CN107026031A - instantaneous closing structure and switching device - Google Patents
instantaneous closing structure and switching device Download PDFInfo
- Publication number
- CN107026031A CN107026031A CN201710311434.7A CN201710311434A CN107026031A CN 107026031 A CN107026031 A CN 107026031A CN 201710311434 A CN201710311434 A CN 201710311434A CN 107026031 A CN107026031 A CN 107026031A
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- China
- Prior art keywords
- lever
- actuating mechanism
- closing structure
- instantaneous closing
- force mechanisms
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of instantaneous closing structure and switching device, the instantaneous closing structure includes lever, stores force mechanisms, actuating mechanism and position-limit mechanism, lever receives the driving of external force and moved, and includes the first lock position in its movement travel successively, starts position and the second lock position；Lever moves to startup position and driven from the first lock position stores force mechanisms storage power；During lever moves to the stroke of the second lock position from startup position, store force mechanisms and put power to drive actuating mechanism to move to default lock position；Position-limit mechanism is located in the movement travel of actuating mechanism, and when lever moves to startup position, position-limit mechanism is actuated to move to outside the movement travel of actuating mechanism.The instantaneous closing structure that the present invention is provided, by storing the storage power of force mechanisms and putting power, accelerates the movement velocity of actuating mechanism, so that the time of contact of movable contact laminating stationary contact is reduced, with the service life of lifting switch device.
Description
Technical field
The present invention relates to electrical equipment, and in particular to a kind of instantaneous closing structure and switching device.
Background technology
Switching device is the indispensable element of electric field, and it is almost applied in all break-make structures of electric field.It is existing
There is switching device in technology to include a movable contact and stationary contact, movable contact and stationary contact fit then circuit turn-on, on the contrary
Then disconnect.Open the light and a lever is provided with device, lever receives the driving of external force to rotate, so as to drive movable contact
Stationary contact is fitted or left to complete the opening and closing of circuit.
In the prior art, the motion process of movable contact and the motion process of lever be it is corresponding, and lever mostly by
Manpower is driven, and it was typically taken between 0.2-0.5 seconds, accordingly, and movable contact needs the same time to complete and stationary contact
The complete laminating of point, movable contact and stationary contact are the positions that scaling loss most easily occurs in switching device, both during make-break operation during contact
Between length be then to influence one of principal element of scaling loss, thus, switching device is disadvantageous in that in the prior art, long
The time-consuming probability for improving movable contact and stationary contact scaling loss of contact, reduce its service life.
The content of the invention
It is an object of the invention to provide a kind of instantaneous closing structure and switching device, with solve movable contact in the prior art and
Stationary contact time of contact long weak point.
To achieve these goals, the present invention provides following technical scheme：
A kind of instantaneous closing structure for switching device, including：
Lever, it receives the driving of external force and moved, and includes the first lock position, start bit in its movement travel successively
Put and the second lock position；
Force mechanisms are stored, the lever moves to the startup position from first lock position and drives the storage force mechanisms to store
Power；
Actuating mechanism, during the lever moves to the stroke of the second lock position from the startup position, the storage force mechanisms
Power is put to drive the actuating mechanism to move to default lock position；
Position-limit mechanism, it is located in the movement travel of the actuating mechanism, when the lever moves to the start bit
Put, the position-limit mechanism is actuated to move to outside the movement travel of the actuating mechanism.
Above-mentioned instantaneous closing structure, when the lever moves to the startup position, the position-limit mechanism is described
Lever, storage force mechanisms or the actuating mechanism drive to move to outside the movement travel of the actuating mechanism.
Driving is provided with above-mentioned instantaneous closing structure, the lever raised, when the lever moves to startup
At position, the driving projection extrudes the position-limit mechanism to move to outside the stroke of the actuating mechanism.
Above-mentioned instantaneous closing structure, the movement travel of the lever is rotational travel or linear reciprocation stroke.
Above-mentioned instantaneous closing structure, the actuating mechanism and the lever include tubular structure, the starter motor
It is placed in tubular structure at least part of structure in the tubular structure of the lever.
Above-mentioned instantaneous closing structure, the storage force mechanisms are the elasticity being set in the tubular structure of the lever
Part, the two ends of the elastic component are respectively limited by the storage force mechanisms and the actuating mechanism.
Above-mentioned instantaneous closing structure, the elastic component is spring, and a fix bar, two are respectively stretched out in the two ends of the spring
The fix bar is inserted in the connecting hole on the actuating mechanism and the lever respectively.
It is provided with spacing preiection on above-mentioned instantaneous closing structure, the actuating mechanism, the lever is from described first
Lock position is turned in the stroke for starting position, and the position-limit mechanism is located in the rotational travel of the spacing preiection.
Escape groove is provided with above-mentioned instantaneous closing structure, the outer wall of the tubular structure of the lever, it is described spacing
Projection is located in the escape groove.
A kind of switching device, including the movable contact and stationary contact being oppositely arranged, in addition to above-mentioned instantaneous closing structure, institute
State the driving that movable contact receives the actuating mechanism.
In the above-mentioned technical solutions, the instantaneous closing structure that the present invention is provided, the first half term of operation motion of handle is storage power machine
Structure stores power, and the second half of operation motion of handle stores force mechanisms and puts power suddenly to drive actuating mechanism so that actuating mechanism jerky motion
And drive movable contact to stick stationary contact, by storing the storage power of force mechanisms and putting power, accelerate the movement velocity of actuating mechanism, so as to subtract
The time of contact of few movable contact laminating stationary contact, with the service life of lifting switch device.
Because above-mentioned instantaneous closing structure has above-mentioned technique effect, the switching device comprising the instantaneous closing structure also should
With corresponding technique effect.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of instantaneous closing structure provided in an embodiment of the present invention；
Fig. 2 is the explosive view of instantaneous closing structure provided in an embodiment of the present invention；
Fig. 3 is one of structural representation of lever provided in an embodiment of the present invention；
Fig. 4 is the two of the structural representation of lever provided in an embodiment of the present invention；
Fig. 5 is the structural representation of actuating mechanism provided in an embodiment of the present invention；
Fig. 6 is the structural representation of position-limit mechanism provided in an embodiment of the present invention；
Fig. 7 is the structural representation provided in an embodiment of the present invention for storing force mechanisms.
Description of reference numerals：
1st, lever；1.1st, drive raised；1.2nd, escape groove；1.3rd, fixing groove；2nd, force mechanisms are stored；2.1st, fix bar；3、
Actuating mechanism；3.1st, spacing preiection；3.2nd, connecting portion；3.3rd, connecting hole；4th, position-limit mechanism；4.1st, fin；5th, drive link.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
As shown in figs. 1-7, a kind of instantaneous closing structure for switching device provided in an embodiment of the present invention, including operation
Handle 1, storage force mechanisms 2, actuating mechanism 3 and position-limit mechanism 4, lever 1 receive the driving of external force and moved, and it moves row
Include the first lock position in journey successively, start position and the second lock position；Lever 1 moves to startup position from the first lock position and driven
Store force mechanisms 2 and store power；During lever 1 moves to the stroke of the second lock position from startup position, store force mechanisms 2 and put power to drive startup
Mechanism 3 moves to default lock position；Position-limit mechanism 4 is located in the movement travel of actuating mechanism 3, when lever 1 moves to start bit
Put, position-limit mechanism 4 is actuated to move to outside the movement travel of actuating mechanism 3.
Specifically, instantaneous closing structure is that external force manipulation is received on switching device with the portion of the movable contact of driving switch device
Point, it includes lever 1, stored in force mechanisms 2, actuating mechanism 3 and position-limit mechanism 4, the present embodiment, the stroke point of lever 1
Other two stages, first stage, lever 1 moves to startup position from the first lock position, is connect in motion process with storing force mechanisms 2
Touch and to the latter's force to cause the latter to store power, due to being pressurized, store that force mechanisms 2 are also lasting applies to actuating mechanism 3
Pressure, but in the process, position-limit mechanism 4 is stuck in the movement travel of actuating mechanism 3, and actuating mechanism 3 can only be in spacing scope
Interior small motion is not moved；Second stage, lever 1 from start position move to the second lock position, now position-limit mechanism 4 by
In lever 1, store the driving of force mechanisms 2, actuating mechanism 3 or other structures and leave restriction site, position-limit mechanism 4 is due to lacking
The limitation of few position-limit mechanism 4, while being rapidly moved to storing in the presence of force mechanisms 2 store power up to default lock position.In the present embodiment,
First lock position can be closing position or disjunction lock position, and corresponding, the second lock position is disjunction lock position or closing position
Put, corresponding, default lock position is identical with the second lock position, and it is only the location expression to actuating mechanism 3.Above-mentioned moment closes up stroke
Fitting on stroke for switching mechanism movable contact and stationary contact is can be used to, the separation row of movable contact and stationary contact is can be used for
Journey, the run time of the two strokes is shorter, more the service life of energy lifting switch device.
In the present embodiment, the motion of lever 1 can be that rotation can also be linear motion, it is only necessary to ensure its first stage
Motion process can be persistently to storing power structure force, likewise, the motion of actuating mechanism 3 can be that to rotate can be straight
Line is moved.
In the present embodiment, actuating mechanism 3 directly can be connected with movable contact, or pass through a transmission mechanism such as drive link 5
It is connected with movable contact, the stroke that actuating mechanism 3 receives the driving of storage force mechanisms 2 is the combined floodgate or separating brake stroke of movable contact, is moved
The touch structure of contact is the necessary mechanism of field of switches, and it is found on arbitrary mechanical switch structure, is the public affairs of this area
Know general knowledge and conventional techniques, the present embodiment does not repeat each possible structure one by one.
On concrete structure, lever 1 directly receives the driving of external force, and it includes an agent structure, and it can be tubular, post
Shape or other structures, when the driving of its receiving operation hand, have in agent structure a plane driven for hand or
Curved surface, if receiving the axle in dynamic power machine driving, agent structure with an interface for transmission, such as a non-revolved body
Or hole, to receive to rotate driving, or a connecting portion 3.2 such as hole clipping for linear reciprocation driving, lever 1 is switching device
Common knowledge and conventional techniques, the present embodiment do not repeat its various possible structure one by one.It can be each to store force mechanisms 2
Class, which is squeezed or pullled, can store the structure of power, preferably elastic component, such as spring, and the motion of lever 1 (is rotated or past
Multiple motion) spring can be extruded or pull, storage power state, such as a torsion spring are made it into, two ends are respectively limited by lever 1 and startup
In mechanism 3, actuating mechanism 3 is motionless or fine motion, and the rotation of lever 1 will extrude torsion spring and be at pressure state.Start
Mechanism 3 receives to store the driving of force mechanisms 2, and it can be that rotating mechanism can also be linear reciprocating mechanism, it should be pointed out that
It is that the drive connection of the present embodiment is followed successively by lever 1, stores force mechanisms 2, actuating mechanism 3, and the forms of motion of actuating mechanism 3 (turns
Dynamic or linear motion) can be unrelated with the forms of motion of lever 1, detailed, lever 1 can be rotated with the one of compression spring
End, but the extension of the spring other end can drive actuating mechanism 3 to be moved along a straight line, and vice versa.For rotating, it can set
One central rotating shaft is rotated for actuating mechanism 3, while set a forced section such as through hole ammunition feed spring to press on actuating mechanism 3, spring
Uphold and drive actuating mechanism 3 to rotate, for linear motion, set a slide rail to be slided for actuating mechanism 3, while actuating mechanism
A forced section such as plane ammunition feed spring is set to press on 3, the extension of spring drives actuating mechanism 3 along slide rail linear slide,
The extension of spring drives corresponding mechanism to be rotated or moved along a straight line as one of common structure of mechanical field, and the present embodiment is not
Repeat various all kinds of mechanisms that may be present.Position-limit mechanism 4 is arranged in the movement travel of actuating mechanism 3, is moved in lever 1
First stage, actuating mechanism 3 can not move due to the limitation of position-limit mechanism 4, when lever 1 moves to startup position,
Position-limit mechanism 4 is got out of the way, and actuating mechanism 3 is moved, in structure choice, it is preferred that position-limit mechanism 4 receives other mechanisms such as operation
One projection is set in the driving of handle 1, such as lever 1, and when lever 1 turns to startup position, projection supports elder sister's position-limit mechanism 4 to push away
Open the latter so that actuating mechanism 3 is moved, as optional, position-limit mechanism 4 can also can be made a concession by after predetermined pressure
Mechanism, a such as shell fragment, its power for running into one 5 Ns can be deformed, and according to design, lever 1 is turned to from the first lock position
When starting position, the power for storing the storage of force mechanisms 2 is also 5 Ns, and now shell fragment can be oppressed deformation to get out of the way, and actuating mechanism 3 is transported
It is dynamic.
Instantaneous closing structure provided in an embodiment of the present invention, the first half term that lever 1 is moved stores power, behaviour to store force mechanisms 2
The second half storage force mechanisms 2 for making the motion of handle 1 put power to drive actuating mechanism 3 suddenly so that its drive of the jerky motion of actuating mechanism 3
Movable contact sticks stationary contact, by storing the storage power of force mechanisms 2 and putting power, accelerates the movement velocity of actuating mechanism 3, so as to reduce dynamic
The time of contact of contact laminating stationary contact, with the service life of lifting switch device.
In the present embodiment, it is preferred that actuating mechanism 3 and lever 1 include tubular structure, the tubular knot of actuating mechanism 3
It is placed in structure at least part in the tubular structure of lever 1, i.e., actuating mechanism 3 is whole or is set in lever 1 with its one end,
The arrangement that primary drive mechanism is completed in the less space of the profile of lever 1 is arranged so that, space is more saved.
Meanwhile, a torsion spring can be set between two tubular structures, or set in the inside of actuating mechanism 3 spring, torsion spring or
The two ends of spring are fixed respectively or are limited in lever 1 and actuating mechanism 3, such as opened up on actuating mechanism 3 and lever 1
A fix bar 2.1 is respectively stretched out at one connecting hole 3.3 or neck, the two ends of spring, and two fix bars 2.1 insert in connecting hole respectively
3.3 or neck in, in this way, lever 1 rotation can compression spring, cancel it is spacing after, the spring of compression can drive startup rapidly
Mechanism 3, is so set actuating mechanism 3, lever 1 and storage force mechanisms 2 in this profile of the tubular structure of lever 1,
Extremely save space.
In the present embodiment, further, as seen in figs. 5-6, spacing preiection 3.1, position-limit mechanism are provided with actuating mechanism 3
It is provided with 4 under a fin 4.1, general state, fin 4.1 fits to prevent in its rotational travel, together with spacing preiection 3.1
When lever 1 on be provided with driving projection 1.1, lever 1 turn to startup position before, driving projection 1.1 not with position-limit mechanism 4
Contact, lever 1 turn to startup position when, driving projection 1.1 contact and extrude position-limit mechanism 4 bring it about rotation so that
Obtain fin 4.1 and depart from spacing preiection 3.1, actuating mechanism 3 rotates in the case where storing the promotion of force mechanisms 2 immediately.
In the present embodiment, further, escape groove 1.2, limit convex are provided with the outer wall of the tubular structure of lever 1
Play 3.1 to be located in escape groove 1.2, consistent with the above, the setting drive disk assembly as much as possible in less space, so as to drop
The space that low overall structure is occupied.Further, the connecting portion 3.2 for being used to connect drive link 5 on actuating mechanism 3 also is located at keeping away
Allow in groove 1.2.
Key element if do not considered above-mentioned volume exclusion, lever 1 can move along a straight line with compression spring, the other end of spring
Actuating mechanism 3 can also be promoted to move along a straight line, while position-limit mechanism 4 is blocked on actuating mechanism 3, lever 1 sets a montant,
When lever 1 moves to startup position, montant pushes position-limit mechanism 4 open so that actuating mechanism 3 is moved.People in the art
Member is it will be appreciated that it is apparent that corresponding function can be achieved in other similar structures.
The embodiment of the present invention also provides a kind of switching device, including the movable contact and stationary contact being oppositely arranged, in addition to upper
The instantaneous closing structure stated, movable contact receives the driving of actuating mechanism 3.
Specifically, switching device can be all kinds of dependence external force drivings to carry out the switch of make and break, such as key switch, ship type
Switch, breaker etc..In the above-mentioned technical solutions, because above-mentioned instantaneous closing structure has above-mentioned technique effect, comprising this
The switching device of instantaneous closing structure should also have corresponding technique effect.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (10)
1. a kind of instantaneous closing structure for switching device, it is characterised in that including：
Lever, it receives the driving of external force and moved, in its movement travel successively include the first lock position, start position with
And second lock position；
Force mechanisms are stored, the lever moves to the startup position from first lock position and drives the storage force mechanisms to store power；
Actuating mechanism, during the lever moves to the stroke of the second lock position from the startup position, the storage force mechanisms put power
To drive the actuating mechanism to move to default lock position；
Position-limit mechanism, it is located in the movement travel of the actuating mechanism, when the lever moves to the startup position, institute
Position-limit mechanism is stated to be actuated to move to outside the movement travel of the actuating mechanism.
2. instantaneous closing structure according to claim 1, it is characterised in that when the lever moves to the start bit
Put, the position-limit mechanism is driven to move to the actuating mechanism by the lever, storage force mechanisms or the actuating mechanism
Outside movement travel.
3. instantaneous closing structure according to claim 2, it is characterised in that driving projection is provided with the lever,
When the lever is moved at startup position, the driving projection extrudes the position-limit mechanism to move to the actuating mechanism
Stroke outside.
4. instantaneous closing structure according to claim 1, it is characterised in that the movement travel of the lever is gone to rotate
Journey or linear reciprocation stroke.
5. instantaneous closing structure according to claim 1, it is characterised in that the actuating mechanism and the lever are wrapped
Include and be placed in tubular structure, tubular structure at least part of the actuating mechanism in the tubular structure of the lever.
6. instantaneous closing structure according to claim 5, it is characterised in that the storage force mechanisms are to be set in the operation
Elastic component in the tubular structure of handle, the two ends of the elastic component are respectively limited by the storage force mechanisms and the actuating mechanism
On.
7. instantaneous closing structure according to claim 7, it is characterised in that the elastic component is spring, the spring
A fix bar, the connecting hole that two fix bars are inserted on the actuating mechanism and the lever respectively are respectively stretched out in two ends
In.
8. instantaneous closing structure according to claim 6, it is characterised in that be provided with limit convex on the actuating mechanism
Rise, during the lever turns to the stroke for starting position from first lock position, the position-limit mechanism is located at the limit convex
In the rotational travel risen.
9. instantaneous closing structure according to claim 8, it is characterised in that on the outer wall of the tubular structure of the lever
Escape groove is provided with, the spacing preiection is located in the escape groove.
10. a kind of switching device, including the movable contact and stationary contact being oppositely arranged, it is characterised in that also including claim 1-9
Instantaneous closing structure described in any one, the movable contact receives the driving of the actuating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311434.7A CN107026031A (en) | 2017-05-05 | 2017-05-05 | instantaneous closing structure and switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311434.7A CN107026031A (en) | 2017-05-05 | 2017-05-05 | instantaneous closing structure and switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107026031A true CN107026031A (en) | 2017-08-08 |
Family
ID=59528739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311434.7A Pending CN107026031A (en) | 2017-05-05 | 2017-05-05 | instantaneous closing structure and switching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107026031A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326495A (en) * | 2018-11-16 | 2019-02-12 | 浙江天正电气股份有限公司 | It is a kind of can quick-make miniature circuit breaker |
| CN109346385A (en) * | 2018-11-16 | 2019-02-15 | 浙江天正电气股份有限公司 | A kind of handle mechanism of miniature circuit breaker |
| CN110289183A (en) * | 2019-07-02 | 2019-09-27 | 浙江永贵电器股份有限公司 | A kind of quick-release gear and switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109326495A (en) * | 2018-11-16 | 2019-02-12 | 浙江天正电气股份有限公司 | It is a kind of can quick-make miniature circuit breaker |
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| CN110289183A (en) * | 2019-07-02 | 2019-09-27 | 浙江永贵电器股份有限公司 | A kind of quick-release gear and switching device |
| CN110289183B (en) * | 2019-07-02 | 2024-02-27 | 浙江永贵电器股份有限公司 | Instantaneous separating mechanism and switching device |
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Application publication date: 20170808 |