, so it is also very little that bracing frame 12 has the displacement of horizontal direction, the motion of bracing frame 12 vertical directions is not exerted an influence.The present invention can not need the 3rd cradling piece 18, but in order to make long-term work of the present invention reliable and stable, can be when the 3rd cradling piece 18 be set, and for bracing frame 12 arranges the guide rail of moving contact connecting rod 15 directions of motion, the guide rail of this routine middle finger vertical direction.
Be used for driving the same prior art of Drive Structure of energy-storaging spring 2 accumulation of energys and release, do not add and give unnecessary details.
Claims (7)
1. spring operating mechanism, it comprises installation frame, energy-storaging spring, back-moving spring, moving contact spring, cam and parallel four connecting rods as frame, parallel four connecting rods comprise the first frame bar, the second frame bar and first connecting rod, roller is installed on the first connecting rod, this roller and cam offset or away from, it is characterized in that, it also comprise can be used for the first frame bar form the extreme positions of coupler state second connecting rod, bracing frame, can be used for forming with the second frame bar the third connecting rod of extreme positions of coupler state; Second connecting rod and third connecting rod equal in length and be parallel to each other; One end of one end of second connecting rod, the first frame bar and an end of first connecting rod all are articulated on first, one end of one end of third connecting rod, the second frame bar, the other end of first connecting rod all are articulated on the second point, and the other end of second connecting rod and third connecting rod is all hinged with bracing frame; One end of back-moving spring and moving contact spring all offsets with bracing frame, and the other end and the installation frame of back-moving spring offset, and the other end and the moving contact of moving contact spring offset; Described extreme positions of coupler state refers to driving link and driven member conllinear state, described conllinear state refers to that driving link and driven member are mutually overlapping on the moving contact connecting rod direction of motion or be positioned at simultaneously on the moving contact connecting rod direction of motion but mutually not overlapping, i.e. the first frame bar and second connecting rod conllinear state, the second frame bar and third connecting rod conllinear state.
2. a kind of spring operating mechanism according to claim 1 is characterized in that, described first is the first bearing pin, and second point is the second bearing pin.
3. a kind of spring operating mechanism according to claim 2 is characterized in that, installation frame is provided with for the first through hole of restriction the first bearing pin range of movement and the second through hole of the second bearing pin range of movement.
4. a kind of spring operating mechanism according to claim 1 is characterized in that, it also comprises the 3rd cradling piece, and an end of the 3rd cradling piece and the other end of second connecting rod are articulated in same point at bracing frame, and the other end and the installation frame of the 3rd cradling piece are hinged.
5. a kind of spring operating mechanism according to claim 1, it is characterized in that, it also comprises the 4th cradling piece and the 5th cradling piece, and the 4th cradling piece and the first frame bar are symmetrical about first connecting rod, and the 5th cradling piece and the second frame bar are symmetrical about first connecting rod; The 4th cradling piece, the 5th cradling piece, the first frame bar, second this equal in length of frame bar and be parallel to each other; One end of the 4th cradling piece is articulated on first, and the other end of the 4th cradling piece is articulated on the installation frame; One end of the 5th cradling piece is articulated on the second point, and the other end of the 5th cradling piece is articulated on the installation frame.
6. a kind of spring operating mechanism according to claim 1 is characterized in that, described back-moving spring is two, lays respectively at the two ends of the length direction of bracing frame.
7. a kind of spring operating mechanism according to claim 6 is characterized in that, described moving contact spring is three, and three moving contact springs evenly distribute between two back-moving springs and along the length direction of bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010579517 CN102024585B (en) | 2010-11-30 | 2010-11-30 | Spring operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010579517 CN102024585B (en) | 2010-11-30 | 2010-11-30 | Spring operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102024585A CN102024585A (en) | 2011-04-20 |
| CN102024585B true CN102024585B (en) | 2013-05-29 |
Family
ID=43865767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010579517 Expired - Fee Related CN102024585B (en) | 2010-11-30 | 2010-11-30 | Spring operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102024585B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE212012000282U1 (en) * | 2012-07-30 | 2015-04-08 | Sunrise Group Co., Ltd | Outdoor vacuum circuit breaker |
| CN102789913B (en) * | 2012-07-30 | 2014-07-09 | 日升集团有限公司 | Spring operation mechanism |
| CN102800522B (en) * | 2012-07-30 | 2015-01-21 | 日升集团有限公司 | Outdoor vacuum circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4286242A (en) * | 1979-09-17 | 1981-08-25 | Westinghouse Electric Corp. | Mechanical interlock for low voltage circuit breakers |
| CN200959306Y (en) * | 2006-10-26 | 2007-10-10 | 上海广电电气（集团）有限公司 | Spring operating mechanism |
| CN101086931A (en) * | 2006-06-09 | 2007-12-12 | 杨士玉 | Face contact sliding four-pole drive disk spring energy storage operation machine |
| CN201886920U (en) * | 2010-11-30 | 2011-06-29 | 日升集团有限公司 | Spring operating mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3567054B2 (en) * | 1996-10-21 | 2004-09-15 | 株式会社東芝 | Operation mechanism of vacuum circuit breaker |
-
2010
- 2010-11-30 CN CN 201010579517 patent/CN102024585B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4286242A (en) * | 1979-09-17 | 1981-08-25 | Westinghouse Electric Corp. | Mechanical interlock for low voltage circuit breakers |
| CN101086931A (en) * | 2006-06-09 | 2007-12-12 | 杨士玉 | Face contact sliding four-pole drive disk spring energy storage operation machine |
| CN200959306Y (en) * | 2006-10-26 | 2007-10-10 | 上海广电电气（集团）有限公司 | Spring operating mechanism |
| CN201886920U (en) * | 2010-11-30 | 2011-06-29 | 日升集团有限公司 | Spring operating mechanism |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-125185A 1998.05.15 |
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| Publication number | Publication date |
|---|---|
| CN102024585A (en) | 2011-04-20 |
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Granted publication date: 20130529 Termination date: 20191130 |